mirror of
https://github.com/torvalds/linux.git
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b29be0ca8e
1235293 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
5ef3720d91 |
powerpc fixes for 6.7 #5
- Fix a bug where heavy VAS (accelerator) usage could race with partition
migration and prevent the migration from completing.
- Update MAINTAINERS to add Aneesh & Naveen.
Thanks to: Haren Myneni
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Merge tag 'powerpc-6.7-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix a bug where heavy VAS (accelerator) usage could race with
partition migration and prevent the migration from completing.
- Update MAINTAINERS to add Aneesh & Naveen.
Thanks to Haren Myneni.
* tag 'powerpc-6.7-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
MAINTAINERS: powerpc: Add Aneesh & Naveen
powerpc/pseries/vas: Migration suspend waits for no in-progress open windows
|
||
Amir Goldstein
|
413ba91089 |
ovl: fix dentry reference leak after changes to underlying layers
syzbot excercised the forbidden practice of moving the workdir under
lowerdir while overlayfs is mounted and tripped a dentry reference leak.
Fixes:
|
||
|
Linus Torvalds
|
dde0672bfa |
A handful of clk fixes, mostly in the rockchip clk driver
- Fix a clk name, clk parent, and a register for a clk gate in the
Rockchip rk3128 clk driver
- Add a PLL frequency on Rockchip rk3568 to fix some display artifacts
- Fix a kbuild dependency for Qualcomm's SM_CAMCC_8550 symbol so that
it isn't possible to select the associated GCC driver
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A handful of clk fixes, mostly in the rockchip clk driver:
- Fix a clk name, clk parent, and a register for a clk gate in the
Rockchip rk3128 clk driver
- Add a PLL frequency on Rockchip rk3568 to fix some display
artifacts
- Fix a kbuild dependency for Qualcomm's SM_CAMCC_8550 symbol so that
it isn't possible to select the associated GCC driver"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: rockchip: rk3128: Fix SCLK_SDMMC's clock name
clk: rockchip: rk3128: Fix aclk_peri_src's parent
clk: qcom: Fix SM_CAMCC_8550 dependencies
clk: rockchip: rk3128: Fix HCLK_OTG gate register
clk: rockchip: rk3568: Add PLL rate for 292.5MHz
|
||
|
Linus Torvalds
|
3b8a9b2e68 |
Tracing fixes for v6.7-rc5:
- Fix eventfs to check creating new files for events with names greater than NAME_MAX. The eventfs lookup needs to check the return result of simple_lookup(). - Fix the ring buffer to check the proper max data size. Events must be able to fit on the ring buffer sub-buffer, if it cannot, then it fails to be written and the logic to add the event is avoided. The code to check if an event can fit failed to add the possible absolute timestamp which may make the event not be able to fit. This causes the ring buffer to go into an infinite loop trying to find a sub-buffer that would fit the event. Luckily, there's a check that will bail out if it looped over a 1000 times and it also warns. The real fix is not to add the absolute timestamp to an event that is starting at the beginning of a sub-buffer because it uses the sub-buffer timestamp. By avoiding the timestamp at the start of the sub-buffer allows events that pass the first check to always find a sub-buffer that it can fit on. - Have large events that do not fit on a trace_seq to print "LINE TOO BIG" like it does for the trace_pipe instead of what it does now which is to silently drop the output. - Fix a memory leak of forgetting to free the spare page that is saved by a trace instance. - Update the size of the snapshot buffer when the main buffer is updated if the snapshot buffer is allocated. - Fix ring buffer timestamp logic by removing all the places that tried to put the before_stamp back to the write stamp so that the next event doesn't add an absolute timestamp. But each of these updates added a race where by making the two timestamp equal, it was validating the write_stamp so that it can be incorrectly used for calculating the delta of an event. - There's a temp buffer used for printing the event that was using the event data size for allocation when it needed to use the size of the entire event (meta-data and payload data) - For hardening, use "%.*s" for printing the trace_marker output, to limit the amount that is printed by the size of the event. This was discovered by development that added a bug that truncated the '\0' and caused a crash. - Fix a use-after-free bug in the use of the histogram files when an instance is being removed. - Remove a useless update in the rb_try_to_discard of the write_stamp. The before_stamp was already changed to force the next event to add an absolute timestamp that the write_stamp is not used. But the write_stamp is modified again using an unneeded 64-bit cmpxchg. - Fix several races in the 32-bit implementation of the rb_time_cmpxchg() that does a 64-bit cmpxchg. - While looking at fixing the 64-bit cmpxchg, I noticed that because the ring buffer uses normal cmpxchg, and this can be done in NMI context, there's some architectures that do not have a working cmpxchg in NMI context. For these architectures, fail recording events that happen in NMI context. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCZX0nChQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qlOMAQD3iegTcceQl9lAsroa3tb3xdweC1GP 51MsX5athxSyoQEAutI/2pBCtLFXgTLMHAMd5F23EM1U9rha7W0myrnvKQY= =d3bS -----END PGP SIGNATURE----- Merge tag 'trace-v6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull tracing fixes from Steven Rostedt: - Fix eventfs to check creating new files for events with names greater than NAME_MAX. The eventfs lookup needs to check the return result of simple_lookup(). - Fix the ring buffer to check the proper max data size. Events must be able to fit on the ring buffer sub-buffer, if it cannot, then it fails to be written and the logic to add the event is avoided. The code to check if an event can fit failed to add the possible absolute timestamp which may make the event not be able to fit. This causes the ring buffer to go into an infinite loop trying to find a sub-buffer that would fit the event. Luckily, there's a check that will bail out if it looped over a 1000 times and it also warns. The real fix is not to add the absolute timestamp to an event that is starting at the beginning of a sub-buffer because it uses the sub-buffer timestamp. By avoiding the timestamp at the start of the sub-buffer allows events that pass the first check to always find a sub-buffer that it can fit on. - Have large events that do not fit on a trace_seq to print "LINE TOO BIG" like it does for the trace_pipe instead of what it does now which is to silently drop the output. - Fix a memory leak of forgetting to free the spare page that is saved by a trace instance. - Update the size of the snapshot buffer when the main buffer is updated if the snapshot buffer is allocated. - Fix ring buffer timestamp logic by removing all the places that tried to put the before_stamp back to the write stamp so that the next event doesn't add an absolute timestamp. But each of these updates added a race where by making the two timestamp equal, it was validating the write_stamp so that it can be incorrectly used for calculating the delta of an event. - There's a temp buffer used for printing the event that was using the event data size for allocation when it needed to use the size of the entire event (meta-data and payload data) - For hardening, use "%.*s" for printing the trace_marker output, to limit the amount that is printed by the size of the event. This was discovered by development that added a bug that truncated the '\0' and caused a crash. - Fix a use-after-free bug in the use of the histogram files when an instance is being removed. - Remove a useless update in the rb_try_to_discard of the write_stamp. The before_stamp was already changed to force the next event to add an absolute timestamp that the write_stamp is not used. But the write_stamp is modified again using an unneeded 64-bit cmpxchg. - Fix several races in the 32-bit implementation of the rb_time_cmpxchg() that does a 64-bit cmpxchg. - While looking at fixing the 64-bit cmpxchg, I noticed that because the ring buffer uses normal cmpxchg, and this can be done in NMI context, there's some architectures that do not have a working cmpxchg in NMI context. For these architectures, fail recording events that happen in NMI context. * tag 'trace-v6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: ring-buffer: Do not record in NMI if the arch does not support cmpxchg in NMI ring-buffer: Have rb_time_cmpxchg() set the msb counter too ring-buffer: Fix 32-bit rb_time_read() race with rb_time_cmpxchg() ring-buffer: Fix a race in rb_time_cmpxchg() for 32 bit archs ring-buffer: Remove useless update to write_stamp in rb_try_to_discard() ring-buffer: Do not try to put back write_stamp tracing: Fix uaf issue when open the hist or hist_debug file tracing: Add size check when printing trace_marker output ring-buffer: Have saved event hold the entire event ring-buffer: Do not update before stamp when switching sub-buffers tracing: Update snapshot buffer on resize if it is allocated ring-buffer: Fix memory leak of free page eventfs: Fix events beyond NAME_MAX blocking tasks tracing: Have large events show up as '[LINE TOO BIG]' instead of nothing ring-buffer: Fix writing to the buffer with max_data_size |
||
|
Linus Torvalds
|
c8e97fc6b4 |
arm64 fixes:
- Arm CMN perf: fix the DTC allocation failure path which can end up erroneously clearing live counters - arm64/mm: fix hugetlb handling of the dirty page state leading to a continuous fault loop in user on hardware without dirty bit management (DBM). That's caused by the dirty+writeable information not being properly preserved across a series of mprotect(PROT_NONE), mprotect(PROT_READ|PROT_WRITE) -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE5RElWfyWxS+3PLO2a9axLQDIXvEFAmV85TIACgkQa9axLQDI XvFx/A/+P0PPVvIWr1VEggXeGhalhrXnn5H3TKm3F7Vz8+VH4X/z5gTdAj1FtwTu MIyjGFl3dQWEq5g4qscBNPqy045AGpRBJKmOw1V6mANuyRcg+06d9qCsosb7/pcs sMLsS34cmWPIQemd3AAyV20DeQPkYQEVEPdZ4QM0cvhCNCYspWmuqc8lEqldl25G 5AnwFPrWza5a/4bKZgVOlyXrZtUxX3uwN1/7IbMrJ6ncpsRn1QMjqRfSlrYlTbcw O0IAnLFqtXqvO7nVaBw5Jq2EYrj0oOC25Pg8fCmaLsFM2yMky4186slULHg3c63Z zGyMPOLWdFGa/Vj6yliB8xPrrJGgTfRbFk9LYa4BvJcU3nXxcMI/LXJzM7TZYMFr j1vkH4cLyf76r12xzT/UYooE+A8gMJNuns+G0RqGuPYZ7fA2ut77H1IpDxBiCCEM tB2ys8lV/GtkGqNseGNX75hNPgsykPsCi7HTnXjMFK84iP/6CFUE2V0haOV1cUDw 8r1nGe5wVJ/Yc/6/62mzCQjEluhdAn0gK1b/QQyOt0QN6maPXjIF4CILbuLwdRQh RDYNeRK+dlqLGmBwxM99zVrb3NnPH6oTm0Vq3VK+9mTQeGXNzmWfFQk8odTKiIEA oksWFX91exOXhcrqkB1GCRaLjrQWeuA2eq5RrPpmDmUsPyhoeCM= =wq2L -----END PGP SIGNATURE----- Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Catalin Marinas: - Arm CMN perf: fix the DTC allocation failure path which can end up erroneously clearing live counters - arm64/mm: fix hugetlb handling of the dirty page state leading to a continuous fault loop in user on hardware without dirty bit management (DBM). That's caused by the dirty+writeable information not being properly preserved across a series of mprotect(PROT_NONE), mprotect(PROT_READ|PROT_WRITE) * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: mm: Always make sw-dirty PTEs hw-dirty in pte_modify perf/arm-cmn: Fail DTC counter allocation correctly |
||
|
Linus Torvalds
|
2e3f280b24 |
pci-v6.7-fixes-1
-----BEGIN PGP SIGNATURE----- iQJIBAABCgAyFiEEgMe7l+5h9hnxdsnuWYigwDrT+vwFAmV8vZwUHGJoZWxnYWFz QGdvb2dsZS5jb20ACgkQWYigwDrT+vwQARAApzU4pesi9dkl/Fyv11IwayNm+gra 8dTsdT6dcnTq8DKXdTRtuyMwY+H57YC/Cxl0/Y6KPnJqUmgXEiOfe1duPvy5HJB2 YQGPszDC/yrbU/s65cWwuw+wLHk3PeoR/RNfo0PBNRb+FIoE2tV6mgAw0CR2xyhV MTDMMvdJBAQoNytmkw5ZYgdr3zUPgb80VgjBa453xGxMHlnpqhRIKNw5jXBOWCpY 1TkrDAtKzziCXVx9oqLDA46AgdVo48w+vPrC3wa/8kxv4/N0BplhiUrtAdXMrsIH wR3uX3ypfdjEWf+iX3dgGbvwoSZirlZdu9BaSTZqM/WAHdync/Hit/mF6rYpOQfJ 9WpALQkx11EvYpltZOO4JahaWueGxEK73/P43Cb9Pgj5zNiMagGwVc+1iEXMC0k8 MML/MZrQQaNcJOQL+V3rXr7pcRqV8X6H5/0K/e8M53D5U3ZkcjBc2QcqOd3/4ugf 7sa9JfXOFcBJvwUt3HQNHEyj+leJDJ09kRXSx8szfRrCGVTkNtZ9DxKePHzCk+kC kU4y+5E9iIsGwdGknnO53LbilgGtutJx+JpBPz0guXb53RIGQGcHfWVPHzB9fmJk Ty4d+zsP2OmKgMDX2FdVv4xVNYDsdOGG7PQu++pm0fBmIvBixRcQyfXrLdTMvjwX 6AOhXOppox58COs= =4BWR -----END PGP SIGNATURE----- Merge tag 'pci-v6.7-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci Pull pci fixes from Bjorn Helgaas: - Limit Max_Read_Request_Size (MRRS) on some MIPS Loongson systems because they don't all support MRRS > 256, and firmware doesn't always initialize it correctly, which meant some PCIe devices didn't work (Jiaxun Yang) - Add and use pci_enable_link_state_locked() to prevent potential deadlocks in vmd and qcom drivers (Johan Hovold) - Revert recent (v6.5) acpiphp resource assignment changes that fixed issues with hot-adding devices on a root bus or with large BARs, but introduced new issues with GPU initialization and hot-adding SCSI disks in QEMU VMs and (Bjorn Helgaas) * tag 'pci-v6.7-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: Revert "PCI: acpiphp: Reassign resources on bridge if necessary" PCI/ASPM: Add pci_disable_link_state_locked() lockdep assert PCI/ASPM: Clean up __pci_disable_link_state() 'sem' parameter PCI: qcom: Clean up ASPM comment PCI: qcom: Fix potential deadlock when enabling ASPM PCI: vmd: Fix potential deadlock when enabling ASPM PCI/ASPM: Add pci_enable_link_state_locked() PCI: loongson: Limit MRRS to 256 |
||
Daniel Golle
|
b1dfc0f762 |
net: phy: skip LED triggers on PHYs on SFP modules
Calling led_trigger_register() when attaching a PHY located on an SFP
module potentially (and practically) leads into a deadlock.
Fix this by not calling led_trigger_register() for PHYs localted on SFP
modules as such modules actually never got any LEDs.
======================================================
WARNING: possible circular locking dependency detected
6.7.0-rc4-next-20231208+ #0 Tainted: G O
------------------------------------------------------
kworker/u8:2/43 is trying to acquire lock:
ffffffc08108c4e8 (triggers_list_lock){++++}-{3:3}, at: led_trigger_register+0x4c/0x1a8
but task is already holding lock:
ffffff80c5c6f318 (&sfp->sm_mutex){+.+.}-{3:3}, at: cleanup_module+0x2ba8/0x3120 [sfp]
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #3 (&sfp->sm_mutex){+.+.}-{3:3}:
__mutex_lock+0x88/0x7a0
mutex_lock_nested+0x20/0x28
cleanup_module+0x2ae0/0x3120 [sfp]
sfp_register_bus+0x5c/0x9c
sfp_register_socket+0x48/0xd4
cleanup_module+0x271c/0x3120 [sfp]
platform_probe+0x64/0xb8
really_probe+0x17c/0x3c0
__driver_probe_device+0x78/0x164
driver_probe_device+0x3c/0xd4
__driver_attach+0xec/0x1f0
bus_for_each_dev+0x60/0xa0
driver_attach+0x20/0x28
bus_add_driver+0x108/0x208
driver_register+0x5c/0x118
__platform_driver_register+0x24/0x2c
init_module+0x28/0xa7c [sfp]
do_one_initcall+0x70/0x2ec
do_init_module+0x54/0x1e4
load_module+0x1b78/0x1c8c
__do_sys_init_module+0x1bc/0x2cc
__arm64_sys_init_module+0x18/0x20
invoke_syscall.constprop.0+0x4c/0xdc
do_el0_svc+0x3c/0xbc
el0_svc+0x34/0x80
el0t_64_sync_handler+0xf8/0x124
el0t_64_sync+0x150/0x154
-> #2 (rtnl_mutex){+.+.}-{3:3}:
__mutex_lock+0x88/0x7a0
mutex_lock_nested+0x20/0x28
rtnl_lock+0x18/0x20
set_device_name+0x30/0x130
netdev_trig_activate+0x13c/0x1ac
led_trigger_set+0x118/0x234
led_trigger_write+0x104/0x17c
sysfs_kf_bin_write+0x64/0x80
kernfs_fop_write_iter+0x128/0x1b4
vfs_write+0x178/0x2a4
ksys_write+0x58/0xd4
__arm64_sys_write+0x18/0x20
invoke_syscall.constprop.0+0x4c/0xdc
do_el0_svc+0x3c/0xbc
el0_svc+0x34/0x80
el0t_64_sync_handler+0xf8/0x124
el0t_64_sync+0x150/0x154
-> #1 (&led_cdev->trigger_lock){++++}-{3:3}:
down_write+0x4c/0x13c
led_trigger_write+0xf8/0x17c
sysfs_kf_bin_write+0x64/0x80
kernfs_fop_write_iter+0x128/0x1b4
vfs_write+0x178/0x2a4
ksys_write+0x58/0xd4
__arm64_sys_write+0x18/0x20
invoke_syscall.constprop.0+0x4c/0xdc
do_el0_svc+0x3c/0xbc
el0_svc+0x34/0x80
el0t_64_sync_handler+0xf8/0x124
el0t_64_sync+0x150/0x154
-> #0 (triggers_list_lock){++++}-{3:3}:
__lock_acquire+0x12a0/0x2014
lock_acquire+0x100/0x2ac
down_write+0x4c/0x13c
led_trigger_register+0x4c/0x1a8
phy_led_triggers_register+0x9c/0x214
phy_attach_direct+0x154/0x36c
phylink_attach_phy+0x30/0x60
phylink_sfp_connect_phy+0x140/0x510
sfp_add_phy+0x34/0x50
init_module+0x15c/0xa7c [sfp]
cleanup_module+0x1d94/0x3120 [sfp]
cleanup_module+0x2bb4/0x3120 [sfp]
process_one_work+0x1f8/0x4ec
worker_thread+0x1e8/0x3d8
kthread+0x104/0x110
ret_from_fork+0x10/0x20
other info that might help us debug this:
Chain exists of:
triggers_list_lock --> rtnl_mutex --> &sfp->sm_mutex
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&sfp->sm_mutex);
lock(rtnl_mutex);
lock(&sfp->sm_mutex);
lock(triggers_list_lock);
*** DEADLOCK ***
4 locks held by kworker/u8:2/43:
#0: ffffff80c000f938 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x150/0x4ec
#1: ffffffc08214bde8 ((work_completion)(&(&sfp->timeout)->work)){+.+.}-{0:0}, at: process_one_work+0x150/0x4ec
#2: ffffffc0810902f8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x18/0x20
#3: ffffff80c5c6f318 (&sfp->sm_mutex){+.+.}-{3:3}, at: cleanup_module+0x2ba8/0x3120 [sfp]
stack backtrace:
CPU: 0 PID: 43 Comm: kworker/u8:2 Tainted: G O 6.7.0-rc4-next-20231208+ #0
Hardware name: Bananapi BPI-R4 (DT)
Workqueue: events_power_efficient cleanup_module [sfp]
Call trace:
dump_backtrace+0xa8/0x10c
show_stack+0x14/0x1c
dump_stack_lvl+0x5c/0xa0
dump_stack+0x14/0x1c
print_circular_bug+0x328/0x430
check_noncircular+0x124/0x134
__lock_acquire+0x12a0/0x2014
lock_acquire+0x100/0x2ac
down_write+0x4c/0x13c
led_trigger_register+0x4c/0x1a8
phy_led_triggers_register+0x9c/0x214
phy_attach_direct+0x154/0x36c
phylink_attach_phy+0x30/0x60
phylink_sfp_connect_phy+0x140/0x510
sfp_add_phy+0x34/0x50
init_module+0x15c/0xa7c [sfp]
cleanup_module+0x1d94/0x3120 [sfp]
cleanup_module+0x2bb4/0x3120 [sfp]
process_one_work+0x1f8/0x4ec
worker_thread+0x1e8/0x3d8
kthread+0x104/0x110
ret_from_fork+0x10/0x20
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Fixes:
|
||
Jiri Olsa
|
117211aa73 |
bpf: Add missing BPF_LINK_TYPE invocations
Pengfei Xu reported [1] Syzkaller/KASAN issue found in bpf_link_show_fdinfo. The reason is missing BPF_LINK_TYPE invocation for uprobe multi link and for several other links, adding that. [1] https://lore.kernel.org/bpf/ZXptoKRSLspnk2ie@xpf.sh.intel.com/ Fixes: |
||
Josef Bacik
|
a8892fd719 |
btrfs: do not allow non subvolume root targets for snapshot
Our btrfs subvolume snapshot <source> <destination> utility enforces that <source> is the root of the subvolume, however this isn't enforced in the kernel. Update the kernel to also enforce this limitation to avoid problems with other users of this ioctl that don't have the appropriate checks in place. Reported-by: Martin Michaelis <code@mgjm.de> CC: stable@vger.kernel.org # 4.14+ Reviewed-by: Neal Gompa <neal@gompa.dev> Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> |
||
Jens Axboe
|
ae1914174a |
cred: get rid of CONFIG_DEBUG_CREDENTIALS
This code is rarely (never?) enabled by distros, and it hasn't caught anything in decades. Let's kill off this legacy debug code. Suggested-by: Linus Torvalds <torvalds@linuxfoundation.org> Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Jens Axboe
|
f8fa5d7692 |
cred: switch to using atomic_long_t
There are multiple ways to grab references to credentials, and the only protection we have against overflowing it is the memory required to do so. With memory sizes only moving in one direction, let's bump the reference count to 64-bit and move it outside the realm of feasibly overflowing. Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Bjorn Helgaas
|
5df12742b7 |
Revert "PCI: acpiphp: Reassign resources on bridge if necessary"
This reverts commit |
||
|
Linus Torvalds
|
3bd7d74881 |
io_uring-6.7-2023-12-15
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Merge tag 'io_uring-6.7-2023-12-15' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
"Just two minor fixes:
- Fix for the io_uring socket option commands using the wrong value
on some archs (Al)
- Tweak to the poll lazy wake enable (me)"
* tag 'io_uring-6.7-2023-12-15' of git://git.kernel.dk/linux:
io_uring/cmd: fix breakage in SOCKET_URING_OP_SIOC* implementation
io_uring/poll: don't enable lazy wake for POLLEXCLUSIVE
|
||
|
Linus Torvalds
|
a62aa88ba1 |
17 hotfixes. 8 are cc:stable and the other 9 pertain to post-6.6 issues.
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZXxs8wAKCRDdBJ7gKXxA junbAQCdItfHHinkWziciOrb0387wW+5WZ1ohqRFW8pGYLuasQEArpKmw13bvX7z e+ec9K1Ek9MlIsO2RwORR4KHH4MAbwA= =YpZh -----END PGP SIGNATURE----- Merge tag 'mm-hotfixes-stable-2023-12-15-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "17 hotfixes. 8 are cc:stable and the other 9 pertain to post-6.6 issues" * tag 'mm-hotfixes-stable-2023-12-15-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: mm/mglru: reclaim offlined memcgs harder mm/mglru: respect min_ttl_ms with memcgs mm/mglru: try to stop at high watermarks mm/mglru: fix underprotected page cache mm/shmem: fix race in shmem_undo_range w/THP Revert "selftests: error out if kernel header files are not yet built" crash_core: fix the check for whether crashkernel is from high memory x86, kexec: fix the wrong ifdeffery CONFIG_KEXEC sh, kexec: fix the incorrect ifdeffery and dependency of CONFIG_KEXEC mips, kexec: fix the incorrect ifdeffery and dependency of CONFIG_KEXEC m68k, kexec: fix the incorrect ifdeffery and build dependency of CONFIG_KEXEC loongarch, kexec: change dependency of object files mm/damon/core: make damon_start() waits until kdamond_fn() starts selftests/mm: cow: print ksft header before printing anything else mm: fix VMA heap bounds checking riscv: fix VMALLOC_START definition kexec: drop dependency on ARCH_SUPPORTS_KEXEC from CRASH_DUMP |
||
|
Linus Torvalds
|
26e7a30141 |
sound fixes for 6.7-rc6
A collection of HD-audio quirks for TAS2781 codec and device-specific workarounds. -----BEGIN PGP SIGNATURE----- iQJCBAABCAAsFiEEIXTw5fNLNI7mMiVaLtJE4w1nLE8FAmV7+yQOHHRpd2FpQHN1 c2UuZGUACgkQLtJE4w1nLE9iQBAA0TxpzzVqstG9XdsDGJcAgrPlpviwgw0+y7zX YTL8qgo++LB2ask0oUy+p5bfElXkHaXHpjJfQoEgd+8TtVZkSh/QCvjoaxsi9f7M IXe3iRs4agvcCm6cDLu/Ye9pUaSO0FZ5QurkdUHf4DRIxwsyWvdG5uWRIyxuLusA h5UgfaG0mt3DfdoeVXBhiNSp8wPuALHwgaZFDEi6YwbhuCKvXHETwDw8JLvS/q3h n75Px4jPi4d7xlcL83gHWOYmQMFRfzerMckTMIRfEH5SQtgg8AxjVrsuwuHwfTIn eUaRskgeKNbxGZFWMlnaZ8o/An/htND+LV94BuAQwVbPHnS/NJR8KX14wEtYxnM0 QjBxBzTrlgBrMnXF/X6BY4GTZc/zTqhXbNHwrWzQ+NxEMVf5dPm7QdFVwlP3iR1o /LeCMKr/ZZFGHHjsMGHkBzhqCvGnt1hlperBmYYJjtUr+tIf42Lp2HftrW3dJ4ST zPFagZhVU9kBWllVbDVxehYpVP2sd4+2MM5ryrG5K+6KtuVspAw5Y+6GjPdfpTG+ /3TxLP4aJpijy+C14gsXaSoUYqqwNlIx5wfnTtOH/uJUQyVIuNDldex8og0S+SGY XKcodufTXjyDNb5xYQxrtgtJNOmnfvWXOf6F61OglaupO0qpPhZhCZm2FXC0zgq1 BLKGLzM= =LpMQ -----END PGP SIGNATURE----- Merge tag 'sound-6.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "A collection of HD-audio quirks for TAS2781 codec and device-specific workarounds" * tag 'sound-6.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda/tas2781: reset the amp before component_add ALSA: hda/tas2781: call cleanup functions only once ALSA: hda/tas2781: handle missing EFI calibration data ALSA: hda/tas2781: leave hda_component in usable state ALSA: hda/realtek: Apply mute LED quirk for HP15-db ALSA: hda/hdmi: add force-connect quirks for ASUSTeK Z170 variants ALSA: hda/hdmi: add force-connect quirk for NUC5CPYB |
||
|
Linus Torvalds
|
595609b2ad |
drm fixes for 6.7-rc6
drm: - fix uninit problems in crtc - fix fd ownership check - edid: add modes in fallback paths panel: - move LG panel into DSI yaml - ltk050h3146w: set burst mode mediatek: - mtk_disp_gamma: Fix breakage due to merge issue - fix kernel oops if no crtc is found - Add spinlock for setting vblank event in atomic_begin - Fix access violation in mtk_drm_crtc_dma_dev_get i915: - Fix selftest engine reset count storage for multi-tile - Fix out-of-bounds reads for engine reset counts - Fix ADL+ remapped stride with CCS - Fix intel_atomic_setup_scalers() plane_state handling - Fix ADL+ tiled plane stride when the POT stride is smaller than the original - Fix eDP 1.4 rate select method link configuration amdgpu: - Fix suspend fix that got accidently mangled last week - Fix OD regression - PSR fixes - OLED Backlight regression fix - JPEG 4.0.5 fix - Misc display fixes - SDMA 5.2 fix - SDMA 2.4 regression fix - GPUVM race fix nouveau: - fix gk20a instobj hierarchy - fix headless iors inheritance regression ivpu: - fix WA initialisation -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmV79NwACgkQDHTzWXnE hr5WBA//SfblRiZsFCl6FlS3QqXcHqkVlK0FFtvcfGY0VCUjiKkEbi4ukf4NU8qs /GVK/CrQK0N3IVGwI5uEhSBcPXWgQLWA3mHuaYCBUTTzh9tBKW1JGfCE/ife58ec 1TFgCyqJ/42pb43oT1J3gV0vTk/QKm3XBAKS5nUdKqSoifXLIJibwLwJ6ppMUp7j Z+TnwVnWoeK7hBCI6PEHBM9aEmlhOkkdjMH8liGtcEBv2DVxKoF92ubMd8YYCi3G DAOmYQc1BrUUx1ASpG40CZ0lbNNzxfDSq4vFJ+sKkQrD0CaJ7DKDVUQtjvHXfbZU xXUNH1fxbp6eoAFZmKpRYKRkfMKWk8CeNaDwZipi4jk8cDMSz6oRAzTcuM+M5jEG XsTaTwwxHFJGG+Zp6NLZpSwhdRft+ZHnce64MHDvVyUFJrTv2gX3USwJozOX6qhp dcA6+ymU816EX8Naa2sJbW0FtdC1djfFBogH+Yv+cCSRRfZ+mzfetuuoGlkcMWlO snXuyBdwyv0Nw7lKgyEuDes5/lQqd8nZKnTlMIlItiGaokivquZtpUDyxseK7rDg PmtLPVqXpmDaoRCneEVvUQ/OeWn1SRoKD88InOyL8fONNs847tPvrfX23FTNWqYQ Rd3YniB500P1emMNqXT+5law37Xi5iBBHTh7v12as4U7Ro8+qGQ= =duFG -----END PGP SIGNATURE----- Merge tag 'drm-fixes-2023-12-15' of git://anongit.freedesktop.org/drm/drm Pull drm fixes from Dave Airlie: "More regular fixes, amdgpu, i915, mediatek and nouveau are most of them this week. Nothing too major, then a few misc bits and pieces in core, panel and ivpu. drm: - fix uninit problems in crtc - fix fd ownership check - edid: add modes in fallback paths panel: - move LG panel into DSI yaml - ltk050h3146w: set burst mode mediatek: - mtk_disp_gamma: Fix breakage due to merge issue - fix kernel oops if no crtc is found - Add spinlock for setting vblank event in atomic_begin - Fix access violation in mtk_drm_crtc_dma_dev_get i915: - Fix selftest engine reset count storage for multi-tile - Fix out-of-bounds reads for engine reset counts - Fix ADL+ remapped stride with CCS - Fix intel_atomic_setup_scalers() plane_state handling - Fix ADL+ tiled plane stride when the POT stride is smaller than the original - Fix eDP 1.4 rate select method link configuration amdgpu: - Fix suspend fix that got accidently mangled last week - Fix OD regression - PSR fixes - OLED Backlight regression fix - JPEG 4.0.5 fix - Misc display fixes - SDMA 5.2 fix - SDMA 2.4 regression fix - GPUVM race fix nouveau: - fix gk20a instobj hierarchy - fix headless iors inheritance regression ivpu: - fix WA initialisation" * tag 'drm-fixes-2023-12-15' of git://anongit.freedesktop.org/drm/drm: (31 commits) drm/nouveau/kms/nv50-: Don't allow inheritance of headless iors drm/nouveau: Fixup gk20a instobj hierarchy drm/amdgpu: warn when there are still mappings when a BO is destroyed v2 drm/amdgpu: fix tear down order in amdgpu_vm_pt_free drm/amd: Fix a probing order problem on SDMA 2.4 drm/amdgpu/sdma5.2: add begin/end_use ring callbacks drm/panel: ltk050h3146w: Set burst mode for ltk050h3148w dt-bindings: panel-simple-dsi: move LG 5" HD TFT LCD panel into DSI yaml drm/amd/display: Disable PSR-SU on Parade 0803 TCON again drm/amd/display: Populate dtbclk from bounding box drm/amd/display: Revert "Fix conversions between bytes and KB" drm/amdgpu/jpeg: configure doorbell for each playback drm/amd/display: Restore guard against default backlight value < 1 nit drm/amd/display: fix hw rotated modes when PSR-SU is enabled drm/amd/pm: fix pp_*clk_od typo drm/amdgpu: fix buffer funcs setting order on suspend harder drm/mediatek: Fix access violation in mtk_drm_crtc_dma_dev_get drm/edid: also call add modes in EDID connector update fallback drm/i915/edp: don't write to DP_LINK_BW_SET when using rate select drm/i915: Fix ADL+ tiled plane stride when the POT stride is smaller than the original ... |
||
Andy Gospodarek
|
23c93c3b62 |
bnxt_en: do not map packet buffers twice
Remove double-mapping of DMA buffers as it can prevent page pool entries
from being freed. Mapping is managed by page pool infrastructure and
was previously managed by the driver in __bnxt_alloc_rx_page before
allowing the page pool infrastructure to manage it.
Fixes:
|
||
Hyunwoo Kim
|
2e07e8348e |
Bluetooth: af_bluetooth: Fix Use-After-Free in bt_sock_recvmsg
This can cause a race with bt_sock_ioctl() because
bt_sock_recvmsg() gets the skb from sk->sk_receive_queue
and then frees it without holding lock_sock.
A use-after-free for a skb occurs with the following flow.
```
bt_sock_recvmsg() -> skb_recv_datagram() -> skb_free_datagram()
bt_sock_ioctl() -> skb_peek()
```
Add lock_sock to bt_sock_recvmsg() to fix this issue.
Cc: stable@vger.kernel.org
Fixes:
|
||
Alex Lu
|
04a342cc49 |
Bluetooth: Add more enc key size check
When we are slave role and receives l2cap conn req when encryption has
started, we should check the enc key size to avoid KNOB attack or BLUFFS
attack.
From SIG recommendation, implementations are advised to reject
service-level connections on an encrypted baseband link with key
strengths below 7 octets.
A simple and clear way to achieve this is to place the enc key size
check in hci_cc_read_enc_key_size()
The btmon log below shows the case that lacks enc key size check.
> HCI Event: Connect Request (0x04) plen 10
Address: BB:22:33:44:55:99 (OUI BB-22-33)
Class: 0x480104
Major class: Computer (desktop, notebook, PDA, organizers)
Minor class: Desktop workstation
Capturing (Scanner, Microphone)
Telephony (Cordless telephony, Modem, Headset)
Link type: ACL (0x01)
< HCI Command: Accept Connection Request (0x01|0x0009) plen 7
Address: BB:22:33:44:55:99 (OUI BB-22-33)
Role: Peripheral (0x01)
> HCI Event: Command Status (0x0f) plen 4
Accept Connection Request (0x01|0x0009) ncmd 2
Status: Success (0x00)
> HCI Event: Connect Complete (0x03) plen 11
Status: Success (0x00)
Handle: 1
Address: BB:22:33:44:55:99 (OUI BB-22-33)
Link type: ACL (0x01)
Encryption: Disabled (0x00)
...
> HCI Event: Encryption Change (0x08) plen 4
Status: Success (0x00)
Handle: 1 Address: BB:22:33:44:55:99 (OUI BB-22-33)
Encryption: Enabled with E0 (0x01)
< HCI Command: Read Encryption Key Size (0x05|0x0008) plen 2
Handle: 1 Address: BB:22:33:44:55:99 (OUI BB-22-33)
> HCI Event: Command Complete (0x0e) plen 7
Read Encryption Key Size (0x05|0x0008) ncmd 2
Status: Success (0x00)
Handle: 1 Address: BB:22:33:44:55:99 (OUI BB-22-33)
Key size: 6
// We should check the enc key size
...
> ACL Data RX: Handle 1 flags 0x02 dlen 12
L2CAP: Connection Request (0x02) ident 3 len 4
PSM: 25 (0x0019)
Source CID: 64
< ACL Data TX: Handle 1 flags 0x00 dlen 16
L2CAP: Connection Response (0x03) ident 3 len 8
Destination CID: 64
Source CID: 64
Result: Connection pending (0x0001)
Status: Authorization pending (0x0002)
> HCI Event: Number of Completed Packets (0x13) plen 5
Num handles: 1
Handle: 1 Address: BB:22:33:44:55:99 (OUI BB-22-33)
Count: 1
#35: len 16 (25 Kb/s)
Latency: 5 msec (2-7 msec ~4 msec)
< ACL Data TX: Handle 1 flags 0x00 dlen 16
L2CAP: Connection Response (0x03) ident 3 len 8
Destination CID: 64
Source CID: 64
Result: Connection successful (0x0000)
Status: No further information available (0x0000)
Cc: stable@vger.kernel.org
Signed-off-by: Alex Lu <alex_lu@realsil.com.cn>
Signed-off-by: Max Chou <max.chou@realtek.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
|
||
Xiao Yao
|
59b047bc98 |
Bluetooth: MGMT/SMP: Fix address type when using SMP over BREDR/LE
If two Bluetooth devices both support BR/EDR and BLE, and also
support Secure Connections, then they only need to pair once.
The LTK generated during the LE pairing process may be converted
into a BR/EDR link key for BR/EDR transport, and conversely, a
link key generated during the BR/EDR SSP pairing process can be
converted into an LTK for LE transport. Hence, the link type of
the link key and LTK is not fixed, they can be either an LE LINK
or an ACL LINK.
Currently, in the mgmt_new_irk/ltk/crsk/link_key functions, the
link type is fixed, which could lead to incorrect address types
being reported to the application layer. Therefore, it is necessary
to add link_type/addr_type to the smp_irk/ltk/crsk and link_key,
to ensure the generation of the correct address type.
SMP over BREDR:
Before Fix:
> ACL Data RX: Handle 11 flags 0x02 dlen 12
BR/EDR SMP: Identity Address Information (0x09) len 7
Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
@ MGMT Event: New Identity Resolving Key (0x0018) plen 30
Random address: 00:00:00:00:00:00 (Non-Resolvable)
LE Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
@ MGMT Event: New Long Term Key (0x000a) plen 37
LE Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
Key type: Authenticated key from P-256 (0x03)
After Fix:
> ACL Data RX: Handle 11 flags 0x02 dlen 12
BR/EDR SMP: Identity Address Information (0x09) len 7
Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
@ MGMT Event: New Identity Resolving Key (0x0018) plen 30
Random address: 00:00:00:00:00:00 (Non-Resolvable)
BR/EDR Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
@ MGMT Event: New Long Term Key (0x000a) plen 37
BR/EDR Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
Key type: Authenticated key from P-256 (0x03)
SMP over LE:
Before Fix:
@ MGMT Event: New Identity Resolving Key (0x0018) plen 30
Random address: 5F:5C:07:37:47:D5 (Resolvable)
LE Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
@ MGMT Event: New Long Term Key (0x000a) plen 37
LE Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
Key type: Authenticated key from P-256 (0x03)
@ MGMT Event: New Link Key (0x0009) plen 26
BR/EDR Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
Key type: Authenticated Combination key from P-256 (0x08)
After Fix:
@ MGMT Event: New Identity Resolving Key (0x0018) plen 30
Random address: 5E:03:1C:00:38:21 (Resolvable)
LE Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
@ MGMT Event: New Long Term Key (0x000a) plen 37
LE Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
Key type: Authenticated key from P-256 (0x03)
@ MGMT Event: New Link Key (0x0009) plen 26
Store hint: Yes (0x01)
LE Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
Key type: Authenticated Combination key from P-256 (0x08)
Cc: stable@vger.kernel.org
Signed-off-by: Xiao Yao <xiaoyao@rock-chips.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
|
||
Frédéric Danis
|
78b99eb1fa |
Bluetooth: L2CAP: Send reject on command corrupted request
L2CAP/COS/CED/BI-02-C PTS test send a malformed L2CAP signaling packet with 2 commands in it (a connection request and an unknown command) and expect to get a connection response packet and a command reject packet. The second is currently not sent. Cc: stable@vger.kernel.org Signed-off-by: Frédéric Danis <frederic.danis@collabora.com> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> |
||
Luiz Augusto von Dentz
|
50efc63d1a |
Bluetooth: hci_core: Fix hci_conn_hash_lookup_cis
hci_conn_hash_lookup_cis shall always match the requested CIG and CIS
ids even when they are unset as otherwise it result in not being able
to bind/connect different sockets to the same address as that would
result in having multiple sockets mapping to the same hci_conn which
doesn't really work and prevents BAP audio configuration such as
AC 6(i) when CIG and CIS are left unset.
Fixes:
|
||
Arnd Bergmann
|
a5812c68d8 |
Bluetooth: hci_event: shut up a false-positive warning
Turning on -Wstringop-overflow globally exposed a misleading compiler
warning in bluetooth:
net/bluetooth/hci_event.c: In function 'hci_cc_read_class_of_dev':
net/bluetooth/hci_event.c:524:9: error: 'memcpy' writing 3 bytes into a
region of size 0 overflows the destination [-Werror=stringop-overflow=]
524 | memcpy(hdev->dev_class, rp->dev_class, 3);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The problem here is the check for hdev being NULL in bt_dev_dbg() that
leads the compiler to conclude that hdev->dev_class might be an invalid
pointer access.
Add another explicit check for the same condition to make sure gcc sees
this cannot happen.
Fixes:
|
||
|
Luiz Augusto von Dentz
|
99e67d46e5 |
Bluetooth: hci_event: Fix not checking if HCI_OP_INQUIRY has been sent
Before setting HCI_INQUIRY bit check if HCI_OP_INQUIRY was really sent otherwise the controller maybe be generating invalid events or, more likely, it is a result of fuzzing tools attempting to test the right behavior of the stack when unexpected events are generated. Cc: stable@vger.kernel.org Link: https://bugzilla.kernel.org/show_bug.cgi?id=218151 Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> |
||
Ying Hsu
|
769bf60e17 |
Bluetooth: Fix deadlock in vhci_send_frame
syzbot found a potential circular dependency leading to a deadlock:
-> #3 (&hdev->req_lock){+.+.}-{3:3}:
__mutex_lock_common+0x1b6/0x1bc2 kernel/locking/mutex.c:599
__mutex_lock kernel/locking/mutex.c:732 [inline]
mutex_lock_nested+0x17/0x1c kernel/locking/mutex.c:784
hci_dev_do_close+0x3f/0x9f net/bluetooth/hci_core.c:551
hci_rfkill_set_block+0x130/0x1ac net/bluetooth/hci_core.c:935
rfkill_set_block+0x1e6/0x3b8 net/rfkill/core.c:345
rfkill_fop_write+0x2d8/0x672 net/rfkill/core.c:1274
vfs_write+0x277/0xcf5 fs/read_write.c:594
ksys_write+0x19b/0x2bd fs/read_write.c:650
do_syscall_x64 arch/x86/entry/common.c:55 [inline]
do_syscall_64+0x51/0xba arch/x86/entry/common.c:93
entry_SYSCALL_64_after_hwframe+0x61/0xcb
-> #2 (rfkill_global_mutex){+.+.}-{3:3}:
__mutex_lock_common+0x1b6/0x1bc2 kernel/locking/mutex.c:599
__mutex_lock kernel/locking/mutex.c:732 [inline]
mutex_lock_nested+0x17/0x1c kernel/locking/mutex.c:784
rfkill_register+0x30/0x7e3 net/rfkill/core.c:1045
hci_register_dev+0x48f/0x96d net/bluetooth/hci_core.c:2622
__vhci_create_device drivers/bluetooth/hci_vhci.c:341 [inline]
vhci_create_device+0x3ad/0x68f drivers/bluetooth/hci_vhci.c:374
vhci_get_user drivers/bluetooth/hci_vhci.c:431 [inline]
vhci_write+0x37b/0x429 drivers/bluetooth/hci_vhci.c:511
call_write_iter include/linux/fs.h:2109 [inline]
new_sync_write fs/read_write.c:509 [inline]
vfs_write+0xaa8/0xcf5 fs/read_write.c:596
ksys_write+0x19b/0x2bd fs/read_write.c:650
do_syscall_x64 arch/x86/entry/common.c:55 [inline]
do_syscall_64+0x51/0xba arch/x86/entry/common.c:93
entry_SYSCALL_64_after_hwframe+0x61/0xcb
-> #1 (&data->open_mutex){+.+.}-{3:3}:
__mutex_lock_common+0x1b6/0x1bc2 kernel/locking/mutex.c:599
__mutex_lock kernel/locking/mutex.c:732 [inline]
mutex_lock_nested+0x17/0x1c kernel/locking/mutex.c:784
vhci_send_frame+0x68/0x9c drivers/bluetooth/hci_vhci.c:75
hci_send_frame+0x1cc/0x2ff net/bluetooth/hci_core.c:2989
hci_sched_acl_pkt net/bluetooth/hci_core.c:3498 [inline]
hci_sched_acl net/bluetooth/hci_core.c:3583 [inline]
hci_tx_work+0xb94/0x1a60 net/bluetooth/hci_core.c:3654
process_one_work+0x901/0xfb8 kernel/workqueue.c:2310
worker_thread+0xa67/0x1003 kernel/workqueue.c:2457
kthread+0x36a/0x430 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
-> #0 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3053 [inline]
check_prevs_add kernel/locking/lockdep.c:3172 [inline]
validate_chain kernel/locking/lockdep.c:3787 [inline]
__lock_acquire+0x2d32/0x77fa kernel/locking/lockdep.c:5011
lock_acquire+0x273/0x4d5 kernel/locking/lockdep.c:5622
__flush_work+0xee/0x19f kernel/workqueue.c:3090
hci_dev_close_sync+0x32f/0x1113 net/bluetooth/hci_sync.c:4352
hci_dev_do_close+0x47/0x9f net/bluetooth/hci_core.c:553
hci_rfkill_set_block+0x130/0x1ac net/bluetooth/hci_core.c:935
rfkill_set_block+0x1e6/0x3b8 net/rfkill/core.c:345
rfkill_fop_write+0x2d8/0x672 net/rfkill/core.c:1274
vfs_write+0x277/0xcf5 fs/read_write.c:594
ksys_write+0x19b/0x2bd fs/read_write.c:650
do_syscall_x64 arch/x86/entry/common.c:55 [inline]
do_syscall_64+0x51/0xba arch/x86/entry/common.c:93
entry_SYSCALL_64_after_hwframe+0x61/0xcb
This change removes the need for acquiring the open_mutex in
vhci_send_frame, thus eliminating the potential deadlock while
maintaining the required packet ordering.
Fixes:
|
||
|
Luiz Augusto von Dentz
|
f67eabffb5 |
Bluetooth: Fix not notifying when connection encryption changes
Some layers such as SMP depend on getting notified about encryption
changes immediately as they only allow certain PDU to be transmitted
over an encrypted link which may cause SMP implementation to reject
valid PDUs received thus causing pairing to fail when it shouldn't.
Fixes:
|
||
NeilBrown
|
1bd773b4f0 |
nfsd: hold nfsd_mutex across entire netlink operation
Rather than using svc_get() and svc_put() to hold a stable reference to
the nfsd_svc for netlink lookups, simply hold the mutex for the entire
time.
The "entire" time isn't very long, and the mutex is not often contented.
This makes way for us to remove the refcounts of svc, which is more
confusing than useful.
Reported-by: Jeff Layton <jlayton@kernel.org>
Closes: https://lore.kernel.org/linux-nfs/5d9bbb599569ce29f16e4e0eef6b291eda0f375b.camel@kernel.org/T/#u
Fixes:
|
||
|
NeilBrown
|
2a501f55cd |
nfsd: call nfsd_last_thread() before final nfsd_put()
If write_ports_addfd or write_ports_addxprt fail, they call nfsd_put()
without calling nfsd_last_thread(). This leaves nn->nfsd_serv pointing
to a structure that has been freed.
So remove 'static' from nfsd_last_thread() and call it when the
nfsd_serv is about to be destroyed.
Fixes:
|
||
Steven Rostedt (Google)
|
712292308a |
ring-buffer: Do not record in NMI if the arch does not support cmpxchg in NMI
As the ring buffer recording requires cmpxchg() to work, if the architecture does not support cmpxchg in NMI, then do not do any recording within an NMI. Link: https://lore.kernel.org/linux-trace-kernel/20231213175403.6fc18540@gandalf.local.home Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> |
||
|
Steven Rostedt (Google)
|
0aa0e5289c |
ring-buffer: Have rb_time_cmpxchg() set the msb counter too
The rb_time_cmpxchg() on 32-bit architectures requires setting three
32-bit words to represent the 64-bit timestamp, with some salt for
synchronization. Those are: msb, top, and bottom
The issue is, the rb_time_cmpxchg() did not properly salt the msb portion,
and the msb that was written was stale.
Link: https://lore.kernel.org/linux-trace-kernel/20231215084114.20899342@rorschach.local.home
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Fixes:
|
||
Mathieu Desnoyers
|
dec890089b |
ring-buffer: Fix 32-bit rb_time_read() race with rb_time_cmpxchg()
The following race can cause rb_time_read() to observe a corrupted time
stamp:
rb_time_cmpxchg()
[...]
if (!rb_time_read_cmpxchg(&t->msb, msb, msb2))
return false;
if (!rb_time_read_cmpxchg(&t->top, top, top2))
return false;
<interrupted before updating bottom>
__rb_time_read()
[...]
do {
c = local_read(&t->cnt);
top = local_read(&t->top);
bottom = local_read(&t->bottom);
msb = local_read(&t->msb);
} while (c != local_read(&t->cnt));
*cnt = rb_time_cnt(top);
/* If top and msb counts don't match, this interrupted a write */
if (*cnt != rb_time_cnt(msb))
return false;
^ this check fails to catch that "bottom" is still not updated.
So the old "bottom" value is returned, which is wrong.
Fix this by checking that all three of msb, top, and bottom 2-bit cnt
values match.
The reason to favor checking all three fields over requiring a specific
update order for both rb_time_set() and rb_time_cmpxchg() is because
checking all three fields is more robust to handle partial failures of
rb_time_cmpxchg() when interrupted by nested rb_time_set().
Link: https://lore.kernel.org/lkml/20231211201324.652870-1-mathieu.desnoyers@efficios.com/
Link: https://lore.kernel.org/linux-trace-kernel/20231212193049.680122-1-mathieu.desnoyers@efficios.com
Fixes:
|
||
|
Steven Rostedt (Google)
|
fff88fa0fb |
ring-buffer: Fix a race in rb_time_cmpxchg() for 32 bit archs
Mathieu Desnoyers pointed out an issue in the rb_time_cmpxchg() for 32 bit
architectures. That is:
static bool rb_time_cmpxchg(rb_time_t *t, u64 expect, u64 set)
{
unsigned long cnt, top, bottom, msb;
unsigned long cnt2, top2, bottom2, msb2;
u64 val;
/* The cmpxchg always fails if it interrupted an update */
if (!__rb_time_read(t, &val, &cnt2))
return false;
if (val != expect)
return false;
<<<< interrupted here!
cnt = local_read(&t->cnt);
The problem is that the synchronization counter in the rb_time_t is read
*after* the value of the timestamp is read. That means if an interrupt
were to come in between the value being read and the counter being read,
it can change the value and the counter and the interrupted process would
be clueless about it!
The counter needs to be read first and then the value. That way it is easy
to tell if the value is stale or not. If the counter hasn't been updated,
then the value is still good.
Link: https://lore.kernel.org/linux-trace-kernel/20231211201324.652870-1-mathieu.desnoyers@efficios.com/
Link: https://lore.kernel.org/linux-trace-kernel/20231212115301.7a9c9a64@gandalf.local.home
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Fixes:
|
||
|
Steven Rostedt (Google)
|
083e9f65bd |
ring-buffer: Remove useless update to write_stamp in rb_try_to_discard()
When filtering is enabled, a temporary buffer is created to place the
content of the trace event output so that the filter logic can decide
from the trace event output if the trace event should be filtered out or
not. If it is to be filtered out, the content in the temporary buffer is
simply discarded, otherwise it is written into the trace buffer.
But if an interrupt were to come in while a previous event was using that
temporary buffer, the event written by the interrupt would actually go
into the ring buffer itself to prevent corrupting the data on the
temporary buffer. If the event is to be filtered out, the event in the
ring buffer is discarded, or if it fails to discard because another event
were to have already come in, it is turned into padding.
The update to the write_stamp in the rb_try_to_discard() happens after a
fix was made to force the next event after the discard to use an absolute
timestamp by setting the before_stamp to zero so it does not match the
write_stamp (which causes an event to use the absolute timestamp).
But there's an effort in rb_try_to_discard() to put back the write_stamp
to what it was before the event was added. But this is useless and
wasteful because nothing is going to be using that write_stamp for
calculations as it still will not match the before_stamp.
Remove this useless update, and in doing so, we remove another
cmpxchg64()!
Also update the comments to reflect this change as well as remove some
extra white space in another comment.
Link: https://lore.kernel.org/linux-trace-kernel/20231215081810.1f4f38fe@rorschach.local.home
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Joel Fernandes <joel@joelfernandes.org>
Cc: Vincent Donnefort <vdonnefort@google.com>
Fixes:
|
||
|
Steven Rostedt (Google)
|
dd93942570 |
ring-buffer: Do not try to put back write_stamp
If an update to an event is interrupted by another event between the time
the initial event allocated its buffer and where it wrote to the
write_stamp, the code try to reset the write stamp back to the what it had
just overwritten. It knows that it was overwritten via checking the
before_stamp, and if it didn't match what it wrote to the before_stamp
before it allocated its space, it knows it was overwritten.
To put back the write_stamp, it uses the before_stamp it read. The problem
here is that by writing the before_stamp to the write_stamp it makes the
two equal again, which means that the write_stamp can be considered valid
as the last timestamp written to the ring buffer. But this is not
necessarily true. The event that interrupted the event could have been
interrupted in a way that it was interrupted as well, and can end up
leaving with an invalid write_stamp. But if this happens and returns to
this context that uses the before_stamp to update the write_stamp again,
it can possibly incorrectly make it valid, causing later events to have in
correct time stamps.
As it is OK to leave this function with an invalid write_stamp (one that
doesn't match the before_stamp), there's no reason to try to make it valid
again in this case. If this race happens, then just leave with the invalid
write_stamp and the next event to come along will just add a absolute
timestamp and validate everything again.
Bonus points: This gets rid of another cmpxchg64!
Link: https://lore.kernel.org/linux-trace-kernel/20231214222921.193037a7@gandalf.local.home
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Joel Fernandes <joel@joelfernandes.org>
Cc: Vincent Donnefort <vdonnefort@google.com>
Fixes:
|
||
Shubhrajyoti Datta
|
9483aa4491 |
EDAC/versal: Read num_csrows and num_chans using the correct bitfield macro
Fix the extraction of num_csrows and num_chans. The extraction of the
num_rows is wrong. Instead of extracting using the FIELD_GET it is
calling FIELD_PREP.
The issue was masked as the default design has the rows as 0.
Fixes:
|
||
Eric Dumazet
|
64b8bc7d5f |
net/rose: fix races in rose_kill_by_device()
syzbot found an interesting netdev refcounting issue in
net/rose/af_rose.c, thanks to CONFIG_NET_DEV_REFCNT_TRACKER=y [1]
Problem is that rose_kill_by_device() can change rose->device
while other threads do not expect the pointer to be changed.
We have to first collect sockets in a temporary array,
then perform the changes while holding the socket
lock and rose_list_lock spinlock (in this order)
Change rose_release() to also acquire rose_list_lock
before releasing the netdev refcount.
[1]
[ 1185.055088][ T7889] ref_tracker: reference already released.
[ 1185.061476][ T7889] ref_tracker: allocated in:
[ 1185.066081][ T7889] rose_bind+0x4ab/0xd10
[ 1185.070446][ T7889] __sys_bind+0x1ec/0x220
[ 1185.074818][ T7889] __x64_sys_bind+0x72/0xb0
[ 1185.079356][ T7889] do_syscall_64+0x40/0x110
[ 1185.083897][ T7889] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 1185.089835][ T7889] ref_tracker: freed in:
[ 1185.094088][ T7889] rose_release+0x2f5/0x570
[ 1185.098629][ T7889] __sock_release+0xae/0x260
[ 1185.103262][ T7889] sock_close+0x1c/0x20
[ 1185.107453][ T7889] __fput+0x270/0xbb0
[ 1185.111467][ T7889] task_work_run+0x14d/0x240
[ 1185.116085][ T7889] get_signal+0x106f/0x2790
[ 1185.120622][ T7889] arch_do_signal_or_restart+0x90/0x7f0
[ 1185.126205][ T7889] exit_to_user_mode_prepare+0x121/0x240
[ 1185.131846][ T7889] syscall_exit_to_user_mode+0x1e/0x60
[ 1185.137293][ T7889] do_syscall_64+0x4d/0x110
[ 1185.141783][ T7889] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 1185.148085][ T7889] ------------[ cut here ]------------
WARNING: CPU: 1 PID: 7889 at lib/ref_tracker.c:255 ref_tracker_free+0x61a/0x810 lib/ref_tracker.c:255
Modules linked in:
CPU: 1 PID: 7889 Comm: syz-executor.2 Not tainted 6.7.0-rc4-syzkaller-00162-g65c95f78917e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:ref_tracker_free+0x61a/0x810 lib/ref_tracker.c:255
Code: 00 44 8b 6b 18 31 ff 44 89 ee e8 21 62 f5 fc 45 85 ed 0f 85 a6 00 00 00 e8 a3 66 f5 fc 48 8b 34 24 48 89 ef e8 27 5f f1 05 90 <0f> 0b 90 bb ea ff ff ff e9 52 fd ff ff e8 84 66 f5 fc 4c 8d 6d 44
RSP: 0018:ffffc90004917850 EFLAGS: 00010202
RAX: 0000000000000201 RBX: ffff88802618f4c0 RCX: 0000000000000000
RDX: 0000000000000202 RSI: ffffffff8accb920 RDI: 0000000000000001
RBP: ffff8880269ea5b8 R08: 0000000000000001 R09: fffffbfff23e35f6
R10: ffffffff91f1afb7 R11: 0000000000000001 R12: 1ffff92000922f0c
R13: 0000000005a2039b R14: ffff88802618f4d8 R15: 00000000ffffffff
FS: 00007f0a720ef6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f43a819d988 CR3: 0000000076c64000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
netdev_tracker_free include/linux/netdevice.h:4127 [inline]
netdev_put include/linux/netdevice.h:4144 [inline]
netdev_put include/linux/netdevice.h:4140 [inline]
rose_kill_by_device net/rose/af_rose.c:195 [inline]
rose_device_event+0x25d/0x330 net/rose/af_rose.c:218
notifier_call_chain+0xb6/0x3b0 kernel/notifier.c:93
call_netdevice_notifiers_info+0xbe/0x130 net/core/dev.c:1967
call_netdevice_notifiers_extack net/core/dev.c:2005 [inline]
call_netdevice_notifiers net/core/dev.c:2019 [inline]
__dev_notify_flags+0x1f5/0x2e0 net/core/dev.c:8646
dev_change_flags+0x122/0x170 net/core/dev.c:8682
dev_ifsioc+0x9ad/0x1090 net/core/dev_ioctl.c:529
dev_ioctl+0x224/0x1090 net/core/dev_ioctl.c:786
sock_do_ioctl+0x198/0x270 net/socket.c:1234
sock_ioctl+0x22e/0x6b0 net/socket.c:1339
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl fs/ioctl.c:857 [inline]
__x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f0a7147cba9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0a720ef0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0a7159bf80 RCX: 00007f0a7147cba9
RDX: 0000000020000040 RSI: 0000000000008914 RDI: 0000000000000004
RBP: 00007f0a714c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f0a7159bf80 R15: 00007ffc8bb3a5f8
</TASK>
Fixes:
|
||
Mark Rutland
|
7e2c1e4b34 |
perf: Fix perf_event_validate_size() lockdep splat
When lockdep is enabled, the for_each_sibling_event(sibling, event)
macro checks that event->ctx->mutex is held. When creating a new group
leader event, we call perf_event_validate_size() on a partially
initialized event where event->ctx is NULL, and so when
for_each_sibling_event() attempts to check event->ctx->mutex, we get a
splat, as reported by Lucas De Marchi:
WARNING: CPU: 8 PID: 1471 at kernel/events/core.c:1950 __do_sys_perf_event_open+0xf37/0x1080
This only happens for a new event which is its own group_leader, and in
this case there cannot be any sibling events. Thus it's safe to skip the
check for siblings, which avoids having to make invasive and ugly
changes to for_each_sibling_event().
Avoid the splat by bailing out early when the new event is its own
group_leader.
Fixes:
|
||
Zhipeng Lu
|
309fdb1c33 |
ethernet: atheros: fix a memleak in atl1e_setup_ring_resources
In the error handling of 'offset > adapter->ring_size', the
tx_ring->tx_buffer allocated by kzalloc should be freed,
instead of 'goto failed' instantly.
Fixes:
|
||
|
Eric Dumazet
|
19391a2ca9 |
net: sched: ife: fix potential use-after-free
ife_decode() calls pskb_may_pull() two times, we need to reload
ifehdr after the second one, or risk use-after-free as reported
by syzbot:
BUG: KASAN: slab-use-after-free in __ife_tlv_meta_valid net/ife/ife.c:108 [inline]
BUG: KASAN: slab-use-after-free in ife_tlv_meta_decode+0x1d1/0x210 net/ife/ife.c:131
Read of size 2 at addr ffff88802d7300a4 by task syz-executor.5/22323
CPU: 0 PID: 22323 Comm: syz-executor.5 Not tainted 6.7.0-rc3-syzkaller-00804-g074ac38d5b95 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:364 [inline]
print_report+0xc4/0x620 mm/kasan/report.c:475
kasan_report+0xda/0x110 mm/kasan/report.c:588
__ife_tlv_meta_valid net/ife/ife.c:108 [inline]
ife_tlv_meta_decode+0x1d1/0x210 net/ife/ife.c:131
tcf_ife_decode net/sched/act_ife.c:739 [inline]
tcf_ife_act+0x4e3/0x1cd0 net/sched/act_ife.c:879
tc_act include/net/tc_wrapper.h:221 [inline]
tcf_action_exec+0x1ac/0x620 net/sched/act_api.c:1079
tcf_exts_exec include/net/pkt_cls.h:344 [inline]
mall_classify+0x201/0x310 net/sched/cls_matchall.c:42
tc_classify include/net/tc_wrapper.h:227 [inline]
__tcf_classify net/sched/cls_api.c:1703 [inline]
tcf_classify+0x82f/0x1260 net/sched/cls_api.c:1800
hfsc_classify net/sched/sch_hfsc.c:1147 [inline]
hfsc_enqueue+0x315/0x1060 net/sched/sch_hfsc.c:1546
dev_qdisc_enqueue+0x3f/0x230 net/core/dev.c:3739
__dev_xmit_skb net/core/dev.c:3828 [inline]
__dev_queue_xmit+0x1de1/0x3d30 net/core/dev.c:4311
dev_queue_xmit include/linux/netdevice.h:3165 [inline]
packet_xmit+0x237/0x350 net/packet/af_packet.c:276
packet_snd net/packet/af_packet.c:3081 [inline]
packet_sendmsg+0x24aa/0x5200 net/packet/af_packet.c:3113
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0xd5/0x180 net/socket.c:745
__sys_sendto+0x255/0x340 net/socket.c:2190
__do_sys_sendto net/socket.c:2202 [inline]
__se_sys_sendto net/socket.c:2198 [inline]
__x64_sys_sendto+0xe0/0x1b0 net/socket.c:2198
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fe9acc7cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe9ada450c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fe9acd9bf80 RCX: 00007fe9acc7cae9
RDX: 000000000000fce0 RSI: 00000000200002c0 RDI: 0000000000000003
RBP: 00007fe9accc847a R08: 0000000020000140 R09: 0000000000000014
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fe9acd9bf80 R15: 00007ffd5427ae78
</TASK>
Allocated by task 22323:
kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
____kasan_kmalloc mm/kasan/common.c:374 [inline]
__kasan_kmalloc+0xa2/0xb0 mm/kasan/common.c:383
kasan_kmalloc include/linux/kasan.h:198 [inline]
__do_kmalloc_node mm/slab_common.c:1007 [inline]
__kmalloc_node_track_caller+0x5a/0x90 mm/slab_common.c:1027
kmalloc_reserve+0xef/0x260 net/core/skbuff.c:582
__alloc_skb+0x12b/0x330 net/core/skbuff.c:651
alloc_skb include/linux/skbuff.h:1298 [inline]
alloc_skb_with_frags+0xe4/0x710 net/core/skbuff.c:6331
sock_alloc_send_pskb+0x7e4/0x970 net/core/sock.c:2780
packet_alloc_skb net/packet/af_packet.c:2930 [inline]
packet_snd net/packet/af_packet.c:3024 [inline]
packet_sendmsg+0x1e2a/0x5200 net/packet/af_packet.c:3113
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0xd5/0x180 net/socket.c:745
__sys_sendto+0x255/0x340 net/socket.c:2190
__do_sys_sendto net/socket.c:2202 [inline]
__se_sys_sendto net/socket.c:2198 [inline]
__x64_sys_sendto+0xe0/0x1b0 net/socket.c:2198
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
Freed by task 22323:
kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:522
____kasan_slab_free mm/kasan/common.c:236 [inline]
____kasan_slab_free+0x15b/0x1b0 mm/kasan/common.c:200
kasan_slab_free include/linux/kasan.h:164 [inline]
slab_free_hook mm/slub.c:1800 [inline]
slab_free_freelist_hook+0x114/0x1e0 mm/slub.c:1826
slab_free mm/slub.c:3809 [inline]
__kmem_cache_free+0xc0/0x180 mm/slub.c:3822
skb_kfree_head net/core/skbuff.c:950 [inline]
skb_free_head+0x110/0x1b0 net/core/skbuff.c:962
pskb_expand_head+0x3c5/0x1170 net/core/skbuff.c:2130
__pskb_pull_tail+0xe1/0x1830 net/core/skbuff.c:2655
pskb_may_pull_reason include/linux/skbuff.h:2685 [inline]
pskb_may_pull include/linux/skbuff.h:2693 [inline]
ife_decode+0x394/0x4f0 net/ife/ife.c:82
tcf_ife_decode net/sched/act_ife.c:727 [inline]
tcf_ife_act+0x43b/0x1cd0 net/sched/act_ife.c:879
tc_act include/net/tc_wrapper.h:221 [inline]
tcf_action_exec+0x1ac/0x620 net/sched/act_api.c:1079
tcf_exts_exec include/net/pkt_cls.h:344 [inline]
mall_classify+0x201/0x310 net/sched/cls_matchall.c:42
tc_classify include/net/tc_wrapper.h:227 [inline]
__tcf_classify net/sched/cls_api.c:1703 [inline]
tcf_classify+0x82f/0x1260 net/sched/cls_api.c:1800
hfsc_classify net/sched/sch_hfsc.c:1147 [inline]
hfsc_enqueue+0x315/0x1060 net/sched/sch_hfsc.c:1546
dev_qdisc_enqueue+0x3f/0x230 net/core/dev.c:3739
__dev_xmit_skb net/core/dev.c:3828 [inline]
__dev_queue_xmit+0x1de1/0x3d30 net/core/dev.c:4311
dev_queue_xmit include/linux/netdevice.h:3165 [inline]
packet_xmit+0x237/0x350 net/packet/af_packet.c:276
packet_snd net/packet/af_packet.c:3081 [inline]
packet_sendmsg+0x24aa/0x5200 net/packet/af_packet.c:3113
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0xd5/0x180 net/socket.c:745
__sys_sendto+0x255/0x340 net/socket.c:2190
__do_sys_sendto net/socket.c:2202 [inline]
__se_sys_sendto net/socket.c:2198 [inline]
__x64_sys_sendto+0xe0/0x1b0 net/socket.c:2198
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
The buggy address belongs to the object at ffff88802d730000
which belongs to the cache kmalloc-8k of size 8192
The buggy address is located 164 bytes inside of
freed 8192-byte region [ffff88802d730000, ffff88802d732000)
The buggy address belongs to the physical page:
page:ffffea0000b5cc00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2d730
head:ffffea0000b5cc00 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000840 ffff888013042280 dead000000000122 0000000000000000
raw: 0000000000000000 0000000080020002 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 22323, tgid 22320 (syz-executor.5), ts 950317230369, free_ts 950233467461
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x2d0/0x350 mm/page_alloc.c:1544
prep_new_page mm/page_alloc.c:1551 [inline]
get_page_from_freelist+0xa28/0x3730 mm/page_alloc.c:3319
__alloc_pages+0x22e/0x2420 mm/page_alloc.c:4575
alloc_pages_mpol+0x258/0x5f0 mm/mempolicy.c:2133
alloc_slab_page mm/slub.c:1870 [inline]
allocate_slab mm/slub.c:2017 [inline]
new_slab+0x283/0x3c0 mm/slub.c:2070
___slab_alloc+0x979/0x1500 mm/slub.c:3223
__slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3322
__slab_alloc_node mm/slub.c:3375 [inline]
slab_alloc_node mm/slub.c:3468 [inline]
__kmem_cache_alloc_node+0x131/0x310 mm/slub.c:3517
__do_kmalloc_node mm/slab_common.c:1006 [inline]
__kmalloc_node_track_caller+0x4a/0x90 mm/slab_common.c:1027
kmalloc_reserve+0xef/0x260 net/core/skbuff.c:582
__alloc_skb+0x12b/0x330 net/core/skbuff.c:651
alloc_skb include/linux/skbuff.h:1298 [inline]
alloc_skb_with_frags+0xe4/0x710 net/core/skbuff.c:6331
sock_alloc_send_pskb+0x7e4/0x970 net/core/sock.c:2780
packet_alloc_skb net/packet/af_packet.c:2930 [inline]
packet_snd net/packet/af_packet.c:3024 [inline]
packet_sendmsg+0x1e2a/0x5200 net/packet/af_packet.c:3113
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0xd5/0x180 net/socket.c:745
__sys_sendto+0x255/0x340 net/socket.c:2190
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1144 [inline]
free_unref_page_prepare+0x53c/0xb80 mm/page_alloc.c:2354
free_unref_page+0x33/0x3b0 mm/page_alloc.c:2494
__unfreeze_partials+0x226/0x240 mm/slub.c:2655
qlink_free mm/kasan/quarantine.c:168 [inline]
qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:187
kasan_quarantine_reduce+0x18e/0x1d0 mm/kasan/quarantine.c:294
__kasan_slab_alloc+0x65/0x90 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:188 [inline]
slab_post_alloc_hook mm/slab.h:763 [inline]
slab_alloc_node mm/slub.c:3478 [inline]
slab_alloc mm/slub.c:3486 [inline]
__kmem_cache_alloc_lru mm/slub.c:3493 [inline]
kmem_cache_alloc_lru+0x219/0x6f0 mm/slub.c:3509
alloc_inode_sb include/linux/fs.h:2937 [inline]
ext4_alloc_inode+0x28/0x650 fs/ext4/super.c:1408
alloc_inode+0x5d/0x220 fs/inode.c:261
new_inode_pseudo fs/inode.c:1006 [inline]
new_inode+0x22/0x260 fs/inode.c:1032
__ext4_new_inode+0x333/0x5200 fs/ext4/ialloc.c:958
ext4_symlink+0x5d7/0xa20 fs/ext4/namei.c:3398
vfs_symlink fs/namei.c:4464 [inline]
vfs_symlink+0x3e5/0x620 fs/namei.c:4448
do_symlinkat+0x25f/0x310 fs/namei.c:4490
__do_sys_symlinkat fs/namei.c:4506 [inline]
__se_sys_symlinkat fs/namei.c:4503 [inline]
__x64_sys_symlinkat+0x97/0xc0 fs/namei.c:4503
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
Fixes:
|
||
Shigeru Yoshida
|
cac23b7d76 |
net: Return error from sk_stream_wait_connect() if sk_wait_event() fails
The following NULL pointer dereference issue occurred:
BUG: kernel NULL pointer dereference, address: 0000000000000000
<...>
RIP: 0010:ccid_hc_tx_send_packet net/dccp/ccid.h:166 [inline]
RIP: 0010:dccp_write_xmit+0x49/0x140 net/dccp/output.c:356
<...>
Call Trace:
<TASK>
dccp_sendmsg+0x642/0x7e0 net/dccp/proto.c:801
inet_sendmsg+0x63/0x90 net/ipv4/af_inet.c:846
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x83/0xe0 net/socket.c:745
____sys_sendmsg+0x443/0x510 net/socket.c:2558
___sys_sendmsg+0xe5/0x150 net/socket.c:2612
__sys_sendmsg+0xa6/0x120 net/socket.c:2641
__do_sys_sendmsg net/socket.c:2650 [inline]
__se_sys_sendmsg net/socket.c:2648 [inline]
__x64_sys_sendmsg+0x45/0x50 net/socket.c:2648
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x43/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
sk_wait_event() returns an error (-EPIPE) if disconnect() is called on the
socket waiting for the event. However, sk_stream_wait_connect() returns
success, i.e. zero, even if sk_wait_event() returns -EPIPE, so a function
that waits for a connection with sk_stream_wait_connect() may misbehave.
In the case of the above DCCP issue, dccp_sendmsg() is waiting for the
connection. If disconnect() is called in concurrently, the above issue
occurs.
This patch fixes the issue by returning error from sk_stream_wait_connect()
if sk_wait_event() fails.
Fixes:
|
||
Suman Ghosh
|
8c97ab5448 |
octeontx2-pf: Fix graceful exit during PFC configuration failure
During PFC configuration failure the code was not handling a graceful
exit. This patch fixes the same and add proper code for a graceful exit.
Fixes:
|
||
duanqiangwen
|
738b54b9b6 |
net: libwx: fix memory leak on free page
ifconfig ethx up, will set page->refcount larger than 1,
and then ifconfig ethx down, calling __page_frag_cache_drain()
to free pages, it is not compatible with page pool.
So deleting codes which changing page->refcount.
Fixes:
|
||
Ira Weiny
|
ef3d5cf9c5 |
cxl/pmu: Ensure put_device on pmu devices
The following kmemleaks were detected when removing the cxl module
stack:
unreferenced object 0xffff88822616b800 (size 1024):
...
backtrace:
[<00000000bedc6f83>] kmalloc_trace+0x26/0x90
[<00000000448d1afc>] devm_cxl_pmu_add+0x3a/0x110 [cxl_core]
[<00000000ca3bfe16>] 0xffffffffa105213b
[<00000000ba7f78dc>] local_pci_probe+0x41/0x90
[<000000005bb027ac>] pci_device_probe+0xb0/0x1c0
...
unreferenced object 0xffff8882260abcc0 (size 16):
...
hex dump (first 16 bytes):
70 6d 75 5f 6d 65 6d 30 2e 30 00 26 82 88 ff ff pmu_mem0.0.&....
backtrace:
...
[<00000000152b5e98>] dev_set_name+0x43/0x50
[<00000000c228798b>] devm_cxl_pmu_add+0x102/0x110 [cxl_core]
[<00000000ca3bfe16>] 0xffffffffa105213b
[<00000000ba7f78dc>] local_pci_probe+0x41/0x90
[<000000005bb027ac>] pci_device_probe+0xb0/0x1c0
...
unreferenced object 0xffff8882272af200 (size 256):
...
backtrace:
[<00000000bedc6f83>] kmalloc_trace+0x26/0x90
[<00000000a14d1813>] device_add+0x4ea/0x890
[<00000000a3f07b47>] devm_cxl_pmu_add+0xbe/0x110 [cxl_core]
[<00000000ca3bfe16>] 0xffffffffa105213b
[<00000000ba7f78dc>] local_pci_probe+0x41/0x90
[<000000005bb027ac>] pci_device_probe+0xb0/0x1c0
...
devm_cxl_pmu_add() correctly registers a device remove function but it
only calls device_del() which is only part of device unregistration.
Properly call device_unregister() to free up the memory associated with
the device.
Fixes:
|
||
Lyude Paul
|
7ba84cbf18 |
drm/nouveau/kms/nv50-: Don't allow inheritance of headless iors
Turns out we made a silly mistake when coming up with OR inheritance on nouveau. On pre-DCB 4.1, iors are statically routed to output paths via the DCB. On later generations iors are only routed to an output path if they're actually being used. Unfortunately, it appears with NVIF_OUTP_INHERIT_V0 we make the mistake of assuming the later is true on all generations, which is currently leading us to return bogus ior -> head assignments through nvif, which causes WARN_ON(). So - fix this by verifying that we actually know that there's a head assigned to an ior before allowing it to be inherited through nvif. This -should- hopefully fix the WARN_ON on GT218 reported by Borislav. Signed-off-by: Lyude Paul <lyude@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Reported-by: Borislav Petkov (AMD) <bp@alien8.de> Tested-by: Borislav Petkov (AMD) <bp@alien8.de> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231214004359.1028109-1-lyude@redhat.com |
||
Thierry Reding
|
46dec61643 |
drm/nouveau: Fixup gk20a instobj hierarchy
Commit |
||
|
Linus Torvalds
|
3f7168591e |
four import client fixes addressing potential overflows, all marked for stable as well
-----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEE6fsu8pdIjtWE/DpLiiy9cAdyT1EFAmV7q7QACgkQiiy9cAdy T1G9EQv/fpdrMMDcivh3h8vzZTxR9kIDa971C/wEPgQb4CNtRp2LTfybg/OOeyPD qtdRVXyUs3fA/1/tCxfdo2Jan1E4iEFOkzGXv+EmolCpQ5Ye3tEsAwF6s5eP9pUc wR5/swzNFdVfW5BwoES7/RonMezc43OXWZY0Y/9NiaPZKV7i8NTz2ZlfDMjPkplL Pxlmiht62L11O3Ui4h8udVGaLagfbmbPt4MLfpuMupDFg071XA8Sz8AF0Wfqh2zu WxkTCGHD6Oj8GPp1gJcVUkLgugvSzeSmarTOgygZVF5/fIeFJKB8VrfqCxDZcxhe e4E4QEv6tfetutwuCFJejTHeNgrzvMOoR+tuw5/oci/W8msq0l91varSXf0TwUBc 7ZSnFIw92Oa4pG0zYV9SbTAxEwuoMbrUAXDvraT9AccBYFBZm66TVooR2rnTwRwc art398CiTdRcllP9g4ZI4ogxzkHHsVJnQ5w0h/R6/7Y1qLEqRcps84LwmSMYaK4y 5jad3mh9 =i6Gk -----END PGP SIGNATURE----- Merge tag '6.7-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6 Pull smb client fixes from Steve French: "Address OOBs and NULL dereference found by Dr. Morris's recent analysis and fuzzing. All marked for stable as well" * tag '6.7-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6: smb: client: fix OOB in smb2_query_reparse_point() smb: client: fix NULL deref in asn1_ber_decoder() smb: client: fix potential OOBs in smb2_parse_contexts() smb: client: fix OOB in receive_encrypted_standard() |
||
Jakub Kicinski
|
0225191a76 |
* add (and fix) certificate for regdb handover to Chen-Yu Tsai
* fix rfkill GPIO handling * a few driver (iwlwifi, mt76) crash fixes * logic fixes in the stack -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEpeA8sTs3M8SN2hR410qiO8sPaAAFAmV64zgACgkQ10qiO8sP aAB3FA/9GTRBM+4XdYkahmID5upj8MzKU8s8SBTl4t9n7nxGTA6gYZMnFaLUE7wP GBDOQ2A/MKFIItwT7O7lmtk7D42sOPy0UkRgDGx6qsVJCpHtscXjw7blkbZm4MDB mfs8Lt2l2PuhfUfAC6NF92UJ1gq2U+3bl9bXUiGLCS02hjsppt3CpoRXc7ANJ4DH 0vb3YfWwpUt7tEP0JwqTA2JSm+OEMPpo/VMk4Kzou2KOmxhkVyKGhfV8HJX4N6Rj OAbfo0KlzWjT3HAcit7gJC4wvQeplHgywvjQ0dAtFQY84jFGycwFrRbpTvMztLN1 SYiMVWyiKFlvT6iJR/qNaiumwbmBoznHw37YRAOmG94JsZdbvP11TTFHi8yqEDhD m8txSV8i85DSL8d8X8kB2PNPPaq2CVTsEsImCMLS4TaHS5zvOSQL+TayC92UQhb2 rhYmNwAH5HrmQ26AhDSLTj11rQDkb10q0NDT8yYPsDYPDywV+pxNAk0xeFAMMQy7 VSb45azxYH0F/+Kzg506BWkLiRapqJt/VFJLYvyArLCaazX+mDYvc6NAbW9n19eL 0J2xkpBWive7bNVrPjaLgN2JQxSw5Kfk+MNLkcO72Et1xcFJy75WCl5sr0wz2sHw Vhu22U9gyfna6EY35RJ6rPBR2EE9LkHJerX9MPuXZr2j8HJDTY0= =r/oR -----END PGP SIGNATURE----- Merge tag 'wireless-2023-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless Johannes Berg says: ==================== * add (and fix) certificate for regdb handover to Chen-Yu Tsai * fix rfkill GPIO handling * a few driver (iwlwifi, mt76) crash fixes * logic fixes in the stack * tag 'wireless-2023-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless: wifi: cfg80211: fix certs build to not depend on file order wifi: mt76: fix crash with WED rx support enabled wifi: iwlwifi: pcie: avoid a NULL pointer dereference wifi: mac80211: mesh_plink: fix matches_local logic wifi: mac80211: mesh: check element parsing succeeded wifi: mac80211: check defragmentation succeeded wifi: mac80211: don't re-add debugfs during reconfig net: rfkill: gpio: set GPIO direction wifi: mac80211: check if the existing link config remains unchanged wifi: cfg80211: Add my certificate wifi: iwlwifi: pcie: add another missing bh-disable for rxq->lock wifi: ieee80211: don't require protected vendor action frames ==================== Link: https://lore.kernel.org/r/20231214111515.60626-3-johannes@sipsolutions.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
e9b797dc7a |
mlx5-fixes-2023-12-13
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEGhZs6bAKwk/OTgTpSD+KveBX+j4FAmV6WMwACgkQSD+KveBX +j5HXgf/QHbnvi40Ygkr8Sb2j9y6N+S8YXqAXRHByBQTX3f2Atu30jWe0HMH+ykn DcPMj5GAzubo43wPyrQWLtMUCYPFKomk98TYGDlnlkPUcmz0CL9pAdSLoSrPczcl r0qAFMlVwrUKDCtw+wYG3BQ7KcN95CuqNX3CiXLB3N/OHHhVOzRD2/ITZXrkPUvi sZ/8VIAUPyB/HaIL15lzbcGHE13nSpoEqMRvt5lYS5g9XC16kna0J0yrRb8pcY+/ EAub9rClmNAiGZkTFWubrUgbamdZqjxeJAVim3jPHg/y/c0QhT47hRvCJaAiwQi8 BXihzr49ZGOwyxDWvIk1EqX0TygdOQ== =ArnK -----END PGP SIGNATURE----- Merge tag 'mlx5-fixes-2023-12-13' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux Saeed Mahameed says: ==================== mlx5 fixes 2023-12-13 This series provides bug fixes to mlx5 driver. * tag 'mlx5-fixes-2023-12-13' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux: net/mlx5e: Correct snprintf truncation handling for fw_version buffer used by representors net/mlx5e: Correct snprintf truncation handling for fw_version buffer net/mlx5e: Fix error codes in alloc_branch_attr() net/mlx5e: Fix error code in mlx5e_tc_action_miss_mapping_get() net/mlx5: Refactor mlx5_flow_destination->rep pointer to vport num net/mlx5: Fix fw tracer first block check net/mlx5e: XDP, Drop fragmented packets larger than MTU size net/mlx5e: Decrease num_block_tc when unblock tc offload net/mlx5e: Fix overrun reported by coverity net/mlx5e: fix a potential double-free in fs_udp_create_groups net/mlx5e: Fix a race in command alloc flow net/mlx5e: Fix slab-out-of-bounds in mlx5_query_nic_vport_mac_list() net/mlx5e: fix double free of encap_header Revert "net/mlx5e: fix double free of encap_header" Revert "net/mlx5e: fix double free of encap_header in update funcs" ==================== Link: https://lore.kernel.org/r/20231214012505.42666-1-saeed@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Jakub Kicinski
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2c1a4185a1 |
Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says: ==================== Intel Wired LAN Driver Updates 2023-12-13 (ice, i40e) This series contains updates to ice and i40e drivers. Michal Schmidt prevents possible out-of-bounds access for ice. Ivan Vecera corrects value for MDIO clause 45 on i40e. * '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue: i40e: Fix ST code value for Clause 45 ice: fix theoretical out-of-bounds access in ethtool link modes ==================== Link: https://lore.kernel.org/r/20231213220827.1311772-1-anthony.l.nguyen@intel.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Dave Airlie
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f8678a3368 |
Merge tag 'drm-misc-fixes-2023-12-14' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v6.7-rc6: - Fix regression for checking if FD is master capable. - Fix uninitialized variables in drm/crtc. - Fix ivpu w/a. - Refresh modes correctly when updating EDID. - Small panel fixes. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/2d46b68f-c5a4-45e5-beb4-411569f4aac8@linux.intel.com |