On 32-bit kernels, 64-bit syscall arguments are split into two
registers. For that to work with syscall wrappers, the prototype of the
syscall must have the argument split so that the wrapper macro properly
unpacks the arguments from pt_regs.
The fanotify_mark() syscall is one such syscall, which already has a
split prototype, guarded behind ARCH_SPLIT_ARG64.
So select ARCH_SPLIT_ARG64 to get that prototype and fix fanotify_mark()
on 32-bit kernels with syscall wrappers.
Note also that fanotify_mark() is the only usage of ARCH_SPLIT_ARG64.
Fixes: 7e92e01b72 ("powerpc: Provide syscall wrapper")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221101034852.2340319-1-mpe@ellerman.id.au
Recently, we got two syzkaller problems because of oversize packet
when napi frags enabled.
One of the problems is because the first seg size of the iov_iter
from user space is very big, it is 2147479538 which is bigger than
the threshold value for bail out early in __alloc_pages(). And
skb->pfmemalloc is true, __kmalloc_reserve() would use pfmemalloc
reserves without __GFP_NOWARN flag. Thus we got a warning as following:
========================================================
WARNING: CPU: 1 PID: 17965 at mm/page_alloc.c:5295 __alloc_pages+0x1308/0x16c4 mm/page_alloc.c:5295
...
Call trace:
__alloc_pages+0x1308/0x16c4 mm/page_alloc.c:5295
__alloc_pages_node include/linux/gfp.h:550 [inline]
alloc_pages_node include/linux/gfp.h:564 [inline]
kmalloc_large_node+0x94/0x350 mm/slub.c:4038
__kmalloc_node_track_caller+0x620/0x8e4 mm/slub.c:4545
__kmalloc_reserve.constprop.0+0x1e4/0x2b0 net/core/skbuff.c:151
pskb_expand_head+0x130/0x8b0 net/core/skbuff.c:1654
__skb_grow include/linux/skbuff.h:2779 [inline]
tun_napi_alloc_frags+0x144/0x610 drivers/net/tun.c:1477
tun_get_user+0x31c/0x2010 drivers/net/tun.c:1835
tun_chr_write_iter+0x98/0x100 drivers/net/tun.c:2036
The other problem is because odd IPv6 packets without NEXTHDR_NONE
extension header and have big packet length, it is 2127925 which is
bigger than ETH_MAX_MTU(65535). After ipv6_gso_pull_exthdrs() in
ipv6_gro_receive(), network_header offset and transport_header offset
are all bigger than U16_MAX. That would trigger skb->network_header
and skb->transport_header overflow error, because they are all '__u16'
type. Eventually, it would affect the value for __skb_push(skb, value),
and make it be a big value. After __skb_push() in ipv6_gro_receive(),
skb->data would less than skb->head, an out of bounds memory bug occurred.
That would trigger the problem as following:
==================================================================
BUG: KASAN: use-after-free in eth_type_trans+0x100/0x260
...
Call trace:
dump_backtrace+0xd8/0x130
show_stack+0x1c/0x50
dump_stack_lvl+0x64/0x7c
print_address_description.constprop.0+0xbc/0x2e8
print_report+0x100/0x1e4
kasan_report+0x80/0x120
__asan_load8+0x78/0xa0
eth_type_trans+0x100/0x260
napi_gro_frags+0x164/0x550
tun_get_user+0xda4/0x1270
tun_chr_write_iter+0x74/0x130
do_iter_readv_writev+0x130/0x1ec
do_iter_write+0xbc/0x1e0
vfs_writev+0x13c/0x26c
To fix the problems, restrict the packet size less than
(ETH_MAX_MTU - NET_SKB_PAD - NET_IP_ALIGN) which has considered reserved
skb space in napi_alloc_skb() because transport_header is an offset from
skb->head. Add len check in tun_napi_alloc_frags() simply.
Fixes: 90e33d4594 ("tun: enable napi_gro_frags() for TUN/TAP driver")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20221029094101.1653855-1-william.xuanziyang@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Changed maintainers for vnic driver, since Dany has new responsibilities.
Also added Nick Child as reviewer.
Signed-off-by: Rick Lindsley <ricklind@us.ibm.com>
Link: https://lore.kernel.org/r/20221028203509.4070154-1-ricklind@us.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
With the introduction of syscall wrappers all wrappers for syscalls with
64-bit arguments must be handled specially, not only those that have
unaligned 64-bit arguments. This left out the fallocate() and
sync_file_range2() syscalls.
Fixes: 7e92e01b72 ("powerpc: Provide syscall wrapper")
Fixes: e237506238 ("powerpc/32: fix syscall wrappers with 64-bit arguments of unaligned register-pairs")
Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/87mt9cxd6g.fsf_-_@igel.home
The macros are defined backwards.
This affects the following compat syscalls:
- compat_sys_truncate64()
- compat_sys_ftruncate64()
- compat_sys_fallocate()
- compat_sys_sync_file_range()
- compat_sys_fadvise64_64()
- compat_sys_readahead()
- compat_sys_pread64()
- compat_sys_pwrite64()
Fixes: 43d5de2b67 ("asm-generic: compat: Support BE for long long args in 32-bit ABIs")
Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
[mpe: Add list of affected syscalls]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/871qqoyvni.fsf_-_@igel.home
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Merge tag 'for-6.1-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"A few more fixes and regression fixes:
- fix a corner case when handling tree-mod-log chagnes in reallocated
notes
- fix crash on raid0 filesystems created with <5.4 mkfs.btrfs that
could lead to division by zero
- add missing super block checksum verification after thawing
filesystem
- handle one more case in send when dealing with orphan files
- fix parameter type mismatch for generation when reading dentry
- improved error handling in raid56 code
- better struct bio packing after recent cleanups"
* tag 'for-6.1-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: don't use btrfs_chunk::sub_stripes from disk
btrfs: fix type of parameter generation in btrfs_get_dentry
btrfs: send: fix send failure of a subcase of orphan inodes
btrfs: make thaw time super block check to also verify checksum
btrfs: fix tree mod log mishandling of reallocated nodes
btrfs: reorder btrfs_bio for better packing
btrfs: raid56: avoid double freeing for rbio if full_stripe_write() failed
btrfs: raid56: properly handle the error when unable to find the missing stripe
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Merge tag 'lsm-pr-20221031' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm
Pull LSM fix from Paul Moore:
"A single patch to the capabilities code to fix a potential memory leak
in the xattr allocation error handling"
* tag 'lsm-pr-20221031' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm:
capabilities: fix potential memleak on error path from vfs_getxattr_alloc()
When doing a direct IO write using a iocb with nowait and dsync set, we
end up not syncing the file once the write completes.
This is because we tell iomap to not call generic_write_sync(), which
would result in calling btrfs_sync_file(), in order to avoid a deadlock
since iomap can call it while we are holding the inode's lock and
btrfs_sync_file() needs to acquire the inode's lock. The deadlock happens
only if the write happens synchronously, when iomap_dio_rw() calls
iomap_dio_complete() before it returns. Instead we do the sync ourselves
at btrfs_do_write_iter().
For a nowait write however we can end up not doing the sync ourselves at
at btrfs_do_write_iter() because the write could have been queued, and
therefore we get -EIOCBQUEUED returned from iomap in such case. That makes
us skip the sync call at btrfs_do_write_iter(), as we don't do it for
any error returned from btrfs_direct_write(). We can't simply do the call
even if -EIOCBQUEUED is returned, since that would block the task waiting
for IO, both for the data since there are bios still in progress as well
as potentially blocking when joining a log transaction and when syncing
the log (writing log trees, super blocks, etc).
So let iomap do the sync call itself and in order to avoid deadlocks for
the case of synchronous writes (without nowait), use __iomap_dio_rw() and
have ourselves call iomap_dio_complete() after unlocking the inode.
A test case will later be sent for fstests, after this is fixed in Linus'
tree.
Fixes: 51bd9563b6 ("btrfs: fix deadlock due to page faults during direct IO reads and writes")
Reported-by: Марк Коренберг <socketpair@gmail.com>
Link: https://lore.kernel.org/linux-btrfs/CAEmTpZGRKbzc16fWPvxbr6AfFsQoLmz-Lcg-7OgJOZDboJ+SGQ@mail.gmail.com/
CC: stable@vger.kernel.org # 6.0+
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
After allocation 'dip' is tested instead of 'dip->csums'. Fix it.
Fixes: 642c5d34da ("btrfs: allocate the btrfs_dio_private as part of the iomap dio bio")
CC: stable@vger.kernel.org # 5.19+
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Avoid that the hardware path is shown twice in the kernel log, and clean
up the output of the version numbers to show up in the same order as
they are listed in the hardware database in the hardware.c file.
Additionally, optimize the memory footprint of the hardware database
and mark some code as init code.
Fixes: cab56b51ec ("parisc: Fix device names in /proc/iomem")
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org> # v4.9+
Since commit a5810f551d ("drm/i915: Allow more varied alternate
fixed modes for panels") intel_panel_add_edid_alt_fixed_modes()
no longer considers vrr vs. drrs separately. So no reason to
pass them as separate parameters either.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220927180615.25476-2-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit eb89e83c152b122a94e79527d63cb7c79823c37e)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Call intel_sdvo_select_ddc_bus() before initializing any
of the outputs. And before that is functional (assuming no VBT)
we have to set up the controlled_outputs thing. Otherwise DDC
won't be functional during the output init but LVDS really
needs it for the fixed mode setup.
Note that the whole multi output support still looks very
bogus, and more work will be needed to make it correct.
But for now this should at least fix the LVDS EDID fixed mode
setup.
Cc: stable@vger.kernel.org
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/7301
Fixes: aa2b88074a ("drm/i915/sdvo: Fix multi function encoder stuff")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221026101134.20865-3-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 64b7b557dc8a96d9cfed6aedbf81de2df80c025d)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
We try to filter out the corresponding xxx1 output
if the xxx0 output is not present. But the way that is
being done is pretty awkward. Make it less so.
Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221026101134.20865-2-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit cc1e66394daaa7e9f005e2487a84e34a39f9308b)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
swiotlb_max_segment used to return either the maximum size that swiotlb
could bounce, or for Xen PV PAGE_SIZE even if swiotlb could bounce buffer
larger mappings. This made i915 on Xen PV work as it bypasses the
coherency aspect of the DMA API and can't cope with bounce buffering
and this avoided bounce buffering for the Xen/PV case.
So instead of adding this hack back, check for Xen/PV directly in i915
for the Xen case and otherwise use the proper DMA API helper to query
the maximum mapping size.
Replace swiotlb_max_segment() calls with dma_max_mapping_size().
In i915_gem_object_get_pages_internal() no longer consider max_segment
only if CONFIG_SWIOTLB is enabled. There can be other (iommu related)
causes of specific max segment sizes.
Fixes: a2daa27c0c ("swiotlb: simplify swiotlb_max_segment")
Reported-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Signed-off-by: Robert Beckett <bob.beckett@collabora.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
[hch: added the Xen hack, rewrote the changelog]
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221020110308.1582518-1-hch@lst.de
(cherry picked from commit 78a07fe777c42800bd1adaec12abe5dcee43919e)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Accessing the TypeC DKL PHY registers during modeset-commit,
-verification, DP link-retraining and AUX power well toggling is racy
due to these code paths being concurrent and the PHY register bank
selection register (HIP_INDEX_REG) being shared between PHY instances
(aka TC ports) and the bank selection being not atomic wrt. the actual
PHY register access.
Add the required locking around each PHY register bank selection->
register access sequence.
Kudos to Ville for noticing the race conditions.
v2:
- Add the DKL PHY register accessors to intel_dkl_phy.[ch]. (Jani)
- Make the DKL_REG_TC_PORT macro independent of PHY internals.
- Move initing the DKL PHY lock to a more logical place.
v3:
- Fix parameter reuse in the DKL_REG_TC_PORT definition.
- Document the usage of phy_lock.
v4:
- Fix adding TC_PORT_1 offset in the DKL_REG_TC_PORT definition.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: <stable@vger.kernel.org> # v5.5+
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221025114457.2191004-1-imre.deak@intel.com
(cherry picked from commit 89cb0ba4ceee6bed1059904859c5723b3f39da68)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
We can't use "skb" again after passing it to qdisc_enqueue(). This is
basically identical to commit 2f09707d0c ("sch_sfb: Also store skb
len before calling child enqueue").
Fixes: d7f4f332f0 ("sch_red: update backlog as well")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If devm_platform_ioremap_resource() fails, it never return
NULL pointer, replace the check with IS_ERR().
Fixes: 57bf0f5a16 ("ARM: pxa: use pdev resource for palmld mmio")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Clang gives a warning when compiling pata_legacy.c with 'make W=1' about
the 'rt' local variable in pdc20230_set_piomode() being set but unused.
Quite obviously, there is an outb() call missing to write back the updated
variable. Moreover, checking the docs by Petr Soucek revealed that bitwise
AND should have been done with a negated timing mask and the master/slave
timing masks were swapped while updating...
Fixes: 669a5db411 ("[libata] Add a bunch of PATA drivers.")
Reported-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
The ndo_start_xmit() method must not free skb when returning
NETDEV_TX_BUSY, since caller is going to requeue freed skb.
Fix it by returning NETDEV_TX_OK in case of dma_map_single() fails.
Fixes: 79f339125e ("net: fec: Add software TSO support")
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drm_fb_build_fourcc_list() currently returns all emulated formats
unconditionally as long as the native format is among them, even though
not all combinations have conversion helpers. Although the list is
arguably provided to userspace in precedence order, userspace can pick
something out-of-order (and thus break when it shouldn't), or simply
only support a format that is unsupported (and thus think it can work,
which results in the appearance of a hang as FB blits fail later on,
instead of the initialization error you'd expect in this case).
Add checks to filter the list of emulated formats to only those
supported for conversion to the native format. This presumes that there
is a single native format (only the first is checked, if there are
multiple). Refactoring this API to drop the native list or support it
properly (by returning the appropriate emulated->native mapping table)
is left for a future patch.
The simpledrm driver is left as-is with a full table of emulated
formats. This keeps all currently working conversions available and
drops all the broken ones (i.e. this a strict bugfix patch, adding no
new supported formats nor removing any actually working ones). In order
to avoid proliferation of emulated formats, future drivers should
advertise only XRGB8888 as the sole emulated format (since some
userspace assumes its presence).
This fixes a real user regression where the ?RGB2101010 support commit
started advertising it unconditionally where not supported, and KWin
decided to start to use it over the native format and broke, but also
the fixes the spurious RGB565/RGB888 formats which have been wrongly
unconditionally advertised since the dawn of simpledrm.
Fixes: 6ea966fca0 ("drm/simpledrm: Add [AX]RGB2101010 formats")
Fixes: 11e8f5fd22 ("drm: Add simpledrm driver")
Cc: stable@vger.kernel.org
Signed-off-by: Hector Martin <marcan@marcan.st>
Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20221027135711.24425-1-marcan@marcan.st
There's a build failure for Book3E without AltiVec:
Error: cc1: error: AltiVec not supported in this target
make[6]: *** [/linux/scripts/Makefile.build:250:
drivers/gpu/drm/amd/amdgpu/../display/dc/dml/display_mode_lib.o] Error 1
This happens because the amdgpu build is only gated by
PPC_LONG_DOUBLE_128, but that symbol can be enabled even though AltiVec
is disabled.
The only user of PPC_LONG_DOUBLE_128 is amdgpu, so just add a dependency
on AltiVec to that symbol to fix the build.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221027125626.1383092-1-mpe@ellerman.id.au
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Merge tag 'v6.1-rc2' into fixes
Merge rc2 into our fixes branch, which was based on rc1 but wasn't
merged until rc3, so that for the remainder of the release our fixes
branch will be based on rc2 for the purposes of resolving conflicts with
other trees (if necessary).
Shang XiaoJing says:
====================
nfc: Fix potential memory leak of skb
There are 6 kinds of send functions can be called by nci_send_frame():
virtual_nci_send(),
fdp_nci_send(),
nxp_nci_send(),
s3fwrn5_nci_send(),
nfcmrvl_nci_send(),
st_nci_send();
1. virtual_nci_send() will memleak the skb, and has been fixed before.
2. fdp_nci_send() won't free the skb no matter whether write() succeed.
3-4. nxp_nci_send() and s3fwrn5_nci_send() will only free the skb when
write() failed, however write() will not free the skb by itself for when
succeeds.
5. nfcmrvl_nci_send() will call nfcmrvl_XXX_nci_send(), where some of
them will free the skb, but nfcmrvl_i2c_nci_send() only free the skb
when i2c_master_send() return >=0, and memleak will happen when
i2c_master_send() failed in nfcmrvl_i2c_nci_send().
6. st_nci_send() will queue the skb into other list and finally be
freed.
Fix the potential memory leak of skb.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
nfcmrvl_i2c_nci_send() will be called by nfcmrvl_nci_send(), and skb
should be freed in nfcmrvl_i2c_nci_send(). However, nfcmrvl_nci_send()
will only free skb when i2c_master_send() return >=0, which means skb
will memleak when i2c_master_send() failed. Free skb no matter whether
i2c_master_send() succeeds.
Fixes: b5b3e23e4c ("NFC: nfcmrvl: add i2c driver")
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
s3fwrn5_nci_send() will call s3fwrn5_i2c_write() or s3fwrn82_uart_write(),
and free the skb if write() failed. However, even if the write() run
succeeds, the skb will not be freed in write(). As the result, the skb
will memleak. s3fwrn5_nci_send() should also free the skb when write()
succeeds.
Fixes: c04c674fad ("nfc: s3fwrn5: Add driver for Samsung S3FWRN5 NFC Chip")
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
nxp_nci_send() will call nxp_nci_i2c_write(), and only free skb when
nxp_nci_i2c_write() failed. However, even if the nxp_nci_i2c_write()
run succeeds, the skb will not be freed in nxp_nci_i2c_write(). As the
result, the skb will memleak. nxp_nci_send() should also free the skb
when nxp_nci_i2c_write() succeeds.
Fixes: dece45855a ("NFC: nxp-nci: Add support for NXP NCI chips")
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
fdp_nci_send() will call fdp_nci_i2c_write that will not free skb in
the function. As a result, when fdp_nci_i2c_write() finished, the skb
will memleak. fdp_nci_send() should free skb after fdp_nci_i2c_write()
finished.
Fixes: a06347c04c ("NFC: Add Intel Fields Peak NFC solution driver")
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A use-after-free bugfix in the smscufx driver and various minor
error path fixes, smaller build fixes, sysfs fixes and
typos in comments in the stifb, sisfb, da8xxfb, xilinxfb, sm501fb,
gbefb and cyber2000fb drivers.
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Merge tag 'fbdev-for-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull fbdev fixes from Helge Deller:
"A use-after-free bugfix in the smscufx driver and various minor error
path fixes, smaller build fixes, sysfs fixes and typos in comments in
the stifb, sisfb, da8xxfb, xilinxfb, sm501fb, gbefb and cyber2000fb
drivers"
* tag 'fbdev-for-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
fbdev: cyber2000fb: fix missing pci_disable_device()
fbdev: sisfb: use explicitly signed char
fbdev: smscufx: Fix several use-after-free bugs
fbdev: xilinxfb: Make xilinxfb_release() return void
fbdev: sisfb: fix repeated word in comment
fbdev: gbefb: Convert sysfs snprintf to sysfs_emit
fbdev: sm501fb: Convert sysfs snprintf to sysfs_emit
fbdev: stifb: Fall back to cfb_fillrect() on 32-bit HCRX cards
fbdev: da8xx-fb: Fix error handling in .remove()
fbdev: MIPS supports iomem addresses
Here are some small driver fixes for 6.1-rc3. They include:
- iio driver bugfixes
- counter driver bugfixes
- coresight bugfixes, including a revert and then a second
fix to get it right.
All of these have been in linux-next with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH:
"Some small driver fixes for 6.1-rc3. They include:
- iio driver bugfixes
- counter driver bugfixes
- coresight bugfixes, including a revert and then a second fix to get
it right.
All of these have been in linux-next with no reported problems"
* tag 'char-misc-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (21 commits)
misc: sgi-gru: use explicitly signed char
coresight: cti: Fix hang in cti_disable_hw()
Revert "coresight: cti: Fix hang in cti_disable_hw()"
counter: 104-quad-8: Fix race getting function mode and direction
counter: microchip-tcb-capture: Handle Signal1 read and Synapse
coresight: cti: Fix hang in cti_disable_hw()
coresight: Fix possible deadlock with lock dependency
counter: ti-ecap-capture: fix IS_ERR() vs NULL check
counter: Reduce DEFINE_COUNTER_ARRAY_POLARITY() to defining counter_array
iio: bmc150-accel-core: Fix unsafe buffer attributes
iio: adxl367: Fix unsafe buffer attributes
iio: adxl372: Fix unsafe buffer attributes
iio: at91-sama5d2_adc: Fix unsafe buffer attributes
iio: temperature: ltc2983: allocate iio channels once
tools: iio: iio_utils: fix digit calculation
iio: adc: stm32-adc: fix channel sampling time init
iio: adc: mcp3911: mask out device ID in debug prints
iio: adc: mcp3911: use correct id bits
iio: adc: mcp3911: return proper error code on failure to allocate trigger
iio: adc: mcp3911: fix sizeof() vs ARRAY_SIZE() bug
...
Here are a few small USB fixes for 6.1-rc3. Include in here are:
- MAINTAINERS update, including a big one for the USB gadget
subsystem. Many thanks to Felipe for all of the years of hard
work he has done on this codebase, it was greatly appreciated.
- dwc3 driver fixes for reported problems.
- xhci driver fixes for reported problems.
- typec driver fixes for minor issues
- uvc gadget driver change, and then revert as it wasn't
relevant for 6.1-final, as it is a new feature and people are
still reviewing and modifying it.
All of these have been in the linux-next tree with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"A few small USB fixes for 6.1-rc3. Include in here are:
- MAINTAINERS update, including a big one for the USB gadget
subsystem. Many thanks to Felipe for all of the years of hard work
he has done on this codebase, it was greatly appreciated.
- dwc3 driver fixes for reported problems.
- xhci driver fixes for reported problems.
- typec driver fixes for minor issues
- uvc gadget driver change, and then revert as it wasn't relevant for
6.1-final, as it is a new feature and people are still reviewing
and modifying it.
All of these have been in the linux-next tree with no reported issues"
* tag 'usb-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: dwc3: gadget: Don't set IMI for no_interrupt
usb: dwc3: gadget: Stop processing more requests on IMI
Revert "usb: gadget: uvc: limit isoc_sg to super speed gadgets"
xhci: Remove device endpoints from bandwidth list when freeing the device
xhci-pci: Set runtime PM as default policy on all xHC 1.2 or later devices
xhci: Add quirk to reset host back to default state at shutdown
usb: xhci: add XHCI_SPURIOUS_SUCCESS to ASM1042 despite being a V0.96 controller
usb: dwc3: st: Rely on child's compatible instead of name
usb: gadget: uvc: limit isoc_sg to super speed gadgets
usb: bdc: change state when port disconnected
usb: typec: ucsi: acpi: Implement resume callback
usb: typec: ucsi: Check the connection on resume
usb: gadget: aspeed: Fix probe regression
usb: gadget: uvc: fix sg handling during video encode
usb: gadget: uvc: fix sg handling in error case
usb: gadget: uvc: fix dropped frame after missed isoc
usb: dwc3: gadget: Don't delay End Transfer on delayed_status
usb: dwc3: Don't switch OTG -> peripheral if extcon is present
MAINTAINERS: Update maintainers for broadcom USB
MAINTAINERS: move USB gadget and phy entries under the main USB entry
- convert gpio-tegra to using an immutable irqchip
- MAINTAINERS update
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Merge tag 'gpio-fixes-for-v6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- convert gpio-tegra to using an immutable irqchip
- MAINTAINERS update
* tag 'gpio-fixes-for-v6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
MAINTAINERS: Change myself to a maintainer
gpio: tegra: Convert to immutable irq chip
- Add Alder and Raptor Lakes support to RAPL
- Make sure raw sample data is output with tracepoints
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Merge tag 'perf_urgent_for_v6.1_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Borislav Petkov:
- Rename a perf memory level event define to denote it is of CXL type
- Add Alder and Raptor Lakes support to RAPL
- Make sure raw sample data is output with tracepoints
* tag 'perf_urgent_for_v6.1_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/mem: Rename PERF_MEM_LVLNUM_EXTN_MEM to PERF_MEM_LVLNUM_CXL
perf/x86/rapl: Add support for Intel Raptor Lake
perf/x86/rapl: Add support for Intel AlderLake-N
perf: Fix missing raw data on tracepoint events
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Merge tag '6.1-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
- use after free fix for reconnect race
- two memory leak fixes
* tag '6.1-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: fix use-after-free caused by invalid pointer `hostname`
cifs: Fix pages leak when writedata alloc failed in cifs_write_from_iter()
cifs: Fix pages array leak when writedata alloc failed in cifs_writedata_alloc()
Fix warnings and enable Wall.
pidfd_wait.c: In function ‘wait_nonblock’:
pidfd_wait.c:150:13: warning: unused variable ‘status’ [-Wunused-variable]
150 | int pidfd, status = 0;
| ^~~~~~
...
pidfd_test.c: In function ‘child_poll_exec_test’:
pidfd_test.c:438:1: warning: no return statement in function returning non-void [-Wreturn-type]
438 | }
| ^
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
v2: fix mistake assignment to pidfd
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
0Day/LKP observed that the kselftest blocks forever since one of the
pidfd_wait doesn't terminate in 1 of 30 runs. After digging into
the source, we found that it blocks at:
ASSERT_EQ(sys_waitid(P_PIDFD, pidfd, &info, WCONTINUED, NULL), 0);
wait_states has below testing flow:
CHILD PARENT
---------------+--------------
1 STOP itself
2 WAIT for CHILD STOPPED
3 SIGNAL CHILD to CONT
4 CONT
5 STOP itself
5' WAIT for CHILD CONT
6 WAIT for CHILD STOPPED
The problem is that the kernel cannot ensure the order of 5 and 5', once
5 goes first, the test will fail.
we can reproduce it by:
$ while true; do make run_tests -C pidfd; done
Introduce a blocking read in child process to make sure the parent can
check its WCONTINUED.
CC: Philip Li <philip.li@intel.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Merge tag 'random-6.1-rc3-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
Pull random number generator fix from Jason Donenfeld:
"One fix from Jean-Philippe Brucker, addressing a regression in which
early boot code on ARM64 would use the non-_early variant of the
arch_get_random family of functions, resulting in the architectural
random number generator appearing unavailable during that early phase
of boot.
The fix simply changes arch_get_random*() to arch_get_random*_early().
This distinction between these two functions is a bit of an old wart
I'm not a fan of, and for 6.2 I'll see if I can make obsolete the
_early variant, so that one function does the right thing in all
contexts without overhead"
* tag 'random-6.1-rc3-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
random: use arch_get_random*_early() in random_init()
21 small fixes, all in drivers. Some of these arrived during the
merge window and got held over to make sure of testing on the -rc
tree. The biggest change is for Standards conformance in the target
driver, closely followed by a set of bug fixes in megaraid_sas.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Varions small fixes, all in drivers.
Some of these arrived during the merge window and got held over to
make sure of testing on the -rc tree.
The biggest change is for standards conformance in the target driver,
closely followed by a set of bug fixes in megaraid_sas"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (21 commits)
scsi: ufs: core: Fix typo in comment
scsi: mpi3mr: Select CONFIG_SCSI_SAS_ATTRS
scsi: ufs: core: Fix typo for register name in comments
scsi: pm80xx: Display proc_name in sysfs
scsi: ufs: core: Fix the error log in ufshcd_query_flag_retry()
scsi: ufs: core: Remove unneeded casts from void *
scsi: lpfc: Fix spelling mistake "unsolicted" -> "unsolicited"
scsi: qla2xxx: Use transport-defined speed mask for supported_speeds
scsi: target: iblock: Fold iblock_emulate_read_cap_with_block_size() into iblock_get_blocks()
scsi: qla2xxx: Fix serialization of DCBX TLV data request
scsi: ufs: qcom: Remove redundant dev_err() call
scsi: megaraid_sas: Move megasas_dbg_lvl init to megasas_init()
scsi: megaraid_sas: Remove unnecessary memset()
scsi: megaraid_sas: Simplify megasas_update_device_list
scsi: megaraid_sas: Correct an error message
scsi: megaraid_sas: Correct value passed to scsi_device_lookup()
scsi: target: core: UA on all LUNs after reset
scsi: target: core: New key must be used for moved PR
scsi: target: core: Abort all preempted regs if requested
scsi: target: core: Fix memory leak in preempt_and_abort
...
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Merge tag 'block-6.1-2022-10-28' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- NVMe pull request via Christoph:
- make the multipath dma alignment match the non-multipath one
(Keith Busch)
- fix a bogus use of sg_init_marker() (Nam Cao)
- fix circulr locking in nvme-tcp (Sagi Grimberg)
- Initialization fix for requests allocated via the special hw queue
allocator (John)
- Fix for a regression added in this release with the batched
completions of end_io backed requests (Ming)
- Error handling leak fix for rbd (Yang)
- Error handling leak fix for add_disk() failure (Yu)
* tag 'block-6.1-2022-10-28' of git://git.kernel.dk/linux:
blk-mq: Properly init requests from blk_mq_alloc_request_hctx()
blk-mq: don't add non-pt request with ->end_io to batch
rbd: fix possible memory leak in rbd_sysfs_init()
nvme-multipath: set queue dma alignment to 3
nvme-tcp: fix possible circular locking when deleting a controller under memory pressure
nvme-tcp: replace sg_init_marker() with sg_init_table()
block: fix memory leak for elevator on add_disk failure
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Merge tag 'io_uring-6.1-2022-10-28' of git://git.kernel.dk/linux
Pull io_uring fix from Jens Axboe:
"Just a fix for a locking regression introduced with the deferred
task_work running from this merge window"
* tag 'io_uring-6.1-2022-10-28' of git://git.kernel.dk/linux:
io_uring: unlock if __io_run_local_work locked inside
io_uring: use io_run_local_work_locked helper
Eight fix pre-6.0 bugs and the remainder address issues which were
introduced in the 6.1-rc merge cycle, or address issues which aren't
considered sufficiently serious to warrant a -stable backport.
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Merge tag 'mm-hotfixes-stable-2022-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc hotfixes from Andrew Morton:
"Eight fix pre-6.0 bugs and the remainder address issues which were
introduced in the 6.1-rc merge cycle, or address issues which aren't
considered sufficiently serious to warrant a -stable backport"
* tag 'mm-hotfixes-stable-2022-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (23 commits)
mm: multi-gen LRU: move lru_gen_add_mm() out of IRQ-off region
lib: maple_tree: remove unneeded initialization in mtree_range_walk()
mmap: fix remap_file_pages() regression
mm/shmem: ensure proper fallback if page faults
mm/userfaultfd: replace kmap/kmap_atomic() with kmap_local_page()
x86: fortify: kmsan: fix KMSAN fortify builds
x86: asm: make sure __put_user_size() evaluates pointer once
Kconfig.debug: disable CONFIG_FRAME_WARN for KMSAN by default
x86/purgatory: disable KMSAN instrumentation
mm: kmsan: export kmsan_copy_page_meta()
mm: migrate: fix return value if all subpages of THPs are migrated successfully
mm/uffd: fix vma check on userfault for wp
mm: prep_compound_tail() clear page->private
mm,madvise,hugetlb: fix unexpected data loss with MADV_DONTNEED on hugetlbfs
mm/page_isolation: fix clang deadcode warning
fs/ext4/super.c: remove unused `deprecated_msg'
ipc/msg.c: fix percpu_counter use after free
memory tier, sysfs: rename attribute "nodes" to "nodelist"
MAINTAINERS: git://github.com -> https://github.com for nilfs2
mm/kmemleak: prevent soft lockup in kmemleak_scan()'s object iteration loops
...
- Fix a case of rescheduling with user access unlocked, when preempt is enabled.
- A follow-up fix for a recent fix, which could lead to IRQ state assertions firing
incorrectly.
- Two fixes for lockdep warnings seen when using kfence with the Hash MMU.
- Two fixes for preempt warnings seen when using the Hash MMU.
- Two fixes for the VAS coprocessor mechanism used on pseries.
- Prevent building some of our older KVM backends when CONTEXT_TRACKING_USER is enabled,
as it's known to cause crashes.
- A couple of fixes for issues seen with PMU NMIs.
Thanks to: Nicholas Piggin, Guenter Roeck, Frederic Barrat Haren Myneni, Sachin Sant,
Samuel Holland.
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Merge tag 'powerpc-6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix a case of rescheduling with user access unlocked, when preempt is
enabled.
- A follow-up fix for a recent fix, which could lead to IRQ state
assertions firing incorrectly.
- Two fixes for lockdep warnings seen when using kfence with the Hash
MMU.
- Two fixes for preempt warnings seen when using the Hash MMU.
- Two fixes for the VAS coprocessor mechanism used on pseries.
- Prevent building some of our older KVM backends when
CONTEXT_TRACKING_USER is enabled, as it's known to cause crashes.
- A couple of fixes for issues seen with PMU NMIs.
Thanks to Nicholas Piggin, Guenter Roeck, Frederic Barrat Haren Myneni,
Sachin Sant, and Samuel Holland.
* tag 'powerpc-6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/64s/interrupt: Fix clear of PACA_IRQS_HARD_DIS when returning to soft-masked context
powerpc/64s/interrupt: Perf NMI should not take normal exit path
powerpc/64/interrupt: Prevent NMI PMI causing a dangerous warning
KVM: PPC: BookS PR-KVM and BookE do not support context tracking
powerpc: Fix reschedule bug in KUAP-unlocked user copy
powerpc/64s: Fix hash__change_memory_range preemption warning
powerpc/64s: Disable preemption in hash lazy mmu mode
powerpc/64s: make linear_map_hash_lock a raw spinlock
powerpc/64s: make HPTE lock and native_tlbie_lock irq-safe
powerpc/64s: Add lockdep for HPTE lock
powerpc/pseries: Use lparcfg to reconfig VAS windows for DLPAR CPU
powerpc/pseries/vas: Add VAS IRQ primary handler
The vop2 driver needs to explicitly disable the planes if the crtc is
disabled. Unless the planes are explicitly disabled, the address of the
last framebuffer is kept in the registers of the VOP2. When re-enabling
the encoder after it has been disabled by the driver, the VOP2 will
start and read the framebuffer that has been freed but is still pointed
to by the register. The iommu will catch these read accesses and print
errors.
Explicitly disable the planes when the crtc is disabled to reset the
registers.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20221028095206.2136601-3-m.tretter@pengutronix.de
If the vop2_plane_atomic_disable function is called with NULL as a
state, accessing the old_pstate runs into a null pointer exception.
However, the drm_atomic_helper_disable_planes_on_crtc function calls the
atomic_disable callback with state NULL.
Allow to disable a plane without passing a plane state by checking the
old_pstate only if a state is passed.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20221028095206.2136601-2-m.tretter@pengutronix.de
lcdsel_grf_reg is defined as u32, so "< 0" comaprison is always false,
which breaks VOP selection on eg. RK3399. Compare against 0.
Fixes: f3aaa6125b ("drm/rockchip: dsi: add rk3568 support")
Signed-off-by: Ondrej Jirman <megi@xff.cz>
Tested-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20221023160747.607943-1-megi@xff.cz
When switching to the generic fbdev infrastructure, it was missed that
framebuffers were created with the alloc_kmap parameter to
rockchip_gem_create_object() set to true. The generic infrastructure
calls this via the .dumb_create() driver operation and thus creates a
buffer without an associated kmap.
alloc_kmap only makes a difference on devices without an IOMMU, but when
it is missing rockchip_gem_prime_vmap() fails and the framebuffer cannot
be used.
Detect the case where a buffer is being allocated for the framebuffer
and ensure a kernel mapping is created in this case.
Fixes: 24af7c34b2 ("drm/rockchip: use generic fbdev setup")
Reported-by: Johan Jonker <jbx6244@gmail.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: John Keeping <john@metanate.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20221020181248.2497065-1-john@metanate.com
We can't safely probe a dual-DSI display asynchronously
(driver_async_probe='*' or driver_async_probe='dw-mipi-dsi-rockchip'
cmdline), because dw_mipi_dsi_rockchip_find_second() pokes one DSI
device's drvdata from the other device without any locking.
Request synchronous probe, at least until this driver learns some
appropriate locking for dual-DSI initialization.
Cc: <stable@vger.kernel.org>
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20221019170255.2.I6b985b0ca372b7e35c6d9ea970b24bcb262d4fc1@changeid
If we fail to attach the first time (especially: EPROBE_DEFER), we fail
to clean up 'usage_mode', and thus will fail to attach on any subsequent
attempts, with "dsi controller already in use".
Re-set to DW_DSI_USAGE_IDLE on attach failure.
This is especially common to hit when enabling asynchronous probe on a
duel-DSI system (such as RK3399 Gru/Scarlet), such that we're more
likely to fail dw_mipi_dsi_rockchip_find_second() the first time.
Fixes: 71f68fe7f1 ("drm/rockchip: dsi: add ability to work as a phy instead of full dsi")
Cc: <stable@vger.kernel.org>
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20221019170255.1.Ia68dfb27b835d31d22bfe23812baf366ee1c6eac@changeid
