with the following tdc testcase:
83be: (qdisc, fq_pie) Create FQ-PIE with invalid number of flows
as fq_pie_init() fails, fq_pie_destroy() is called to clean up. Since the
timer is not yet initialized, it's possible to observe a splat like this:
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 975 Comm: tc Not tainted 5.10.0-rc4+ #298
Hardware name: Red Hat KVM, BIOS 1.11.1-4.module+el8.1.0+4066+0f1aadab 04/01/2014
Call Trace:
dump_stack+0x99/0xcb
register_lock_class+0x12dd/0x1750
__lock_acquire+0xfe/0x3970
lock_acquire+0x1c8/0x7f0
del_timer_sync+0x49/0xd0
fq_pie_destroy+0x3f/0x80 [sch_fq_pie]
qdisc_create+0x916/0x1160
tc_modify_qdisc+0x3c4/0x1630
rtnetlink_rcv_msg+0x346/0x8e0
netlink_unicast+0x439/0x630
netlink_sendmsg+0x719/0xbf0
sock_sendmsg+0xe2/0x110
____sys_sendmsg+0x5ba/0x890
___sys_sendmsg+0xe9/0x160
__sys_sendmsg+0xd3/0x170
do_syscall_64+0x33/0x40
entry_SYSCALL_64_after_hwframe+0x44/0xa9
[...]
ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0
WARNING: CPU: 0 PID: 975 at lib/debugobjects.c:508 debug_print_object+0x162/0x210
[...]
Call Trace:
debug_object_assert_init+0x268/0x380
try_to_del_timer_sync+0x6a/0x100
del_timer_sync+0x9e/0xd0
fq_pie_destroy+0x3f/0x80 [sch_fq_pie]
qdisc_create+0x916/0x1160
tc_modify_qdisc+0x3c4/0x1630
rtnetlink_rcv_msg+0x346/0x8e0
netlink_rcv_skb+0x120/0x380
netlink_unicast+0x439/0x630
netlink_sendmsg+0x719/0xbf0
sock_sendmsg+0xe2/0x110
____sys_sendmsg+0x5ba/0x890
___sys_sendmsg+0xe9/0x160
__sys_sendmsg+0xd3/0x170
do_syscall_64+0x33/0x40
entry_SYSCALL_64_after_hwframe+0x44/0xa9
fix it moving timer_setup() before any failure, like it was done on 'red'
with former commit 608b4adab1 ("net_sched: initialize timer earlier in
red_init()").
Fixes: ec97ecf1eb ("net: sched: add Flow Queue PIE packet scheduler")
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Reviewed-by: Cong Wang <cong.wang@bytedance.com>
Link: https://lore.kernel.org/r/2e78e01c504c633ebdff18d041833cf2e079a3a4.1607020450.git.dcaratti@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When the instances were able to use their own options, the userstacktrace
option was left hardcoded for the top level. This made the instance
userstacktrace option bascially into a nop, and will confuse users that set
it, but nothing happens (I was confused when it happened to me!)
Cc: stable@vger.kernel.org
Fixes: 16270145ce ("tracing: Add trace options for core options to instances")
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Restores splitting in terms of varied per-target ti->max_io_len
rather than use block core's single stacked 'chunk_sectors' limit.
- Like DM crypt, update DM integrity to not use crypto drivers that
have CRYPTO_ALG_ALLOCATES_MEMORY set.
- Fix DM writecache target's argument parsing and status display.
- Remove needless BUG() from dm writecache's persistent_memory_claim()
- Remove old gcc workaround in DM cache target's block_div() for ARM
link errors now that gcc >= 4.9 is required.
- Fix RCU locking in dm_blk_report_zones and dm_dax_zero_page_range.
- Remove old, and now frowned upon, BUG_ON(in_interrupt()) in
dm_table_event().
- Remove invalid sparse annotations from dm_prepare_ioctl() and
dm_unprepare_ioctl().
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Merge tag 'for-5.10/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- Fix DM's bio splitting changes that were made during v5.9. This
restores splitting in terms of varied per-target ti->max_io_len
rather than use block core's single stacked 'chunk_sectors' limit.
- Like DM crypt, update DM integrity to not use crypto drivers that
have CRYPTO_ALG_ALLOCATES_MEMORY set.
- Fix DM writecache target's argument parsing and status display.
- Remove needless BUG() from dm writecache's persistent_memory_claim()
- Remove old gcc workaround in DM cache target's block_div() for ARM
link errors now that gcc >= 4.9 is required.
- Fix RCU locking in dm_blk_report_zones and dm_dax_zero_page_range.
- Remove old, and now frowned upon, BUG_ON(in_interrupt()) in
dm_table_event().
- Remove invalid sparse annotations from dm_prepare_ioctl() and
dm_unprepare_ioctl().
* tag 'for-5.10/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm: remove invalid sparse __acquires and __releases annotations
dm: fix double RCU unlock in dm_dax_zero_page_range() error path
dm: fix IO splitting
dm writecache: remove BUG() and fail gracefully instead
dm table: Remove BUG_ON(in_interrupt())
dm: fix bug with RCU locking in dm_blk_report_zones
Revert "dm cache: fix arm link errors with inline"
dm writecache: fix the maximum number of arguments
dm writecache: advance the number of arguments when reporting max_age
dm integrity: don't use drivers that have CRYPTO_ALG_ALLOCATES_MEMORY
Fixes sparse warnings:
drivers/md/dm.c:508:12: warning: context imbalance in 'dm_prepare_ioctl' - wrong count at exit
drivers/md/dm.c:543:13: warning: context imbalance in 'dm_unprepare_ioctl' - wrong count at exit
Fixes: 971888c469 ("dm: hold DM table for duration of ioctl rather than use blkdev_get")
Cc: stable@vger.kernel.org
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Commit 882ec4e609 ("dm table: stack 'chunk_sectors' limit to account
for target-specific splitting") caused a couple regressions:
1) Using lcm_not_zero() when stacking chunk_sectors was a bug because
chunk_sectors must reflect the most limited of all devices in the
IO stack.
2) DM targets that set max_io_len but that do _not_ provide an
.iterate_devices method no longer had there IO split properly.
And commit 5091cdec56 ("dm: change max_io_len() to use
blk_max_size_offset()") also caused a regression where DM no longer
supported varied (per target) IO splitting. The implication being the
potential for severely reduced performance for IO stacks that use a DM
target like dm-cache to hide performance limitations of a slower
device (e.g. one that requires 4K IO splitting).
Coming full circle: Fix all these issues by discontinuing stacking
chunk_sectors up using ti->max_io_len in dm_calculate_queue_limits(),
add optional chunk_sectors override argument to blk_max_size_offset()
and update DM's max_io_len() to pass ti->max_io_len to its
blk_max_size_offset() call.
Passing in an optional chunk_sectors override to blk_max_size_offset()
allows for code reuse of block's centralized calculation for max IO
size based on provided offset and split boundary.
Fixes: 882ec4e609 ("dm table: stack 'chunk_sectors' limit to account for target-specific splitting")
Fixes: 5091cdec56 ("dm: change max_io_len() to use blk_max_size_offset()")
Cc: stable@vger.kernel.org
Reported-by: John Dorminy <jdorminy@redhat.com>
Reported-by: Bruce Johnston <bjohnsto@redhat.com>
Reported-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Reviewed-by: John Dorminy <jdorminy@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
* initialize some data to avoid using stack garbage
* fix 6 GHz channel selection in mac80211
* correctly restart monitor mode interfaces in mac80211
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Merge tag 'mac80211-for-net-2020-12-04' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
Three small fixes:
* initialize some data to avoid using stack garbage
* fix 6 GHz channel selection in mac80211
* correctly restart monitor mode interfaces in mac80211
* tag 'mac80211-for-net-2020-12-04' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211:
mac80211: set SDATA_STATE_RUNNING for monitor interfaces
cfg80211: initialize rekey_data
mac80211: fix return value of ieee80211_chandef_he_6ghz_oper
====================
Link: https://lore.kernel.org/r/20201204122017.118099-1-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
amdgpu:
- SMU11 manual fan fix
- Renoir display clock fix
- VCN3 dynamic powergating fix
i915:
- Program mocs:63 for cache eviction on gen9 (Chris)
- Protect context lifetime with RCU (Chris)
- Split the breadcrumb spinlock between global and contexts (Chris)
- Retain default context state across shrinking (Venkata)
- Limit frequency drop to RPe on parking (Chris)
- Return earlier from intel_modeset_init() without display (Jani)
- Defer initial modeset until after GGTT is initialized (Chris)
nouveau:
- pre-nv50 regression fix
rockchip:
- uninitialised LVDS property fix
omap:
- bridge fix
panel:
- race fix
mxsfb:
- fence sync fix
- modifiers fix
tegra:
- idr init fix
- sor fixes
- output/of cleanup fix
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Merge tag 'drm-fixes-2020-12-04' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"This week's regular fixes.
i915 has fixes for a few races, use-after-free, and gpu hangs. Tegra
just has some minor fixes that I didn't see much point in hanging on
to. The nouveau fix is for all pre-nv50 cards and was reported a few
times. Otherwise it's just some amdgpu, and a few misc fixes.
Summary:
amdgpu:
- SMU11 manual fan fix
- Renoir display clock fix
- VCN3 dynamic powergating fix
i915:
- Program mocs:63 for cache eviction on gen9 (Chris)
- Protect context lifetime with RCU (Chris)
- Split the breadcrumb spinlock between global and contexts (Chris)
- Retain default context state across shrinking (Venkata)
- Limit frequency drop to RPe on parking (Chris)
- Return earlier from intel_modeset_init() without display (Jani)
- Defer initial modeset until after GGTT is initialized (Chris)
nouveau:
- pre-nv50 regression fix
rockchip:
- uninitialised LVDS property fix
omap:
- bridge fix
panel:
- race fix
mxsfb:
- fence sync fix
- modifiers fix
tegra:
- idr init fix
- sor fixes
- output/of cleanup fix"
* tag 'drm-fixes-2020-12-04' of git://anongit.freedesktop.org/drm/drm: (22 commits)
drm/amdgpu/vcn3.0: remove old DPG workaround
drm/amdgpu/vcn3.0: stall DPG when WPTR/RPTR reset
drm/amd/display: Init clock value by current vbios CLKs
drm/amdgpu/pm/smu11: Fix fan set speed bug
drm/i915/display: Defer initial modeset until after GGTT is initialised
drm/i915/display: return earlier from intel_modeset_init() without display
drm/i915/gt: Limit frequency drop to RPe on parking
drm/i915/gt: Retain default context state across shrinking
drm/i915/gt: Split the breadcrumb spinlock between global and contexts
drm/i915/gt: Protect context lifetime with RCU
drm/i915/gt: Program mocs:63 for cache eviction on gen9
drm/omap: sdi: fix bridge enable/disable
drm/panel: sony-acx565akm: Fix race condition in probe
drm/rockchip: Avoid uninitialized use of endpoint id in LVDS
drm/tegra: sor: Disable clocks on error in tegra_sor_init()
drm/nouveau: make sure ret is initialized in nouveau_ttm_io_mem_reserve
drm: mxsfb: Implement .format_mod_supported
drm: mxsfb: fix fence synchronization
drm/tegra: output: Do not put OF node twice
drm/tegra: replace idr_init() by idr_init_base()
...
Currently, locking of ->session is very inconsistent; most places
protect it using the legacy tty mutex, but disassociate_ctty(),
__do_SAK(), tiocspgrp() and tiocgsid() don't.
Two of the writers hold the ctrl_lock (because they already need it for
->pgrp), but __proc_set_tty() doesn't do that yet.
On a PREEMPT=y system, an unprivileged user can theoretically abuse
this broken locking to read 4 bytes of freed memory via TIOCGSID if
tiocgsid() is preempted long enough at the right point. (Other things
might also go wrong, especially if root-only ioctls are involved; I'm
not sure about that.)
Change the locking on ->session such that:
- tty_lock() is held by all writers: By making disassociate_ctty()
hold it. This should be fine because the same lock can already be
taken through the call to tty_vhangup_session().
The tricky part is that we need to shorten the area covered by
siglock to be able to take tty_lock() without ugly retry logic; as
far as I can tell, this should be fine, since nothing in the
signal_struct is touched in the `if (tty)` branch.
- ctrl_lock is held by all writers: By changing __proc_set_tty() to
hold the lock a little longer.
- All readers that aren't holding tty_lock() hold ctrl_lock: By
adding locking to tiocgsid() and __do_SAK(), and expanding the area
covered by ctrl_lock in tiocspgrp().
Cc: stable@kernel.org
Signed-off-by: Jann Horn <jannh@google.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
tiocspgrp() takes two tty_struct pointers: One to the tty that userspace
passed to ioctl() (`tty`) and one to the TTY being changed (`real_tty`).
These pointers are different when ioctl() is called with a master fd.
To properly lock real_tty->pgrp, we must take real_tty->ctrl_lock.
This bug makes it possible for racing ioctl(TIOCSPGRP, ...) calls on
both sides of a PTY pair to corrupt the refcount of `struct pid`,
leading to use-after-free errors.
Fixes: 47f86834bb ("redo locking of tty->pgrp")
CC: stable@kernel.org
Signed-off-by: Jann Horn <jannh@google.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If force_zc is set, we should exit out with an error, not fall back to
copy mode.
Fixes: 921b68692a ("xsk: Enable sharing of dma mappings")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
Link: https://lore.kernel.org/bpf/1607077277-41995-1-git-send-email-zhangchangzhong@huawei.com
The function may be unbound causing the ffs_ep and its descriptors
to be freed while userspace is in the middle of an ioctl requesting
the same descriptors. Avoid dangling pointer reference by first
making a local copy of desctiptors before releasing the spinlock.
Fixes: c559a35341 ("usb: gadget: f_fs: add ioctl returning ep descriptor")
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Vamsi Krishna Samavedam <vskrishn@codeaurora.org>
Signed-off-by: Jack Pham <jackp@codeaurora.org>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20201130203453.28154-1-jackp@codeaurora.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There were a bunch of issues with the patch converting the
OMAP1 OSK board to use descriptors for controlling the USB
host:
- The chip label was incorrect
- The GPIO offset was off-by-one
- The code should use sleeping accessors
This patch tries to fix all issues at the same time.
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Fixes: 15d157e874 ("usb: ohci-omap: Convert to use GPIO descriptors")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20201130083033.29435-1-linus.walleij@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This reverts commit 0154012f80 as Hans
reports it causes problems on some systems. Until a "real" fix for this
can be found, revert this change to get normal functionality back.
Link: https://lore.kernel.org/r/70ca74c2-4a80-e25b-eca9-a63a75516673@redhat.com
Cc: Tom Yan <tom.ty89@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This reverts commit 558033c282 as Hans
reports it causes problems on some systems. Until a "real" fix for this
can be found, revert this change to get normal functionality back.
Link: https://lore.kernel.org/r/70ca74c2-4a80-e25b-eca9-a63a75516673@redhat.com
Cc: Tom Yan <tom.ty89@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This reverts commit 5df7ef7d32 as Hans
reports it causes problems on some systems. Until a "real" fix for this
can be found, revert this change to get normal functionality back.
Link: https://lore.kernel.org/r/70ca74c2-4a80-e25b-eca9-a63a75516673@redhat.com
Cc: Tom Yan <tom.ty89@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The #ifdef check for the suspend/resume functions is wrong:
drivers/mmc/host/mtk-sd.c:2765:12: error: unused function 'msdc_suspend' [-Werror,-Wunused-function]
static int msdc_suspend(struct device *dev)
drivers/mmc/host/mtk-sd.c:2779:12: error: unused function 'msdc_resume' [-Werror,-Wunused-function]
static int msdc_resume(struct device *dev)
Remove the #ifdef and mark all four as __maybe_unused to aovid the
problem.
Fixes: c0a2074ac5 ("mmc: mediatek: Fix system suspend/resume support for CQHCI")
Cc: stable@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20201203222922.1067522-1-arnd@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The CMD13 polling is needed for commands with R1B responses. In commit
a0d4c7eb71 ("mmc: block: Add CMD13 polling for MMC IOCTLS with R1B
response"), the intent was to introduce this for requests targeted to the
RPMB partition. However, the condition to trigger the polling loop became
wrong, leading to unnecessary polling. Let's fix the condition to avoid
this.
Fixes: a0d4c7eb71 ("mmc: block: Add CMD13 polling for MMC IOCTLS with R1B response")
Cc: stable@vger.kernel.org
Reported-by: Zhan Liu <zliua@micron.com>
Signed-off-by: Zhan Liu <zliua@micron.com>
Signed-off-by: Bean Huo <beanhuo@micron.com>
Link: https://lore.kernel.org/r/20201202202320.22165-1-huobean@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Here's a fix for a regression in the option driver which has been
backported to the stable trees and fix for a small memory leak on open
in the kl5kusb105 driver.
Included are also various new device ids.
All but the memleak fix has been in linux-next and with no reported
issues.
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Merge tag 'usb-serial-5.10-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for 5.10-rc7
Here's a fix for a regression in the option driver which has been
backported to the stable trees and fix for a small memory leak on open
in the kl5kusb105 driver.
Included are also various new device ids.
All but the memleak fix has been in linux-next and with no reported
issues.
* tag 'usb-serial-5.10-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: kl5kusb105: fix memleak on open
USB: serial: ch341: sort device-id entries
USB: serial: ch341: add new Product ID for CH341A
USB: serial: option: fix Quectel BG96 matching
USB: serial: option: add support for Thales Cinterion EXS82
USB: serial: option: add Fibocom NL668 variants
During restarrt, mac80211 is supposed to reconfigure the driver.
When there's a monitor interface, the interface is added and the
channel context for it was created, but not assigned to it as it
was not considered running during the restart.
Fix this by setting SDATA_STATE_RUNNING while adding monitor
interfaces.
Signed-off-by: Borwankar, Antara <antara.borwankar@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20201129172929.e1df99693a4c.I494579f28018c2d0b9d4083a664cf872c28405ae@changeid
[reword commit log]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
ieee80211_chandef_he_6ghz_oper() needs to return true if it
determined a value 6 GHz chandef, fix that.
Fixes: 1d00ce807e ("mac80211: support S1G association")
Signed-off-by: Wen Gong <wgong@codeaurora.org>
Link: https://lore.kernel.org/r/1606121152-3452-1-git-send-email-wgong@codeaurora.org
[rewrite commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Further testing of error cases revealed that downgrade is not enough, so
we need to reset the SCC which is done by calling the custom reset
function. This reset function can distinguish between the various SDHI
variants, so protecting the call with MIN_RCAR2 is enough here.
Fixes: 24ce2d7b8b ("mmc: tmio: bring tuning HW to a sane state with MMC_POWER_OFF")
Reported-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20201125204953.3344-1-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Fix memory leak of control-message transfer buffer on successful open().
Fixes: 6774d5f532 ("USB: serial: kl5kusb105: fix open error path")
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
When the "label" property is set on the AT24 EEPROM the NVMEM devid is
set to NVMEM_DEVID_NONE, but it is not effective since there is a
leftover line setting it back to NVMEM_DEVID_AUTO a few lines after.
Fixes: 61f764c307 ("eeprom: at24: Support custom device names for AT24 EEPROMs")
Signed-off-by: Diego Santa Cruz <Diego.SantaCruz@spinetix.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
In the TDP MMU, use shadow_phys_bits to dermine the maximum possible GFN
mapped in the guest for zapping operations. boot_cpu_data.x86_phys_bits
may be reduced in the case of HW features that steal HPA bits for other
purposes. However, this doesn't necessarily reduce GPA space that can be
accessed via TDP. So zap based on a maximum gfn calculated with MAXPHYADDR
retrieved from CPUID. This is already stored in shadow_phys_bits, so use
it instead of x86_phys_bits.
Fixes: faaf05b00a ("kvm: x86/mmu: Support zapping SPTEs in the TDP MMU")
Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
Message-Id: <20201203231120.27307-1-rick.p.edgecombe@intel.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The cpu arg for svm_cpu_uninit() was previously ignored resulting in the
per cpu structure svm_cpu_data not being de-allocated for all cpus.
Signed-off-by: Jacob Xu <jacobhxu@google.com>
Message-Id: <20201203205939.1783969-1-jacobhxu@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
- disable pm_runtime in error path in gpio-arizona
- fix a NULL pointer dereference in gpio-dwapb
- fix a resource leak in gpio-zynq
- balance the freeing of pinctrl ranges if PINCTRL is not selected
- fix a potential use-after-free error in gpio-mvebu
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Merge tag 'gpio-fixes-for-v5.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into fixes
gpio fixes for v5.10-rc7
- disable pm_runtime in error path in gpio-arizona
- fix a NULL pointer dereference in gpio-dwapb
- fix a resource leak in gpio-zynq
- balance the freeing of pinctrl ranges if PINCTRL is not selected
- fix a potential use-after-free error in gpio-mvebu
uninitialized variables in rockchip and nouveau, and two fixes for mxsfb
to fix a regression with modifiers and a fix for a fence synchronization
issue.
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Merge tag 'drm-misc-fixes-2020-12-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
One bridge fix for OMAP, one for a race condition in a panel, two for
uninitialized variables in rockchip and nouveau, and two fixes for mxsfb
to fix a regression with modifiers and a fix for a fence synchronization
issue.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20201203125943.h2ft2xoywunt5orl@gilmour
- Program mocs:63 for cache eviction on gen9 (Chris)
- Protect context lifetime with RCU (Chris)
- Split the breadcrumb spinlock between global and contexts (Chris)
- Retain default context state across shrinking (Venkata)
- Limit frequency drop to RPe on parking (Chris)
- Return earlier from intel_modeset_init() without display (Jani)
- Defer initial modeset until after GGTT is initialized (Chris)
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Merge tag 'drm-intel-fixes-2020-12-03' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
Fixes for GPU hang, null dereference, suspend-resume, power consumption, and use-after-free.
- Program mocs:63 for cache eviction on gen9 (Chris)
- Protect context lifetime with RCU (Chris)
- Split the breadcrumb spinlock between global and contexts (Chris)
- Retain default context state across shrinking (Venkata)
- Limit frequency drop to RPe on parking (Chris)
- Return earlier from intel_modeset_init() without display (Jani)
- Defer initial modeset until after GGTT is initialized (Chris)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201203134705.GA1575873@intel.com
When mounting with "idsfromsid" mount option, Azure
corrupted the owner SIDs due to excessive padding
caused by placing the owner fields at the end of the
security descriptor on create. Placing owners at the
front of the security descriptor (rather than the end)
is also safer, as the number of ACEs (that follow it)
are variable.
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Suggested-by: Rohith Surabattula <rohiths@microsoft.com>
CC: Stable <stable@vger.kernel.org> # v5.8
Signed-off-by: Steve French <stfrench@microsoft.com>
In some scenarios (DFS and BAD_NETWORK_NAME) set_root_set() can be
called with a NULL ses->tcon_ipc.
Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
For an operation compounded with an SMB2 CREATE request, client must set
COMPOUND_FID(0xFFFFFFFFFFFFFFFF) to FileID field of smb2 ioctl.
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Fixes: 2e4564b31b ("smb3: add support stat of WSL reparse points for special file types")
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
My patch caused kernel Oopses and delays in boot. Revert it.
The problem was that I moved the "mem->dma = paddr;" before the call to
be_fill_queue(). But the first thing that the be_fill_queue() function
does is memset the whole struct to zero which overwrites the assignment.
Link: https://lore.kernel.org/r/X8jXkt6eThjyVP1v@mwanda
Fixes: 38b2db564d ("scsi: be2iscsi: Fix a theoretical leak in beiscsi_create_eqs()")
Cc: stable <stable@vger.kernel.org>
Reported-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
- fix logical vs physical CPU address confusion in PCI code
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Merge tag 's390-5.10-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Heiko Carstens:
"One commit is fixing lockdep irq state tracing which broke with -rc6.
The other one fixes logical vs physical CPU address mixup in our PCI
code.
Summary:
- fix lockdep irq state tracing
- fix logical vs physical CPU address confusion in PCI code"
* tag 's390-5.10-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: fix irq state tracing
s390/pci: fix CPU address in MSI for directed IRQ
STEs format for Connect-X5 and Connect-X6DX different. Currently, on
Connext-X6DX the SW steering would break at some point when building STEs
w/o giving a proper error message. Fix this by checking the STE format of
the current device when initializing domain: add mlx5_ifc definitions for
Connect-X6DX SW steering, read FW capability to get the current format
version, and check this version when domain is being created.
Fixes: 26d688e33f ("net/mlx5: DR, Add Steering entry (STE) utilities")
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Checksum calculation cannot be done in SW for TX kTLS HW offloaded
packets.
Offload it to the device, disregard the declared state of the TX
csum offload feature.
Fixes: d2ead1f360 ("net/mlx5e: Add kTLS TX HW offload support")
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Boris Pismenny <borisp@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix build when CONFIG_IPV6 is not enabled by making a function
be built conditionally.
Fixes these build errors and warnings:
../drivers/net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.c: In function 'accel_fs_tcp_set_ipv6_flow':
../include/net/sock.h:380:34: error: 'struct sock_common' has no member named 'skc_v6_daddr'; did you mean 'skc_daddr'?
380 | #define sk_v6_daddr __sk_common.skc_v6_daddr
| ^~~~~~~~~~~~
../drivers/net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.c:55:14: note: in expansion of macro 'sk_v6_daddr'
55 | &sk->sk_v6_daddr, 16);
| ^~~~~~~~~~~
At top level:
../drivers/net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.c:47:13: warning: 'accel_fs_tcp_set_ipv6_flow' defined but not used [-Wunused-function]
47 | static void accel_fs_tcp_set_ipv6_flow(struct mlx5_flow_spec *spec, struct sock *sk)
Fixes: 5229a96e59 ("net/mlx5e: Accel, Expose flow steering API for rules add/del")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When command interface is down, driver to reclaim all 4K page chucks that
were hold by the Firmeware. Fix a bug for 64K page size systems, where
driver repeatedly released only the first chunk of the page.
Define helper function to fill 4K chunks for a given Firmware pages.
Iterate over all unreleased Firmware pages and call the hepler per each.
Fixes: 5adff6a088 ("net/mlx5: Fix incorrect page count when in internal error")
Signed-off-by: Eran Ben Elisha <eranbe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
when 'act_mpls' is used to mangle the LSE, the current value is read from
the packet dereferencing 4 bytes at mpls_hdr(): ensure that the label is
contained in the skb "linear" area.
Found by code inspection.
v2:
- use MPLS_HLEN instead of sizeof(new_lse), thanks to Jakub Kicinski
Fixes: 2a2ea50870 ("net: sched: add mpls manipulation actions to TC")
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Acked-by: Guillaume Nault <gnault@redhat.com>
Link: https://lore.kernel.org/r/3243506cba43d14858f3bd21ee0994160e44d64a.1606987058.git.dcaratti@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
when openvswitch is configured to mangle the LSE, the current value is
read from the packet dereferencing 4 bytes at mpls_hdr(): ensure that
the label is contained in the skb "linear" area.
Found by code inspection.
Fixes: d27cf5c59a ("net: core: add MPLS update core helper and use in OvS")
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Link: https://lore.kernel.org/r/aa099f245d93218b84b5c056b67b6058ccf81a66.1606987185.git.dcaratti@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
skb_mpls_dec_ttl() reads the LSE without ensuring that it is contained in
the skb "linear" area. Fix this calling pskb_may_pull() before reading the
current ttl.
Found by code inspection.
Fixes: 2a2ea50870 ("net: sched: add mpls manipulation actions to TC")
Reported-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Link: https://lore.kernel.org/r/53659f28be8bc336c113b5254dc637cc76bbae91.1606987074.git.dcaratti@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Second, and most likely final, set of fixes for v5.10. Small fixes and
PCI id addtions.
iwlwifi
* PCI id additions
mt76
* fix a kernel crash during device removal
rtw88
* fix uninitialized memory in debugfs code
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Merge tag 'wireless-drivers-2020-12-03' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for v5.10
Second, and most likely final, set of fixes for v5.10. Small fixes and
PCI id addtions.
iwlwifi
* PCI id additions
mt76
* fix a kernel crash during device removal
rtw88
* fix uninitialized memory in debugfs code
* tag 'wireless-drivers-2020-12-03' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers:
rtw88: debug: Fix uninitialized memory in debugfs code
mt76: usb: fix crash on device removal
iwlwifi: pcie: add some missing entries for AX210
iwlwifi: pcie: invert values of NO_160 device config entries
iwlwifi: pcie: add one missing entry for AX210
iwlwifi: update MAINTAINERS entry
====================
Link: https://lore.kernel.org/r/20201203183408.EE88AC43461@smtp.codeaurora.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix to return negative error code -ENOENT from invalid configuration
error handling case instead of 0, as done elsewhere in this function.
Fixes: 4bb0432628 ("net: mvpp2: phylink support")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20201203141806.37966-1-wanghai38@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The "skb" is freed by the transmit code in cxgb4_ofld_send() and we
shouldn't use it again. But in the current code, if we hit an error
later on in the function then the clean up code will call kfree_skb(skb)
and so it causes a double free.
Set the "skb" to NULL and that makes the kfree_skb() a no-op.
Fixes: d25f2f71f6 ("crypto: chtls - Program the TLS session Key")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/X8ilb6PtBRLWiSHp@mwanda
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
