Here are some small USB driver fixes for 5.17-rc4 that resolve some
reported issues and add new device ids:
- usb-serial new device ids
- ulpi cleanup fixes
- f_fs use-after-free fix
- dwc3 driver fixes
- ax88179_178a usb network driver fix
- usb gadget fixes
There is a revert at the end of this series to resolve a build problem
that 0-day found yesterday. Most of these have been in linux-next,
except for the last few, and all have now passed 0-day tests.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB driver fixes for 5.17-rc4 that resolve some
reported issues and add new device ids:
- usb-serial new device ids
- ulpi cleanup fixes
- f_fs use-after-free fix
- dwc3 driver fixes
- ax88179_178a usb network driver fix
- usb gadget fixes
There is a revert at the end of this series to resolve a build problem
that 0-day found yesterday. Most of these have been in linux-next,
except for the last few, and all have now passed 0-day tests"
* tag 'usb-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
Revert "usb: dwc2: drd: fix soft connect when gadget is unconfigured"
usb: dwc2: drd: fix soft connect when gadget is unconfigured
usb: gadget: rndis: check size of RNDIS_MSG_SET command
USB: gadget: validate interface OS descriptor requests
usb: core: Unregister device on component_add() failure
net: usb: ax88179_178a: Fix out-of-bounds accesses in RX fixup
usb: dwc3: gadget: Prevent core from processing stale TRBs
USB: serial: cp210x: add CPI Bulk Coin Recycler id
USB: serial: cp210x: add NCR Retail IO box id
USB: serial: ftdi_sio: add support for Brainboxes US-159/235/320
usb: gadget: f_uac2: Define specific wTerminalType
usb: gadget: udc: renesas_usb3: Fix host to USB_ROLE_NONE transition
usb: raw-gadget: fix handling of dual-direction-capable endpoints
usb: usb251xb: add boost-up property support
usb: ulpi: Call of_node_put correctly
usb: ulpi: Move of_node_put to ulpi_dev_release
USB: serial: option: add ZTE MF286D modem
USB: serial: ch341: add support for GW Instek USB2.0-Serial devices
usb: f_fs: Fix use-after-free for epfile
usb: dwc3: xilinx: fix uninitialized return value
- Maintainers and reviewers changes:
- Add Alexander Gordeev as maintainer for s390.
- Christian Borntraeger will focus on s390 KVM maintainership and
stays as s390 reviewer.
- Fix clang build of modules loader KUnit test.
- Fix kernel panic in CIO code on FCES path-event when no driver is
attached to a device or the driver does not provide the path_event
function.
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Merge tag 's390-5.17-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Vasily Gorbik:
"Maintainers and reviewers changes:
- Add Alexander Gordeev as maintainer for s390.
- Christian Borntraeger will focus on s390 KVM maintainership and
stays as s390 reviewer.
Fixes:
- Fix clang build of modules loader KUnit test.
- Fix kernel panic in CIO code on FCES path-event when no driver is
attached to a device or the driver does not provide the path_event
function"
* tag 's390-5.17-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/cio: verify the driver availability for path_event call
s390/module: fix building test_modules_helpers.o with clang
MAINTAINERS: downgrade myself to Reviewer for s390
MAINTAINERS: add Alexander Gordeev as maintainer for s390
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Merge tag 'for-linus-5.17a-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- Two small cleanups
- Another fix for addressing the EFI framebuffer above 4GB when running
as Xen dom0
- A patch to let Xen guests use reserved bits in MSI- and IO-APIC-
registers for extended APIC-IDs the same way KVM guests are doing it
already
* tag 'for-linus-5.17a-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/pci: Make use of the helper macro LIST_HEAD()
xen/x2apic: Fix inconsistent indenting
xen/x86: detect support for extended destination ID
xen/x86: obtain full video frame buffer address for Dom0 also under EFI
- Force HANDLER_EXIT even for SIGNAL_UNKILLABLE.
- Make seccomp self-destruct after fatal filter results.
- Update seccomp samples for easier behavioral demonstration.
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Merge tag 'seccomp-v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull seccomp fixes from Kees Cook:
"This fixes a corner case of fatal SIGSYS being ignored since v5.15.
Along with the signal fix is a change to seccomp so that seeing
another syscall after a fatal filter result will cause seccomp to kill
the process harder.
Summary:
- Force HANDLER_EXIT even for SIGNAL_UNKILLABLE
- Make seccomp self-destruct after fatal filter results
- Update seccomp samples for easier behavioral demonstration"
* tag 'seccomp-v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
samples/seccomp: Adjust sample to also provide kill option
seccomp: Invalidate seccomp mode to catch death failures
signal: HANDLER_EXIT should clear SIGNAL_UNKILLABLE
Merge misc fixes from Andrew Morton:
"5 patches.
Subsystems affected by this patch series: binfmt, procfs, and mm
(vmscan, memcg, and kfence)"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
kfence: make test case compatible with run time set sample interval
mm: memcg: synchronize objcg lists with a dedicated spinlock
mm: vmscan: remove deadlock due to throttling failing to make progress
fs/proc: task_mmu.c: don't read mapcount for migration entry
fs/binfmt_elf: fix PT_LOAD p_align values for loaders
When the KCONFIG_AUTOCONFIG is specified (e.g. export \
KCONFIG_AUTOCONFIG=output/config/auto.conf), the directory of
include/config/ will not be created, so kconfig can't create deps
files in it and auto.conf can't be generated.
Signed-off-by: Jing Leng <jleng@ambarella.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
The parameter kfence_sample_interval can be set via boot parameter and
late shell command, which is convenient for automated tests and KFENCE
parameter optimization. However, KFENCE test case just uses
compile-time CONFIG_KFENCE_SAMPLE_INTERVAL, which will make KFENCE test
case not run as users desired. Export kfence_sample_interval, so that
KFENCE test case can use run-time-set sample interval.
Link: https://lkml.kernel.org/r/20220207034432.185532-1-liupeng256@huawei.com
Signed-off-by: Peng Liu <liupeng256@huawei.com>
Reviewed-by: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Christian Knig <christian.koenig@amd.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Alexander reported a circular lock dependency revealed by the mmap1 ltp
test:
LOCKDEP_CIRCULAR (suite: ltp, case: mtest06 (mmap1))
WARNING: possible circular locking dependency detected
5.17.0-20220113.rc0.git0.f2211f194038.300.fc35.s390x+debug #1 Not tainted
------------------------------------------------------
mmap1/202299 is trying to acquire lock:
00000001892c0188 (css_set_lock){..-.}-{2:2}, at: obj_cgroup_release+0x4a/0xe0
but task is already holding lock:
00000000ca3b3818 (&sighand->siglock){-.-.}-{2:2}, at: force_sig_info_to_task+0x38/0x180
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&sighand->siglock){-.-.}-{2:2}:
__lock_acquire+0x604/0xbd8
lock_acquire.part.0+0xe2/0x238
lock_acquire+0xb0/0x200
_raw_spin_lock_irqsave+0x6a/0xd8
__lock_task_sighand+0x90/0x190
cgroup_freeze_task+0x2e/0x90
cgroup_migrate_execute+0x11c/0x608
cgroup_update_dfl_csses+0x246/0x270
cgroup_subtree_control_write+0x238/0x518
kernfs_fop_write_iter+0x13e/0x1e0
new_sync_write+0x100/0x190
vfs_write+0x22c/0x2d8
ksys_write+0x6c/0xf8
__do_syscall+0x1da/0x208
system_call+0x82/0xb0
-> #0 (css_set_lock){..-.}-{2:2}:
check_prev_add+0xe0/0xed8
validate_chain+0x736/0xb20
__lock_acquire+0x604/0xbd8
lock_acquire.part.0+0xe2/0x238
lock_acquire+0xb0/0x200
_raw_spin_lock_irqsave+0x6a/0xd8
obj_cgroup_release+0x4a/0xe0
percpu_ref_put_many.constprop.0+0x150/0x168
drain_obj_stock+0x94/0xe8
refill_obj_stock+0x94/0x278
obj_cgroup_charge+0x164/0x1d8
kmem_cache_alloc+0xac/0x528
__sigqueue_alloc+0x150/0x308
__send_signal+0x260/0x550
send_signal+0x7e/0x348
force_sig_info_to_task+0x104/0x180
force_sig_fault+0x48/0x58
__do_pgm_check+0x120/0x1f0
pgm_check_handler+0x11e/0x180
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&sighand->siglock);
lock(css_set_lock);
lock(&sighand->siglock);
lock(css_set_lock);
*** DEADLOCK ***
2 locks held by mmap1/202299:
#0: 00000000ca3b3818 (&sighand->siglock){-.-.}-{2:2}, at: force_sig_info_to_task+0x38/0x180
#1: 00000001892ad560 (rcu_read_lock){....}-{1:2}, at: percpu_ref_put_many.constprop.0+0x0/0x168
stack backtrace:
CPU: 15 PID: 202299 Comm: mmap1 Not tainted 5.17.0-20220113.rc0.git0.f2211f194038.300.fc35.s390x+debug #1
Hardware name: IBM 3906 M04 704 (LPAR)
Call Trace:
dump_stack_lvl+0x76/0x98
check_noncircular+0x136/0x158
check_prev_add+0xe0/0xed8
validate_chain+0x736/0xb20
__lock_acquire+0x604/0xbd8
lock_acquire.part.0+0xe2/0x238
lock_acquire+0xb0/0x200
_raw_spin_lock_irqsave+0x6a/0xd8
obj_cgroup_release+0x4a/0xe0
percpu_ref_put_many.constprop.0+0x150/0x168
drain_obj_stock+0x94/0xe8
refill_obj_stock+0x94/0x278
obj_cgroup_charge+0x164/0x1d8
kmem_cache_alloc+0xac/0x528
__sigqueue_alloc+0x150/0x308
__send_signal+0x260/0x550
send_signal+0x7e/0x348
force_sig_info_to_task+0x104/0x180
force_sig_fault+0x48/0x58
__do_pgm_check+0x120/0x1f0
pgm_check_handler+0x11e/0x180
INFO: lockdep is turned off.
In this example a slab allocation from __send_signal() caused a
refilling and draining of a percpu objcg stock, resulted in a releasing
of another non-related objcg. Objcg release path requires taking the
css_set_lock, which is used to synchronize objcg lists.
This can create a circular dependency with the sighandler lock, which is
taken with the locked css_set_lock by the freezer code (to freeze a
task).
In general it seems that using css_set_lock to synchronize objcg lists
makes any slab allocations and deallocation with the locked css_set_lock
and any intervened locks risky.
To fix the problem and make the code more robust let's stop using
css_set_lock to synchronize objcg lists and use a new dedicated spinlock
instead.
Link: https://lkml.kernel.org/r/Yfm1IHmoGdyUR81T@carbon.dhcp.thefacebook.com
Fixes: bf4f059954 ("mm: memcg/slab: obj_cgroup API")
Signed-off-by: Roman Gushchin <guro@fb.com>
Reported-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Tested-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Reviewed-by: Waiman Long <longman@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Reviewed-by: Jeremy Linton <jeremy.linton@arm.com>
Tested-by: Jeremy Linton <jeremy.linton@arm.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
A soft lockup bug in kcompactd was reported in a private bugzilla with
the following visible in dmesg;
watchdog: BUG: soft lockup - CPU#33 stuck for 26s! [kcompactd0:479]
watchdog: BUG: soft lockup - CPU#33 stuck for 52s! [kcompactd0:479]
watchdog: BUG: soft lockup - CPU#33 stuck for 78s! [kcompactd0:479]
watchdog: BUG: soft lockup - CPU#33 stuck for 104s! [kcompactd0:479]
The machine had 256G of RAM with no swap and an earlier failed
allocation indicated that node 0 where kcompactd was run was potentially
unreclaimable;
Node 0 active_anon:29355112kB inactive_anon:2913528kB active_file:0kB
inactive_file:0kB unevictable:64kB isolated(anon):0kB isolated(file):0kB
mapped:8kB dirty:0kB writeback:0kB shmem:26780kB shmem_thp:
0kB shmem_pmdmapped: 0kB anon_thp: 23480320kB writeback_tmp:0kB
kernel_stack:2272kB pagetables:24500kB all_unreclaimable? yes
Vlastimil Babka investigated a crash dump and found that a task
migrating pages was trying to drain PCP lists;
PID: 52922 TASK: ffff969f820e5000 CPU: 19 COMMAND: "kworker/u128:3"
Call Trace:
__schedule
schedule
schedule_timeout
wait_for_completion
__flush_work
__drain_all_pages
__alloc_pages_slowpath.constprop.114
__alloc_pages
alloc_migration_target
migrate_pages
migrate_to_node
do_migrate_pages
cpuset_migrate_mm_workfn
process_one_work
worker_thread
kthread
ret_from_fork
This failure is specific to CONFIG_PREEMPT=n builds. The root of the
problem is that kcompact0 is not rescheduling on a CPU while a task that
has isolated a large number of the pages from the LRU is waiting on
kcompact0 to reschedule so the pages can be released. While
shrink_inactive_list() only loops once around too_many_isolated, reclaim
can continue without rescheduling if sc->skipped_deactivate == 1 which
could happen if there was no file LRU and the inactive anon list was not
low.
Link: https://lkml.kernel.org/r/20220203100326.GD3301@suse.de
Fixes: d818fca1ca ("mm/vmscan: throttle reclaim and compaction when too may pages are isolated")
Signed-off-by: Mel Gorman <mgorman@suse.de>
Debugged-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The syzbot reported the below BUG:
kernel BUG at include/linux/page-flags.h:785!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4392 Comm: syz-executor560 Not tainted 5.16.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:PageDoubleMap include/linux/page-flags.h:785 [inline]
RIP: 0010:__page_mapcount+0x2d2/0x350 mm/util.c:744
Call Trace:
page_mapcount include/linux/mm.h:837 [inline]
smaps_account+0x470/0xb10 fs/proc/task_mmu.c:466
smaps_pte_entry fs/proc/task_mmu.c:538 [inline]
smaps_pte_range+0x611/0x1250 fs/proc/task_mmu.c:601
walk_pmd_range mm/pagewalk.c:128 [inline]
walk_pud_range mm/pagewalk.c:205 [inline]
walk_p4d_range mm/pagewalk.c:240 [inline]
walk_pgd_range mm/pagewalk.c:277 [inline]
__walk_page_range+0xe23/0x1ea0 mm/pagewalk.c:379
walk_page_vma+0x277/0x350 mm/pagewalk.c:530
smap_gather_stats.part.0+0x148/0x260 fs/proc/task_mmu.c:768
smap_gather_stats fs/proc/task_mmu.c:741 [inline]
show_smap+0xc6/0x440 fs/proc/task_mmu.c:822
seq_read_iter+0xbb0/0x1240 fs/seq_file.c:272
seq_read+0x3e0/0x5b0 fs/seq_file.c:162
vfs_read+0x1b5/0x600 fs/read_write.c:479
ksys_read+0x12d/0x250 fs/read_write.c:619
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
The reproducer was trying to read /proc/$PID/smaps when calling
MADV_FREE at the mean time. MADV_FREE may split THPs if it is called
for partial THP. It may trigger the below race:
CPU A CPU B
----- -----
smaps walk: MADV_FREE:
page_mapcount()
PageCompound()
split_huge_page()
page = compound_head(page)
PageDoubleMap(page)
When calling PageDoubleMap() this page is not a tail page of THP anymore
so the BUG is triggered.
This could be fixed by elevated refcount of the page before calling
mapcount, but that would prevent it from counting migration entries, and
it seems overkilling because the race just could happen when PMD is
split so all PTE entries of tail pages are actually migration entries,
and smaps_account() does treat migration entries as mapcount == 1 as
Kirill pointed out.
Add a new parameter for smaps_account() to tell this entry is migration
entry then skip calling page_mapcount(). Don't skip getting mapcount
for device private entries since they do track references with mapcount.
Pagemap also has the similar issue although it was not reported. Fixed
it as well.
[shy828301@gmail.com: v4]
Link: https://lkml.kernel.org/r/20220203182641.824731-1-shy828301@gmail.com
[nathan@kernel.org: avoid unused variable warning in pagemap_pmd_range()]
Link: https://lkml.kernel.org/r/20220207171049.1102239-1-nathan@kernel.org
Link: https://lkml.kernel.org/r/20220120202805.3369-1-shy828301@gmail.com
Fixes: e9b61f1985 ("thp: reintroduce split_huge_page()")
Signed-off-by: Yang Shi <shy828301@gmail.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reported-by: syzbot+1f52b3a18d5633fa7f82@syzkaller.appspotmail.com
Acked-by: David Hildenbrand <david@redhat.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Jann Horn <jannh@google.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Rui Salvaterra reported that Aisleroit solitaire crashes with "Wrong
__data_start/_end pair" assertion from libgc after update to v5.17-rc1.
Bisection pointed to commit 9630f0d60f ("fs/binfmt_elf: use PT_LOAD
p_align values for static PIE") that fixed handling of static PIEs, but
made the condition that guards load_bias calculation to exclude loader
binaries.
Restoring the check for presence of interpreter fixes the problem.
Link: https://lkml.kernel.org/r/20220202121433.3697146-1-rppt@kernel.org
Fixes: 9630f0d60f ("fs/binfmt_elf: use PT_LOAD p_align values for static PIE")
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Reported-by: Rui Salvaterra <rsalvaterra@gmail.com>
Tested-by: Rui Salvaterra <rsalvaterra@gmail.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: "H.J. Lu" <hjl.tools@gmail.com>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This is a fairly large set of bugfixes, most of which had
been sent a while ago but only now made it into the soc tree:
Maintainer file updates:
- Claudiu Beznea now co-maintains the at91 soc family,
replacing Ludovic Desroches.
- Michael Walle maintains the sl28cpld drivers
- Alain Volmat and Raphael Gallais-Pou take over some
drivers for ST platforms
- Alim Akhtar is an additional reviewer for Samsung platforms
Code fixes:
- Op-tee had a problem with object lifetime that needs
a slightly complex fix, as well as another bug with
error handling.
- Several minor issues for the OMAP platform, including
a regression with the timer
- A Kconfig change to fix a build-time issue on Intel
SoCFPGA
Device tree fixes:
- The Amlogic Meson platform fixes a boot regression on
am1-odroid, a spurious interrupt, and a problem with
reserved memory regions
- In the i.MX platform, several bug fixes are needed to
make devices work correctly: SD card detection,
alarmtimer, and sound card on some board. One patch
for the GPU got in there by accident and gets reverted
again.
- TI K3 needs a fix for J721S2 serial port numbers
- ux500 needs a fix to mount the SD card as root on
the Skomer phone.
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Merge tag 'soc-fixes-5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"This is a fairly large set of bugfixes, most of which had been sent a
while ago but only now made it into the soc tree:
Maintainer file updates:
- Claudiu Beznea now co-maintains the at91 soc family, replacing
Ludovic Desroches.
- Michael Walle maintains the sl28cpld drivers
- Alain Volmat and Raphael Gallais-Pou take over some drivers for ST
platforms
- Alim Akhtar is an additional reviewer for Samsung platforms
Code fixes:
- Op-tee had a problem with object lifetime that needs a slightly
complex fix, as well as another bug with error handling.
- Several minor issues for the OMAP platform, including a regression
with the timer
- A Kconfig change to fix a build-time issue on Intel SoCFPGA
Device tree fixes:
- The Amlogic Meson platform fixes a boot regression on am1-odroid, a
spurious interrupt, and a problem with reserved memory regions
- In the i.MX platform, several bug fixes are needed to make devices
work correctly: SD card detection, alarmtimer, and sound card on
some board. One patch for the GPU got in there by accident and gets
reverted again.
- TI K3 needs a fix for J721S2 serial port numbers
- ux500 needs a fix to mount the SD card as root on the Skomer phone"
* tag 'soc-fixes-5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (46 commits)
Revert "arm64: dts: imx8mn-venice-gw7902: disable gpu"
arm64: Remove ARCH_VULCAN
MAINTAINERS: add myself as a maintainer for the sl28cpld
MAINTAINERS: add IRC to ARM sub-architectures and Devicetree
MAINTAINERS: arm: samsung: add Git tree and IRC
ARM: dts: Fix boot regression on Skomer
ARM: dts: spear320: Drop unused and undocumented 'irq-over-gpio' property
soc: aspeed: lpc-ctrl: Block error printing on probe defer cases
docs/ABI: testing: aspeed-uart-routing: Escape asterisk
MAINTAINERS: update drm/stm drm/sti and cec/sti maintainers
MAINTAINERS: Update Benjamin Gaignard maintainer status
ARM: socfpga: fix missing RESET_CONTROLLER
arm64: dts: meson-sm1-odroid: fix boot loop after reboot
arm64: dts: meson-g12: drop BL32 region from SEI510/SEI610
arm64: dts: meson-g12: add ATF BL32 reserved-memory region
arm64: dts: meson-gx: add ATF BL32 reserved-memory region
arm64: dts: meson-sm1-bananapi-m5: fix wrong GPIO domain for GPIOE_2
arm64: dts: meson-sm1-odroid: use correct enable-gpio pin for tf-io regulator
arm64: dts: meson-g12b-odroid-n2: fix typo 'dio2133'
optee: use driver internal tee_context for some rpc
...
Avoid spam the kernel log on application memory allocation failures.
__func__ argument was also removed from dev_fmt macro due to
parameter conflicts with dynamic_dev_dbg.
Signed-off-by: Alex Sierra <alex.sierra@amd.com>
Reviewed-by: Philip Yang <Philip.Yang@amd.comi>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Fix the warning: no previous prototype for 'get_process_num_bos'
[-Wmissing-prototypes]
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Fix checkpatch reported warning for a quoted line and block line
comments.
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
the UMC_STATUS register is not linear, adjust offset
calculation formula to get correct address
Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
SDMA ring buffer test failed if suspend is aborted during
S0i3 resume.
[How]
If suspend is aborted for some reason during S0i3 resume
cycle, it follows SDMA ring test failing and errors in amdgpu
resume. For RN/CZN/Picasso, SMU saves and restores SDMA
registers during S0ix cycle. So, skipping SDMA suspend and
resume from driver solves the issue. This time, the system
is able to resume gracefully even the suspend is aborted.
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rajib Mahapatra <rajib.mahapatra@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
KMD reports a warning on holding a lock from drm_syncobj_find_fence,
when running amdgpu_test case “syncobj timeline test”.
ctx->lock was designed to prevent concurrent "amdgpu_ctx_wait_prev_fence"
calls and avoid dead reservation lock from GPU reset. since no reservation
lock is held in latest GPU reset any more, ctx->lock can be simply removed
and concurrent "amdgpu_ctx_wait_prev_fence" call also can be prevented by
PD root bo reservation lock.
call stacks:
=================
//hold lock
amdgpu_cs_ioctl->amdgpu_cs_parser_init->mutex_lock(&parser->ctx->lock);
…
//report warning
amdgpu_cs_dependencies->amdgpu_cs_process_syncobj_timeline_in_dep \
->amdgpu_syncobj_lookup_and_add_to_sync -> drm_syncobj_find_fence \
-> lockdep_assert_none_held_once
…
amdgpu_cs_ioctl->amdgpu_cs_parser_fini->mutex_unlock(&parser->ctx->lock);
Signed-off-by: Ken Xue <Ken.Xue@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The OOB table error count info should be reset after reset
eeprom table
Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Enable the support for DriverSmuConfig table on Navi1x and
Sienna_Cichlid.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Correct the UMD pstate profiling clocks for Dimgrey Cavefish and Beige
Goby.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(v4)
Modifications to satisfy checkpatch --strict
(v3)
Rewrote patchset to order patches as (API, hw impl, usecase)
- modified amdgpu_get_pp_od_clk_voltage to try
amdgpu_dpm_emit_clock_levels and fallback to
amdgpu_dpm_print_clock_levels if emit is not implemented.
- modified amdgpu_get_pp_dpm_clock to try
amdgpu_dpm_emit_clock_levels and fallback to
amdgpu_dpm_print_clock_levels if emit is not implemented.
- Newline is printed to buf if no output produced
== Test ==
LOGFILE=pp_clk.test.log
AMDGPU_PCI_ADDR=`lspci -nn | grep "VGA\|Display" | cut -d " " -f 1`
AMDGPU_HWMON=`ls -la /sys/class/hwmon | grep $AMDGPU_PCI_ADDR | awk '{print $9}'`
HWMON_DIR=/sys/class/hwmon/${AMDGPU_HWMON}
lspci -nn | grep "VGA\|Display" > $LOGFILE
FILES="pp_od_clk_voltage
pp_dpm_sclk
pp_dpm_mclk
pp_dpm_pcie
pp_dpm_socclk
pp_dpm_fclk
pp_dpm_dcefclk
pp_dpm_vclk
pp_dpm_dclk "
for f in $FILES
do
echo === $f === >> $LOGFILE
cat $HWMON_DIR/device/$f >> $LOGFILE
done
cat $LOGFILE
Signed-off-by: Darren Powell <darren.powell@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(v4)
Modifications to satisfy checkpatch --strict
(v3)
Rewrote patchset to order patches as (API, hw impl, usecase)
- implement emit_clk_levels for navi10, based on print_clk_levels,
but using sysfs_emit without smu_cmn_get_sysfs() workaround
Signed-off-by: Darren Powell <darren.powell@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
No need to check poison setting for each channel, check for umc0
channel0 is enough.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add basic support for GC 10.1.4,
it uses same IP blocks with GC 10.1.3
Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Clang static analysis reports this problem
kfd_chardev.c:2594:16: warning: The expression is an uninitialized value.
The computed value will also be garbage
while (ret && i--) {
^~~
i is a loop variable and this block unwinds a problem in the loop.
When the error happens before the loop, this value is garbage.
Move the initialization of i to its decalaration.
Fixes: be072b06c7 ("drm/amdkfd: CRIU export BOs as prime dmabuf objects")
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
clang static analysis reports this problem
kfd_chardev.c:2092:2: warning: 1st function call argument
is an uninitialized value
kvfree(bo_privs);
^~~~~~~~~~~~~~~~
When bo_buckets alloc fails, it jumps to an error handler
that frees the yet to be allocated bo_privs. Because
bo_buckets is the first error, return directly.
Fixes: 5ccbb057c0 ("drm/amdkfd: CRIU Implement KFD checkpoint ioctl")
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
If copy_to_user() fails, it returns the number of bytes remaining to
be copied but we want to return a negative error code (-EFAULT) to the
user.
Fixes: 9d5dabfeff ("drm/amdkfd: CRIU Save Shared Virtual Memory ranges")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: David Yat Sin <david.yatsin@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The kfd_process_device_data_by_id() does not return error pointers,
it returns NULL.
Fixes: bef153b70c ("drm/amdkfd: CRIU implement gpu_id remapping")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: David Yat Sin <david.yatsin@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
For Cyan Skillfish and Renoir, there is no interface provided by PMFW
to retrieve the enabled features. So, we assume all features are enabled.
Fixes: 7ade3ca9cd ("drm/amd/pm: correct the usage for 'supported' member of smu_feature structure")
Signed-off-by: Evan Quan <evan.quan@amd.com>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Merge tag 'pci-v5.17-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull pci fix from Bjorn Helgaas:
"Revert a commit that reduced the number of IRQs used but resulted in
interrupt storms (Bjorn Helgaas)"
* tag 'pci-v5.17-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
Revert "PCI/portdrv: Do not setup up IRQs if there are no users"
This reverts commit 0e8ae5a6ff.
0e8ae5a6ff ("PCI/portdrv: Do not setup up IRQs if there are no users")
reduced usage of IRQs when we don't think we need them. But Joey, Sergiu,
and David reported choppy GUI rendering, systems that became unresponsive
every few seconds, incorrect values reported by cpufreq, and high IRQ 16
CPU usage.
Joey bisected the issues to 0e8ae5a6ff, so revert it until we figure out
a better solution.
Link: https://lore.kernel.org/r/20220210222717.GA658201@bhelgaas
Link: https://bugzilla.kernel.org/show_bug.cgi?id=215533
Link: https://bugzilla.kernel.org/show_bug.cgi?id=215546
Reported-by: Joey Corleone <joey.corleone@mail.ru>
Reported-by: Sergiu Deitsch <sergiu.deitsch@gmail.com>
Reported-by: David Spencer <dspencer577@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org # v5.16+
Cc: Jan Kiszka <jan.kiszka@siemens.com>
* A fix to avoid undefined behavior when stack backtracing, which
manifests in GCC as incorrect stack addresses.
* A few fixes for the XIP kernels.
* A fix to tracking NUMA state on CPU hotplug.
* Support for the recently relesaed binutils-2.38, which changed the
default ISA version to one without CSRs or fence.i in I.
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Merge tag 'riscv-for-linus-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A fix to avoid undefined behavior when stack backtracing, which
manifests in GCC as incorrect stack addresses
- A few fixes for the XIP kernels
- A fix to tracking NUMA state on CPU hotplug
- Support for the recently relesaed binutils-2.38, which changed the
default ISA version to one without CSRs or fence.i in 'I' extension
* tag 'riscv-for-linus-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: fix build with binutils 2.38
riscv: cpu-hotplug: clear cpu from numa map when teardown
riscv: extable: fix err reg writing in dedicated uaccess handler
riscv/mm: Add XIP_FIXUP for riscv_pfn_base
riscv/mm: Add XIP_FIXUP for phys_ram_base
riscv: Fix XIP_FIXUP_FLASH_OFFSET
riscv: eliminate unreliable __builtin_frame_address(1)
- Enable Cortex-A510 erratum 2051678 by default as we do with other
errata.
- arm64 IORT: Check the node revision for PMCG resources to cope with
old firmware based on a broken revision of the spec that had no way to
describe the second register page (when an implementation is using the
recommended RELOC_CTRS feature).
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Enable Cortex-A510 erratum 2051678 by default as we do with other
errata.
- arm64 IORT: Check the node revision for PMCG resources to cope with
old firmware based on a broken revision of the spec that had no way
to describe the second register page (when an implementation is using
the recommended RELOC_CTRS feature).
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
ACPI/IORT: Check node revision for PMCG resources
arm64: Enable Cortex-A510 erratum 2051678 by default
- Revert a recent change that attempted to avoid issues with
conflicting address ranges during PCI initialization, because it
turned out to introduce a regression (Hans de Goede).
- Revert a change that limited EC GPE wakeups from suspend-to-idle
to systems based on Intel hardware, because it turned out that
systems based on hardware from other vendors depended on that
functionality too (Mario Limonciello).
- Fix two issues related to the handling of wakeup interrupts and
wakeup events signaled through the EC GPE during suspend-to-idle
on x86 (Rafael Wysocki).
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Merge tag 'acpi-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These revert two commits that turned out to be problematic and fix two
issues related to wakeup from suspend-to-idle on x86.
Specifics:
- Revert a recent change that attempted to avoid issues with
conflicting address ranges during PCI initialization, because it
turned out to introduce a regression (Hans de Goede).
- Revert a change that limited EC GPE wakeups from suspend-to-idle to
systems based on Intel hardware, because it turned out that systems
based on hardware from other vendors depended on that functionality
too (Mario Limonciello).
- Fix two issues related to the handling of wakeup interrupts and
wakeup events signaled through the EC GPE during suspend-to-idle on
x86 (Rafael Wysocki)"
* tag 'acpi-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
x86/PCI: revert "Ignore E820 reservations for bridge windows on newer systems"
PM: s2idle: ACPI: Fix wakeup interrupts handling
ACPI: PM: s2idle: Cancel wakeup before dispatching EC GPE
ACPI: PM: Revert "Only mark EC GPE for wakeup on Intel systems"
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Merge tag 'block-5.17-2022-02-11' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- NVMe pull request
- nvme-tcp: fix bogus request completion when failing to send AER
(Sagi Grimberg)
- add the missing nvme_complete_req tracepoint for batched
completion (Bean Huo)
- Revert of the loop async autoclear issue that has continued to plague
us this release. A few patchsets exists to improve this, but they are
too invasive to be considered at this point (Tetsuo)
* tag 'block-5.17-2022-02-11' of git://git.kernel.dk/linux-block:
loop: revert "make autoclear operation asynchronous"
nvme-tcp: fix bogus request completion when failing to send AER
nvme: add nvme_complete_req tracepoint for batched completion
- use sleeping variants of GPIO accessors where needed in gpio-aggregator
- never return kernel's internal error codes to user-space in gpiolib core
- use the correct register for reading output values in gpio-sifive
- fix line hogging in gpio-sim
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Merge tag 'gpio-fixes-for-v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- use sleeping variants of GPIO accessors where needed
in gpio-aggregator
- never return kernel's internal error codes to user-space
in gpiolib core
- use the correct register for reading output values in
gpio-sifive
- fix line hogging in gpio-sim
* tag 'gpio-fixes-for-v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: sim: fix hogs with custom chip labels
gpio: sifive: use the correct register to read output values
gpiolib: Never return internal error codes to user space
gpio: aggregator: Fix calling into sleeping GPIO controllers
A couple of additional fixes for 5.17-rc4:
* Fix compilation warnings in the sata_fsl driver (powerpc), from me.
* Disable TRIM commands on M88V29 devices as these commands are failing
despite the device reporting it supports TRIM. From Zoltan.
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Merge tag 'ata-5.17-rc4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ata fixes from Damien Le Moal:
"A couple of additional fixes for 5.17-rc4:
- Fix compilation warnings in the sata_fsl driver (powerpc) (me)
- Disable TRIM commands on M88V29 devices as these commands are
failing despite the device reporting it supports TRIM (Zoltan)"
* tag 'ata-5.17-rc4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: libata-core: Disable TRIM on M88V29
ata: sata_fsl: fix sscanf() and sysfs_emit() format strings
- Fixes to the RTLA tooling.
- A fix to a tp_printk overriding tp_printk_stop_on_boot on command line.
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Merge tag 'trace-v5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
- Fixes to the RTLA tooling
- A fix to a tp_printk overriding tp_printk_stop_on_boot on the
command line
* tag 'trace-v5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Fix tp_printk option related with tp_printk_stop_on_boot
MAINTAINERS: Add RTLA entry
rtla: Fix segmentation fault when failing to enable -t
rtla/trace: Error message fixup
rtla/utils: Fix session duration parsing
rtla: Follow kernel version
When a file is opened for writing, the vfs code (do_dentry_open)
calls get_write_access for the inode, thus incrementing the inode's write
count. That writer normally then creates a multi-block reservation for
the inode (i_res) that can be re-used by other writers, which speeds up
writes for applications that stupidly loop on open/write/close.
When the writes are all done, the multi-block reservation should be
deleted when the file is closed by the last "writer."
Commit 0ec9b9ea4f broke that concept when it moved the call to
gfs2_rs_delete before the check for FMODE_WRITE. Non-writers have no
business removing the multi-block reservations of writers. In fact, if
someone opens and closes the file for RO while a writer has a
multi-block reservation, the RO closer will delete the reservation
midway through the write, and this results in:
kernel BUG at fs/gfs2/rgrp.c:677! (or thereabouts) which is:
BUG_ON(rs->rs_requested); from function gfs2_rs_deltree.
This patch moves the check back inside the check for FMODE_WRITE.
Fixes: 0ec9b9ea4f ("gfs2: Check for active reservation in gfs2_release")
Cc: stable@vger.kernel.org # v5.12+
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
It turns out that the might_sleep() call that commit 660a6126f8 adds
is triggering occasional data corruption in testing. We're not sure
about the root cause yet, but since this commit was added as a debugging
aid only, revert it for now.
This reverts commit 660a6126f8.
Fixes: 660a6126f8 ("gfs2: check context in gfs2_glock_put")
Cc: stable@vger.kernel.org # v5.16+
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Here are some new device ids for 5.17-rc4.
All have been in linux-next with no reported issues.
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Merge tag 'usb-serial-5.17-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for 5.17-rc4
Here are some new device ids for 5.17-rc4.
All have been in linux-next with no reported issues.
* tag 'usb-serial-5.17-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: cp210x: add CPI Bulk Coin Recycler id
USB: serial: cp210x: add NCR Retail IO box id
USB: serial: ftdi_sio: add support for Brainboxes US-159/235/320
USB: serial: option: add ZTE MF286D modem
USB: serial: ch341: add support for GW Instek USB2.0-Serial devices
The kernel test robot is reporting that xfstest which does
umount ext2 on xfs
umount xfs
sequence started failing, for commit 322c4293ec ("loop: make
autoclear operation asynchronous") removed a guarantee that fput() of
backing file is processed before lo_release() from close() returns to
user mode.
And syzbot is reporting that deferring destroy_workqueue() from
__loop_clr_fd() to a WQ context did not help [1]. Revert that commit.
Link: https://syzkaller.appspot.com/bug?extid=831661966588c802aae9 [1]
Reported-by: kernel test robot <oliver.sang@intel.com>
Acked-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reported-by: syzbot <syzbot+831661966588c802aae9@syzkaller.appspotmail.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Link: https://lore.kernel.org/r/20220211071554.3424-1-penguin-kernel@I-love.SAKURA.ne.jp
Signed-off-by: Jens Axboe <axboe@kernel.dk>
If we fail to copy the just created file descriptor to userland, we
try to clean up by putting back 'fd' and freeing 'ib'. The code uses
put_unused_fd() for the former which is wrong, as the file descriptor
was already published by fd_install() which gets called internally by
anon_inode_getfd().
This makes the error handling code leaving a half cleaned up file
descriptor table around and a partially destructed 'file' object,
allowing userland to play use-after-free tricks on us, by abusing
the still usable fd and making the code operate on a dangling
'file->private_data' pointer.
Instead of leaving the kernel in a partially corrupted state, don't
attempt to explicitly clean up and leave this to the process exit
path that'll release any still valid fds, including the one created
by the previous call to anon_inode_getfd(). Simply return -EFAULT to
indicate the error.
Fixes: f73f7f4da5 ("iio: buffer: add ioctl() to support opening extra buffers for IIO device")
Cc: stable@kernel.org
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Alexandru Ardelean <ardeleanalex@gmail.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Nuno Sa <Nuno.Sa@analog.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mathias Krause <minipli@grsecurity.net>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linus Torvalds