After commit a88c9e4969 ("mptcp: do not block subflows
creation on errors"), if a signal address races with a failing
subflow creation, the subflow creation failure control path
can trigger the selection of the next address to be announced
while the current announced is still pending.
The above will cause the unintended suppression of the ADD_ADDR
announce.
Fix the issue skipping the to-be-suppressed announce before it
will mark an endpoint as already used. The relevant announce
will be triggered again when the current one will complete.
Fixes: a88c9e4969 ("mptcp: do not block subflows creation on errors")
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The mentioned test has to wait for a subflow creation failure.
The current code looks for TCP sockets in TW state and sometimes
misses the relevant event. Switch to a more stable check, looking
for the associated mib counter.
Fixes: 46e967d187 ("selftests: mptcp: add tests for subflow creation failure")
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/257
Reported-and-tested-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Instead of waiting for an arbitrary amount of time for the MPTCP
MP_CAPABLE handshake to complete, explicitly wait for the relevant
socket to enter into the established status.
Additionally let the data transfer application use the slowest
transfer mode available (-r), to cope with very slow host, or
high jitter caused by hosting VMs.
Fixes: df62f2ec3d ("selftests/mptcp: add diag interface tests")
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/258
Reported-and-tested-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The driver is already covered in the ARM/QUALCOMM section. Also, Akash
Asthana's email bounces meanwhile and Mukesh Savaliya has never
responded to mails regarding this driver.
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Where commit 4ef0c5c6b5 ("kernel/sched: Fix sched_fork() access an
invalid sched_task_group") fixed a fork race vs cgroup, it opened up a
race vs syscalls by not placing the task on the runqueue before it
gets exposed through the pidhash.
Commit 13765de814 ("sched/fair: Fix fault in reweight_entity") is
trying to fix a single instance of this, instead fix the whole class
of issues, effectively reverting this commit.
Fixes: 4ef0c5c6b5 ("kernel/sched: Fix sched_fork() access an invalid sched_task_group")
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Tadeusz Struk <tadeusz.struk@linaro.org>
Tested-by: Zhang Qiao <zhangqiao22@huawei.com>
Tested-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Link: https://lkml.kernel.org/r/YgoeCbwj5mbCR0qA@hirez.programming.kicks-ass.net
ida_simple_get() returns an id between min (0) and max (NFP_MAX_MAC_INDEX)
inclusive.
So NFP_MAX_MAC_INDEX (0xff) is a valid id.
In order for the error handling path to work correctly, the 'invalid'
value for 'ida_idx' should not be in the 0..NFP_MAX_MAC_INDEX range,
inclusive.
So set it to -1.
Fixes: 20cce88650 ("nfp: flower: enable MAC address sharing for offloadable devs")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20220218131535.100258-1-simon.horman@corigine.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Other Fixes:
- Fix unnecessary changeattr revalidations
- Fix resolving symlinks during directory lookups
- Don't report writeback errors in nfs_getattr()
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Merge tag 'nfs-for-5.17-3' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client bugfixes from Anna Schumaker:
- Fix unnecessary changeattr revalidations
- Fix resolving symlinks during directory lookups
- Don't report writeback errors in nfs_getattr()
* tag 'nfs-for-5.17-3' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFS: Do not report writeback errors in nfs_getattr()
NFS: LOOKUP_DIRECTORY is also ok with symlinks
NFS: Remove an incorrect revalidation in nfs4_update_changeattr_locked()
- Change the log level of the "table not found" message in
acpi_table_parse_entries_array() to debug to prevent it from
showing up in the logs unnecessarily (Dan Williams).
- Add a C-state limit quirk for 32-bit ThinkPad T40 to prevent it
from crashing on boot after recent changes in the ACPI processor
driver (Woody Suwalski).
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Merge tag 'acpi-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These make an excess warning message go away and fix a recently
introduced boot failure on a vintage machine.
Specifics:
- Change the log level of the "table not found" message in
acpi_table_parse_entries_array() to debug to prevent it from
showing up in the logs unnecessarily (Dan Williams)
- Add a C-state limit quirk for 32-bit ThinkPad T40 to prevent it
from crashing on boot after recent changes in the ACPI processor
driver (Woody Suwalski)"
* tag 'acpi-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: processor: idle: fix lockup regression on 32-bit ThinkPad T40
ACPI: tables: Quiet ACPI table not found warning
* A set of three fixes, all aimed at fixing some fallout from the recent
sparse hart ID support.
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Merge tag 'riscv-for-linus-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
"A set of three fixes, all aimed at fixing some fallout from the recent
sparse hart ID support"
* tag 'riscv-for-linus-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
RISC-V: Fix IPI/RFENCE hmask on non-monotonic hartid ordering
RISC-V: Fix handling of empty cpu masks
RISC-V: Fix hartid mask handling for hartid 31 and up
When we switch from emulated PS/2 to native (RMI4 or Elan) protocols, we
create SMBus companion devices that are attached to I2C/SMBus controllers.
However, when suspending and resuming, we also need to make sure that we
take into account the PS/2 device they are associated with, so that PS/2
device is suspended after the companion and resumed before it, otherwise
companions will not work properly. Before I2C devices were marked for
asynchronous suspend/resume, this ordering happened naturally, but now we
need to enforce it by establishing device links, with PS/2 devices being
suppliers and SMBus companions being consumers.
Fixes: 172d931910 ("i2c: enable async suspend/resume on i2c client devices")
Reported-and-tested-by: Hugh Dickins <hughd@google.com>
Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Link: https://lore.kernel.org/r/89456fcd-a113-4c82-4b10-a9bcaefac68f@google.com
Link: https://lore.kernel.org/r/YgwQN8ynO88CPMju@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Clang static analysis reports this issues
ice_common.c:5008:21: warning: The left expression of the compound
assignment is an uninitialized value. The computed value will
also be garbage
ldo->phy_type_low |= ((u64)buf << (i * 16));
~~~~~~~~~~~~~~~~~ ^
When called from ice_cfg_phy_fec() ldo is the uninitialized local
variable tlv. So initialize.
Fixes: ea78ce4dab ("ice: add link lenient and default override support")
Signed-off-by: Tom Rix <trix@redhat.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Clang static analysis reports this issue
time64.h:69:50: warning: The left operand of '+'
is a garbage value
set_normalized_timespec64(&ts_delta, lhs.tv_sec + rhs.tv_sec,
~~~~~~~~~~ ^
In ice_ptp_adjtime_nonatomic(), the timespec64 variable 'now'
is set by ice_ptp_gettimex64(). This function can fail
with -EBUSY, so 'now' can have a gargbage value.
So check the return.
Fixes: 06c16d89d2 ("ice: register 1588 PTP clock device object for E810 devices")
Signed-off-by: Tom Rix <trix@redhat.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Commit c503e63200 ("ice: Stop processing VF messages during teardown")
introduced a driver state flag, ICE_VF_DEINIT_IN_PROGRESS, which is
intended to prevent some issues with concurrently handling messages from
VFs while tearing down the VFs.
This change was motivated by crashes caused while tearing down and
bringing up VFs in rapid succession.
It turns out that the fix actually introduces issues with the VF driver
caused because the PF no longer responds to any messages sent by the VF
during its .remove routine. This results in the VF potentially removing
its DMA memory before the PF has shut down the device queues.
Additionally, the fix doesn't actually resolve concurrency issues within
the ice driver. It is possible for a VF to initiate a reset just prior
to the ice driver removing VFs. This can result in the remove task
concurrently operating while the VF is being reset. This results in
similar memory corruption and panics purportedly fixed by that commit.
Fix this concurrency at its root by protecting both the reset and
removal flows using the existing VF cfg_lock. This ensures that we
cannot remove the VF while any outstanding critical tasks such as a
virtchnl message or a reset are occurring.
This locking change also fixes the root cause originally fixed by commit
c503e63200 ("ice: Stop processing VF messages during teardown"), so we
can simply revert it.
Note that I kept these two changes together because simply reverting the
original commit alone would leave the driver vulnerable to worse race
conditions.
Fixes: c503e63200 ("ice: Stop processing VF messages during teardown")
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Accidentally filter flag for none encapsulated l4 port field is always
set. Even if user wants to add encapsulated l4 port field.
Remove this unnecessary flag setting.
Fixes: 9e300987d4 ("ice: VXLAN and Geneve TC support")
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
In switchdev mode, slow-path rules need to match all protocols, in order
to correctly redirect unfiltered or missed packets to the uplink. To set
this up for the virtual function to uplink flow, the rule that redirects
packets to the control VSI must have the tunnel type set to
ICE_SW_TUN_AND_NON_TUN. As a result of that new tunnel type being set,
ice_get_compat_fv_bitmap will select ICE_PROF_ALL. At that point all
profiles would be selected for this rule, resulting in the desired
behavior. Without this change slow-path would not work with
tunnel protocols.
Fixes: 8b032a55c1 ("ice: low level support for tunnels")
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Merge tag 'block-5.17-2022-02-17' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- Surprise removal fix (Christoph)
- Ensure that pages are zeroed before submitted for userspace IO
(Haimin)
- Fix blk-wbt accounting issue with BFQ (Laibin)
- Use bsize for discard granularity in loop (Ming)
- Fix missing zone handling in blk_complete_request() (Pankaj)
* tag 'block-5.17-2022-02-17' of git://git.kernel.dk/linux-block:
block/wbt: fix negative inflight counter when remove scsi device
block: fix surprise removal for drivers calling blk_set_queue_dying
block-map: add __GFP_ZERO flag for alloc_page in function bio_copy_kern
block: loop:use kstatfs.f_bsize of backing file to set discard granularity
block: Add handling for zone append command in blk_complete_request
A collection of small patches, mostly for old and new regressions
and device-specific fixes.
- Regression fixes regarding ALSA core SG-buffer helpers
- Regression fix for Realtek HD-audio mutex deadlock
- Regression fix for USB-audio PM resume error
- More coverage of ASoC core control API notification fixes
- Old regression fixes for HD-audio probe mask
- Fixes for ASoC Realtek codec work handling
- Other device-specific quirks / fixes
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Merge tag 'sound-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small patches, mostly for old and new regressions and
device-specific fixes.
- Regression fixes regarding ALSA core SG-buffer helpers
- Regression fix for Realtek HD-audio mutex deadlock
- Regression fix for USB-audio PM resume error
- More coverage of ASoC core control API notification fixes
- Old regression fixes for HD-audio probe mask
- Fixes for ASoC Realtek codec work handling
- Other device-specific quirks / fixes"
* tag 'sound-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (24 commits)
ASoC: intel: skylake: Set max DMA segment size
ASoC: SOF: hda: Set max DMA segment size
ALSA: hda: Set max DMA segment size
ALSA: hda/realtek: Fix deadlock by COEF mutex
ALSA: usb-audio: Don't abort resume upon errors
ALSA: hda: Fix missing codec probe on Shenker Dock 15
ALSA: hda: Fix regression on forced probe mask option
ALSA: hda/realtek: Add quirk for Legion Y9000X 2019
ALSA: usb-audio: revert to IMPLICIT_FB_FIXED_DEV for M-Audio FastTrack Ultra
ASoC: wm_adsp: Correct control read size when parsing compressed buffer
ASoC: qcom: Actually clear DMA interrupt register for HDMI
ALSA: memalloc: invalidate SG pages before sync
ALSA: memalloc: Fix dma_need_sync() checks
MAINTAINERS: update cros_ec_codec maintainers
ASoC: rt5682: do not block workqueue if card is unbound
ASoC: rt5668: do not block workqueue if card is unbound
ASoC: rt5682s: do not block workqueue if card is unbound
ASoC: tas2770: Insert post reset delay
ASoC: Revert "ASoC: mediatek: Check for error clk pointer"
ASoC: amd: acp: Set gpio_spkr_en to None for max speaker amplifer in machine driver
...
- Fix boot failure on 603 with DEBUG_PAGEALLOC and KFENCE.
- Fix 32-build with newer binutils that rejects 'ptesync' etc.
Thanks to: Anders Roxell, Christophe Leroy, Maxime Bizon.
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Merge tag 'powerpc-5.17-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix boot failure on 603 with DEBUG_PAGEALLOC and KFENCE
- Fix 32-build with newer binutils that rejects 'ptesync' etc
Thanks to Anders Roxell, Christophe Leroy, and Maxime Bizon.
* tag 'powerpc-5.17-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/lib/sstep: fix 'ptesync' build error
powerpc/603: Fix boot failure with DEBUG_PAGEALLOC and KFENCE
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Merge tag '5.17-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Six small smb3 client fixes, three for stable:
- fix for snapshot mount option
- two ACL related fixes
- use after free race fix
- fix for confusing warning message logged with older dialects"
* tag '5.17-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: fix confusing unneeded warning message on smb2.1 and earlier
cifs: modefromsids must add an ACE for authenticated users
cifs: fix double free race when mount fails in cifs_get_root()
cifs: do not use uninitialized data in the owner/group sid
cifs: fix set of group SID via NTSD xattrs
smb3: fix snapshot mount option
The 'perf record' and 'perf stat' commands have supported the option
'-C/--cpus' to count or collect only on the list of CPUs provided.
Commit 1d3351e631 ("perf tools: Enable on a list of CPUs for
hybrid") add it to be supported for hybrid. For hybrid support, it
checks the cpu list are available on hybrid PMU. But when we test only
uncore events(or events not in cpu_core and cpu_atom), there is a bug:
Before:
# perf stat -C0 -e uncore_clock/clockticks/ sleep 1
failed to use cpu list 0
In this case, for uncore event, its pmu_name is not cpu_core or
cpu_atom, so in evlist__fix_hybrid_cpus, perf_pmu__find_hybrid_pmu
should return NULL,both events_nr and unmatched_count should be 0 ,then
the cpu list check function evlist__fix_hybrid_cpus return -1 and the
error "failed to use cpu list 0" will happen. Bypass "events_nr=0" case
then the issue is fixed.
After:
# perf stat -C0 -e uncore_clock/clockticks/ sleep 1
Performance counter stats for 'CPU(s) 0':
195,476,873 uncore_clock/clockticks/
1.004518677 seconds time elapsed
When testing with at least one core event and uncore events, it has no
issue.
# perf stat -C0 -e cpu_core/cpu-cycles/,uncore_clock/clockticks/ sleep 1
Performance counter stats for 'CPU(s) 0':
5,993,774 cpu_core/cpu-cycles/
301,025,912 uncore_clock/clockticks/
1.003964934 seconds time elapsed
Fixes: 1d3351e631 ("perf tools: Enable on a list of CPUs for hybrid")
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: alexander.shishkin@intel.com
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20220218093127.1844241-1-zhengjun.xing@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Skip the Sigtrap test for arm + arm64, same as was done for s390 in
commit a840974e96 ("perf test: Test 73 Sig_trap fails on s390"). For
this, reuse BP_SIGNAL_IS_SUPPORTED - meaning that the arch can use BP to
generate signals - instead of BP_ACCOUNT_IS_SUPPORTED, which is
appropriate.
As described by Will at [0], in the test we get stuck in a loop of
handling the HW breakpoint exception and never making progress. GDB
handles this by stepping over the faulting instruction, but with perf
the kernel is expected to handle the step (which it doesn't for arm).
Dmitry made an attempt to get this work, also mentioned in the same
thread as [0], which was appreciated. But the best thing to do is skip
the test for now.
[0] https://lore.kernel.org/linux-perf-users/20220118124343.GC98966@leoy-ThinkPad-X240s/T/#m13b06c39d2a5100d340f009435df6f4d8ee57b5a
Fixes: 5504f67944 ("perf test sigtrap: Add basic stress test for sigtrap handling")
Signed-off-by: John Garry <john.garry@huawei.com>
Tested-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Marco Elver <elver@google.com>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Marco Elver <elver@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux@armlinux.org.uk
Link: https://lore.kernel.org/r/1645176813-202756-1-git-send-email-john.garry@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
devm_kmalloc() returns a pointer to allocated memory on success, NULL
on failure. While lp->indirect_lock is allocated by devm_kmalloc()
without proper check. It is better to check the value of it to
prevent potential wrong memory access.
Fixes: f14f5c11f0 ("net: ll_temac: Support indirect_mutex share within TEMAC IP")
Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
UDP sendmsg() can be lockless, this is causing all kinds
of data races.
This patch converts sk->sk_tskey to remove one of these races.
BUG: KCSAN: data-race in __ip_append_data / __ip_append_data
read to 0xffff8881035d4b6c of 4 bytes by task 8877 on cpu 1:
__ip_append_data+0x1c1/0x1de0 net/ipv4/ip_output.c:994
ip_make_skb+0x13f/0x2d0 net/ipv4/ip_output.c:1636
udp_sendmsg+0x12bd/0x14c0 net/ipv4/udp.c:1249
inet_sendmsg+0x5f/0x80 net/ipv4/af_inet.c:819
sock_sendmsg_nosec net/socket.c:705 [inline]
sock_sendmsg net/socket.c:725 [inline]
____sys_sendmsg+0x39a/0x510 net/socket.c:2413
___sys_sendmsg net/socket.c:2467 [inline]
__sys_sendmmsg+0x267/0x4c0 net/socket.c:2553
__do_sys_sendmmsg net/socket.c:2582 [inline]
__se_sys_sendmmsg net/socket.c:2579 [inline]
__x64_sys_sendmmsg+0x53/0x60 net/socket.c:2579
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
write to 0xffff8881035d4b6c of 4 bytes by task 8880 on cpu 0:
__ip_append_data+0x1d8/0x1de0 net/ipv4/ip_output.c:994
ip_make_skb+0x13f/0x2d0 net/ipv4/ip_output.c:1636
udp_sendmsg+0x12bd/0x14c0 net/ipv4/udp.c:1249
inet_sendmsg+0x5f/0x80 net/ipv4/af_inet.c:819
sock_sendmsg_nosec net/socket.c:705 [inline]
sock_sendmsg net/socket.c:725 [inline]
____sys_sendmsg+0x39a/0x510 net/socket.c:2413
___sys_sendmsg net/socket.c:2467 [inline]
__sys_sendmmsg+0x267/0x4c0 net/socket.c:2553
__do_sys_sendmmsg net/socket.c:2582 [inline]
__se_sys_sendmmsg net/socket.c:2579 [inline]
__x64_sys_sendmmsg+0x53/0x60 net/socket.c:2579
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
value changed: 0x0000054d -> 0x0000054e
Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 8880 Comm: syz-executor.5 Not tainted 5.17.0-rc2-syzkaller-00167-gdcb85f85fa6f-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Fixes: 09c2d251b7 ("net-timestamp: add key to disambiguate concurrent datagrams")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A malicious device can leak heap data to user space
providing bogus frame lengths. Introduce a sanity check.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Reviewed-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Flow table lookup is skipped if packet either went through ct clear
action (which set the IP_CT_UNTRACKED flag on the packet), or while
switching zones and there is already a connection associated with
the packet. This will result in no SW offload of the connection,
and the and connection not being removed from flow table with
TCP teardown (fin/rst packet).
To fix the above, remove these unneccary checks in flow
table lookup.
Fixes: 46475bb20f ("net/sched: act_ct: Software offload of established flows")
Signed-off-by: Paul Blakey <paulb@nvidia.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When bringing down the netdevice or system shutdown, a panic can be
triggered while accessing the sysfs path because the device is already
removed.
[ 755.549084] mlx5_core 0000:12:00.1: Shutdown was called
[ 756.404455] mlx5_core 0000:12:00.0: Shutdown was called
...
[ 757.937260] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 758.031397] IP: [<ffffffff8ee11acb>] dma_pool_alloc+0x1ab/0x280
crash> bt
...
PID: 12649 TASK: ffff8924108f2100 CPU: 1 COMMAND: "amsd"
...
#9 [ffff89240e1a38b0] page_fault at ffffffff8f38c778
[exception RIP: dma_pool_alloc+0x1ab]
RIP: ffffffff8ee11acb RSP: ffff89240e1a3968 RFLAGS: 00010046
RAX: 0000000000000246 RBX: ffff89243d874100 RCX: 0000000000001000
RDX: 0000000000000000 RSI: 0000000000000246 RDI: ffff89243d874090
RBP: ffff89240e1a39c0 R8: 000000000001f080 R9: ffff8905ffc03c00
R10: ffffffffc04680d4 R11: ffffffff8edde9fd R12: 00000000000080d0
R13: ffff89243d874090 R14: ffff89243d874080 R15: 0000000000000000
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#10 [ffff89240e1a39c8] mlx5_alloc_cmd_msg at ffffffffc04680f3 [mlx5_core]
#11 [ffff89240e1a3a18] cmd_exec at ffffffffc046ad62 [mlx5_core]
#12 [ffff89240e1a3ab8] mlx5_cmd_exec at ffffffffc046b4fb [mlx5_core]
#13 [ffff89240e1a3ae8] mlx5_core_access_reg at ffffffffc0475434 [mlx5_core]
#14 [ffff89240e1a3b40] mlx5e_get_fec_caps at ffffffffc04a7348 [mlx5_core]
#15 [ffff89240e1a3bb0] get_fec_supported_advertised at ffffffffc04992bf [mlx5_core]
#16 [ffff89240e1a3c08] mlx5e_get_link_ksettings at ffffffffc049ab36 [mlx5_core]
#17 [ffff89240e1a3ce8] __ethtool_get_link_ksettings at ffffffff8f25db46
#18 [ffff89240e1a3d48] speed_show at ffffffff8f277208
#19 [ffff89240e1a3dd8] dev_attr_show at ffffffff8f0b70e3
#20 [ffff89240e1a3df8] sysfs_kf_seq_show at ffffffff8eedbedf
#21 [ffff89240e1a3e18] kernfs_seq_show at ffffffff8eeda596
#22 [ffff89240e1a3e28] seq_read at ffffffff8ee76d10
#23 [ffff89240e1a3e98] kernfs_fop_read at ffffffff8eedaef5
#24 [ffff89240e1a3ed8] vfs_read at ffffffff8ee4e3ff
#25 [ffff89240e1a3f08] sys_read at ffffffff8ee4f27f
#26 [ffff89240e1a3f50] system_call_fastpath at ffffffff8f395f92
crash> net_device.state ffff89443b0c0000
state = 0x5 (__LINK_STATE_START| __LINK_STATE_NOCARRIER)
To prevent this scenario, we also make sure that the netdevice is present.
Signed-off-by: suresh kumar <suresh2514@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When a 6pack device is detaching, the sixpack_close() will act to cleanup
necessary resources. Although del_timer_sync() in sixpack_close()
won't return if there is an active timer, one could use mod_timer() in
sp_xmit_on_air() to wake up timer again by calling userspace syscall such
as ax25_sendmsg(), ax25_connect() and ax25_ioctl().
This unexpected waked handler, sp_xmit_on_air(), realizes nothing about
the undergoing cleanup and may still call pty_write() to use driver layer
resources that have already been released.
One of the possible race conditions is shown below:
(USE) | (FREE)
ax25_sendmsg() |
ax25_queue_xmit() |
... |
sp_xmit() |
sp_encaps() | sixpack_close()
sp_xmit_on_air() | del_timer_sync(&sp->tx_t)
mod_timer(&sp->tx_t,...) | ...
| unregister_netdev()
| ...
(wait a while) | tty_release()
| tty_release_struct()
| release_tty()
sp_xmit_on_air() | tty_kref_put(tty_struct) //FREE
pty_write(tty_struct) //USE | ...
The corresponding fail log is shown below:
===============================================================
BUG: KASAN: use-after-free in __run_timers.part.0+0x170/0x470
Write of size 8 at addr ffff88800a652ab8 by task swapper/2/0
...
Call Trace:
...
queue_work_on+0x3f/0x50
pty_write+0xcd/0xe0pty_write+0xcd/0xe0
sp_xmit_on_air+0xb2/0x1f0
call_timer_fn+0x28/0x150
__run_timers.part.0+0x3c2/0x470
run_timer_softirq+0x3b/0x80
__do_softirq+0xf1/0x380
...
This patch reorders the del_timer_sync() after the unregister_netdev()
to avoid UAF bugs. Because the unregister_netdev() is well synchronized,
it flushs out any pending queues, waits the refcount of net_device
decreases to zero and removes net_device from kernel. There is not any
running routines after executing unregister_netdev(). Therefore, we could
not arouse timer from userspace again.
Signed-off-by: Duoming Zhou <duoming@zju.edu.cn>
Reviewed-by: Lin Ma <linma@zju.edu.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
xfpregs_set() handles 32-bit REGSET_XFP and 64-bit REGSET_FP. The actual
code treats these regsets as modern FX state (i.e. the beginning part of
XSTATE). The declarations of the regsets thought they were the legacy
i387 format. The code thought they were the 32-bit (no xmm8..15) variant
of XSTATE and, for good measure, made the high bits disappear by zeroing
the wrong part of the buffer. The latter broke ptrace, and everything
else confused anyone trying to understand the code. In particular, the
nonsense definitions of the regsets confused me when I wrote this code.
Clean this all up. Change the declarations to match reality (which
shouldn't change the generated code, let alone the ABI) and fix
xfpregs_set() to clear the correct bits and to only do so for 32-bit
callers.
Fixes: 6164331d15 ("x86/fpu: Rewrite xfpregs_set()")
Reported-by: Luís Ferreira <contact@lsferreira.net>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: <stable@vger.kernel.org>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=215524
Link: https://lore.kernel.org/r/YgpFnZpF01WwR8wU@zn.tnic
DSL and CM (Cable Modem) support 8 B max transfer size and have a custom
DT binding for that reason. This driver was checking for a wrong
"compatible" however which resulted in an incorrect setup.
Fixes: e2e5a2c618 ("i2c: brcmstb: Adding support for CM and DSL SoCs")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Inspired by commit 3553ae5690 (x86/kvm: Don't use pvqspinlock code if
only 1 vCPU), on a VM with only 1 vCPU, there is no need to enable
pv tlb/ipi/sched_yield and we can save the memory for __pv_cpu_mask.
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Message-Id: <1645171838-2855-1-git-send-email-wanpengli@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
On non-x86_64 builds, helpers gtod_is_based_on_tsc() and
kvm_guest_supported_xfd() are defined but never used. Because these are
static inline but are in a .c file, some compilers do warn for them with
-Wunused-function, which becomes an error if -Werror is present.
Add #ifdef so they are only defined in x86_64 builds.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Leonardo Bras <leobras@redhat.com>
Message-Id: <20220218034100.115702-1-leobras@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The mmc0 clock gate bit was mistakenly assigned to "i2s" clock.
You can find that the same bit is assigned to "mmc0" too.
It leads to mmc0 hang for a long time after any sound activity
also it prevented PM_SLEEP to work properly.
I guess it was introduced by copy-paste from jz4740 driver
where it is really controls I2S clock gate.
Fixes: 226dfa4726 ("clk: Add Ingenic jz4725b CGU driver")
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Tested-by: Siarhei Volkau <lis8215@gmail.com>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220205171849.687805-2-lis8215@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Just like in commit 05cf3ec00d ("clk: qcom: gcc-msm8996: Drop (again)
gcc_aggre1_pnoc_ahb_clk") adding NoC clocks turned out to be a huge
mistake, as they cause a lot of issues at little benefit (basically
letting Linux know about their children's frequencies), especially when
mishandled or misconfigured.
Adding these ones broke SDCC approx 99 out of 100 times, but that somehow
went unnoticed. To prevent further issues like this one, remove them.
This commit is effectively a revert of 74a33fac3a ("clk: qcom:
gcc-msm8994: Add missing NoC clocks") with ABI preservation.
Fixes: 74a33fac3a ("clk: qcom: gcc-msm8994: Add missing NoC clocks")
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20220217232408.78932-1-konrad.dybcio@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This Kselftest fixes update for Linux 5.17-rc5 consists of fixes
to ftrace, exec, and seccomp tests build, run-time and install
bugs. These bugs are in the way of running the tests.
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Merge tag 'linux-kselftest-fixes-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fixes from Shuah Khan:
"Fixes to ftrace, exec, and seccomp tests build, run-time and install
bugs. These bugs are in the way of running the tests"
* tag 'linux-kselftest-fixes-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/ftrace: Do not trace do_softirq because of PREEMPT_RT
selftests/seccomp: Fix seccomp failure by adding missing headers
selftests/exec: Add non-regular to TEST_GEN_PROGS
elfcorehdr_addr is fixed address passed to Second kernel which may be conflicted
with potential reserved memory in Second kernel,so fdt_reserve_elfcorehdr() ahead
of fdt_init_reserved_mem() can relieve this situation.
Signed-off-by: Nikhil Gupta <nikhil.gupta@nxp.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220128042321.15228-1-nikhil.gupta@nxp.com
cma-helper:
- set VM_DONTEXPAND
atomic:
- error handling fix.
mediatek:
- fix probe defer loop with external bridge
amdgpu:
- Stable pstate clock fixes for Dimgrey Cavefish and Beige Goby
- S0ix SDMA fix
- Yellow Carp GPU reset fix
radeon:
- Backlight fix for iMac 12,1
i915:
- GVT kerneldoc cleanup.
- GVT Kconfig should depend on X86
- Prevent out of range access in SWSCI display code.
- Fix mbus join and dbuf slice config lookup.
- Fix inverted priority selection in the TTM backend.
- Fix FBC plane end Y offset check.
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Merge tag 'drm-fixes-2022-02-18' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Regular fixes for rc5, nothing really stands out, mostly some amdgpu
and i915 fixes with mediatek, radeon and some misc fixes.
cma-helper:
- set VM_DONTEXPAND
atomic:
- error handling fix
mediatek:
- fix probe defer loop with external bridge
amdgpu:
- Stable pstate clock fixes for Dimgrey Cavefish and Beige Goby
- S0ix SDMA fix
- Yellow Carp GPU reset fix
radeon:
- Backlight fix for iMac 12,1
i915:
- GVT kerneldoc cleanup.
- GVT Kconfig should depend on X86
- Prevent out of range access in SWSCI display code
- Fix mbus join and dbuf slice config lookup
- Fix inverted priority selection in the TTM backend
- Fix FBC plane end Y offset check"
* tag 'drm-fixes-2022-02-18' of git://anongit.freedesktop.org/drm/drm:
drm/atomic: Don't pollute crtc_state->mode_blob with error pointers
drm/radeon: Fix backlight control on iMac 12,1
drm/amd/pm: correct the sequence of sending gpu reset msg
drm/amdgpu: skipping SDMA hw_init and hw_fini for S0ix.
drm/amd/pm: correct UMD pstate clocks for Dimgrey Cavefish and Beige Goby
drm/i915/fbc: Fix the plane end Y offset check
drm/i915/opregion: check port number bounds for SWSCI display power state
drm/i915/ttm: tweak priority hint selection
drm/i915: Fix mbus join config lookup
drm/i915: Fix dbuf slice config lookup
drm/cma-helper: Set VM_DONTEXPAND for mmap
drm/mediatek: mtk_dsi: Avoid EPROBE_DEFER loop with external bridge
drm/i915/gvt: Make DRM_I915_GVT depend on X86
drm/i915/gvt: clean up kernel-doc in gtt.c
Alexei Starovoitov says:
====================
pull-request: bpf 2022-02-17
We've added 8 non-merge commits during the last 7 day(s) which contain
a total of 8 files changed, 119 insertions(+), 15 deletions(-).
The main changes are:
1) Add schedule points in map batch ops, from Eric.
2) Fix bpf_msg_push_data with len 0, from Felix.
3) Fix crash due to incorrect copy_map_value, from Kumar.
4) Fix crash due to out of bounds access into reg2btf_ids, from Kumar.
5) Fix a bpf_timer initialization issue with clang, from Yonghong.
* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf: Add schedule points in batch ops
bpf: Fix crash due to out of bounds access into reg2btf_ids.
selftests: bpf: Check bpf_msg_push_data return value
bpf: Fix a bpf_timer initialization issue
bpf: Emit bpf_timer in vmlinux BTF
selftests/bpf: Add test for bpf_timer overwriting crash
bpf: Fix crash due to incorrect copy_map_value
bpf: Do not try bpf_msg_push_data with len 0
====================
Link: https://lore.kernel.org/r/20220217190000.37925-1-alexei.starovoitov@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
netfilter.
Current release - regressions:
- dsa: lantiq_gswip: fix use after free in gswip_remove()
- smc: avoid overwriting the copies of clcsock callback functions
Current release - new code bugs:
- iwlwifi:
- fix use-after-free when no FW is present
- mei: fix the pskb_may_pull check in ipv4
- mei: retry mapping the shared area
- mvm: don't feed the hardware RFKILL into iwlmei
Previous releases - regressions:
- ipv6: mcast: use rcu-safe version of ipv6_get_lladdr()
- tipc: fix wrong publisher node address in link publications
- iwlwifi: mvm: don't send SAR GEO command for 3160 devices,
avoid FW assertion
- bgmac: make idm and nicpm resource optional again
- atl1c: fix tx timeout after link flap
Previous releases - always broken:
- vsock: remove vsock from connected table when connect is
interrupted by a signal
- ping: change destination interface checks to match raw sockets
- crypto: af_alg - get rid of alg_memory_allocated to avoid confusing
semantics (and null-deref) after SO_RESERVE_MEM was added
- ipv6: make exclusive flowlabel checks per-netns
- bonding: force carrier update when releasing slave
- sched: limit TC_ACT_REPEAT loops
- bridge: multicast: notify switchdev driver whenever MC processing
gets disabled because of max entries reached
- wifi: brcmfmac: fix crash in brcm_alt_fw_path when WLAN not found
- iwlwifi: fix locking when "HW not ready"
- phy: mediatek: remove PHY mode check on MT7531
- dsa: mv88e6xxx: flush switchdev FDB workqueue before removing VLAN
- dsa: lan9303:
- fix polarity of reset during probe
- fix accelerated VLAN handling
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from wireless and netfilter.
Current release - regressions:
- dsa: lantiq_gswip: fix use after free in gswip_remove()
- smc: avoid overwriting the copies of clcsock callback functions
Current release - new code bugs:
- iwlwifi:
- fix use-after-free when no FW is present
- mei: fix the pskb_may_pull check in ipv4
- mei: retry mapping the shared area
- mvm: don't feed the hardware RFKILL into iwlmei
Previous releases - regressions:
- ipv6: mcast: use rcu-safe version of ipv6_get_lladdr()
- tipc: fix wrong publisher node address in link publications
- iwlwifi: mvm: don't send SAR GEO command for 3160 devices, avoid FW
assertion
- bgmac: make idm and nicpm resource optional again
- atl1c: fix tx timeout after link flap
Previous releases - always broken:
- vsock: remove vsock from connected table when connect is
interrupted by a signal
- ping: change destination interface checks to match raw sockets
- crypto: af_alg - get rid of alg_memory_allocated to avoid confusing
semantics (and null-deref) after SO_RESERVE_MEM was added
- ipv6: make exclusive flowlabel checks per-netns
- bonding: force carrier update when releasing slave
- sched: limit TC_ACT_REPEAT loops
- bridge: multicast: notify switchdev driver whenever MC processing
gets disabled because of max entries reached
- wifi: brcmfmac: fix crash in brcm_alt_fw_path when WLAN not found
- iwlwifi: fix locking when "HW not ready"
- phy: mediatek: remove PHY mode check on MT7531
- dsa: mv88e6xxx: flush switchdev FDB workqueue before removing VLAN
- dsa: lan9303:
- fix polarity of reset during probe
- fix accelerated VLAN handling"
* tag 'net-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (65 commits)
bonding: force carrier update when releasing slave
nfp: flower: netdev offload check for ip6gretap
ipv6: fix data-race in fib6_info_hw_flags_set / fib6_purge_rt
ipv4: fix data races in fib_alias_hw_flags_set
net: dsa: lan9303: add VLAN IDs to master device
net: dsa: lan9303: handle hwaccel VLAN tags
vsock: remove vsock from connected table when connect is interrupted by a signal
Revert "net: ethernet: bgmac: Use devm_platform_ioremap_resource_byname"
ping: fix the dif and sdif check in ping_lookup
net: usb: cdc_mbim: avoid altsetting toggling for Telit FN990
net: sched: limit TC_ACT_REPEAT loops
tipc: fix wrong notification node addresses
net: dsa: lantiq_gswip: fix use after free in gswip_remove()
ipv6: per-netns exclusive flowlabel checks
net: bridge: multicast: notify switchdev driver whenever MC processing gets disabled
CDC-NCM: avoid overflow in sanity checking
mctp: fix use after free
net: mscc: ocelot: fix use-after-free in ocelot_vlan_del()
bonding: fix data-races around agg_select_timer
dpaa2-eth: Initialize mutex used in one step timestamping path
...
In __bond_release_one(), bond_set_carrier() is only called when bond
device has no slave. Therefore, if we remove the up slave from a master
with two slaves and keep the down slave, the master will remain up.
Fix this by moving bond_set_carrier() out of if (!bond_has_slaves(bond))
statement.
Reproducer:
$ insmod bonding.ko mode=0 miimon=100 max_bonds=2
$ ifconfig bond0 up
$ ifenslave bond0 eth0 eth1
$ ifconfig eth0 down
$ ifenslave -d bond0 eth1
$ cat /proc/net/bonding/bond0
Fixes: ff59c4563a ("[PATCH] bonding: support carrier state for master")
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Link: https://lore.kernel.org/r/1645021088-38370-1-git-send-email-zhangchangzhong@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
syzbot reported various soft lockups caused by bpf batch operations.
INFO: task kworker/1:1:27 blocked for more than 140 seconds.
INFO: task hung in rcu_barrier
Nothing prevents batch ops to process huge amount of data,
we need to add schedule points in them.
Note that maybe_wait_bpf_programs(map) calls from
generic_map_delete_batch() can be factorized by moving
the call after the loop.
This will be done later in -next tree once we get this fix merged,
unless there is strong opinion doing this optimization sooner.
Fixes: aa2e93b8e5 ("bpf: Add generic support for update and delete batch ops")
Fixes: cb4d03ab49 ("bpf: Add generic support for lookup batch op")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Reviewed-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Brian Vazquez <brianvv@google.com>
Link: https://lore.kernel.org/bpf/20220217181902.808742-1-eric.dumazet@gmail.com
The SGX reclaimer code lacks page poison handling in its main
free path. This can lead to avoidable machine checks if a
poisoned page is freed and reallocated instead of being
isolated.
A troublesome scenario is:
1. Machine check (#MC) occurs (asynchronous, !MF_ACTION_REQUIRED)
2. arch_memory_failure() is eventually called
3. (SGX) page->poison set to 1
4. Page is reclaimed
5. Page added to normal free lists by sgx_reclaim_pages()
^ This is the bug (poison pages should be isolated on the
sgx_poison_page_list instead)
6. Page is reallocated by some innocent enclave, a second (synchronous)
in-kernel #MC is induced, probably during EADD instruction.
^ This is the fallout from the bug
(6) is unfortunate and can be avoided by replacing the open coded
enclave page freeing code in the reclaimer with sgx_free_epc_page()
to obtain support for poison page handling that includes placing the
poisoned page on the correct list.
Fixes: d6d261bded ("x86/sgx: Add new sgx_epc_page flag bit to mark free pages")
Fixes: 992801ae92 ("x86/sgx: Initial poison handling for dirty and free pages")
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Link: https://lkml.kernel.org/r/dcc95eb2aaefb042527ac50d0a50738c7c160dac.1643830353.git.reinette.chatre@intel.com
Commit b42bc9a3c5 ("Fix regression due to "fs: move binfmt_misc sysctl
to its own file") fixed a regression, however it failed to add a
kmemleak_not_leak().
Fixes: b42bc9a3c5 ("Fix regression due to "fs: move binfmt_misc sysctl to its own file")
Reported-by: Tong Zhang <ztong0001@gmail.com>
Cc: Tong Zhang <ztong0001@gmail.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
