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Tweak the round key logic so that they can be loaded using a single
branchless sequence using overlapping loads. This is shorter and
simpler, and puts the conditional branches based on the key size further
apart, which might benefit microarchitectures that cannot record taken
branches at every instruction. For these branches, use test-bit-branch
instructions that don't clobber the condition flags.
Note that none of this has any impact on performance, positive or
otherwise (and the branch prediction benefit would only benefit AES-192
which nobody uses). It does make for nicer code, though.
While at it, use \@ to generate the labels inside the macros, which is
more robust than using fixed numbers, which could clash inadvertently.
Also, bring aes-neon.S in line with these changes, including the switch
to test-and-branch instructions, to avoid surprises in the future when
we might start relying on the condition flags being preserved in the
chaining mode wrappers in aes-modes.S
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Fixes: 0880bb3b00c8 ("crypto: tegra - Add Tegra Security Engine driver")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Akhil R <akhilrajeev@nvidia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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With the current thermal zone locking arrangement in the debugfs code,
user space can open the "mitigations" file for a thermal zone before
the zone's debugfs pointer is set which will result in a NULL pointer
dereference in tze_seq_start().
Moreover, thermal_debug_tz_remove() is not called under the thermal
zone lock, so it can run in parallel with the other functions accessing
the thermal zone's struct thermal_debugfs object. Then, it may clear
tz->debugfs after one of those functions has checked it and the
struct thermal_debugfs object may be freed prematurely.
To address the first problem, pass a pointer to the thermal zone's
struct thermal_debugfs object to debugfs_create_file() in
thermal_debug_tz_add() and make tze_seq_start(), tze_seq_next(),
tze_seq_stop(), and tze_seq_show() retrieve it from s->private
instead of a pointer to the thermal zone object. This will ensure
that tz_debugfs will be valid across the "mitigations" file accesses
until thermal_debugfs_remove_id() called by thermal_debug_tz_remove()
removes that file.
To address the second problem, use tz->lock in thermal_debug_tz_remove()
around the tz->debugfs value check (in case the same thermal zone is
removed at the same time in two different threads) and its reset to NULL.
Fixes: 7ef01f228c9f ("thermal/debugfs: Add thermal debugfs information for mitigation episodes")
Cc :6.8+ <stable@vger.kernel.org> # 6.8+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
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Because thermal_debug_tz_remove() does not free all memory allocated for
thermal zone diagnostics, some of that memory becomes unreachable after
freeing the thermal zone's struct thermal_debugfs object.
Address this by making thermal_debug_tz_remove() free all of the memory
in question.
Fixes: 7ef01f228c9f ("thermal/debugfs: Add thermal debugfs information for mitigation episodes")
Cc :6.8+ <stable@vger.kernel.org> # 6.8+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
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Creates an anon_inode_getfile_fmode() function that works similarly to
anon_inode_getfile() with the addition of being able to set the fmode
member.
Signed-off-by: Dawid Osuchowski <linux@osuchow.ski>
Link: https://lore.kernel.org/r/20240426075854.4723-1-linux@osuchow.ski
Signed-off-by: Christian Brauner <brauner@kernel.org>
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In the context of changing my career path, my Pengutronix email address
will soon stop to be available to me. Update the PWM maintainer entry to
my kernel.org identity.
I drop my co-maintenance of SIOX. Thorsten will continue to care for
it with the support of the Pengutronix kernel team.
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
Acked-by: Thorsten Scherer <t.scherer@eckelmann.de>
Link: https://lore.kernel.org/r/20240424212626.603631-2-ukleinek@kernel.org
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
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I no longer have access to PCA9541 hardware, and I am no longer involved
in related development. Listing me as PCA9541 maintainer does not make
sense anymore. Remove PCA9541 from MAINTAINERS to let its support default
to the generic I2C multiplexer entry.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into i2c/for-current
at24 fixes for v6.9-rc6
- move the nvmem registration after the test one-byte read to improve the
situation with a race condition in nvmem
- fix the DT schema for ST M24C64-D
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The software GRO path for esp transport mode uses skb_mac_header_rebuild
prior to re-injecting the packet via the xfrm_napi_dev. This only
copies skb->mac_len bytes of header which may not be sufficient if the
packet contains 802.1Q tags or other VLAN tags. Worse copying only the
initial header will leave a packet marked as being VLAN tagged but
without the corresponding tag leading to mangling when it is later
untagged.
The VLAN tags are important when receiving the decrypted esp transport
mode packet after GRO processing to ensure it is received on the correct
interface.
Therefore record the full mac header length in xfrm*_transport_input for
later use in corresponding xfrm*_transport_finish to copy the entire mac
header when rebuilding the mac header for GRO. The skb->data pointer is
left pointing skb->mac_header bytes after the start of the mac header as
is expected by the network stack and network and transport header
offsets reset to this location.
Fixes: 7785bba299a8 ("esp: Add a software GRO codepath")
Signed-off-by: Paul Davey <paul.davey@alliedtelesis.co.nz>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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Add PCI subdevice ID for the Intel D5005 Stratix 10 FPGA card as
used with the Open FPGA Stack (OFS) FPGA Interface Manager (FIM).
Unlike the Intel D5005 PAC FIM which exposed a separate PCI device ID,
the OFS FIM reuses the same device ID for all DFL-based FPGA cards
and differentiates on the subdevice ID. The subdevice ID values were
chosen as the numeric part of the FPGA card names in hexadecimal.
Signed-off-by: Peter Colberg <peter.colberg@intel.com>
Reviewed-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20240422230257.1959-1-peter.colberg@intel.com
Signed-off-by: Xu Yilun <yilun.xu@linux.intel.com>
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
- Fix error paths on managed allocations
- Fix PF/VF relay messages
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/gxaxtvxeoax7mnddxbl3tfn2hfnm5e4ngnl3wpi4p5tvn7il4s@fwsvpntse7bh
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https://git.pengutronix.de/git/lst/linux into drm-fixes
- fix GC7000 TX clock gating
- revert NPU UAPI changes
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lucas Stach <l.stach@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/c24457dc18ba9eab3ff919b398a25b1af9f1124e.camel@pengutronix.de
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https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
Short summary of fixes pull:
atomic-helpers:
- Fix memory leak in drm_format_conv_state_copy()
fbdev:
- fbdefio: Fix address calculation
gma500:
- Fix crash during boot
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20240425102413.GA6301@localhost.localdomain
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https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-6.9-2024-04-24:
amdgpu:
- Suspend/resume fix
- Don't expose gpu_od directory if it's empty
- SDMA 4.4.2 fix
- VPE fix
- BO eviction fix
- UMSCH fix
- SMU 13.0.6 reset fixes
- GPUVM flush accounting fix
- SDMA 5.2 fix
- Fix possible UAF in mes code
amdkfd:
- Eviction fence handling fix
- Fix memory leak when GPU memory allocation fails
- Fix dma-buf validation
- Fix rescheduling of restore worker
- SVM fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240424202408.1973661-1-alexander.deucher@amd.com
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Bui Quang Minh says:
====================
Ensure the copied buf is NUL terminated (part)
I found that some drivers contains an out-of-bound read pattern like this
kern_buf = memdup_user(user_buf, count);
...
sscanf(kern_buf, ...);
The sscanf can be replaced by some other string-related functions. This
pattern can lead to out-of-bound read of kern_buf in string-related
functions.
This series fix the above issue by replacing memdup_user with
memdup_user_nul.
v1: https://lore.kernel.org/r/20240422-fix-oob-read-v1-0-e02854c30174@gmail.com
====================
Link: https://lore.kernel.org/r/20240424-fix-oob-read-v2-0-f1f1b53a10f4@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We try to access count + 1 byte from userspace with memdup_user(buffer,
count + 1). However, the userspace only provides buffer of count bytes and
only these count bytes are verified to be okay to access. To ensure the
copied buffer is NUL terminated, we use memdup_user_nul instead.
Fixes: 3a2eb515d136 ("octeontx2-af: Fix an off by one in rvu_dbg_qsize_write()")
Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Link: https://lore.kernel.org/r/20240424-fix-oob-read-v2-6-f1f1b53a10f4@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently, we allocate a nbytes-sized kernel buffer and copy nbytes from
userspace to that buffer. Later, we use sscanf on this buffer but we don't
ensure that the string is terminated inside the buffer, this can lead to
OOB read when using sscanf. Fix this issue by using memdup_user_nul
instead of memdup_user.
Fixes: 7afc5dbde091 ("bna: Add debugfs interface.")
Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Link: https://lore.kernel.org/r/20240424-fix-oob-read-v2-2-f1f1b53a10f4@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently, we allocate a count-sized kernel buffer and copy count bytes
from userspace to that buffer. Later, we use sscanf on this buffer but we
don't ensure that the string is terminated inside the buffer, this can lead
to OOB read when using sscanf. Fix this issue by using memdup_user_nul
instead of memdup_user.
Fixes: 96a9a9341cda ("ice: configure FW logging")
Fixes: 73671c3162c8 ("ice: enable FW logging")
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Link: https://lore.kernel.org/r/20240424-fix-oob-read-v2-1-f1f1b53a10f4@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Stop printing the TT memory decryption status info each time tt is created
and instead print it just once.
Reduces the spam in the system logs when running guests with SEV enabled.
Signed-off-by: Zack Rusin <zack.rusin@broadcom.com>
Fixes: 71ce046327cf ("drm/ttm: Make sure the mapped tt pages are decrypted when needed")
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-kernel@vger.kernel.org
Cc: <stable@vger.kernel.org> # v5.14+
Link: https://patchwork.freedesktop.org/patch/msgid/20240408155605.1398631-1-zack.rusin@broadcom.com
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Legacy DU was broken by the referenced fixes commit because the placement
and the busy_placement no longer pointed to the same object. This was later
fixed indirectly by commit a78a8da51b36c7a0c0c16233f91d60aac03a5a49
("drm/ttm: replace busy placement with flags v6") in v6.9.
Fixes: 39985eea5a6d ("drm/vmwgfx: Abstract placement selection")
Signed-off-by: Ian Forbes <ian.forbes@broadcom.com>
Cc: <stable@vger.kernel.org> # v6.4+
Reviewed-by: Zack Rusin <zack.rusin@broadcom.com>
Signed-off-by: Zack Rusin <zack.rusin@broadcom.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240425200700.24403-1-ian.forbes@broadcom.com
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Pull virtio fix from Michael Tsirkin:
"enum renames for vdpa uapi - we better do this now before the names
have been exposed in any releases"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vDPA: code clean for vhost_vdpa uapi
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git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs
Pull 9p fix from Eric Van Hensbergen:
"This contains a single mitigation to help deal with an apparent race
condition between client and server having to deal with inode number
collisions"
* tag '9p-for-6.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
fs/9p: mitigate inode collisions
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Ensure that args.acl is initialized early. It is used in an
unconditional call to kfree() on the way out of
nfsd4_encode_fattr4().
Reported-by: Scott Mayhew <smayhew@redhat.com>
Fixes: 83ab8678ad0c ("NFSD: Add struct nfsd4_fattr_args")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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When a mutex lock is not used any more, the function mutex_destroy
should be called to mark the mutex lock uninitialized.
Fixes: f2298c0403b0 ("null_blk: multi queue aware block test driver")
Signed-off-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Link: https://lore.kernel.org/r/20240425171635.4227-1-yanjun.zhu@linux.dev
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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https://git.kernel.org/pub/scm/linux/kernel/git/song/md into for-6.10/block
Pull MD fixes from Song:
"These changes contain various fixes by Yu Kuai, Li Nan, and
Florian-Ewald Mueller."
* tag 'md-6.10-20240425' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md:
md: don't account sync_io if iostats of the disk is disabled
md: Fix overflow in is_mddev_idle
md: add check for sleepers in md_wakeup_thread()
md/raid5: fix deadlock that raid5d() wait for itself to clear MD_SB_CHANGE_PENDING
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix three recent regressions, one introduced while enabling a
new platform firmware feature for power management, and two introduced
by a recent CPPC library update.
Specifics:
- Allow two overlapping Low-Power S0 Idle _DSM function sets to be
used at the same time (Rafael Wysocki)
- Fix bit offset computation in MASK_VAL() macro used for applying a
bitmask to a new CPPC register value (Jarred White)
- Fix access width field usage for PCC registers in CPPC (Vanshidhar
Konda)"
* tag 'acpi-6.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: PM: s2idle: Evaluate all Low-Power S0 Idle _DSM functions
ACPI: CPPC: Fix access width used for PCC registers
ACPI: CPPC: Fix bit_offset shift in MASK_VAL() macro
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter, wireless and bluetooth.
Nothing major, regression fixes are mostly in drivers, two more of
those are flowing towards us thru various trees. I wish some of the
changes went into -rc5, we'll try to keep an eye on frequency of PRs
from sub-trees.
Also disproportional number of fixes for bugs added in v6.4, strange
coincidence.
Current release - regressions:
- igc: fix LED-related deadlock on driver unbind
- wifi: mac80211: small fixes to recent clean up of the connection
process
- Revert "wifi: iwlwifi: bump FW API to 90 for BZ/SC devices", kernel
doesn't have all the code to deal with that version, yet
- Bluetooth:
- set power_ctrl_enabled on NULL returned by gpiod_get_optional()
- qca: fix invalid device address check, again
- eth: ravb: fix registered interrupt names
Current release - new code bugs:
- wifi: mac80211: check EHT/TTLM action frame length
Previous releases - regressions:
- fix sk_memory_allocated_{add|sub} for architectures where
__this_cpu_{add|sub}* are not IRQ-safe
- dsa: mv88e6xx: fix link setup for 88E6250
Previous releases - always broken:
- ip: validate dev returned from __in_dev_get_rcu(), prevent possible
null-derefs in a few places
- switch number of for_each_rcu() loops using call_rcu() on the
iterator to for_each_safe()
- macsec: fix isolation of broadcast traffic in presence of offload
- vxlan: drop packets from invalid source address
- eth: mlxsw: trap and ACL programming fixes
- eth: bnxt: PCIe error recovery fixes, fix counting dropped packets
- Bluetooth:
- lots of fixes for the command submission rework from v6.4
- qca: fix NULL-deref on non-serdev suspend
Misc:
- tools: ynl: don't ignore errors in NLMSG_DONE messages"
* tag 'net-6.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (88 commits)
af_unix: Suppress false-positive lockdep splat for spin_lock() in __unix_gc().
net: b44: set pause params only when interface is up
tls: fix lockless read of strp->msg_ready in ->poll
dpll: fix dpll_pin_on_pin_register() for multiple parent pins
net: ravb: Fix registered interrupt names
octeontx2-af: fix the double free in rvu_npc_freemem()
net: ethernet: ti: am65-cpts: Fix PTPv1 message type on TX packets
ice: fix LAG and VF lock dependency in ice_reset_vf()
iavf: Fix TC config comparison with existing adapter TC config
i40e: Report MFS in decimal base instead of hex
i40e: Do not use WQ_MEM_RECLAIM flag for workqueue
net: ti: icssg-prueth: Fix signedness bug in prueth_init_rx_chns()
net/mlx5e: Advertise mlx5 ethernet driver updates sk_buff md_dst for MACsec
macsec: Detect if Rx skb is macsec-related for offloading devices that update md_dst
ethernet: Add helper for assigning packet type when dest address does not match device address
macsec: Enable devices to advertise whether they update sk_buff md_dst during offloads
net: phy: dp83869: Fix MII mode failure
netfilter: nf_tables: honor table dormant flag from netdev release event path
eth: bnxt: fix counting packets discarded due to OOM and netpoll
igc: Fix LED-related deadlock on driver unbind
...
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Coverity spotted that the cifs_sync_mid_result function could deadlock
"Thread deadlock (ORDER_REVERSAL) lock_order: Calling spin_lock acquires
lock TCP_Server_Info.srv_lock while holding lock TCP_Server_Info.mid_lock"
Addresses-Coverity: 1590401 ("Thread deadlock (ORDER_REVERSAL)")
Cc: stable@vger.kernel.org
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Coverity spotted a place where we should have been holding the
channel lock when accessing the ses channel index.
Addresses-Coverity: 1582039 ("Data race condition (MISSING_LOCK)")
Cc: stable@vger.kernel.org
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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The prior strlcpy() replacement of strncpy() here (which was
later replaced with strscpy()) expected pinfo->model_num (and
pinfo->model_description) to be NUL-terminated, but it is possible
it was not, as the code pattern here shows vha->hw->model_number (and
vha->hw->model_desc) being exactly 1 character larger, and the replaced
strncpy() was copying only up to the size of the source character
array. Replace this with memtostr(), which is the unambiguous way to
convert a maybe not-NUL-terminated character array into a NUL-terminated
string.
Fixes: 527e9b704c3d ("scsi: qla2xxx: Use memcpy() and strlcpy() instead of strcpy() and strncpy()")
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20240410023155.2100422-5-keescook@chromium.org
Signed-off-by: Kees Cook <keescook@chromium.org>
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The prior use of strscpy() here expected the manufacture_reply strings to
be NUL-terminated, but it is possible they are not, as the code pattern
here shows, e.g., edev->vendor_id being exactly 1 character larger than
manufacture_reply->vendor_id, and the strscpy() was copying only up to
the size of the source character array. Replace this with memtostr(),
which is the unambiguous way to convert a maybe not-NUL-terminated
character array into a NUL-terminated string.
Fixes: 2bd37e284914 ("scsi: mpi3mr: Add framework to issue MPT transport cmds")
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20240410023155.2100422-4-keescook@chromium.org
Signed-off-by: Kees Cook <keescook@chromium.org>
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The prior strscpy() replacement of strncpy() here expected the
manufacture_reply strings to be NUL-terminated, but it is possible
they are not, as the code pattern here shows, e.g., edev->vendor_id
being exactly 1 character larger than manufacture_reply->vendor_id,
and the replaced strncpy() was copying only up to the size of the
source character array. Replace this with memtostr(), which is the
unambiguous way to convert a maybe not-NUL-terminated character array
into a NUL-terminated string.
Reported-by: Charles Bertsch <cbertsch@cox.net>
Closes: https://lore.kernel.org/all/5445ba0f-3e27-4d43-a9ba-0cc22ada2fce@cox.net/
Fixes: 45e833f0e5bb ("scsi: message: fusion: Replace deprecated strncpy() with strscpy()")
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20240410023155.2100422-2-keescook@chromium.org
Signed-off-by: Kees Cook <keescook@chromium.org>
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* acpi-cppc:
ACPI: CPPC: Fix access width used for PCC registers
ACPI: CPPC: Fix bit_offset shift in MASK_VAL() macro
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T-Head's memory attribute extension (XTheadMae) (non-compatible
equivalent of RVI's Svpbmt) is currently assumed for all T-Head harts.
However, QEMU recently decided to drop acceptance of guests that write
reserved bits in PTEs.
As XTheadMae uses reserved bits in PTEs and Linux applies the MAE errata
for all T-Head harts, this broke the Linux startup on QEMU emulations
of the C906 emulation.
This patch attempts to address this issue by testing the MAE-enable bit
in the th.sxstatus CSR. This CSR is available in HW and can be
emulated in QEMU.
This patch also makes the XTheadMae probing mechanism reliable, because
a test for the right combination of mvendorid, marchid, and mimpid
is not sufficient to enable MAE.
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu>
Link: https://lore.kernel.org/r/20240407213236.2121592-3-christoph.muellner@vrull.eu
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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T-Head's vendor extension to set page attributes has the name
MAE (memory attribute extension).
Let's rename it, so it is clear what this referes to.
Link: https://github.com/T-head-Semi/thead-extension-spec/blob/master/xtheadmae.adoc
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu>
Link: https://lore.kernel.org/r/20240407213236.2121592-2-christoph.muellner@vrull.eu
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
|
|
When I did memory failure tests recently, below warning occurs:
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 8 PID: 1011 at kernel/locking/lockdep.c:232 __lock_acquire+0xccb/0x1ca0
Modules linked in: mce_inject hwpoison_inject
CPU: 8 PID: 1011 Comm: bash Kdump: loaded Not tainted 6.9.0-rc3-next-20240410-00012-gdb69f219f4be #3
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:__lock_acquire+0xccb/0x1ca0
RSP: 0018:ffffa7a1c7fe3bd0 EFLAGS: 00000082
RAX: 0000000000000000 RBX: eb851eb853975fcf RCX: ffffa1ce5fc1c9c8
RDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffffa1ce5fc1c9c0
RBP: ffffa1c6865d3280 R08: ffffffffb0f570a8 R09: 0000000000009ffb
R10: 0000000000000286 R11: ffffffffb0f2ad50 R12: ffffa1c6865d3d10
R13: ffffa1c6865d3c70 R14: 0000000000000000 R15: 0000000000000004
FS: 00007ff9f32aa740(0000) GS:ffffa1ce5fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff9f3134ba0 CR3: 00000008484e4000 CR4: 00000000000006f0
Call Trace:
<TASK>
lock_acquire+0xbe/0x2d0
_raw_spin_lock_irqsave+0x3a/0x60
hugepage_subpool_put_pages.part.0+0xe/0xc0
free_huge_folio+0x253/0x3f0
dissolve_free_huge_page+0x147/0x210
__page_handle_poison+0x9/0x70
memory_failure+0x4e6/0x8c0
hard_offline_page_store+0x55/0xa0
kernfs_fop_write_iter+0x12c/0x1d0
vfs_write+0x380/0x540
ksys_write+0x64/0xe0
do_syscall_64+0xbc/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff9f3114887
RSP: 002b:00007ffecbacb458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff9f3114887
RDX: 000000000000000c RSI: 0000564494164e10 RDI: 0000000000000001
RBP: 0000564494164e10 R08: 00007ff9f31d1460 R09: 000000007fffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c
R13: 00007ff9f321b780 R14: 00007ff9f3217600 R15: 00007ff9f3216a00
</TASK>
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 8 PID: 1011 Comm: bash Kdump: loaded Not tainted 6.9.0-rc3-next-20240410-00012-gdb69f219f4be #3
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
<TASK>
panic+0x326/0x350
check_panic_on_warn+0x4f/0x50
__warn+0x98/0x190
report_bug+0x18e/0x1a0
handle_bug+0x3d/0x70
exc_invalid_op+0x18/0x70
asm_exc_invalid_op+0x1a/0x20
RIP: 0010:__lock_acquire+0xccb/0x1ca0
RSP: 0018:ffffa7a1c7fe3bd0 EFLAGS: 00000082
RAX: 0000000000000000 RBX: eb851eb853975fcf RCX: ffffa1ce5fc1c9c8
RDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffffa1ce5fc1c9c0
RBP: ffffa1c6865d3280 R08: ffffffffb0f570a8 R09: 0000000000009ffb
R10: 0000000000000286 R11: ffffffffb0f2ad50 R12: ffffa1c6865d3d10
R13: ffffa1c6865d3c70 R14: 0000000000000000 R15: 0000000000000004
lock_acquire+0xbe/0x2d0
_raw_spin_lock_irqsave+0x3a/0x60
hugepage_subpool_put_pages.part.0+0xe/0xc0
free_huge_folio+0x253/0x3f0
dissolve_free_huge_page+0x147/0x210
__page_handle_poison+0x9/0x70
memory_failure+0x4e6/0x8c0
hard_offline_page_store+0x55/0xa0
kernfs_fop_write_iter+0x12c/0x1d0
vfs_write+0x380/0x540
ksys_write+0x64/0xe0
do_syscall_64+0xbc/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff9f3114887
RSP: 002b:00007ffecbacb458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff9f3114887
RDX: 000000000000000c RSI: 0000564494164e10 RDI: 0000000000000001
RBP: 0000564494164e10 R08: 00007ff9f31d1460 R09: 000000007fffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c
R13: 00007ff9f321b780 R14: 00007ff9f3217600 R15: 00007ff9f3216a00
</TASK>
After git bisecting and digging into the code, I believe the root cause is
that _deferred_list field of folio is unioned with _hugetlb_subpool field.
In __update_and_free_hugetlb_folio(), folio->_deferred_list is
initialized leading to corrupted folio->_hugetlb_subpool when folio is
hugetlb. Later free_huge_folio() will use _hugetlb_subpool and above
warning happens.
But it is assumed hugetlb flag must have been cleared when calling
folio_put() in update_and_free_hugetlb_folio(). This assumption is broken
due to below race:
CPU1 CPU2
dissolve_free_huge_page update_and_free_pages_bulk
update_and_free_hugetlb_folio hugetlb_vmemmap_restore_folios
folio_clear_hugetlb_vmemmap_optimized
clear_flag = folio_test_hugetlb_vmemmap_optimized
if (clear_flag) <-- False, it's already cleared.
__folio_clear_hugetlb(folio) <-- Hugetlb is not cleared.
folio_put
free_huge_folio <-- free_the_page is expected.
list_for_each_entry()
__folio_clear_hugetlb <-- Too late.
Fix this issue by checking whether folio is hugetlb directly instead of
checking clear_flag to close the race window.
Link: https://lkml.kernel.org/r/20240419085819.1901645-1-linmiaohe@huawei.com
Fixes: 32c877191e02 ("hugetlb: do not clear hugetlb dtor until allocating vmemmap")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
|
script
The save/restore of nr_hugepages was added to the test itself by using the
atexit() functionality. But it is broken as parent exits after creating
child. Hence calling the atexit() function early. That's not it. The
child exits after creating its child and so on.
The parent cannot wait to get the termination status for its children as
it'll keep on holding the resources until the new pkey allocation fails.
It is impossible to wait for exits of all the grand and great grand
children. Hence the restoring of nr_hugepages value from parent is wrong.
Let's save/restore the nr_hugepages settings in the launch script
instead of doing it in the test.
Link: https://lkml.kernel.org/r/20240419115027.3848958-1-usama.anjum@collabora.com
Fixes: c52eb6db7b7d ("selftests: mm: restore settings from only parent process")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Reported-by: Joey Gouly <joey.gouly@arm.com>
Closes: https://lore.kernel.org/all/20240418125250.GA2941398@e124191.cambridge.arm.com
Cc: Joey Gouly <joey.gouly@arm.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
|
Currently, the sud_test expects the emulated syscall to return the
emulated syscall number. This assumption only works on architectures
were the syscall calling convention use the same register for syscall
number/syscall return value. This is not the case for RISC-V and thus
the return value must be also emulated using the provided ucontext.
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Link: https://lore.kernel.org/r/20231206134438.473166-1-cleger@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fixes from Chuck Lever:
- Revert some backchannel fixes that went into v6.9-rc
* tag 'nfsd-6.9-5' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
Revert "NFSD: Convert the callback workqueue to use delayed_work"
Revert "NFSD: Reschedule CB operations when backchannel rpc_clnt is shut down"
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Benjamin Tissoires:
- A couple of i2c-hid fixes (Kenny Levinsen & Nam Cao)
- A config issue with mcp-2221 when CONFIG_IIO is not enabled
(Abdelrahman Morsy)
- A dev_err fix in intel-ish-hid (Zhang Lixu)
- A couple of mouse fixes for both nintendo and Logitech-dj (Nuno
Pereira and Yaraslau Furman)
- I'm changing my main kernel email address as it's way simpler for me
than the Red Hat one (Benjamin Tissoires)
* tag 'for-linus-2024042501' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: mcp-2221: cancel delayed_work only when CONFIG_IIO is enabled
HID: logitech-dj: allow mice to use all types of reports
HID: i2c-hid: Revert to await reset ACK before reading report descriptor
HID: nintendo: Fix N64 controller being identified as mouse
MAINTAINERS: update Benjamin's email address
HID: intel-ish-hid: ipc: Fix dev_err usage with uninitialized dev->devc
HID: i2c-hid: remove I2C_HID_READ_PENDING flag to prevent lock-up
|
|
When logging errors, the driver currently logs the total error count.
However, it should log the current error only. Fix it.
[ bp: Rewrite text. ]
Fixes: 6f15b178cd63 ("EDAC/versal: Add a Xilinx Versal memory controller driver")
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240425121942.26378-4-shubhrajyoti.datta@amd.com
|
|
The function inject_data_ue_store() lacks a NULL check for the user
passed values. To prevent below kernel crash include a NULL check.
Call trace:
kstrtoull
kstrtou8
inject_data_ue_store
full_proxy_write
vfs_write
ksys_write
__arm64_sys_write
invoke_syscall
el0_svc_common.constprop.0
do_el0_svc
el0_svc
el0t_64_sync_handler
el0t_64_sync
Fixes: 83bf24051a60 ("EDAC/versal: Make the bit position of injected errors configurable")
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240425121942.26378-3-shubhrajyoti.datta@amd.com
|
|
New CPU #defines encode vendor and family as well as model.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/all/20240424181500.41538-1-tony.luck%40intel.com
|
|
New CPU #defines encode vendor and family as well as model.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/all/20240424181500.41519-1-tony.luck%40intel.com
|
|
New CPU #defines encode vendor and family as well as model.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/all/20240424181459.41500-1-tony.luck%40intel.com
|
|
The NOC errors are not handled in the driver. Remove the request for
registration.
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240425121942.26378-2-shubhrajyoti.datta@amd.com
|
|
When e.g. 8 bytes are to be read, sgm->consumed equals 8 immediately after
sg_miter_next() call. The driver then increments it as bytes are read,
so sgm->consumed becomes 16 and this warning triggers in sg_miter_stop():
WARN_ON(miter->consumed > miter->length);
WARNING: CPU: 0 PID: 28 at lib/scatterlist.c:925 sg_miter_stop+0x2c/0x10c
CPU: 0 PID: 28 Comm: kworker/0:2 Tainted: G W 6.9.0-rc5-dirty #249
Hardware name: Generic DT based system
Workqueue: events_freezable mmc_rescan
Call trace:.
unwind_backtrace from show_stack+0x10/0x14
show_stack from dump_stack_lvl+0x44/0x5c
dump_stack_lvl from __warn+0x78/0x16c
__warn from warn_slowpath_fmt+0xb0/0x160
warn_slowpath_fmt from sg_miter_stop+0x2c/0x10c
sg_miter_stop from moxart_request+0xb0/0x468
moxart_request from mmc_start_request+0x94/0xa8
mmc_start_request from mmc_wait_for_req+0x60/0xa8
mmc_wait_for_req from mmc_app_send_scr+0xf8/0x150
mmc_app_send_scr from mmc_sd_setup_card+0x1c/0x420
mmc_sd_setup_card from mmc_sd_init_card+0x12c/0x4dc
mmc_sd_init_card from mmc_attach_sd+0xf0/0x16c
mmc_attach_sd from mmc_rescan+0x1e0/0x298
mmc_rescan from process_scheduled_works+0x2e4/0x4ec
process_scheduled_works from worker_thread+0x1ec/0x24c
worker_thread from kthread+0xd4/0xe0
kthread from ret_from_fork+0x14/0x38
This patch adds initial zeroing of sgm->consumed. It is then incremented
as bytes are read or written.
Signed-off-by: Sergei Antonov <saproj@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Fixes: 3ee0e7c3e67c ("mmc: moxart-mmc: Use sg_miter for PIO")
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240422153607.963672-1-saproj@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter/IPVS fixes for net
The following patchset contains two Netfilter/IPVS fixes for net:
Patch #1 fixes SCTP checksumming for IPVS with gso packets,
from Ismael Luceno.
Patch #2 honor dormant flag from netdev event path to fix a possible
double hook unregistration.
* tag 'nf-24-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nf_tables: honor table dormant flag from netdev release event path
ipvs: Fix checksumming on GSO of SCTP packets
====================
Link: https://lore.kernel.org/r/20240425090149.1359547-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
syzbot reported a lockdep splat regarding unix_gc_lock and
unix_state_lock().
One is called from recvmsg() for a connected socket, and another
is called from GC for TCP_LISTEN socket.
So, the splat is false-positive.
Let's add a dedicated lock class for the latter to suppress the splat.
Note that this change is not necessary for net-next.git as the issue
is only applied to the old GC impl.
[0]:
WARNING: possible circular locking dependency detected
6.9.0-rc5-syzkaller-00007-g4d2008430ce8 #0 Not tainted
-----------------------------------------------------
kworker/u8:1/11 is trying to acquire lock:
ffff88807cea4e70 (&u->lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
ffff88807cea4e70 (&u->lock){+.+.}-{2:2}, at: __unix_gc+0x40e/0xf70 net/unix/garbage.c:302
but task is already holding lock:
ffffffff8f6ab638 (unix_gc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
ffffffff8f6ab638 (unix_gc_lock){+.+.}-{2:2}, at: __unix_gc+0x117/0xf70 net/unix/garbage.c:261
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (unix_gc_lock){+.+.}-{2:2}:
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:351 [inline]
unix_notinflight+0x13d/0x390 net/unix/garbage.c:140
unix_detach_fds net/unix/af_unix.c:1819 [inline]
unix_destruct_scm+0x221/0x350 net/unix/af_unix.c:1876
skb_release_head_state+0x100/0x250 net/core/skbuff.c:1188
skb_release_all net/core/skbuff.c:1200 [inline]
__kfree_skb net/core/skbuff.c:1216 [inline]
kfree_skb_reason+0x16d/0x3b0 net/core/skbuff.c:1252
kfree_skb include/linux/skbuff.h:1262 [inline]
manage_oob net/unix/af_unix.c:2672 [inline]
unix_stream_read_generic+0x1125/0x2700 net/unix/af_unix.c:2749
unix_stream_splice_read+0x239/0x320 net/unix/af_unix.c:2981
do_splice_read fs/splice.c:985 [inline]
splice_file_to_pipe+0x299/0x500 fs/splice.c:1295
do_splice+0xf2d/0x1880 fs/splice.c:1379
__do_splice fs/splice.c:1436 [inline]
__do_sys_splice fs/splice.c:1652 [inline]
__se_sys_splice+0x331/0x4a0 fs/splice.c:1634
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #0 (&u->lock){+.+.}-{2:2}:
check_prev_add kernel/locking/lockdep.c:3134 [inline]
check_prevs_add kernel/locking/lockdep.c:3253 [inline]
validate_chain+0x18cb/0x58e0 kernel/locking/lockdep.c:3869
__lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:351 [inline]
__unix_gc+0x40e/0xf70 net/unix/garbage.c:302
process_one_work kernel/workqueue.c:3254 [inline]
process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3335
worker_thread+0x86d/0xd70 kernel/workqueue.c:3416
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(unix_gc_lock);
lock(&u->lock);
lock(unix_gc_lock);
lock(&u->lock);
*** DEADLOCK ***
3 locks held by kworker/u8:1/11:
#0: ffff888015089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3229 [inline]
#0: ffff888015089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x17c0 kernel/workqueue.c:3335
#1: ffffc90000107d00 (unix_gc_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3230 [inline]
#1: ffffc90000107d00 (unix_gc_work){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x17c0 kernel/workqueue.c:3335
#2: ffffffff8f6ab638 (unix_gc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
#2: ffffffff8f6ab638 (unix_gc_lock){+.+.}-{2:2}, at: __unix_gc+0x117/0xf70 net/unix/garbage.c:261
stack backtrace:
CPU: 0 PID: 11 Comm: kworker/u8:1 Not tainted 6.9.0-rc5-syzkaller-00007-g4d2008430ce8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events_unbound __unix_gc
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2187
check_prev_add kernel/locking/lockdep.c:3134 [inline]
check_prevs_add kernel/locking/lockdep.c:3253 [inline]
validate_chain+0x18cb/0x58e0 kernel/locking/lockdep.c:3869
__lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:351 [inline]
__unix_gc+0x40e/0xf70 net/unix/garbage.c:302
process_one_work kernel/workqueue.c:3254 [inline]
process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3335
worker_thread+0x86d/0xd70 kernel/workqueue.c:3416
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
Fixes: 47d8ac011fe1 ("af_unix: Fix garbage collector racing against connect()")
Reported-and-tested-by: syzbot+fa379358c28cc87cc307@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=fa379358c28cc87cc307
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240424170443.9832-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Remove argument `params` from the `module` macro example, because the
macro does not currently support module parameters since it was not sent
with the initial merge.
Signed-off-by: Aswin Unnikrishnan <aswinunni01@gmail.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Cc: stable@vger.kernel.org
Fixes: 1fbde52bde73 ("rust: add `macros` crate")
Link: https://lore.kernel.org/r/20240419215015.157258-1-aswinunni01@gmail.com
[ Reworded slightly. ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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