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Patch series "Add __alloc_size()", v3.
GCC and Clang both use the "alloc_size" attribute to assist with bounds
checking around the use of allocation functions. Add the attribute,
adjust the Makefile to silence needless warnings, and add the hints to
the allocators where possible. These changes have been in use for a
while now in GrapheneOS.
This patch (of 8):
After adding __alloc_size attributes to the allocators, GCC 9.3 (but not
later) may incorrectly evaluate the arguments to check_copy_size(),
getting seemingly confused by the size being returned from array_size().
Instead, perform the calculation once, which both makes the code more
readable and avoids the bug in GCC.
In file included from arch/x86/include/asm/preempt.h:7,
from include/linux/preempt.h:78,
from include/linux/spinlock.h:55,
from include/linux/mm_types.h:9,
from include/linux/buildid.h:5,
from include/linux/module.h:14,
from drivers/rapidio/devices/rio_mport_cdev.c:13:
In function 'check_copy_size',
inlined from 'copy_from_user' at include/linux/uaccess.h:191:6,
inlined from 'rio_mport_transfer_ioctl' at drivers/rapidio/devices/rio_mport_cdev.c:983:6:
include/linux/thread_info.h:213:4: error: call to '__bad_copy_to' declared with attribute error: copy destination size is too small
213 | __bad_copy_to();
| ^~~~~~~~~~~~~~~
But the allocation size and the copy size are identical:
transfer = vmalloc(array_size(sizeof(*transfer), transaction.count));
if (!transfer)
return -ENOMEM;
if (unlikely(copy_from_user(transfer,
(void __user *)(uintptr_t)transaction.block,
array_size(sizeof(*transfer), transaction.count)))) {
Link: https://lkml.kernel.org/r/20210930222704.2631604-1-keescook@chromium.org
Link: https://lkml.kernel.org/r/20210930222704.2631604-2-keescook@chromium.org
Link: https://lore.kernel.org/linux-mm/202109091134.FHnRmRxu-lkp@intel.com/
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Alexandre Bounine <alex.bou9@gmail.com>
Cc: Jing Xiangfeng <jingxiangfeng@huawei.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Souptick Joarder <jrdr.linux@gmail.com>
Cc: Gustavo A. R. Silva <gustavoars@kernel.org>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Daniel Micay <danielmicay@gmail.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Dennis Zhou <dennis@kernel.org>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Joe Perches <joe@perches.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Not all files in the kernel should include mm.h. Migrating callers from
kmalloc to kvmalloc is easier if the kvmalloc functions are in slab.h.
[akpm@linux-foundation.org: move the new kvrealloc() also]
[akpm@linux-foundation.org: drivers/hwmon/occ/p9_sbe.c needs slab.h]
Link: https://lkml.kernel.org/r/20210622215757.3525604-1-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Three small fixes, all in drivers, and one sizeable update to the UFS
driver to remove the HPB 2.0 feature that has been objected to by Jens
and Christoph.
Although the UFS patch is large and last minute, it's essentially the
least intrusive way of resolving the objections in time for the 5.15
release"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: ufshpb: Remove HPB2.0 flows
scsi: mpt3sas: Fix reference tag handling for WRITE_INSERT
scsi: ufs: ufs-exynos: Correct timeout value setting registers
scsi: ibmvfc: Fix up duplicate response detection
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fix from Stephen Boyd:
"One fix for the composite clk that broke when we changed this clk type
to use the determine_rate instead of round_rate clk op by default.
This caused lots of problems on Rockchip SoCs because they heavily use
the composite clk code to model the clk tree"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: composite: Also consider .determine_rate for rate + mux composites
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The Host Performance Buffer feature allows UFS read commands to carry the
physical media addresses along with the LBAs, thus allowing less internal
L2P-table switches in the device. HPB1.0 allowed a single LBA, while
HPB2.0 increases this capacity up to 255 blocks.
Carrying more than a single record, the read operation is no longer purely
of type "read" but a "hybrid" command: Writing the physical address to the
device in one operation and reading back the required payload in another.
The JEDEC HPB spec defines two commands for this operation:
HPB-WRITE-BUFFER (0x2) to write the physical addresses to device, and
HPB-READ to read the payload.
With the current HPB design the UFS driver has no alternative but to divide
the READ request into 2 separate commands: HPB-WRITE-BUFFER and HPB-READ.
This causes a great deal of aggravation to the block layer guys who
demanded that we completely revert the entire HPB driver regardless of the
huge amount of corporate effort already invested in it.
As a compromise, remove only the pieces that implement the 2.0
specification. This is done as a matter of urgency for the final 5.15
release.
Link: https://lore.kernel.org/r/20211030062301.248-1-avri.altman@wdc.com
Tested-by: Avri Altman <avri.altman@wdc.com>
Tested-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Co-developed-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix the return value check when parsing the ngpios property in
gpio-xgs-iproc
- check the return value of bgpio_init() in gpio-mlxbf2
* tag 'gpio-fixes-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: mlxbf2.c: Add check for bgpio_init failure
gpio: xgs-iproc: fix parsing of ngpios property
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Pull block fixes from Jens Axboe:
- NVMe pull request:
- fix nvmet-tcp header digest verification (Amit Engel)
- fix a memory leak in nvmet-tcp when releasing a queue (Maurizio
Lombardi)
- fix nvme-tcp H2CData PDU send accounting again (Sagi Grimberg)
- fix digest pointer calculation in nvme-tcp and nvmet-tcp (Varun
Prakash)
- fix possible nvme-tcp req->offset corruption (Varun Prakash)
- Queue drain ordering fix (Ming)
- Partition check regression for zoned devices (Shin'ichiro)
- Zone queue restart fix (Naohiro)
* tag 'block-5.15-2021-10-29' of git://git.kernel.dk/linux-block:
block: Fix partition check for host-aware zoned block devices
nvmet-tcp: fix header digest verification
nvmet-tcp: fix data digest pointer calculation
nvme-tcp: fix data digest pointer calculation
nvme-tcp: fix possible req->offset corruption
block: schedule queue restart after BLK_STS_ZONE_RESOURCE
block: drain queue after disk is removed from sysfs
nvme-tcp: fix H2CData PDU send accounting (again)
nvmet-tcp: fix a memory leak when releasing a queue
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Testing revealed a problem with how the reference tag was handled for
a WRITE_INSERT operation. The SCSI_PROT_REF_CHECK flag is not set when
the controller is asked to generate the protection information
(i.e. not DIX). And as a result the initial reference tag would not be
set in the WRITE_INSERT case.
Separate handling of the REF_CHECK and REF_INCREMENT flags to align
with both the DIX spec and the MPI implementation.
Link: https://lore.kernel.org/r/20211028034202.24225-1-martin.petersen@oracle.com
Fixes: b3e2c72af1d5 ("scsi: mpt3sas: Use the proper SCSI midlayer interfaces for PI")
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
- tmio: Re-enable card irqs after a reset
- mtk-sd: Fixup probing of cqhci for crypto
- cqhci: Fix support for suspend/resume
- vub300: Fix control-message timeouts
- dw_mmc-exynos: Fix support for tuning
- winbond: Silences build errors on M68K
- sdhci-esdhc-imx: Fix support for tuning
- sdhci-pci: Read card detect from ACPI for Intel Merrifield
- sdhci: Fix eMMC support for Thundercomm TurboX CM2290
* tag 'mmc-v5.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: tmio: reenable card irqs after the reset callback
mmc: mediatek: Move cqhci init behind ungate clock
mmc: cqhci: clear HALT state after CQE enable
mmc: vub300: fix control-message timeouts
mmc: dw_mmc: exynos: fix the finding clock sample value
mmc: winbond: don't build on M68K
mmc: sdhci-esdhc-imx: clear the buffer_read_ready to reset standard tuning circuit
mmc: sdhci-pci: Read card detect from ACPI for Intel Merrifield
mmc: sdhci: Map more voltage level to SDHCI_POWER_330
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fix from Dan Williams:
- Fix a regression introduced in v5.15-rc6 that caused nvdimm namespace
shutdown to hang due to reworks in the block layer q_usage_count.
* tag 'libnvdimm-fixes-5.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nvdimm/pmem: stop using q_usage_count as external pgmap refcount
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The reset callback may clear the internal card detect interrupts, so
make sure to reenable them if needed.
Fixes: b4d86f37eacb ("mmc: renesas_sdhi: do hard reset if possible")
Reported-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20211028195149.8003-1-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Pull drm fixes from Dave Airlie:
"Quiet but not too quiet, I blame Halloween.
The first set of amdgpu fixes missed last week, hence why this has a
few more of them, it's mostly display fixes for new GPUs and some
debugfs OOB stuff.
The i915 patches have one to remove a tracepoint possible issue before
it's a real problem, the others around cflush and display are cc'ed to
stable as well.
Otherwise it's just a few misc fixes.
Summary:
MAINTAINERS:
- Fix the path pattern
ttm:
- Fix fence leak in ttm_transfered_destroy.
core:
- Add GPD Win3 rotation quirk
i915:
- Remove unconditional clflushes
- Fix oops on boot due to sync state on disabled DP encoders
- Revert backend specific data added to tracepoints
- Remove useless and incorrect memory frequence calculation
panel:
- Add quirk for Aya Neo 2021
seltest:
- Reset property count for each drm damage selftest so full run will
work correctly.
amdgpu:
- Fix two potential out of bounds writes in debugfs
- Fix revision handling for Yellow Carp
- Display fixes for Yellow Carp
- Display fixes for DCN 3.1"
* tag 'drm-fixes-2021-10-29' of git://anongit.freedesktop.org/drm/drm: (21 commits)
MAINTAINERS: dri-devel is for all of drivers/gpu
drm/i915: Revert 'guc_id' from i915_request tracepoint
drm/amd/display: Fix deadlock when falling back to v2 from v3
drm/amd/display: Fallback to clocks which meet requested voltage on DCN31
drm/amdgpu: Fix even more out of bound writes from debugfs
drm: panel-orientation-quirks: Add quirk for GPD Win3
drm/i915/dp: Skip the HW readout of DPCD on disabled encoders
drm/i915: Catch yet another unconditioal clflush
drm/i915: Convert unconditional clflush to drm_clflush_virt_range()
drm/i915/selftests: Properly reset mock object propers for each test
drm: panel-orientation-quirks: Add quirk for Aya Neo 2021
drm/ttm: fix memleak in ttm_transfered_destroy
drm/amdgpu: support B0&B1 external revision id for yellow carp
drm/amd/display: Moved dccg init to after bios golden init
drm/amd/display: Increase watermark latencies for DCN3.1
drm/amd/display: increase Z9 latency to workaround underflow in Z9
drm/amd/display: Require immediate flip support for DCN3.1 planes
drm/amd/display: Fix prefetch bandwidth calculation for DCN3.1
drm/amd/display: Limit display scaling to up to true 4k for DCN 3.1
drm/amdgpu: fix out of bounds write
...
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v5.15 final:
- Remove unconditional clflushes
- Fix oops on boot due to sync state on disabled DP encoders
- Revert backend specific data added to tracepoints
- Remove useless and incorrect memory frequence calculation
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/8735olh27y.fsf@intel.com
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from WiFi (mac80211), and BPF.
Current release - regressions:
- skb_expand_head: adjust skb->truesize to fix socket memory
accounting
- mptcp: fix corrupt receiver key in MPC + data + checksum
Previous releases - regressions:
- multicast: calculate csum of looped-back and forwarded packets
- cgroup: fix memory leak caused by missing cgroup_bpf_offline
- cfg80211: fix management registrations locking, prevent list
corruption
- cfg80211: correct false positive in bridge/4addr mode check
- tcp_bpf: fix race in the tcp_bpf_send_verdict resulting in reusing
previous verdict
Previous releases - always broken:
- sctp: enhancements for the verification tag, prevent attackers from
killing SCTP sessions
- tipc: fix size validations for the MSG_CRYPTO type
- mac80211: mesh: fix HE operation element length check, prevent out
of bound access
- tls: fix sign of socket errors, prevent positive error codes being
reported from read()/write()
- cfg80211: scan: extend RCU protection in
cfg80211_add_nontrans_list()
- implement ->sock_is_readable() for UDP and AF_UNIX, fix poll() for
sockets in a BPF sockmap
- bpf: fix potential race in tail call compatibility check resulting
in two operations which would make the map incompatible succeeding
- bpf: prevent increasing bpf_jit_limit above max
- bpf: fix error usage of map_fd and fdget() in generic batch update
- phy: ethtool: lock the phy for consistency of results
- prevent infinite while loop in skb_tx_hash() when Tx races with
driver reconfiguring the queue <> traffic class mapping
- usbnet: fixes for bad HW conjured by syzbot
- xen: stop tx queues during live migration, prevent UAF
- net-sysfs: initialize uid and gid before calling
net_ns_get_ownership
- mlxsw: prevent Rx stalls under memory pressure"
* tag 'net-5.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (67 commits)
Revert "net: hns3: fix pause config problem after autoneg disabled"
mptcp: fix corrupt receiver key in MPC + data + checksum
riscv, bpf: Fix potential NULL dereference
octeontx2-af: Fix possible null pointer dereference.
octeontx2-af: Display all enabled PF VF rsrc_alloc entries.
octeontx2-af: Check whether ipolicers exists
net: ethernet: microchip: lan743x: Fix skb allocation failure
net/tls: Fix flipped sign in async_wait.err assignment
net/tls: Fix flipped sign in tls_err_abort() calls
net/smc: Correct spelling mistake to TCPF_SYN_RECV
net/smc: Fix smc_link->llc_testlink_time overflow
nfp: bpf: relax prog rejection for mtu check through max_pkt_offset
vmxnet3: do not stop tx queues after netif_device_detach()
r8169: Add device 10ec:8162 to driver r8169
ptp: Document the PTP_CLK_MAGIC ioctl number
usbnet: fix error return code in usbnet_probe()
net: hns3: adjust string spaces of some parameters of tx bd info in debugfs
net: hns3: expand buffer len for some debugfs command
net: hns3: add more string spaces for dumping packets number of queue info in debugfs
net: hns3: fix data endian problem of some functions of debugfs
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A couple of final driver specific fixes for v5.15, one fixing
potential ID collisions between two instances of the Altera driver and
one making Microwire full duplex mode actually work on pl022"
* tag 'spi-fix-v5.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spl022: fix Microwire full duplex mode
spi: altera: Change to dynamic allocation of spi id
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap fix from Mark Brown:
"This fixes a potential double free when handling an out of memory
error inserting a node into an rbtree regcache"
* tag 'regmap-fix-v5.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: Fix possible double-free in regcache_rbtree_exit()
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git://www.linux-watchdog.org/linux-watchdog
Pull watchdog fixes from Wim Van Sebroeck:
"I overlooked Guenters request to sent this upstream earlier, so it's a
bit late in the release cycle.
This contains:
- Revert "watchdog: iTCO_wdt: Account for rebooting on second
timeout"
- sbsa: only use 32-bit accessors
- sbsa: drop unneeded MODULE_ALIAS
- ixp4xx_wdt: Fix address space warning
- Fix OMAP watchdog early handling"
* tag 'linux-watchdog-5.15-rc7' of git://www.linux-watchdog.org/linux-watchdog:
watchdog: Fix OMAP watchdog early handling
watchdog: ixp4xx_wdt: Fix address space warning
watchdog: sbsa: drop unneeded MODULE_ALIAS
watchdog: sbsa: only use 32-bit accessors
Revert "watchdog: iTCO_wdt: Account for rebooting on second timeout"
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This reverts commit 3bda2e5df476417b6d08967e2d84234a59d57b1c.
According to discussion with Andrew as follow:
https://lore.kernel.org/netdev/09eda9fe-196b-006b-6f01-f54e75715961@huawei.com/
HNS3 driver needs to separate pause autoneg from general autoneg, so revert
this incorrect patch.
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Link: https://lore.kernel.org/r/20211028140624.53149-1-huangguangbin2@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This patch fixes possible null pointer dereference in files
"rvu_debugfs.c" and "rvu_nix.c"
Fixes: 8756828a8148 ("octeontx2-af: Add NPA aura and pool contexts to debugfs")
Fixes: 9a946def264d ("octeontx2-af: Modify nix_vtag_cfg mailbox to support TX VTAG entries")
Signed-off-by: Rakesh Babu Saladi <rsaladi2@marvell.com>
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, we are using a fixed buffer size of length 2048 to display
rsrc_alloc output. As a result a maximum of 2048 characters of
rsrc_alloc output is displayed, which may lead sometimes to display only
partial output. This patch fixes this dependency on max limit of buffer
size and displays all PF VF entries.
Each column of the debugfs entry "rsrc_alloc" uses a fixed width of 12
characters to print the list of LFs of each block for a PF/VF. If the
length of list of LFs of a block exceeds this fixed width then the list
gets truncated and displays only a part of the list. This patch fixes
this by using the maximum possible length of list of LFs among all
blocks of all PFs and VFs entries as the width size.
Fixes: f7884097141b ("octeontx2-af: Formatting debugfs entry rsrc_alloc.")
Fixes: 23205e6d06d4 ("octeontx2-af: Dump current resource provisioning status")
Signed-off-by: Rakesh Babu <rsaladi2@marvell.com>
Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <Sunil.Goutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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While displaying ingress policers information in
debugfs check whether ingress policers exist in
the hardware or not because some platforms(CN9XXX)
do not have this feature.
Fixes: e7d8971763f3 ("octeontx2-af: cn10k: Debugfs support for bandwidth")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Rakesh Babu <rsaladi2@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver allocates skb during ndo_open with GFP_ATOMIC which has high chance of failure when there are multiple instances.
GFP_KERNEL is enough while open and use GFP_ATOMIC only from interrupt context.
Fixes: 23f0703c125b ("lan743x: Add main source files for new lan743x driver")
Signed-off-by: Yuiko Oshino <yuiko.oshino@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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MTU change is refused whenever the value of new MTU is bigger than
the max packet bytes that fits in NFP Cluster Target Memory (CTM).
However, an eBPF program doesn't always need to access the whole
packet data.
The maximum direct packet access (DPA) offset has always been
caculated by verifier and stored in the max_pkt_offset field of prog
aux data.
Signed-off-by: Yu Xiao <yu.xiao@corigine.com>
Reviewed-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Reviewed-by: Niklas Soderlund <niklas.soderlund@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The netif_device_detach() conditionally stops all tx queues if the queues
are running. There is no need to call netif_tx_stop_all_queues() again.
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We must enable clock before cqhci init, because crypto needs read
information from CQHCI registers, otherwise, it will hang in MediaTek mmc
host controller.
Signed-off-by: Wenbin Mei <wenbin.mei@mediatek.com>
Fixes: 88bd652b3c74 ("mmc: mediatek: command queue support")
Cc: stable@vger.kernel.org
Acked-by: Chaotian Jing <chaotian.jing@mediatek.com>
Link: https://lore.kernel.org/r/20211028022049.22129-1-wenbin.mei@mediatek.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Avoid adding backend specific data to the tracepoints outside of
the LOW_LEVEL_TRACEPOINTS kernel config protection. These bits of
information are bound to change depending on the selected submission
method per platform and are not necessarily possible to maintain in
the future.
Fixes: dbf9da8d55ef ("drm/i915/guc: Add trace point for GuC submit")
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: John Harrison <john.c.harrison@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211027093255.66489-1-joonas.lahtinen@linux.intel.com
(cherry picked from commit 64512a66b67e6546e2db15192b3603cd6d58b75c)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
One patch to fix the default screen orientation on the GPD Win3
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20211028072300.b4gqexq6zfhby24g@gilmour
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v5.15-rc8:
- Fix fence leak in ttm_transfered_destroy.
- Add quirk for Aya Neo 2021
- Reset property count for each drm damage selftest so full run will work correctly.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/4a133970-ff4b-aa62-d346-b269b1b9236e@linux.intel.com
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[Why]
A deadlock in the kernel occurs when we fallback from the V3 to V2
add_topology_to_display or remove_topology_to_display because they
both try to acquire the dtm_mutex but recursive locking isn't
supported on mutex_lock().
[How]
Make the mutex_lock/unlock more fine grained and move them up such that
they're only required for the psp invocation itself.
Fixes: bf62221e9d0e ("drm/amd/display: Add DCN3.1 HDCP support")
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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[WHY]
On certain configs, SMU clock table voltages don't match which cause parser
to behave incorrectly by leaving dcfclk and socclk table entries unpopulated.
[HOW]
Currently the function that finds the corresponding clock for a given voltage
only checks for exact voltage level matches. In the case that no match gets
found, parser now falls back to searching for the max clock which meets the
requested voltage (i.e. its corresponding voltage is below requested).
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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CVE-2021-42327 was fixed by:
commit f23750b5b3d98653b31d4469592935ef6364ad67
Author: Thelford Williams <tdwilliamsiv@gmail.com>
Date: Wed Oct 13 16:04:13 2021 -0400
drm/amdgpu: fix out of bounds write
but amdgpu_dm_debugfs.c contains more of the same issue so fix the
remaining ones.
v2:
* Add missing fix in dp_max_bpc_write (Harry Wentland)
Fixes: 918698d5c2b5 ("drm/amd/display: Return the number of bytes parsed than allocated")
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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This patch makes the driver r8169 pick up device Realtek Semiconductor Co.
, Ltd. Device [10ec:8162].
Signed-off-by: Janghyub Seo <jhyub06@gmail.com>
Suggested-by: Rushab Shah <rushabshah32@gmail.com>
Link: https://lore.kernel.org/r/1635231849296.1489250046.441294000@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Pull virtio fixes from Michael Tsirkin:
"A couple of fixes that seem important enough to pick at the last
moment"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio-ring: fix DMA metadata flags
vduse: Fix race condition between resetting and irq injecting
vduse: Disallow injecting interrupt before DRIVER_OK is set
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The flags are currently overwritten, leading to the wrong direction
being passed to the DMA unmap functions.
Fixes: 72b5e8958738aaa4 ("virtio-ring: store DMA metadata in desc_extra for split virtqueue")
Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Link: https://lore.kernel.org/r/20211026133100.17541-1-vincent.whitchurch@axis.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
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Return error code if usb_maxpacket() returns 0 in usbnet_probe()
Fixes: 397430b50a36 ("usbnet: sanity check for maxpacket")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Reviewed-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20211026124015.3025136-1-wanghai38@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Pull rdma fixes from Jason Gunthorpe:
"Nothing very exciting here, it has been a quiet cycle overall. Usual
collection of small bug fixes:
- irdma issues with CQ entries, VLAN completions and a mutex deadlock
- Incorrect DCT packets in mlx5
- Userspace triggered overflows in qib
- Locking error in hfi
- Typo in errno value in qib/hfi1
- Double free in qedr
- Leak of random kernel memory to userspace with a netlink callback"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/sa_query: Use strscpy_pad instead of memcpy to copy a string
RDMA/irdma: Do not hold qos mutex twice on QP resume
RDMA/irdma: Set VLAN in UD work completion correctly
RDMA/mlx5: Initialize the ODP xarray when creating an ODP MR
rdma/qedr: Fix crash due to redundant release of device's qp memory
RDMA/rdmavt: Fix error code in rvt_create_qp()
IB/hfi1: Fix abba locking issue with sc_disable()
IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields
RDMA/mlx5: Set user priority for DCT
RDMA/irdma: Process extended CQ entries correctly
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This patch adjusts the string spaces of some parameters of tx bd info in
debugfs according to their maximum needs.
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The specified buffer length for three debugfs files fd_tcam, uc and tqp
is not enough for their maximum needs, so this patch fixes them.
Fixes: b5a0b70d77b9 ("net: hns3: refactor dump fd tcam of debugfs")
Fixes: 1556ea9120ff ("net: hns3: refactor dump mac list of debugfs")
Fixes: d96b0e59468d ("net: hns3: refactor dump reg of debugfs")
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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in debugfs
As the width of packets number registers is 32 bits, they needs at most
10 characters for decimal data printing, but now the string spaces is not
enough, so this patch fixes it.
Fixes: e44c495d95e ("net: hns3: refactor queue info of debugfs")
Signed-off-by: Jie Wang <wangjie125@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The member data in struct hclge_desc is type of __le32, it needs endian
conversion before using it, and some functions of debugfs didn't do that,
so this patch fixes it.
Fixes: c0ebebb9ccc1 ("net: hns3: Add "dcb register" status information query function")
Signed-off-by: Jie Wang <wangjie125@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, if there is a reset event triggered by RAS during device in
initialization process, driver may run reset process concurrently with
initialization process. In this case, it may cause problem. For example,
the RSS indirection table may has not been alloc memory in initialization
process yet, but it is used in reset process, it will cause a call trace
like this:
[61228.744836] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
...
[61228.897677] Workqueue: hclgevf hclgevf_service_task [hclgevf]
[61228.911390] pstate: 40400009 (nZcv daif +PAN -UAO -TCO BTYPE=--)
[61228.918670] pc : hclgevf_set_rss_indir_table+0xb4/0x190 [hclgevf]
[61228.927812] lr : hclgevf_set_rss_indir_table+0x90/0x190 [hclgevf]
[61228.937248] sp : ffff8000162ebb50
[61228.941087] x29: ffff8000162ebb50 x28: ffffb77add72dbc0 x27: ffff0820c7dc8080
[61228.949516] x26: 0000000000000000 x25: ffff0820ad4fc880 x24: ffff0820c7dc8080
[61228.958220] x23: ffff0820c7dc8090 x22: 00000000ffffffff x21: 0000000000000040
[61228.966360] x20: ffffb77add72b9c0 x19: 0000000000000000 x18: 0000000000000030
[61228.974646] x17: 0000000000000000 x16: ffffb77ae713feb0 x15: ffff0820ad4fcce8
[61228.982808] x14: ffffffffffffffff x13: ffff8000962eb7f7 x12: 00003834ec70c960
[61228.991990] x11: 00e0fafa8c206982 x10: 9670facc78a8f9a8 x9 : ffffb77add717530
[61229.001123] x8 : ffff0820ad4fd6b8 x7 : 0000000000000000 x6 : 0000000000000011
[61229.010249] x5 : 00000000000cb1b0 x4 : 0000000000002adb x3 : 0000000000000049
[61229.018662] x2 : ffff8000162ebbb8 x1 : 0000000000000000 x0 : 0000000000000480
[61229.027002] Call trace:
[61229.030177] hclgevf_set_rss_indir_table+0xb4/0x190 [hclgevf]
[61229.039009] hclgevf_rss_init_hw+0x128/0x1b4 [hclgevf]
[61229.046809] hclgevf_reset_rebuild+0x17c/0x69c [hclgevf]
[61229.053862] hclgevf_reset_service_task+0x4cc/0xa80 [hclgevf]
[61229.061306] hclgevf_service_task+0x6c/0x630 [hclgevf]
[61229.068491] process_one_work+0x1dc/0x48c
[61229.074121] worker_thread+0x15c/0x464
[61229.078562] kthread+0x168/0x16c
[61229.082873] ret_from_fork+0x10/0x18
[61229.088221] Code: 7900e7f6 f904a683 d503201f 9101a3e2 (38616b43)
[61229.095357] ---[ end trace 153661a538f6768c ]---
To fix this problem, don't schedule reset task before initialization
process is done.
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, the workqueue of hclge/hclgevf is executed on
the CPU that initiates scheduling requests by default. In
stress scenarios, the CPU may be busy and workqueue scheduling
is completed after a long period of time. To avoid this
situation and implement proper scheduling, use the WQ_UNBOUND
mode instead. In this way, the workqueue can be performed on
a relatively idle CPU.
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If a TP port is configured by follow steps:
1.ethtool -s ethx autoneg off speed 100 duplex full
2.ethtool -A ethx rx on tx on
3.ethtool -s ethx autoneg on(rx&tx negotiated pause results are off)
4.ethtool -s ethx autoneg off speed 100 duplex full
In step 3, driver will set rx&tx pause parameters of hardware to off as
pause parameters negotiated with link partner are off.
After step 4, the "ethtool -a ethx" command shows both rx and tx pause
parameters are on. However, pause parameters of hardware are still off
and port has no flow control function actually.
To fix this problem, if autoneg is disabled, driver uses its saved
parameters to restore pause of hardware. If the speed is not changed in
this case, there is no link state changed for phy, it will cause the pause
parameter is not taken effect, so we need to force phy to go down and up.
Fixes: aacbe27e82f0 ("net: hns3: modify how pause options is displayed")
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pass the correct length to nvmet_tcp_verify_hdgst, which is the pdu
header length. This fixes a wrong behaviour where header digest
verification passes although the digest is wrong.
Signed-off-by: Amit Engel <amit.engel@dell.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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exp_ddgst is of type __le32, &cmd->exp_ddgst + cmd->offset increases
&cmd->exp_ddgst by 4 * cmd->offset, fix this by type casting
&cmd->exp_ddgst to u8 *.
Fixes: 872d26a391da ("nvmet-tcp: add NVMe over TCP target driver")
Signed-off-by: Varun Prakash <varun@chelsio.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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ddgst is of type __le32, &req->ddgst + req->offset
increases &req->ddgst by 4 * req->offset, fix this by
type casting &req->ddgst to u8 *.
Fixes: 3f2304f8c6d6 ("nvme-tcp: add NVMe over TCP host driver")
Signed-off-by: Varun Prakash <varun@chelsio.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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With commit db5ad6b7f8cd ("nvme-tcp: try to send request in queue_rq
context") r2t and response PDU can get processed while send function
is executing.
Current data digest send code uses req->offset after kernel_sendmsg(),
this creates a race condition where req->offset gets reset before it
is used in send function.
This can happen in two cases -
1. Target sends r2t PDU which resets req->offset.
2. Target send response PDU which completes the req and then req is
used for a new command, nvme_tcp_setup_cmd_pdu() resets req->offset.
Fix this by storing req->offset in a local variable and using
this local variable after kernel_sendmsg().
Fixes: db5ad6b7f8cd ("nvme-tcp: try to send request in queue_rq context")
Signed-off-by: Varun Prakash <varun@chelsio.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-5.15-2021-10-21:
amdgpu:
- Fix a potential out of bounds write in debugfs
- Fix revision handling for Yellow Carp
- Display fixes for Yellow Carp
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211021203430.4578-1-alexander.deucher@amd.com
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"One last set of small fixes for the soc tree:
- Incorrect ethernet phy settings found on i.mx and allwinner
platforms
- a revert for a Qualcomm DT change that caused a boot regression
- four patches for incorrect settings in i.MX DT files
- new MAINTAINER file entries for dhcom boards
- a Kconfig fix for a reset driver that became unselectable
- three more code changes for bugs in reset drivers"
* tag 'arm-soc-fixes-5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
MAINTAINERS: Add maintainers for DHCOM i.MX6 and DHCOM/DHCOR STM32MP1
Revert "arm64: dts: qcom: sm8250: remove bus clock from the mdss node for sm8250 target"
arm64: dts: imx8mm-kontron: Fix connection type for VSC8531 RGMII PHY
arm64: dts: imx8mm-kontron: Fix CAN SPI clock frequency
arm64: dts: imx8mm-kontron: Fix polarity of reg_rst_eth2
arm64: dts: imx8mm-kontron: Set lower limit of VDD_SNVS to 800 mV
arm64: dts: imx8mm-kontron: Make sure SOC and DRAM supply voltages are correct
reset: socfpga: add empty driver allowing consumers to probe
reset: tegra-bpmp: Handle errors in BPMP response
reset: pistachio: Re-enable driver selection
reset: brcmstb-rescal: fix incorrect polarity of status bit
ARM: dts: sun7i: A20-olinuxino-lime2: Fix ethernet phy-mode
arm64: dts: allwinner: h5: NanoPI Neo 2: Fix ethernet node
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Fixes screen orientation for GPD Win 3 handheld gaming console.
Signed-off-by: Mario Risoldi <awxkrnl@gmail.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211026112737.9181-1-awxkrnl@gmail.com
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