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AC5X spec says PHY init complete bit must be polled until zero.
We see cases in which timeout can take longer than the standard
calculation on AC5X, which is expected following the spec comment above.
According to the spec, we must wait as long as it takes for that bit to
toggle on AC5X.
Cap that with 100 delay loops so we won't get stuck forever.
Fixes: 06c8b667ff5b ("mmc: sdhci-xenon: Add support to PHYs of Marvell Xenon SDHC")
Acked-by: Adrian Hunter <[email protected]>
Cc: [email protected]
Signed-off-by: Elad Nachman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ulf Hansson <[email protected]>
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Each time SD/mmc phy is initialized, at times, in some of
the attempts, phy fails to completes its initialization
which results into timeout error. Per the HW spec, it is
a pre-requisite to ensure a stable SD clock before a phy
initialization is attempted.
Fixes: 06c8b667ff5b ("mmc: sdhci-xenon: Add support to PHYs of Marvell Xenon SDHC")
Acked-by: Adrian Hunter <[email protected]>
Cc: [email protected]
Signed-off-by: Elad Nachman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ulf Hansson <[email protected]>
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Like many other models, the Lenovo 21J2 (ThinkBook 16 G5+ APO)
needs a quirk entry for the internal microphone to function.
Signed-off-by: Jiawei Wang <[email protected]>
Link: https://msgid.link/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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The Lenovo 21J2 (ThinkBook 16 G5+ APO) has this new variant,
as detected with lspci:
64:00.5 Multimedia controller: Advanced Micro Devices, Inc. [AMD]
ACP/ACP3X/ACP6x Audio Coprocessor (rev 63)
Signed-off-by: Jiawei Wang <[email protected]>
Link: https://msgid.link/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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The fast path usage breakdown describes the detail for 'inet_sock', fix
the markup title.
Signed-off-by: Haiyue Wang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Currently when suspending driver and stopping workqueue it is checked whether
workqueue is not NULL and if so, it is destroyed.
Function destroy_workqueue() does drain queue and does clear variable, but
it does not set workqueue variable to NULL. This can cause kernel/module
panic if code attempts to clear workqueue that was not initialized.
This scenario is possible when resuming suspended driver in stmmac_resume(),
because there is no handling for failed stmmac_hw_setup(),
which can fail and return if DMA engine has failed to initialize,
and workqueue is initialized after DMA engine.
Should DMA engine fail to initialize, resume will proceed normally,
but interface won't work and TX queue will eventually timeout,
causing 'Reset adapter' error.
This then does destroy workqueue during reset process.
And since workqueue is initialized after DMA engine and can be skipped,
it will cause kernel/module panic.
To secure against this possible crash, set workqueue variable to NULL when
destroying workqueue.
Log/backtrace from crash goes as follows:
[88.031977]------------[ cut here ]------------
[88.031985]NETDEV WATCHDOG: eth0 (sxgmac): transmit queue 1 timed out
[88.032017]WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:477 dev_watchdog+0x390/0x398
<Skipping backtrace for watchdog timeout>
[88.032251]---[ end trace e70de432e4d5c2c0 ]---
[88.032282]sxgmac 16d88000.ethernet eth0: Reset adapter.
[88.036359]------------[ cut here ]------------
[88.036519]Call trace:
[88.036523] flush_workqueue+0x3e4/0x430
[88.036528] drain_workqueue+0xc4/0x160
[88.036533] destroy_workqueue+0x40/0x270
[88.036537] stmmac_fpe_stop_wq+0x4c/0x70
[88.036541] stmmac_release+0x278/0x280
[88.036546] __dev_close_many+0xcc/0x158
[88.036551] dev_close_many+0xbc/0x190
[88.036555] dev_close.part.0+0x70/0xc0
[88.036560] dev_close+0x24/0x30
[88.036564] stmmac_service_task+0x110/0x140
[88.036569] process_one_work+0x1d8/0x4a0
[88.036573] worker_thread+0x54/0x408
[88.036578] kthread+0x164/0x170
[88.036583] ret_from_fork+0x10/0x20
[88.036588]---[ end trace e70de432e4d5c2c1 ]---
[88.036597]Unable to handle kernel NULL pointer dereference at virtual address 0000000000000004
Fixes: 5a5586112b929 ("net: stmmac: support FPE link partner hand-shaking procedure")
Signed-off-by: Jakub Raczynski <[email protected]>
Reviewed-by: Jiri Pirko <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Correct type in the hsr_forward_do() comment.
Signed-off-by: Lukasz Majewski <[email protected]>
Reviewed-by: Jiri Pirko <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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In a previous patch I added "select PHYLIB" at the wrong place for the
ADIN1110 driver symbol, so move it to its correct place under the
ADIN1110 kconfig symbol.
Fixes: a9f80df4f514 ("net: ethernet: adi: requires PHYLIB support")
Signed-off-by: Randy Dunlap <[email protected]>
Reported-by: Michal Kubecek <[email protected]>
Closes: https://lore.kernel.org/lkml/[email protected]/T/#m8ba397484738711edc0ad607b2c63ca02244e3c3
Cc: Lennart Franzen <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Eric Dumazet <[email protected]>
Cc: Jakub Kicinski <[email protected]>
Cc: Paolo Abeni <[email protected]>
Cc: [email protected]
Cc: Nuno Sa <[email protected]>
Tested-by: Michal Kubecek <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Sanity check range bias with DRM_BUDDY_RANGE_ALLOCATION.
v2:
- Be consistent with u32 here.
Signed-off-by: Matthew Auld <[email protected]>
Cc: Arunpravin Paneer Selvam <[email protected]>
Cc: Christian König <[email protected]>
Reviewed-by: Arunpravin Paneer Selvam <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Christian König <[email protected]>
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Likely not a big deal for real users, but for consistency we should
respect the min_page_size here. Main issue is that bias allocations
turns into normal range allocation if the range and size matches
exactly, and in the next patch we want to add some unit tests for this
part of the api.
Signed-off-by: Matthew Auld <[email protected]>
Cc: Arunpravin Paneer Selvam <[email protected]>
Cc: Christian König <[email protected]>
Reviewed-by: Arunpravin Paneer Selvam <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Christian König <[email protected]>
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There is a corner case here where start/end is after/before the block
range we are currently checking. If so we need to be sure that splitting
the block will eventually give use the block size we need. To do that we
should adjust the block range to account for the start/end, and only
continue with the split if the size/alignment will fit the requested
size. Not doing so can result in leaving split blocks unmerged when it
eventually fails.
Fixes: afea229fe102 ("drm: improve drm_buddy_alloc function")
Signed-off-by: Matthew Auld <[email protected]>
Cc: Arunpravin Paneer Selvam <[email protected]>
Cc: Christian König <[email protected]>
Cc: <[email protected]> # v5.18+
Reviewed-by: Arunpravin Paneer Selvam <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Christian König <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Kalle Valo says:
====================
wireless fixes for v6.8-rc7
Few remaining fixes, hopefully the last wireless pull request to v6.8.
Two fixes to the stack and two to iwlwifi but no high priority fixes
this time.
* tag 'wireless-2024-02-27' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: mac80211: only call drv_sta_rc_update for uploaded stations
MAINTAINERS: wifi: Add N: ath1*k entries to match .yaml files
MAINTAINERS: wifi: update Jeff Johnson e-mail address
wifi: iwlwifi: mvm: fix the TXF mapping for BZ devices
wifi: iwlwifi: mvm: ensure offloading TID queue exists
wifi: nl80211: reject iftype change with mesh ID change
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Not really a fix per se, but IPV6_TLV_IOAM is still tagged as "TEMPORARY
IANA allocation for IOAM", while RFC 9486 is available for some time
now. Just update the reference.
Fixes: 9ee11f0fff20 ("ipv6: ioam: Data plane support for Pre-allocated Trace")
Signed-off-by: Justin Iurman <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Disable BH around the call to napi_schedule() to avoid following
error:
NOHZ tick-stop error: local softirq work is pending, handler #08!!!
Fixes: ec4c7e12396b ("lan78xx: Introduce NAPI polling support")
Signed-off-by: Oleksij Rempel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Currently using plain XDP/ZC sockets on stmmac results in a kernel crash:
|[ 255.822584] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
|[...]
|[ 255.822764] Call trace:
|[ 255.822766] stmmac_tx_clean.constprop.0+0x848/0xc38
The program counter indicates xsk_tx_metadata_complete(). It works on
compl->tx_timestamp, which is not set by xsk_tx_metadata_to_compl() due to
missing meta data. Therefore, call xsk_tx_metadata_complete() only when
meta data is actually used.
Tested on imx93 without XDP, with XDP and with XDP/ZC.
Fixes: 1347b419318d ("net: stmmac: Add Tx HWTS support to XDP ZC")
Suggested-by: Serge Semin <[email protected]>
Tested-by: Serge Semin <[email protected]>
Link: https://lore.kernel.org/netdev/[email protected]/
Acked-by: Stanislav Fomichev <[email protected]>
Signed-off-by: Kurt Kanzenbach <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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The MII code does not check the return value of mdio_read (among
others), and therefore no error code should be sent. A previous fix to
the use of an uninitialized variable propagates negative error codes,
that might lead to wrong operations by the MII library.
An example of such issues is the use of mii_nway_restart by the dm9601
driver. The mii_nway_restart function does not check the value returned
by mdio_read, which in this case might be a negative number which could
contain the exact bit the function checks (BMCR_ANENABLE = 0x1000).
Return zero in case of error, as it is common practice in users of
mdio_read to avoid wrong uses of the return value.
Fixes: 8f8abb863fa5 ("net: usb: dm9601: fix uninitialized variable use in dm9601_mdio_read")
Signed-off-by: Javier Carrasco <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Reviewed-by: Peter Korsgaard <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm
Pull lsm fixes from Paul Moore:
"Two small patches, one for AppArmor and one for SELinux, to fix
potential uninitialized variable problems in the new LSM syscalls we
added during the v6.8 merge window.
We haven't been able to get a response from John on the AppArmor
patch, but considering both the importance of the patch and it's
rather simple nature it seems like a good idea to get this merged
sooner rather than later.
I'm sure John is just taking some much needed vacation; if we need to
revise this when he gets back to his email we can"
* tag 'lsm-pr-20240227' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm:
apparmor: fix lsm_get_self_attr()
selinux: fix lsm_get_self_attr()
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"Six hotfixes. Three are cc:stable and the remainder address post-6.7
issues or aren't considered appropriate for backporting"
* tag 'mm-hotfixes-stable-2024-02-27-14-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm/debug_vm_pgtable: fix BUG_ON with pud advanced test
mm: cachestat: fix folio read-after-free in cache walk
MAINTAINERS: add memory mapping entry with reviewers
mm/vmscan: fix a bug calling wakeup_kswapd() with a wrong zone index
kasan: revert eviction of stack traces in generic mode
stackdepot: use variable size records for non-evictable entries
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Vadim Shakirov <[email protected]> says:
This series fix crash with the legacy riscv driver when configs:
CONFIG_RISCV_PMU_LEGACY=y and CONFIG_RISCV_PMU_SBI=n and you try
to perf record
* b4-shazam-lts:
drivers: perf: ctr_get_width function for legacy is not defined
drivers: perf: added capabilities for legacy PMU
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Palmer Dabbelt <[email protected]>
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With parameters CONFIG_RISCV_PMU_LEGACY=y and CONFIG_RISCV_PMU_SBI=n
linux kernel crashes when you try perf record:
$ perf record ls
[ 46.749286] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
[ 46.750199] Oops [#1]
[ 46.750342] Modules linked in:
[ 46.750608] CPU: 0 PID: 107 Comm: perf-exec Not tainted 6.6.0 #2
[ 46.750906] Hardware name: riscv-virtio,qemu (DT)
[ 46.751184] epc : 0x0
[ 46.751430] ra : arch_perf_update_userpage+0x54/0x13e
[ 46.751680] epc : 0000000000000000 ra : ffffffff8072ee52 sp : ff2000000022b8f0
[ 46.751958] gp : ffffffff81505988 tp : ff6000000290d400 t0 : ff2000000022b9c0
[ 46.752229] t1 : 0000000000000001 t2 : 0000000000000003 s0 : ff2000000022b930
[ 46.752451] s1 : ff600000028fb000 a0 : 0000000000000000 a1 : ff600000028fb000
[ 46.752673] a2 : 0000000ae2751268 a3 : 00000000004fb708 a4 : 0000000000000004
[ 46.752895] a5 : 0000000000000000 a6 : 000000000017ffe3 a7 : 00000000000000d2
[ 46.753117] s2 : ff600000028fb000 s3 : 0000000ae2751268 s4 : 0000000000000000
[ 46.753338] s5 : ffffffff8153e290 s6 : ff600000863b9000 s7 : ff60000002961078
[ 46.753562] s8 : ff60000002961048 s9 : ff60000002961058 s10: 0000000000000001
[ 46.753783] s11: 0000000000000018 t3 : ffffffffffffffff t4 : ffffffffffffffff
[ 46.754005] t5 : ff6000000292270c t6 : ff2000000022bb30
[ 46.754179] status: 0000000200000100 badaddr: 0000000000000000 cause: 000000000000000c
[ 46.754653] Code: Unable to access instruction at 0xffffffffffffffec.
[ 46.754939] ---[ end trace 0000000000000000 ]---
[ 46.755131] note: perf-exec[107] exited with irqs disabled
[ 46.755546] note: perf-exec[107] exited with preempt_count 4
This happens because in the legacy case the ctr_get_width function was not
defined, but it is used in arch_perf_update_userpage.
Also remove extra check in riscv_pmu_ctr_get_width_mask
Signed-off-by: Vadim Shakirov <[email protected]>
Reviewed-by: Alexandre Ghiti <[email protected]>
Reviewed-by: Atish Patra <[email protected]>
Fixes: cc4c07c89aad ("drivers: perf: Implement perf event mmap support in the SBI backend")
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Palmer Dabbelt <[email protected]>
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Added the PERF_PMU_CAP_NO_INTERRUPT flag because the legacy pmu driver
does not provide sampling capabilities
Added the PERF_PMU_CAP_NO_EXCLUDE flag because the legacy pmu driver
does not provide the ability to disable counter incrementation in
different privilege modes
Suggested-by: Atish Patra <[email protected]>
Signed-off-by: Vadim Shakirov <[email protected]>
Reviewed-by: Atish Patra <[email protected]>
Fixes: 9b3e150e310e ("RISC-V: Add a simple platform driver for RISC-V legacy perf")
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Palmer Dabbelt <[email protected]>
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This reverts commit e490d60a2f76bff636c68ce4fe34c1b6c34bbd86.
This causes hangs on SI when DC is enabled and errors on driver
reboot and power off cycles.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3216
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/2755
Reviewed-by: Yang Wang <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Cc: [email protected]
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Currently, GPU resets can now be performed successfully on the Raven
series. While GPU reset is required for the S3 suspend abort case.
So now can enable gpu reset for S3 abort cases on the Raven series.
Signed-off-by: Prike Liang <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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It's unreasonable to use 0 as the power1_min_cap when
OD is disabled. So, use the same lower limit as the value
used when OD is enabled.
Fixes: 1958946858a6 ("drm/amd/pm: Support for getting power1_cap_min value")
Signed-off-by: Ma Jun <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Acked-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Cc: [email protected]
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Adds a check in the map_hw_resources function to prevent a potential
buffer overflow. The function was accessing arrays using an index that
could potentially be greater than the size of the arrays, leading to a
buffer overflow.
Adds a check to ensure that the index is within the bounds of the
arrays. If the index is out of bounds, an error message is printed and
break it will continue execution with just ignoring extra data early to
prevent the buffer overflow.
Reported by smatch:
drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml2_wrapper.c:79 map_hw_resources() error: buffer overflow 'dml2->v20.scratch.dml_to_dc_pipe_mapping.disp_cfg_to_stream_id' 6 <= 7
drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml2_wrapper.c:81 map_hw_resources() error: buffer overflow 'dml2->v20.scratch.dml_to_dc_pipe_mapping.disp_cfg_to_plane_id' 6 <= 7
Fixes: 7966f319c66d ("drm/amd/display: Introduce DML2")
Cc: Rodrigo Siqueira <[email protected]>
Cc: Roman Li <[email protected]>
Cc: Qingqing Zhuo <[email protected]>
Cc: Aurabindo Pillai <[email protected]>
Cc: Tom Chung <[email protected]>
Signed-off-by: Srinivasan Shanmugam <[email protected]>
Suggested-by: Roman Li <[email protected]>
Reviewed-by: Roman Li <[email protected]>
Reviewed-by: Rodrigo Siqueira <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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struct veth_rq is pretty large, 832B total without debug
options enabled. Since commit under Fixes we try to pre-allocate
enough queues for every possible CPU. Miao Wang reports that
this may lead to order-5 allocations which will fail in production.
Let the allocation fallback to vmalloc() and try harder.
These are the same flags we pass to netdev queue allocation.
Reported-and-tested-by: Miao Wang <[email protected]>
Fixes: 9d3684c24a52 ("veth: create by default nr_possible_cpus queues")
Link: https://lore.kernel.org/all/[email protected]/
Signed-off-by: Jakub Kicinski <[email protected]>
Reviewed-by: Eric Dumazet <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
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One patch of a series of three that was sent fixing issues with the
ppc4xx driver was targeted at -next, unfortunately it being sandwiched
between two others that targeted mainline tripped up my workflow and
caused it to get merged along with the others. The ppc4xx driver is
only buildable in very limited configurations so none of the CI catches
issues with it.
Fixes: de4af897ddf2 ("spi: ppc4xx: Fix fallout from rename in struct spi_bitbang")
Signed-off-by: Mark Brown <[email protected]>
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Shannon Nelson says:
====================
ionic: PCI error handling fixes
These are a few things to make our PCI reset handling better.
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
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When rebuilding the lif after an FLR, be sure to restore the
current netdev features, not do the usual first time feature
init. This prevents losing user changes to things like TSO
or vlan tagging states.
Fixes: 45b84188a0a4 ("ionic: keep filters across FLR")
Reviewed-by: Brett Creeley <[email protected]>
Signed-off-by: Shannon Nelson <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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Since we now have potential cases of NULL cmd_regs and info_regs
during a reset recovery, and left NULL if a reset recovery has
failed, we need to check that they exist before we use them.
Most of the cases were covered in the original patch where we
verify before doing the ioreadb() for health or cmd status.
However, we need to protect a few uses of io mem that could
be hit in error recovery or asynchronous threads calls as well
(e.g. ethtool or devlink handlers).
Fixes: 219e183272b4 ("ionic: no fw read when PCI reset failed")
Reviewed-by: Brett Creeley <[email protected]>
Signed-off-by: Shannon Nelson <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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AER recovery handler can trigger a PCI Reset after tearing
down the device setup in the error detection handler. The PCI
Reset handler will also attempt to tear down the device setup,
and this second tear down needs to know that it doesn't need
to call pci_release_regions() a second time. We can clear
num_bars on tear down and use that to decide later if we need
to clear the resources. This prevents a harmless but disturbing
warning message
resource: Trying to free nonexistent resource <0xXXXXXXXXXX-0xXXXXXXXXXX>
Fixes: c3a910e1c47a ("ionic: fill out pci error handlers")
Reviewed-by: Brett Creeley <[email protected]>
Signed-off-by: Shannon Nelson <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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The following patch accidentally removed the code for delivering
completions for cancelled reads and writes to user space: "[PATCH 04/33]
aio: remove retry-based AIO"
(https://lore.kernel.org/all/[email protected]/)
>From that patch:
- if (kiocbIsCancelled(iocb)) {
- ret = -EINTR;
- aio_complete(iocb, ret, 0);
- /* must not access the iocb after this */
- goto out;
- }
This leads to a leak in user space of a struct iocb. Hence this patch
that restores the code that reports to user space that a read or write
has been cancelled successfully.
Fixes: 41003a7bcfed ("aio: remove retry-based AIO")
Cc: Christoph Hellwig <[email protected]>
Cc: Avi Kivity <[email protected]>
Cc: Sandeep Dhavale <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Kent Overstreet <[email protected]>
Cc: [email protected]
Signed-off-by: Bart Van Assche <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Christian Brauner <[email protected]>
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If a directory has a block with only ".__afsXXXX" files in it (from
uncompleted silly-rename), these .__afsXXXX files are skipped but without
advancing the file position in the dir_context. This leads to
afs_dir_iterate() repeating the block again and again.
Fix this by making the code that skips the .__afsXXXX file also manually
advance the file position.
The symptoms are a soft lookup:
watchdog: BUG: soft lockup - CPU#3 stuck for 52s! [check:5737]
...
RIP: 0010:afs_dir_iterate_block+0x39/0x1fd
...
? watchdog_timer_fn+0x1a6/0x213
...
? asm_sysvec_apic_timer_interrupt+0x16/0x20
? afs_dir_iterate_block+0x39/0x1fd
afs_dir_iterate+0x10a/0x148
afs_readdir+0x30/0x4a
iterate_dir+0x93/0xd3
__do_sys_getdents64+0x6b/0xd4
This is almost certainly the actual fix for:
https://bugzilla.kernel.org/show_bug.cgi?id=218496
Fixes: 57e9d49c5452 ("afs: Hide silly-rename files from userspace")
Signed-off-by: David Howells <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Marc Dionne <[email protected]>
cc: Marc Dionne <[email protected]>
cc: Markus Suvanto <[email protected]>
cc: [email protected]
Signed-off-by: Christian Brauner <[email protected]>
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It had pop noise from Headphone port when system reboot state.
If NID 58h Index 0x0 to fill default value, it will reduce pop noise.
Signed-off-by: Kailang Yang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Takashi Iwai <[email protected]>
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FSDAX and reflink can work together now, let's drop this warning.
Signed-off-by: Shiyang Ruan <[email protected]>
Reviewed-by: "Darrick J. Wong" <[email protected]>
Acked-by: Dan Williams <[email protected]>
Signed-off-by: Chandan Babu R <[email protected]>
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Matthieu Baerts says:
====================
mptcp: more misc. fixes for v6.8
This series includes 6 types of fixes:
- Patch 1 fixes v4 mapped in v6 addresses support for the userspace PM,
when asking to delete a subflow. It was done everywhere else, but not
there. Patch 2 validates the modification, thanks to a subtest in
mptcp_join.sh. These patches can be backported up to v5.19.
- Patch 3 is a small fix for a recent bug-fix patch, just to avoid
printing an irrelevant warning (pr_warn()) once. It can be backported
up to v5.6, alongside the bug-fix that has been introduced in the
v6.8-rc5.
- Patches 4 to 6 are fixes for bugs found by Paolo while working on
TCP_NOTSENT_LOWAT support for MPTCP. These fixes can improve the
performances in some cases. Patches can be backported up to v5.6,
v5.11 and v6.7 respectively.
- Patch 7 makes sure 'ss -M' is available when starting MPTCP Join
selftest as it is required for some subtests since v5.18.
- Patch 8 fixes a possible double-free on socket dismantle. The issue
always existed, but was unnoticed because it was not causing any
problem so far. This fix can be backported up to v5.6.
- Patch 9 is a fix for a very recent patch causing lockdep warnings in
subflow diag. The patch causing the regression -- which fixes another
issue present since v5.7 -- should be part of the future v6.8-rc6.
Patch 10 validates the modification, thanks to a new subtest in
diag.sh.
====================
Link: https://lore.kernel.org/r/20240223-upstream-net-20240223-misc-fixes-v1-0-162e87e48497@kernel.org
Signed-off-by: Jakub Kicinski <[email protected]>
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The mptcp diag interface already experienced a few locking bugs
that lockdep and appropriate coverage have detected in advance.
Let's add a test-case triggering the relevant code path, to prevent
similar issues in the future.
Be careful to cope with very slow environments.
Note that we don't need an explicit timeout on the mptcp_connect
subprocess to cope with eventual bug/hang-up as the final cleanup
terminating the child processes will take care of that.
Signed-off-by: Paolo Abeni <[email protected]>
Reviewed-by: Matthieu Baerts (NGI0) <[email protected]>
Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Link: https://lore.kernel.org/r/20240223-upstream-net-20240223-misc-fixes-v1-10-162e87e48497@kernel.org
Signed-off-by: Jakub Kicinski <[email protected]>
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Syzbot and Eric reported a lockdep splat in the subflow diag:
WARNING: possible circular locking dependency detected
6.8.0-rc4-syzkaller-00212-g40b9385dd8e6 #0 Not tainted
syz-executor.2/24141 is trying to acquire lock:
ffff888045870130 (k-sk_lock-AF_INET6){+.+.}-{0:0}, at:
tcp_diag_put_ulp net/ipv4/tcp_diag.c:100 [inline]
ffff888045870130 (k-sk_lock-AF_INET6){+.+.}-{0:0}, at:
tcp_diag_get_aux+0x738/0x830 net/ipv4/tcp_diag.c:137
but task is already holding lock:
ffffc9000135e488 (&h->lhash2[i].lock){+.+.}-{2:2}, at: spin_lock
include/linux/spinlock.h:351 [inline]
ffffc9000135e488 (&h->lhash2[i].lock){+.+.}-{2:2}, at:
inet_diag_dump_icsk+0x39f/0x1f80 net/ipv4/inet_diag.c:1038
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&h->lhash2[i].lock){+.+.}-{2:2}:
lock_acquire+0x1e3/0x530 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]
__inet_hash+0x335/0xbe0 net/ipv4/inet_hashtables.c:743
inet_csk_listen_start+0x23a/0x320 net/ipv4/inet_connection_sock.c:1261
__inet_listen_sk+0x2a2/0x770 net/ipv4/af_inet.c:217
inet_listen+0xa3/0x110 net/ipv4/af_inet.c:239
rds_tcp_listen_init+0x3fd/0x5a0 net/rds/tcp_listen.c:316
rds_tcp_init_net+0x141/0x320 net/rds/tcp.c:577
ops_init+0x352/0x610 net/core/net_namespace.c:136
__register_pernet_operations net/core/net_namespace.c:1214 [inline]
register_pernet_operations+0x2cb/0x660 net/core/net_namespace.c:1283
register_pernet_device+0x33/0x80 net/core/net_namespace.c:1370
rds_tcp_init+0x62/0xd0 net/rds/tcp.c:735
do_one_initcall+0x238/0x830 init/main.c:1236
do_initcall_level+0x157/0x210 init/main.c:1298
do_initcalls+0x3f/0x80 init/main.c:1314
kernel_init_freeable+0x42f/0x5d0 init/main.c:1551
kernel_init+0x1d/0x2a0 init/main.c:1441
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
-> #0 (k-sk_lock-AF_INET6){+.+.}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3134 [inline]
check_prevs_add kernel/locking/lockdep.c:3253 [inline]
validate_chain+0x18ca/0x58e0 kernel/locking/lockdep.c:3869
__lock_acquire+0x1345/0x1fd0 kernel/locking/lockdep.c:5137
lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754
lock_sock_fast include/net/sock.h:1723 [inline]
subflow_get_info+0x166/0xd20 net/mptcp/diag.c:28
tcp_diag_put_ulp net/ipv4/tcp_diag.c:100 [inline]
tcp_diag_get_aux+0x738/0x830 net/ipv4/tcp_diag.c:137
inet_sk_diag_fill+0x10ed/0x1e00 net/ipv4/inet_diag.c:345
inet_diag_dump_icsk+0x55b/0x1f80 net/ipv4/inet_diag.c:1061
__inet_diag_dump+0x211/0x3a0 net/ipv4/inet_diag.c:1263
inet_diag_dump_compat+0x1c1/0x2d0 net/ipv4/inet_diag.c:1371
netlink_dump+0x59b/0xc80 net/netlink/af_netlink.c:2264
__netlink_dump_start+0x5df/0x790 net/netlink/af_netlink.c:2370
netlink_dump_start include/linux/netlink.h:338 [inline]
inet_diag_rcv_msg_compat+0x209/0x4c0 net/ipv4/inet_diag.c:1405
sock_diag_rcv_msg+0xe7/0x410
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
sock_diag_rcv+0x2a/0x40 net/core/sock_diag.c:280
netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1367
netlink_sendmsg+0xa3b/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
____sys_sendmsg+0x525/0x7d0 net/socket.c:2584
___sys_sendmsg net/socket.c:2638 [inline]
__sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
As noted by Eric we can break the lock dependency chain avoid
dumping any extended info for the mptcp subflow listener:
nothing actually useful is presented there.
Fixes: b8adb69a7d29 ("mptcp: fix lockless access in subflow ULP diag")
Cc: [email protected]
Reported-by: Eric Dumazet <[email protected]>
Closes: https://lore.kernel.org/netdev/CANn89iJ=Oecw6OZDwmSYc9HJKQ_G32uN11L+oUcMu+TOD5Xiaw@mail.gmail.com/
Suggested-by: Eric Dumazet <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
Reviewed-by: Matthieu Baerts (NGI0) <[email protected]>
Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>
Link: https://lore.kernel.org/r/20240223-upstream-net-20240223-misc-fixes-v1-9-162e87e48497@kernel.org
Signed-off-by: Jakub Kicinski <[email protected]>
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when MPTCP server accepts an incoming connection, it clones its listener
socket. However, the pointer to 'inet_opt' for the new socket has the same
value as the original one: as a consequence, on program exit it's possible
to observe the following splat:
BUG: KASAN: double-free in inet_sock_destruct+0x54f/0x8b0
Free of addr ffff888485950880 by task swapper/25/0
CPU: 25 PID: 0 Comm: swapper/25 Kdump: loaded Not tainted 6.8.0-rc1+ #609
Hardware name: Supermicro SYS-6027R-72RF/X9DRH-7TF/7F/iTF/iF, BIOS 3.0 07/26/2013
Call Trace:
<IRQ>
dump_stack_lvl+0x32/0x50
print_report+0xca/0x620
kasan_report_invalid_free+0x64/0x90
__kasan_slab_free+0x1aa/0x1f0
kfree+0xed/0x2e0
inet_sock_destruct+0x54f/0x8b0
__sk_destruct+0x48/0x5b0
rcu_do_batch+0x34e/0xd90
rcu_core+0x559/0xac0
__do_softirq+0x183/0x5a4
irq_exit_rcu+0x12d/0x170
sysvec_apic_timer_interrupt+0x6b/0x80
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x16/0x20
RIP: 0010:cpuidle_enter_state+0x175/0x300
Code: 30 00 0f 84 1f 01 00 00 83 e8 01 83 f8 ff 75 e5 48 83 c4 18 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc fb 45 85 ed <0f> 89 60 ff ff ff 48 c1 e5 06 48 c7 43 18 00 00 00 00 48 83 44 2b
RSP: 0018:ffff888481cf7d90 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffff88887facddc8 RCX: 0000000000000000
RDX: 1ffff1110ff588b1 RSI: 0000000000000019 RDI: ffff88887fac4588
RBP: 0000000000000004 R08: 0000000000000002 R09: 0000000000043080
R10: 0009b02ea273363f R11: ffff88887fabf42b R12: ffffffff932592e0
R13: 0000000000000004 R14: 0000000000000000 R15: 00000022c880ec80
cpuidle_enter+0x4a/0xa0
do_idle+0x310/0x410
cpu_startup_entry+0x51/0x60
start_secondary+0x211/0x270
secondary_startup_64_no_verify+0x184/0x18b
</TASK>
Allocated by task 6853:
kasan_save_stack+0x1c/0x40
kasan_save_track+0x10/0x30
__kasan_kmalloc+0xa6/0xb0
__kmalloc+0x1eb/0x450
cipso_v4_sock_setattr+0x96/0x360
netlbl_sock_setattr+0x132/0x1f0
selinux_netlbl_socket_post_create+0x6c/0x110
selinux_socket_post_create+0x37b/0x7f0
security_socket_post_create+0x63/0xb0
__sock_create+0x305/0x450
__sys_socket_create.part.23+0xbd/0x130
__sys_socket+0x37/0xb0
__x64_sys_socket+0x6f/0xb0
do_syscall_64+0x83/0x160
entry_SYSCALL_64_after_hwframe+0x6e/0x76
Freed by task 6858:
kasan_save_stack+0x1c/0x40
kasan_save_track+0x10/0x30
kasan_save_free_info+0x3b/0x60
__kasan_slab_free+0x12c/0x1f0
kfree+0xed/0x2e0
inet_sock_destruct+0x54f/0x8b0
__sk_destruct+0x48/0x5b0
subflow_ulp_release+0x1f0/0x250
tcp_cleanup_ulp+0x6e/0x110
tcp_v4_destroy_sock+0x5a/0x3a0
inet_csk_destroy_sock+0x135/0x390
tcp_fin+0x416/0x5c0
tcp_data_queue+0x1bc8/0x4310
tcp_rcv_state_process+0x15a3/0x47b0
tcp_v4_do_rcv+0x2c1/0x990
tcp_v4_rcv+0x41fb/0x5ed0
ip_protocol_deliver_rcu+0x6d/0x9f0
ip_local_deliver_finish+0x278/0x360
ip_local_deliver+0x182/0x2c0
ip_rcv+0xb5/0x1c0
__netif_receive_skb_one_core+0x16e/0x1b0
process_backlog+0x1e3/0x650
__napi_poll+0xa6/0x500
net_rx_action+0x740/0xbb0
__do_softirq+0x183/0x5a4
The buggy address belongs to the object at ffff888485950880
which belongs to the cache kmalloc-64 of size 64
The buggy address is located 0 bytes inside of
64-byte region [ffff888485950880, ffff8884859508c0)
The buggy address belongs to the physical page:
page:0000000056d1e95e refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888485950700 pfn:0x485950
flags: 0x57ffffc0000800(slab|node=1|zone=2|lastcpupid=0x1fffff)
page_type: 0xffffffff()
raw: 0057ffffc0000800 ffff88810004c640 ffffea00121b8ac0 dead000000000006
raw: ffff888485950700 0000000000200019 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff888485950780: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
ffff888485950800: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff888485950880: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
^
ffff888485950900: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
ffff888485950980: 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc
Something similar (a refcount underflow) happens with CALIPSO/IPv6. Fix
this by duplicating IP / IPv6 options after clone, so that
ip{,6}_sock_destruct() doesn't end up freeing the same memory area twice.
Fixes: cf7da0d66cc1 ("mptcp: Create SUBFLOW socket for incoming connections")
Cc: [email protected]
Signed-off-by: Davide Caratti <[email protected]>
Reviewed-by: Mat Martineau <[email protected]>
Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>
Link: https://lore.kernel.org/r/20240223-upstream-net-20240223-misc-fixes-v1-8-162e87e48497@kernel.org
Signed-off-by: Jakub Kicinski <[email protected]>
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Commands 'ss -M' are used in script mptcp_join.sh to display only MPTCP
sockets. So it must be checked if ss tool supports MPTCP in this script.
Fixes: e274f7154008 ("selftests: mptcp: add subflow limits test-cases")
Cc: [email protected]
Signed-off-by: Geliang Tang <[email protected]>
Reviewed-by: Matthieu Baerts (NGI0) <[email protected]>
Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>
Link: https://lore.kernel.org/r/20240223-upstream-net-20240223-misc-fixes-v1-7-162e87e48497@kernel.org
Signed-off-by: Jakub Kicinski <[email protected]>
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After the blamed commit below, the send buffer auto-tuning can
happen after that the mptcp_propagate_sndbuf() completes - via
the delegated action infrastructure.
We must check for write space even after such change or we risk
missing the wake-up event.
Fixes: 8005184fd1ca ("mptcp: refactor sndbuf auto-tuning")
Cc: [email protected]
Signed-off-by: Paolo Abeni <[email protected]>
Reviewed-by: Mat Martineau <[email protected]>
Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>
Link: https://lore.kernel.org/r/20240223-upstream-net-20240223-misc-fixes-v1-6-162e87e48497@kernel.org
Signed-off-by: Jakub Kicinski <[email protected]>
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Such value should be inherited from the first subflow, but
passive sockets always used 'rsk_rcv_wnd'.
Fixes: 6f8a612a33e4 ("mptcp: keep track of advertised windows right edge")
Cc: [email protected]
Signed-off-by: Paolo Abeni <[email protected]>
Reviewed-by: Mat Martineau <[email protected]>
Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>
Link: https://lore.kernel.org/r/20240223-upstream-net-20240223-misc-fixes-v1-5-162e87e48497@kernel.org
Signed-off-by: Jakub Kicinski <[email protected]>
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when inserting not contiguous data in the subflow write queue,
the protocol creates a new skb and prevent the TCP stack from
merging it later with already queued skbs by setting the EOR marker.
Still no push flag is explicitly set at the end of previous GSO
packet, making the aggregation on the receiver side sub-optimal -
and packetdrill self-tests less predictable.
Explicitly mark the end of not contiguous DSS with the push flag.
Fixes: 6d0060f600ad ("mptcp: Write MPTCP DSS headers to outgoing data packets")
Cc: [email protected]
Signed-off-by: Paolo Abeni <[email protected]>
Reviewed-by: Mat Martineau <[email protected]>
Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>
Link: https://lore.kernel.org/r/20240223-upstream-net-20240223-misc-fixes-v1-4-162e87e48497@kernel.org
Signed-off-by: Jakub Kicinski <[email protected]>
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After the 'Fixes' commit mentioned below, the client side might print
the following warning once when a subflow is fully established at the
reception of any valid additional ack:
MPTCP: bogus mpc option on established client sk
That's a normal situation, and no warning should be printed for that. We
can then skip the check when the label is used.
Fixes: e4a0fa47e816 ("mptcp: corner case locking for rx path fields initialization")
Cc: [email protected]
Suggested-by: Paolo Abeni <[email protected]>
Reviewed-by: Mat Martineau <[email protected]>
Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>
Link: https://lore.kernel.org/r/20240223-upstream-net-20240223-misc-fixes-v1-3-162e87e48497@kernel.org
Signed-off-by: Jakub Kicinski <[email protected]>
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Now both a v4 address and a v4-mapped address are supported when
destroying a userspace pm subflow, this patch adds a second subflow
to "userspace pm add & remove address" test, and two subflows could
be removed two different ways, one with the v4mapped and one with v4.
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/387
Fixes: 48d73f609dcc ("selftests: mptcp: update userspace pm addr tests")
Cc: [email protected]
Signed-off-by: Geliang Tang <[email protected]>
Reviewed-by: Mat Martineau <[email protected]>
Reviewed-by: Matthieu Baerts (NGI0) <[email protected]>
Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>
Link: https://lore.kernel.org/r/20240223-upstream-net-20240223-misc-fixes-v1-2-162e87e48497@kernel.org
Signed-off-by: Jakub Kicinski <[email protected]>
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Address family of server side mismatches with that of client side, like
in "userspace pm add & remove address" test:
userspace_pm_add_addr $ns1 10.0.2.1 10
userspace_pm_rm_sf $ns1 "::ffff:10.0.2.1" $SUB_ESTABLISHED
That's because on the server side, the family is set to AF_INET6 and the
v4 address is mapped in a v6 one.
This patch fixes this issue. In mptcp_pm_nl_subflow_destroy_doit(), before
checking local address family with remote address family, map an IPv4
address to an IPv6 address if the pair is a v4-mapped address.
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/387
Fixes: 702c2f646d42 ("mptcp: netlink: allow userspace-driven subflow establishment")
Cc: [email protected]
Signed-off-by: Geliang Tang <[email protected]>
Reviewed-by: Mat Martineau <[email protected]>
Reviewed-by: Matthieu Baerts (NGI0) <[email protected]>
Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>
Link: https://lore.kernel.org/r/20240223-upstream-net-20240223-misc-fixes-v1-1-162e87e48497@kernel.org
Signed-off-by: Jakub Kicinski <[email protected]>
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This fixes a possible UAF in if_nlmsg_size(),
which can run without RTNL.
Add rcu protection to "struct dpll_pin"
Move netdev_dpll_pin() from netdevice.h to dpll.h to
decrease name pollution.
Note: This looks possible to no longer acquire RTNL in
netdev_dpll_pin_assign() later in net-next.
v2: do not force rcu_read_lock() in rtnl_dpll_pin_size() (Jiri Pirko)
Fixes: 5f1842692880 ("netdev: expose DPLL pin handle for netdevice")
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Arkadiusz Kubalewski <[email protected]>
Cc: Vadim Fedorenko <[email protected]>
Reviewed-by: Jiri Pirko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Same as LAN7800, LAN7850 can be used without EEPROM. If EEPROM is not
present or not flashed, LAN7850 will fail to sync the speed detected by the PHY
with the MAC. In case link speed is 100Mbit, it will accidentally work,
otherwise no data can be transferred.
Better way would be to implement link_up callback, or set auto speed
configuration unconditionally. But this changes would be more intrusive.
So, for now, set it only if no EEPROM is found.
Fixes: e69647a19c87 ("lan78xx: Set ASD in MAC_CR when EEE is enabled.")
Signed-off-by: Oleksij Rempel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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If the driver detects that the controller is not ready before sending the
first IOC facts command, it will wait for a maximum of 10 seconds for it to
become ready. However, even if the controller becomes ready within 10
seconds, the driver will still issue a diagnostic reset.
Modify the driver to avoid sending a diag reset if the controller becomes
ready within the 10-second wait time.
Signed-off-by: Ranjan Kumar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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Doubling the number of PHYs also doubled the stack usage of this function,
exceeding the 32-bit limit of 1024 bytes:
drivers/scsi/mpi3mr/mpi3mr_transport.c: In function 'mpi3mr_refresh_sas_ports':
drivers/scsi/mpi3mr/mpi3mr_transport.c:1818:1: error: the frame size of 1636 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]
Since the sas_io_unit_pg0 structure is already allocated dynamically, use
the same method here. The size of the allocation can be smaller based on
the actual number of phys now, so use this as an upper bound.
Fixes: cb5b60894602 ("scsi: mpi3mr: Increase maximum number of PHYs to 64 from 32")
Reviewed-by: Johannes Thumshirn <[email protected]>
Cc: Sathya Prakash Veerichetty <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Tested-by: John Garry <[email protected]> #build only
Signed-off-by: Martin K. Petersen <[email protected]>
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