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When the cgroup's memory usage is below the low/min limit and allocation
fails, try evicting some unprotected buffers to make space. Otherwise,
application buffers may be forced to go into GTT even though usage is
below the corresponding low/min limit, if other applications filled VRAM
with their allocations first.
Reviewed-by: Maarten Lankhorst <dev@lankhorst.se>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Natalie Vock <natalie.vock@gmx.de>
Link: https://patch.msgid.link/20260804-dmemcg-aggressive-protect-v8-5-07af96681bf8@gmx.de
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Coupling resource allocation and cgroup charging is racy when charging
succeeds, but subsequent resource allocation fails. Certain eviction
decisions are made on the basis of whether the allocating cgroup is
protected, i.e. within its min/low limits, but with the charge being
tied to resource allocation (and uncharged when the resource allocation
fails), this check is done at a point where the allocation is not actually
charged to the cgroup.
This is subtly wrong if the allocation were to cause the cgroup to exceed
the min/low protection, but it's even more wrong if the same cgroup tries
allocating multiple buffers concurrently: In this case, the min/low
protection may pass for all allocation attempts when the real min/low
protection covers only some, or potentially none of the allocated
buffers.
Instead, charge the allocation to the cgroup once and keep the charge
for as long as we try to allocate a ttm_resource, and only undo the charge
if allocating the resource is ultimately unsuccessful and we move on to
a different ttm_place.
Reviewed-by: Maarten Lankhorst <dev@lankhorst.se>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Natalie Vock <natalie.vock@gmx.de>
Link: https://patch.msgid.link/20260804-dmemcg-aggressive-protect-v8-4-07af96681bf8@gmx.de
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Move all code for attempting allocation for a specific place to
ttm_bo_alloc_place. With subsequent patches, this logic is going to get
more complicated, so it helps readability to have this separate.
ttm_bo_alloc_at_place takes a pointer to a struct ttm_bo_alloc_state.
This struct holds various state produced by the allocation (e.g. cgroup
resource associated with the allocation) that the caller needs to keep
track of (and potentially dispose of). This is just the limiting cgroup
pool for now, but future patches will add more state needing to be tracked.
ttm_bo_alloc_at_place also communicates via return codes if eviction
using ttm_bo_evict_alloc should be attempted. This is preparation for
attempting eviction in more cases than just force_space being set.
No functional change intended.
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Reviewed-by: Maarten Lankhorst <dev@lankhorst.se>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Natalie Vock <natalie.vock@gmx.de>
Link: https://patch.msgid.link/20260804-dmemcg-aggressive-protect-v8-3-07af96681bf8@gmx.de
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When using MMIO with regmap, fast_io is implied. No need to set it
again.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Link: https://patch.msgid.link/20260705163536.1850-6-wsa+renesas@sang-engineering.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
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`FmcBootArgs` logically owns this, so pass ownership to it instead of
storing a reference.
Signed-off-by: Eliot Courtney <ecourtney@nvidia.com>
Link: https://patch.msgid.link/20260804-blackwell-fixes-v4-5-ac858b6a1935@nvidia.com
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
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`FbLayout` is currently used for both pre and post FSP architectures. It
contains ranges for each region of framebuffer, but on post FSP
architectures, only the size is actually used. The region locations are
decided by ACR, which runs as part of the GSP-FMC, not by the driver.
The driver only provides the sizes. So, for post FSP architectures
`FbLayout` contains essentially guesses for the offsets. Instead, make
separate types so that we only store the information that's actually
needed, rather than keeping around offsets that may not be correct.
Signed-off-by: Eliot Courtney <ecourtney@nvidia.com>
Link: https://patch.msgid.link/20260804-blackwell-fixes-v4-4-ac858b6a1935@nvidia.com
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
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This is always immediately widened to u64, so just return it as a u64
from the beginning.
Signed-off-by: Eliot Courtney <ecourtney@nvidia.com>
Link: https://patch.msgid.link/20260804-blackwell-fixes-v4-3-ac858b6a1935@nvidia.com
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
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This field is called non_wpr_heap_size everywhere else. Unify the name
to make it more obvious which heap it is.
Signed-off-by: Eliot Courtney <ecourtney@nvidia.com>
Link: https://patch.msgid.link/20260804-blackwell-fixes-v4-2-ac858b6a1935@nvidia.com
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
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Currently, the frts vidmem offset is calculated based on the non-wpr
heap size and pmu reservation size, but this is not right. The layout
actually looks like this:
| non-wpr heap | WPR2 .. FRTS | PMU reserved | ... | VGA workspace |
It's just by coincidence + generous alignment that the values happened
to match. Instead, define a per-architecture reserved size at the end of
the framebuffer and use this plus the PMU reserved size to calculate the
frts vidmem offset.
Fixes: d317e4585fa3 ("gpu: nova-core: Hopper/Blackwell: add FSP Chain of Trust boot")
Signed-off-by: Eliot Courtney <ecourtney@nvidia.com>
Link: https://patch.msgid.link/20260804-blackwell-fixes-v4-1-ac858b6a1935@nvidia.com
[acourbot: add comment clarifying reason for testing pmu_reserved_size.]
[acourbot: make fb_end_reserved_size() return u64.]
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
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error is always zero at the last return in synaptics_i2c_reg_set().
Explicitly return 0 on the success path instead of returning error,
which is the preferred way when there are multiple failure points.
No functional change.
Signed-off-by: Sang-Heon Jeon <ekffu200098@gmail.com>
Link: https://patch.msgid.link/20260729171001.260698-4-ekffu200098@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Both branches of the check return the same value, so the check has no
effect. Remove it and return the value directly.
This is the result of running the Coccinelle script from
scripts/coccinelle/misc/cond_return_no_effect.cocci.
Signed-off-by: Sang-Heon Jeon <ekffu200098@gmail.com>
Link: https://patch.msgid.link/20260729171001.260698-3-ekffu200098@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Both branches of the check return the same value, so the check has no
effect. Remove it and return the value directly.
This is the result of running the Coccinelle script from
scripts/coccinelle/misc/cond_return_no_effect.cocci.
Signed-off-by: Sang-Heon Jeon <ekffu200098@gmail.com>
Link: https://patch.msgid.link/20260729171001.260698-2-ekffu200098@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Changing the input (diagnostic report type) mid-stream changes the
report size. Since V4L2 buffers are allocated based on the size at
stream start, changing the input while streaming could lead to a
heap buffer overflow if the new size is larger than the allocated
buffers.
Prevent this by blocking VIDIOC_S_INPUT with -EBUSY if the V4L2 queue
is busy (streaming).
Fixes: 3a762dbd5347 ("[media] Input: synaptics-rmi4 - add support for F54 diagnostics")
Cc: stable@vger.kernel.org
Assisted-by: Antigravity:gemini-3.5-flash
Reviewed-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Link: https://patch.msgid.link/20260626051802.4033172-5-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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rmi_f54_work() reads a diagnostics report from the device into
f54->report_data, sizing the transfer with rmi_f54_get_report_size():
report_size = rmi_f54_get_report_size(f54);
...
for (i = 0; i < report_size; i += F54_REPORT_DATA_SIZE) {
int size = min(F54_REPORT_DATA_SIZE, report_size - i);
...
rmi_read_block(.., f54->report_data + i, size);
}
report_data is allocated once at probe from F54's own electrode counts
(array3_size(f54->num_tx_electrodes, f54->num_rx_electrodes, sizeof(u16))),
but rmi_f54_get_report_size() computes the size from
drv_data->num_*_electrodes when those are set, i.e. from the F55
function's electrode counts. Both counts come straight from device
queries (F54 and F55 each report up to 255 electrodes) and nothing
constrains the F55 counts to the F54 ones.
A malicious or malfunctioning RMI4 device that reports larger F55
electrode counts than its F54 counts makes report_size exceed the
allocation, so the read loop writes past report_data (and the V4L2
dequeue memcpy() then reads past it). On conforming hardware the F55
configured electrodes are a subset of the F54 physical electrodes, so
report_size never exceeds the buffer and well-behaved devices are
unaffected.
Record the allocation size and reject a report that does not fit,
mirroring the existing zero-size check.
Fixes: c762cc68b6a1 ("Input: synaptics-rmi4 - propagate correct number of rx and tx electrodes to F54")
Cc: stable@vger.kernel.org
Signed-off-by: Bryam Vargas <hexlabsecurity@proton.me>
Assisted-by: Antigravity:gemini-3.5-flash
Link: https://patch.msgid.link/20260626051802.4033172-3-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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In rmi_f54_work(), if an error occurs during report request or command
verification, the code jumped directly to the 'error' label, bypassing
the 'abort' label where f54->report_size was normally zeroed out.
This left f54->report_size containing its previous successful payload
size. If a user then altered the V4L2 format to a smaller size, and a
subsequent run failed, rmi_f54_buffer_queue() would copy the stale,
larger payload size into the shrunken V4L2 buffer, causing a heap
buffer overflow.
Fix this by merging the 'abort' and 'error' labels into a single 'out'
exit path, and ensuring that f54->report_size is always set to 0 on
failure by checking for error and zeroing the local report_size first.
Fixes: 3a762dbd5347 ("[media] Input: synaptics-rmi4 - add support for F54 diagnostics")
Cc: stable@vger.kernel.org
Reported-by: sashiko-bot@kernel.org
Assisted-by: Antigravity:gemini-3.5-flash
Link: https://patch.msgid.link/20260626051802.4033172-2-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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During F55 sensor detection, the transmitter (TX) electrode count was
incorrectly assigned the value of the receiver (RX) electrode count
due to copy-paste typos.
This incorrect value was then propagated to the driver data and used
by F54 to determine the diagnostics report size. On devices with more
RX than TX electrodes, this inflated the perceived TX count, leading
to incorrect report size calculations and potential out-of-bounds
buffer accesses.
Fix the typos by correctly assigning the TX electrode counts.
Fixes: 6adba43fd222 ("Input: synaptics-rmi4 - add support for F55 sensor tuning")
Fixes: c762cc68b6a1 ("Input: synaptics-rmi4 - propagate correct number of rx and tx electrodes to F54")
Reported-by: sashiko-bot@kernel.org
Cc: stable@vger.kernel.org
Assisted-by: Antigravity:gemini-3.5-flash
Link: https://patch.msgid.link/20260626051802.4033172-1-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Using interrupts and scheduling workers increase latency so latency
critical applications may want to avoid that. Make this possible in
USB4STREAM by adding a new ConfigFS attribute: busy_poll that, when
activated switches the rings to polling mode. The cost for lower latency
is that this burns more CPU cycles and things like poll(2) cannot be
used.
Assisted-by: Claude:claude-opus-4-8
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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For some use-cases it does make sense to poll the rings directly instead
of relying on the interrupt. For this reason add a new flag RING_FLAG_NO_INTERRUPT
that can be used to allocate ring in polled mode.
Assisted-by: Claude:claude-opus-4-8
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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For read_iter/write_iter() it is also possible to pass IOCB_NOWAIT with
the kiocb to indicate non-blocking read/write. For instance io_uring
does this. So take this into account on read and write paths.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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Since copy_page_{to|from}_iter() advances the iterator and makes
iov_iter_count() reflect the remaining bytes, subtracting nbytes from it
makes it count it twice resulting in possible short reads/writes on a
read/write spanning multiple frames.
Fix this by using iov_iter_count() directly.
Fixes: 6db21d817b43 ("thunderbolt: Add support for USB4STREAM")
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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In tbstream_dev_alloc_tx() if copying data from iterator fails we leave
the consumer pointer as is wasting one entry in the ring. Fix this by
restoring the consumer back in case of failure.
Fixes: 6db21d817b43 ("thunderbolt: Add support for USB4STREAM")
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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Firmware expects HWRM_FUNC_DRV_IF_CHANGE on interface down/up
transitions to coordinate resource management.
Add bnge_hwrm_if_change() to send this notification.
Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
Reviewed-by: Dharmender Garg <dharmender.garg@broadcom.com>
Reviewed-by: Rahul Gupta <rahul-rg.gupta@broadcom.com>
Link: https://patch.msgid.link/20260731163712.3463362-4-vikas.gupta@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Register bnge_set_rx_mode() as ndo_set_rx_mode_async to handle
unicast, multicast, broadcast, and promiscuous filter updates via
CFA_L2_SET_RX_MASK. The async variant receives pre-snapshotted address
lists from the kernel, allowing the driver to issue sleepable HWRM
firmware commands without holding the addr lock.
Move uc_update detection to the caller so the async path can compute
it directly from the snapshotted UC list before calling
bnge_cfg_rx_mode().
Handle -EAGAIN from bnge_hwrm_set_vnic_filter() and
bnge_hwrm_cfa_l2_set_rx_mask() on the open path by scheduling a retry
via netif_rx_mode_schedule_retry() rather than failing the open.
Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
Reviewed-by: Dharmender Garg <dharmender.garg@broadcom.com>
Reviewed-by: Rahul Gupta <rahul-rg.gupta@broadcom.com>
Link: https://patch.msgid.link/20260731163712.3463362-3-vikas.gupta@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Rename bnge_cfg_def_vnic() to bnge_cfg_rx_mode() and update
bnge_mc_list_updated() and bnge_uc_list_updated() to accept
explicit netdev_hw_addr_list pointers rather than deriving
them from the netdev.
Add a snapshot parameter to bnge_cfg_rx_mode() to skip
netif_addr_lock_bh() when the caller provides a pre-snapshotted
list. On the open path (snapshot=false), the live netdev UC list
is passed and the addr lock is taken as before.
Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
Reviewed-by: Dharmender Garg <dharmender.garg@broadcom.com>
Reviewed-by: Rahul Gupta <rahul-rg.gupta@broadcom.com>
Link: https://patch.msgid.link/20260731163712.3463362-2-vikas.gupta@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The existing driver logic is always turning on PTP_CLK_REQ_PPS
regardless of the "on" parameter passed to bnxt_ptp_enable().
During shutdown, PTP_CLK_REQ_PPS may be turned off and this
bug will do the opposite and may trigger a PCIe PTM request TLP.
On some systems this can trigger a PCIe AER.
Fix it by properly configuring PTP_CLK_REQ_PPS based on the "on"
parameter.
Fixes: 9e518f25802c ("bnxt_en: 1PPS functions to configure TSIO pins")
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Keegan Freyhof <keegan.freyhof@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20260731190937.807270-6-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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EOP (End of frame padding) on the AGG ring may cause overlapping of
zero padding at the end of one segment with the next segment's data.
If Relaxed Ordering (RO) is enabled, the zero padding may overwrite
valid data in the next segment and corrupt the data. Older chips
(P5 and older) do not automatically disable RO when EOP is enabled.
On some ARM systems, data corruption was reported on 57508 (P5)
chips with RO enabled.
Always disable EOP on all chips on the AGG rings when TPA is enabled
to fix the data corruption.
Fixes: bfcd8d791ec1 ("bnxt_en: Add fast path logic for TPA on 57500 chips.")
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20260731190937.807270-5-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When a queue is restarted, refresh VNIC_CFG for all VNICs whose
default RX ring is the restarted ring. This will eliminate this
possible FW warning caused by a stale default ring in the VNIC:
FW reported unknown error type 10
Fixes: 5ac066b7b062 ("bnxt_en: Fix queue start to update vnic RSS table")
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Shravya KN <shravya.k-n@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20260731190937.807270-4-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Each VNIC has a default RX ring. The purpose of the default RX ring
is to provide a destination for any packets that cannot be parsed by
the RSS logic. Up until now, the default RX ring is always Ring 0.
We neglected to take care of this default RX ring when adding the
queue restart feature. If ring 0 (default ring) is re-started, it
may now have a new FW ring ID after freeing the old one and
allocating a new one. The VNIC now may have a stale default ring
and it may generate an internal exception. This exception may
appear in dmesg:
FW reported unknown error type 10
The best way to resolve this issue is to use a more appropriate
ring for the default ring instead of always ring 0. Ring 0 may not
even be in the RSS table, especially on a new RSS context.
This patch adds the logic to determine and store the proper default
RX ring for a VNIC. For an RSS VNIC, the default ring is the lowest
ring number in the RSS table. The next patch will add proper logic
to update the VNIC if the default ring changes after queue restart.
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Shravya KN <shravya.k-n@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20260731190937.807270-3-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This is a refactor patch with no change in behavior. The caller
will now fill the RSS table before calling __bnxt_hwrm_vnic_set_rss().
In the next patch, we'll add code to determine the default ring for
the VNIC when we fill the RSS table.
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Shravya KN <shravya.k-n@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20260731190937.807270-2-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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There are a number of places where we open code what linear_page_index()
and linear_page_delta() calculate.
Replace this code with the appropriate functions for consistency.
No functional change intended.
Link: https://lore.kernel.org/20260710-b4-pre-scalable-cow-v2-21-2a5aa403d977@kernel.org
Signed-off-by: Lorenzo Stoakes <ljs@kernel.org>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> [DRM]
Acked-by: Kai Huang <kai.huang@intel.com> # for sgx
Reviewed-by: Gregory Price <gourry@gourry.net>
Reviewed-by: Pedro Falcato <pfalcato@suse.de> # for mm
Reviewed-by: Ackerley Tng <ackerleytng@google.com> [guest_memfd]
Reviewed-by: Vlastimil Babka (SUSE) <vbabka@kernel.org>
Cc: David Hildenbrand (Arm) <david@kernel.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: SJ Park <sj@kernel.org>
Cc: Liam R. Howlett (Oracle) <liam@infradead.org>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Several GPU SVM paths take mmap_read_lock() only to call hmm_range_fault()
and open-code mmu interval sequence setup before each HMM walk. They also
retry -EBUSY until HMM_RANGE_DEFAULT_TIMEOUT expires.
Use hmm_range_fault_unlocked_timeout() for those faults. The HMM helper
now owns mmap_lock acquisition and refreshes range->notifier_seq for its
internal retries, while GPU SVM keeps its existing driver-lock validation
with mmu_interval_read_retry() after a successful fault.
drm_gpusvm_scan_mm() and drm_gpusvm_range_evict() pass
HMM_RANGE_DEFAULT_TIMEOUT as the helper retry budget for each HMM fault
attempt. drm_gpusvm_get_pages() keeps its existing absolute outer
deadline because it can be reached from GPU page-fault workers, where
fatal signals from the faulting process cannot stop an endless
invalidation retry loop. It passes the remaining time from that deadline
to HMM for each fault attempt.
Leave drm_gpusvm_check_pages() on hmm_range_fault() because that path is
called with the mmap lock already held by its caller.
Link: https://lore.kernel.org/20260723-hmm-v10-v11-8-c55b003a4b61@gmail.com
Signed-off-by: Stanislav Kinsburskii <skinsburskii@gmail.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Dave Airlie <airlied@gmail.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Dexuan Cui <decui@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Leon Romanovsky <leon@kernel.org>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lizhi Hou <lizhi.hou@amd.com>
Cc: Long Li <longli@microsoft.com>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Lyude <lyude@redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Oded Gabbay <ogabbay@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Thomas Zimemrmann <tzimmermann@suse.de>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Wei Liu <wei.liu@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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aie2_populate_range() takes mmap_read_lock() only around
hmm_range_fault(). It also open-codes the mmu interval sequence setup
before each HMM walk and retries -EBUSY until HMM_RANGE_DEFAULT_TIMEOUT
expires.
Use hmm_range_fault_unlocked_timeout() instead. The HMM helper now owns
the mmap lock and refreshes mapp->range.notifier_seq for its internal
retries, so the driver only needs to call the helper and then validate the
sequence before marking the mapping populated.
Pass HMM_RANGE_DEFAULT_TIMEOUT as the helper retry budget for each HMM
population attempt. This scopes the timeout to repeated HMM notifier
retries while preserving the existing outer loop that moves between
invalid mappings and restarts when the interval is invalidated before the
driver updates its mapping state.
Keep returning -ETIME when the HMM retry budget expires, matching the
driver's existing timeout error convention.
Link: https://lore.kernel.org/20260723-hmm-v10-v11-7-c55b003a4b61@gmail.com
Signed-off-by: Stanislav Kinsburskii <skinsburskii@gmail.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Dave Airlie <airlied@gmail.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Dexuan Cui <decui@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Leon Romanovsky <leon@kernel.org>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lizhi Hou <lizhi.hou@amd.com>
Cc: Long Li <longli@microsoft.com>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Lyude <lyude@redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Oded Gabbay <ogabbay@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Thomas Zimemrmann <tzimmermann@suse.de>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Wei Liu <wei.liu@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
|
ib_umem_odp_map_dma_and_lock() takes mmap_read_lock() only around
hmm_range_fault(), then retries -EBUSY until HMM_RANGE_DEFAULT_TIMEOUT
expires.
Use hmm_range_fault_unlocked_timeout() instead. The HMM helper now owns
the mmap lock and refreshes range->notifier_seq for its internal retries.
ODP keeps using HMM_RANGE_DEFAULT_TIMEOUT for each HMM fault attempt,
while interval invalidation retries continue to be handled by the existing
outer loop.
ODP still validates the interval notifier sequence while holding
umem_mutex before DMA mapping pages.
Link: https://lore.kernel.org/20260723-hmm-v10-v11-6-c55b003a4b61@gmail.com
Signed-off-by: Stanislav Kinsburskii <skinsburskii@gmail.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Dave Airlie <airlied@gmail.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Dexuan Cui <decui@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Leon Romanovsky <leon@kernel.org>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lizhi Hou <lizhi.hou@amd.com>
Cc: Long Li <longli@microsoft.com>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Lyude <lyude@redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Oded Gabbay <ogabbay@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Thomas Zimemrmann <tzimmermann@suse.de>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Wei Liu <wei.liu@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
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nouveau_range_fault() takes mmap_read_lock() only to call
hmm_range_fault(). It also keeps a single HMM_RANGE_DEFAULT_TIMEOUT
deadline across both HMM -EBUSY retries and post-fault
mmu_interval_read_retry() retries.
Use hmm_range_fault_unlocked_timeout() instead. The HMM helper now owns
the mmap lock and refreshes range->notifier_seq for its internal retries.
Nouveau keeps its existing absolute deadline in the outer loop and passes
the remaining jiffies to the helper for each fault attempt, so retries
caused by mmu_interval_read_retry() do not reset the overall retry budget.
Nouveau still validates the interval notifier sequence while holding
svmm->mutex before programming the GPU mapping.
Link: https://lore.kernel.org/20260723-hmm-v10-v11-5-c55b003a4b61@gmail.com
Signed-off-by: Stanislav Kinsburskii <skinsburskii@gmail.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Dave Airlie <airlied@gmail.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Dexuan Cui <decui@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Leon Romanovsky <leon@kernel.org>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lizhi Hou <lizhi.hou@amd.com>
Cc: Long Li <longli@microsoft.com>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Lyude <lyude@redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Oded Gabbay <ogabbay@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Thomas Zimemrmann <tzimmermann@suse.de>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Wei Liu <wei.liu@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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|
MSHV currently faults movable memory regions by taking mmap_read_lock()
around hmm_range_fault(). That prevents the fault path from handling VMAs
whose fault handlers need to drop mmap_lock, such as userfaultfd-backed
mappings.
Use hmm_range_fault_unlocked_timeout() instead. Passing a timeout of 0
preserves MSHV's existing unbounded retry behavior while letting the HMM
helper own mmap_lock acquisition and refresh range->notifier_seq
internally before walking the range. After the fault succeeds, MSHV still
takes mreg_mutex and checks mmu_interval_read_retry() before installing
the pages into the region, so the existing invalidation synchronization is
preserved.
Fold the small fault-and-lock helper into mshv_region_range_fault(), since
the remaining retry path is just the standard "fault, take the driver
lock, check the interval notifier sequence" pattern.
Link: https://lore.kernel.org/20260723-hmm-v10-v11-4-c55b003a4b61@gmail.com
Signed-off-by: Stanislav Kinsburskii <skinsburskii@gmail.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Dave Airlie <airlied@gmail.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Dexuan Cui <decui@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Leon Romanovsky <leon@kernel.org>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lizhi Hou <lizhi.hou@amd.com>
Cc: Long Li <longli@microsoft.com>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Lyude <lyude@redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Oded Gabbay <ogabbay@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Thomas Zimemrmann <tzimmermann@suse.de>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Wei Liu <wei.liu@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
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mlx5e_queue_start() deactivates and re-activates all channels but closes
only the queue being restarted. mlx5e_activate_txqsq() then
unconditionally calls netdev_tx_reset_queue(), zeroing the BQL counters
of channels that kept their in-flight TX WQEs. The next completion then
over-charges and trips the BUG_ON() in dql_completed():
kernel BUG at lib/dynamic_queue_limits.c:99!
RIP: 0010:dql_completed+0x23d/0x280
Call Trace:
<IRQ>
mlx5e_poll_tx_cq+0x668/0xa60
mlx5e_napi_poll+0x5b/0x7b0
net_rx_action+0x15a/0x580
Reset BQL only when the SQ has no bytes in flight (sq->cc == sq->pc).
In the case that reset is skipped, the outstanding WQEs will eventually
complete and rebalance the dql. The dql->limit is carried across the
reset.
Fixes: b2588ea40ec9 ("net/mlx5e: Implement queue mgmt ops and single channel swap")
Signed-off-by: Bobby Eshleman <bobbyeshleman@meta.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20260803-mlx5-bql-v3-1-a30d4c66fe1d@meta.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
bonding_init() ignores register_netdevice_notifier() errors and still
returns success, which can leave the bonding module loaded without its
netdev notifier registered.
Check the error and unwind prior initialization on failure.
This is a future looking check, register_netdevice_notifier()
only fails on double registration or if the registered notifier
itself returns an error.
Signed-off-by: Minhong He <heminhong@kylinos.cn>
Acked-by: Jay Vosburgh <jv@jvosburgh.net>
Link: https://patch.msgid.link/20260803090012.142638-1-heminhong@kylinos.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
vrf_init_module() ignores register_netdevice_notifier() errors and
continues module initialization, which can leave VRF loaded without its
netdev notifier registered.
Check the error and fail module initialization early.
This is a future looking check, register_netdevice_notifier()
only fails on double registration or if the registered notifier
itself returns an error.
Signed-off-by: Minhong He <heminhong@kylinos.cn>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20260803090002.142453-1-heminhong@kylinos.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
macvlan_init_module() ignores register_netdevice_notifier() errors and
continues module initialization, which can leave macvlan loaded without
its netdev notifier registered.
Check the error and fail module initialization early.
This is a future looking check, register_netdevice_notifier()
only fails on double registration or if the registered notifier
itself returns an error.
Signed-off-by: Minhong He <heminhong@kylinos.cn>
Link: https://patch.msgid.link/20260803085950.142325-1-heminhong@kylinos.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
team_module_init() ignores register_netdevice_notifier() errors and
continues module initialization, which can leave the team module loaded
without its netdev notifier registered.
Check the error and fail module initialization early.
This is a future looking check, register_netdevice_notifier()
only fails on double registration or if the registered notifier
itself returns an error.
Signed-off-by: Minhong He <heminhong@kylinos.cn>
Link: https://patch.msgid.link/20260803085943.142261-1-heminhong@kylinos.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
lapbeth_init_driver()
lapbeth_init_driver() ignores register_netdevice_notifier() errors and
always returns success, which can leave the module loaded without its
netdev notifier registered.
Check the error and remove the packet type on failure.
This is a future looking check, register_netdevice_notifier()
only fails on double registration or if the registered notifier
itself returns an error.
Signed-off-by: Minhong He <heminhong@kylinos.cn>
Link: https://patch.msgid.link/20260803085936.142160-1-heminhong@kylinos.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
usbnet_probe() initializes max_mtu to ETH_MAX_MTU and only caps it
inside the if (info->bind) block. Drivers without a bind callback
never enter this block, so max_mtu stays at ETH_MAX_MTU.
QEMU's usb-net device (0x0525/0xa4a2) is claimed by the cdc_subset
driver which has no bind callback. The guest accepts any MTU from DHCP
(e.g. 65520 from passt), leading to TCP segments that exceed the
device's 2048-byte receive buffer and are silently dropped.
Initialize max_mtu to net->mtu at probe time and update it inside
the bind block.
Fixes: f77f0aee4da4 ("net: use core MTU range checking in USB NIC drivers")
Cc: jarod@redhat.com
Cc: stable@vger.kernel.org
Link: https://gitlab.com/qemu-project/qemu/-/issues/3268
Link: https://bugs.passt.top/show_bug.cgi?id=189
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Link: https://patch.msgid.link/20260731092711.857684-1-lvivier@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
bnge_fix_rings_count() returns 0 on success or a negative errno on failure
However, bnge_adjust_rings() stores its return value in a u16 variable,
causing negative error codes such as -ENOMEM to be converted to a large
positive value.
Use an int for the return code variable so that error values are
preserved and propagated correctly.
Fixes: 627c67f038d2 ("bng_en: Add resource management support")
Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com>
Reviewed-by: Bhargava Marreddy <bhargava.marreddy@broadcom.com>
Link: https://patch.msgid.link/20260801100923.1498570-1-alok.a.tiwari@oracle.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
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aq_ring_rx_deinit() only walks [sw_head, sw_tail), the region posted to
hardware. Since the page reuse strategy was added, a cleaned RX buffer
keeps its page (and its DMA mapping) in the ring for reuse, and refill
is batched: aq_ring_rx_fill() returns early until AQ_CFG_RX_REFILL_THRES
slots are free. Slots that were consumed but not yet reposted therefore
sit in the complementary [sw_tail, sw_head) gap with a live page, and
the deinit walk never visits them: up to a refill batch worth of pages
and DMA mappings leak on every interface down.
Walk the whole ring instead and release whatever is still there. Also
bail out if the buffer ring is already gone: a partial
aq_ptp_ring_alloc() failure frees the ring but leaves aq_nic set, so
aq_ptp_ring_deinit() still gets here on the unwind path.
Cc: stable@vger.kernel.org # v5.2+
Fixes: 46f4c29d9de6 ("net: aquantia: optimize rx performance by page reuse strategy")
Reviewed-by: Sukhdeep Singh <sukhdeeps@marvell.com>
Signed-off-by: Yangyu Chen <cyy@cyyself.name>
Acked-by: Mina Almasry <almasrymina@google.com>
Link: https://patch.msgid.link/tencent_607CBA8237DA438E36B844318B21538DE008@qq.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
aq_vec_deinit() drains the TX rings with a single aq_ring_tx_clean()
call, which frees at most AQ_CFG_TX_CLEAN_BUDGET (256) descriptors and
stops at hw_head, which no longer moves once aq_vec_stop() has stopped
the hardware and NAPI. Completed descriptors beyond the budget and
everything still posted in [hw_head, sw_tail) keep their skb or
xdp_frame when the interface goes down: aq_vec_ring_free() then frees
the buffer ring and the references are lost for good.
Today this is a silent memory leak on every interface down under
TX/XDP_TX load. With the conversion of the RX path to page_pool posted
for net-next it becomes much more visible: XDP_TX frames carry fragment
references on the RX ring's page_pool, so a single stranded frame keeps
the pool's inflight count above zero forever. page_pool_destroy() then
never completes, the pool is leaked together with its pages, and
"page_pool_release_retry() stalled pool shutdown" is warned every 60
seconds from that point on, on every ifdown, XDP detach or ring resize
under XDP_TX load.
Bring back aq_ring_tx_deinit() as it was before the removal and use it
for teardown again, with one extension: TX rings can hold xdp_frames
nowadays, so release those too. They are returned with
xdp_return_frame() since this runs in process context.
Fixes: eb36bedf28be ("net: aquantia: remove function aq_ring_tx_deinit")
Cc: stable@vger.kernel.org # v4.11+
Reviewed-by: Sukhdeep Singh <sukhdeeps@marvell.com>
Signed-off-by: Yangyu Chen <cyy@cyyself.name>
Acked-by: Mina Almasry <almasrymina@google.com>
Link: https://patch.msgid.link/tencent_EEDC35FAF2750A3A6A0B39BAE0E2C484860A@qq.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Since the referenced commit, changing the MTU on a running interface no
longer disconnects and reconnects the PHY; __stmmac_release() merely
stops phylink, which also suspends the PHY (BMCR power-down) when WoL
is not enabled. __stmmac_open() then performs the DMA software reset in
stmmac_hw_setup() before phylink_start() resumes the PHY again.
IEEE 802.3 22.2.4.1.5 allows a PHY to stop its receive clock while
powered down, and stmmac requires a running receive clock for the DMA
software reset to complete (the phylink config sets mac_requires_rxc).
On such setups, e.g. the RK3566-based Home Assistant Green with an
RTL8211F-VD PHY in RGMII mode, any runtime MTU change now times out and
leaves the interface dead:
rk_gmac-dwmac fe010000.ethernet end0: Failed to reset the dma
rk_gmac-dwmac fe010000.ethernet end0: stmmac_hw_setup: DMA engine initialization failed
rk_gmac-dwmac fe010000.ethernet end0: __stmmac_open: Hw setup failed
rk_gmac-dwmac fe010000.ethernet end0: failed reopening the interface after MTU change
In the field this is triggered by NetworkManager applying an MTU while
activating the connection, breaking networking entirely. The same
regression has also been reported on i.MX8MP and reproduced on SoCFPGA
based systems.
Resume the PHY in __stmmac_open() before the hardware setup, making it
the counterpart of the phylink_stop() in __stmmac_release(), like
stmmac_resume() already does for the same reason. phylink_start() also
resumes the PHY, but only after stmmac_hw_setup(), and it cannot be
moved before the hardware setup since it may bring the link up
immediately from a workqueue, racing with the initialization (see the
comment in stmmac_resume()). For the regular ndo_open path the PHY has
just been attached and is not suspended, in which case
phylink_prepare_resume() does nothing.
Fixes: db299a0c09e9 ("net: stmmac: move PHY handling out of __stmmac_open()/release()")
Link: https://github.com/home-assistant/operating-system/issues/4858
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Tested-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/20260803095156.132827-1-stefan@agner.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
The memory allocated for struct vcap_rule_internal, keyfields and
actionfields inside vcap_dup_rule() are not freed in some of the error
paths in vcap_decode_rule(). Fix that by calling vcap_free_rule().
Compile tested only. Issue found using a prototype static analysis tool
built on top of the LLVM compiler infrastructure.
Cc: stable+noautosel@kernel.org # untested fix to unlikely driver error path
Reviewed-by: Joe Damato <joe@dama.to>
Signed-off-by: Abdun Nihaal <nihaal@cse.iitm.ac.in>
Link: https://patch.msgid.link/20260801055507.47534-1-nihaal@cse.iitm.ac.in
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
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Antonio Quartulli says:
====================
Included fixes:
* use rcu_dereference_bh() instead of rcu_access_pointer() where the
pointer is actually dereferenced
* ensure TCP global variables are initialized before they can be
accessed via netlink (e.g. when attaching a TCP socket)
* actually disable IPv4 redirects on multipeer interfaces (the
previous attempt was a no-op and did not survive netns moves)
* hash a floated peer by its transport identity only, consistently
with the add and lookup paths
* zero the sockaddr padding before learning a floated endpoint so it
does not leak into the by_transp_addr hash key
* ensure the socket is owned by ovpn before dereferencing
sk_user_data
* rehash a peer in the by_transp_addr table when its remote endpoint
is updated via CMD_PEER_SET
* avoid re-adding to the hashtables a peer that was concurrently
removed (use-after-free)
* limit keepalive values to one day to avoid overflowing the
delayed-work delay on 32-bit systems
* add the missing rtnl_link_ops->get_size callback so link messages
account for the nested mode attribute
* tag 'ovpn-net-20260730' of https://github.com/OpenVPN/ovpn-net-next:
ovpn: fix incorrect use of rcu_access_pointer()
ovpn: ensure TCP vars are initialized first
ovpn: disable IPv4 redirects on MP interfaces
ovpn: hash floated peer by transport identity only
ovpn: zero-initialize sockaddr before learning a floated endpoint
ovpn: ensure socket is owned by ovpn before deref sk_user_data
ovpn: rehash peer in by_transp_addr table on CMD_PEER_SET
ovpn: skip rehash for peers already removed from by_id
ovpn: limit keepalive values to one day
ovpn: add missing rtnl_link_ops->get_size callback
====================
Link: https://patch.msgid.link/20260730094624.4102963-1-antonio@openvpn.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The Microchip MCP47A1 is a 6-bit volatile Digital-to-Analog converter
which communicates via I2C.
Signed-off-by: Joshua Crofts <joshua.crofts1@gmail.com>
Signed-off-by: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>
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Sashiko reports that we incorrectly disable isolation in the setup
loop while what we want to do is to enable it.
Enable it by unconditionally setting the enable bit 0 in
rtl8366rb_port_set_isolation() so a mask of 0 when passed in
will enable isolation and isolate from ALL ports.
Fix up the comments so it is clear what is going on, including a
missing word in the helper function.
Reported-by: Paolo Abeni <pabeni@redhat.com>
Closes: https://sashiko.dev/#/patchset/20260630-rtl8366rb-improvements-v2-0-05eb9d6a37f5%40kernel.org
Signed-off-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/20260731-rtl8366rb-fixes-v4-1-fbf0c95b829a@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
