Move from 2*NUM_QUEUES dma_alloc_coherent() for DMA descriptor rings to
2 calls overall.
Issue is with how all queues share the same register for configuring the
upper 32-bits of Tx/Rx descriptor rings. Taking Tx, notice how TBQPH
does *not* depend on the queue index:
#define GEM_TBQP(hw_q) (0x0440 + ((hw_q) << 2))
#define GEM_TBQPH(hw_q) (0x04C8)
queue_writel(queue, TBQP, lower_32_bits(queue->tx_ring_dma));
#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
if (bp->hw_dma_cap & HW_DMA_CAP_64B)
queue_writel(queue, TBQPH, upper_32_bits(queue->tx_ring_dma));
#endif
To maximise our chances of getting valid DMA addresses, we do a single
dma_alloc_coherent() across queues. This improves the odds because
alloc_pages() guarantees natural alignment. Other codepaths (IOMMU or
dev/arch dma_map_ops) don't give high enough guarantees
(even page-aligned isn't enough).
Two consideration:
- dma_alloc_coherent() gives us page alignment. Here we remove this
constraint meaning each queue's ring won't be page-aligned anymore.
- This can save some tiny amounts of memory. Fewer allocations means
(1) less overhead (constant cost per alloc) and (2) less wasted bytes
due to alignment constraints.
Example for (2): 4 queues, default ring size (512), 64-bit DMA
descriptors, 16K pages:
- Before: 8 allocs of 8K, each rounded to 16K => 64K wasted.
- After: 2 allocs of 32K => 0K wasted.
Fixes: 02c958dd34 ("net/macb: add TX multiqueue support for gem")
Reviewed-by: Sean Anderson <sean.anderson@linux.dev>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Tested-by: Nicolas Ferre <nicolas.ferre@microchip.com> # on sam9x75
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250923-macb-fixes-v6-4-772d655cdeb6@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The tx/rx ring size calculation is somewhat complex and partially hidden
behind a macro. Move that out of the {RX,TX}_RING_BYTES() macros and
macb_{alloc,free}_consistent() functions into neat separate functions.
In macb_free_consistent(), we drop the size variable and directly call
the size helpers in the arguments list. In macb_alloc_consistent(), we
keep the size variable that is used by netdev_dbg() calls.
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250923-macb-fixes-v6-3-772d655cdeb6@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The MACB driver acts as if TBQPH/RBQPH are configurable on a per queue
basis; this is a lie. A single register configures the upper 32 bits of
each DMA descriptor buffers for all queues.
Concrete actions:
- Drop GEM_TBQPH/GEM_RBQPH macros which have a queue index argument.
Only use MACB_TBQPH/MACB_RBQPH constants.
- Drop struct macb_queue->TBQPH/RBQPH fields.
- In macb_init_buffers(): do a single write to TBQPH and RBQPH for all
queues instead of a write per queue.
- In macb_tx_error_task(): drop the write to TBQPH.
- In macb_alloc_consistent(): if allocations give different upper
32-bits, fail. Previously, it would have lead to silent memory
corruption as queues would have used the upper 32 bits of the alloc
from queue 0 and their own low 32 bits.
- In macb_suspend(): if we use the tie off descriptor for suspend, do
the write once for all queues instead of once per queue.
Fixes: fff8019a08 ("net: macb: Add 64 bit addressing support for GEM")
Fixes: ae1f2a56d2 ("net: macb: Added support for many RX queues")
Reviewed-by: Sean Anderson <sean.anderson@linux.dev>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250923-macb-fixes-v6-2-772d655cdeb6@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Allow providing tsu_clk without a tx_clk as both are optional.
This is about relaxing unneeded constraints. It so happened that in the
past HW that needed a tsu_clk always needed a tx_clk.
Fixes: 4e5b6de1f4 ("dt-bindings: net: cdns,macb: Convert to json-schema")
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Link: https://patch.msgid.link/20250923-macb-fixes-v6-1-772d655cdeb6@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
syzbot reported WARNING in rtl8150_start_xmit/usb_submit_urb.
This is the sequence of events that leads to the warning:
rtl8150_start_xmit() {
netif_stop_queue();
usb_submit_urb(dev->tx_urb);
}
rtl8150_set_multicast() {
netif_stop_queue();
netif_wake_queue(); <-- wakes up TX queue before URB is done
}
rtl8150_start_xmit() {
netif_stop_queue();
usb_submit_urb(dev->tx_urb); <-- double submission
}
rtl8150_set_multicast being the ndo_set_rx_mode callback should not be
calling netif_stop_queue and notif_start_queue as these handle
TX queue synchronization.
The net core function dev_set_rx_mode handles the synchronization
for rtl8150_set_multicast making it safe to remove these locks.
Reported-and-tested-by: syzbot+78cae3f37c62ad092caa@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=78cae3f37c62ad092caa
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Tested-by: Michal Pecio <michal.pecio@gmail.com>
Signed-off-by: I Viswanath <viswanathiyyappan@gmail.com>
Link: https://patch.msgid.link/20250924134350.264597-1-viswanathiyyappan@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
No known regressions at this point.
Current release - regressions:
- xfrm: xfrm_alloc_spi shouldn't use 0 as SPI
Previous releases - regressions:
- xfrm: fix offloading of cross-family tunnels
- bluetooth: fix several races leading to UaFs
- dsa: lantiq_gswip: fix FDB entries creation for the CPU port
- eth: tun: update napi->skb after XDP process
- eth: mlx: fix UAF in flow counter release
Previous releases - always broken:
- core: forbid FDB status change while nexthop is in a group
- smc: fix warning in smc_rx_splice() when calling get_page()
- can: provide missing ndo_change_mtu(), to prevent buffer overflow.
- eth: i40e: fix VF config validation
- eth: broadcom: fix support for PTP_EXTTS_REQUEST2 ioctl
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from Bluetooth, IPsec and CAN.
No known regressions at this point.
Current release - regressions:
- xfrm: xfrm_alloc_spi shouldn't use 0 as SPI
Previous releases - regressions:
- xfrm: fix offloading of cross-family tunnels
- bluetooth: fix several races leading to UaFs
- dsa: lantiq_gswip: fix FDB entries creation for the CPU port
- eth:
- tun: update napi->skb after XDP process
- mlx: fix UAF in flow counter release
Previous releases - always broken:
- core: forbid FDB status change while nexthop is in a group
- smc: fix warning in smc_rx_splice() when calling get_page()
- can: provide missing ndo_change_mtu(), to prevent buffer overflow.
- eth:
- i40e: fix VF config validation
- broadcom: fix support for PTP_EXTTS_REQUEST2 ioctl"
* tag 'net-6.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (40 commits)
octeontx2-pf: Fix potential use after free in otx2_tc_add_flow()
net: dsa: lantiq_gswip: suppress -EINVAL errors for bridge FDB entries added to the CPU port
net: dsa: lantiq_gswip: move gswip_add_single_port_br() call to port_setup()
libie: fix string names for AQ error codes
net/mlx5e: Fix missing FEC RS stats for RS_544_514_INTERLEAVED_QUAD
net/mlx5: HWS, ignore flow level for multi-dest table
net/mlx5: fs, fix UAF in flow counter release
selftests: fib_nexthops: Add test cases for FDB status change
selftests: fib_nexthops: Fix creation of non-FDB nexthops
nexthop: Forbid FDB status change while nexthop is in a group
net: allow alloc_skb_with_frags() to use MAX_SKB_FRAGS
bnxt_en: correct offset handling for IPv6 destination address
ptp: document behavior of PTP_STRICT_FLAGS
broadcom: fix support for PTP_EXTTS_REQUEST2 ioctl
broadcom: fix support for PTP_PEROUT_DUTY_CYCLE
Bluetooth: MGMT: Fix possible UAFs
Bluetooth: hci_event: Fix UAF in hci_acl_create_conn_sync
Bluetooth: hci_event: Fix UAF in hci_conn_tx_dequeue
Bluetooth: hci_sync: Fix hci_resume_advertising_sync
Bluetooth: Fix build after header cleanup
...
More small fixes. Most notably this fixes crashes and hangs in
vhost-net.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio fixes from Michael Tsirkin:
"virtio,vhost: last minute fixes
More small fixes. Most notably this fixes crashes and hangs in
vhost-net"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
MAINTAINERS, mailmap: Update address for Peter Hilber
virtio_config: clarify output parameters
uapi: vduse: fix typo in comment
vhost: Take a reference on the task in struct vhost_task.
vhost-net: flush batched before enabling notifications
Revert "vhost/net: Defer TX queue re-enable until after sendmsg"
vhost-net: unbreak busy polling
vhost-scsi: fix argument order in tport allocation error message
This code calls kfree_rcu(new_node, rcu) and then dereferences "new_node"
and then dereferences it on the next line. Two lines later, we take
a mutex so I don't think this is an RCU safe region. Re-order it to do
the dereferences before queuing up the free.
Fixes: 68fbff68db ("octeontx2-pf: Add police action for TC flower")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/aNKCL1jKwK8GRJHh@stanley.mountain
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Vladimir Oltean says:
====================
lantiq_gswip fixes
This is a small set of fixes which I believe should be backported for
the lantiq_gswip driver. Daniel Golle asked me to submit them here:
https://lore.kernel.org/netdev/aLiDfrXUbw1O5Vdi@pidgin.makrotopia.org/
As mentioned there, a merge conflict with net-next is expected, due to
the movement of the driver to the 'drivers/net/dsa/lantiq' folder there.
Good luck :-/
Patch 2/2 fixes an old regression and is the minimal fix for that, as
discussed here:
https://lore.kernel.org/netdev/aJfNMLNoi1VOsPrN@pidgin.makrotopia.org/
Patch 1/2 was identified by me through static analysis, and I consider
it to be a serious deficiency. It needs a test tag.
====================
Link: https://patch.msgid.link/20250918072142.894692-1-vladimir.oltean@nxp.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The blamed commit and others in that patch set started the trend
of reusing existing DSA driver API for a new purpose: calling
ds->ops->port_fdb_add() on the CPU port.
The lantiq_gswip driver was not prepared to handle that, as can be seen
from the many errors that Daniel presents in the logs:
[ 174.050000] gswip 1e108000.switch: port 2 failed to add fa:aa:72:f4:8b:1e vid 1 to fdb: -22
[ 174.060000] gswip 1e108000.switch lan2: entered promiscuous mode
[ 174.070000] gswip 1e108000.switch: port 2 failed to add 00:01:02:03:04:02 vid 0 to fdb: -22
[ 174.090000] gswip 1e108000.switch: port 2 failed to add 00:01:02:03:04:02 vid 1 to fdb: -22
[ 174.090000] gswip 1e108000.switch: port 2 failed to delete fa:aa:72:f4:8b:1e vid 1 from fdb: -2
The errors are because gswip_port_fdb() wants to get a handle to the
bridge that originated these FDB events, to associate it with a FID.
Absolutely honourable purpose, however this only works for user ports.
To get the bridge that generated an FDB entry for the CPU port, one
would need to look at the db.bridge.dev argument. But this was
introduced in commit c26933639b ("net: dsa: request drivers to perform
FDB isolation"), first appeared in v5.18, and when the blamed commit was
introduced in v5.14, no such API existed.
So the core DSA feature was introduced way too soon for lantiq_gswip.
Not acting on these host FDB entries and suppressing any errors has no
other negative effect, and practically returns us to not supporting the
host filtering feature at all - peacefully, this time.
Fixes: 10fae4ac89 ("net: dsa: include bridge addresses which are local in the host fdb list")
Reported-by: Daniel Golle <daniel@makrotopia.org>
Closes: https://lore.kernel.org/netdev/aJfNMLNoi1VOsPrN@pidgin.makrotopia.org/
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20250918072142.894692-3-vladimir.oltean@nxp.com
Tested-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
A port added to a "single port bridge" operates as standalone, and this
is mutually exclusive to being part of a Linux bridge. In fact,
gswip_port_bridge_join() calls gswip_add_single_port_br() with
add=false, i.e. removes the port from the "single port bridge" to enable
autonomous forwarding.
The blamed commit seems to have incorrectly thought that ds->ops->port_enable()
is called one time per port, during the setup phase of the switch.
However, it is actually called during the ndo_open() implementation of
DSA user ports, which is to say that this sequence of events:
1. ip link set swp0 down
2. ip link add br0 type bridge
3. ip link set swp0 master br0
4. ip link set swp0 up
would cause swp0 to join back the "single port bridge" which step 3 had
just removed it from.
The correct DSA hook for one-time actions per port at switch init time
is ds->ops->port_setup(). This is what seems to match the coder's
intention; also see the comment at the beginning of the file:
* At the initialization the driver allocates one bridge table entry for
~~~~~~~~~~~~~~~~~~~~~
* each switch port which is used when the port is used without an
* explicit bridge.
Fixes: 8206e0ce96 ("net: dsa: lantiq: Add VLAN unaware bridge offloading")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20250918072142.894692-2-vladimir.oltean@nxp.com
Tested-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
- fprobe: Even if there is a memory allocation failure, try to remove
the addresses recorded until then from the filter. Previously we
just skip it.
- tracing: dynevent: Add a missing lockdown check on dynevent. This
dynevent is the interface for all probe events. Thus if there is no
check, any probe events can be added after lock down the tracefs.
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Merge tag 'probes-fixes-v6.17-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probes fixes from Masami Hiramatsu:
- fprobe: Even if there is a memory allocation failure, try to remove
the addresses recorded until then from the filter. Previously we just
skipped it.
- tracing: dynevent: Add a missing lockdown check on dynevent. This
dynevent is the interface for all probe events. Thus if there is no
check, any probe events can be added after lock down the tracefs.
* tag 'probes-fixes-v6.17-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: dynevent: Add a missing lockdown check on dynevent
tracing: fprobe: Fix to remove recorded module addresses from filter
The LIBIE_AQ_STR macro() introduced by commit 5feaa7a07b ("libie: add
adminq helper for converting err to str") is used in order to generate
strings for printing human readable error codes. Its definition is missing
the separating underscore ('_') character which makes the resulting strings
difficult to read. Additionally, the string won't match the source code,
preventing search tools from working properly.
Add the missing underscore character, fixing the error string names.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Fixes: 5feaa7a07b ("libie: add adminq helper for converting err to str")
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://patch.msgid.link/20250923205657.846759-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit 1b34cbbf4f ("crypto: af_alg - Disallow concurrent writes in
af_alg_sendmsg") changed some fields from bool to 1-bit bitfields of
type u32.
However, some assignments to these fields, specifically 'more' and
'merge', assign values greater than 1. These relied on C's implicit
conversion to bool, such that zero becomes false and nonzero becomes
true.
With a 1-bit bitfields of type u32 instead, mod 2 of the value is taken
instead, resulting in 0 being assigned in some cases when 1 was intended.
Fix this by restoring the bool type.
Fixes: 1b34cbbf4f ("crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg")
Cc: stable@vger.kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There are a few minor code fixes for tegra firmware, i.MX firmware and the
eyeq reset controller, and a MAINTAINERS update as Alyssa Rosenzweig moves
on to non-kernel projects. The other changes are all for devicetree files:
- Multiple Marvell Armada SoCs need changes to fix PCIe, audio and SATA
- A socfpga board fails to probe the ethernet phy
- The two temperature sensors on i.MX8MP are swapped
- Allwinner devicetree files cause build-time warnings
- Two Rockchip based boards need corrections for headphone detection
and SPI flash
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Merge tag 'soc-fixes-6.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC fixes from Arnd Bergmann:
"There are a few minor code fixes for tegra firmware, i.MX firmware
and the eyeq reset controller, and a MAINTAINERS update as Alyssa
Rosenzweig moves on to non-kernel projects.
The other changes are all for devicetree files:
- Multiple Marvell Armada SoCs need changes to fix PCIe, audio and
SATA
- A socfpga board fails to probe the ethernet phy
- The two temperature sensors on i.MX8MP are swapped
- Allwinner devicetree files cause build-time warnings
- Two Rockchip based boards need corrections for headphone detection
and SPI flash"
* tag 'soc-fixes-6.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
MAINTAINERS: remove Alyssa Rosenzweig
firmware: tegra: Do not warn on missing memory-region property
arm64: dts: marvell: cn9132-clearfog: fix multi-lane pci x2 and x4 ports
arm64: dts: marvell: cn9132-clearfog: disable eMMC high-speed modes
arm64: dts: marvell: cn913x-solidrun: fix sata ports status
ARM: dts: kirkwood: Fix sound DAI cells for OpenRD clients
arm64: dts: imx8mp: Correct thermal sensor index
ARM: imx: Kconfig: Adjust select after renamed config option
firmware: imx: Add stub functions for SCMI CPU API
firmware: imx: Add stub functions for SCMI LMM API
firmware: imx: Add stub functions for SCMI MISC API
riscv: dts: allwinner: rename devterm i2c-gpio node to comply with binding
arm64: dts: rockchip: Fix the headphone detection on the orangepi 5
arm64: dts: rockchip: Add vcc supply for SPI Flash on NanoPC-T6
ARM: dts: socfpga: sodia: Fix mdio bus probe and PHY address
reset: eyeq: fix OF node leak
ARM64: dts: mcbin: fix SATA ports on Macchiatobin
ARM: dts: armada-370-db: Fix stereo audio input routing on Armada 370
ARM: dts: allwinner: Minor whitespace cleanup
Fix a locking issue in the cpufreq core introduced recently and
caught by lockdep (Christian Loehle).
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Merge tag 'pm-6.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Rafael:
"Fix a locking issue in the cpufreq core introduced recently and caught
by lockdep (Christian Loehle)"
* tag 'pm-6.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: Initialize cpufreq-based invariance before subsys
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Merge tag 'for-6.17-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fix from David Sterba:
"One more regression fix for a problem in zoned mode: mounting would
fail if the number of open and active zones reached a common limit
that didn't use to be checked"
* tag 'for-6.17-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: zoned: don't fail mount needlessly due to too many active zones
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Merge tag '6.17-rc7-ksmbd-server-fixes' of git://git.samba.org/ksmbd
Pull smb server fixes from Steve French:
- free_transport fix for disconnect races
- minor delayed work fix
* tag '6.17-rc7-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
smb: server: use disable_work_sync in transport_rdma.c
smb: server: don't use delayed_work for post_recv_credits_work
Even if there is a memory allocation failure in fprobe_addr_list_add(),
there is a partial list of module addresses. So remove the recorded
addresses from filter if exists.
This also removes the redundant ret local variable.
Fixes: a3dc2983ca ("tracing: fprobe: Cleanup fprobe hash when module unloading")
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: stable@vger.kernel.org
Reviewed-by: Menglong Dong <menglong8.dong@gmail.com>
Include MLX5E_FEC_RS_544_514_INTERLEAVED_QUAD in the FEC RS stats
handling. This addresses a gap introduced when adding support for
200G/lane link modes.
Fixes: 4e343c11ef ("net/mlx5e: Support FEC settings for 200G per lane link modes")
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: Yael Chemla <ychemla@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1758525094-816583-4-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When HWS creates multi-dest FW table and adds rules to
forward to other tables, ignore the flow level enforcement
in FW, because HWS is responsible for table levels.
This fixes the following error:
mlx5_core 0000:08:00.0: mlx5_cmd_out_err:818:(pid 192306):
SET_FLOW_TABLE_ENTRY(0x936) op_mod(0x0) failed,
status bad parameter(0x3), syndrome (0x6ae84c), err(-22)
Fixes: 504e536d90 ("net/mlx5: HWS, added actions handling")
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1758525094-816583-3-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix a kernel trace [1] caused by releasing an HWS action of a local flow
counter in mlx5_cmd_hws_delete_fte(), where the HWS action refcount and
mutex were not initialized and the counter struct could already be freed
when deleting the rule.
Fix it by adding the missing initializations and adding refcount for the
local flow counter struct.
[1] Kernel log:
Call Trace:
<TASK>
dump_stack_lvl+0x34/0x48
mlx5_fs_put_hws_action.part.0.cold+0x21/0x94 [mlx5_core]
mlx5_fc_put_hws_action+0x96/0xad [mlx5_core]
mlx5_fs_destroy_fs_actions+0x8b/0x152 [mlx5_core]
mlx5_cmd_hws_delete_fte+0x5a/0xa0 [mlx5_core]
del_hw_fte+0x1ce/0x260 [mlx5_core]
mlx5_del_flow_rules+0x12d/0x240 [mlx5_core]
? ttwu_queue_wakelist+0xf4/0x110
mlx5_ib_destroy_flow+0x103/0x1b0 [mlx5_ib]
uverbs_free_flow+0x20/0x50 [ib_uverbs]
destroy_hw_idr_uobject+0x1b/0x50 [ib_uverbs]
uverbs_destroy_uobject+0x34/0x1a0 [ib_uverbs]
uobj_destroy+0x3c/0x80 [ib_uverbs]
ib_uverbs_run_method+0x23e/0x360 [ib_uverbs]
? uverbs_finalize_object+0x60/0x60 [ib_uverbs]
ib_uverbs_cmd_verbs+0x14f/0x2c0 [ib_uverbs]
? do_tty_write+0x1a9/0x270
? file_tty_write.constprop.0+0x98/0xc0
? new_sync_write+0xfc/0x190
ib_uverbs_ioctl+0xd7/0x160 [ib_uverbs]
__x64_sys_ioctl+0x87/0xc0
do_syscall_64+0x59/0x90
Fixes: b581f42669 ("net/mlx5: fs, manage flow counters HWS action sharing by refcount")
Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1758525094-816583-2-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Ido Schimmel says:
====================
nexthop: Various fixes
Patch #1 fixes a NPD that was recently reported by syzbot.
Patch #2 fixes an issue in the existing FIB nexthop selftest.
Patch #3 extends the selftest with test cases for the bug that was fixed
in the first patch.
====================
Link: https://patch.msgid.link/20250921150824.149157-1-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add the following test cases for both IPv4 and IPv6:
* Can change from FDB nexthop to non-FDB nexthop and vice versa.
* Can change FDB nexthop address while in a group.
* Cannot change from FDB nexthop to non-FDB nexthop and vice versa while
in a group.
Output without "nexthop: Forbid FDB status change while nexthop is in a
group":
# ./fib_nexthops.sh -t "ipv6_fdb_grp_fcnal ipv4_fdb_grp_fcnal"
IPv6 fdb groups functional
--------------------------
[...]
TEST: Replace FDB nexthop to non-FDB nexthop [ OK ]
TEST: Replace non-FDB nexthop to FDB nexthop [ OK ]
TEST: Replace FDB nexthop address while in a group [ OK ]
TEST: Replace FDB nexthop to non-FDB nexthop while in a group [FAIL]
TEST: Replace non-FDB nexthop to FDB nexthop while in a group [FAIL]
[...]
IPv4 fdb groups functional
--------------------------
[...]
TEST: Replace FDB nexthop to non-FDB nexthop [ OK ]
TEST: Replace non-FDB nexthop to FDB nexthop [ OK ]
TEST: Replace FDB nexthop address while in a group [ OK ]
TEST: Replace FDB nexthop to non-FDB nexthop while in a group [FAIL]
TEST: Replace non-FDB nexthop to FDB nexthop while in a group [FAIL]
[...]
Tests passed: 36
Tests failed: 4
Tests skipped: 0
Output with "nexthop: Forbid FDB status change while nexthop is in a
group":
# ./fib_nexthops.sh -t "ipv6_fdb_grp_fcnal ipv4_fdb_grp_fcnal"
IPv6 fdb groups functional
--------------------------
[...]
TEST: Replace FDB nexthop to non-FDB nexthop [ OK ]
TEST: Replace non-FDB nexthop to FDB nexthop [ OK ]
TEST: Replace FDB nexthop address while in a group [ OK ]
TEST: Replace FDB nexthop to non-FDB nexthop while in a group [ OK ]
TEST: Replace non-FDB nexthop to FDB nexthop while in a group [ OK ]
[...]
IPv4 fdb groups functional
--------------------------
[...]
TEST: Replace FDB nexthop to non-FDB nexthop [ OK ]
TEST: Replace non-FDB nexthop to FDB nexthop [ OK ]
TEST: Replace FDB nexthop address while in a group [ OK ]
TEST: Replace FDB nexthop to non-FDB nexthop while in a group [ OK ]
TEST: Replace non-FDB nexthop to FDB nexthop while in a group [ OK ]
[...]
Tests passed: 40
Tests failed: 0
Tests skipped: 0
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20250921150824.149157-4-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The test creates non-FDB nexthops without a nexthop device which leads
to the expected failure, but for the wrong reason:
# ./fib_nexthops.sh -t "ipv6_fdb_grp_fcnal ipv4_fdb_grp_fcnal" -v
IPv6 fdb groups functional
--------------------------
[...]
COMMAND: ip -netns me-nRsN3E nexthop add id 63 via 2001:db8:91::4
Error: Device attribute required for non-blackhole and non-fdb nexthops.
COMMAND: ip -netns me-nRsN3E nexthop add id 64 via 2001:db8:91::5
Error: Device attribute required for non-blackhole and non-fdb nexthops.
COMMAND: ip -netns me-nRsN3E nexthop add id 103 group 63/64 fdb
Error: Invalid nexthop id.
TEST: Fdb Nexthop group with non-fdb nexthops [ OK ]
[...]
IPv4 fdb groups functional
--------------------------
[...]
COMMAND: ip -netns me-nRsN3E nexthop add id 14 via 172.16.1.2
Error: Device attribute required for non-blackhole and non-fdb nexthops.
COMMAND: ip -netns me-nRsN3E nexthop add id 15 via 172.16.1.3
Error: Device attribute required for non-blackhole and non-fdb nexthops.
COMMAND: ip -netns me-nRsN3E nexthop add id 103 group 14/15 fdb
Error: Invalid nexthop id.
TEST: Fdb Nexthop group with non-fdb nexthops [ OK ]
COMMAND: ip -netns me-nRsN3E nexthop add id 16 via 172.16.1.2 fdb
COMMAND: ip -netns me-nRsN3E nexthop add id 17 via 172.16.1.3 fdb
COMMAND: ip -netns me-nRsN3E nexthop add id 104 group 14/15
Error: Invalid nexthop id.
TEST: Non-Fdb Nexthop group with fdb nexthops [ OK ]
[...]
COMMAND: ip -netns me-0dlhyd ro add 172.16.0.0/22 nhid 15
Error: Nexthop id does not exist.
TEST: Route add with fdb nexthop [ OK ]
In addition, as can be seen in the above output, a couple of IPv4 test
cases used the non-FDB nexthops (14 and 15) when they intended to use
the FDB nexthops (16 and 17). These test cases only passed because
failure was expected, but they failed for the wrong reason.
Fix the test to create the non-FDB nexthops with a nexthop device and
adjust the IPv4 test cases to use the FDB nexthops instead of the
non-FDB nexthops.
Output after the fix:
# ./fib_nexthops.sh -t "ipv6_fdb_grp_fcnal ipv4_fdb_grp_fcnal" -v
IPv6 fdb groups functional
--------------------------
[...]
COMMAND: ip -netns me-lNzfHP nexthop add id 63 via 2001:db8:91::4 dev veth1
COMMAND: ip -netns me-lNzfHP nexthop add id 64 via 2001:db8:91::5 dev veth1
COMMAND: ip -netns me-lNzfHP nexthop add id 103 group 63/64 fdb
Error: FDB nexthop group can only have fdb nexthops.
TEST: Fdb Nexthop group with non-fdb nexthops [ OK ]
[...]
IPv4 fdb groups functional
--------------------------
[...]
COMMAND: ip -netns me-lNzfHP nexthop add id 14 via 172.16.1.2 dev veth1
COMMAND: ip -netns me-lNzfHP nexthop add id 15 via 172.16.1.3 dev veth1
COMMAND: ip -netns me-lNzfHP nexthop add id 103 group 14/15 fdb
Error: FDB nexthop group can only have fdb nexthops.
TEST: Fdb Nexthop group with non-fdb nexthops [ OK ]
COMMAND: ip -netns me-lNzfHP nexthop add id 16 via 172.16.1.2 fdb
COMMAND: ip -netns me-lNzfHP nexthop add id 17 via 172.16.1.3 fdb
COMMAND: ip -netns me-lNzfHP nexthop add id 104 group 16/17
Error: Non FDB nexthop group cannot have fdb nexthops.
TEST: Non-Fdb Nexthop group with fdb nexthops [ OK ]
[...]
COMMAND: ip -netns me-lNzfHP ro add 172.16.0.0/22 nhid 16
Error: Route cannot point to a fdb nexthop.
TEST: Route add with fdb nexthop [ OK ]
[...]
Tests passed: 30
Tests failed: 0
Tests skipped: 0
Fixes: 0534c5489c ("selftests: net: add fdb nexthop tests")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20250921150824.149157-3-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The kernel forbids the creation of non-FDB nexthop groups with FDB
nexthops:
# ip nexthop add id 1 via 192.0.2.1 fdb
# ip nexthop add id 2 group 1
Error: Non FDB nexthop group cannot have fdb nexthops.
And vice versa:
# ip nexthop add id 3 via 192.0.2.2 dev dummy1
# ip nexthop add id 4 group 3 fdb
Error: FDB nexthop group can only have fdb nexthops.
However, as long as no routes are pointing to a non-FDB nexthop group,
the kernel allows changing the type of a nexthop from FDB to non-FDB and
vice versa:
# ip nexthop add id 5 via 192.0.2.2 dev dummy1
# ip nexthop add id 6 group 5
# ip nexthop replace id 5 via 192.0.2.2 fdb
# echo $?
0
This configuration is invalid and can result in a NPD [1] since FDB
nexthops are not associated with a nexthop device:
# ip route add 198.51.100.1/32 nhid 6
# ping 198.51.100.1
Fix by preventing nexthop FDB status change while the nexthop is in a
group:
# ip nexthop add id 7 via 192.0.2.2 dev dummy1
# ip nexthop add id 8 group 7
# ip nexthop replace id 7 via 192.0.2.2 fdb
Error: Cannot change nexthop FDB status while in a group.
[1]
BUG: kernel NULL pointer dereference, address: 00000000000003c0
[...]
Oops: Oops: 0000 [#1] SMP
CPU: 6 UID: 0 PID: 367 Comm: ping Not tainted 6.17.0-rc6-virtme-gb65678cacc03 #1 PREEMPT(voluntary)
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.17.0-4.fc41 04/01/2014
RIP: 0010:fib_lookup_good_nhc+0x1e/0x80
[...]
Call Trace:
<TASK>
fib_table_lookup+0x541/0x650
ip_route_output_key_hash_rcu+0x2ea/0x970
ip_route_output_key_hash+0x55/0x80
__ip4_datagram_connect+0x250/0x330
udp_connect+0x2b/0x60
__sys_connect+0x9c/0xd0
__x64_sys_connect+0x18/0x20
do_syscall_64+0xa4/0x2a0
entry_SYSCALL_64_after_hwframe+0x4b/0x53
Fixes: 38428d6871 ("nexthop: support for fdb ecmp nexthops")
Reported-by: syzbot+6596516dd2b635ba2350@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/netdev/68c9a4d2.050a0220.3c6139.0e63.GAE@google.com/
Tested-by: syzbot+6596516dd2b635ba2350@syzkaller.appspotmail.com
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20250921150824.149157-2-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently, alloc_skb_with_frags() will only fill (MAX_SKB_FRAGS - 1)
slots. I think it should use all MAX_SKB_FRAGS slots, as callers of
alloc_skb_with_frags() will size their allocation of frags based
on MAX_SKB_FRAGS.
This issue was discovered via a test patch that sets 'order' to 0
in alloc_skb_with_frags(), which effectively tests/simulates high
fragmentation. In this case sendmsg() on unix sockets will fail every
time for large allocations. If the PAGE_SIZE is 4K, then data_len will
request 68K or 17 pages, but alloc_skb_with_frags() can only allocate
64K in this case or 16 pages.
Fixes: 09c2c90705 ("net: allow alloc_skb_with_frags() to allocate bigger packets")
Signed-off-by: Jason Baron <jbaron@akamai.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250922191957.2855612-1-jbaron@akamai.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'linux-can-fixes-for-6.17-20250923' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2025-09-23
The 1st patch is by Chen Yufeng and fixes a potential NULL pointer
deref in the hi311x driver.
Duy Nguyen contributes a patch for the rcar_canfd driver to fix the
controller mode setting.
The next 4 patches are by Vincent Mailhol and populate the
ndo_change_mtu(( callback in the etas_es58x, hi311x, sun4i_can and
mcba_usb driver to prevent buffer overflows.
Stéphane Grosjean's patch for the peak_usb driver fixes a
shift-out-of-bounds issue.
* tag 'linux-can-fixes-for-6.17-20250923' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: peak_usb: fix shift-out-of-bounds issue
can: mcba_usb: populate ndo_change_mtu() to prevent buffer overflow
can: sun4i_can: populate ndo_change_mtu() to prevent buffer overflow
can: hi311x: populate ndo_change_mtu() to prevent buffer overflow
can: etas_es58x: populate ndo_change_mtu() to prevent buffer overflow
can: rcar_canfd: Fix controller mode setting
can: hi311x: fix null pointer dereference when resuming from sleep before interface was enabled
====================
Link: https://patch.msgid.link/20250923073427.493034-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This contains a simple patch to avoid a warning in the case where the
optional memory-region property is missing.
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Merge tag 'tegra-for-6.17-firmware-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/fixes
firmware: tegra: Fixes for v6.17
This contains a simple patch to avoid a warning in the case where the
optional memory-region property is missing.
* tag 'tegra-for-6.17-firmware-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
firmware: tegra: Do not warn on missing memory-region property
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'v6.17-rockchip-dtsfixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/fixes
Another missing supply and a wrong headphone gpio level.
* tag 'v6.17-rockchip-dtsfixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
arm64: dts: rockchip: Fix the headphone detection on the orangepi 5
arm64: dts: rockchip: Add vcc supply for SPI Flash on NanoPC-T6
Just a single commit that drops Alyssa from MAINTAINERS at her own wish
and adds here to .get_maintainer.ignore
Signed-off-by: Sven Peter <sven@kernel.org>
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Merge tag 'apple-soc-fixes-6.17' of https://git.kernel.org/pub/scm/linux/kernel/git/sven/linux into arm/fixes
Apple SoC fixes for 6.17
Just a single commit that drops Alyssa from MAINTAINERS at her own wish
and adds here to .get_maintainer.ignore
Signed-off-by: Sven Peter <sven@kernel.org>
* tag 'apple-soc-fixes-6.17' of https://git.kernel.org/pub/scm/linux/kernel/git/sven/linux:
MAINTAINERS: remove Alyssa Rosenzweig
Link: https://lore.kernel.org/r/20250918192241.29374-1-sven@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Previously BTRFS did not look at a device's reported max_open_zones limit,
but starting with commit 04147d8394 ("btrfs: zoned: limit active zones
to max_open_zones"), zoned BTRFS limited the number of concurrently used
block-groups to the number of max_open_zones a device reported, if it
hadn't already reported a number of max_active_zones.
Starting with commit 04147d8394 the number of open zones is treated the
same way as active zones. But this leads to mount failures on filesystems
which have been used before 04147d8394 because too many zones are in an
open state.
Ignore the new limitations on these filesystems, so zones can be finished
or evacuated.
Reported-by: Yuwei Han <hrx@bupt.moe>
Link: https://lore.kernel.org/all/2F48A90AF7DDF380+1790bcfd-cb6f-456b-870d-7982f21b5eae@bupt.moe/
Fixes: 04147d8394 ("btrfs: zoned: limit active zones to max_open_zones")
Reviewed-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
In bnxt_tc_parse_pedit(), the code incorrectly writes IPv6
destination values to the source address field (saddr) when
processing pedit offsets within the destination address range.
This patch corrects the assignment to use daddr instead of saddr,
ensuring that pedit operations on IPv6 destination addresses are
applied correctly.
Fixes: 9b9eb518e3 ("bnxt_en: Add support for NAT(L3/L4 rewrite)")
Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Link: https://patch.msgid.link/20250920121157.351921-1-alok.a.tiwari@oracle.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'ipsec-2025-09-22' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:
====================
pull request (net): ipsec 2025-09-22
1) Fix 0 assignment for SPIs. 0 is not a valid SPI,
it means no SPI assigned.
2) Fix offloading for inter address family tunnels.
* tag 'ipsec-2025-09-22' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec:
xfrm: fix offloading of cross-family tunnels
xfrm: xfrm_alloc_spi shouldn't use 0 as SPI
====================
Link: https://patch.msgid.link/20250922073512.62703-1-steffen.klassert@secunet.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Tony Nguyen says:
====================
i40e: virtchnl improvements
Przemek Kitszel says:
Improvements hardening PF-VF communication for i40e driver.
This patchset targets several issues that can cause undefined behavior
or be exploited in some other way.
* '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
i40e: improve VF MAC filters accounting
i40e: add mask to apply valid bits for itr_idx
i40e: add max boundary check for VF filters
i40e: fix validation of VF state in get resources
i40e: fix input validation logic for action_meta
i40e: fix idx validation in config queues msg
i40e: fix idx validation in i40e_validate_queue_map
i40e: add validation for ring_len param
====================
Link: https://patch.msgid.link/20250919184959.656681-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Jacob Keller says:
====================
broadcom: report the supported flags for ancillary features
James Clark reported off list that the broadcom PHY PTP driver was
incorrectly handling PTP_EXTTS_REQUEST and PTP_PEROUT_REQUEST ioctls since
the conversion to the .supported_*_flags fields. This series fixes the
driver to correctly report its flags through the .supported_perout_flags
and .supported_extts_flags fields. It also contains an update to comment
the behavior of the PTP_STRICT_FLAGS being always enabled for
PTP_EXTTS_REQUEST2.
I plan to follow up this series with some improvements to the PTP
documentation better explaining each flag and the expectation of the driver
APIs.
====================
Link: https://patch.msgid.link/20250918-jk-fix-bcm-phy-supported-flags-v1-0-747b60407c9c@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit 6138e687c7 ("ptp: Introduce strict checking of external time stamp
options.") added the PTP_STRICT_FLAGS to the set of flags supported for the
external timestamp request ioctl.
It is only supported by PTP_EXTTS_REQUEST2, as it was introduced the
introduction of the new ioctls. Further, the kernel has always set this
flag for PTP_EXTTS_REQUEST2 regardless of whether or not the user requested
the behavior.
This effectively means that the flag is not useful for userspace. If the
user issues a PTP_EXTTS_REQUEST ioctl, the flag is ignored due to not being
supported on the old ioctl. If the user issues a PTP_EXTTS_REQUEST2 ioctl,
the flag will be set by the kernel regardless of whether the user set the
flag in their structure.
Add a comment documenting this behavior in the uAPI header file.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Tested-by: James Clark <jjc@jclark.com>
Link: https://patch.msgid.link/20250918-jk-fix-bcm-phy-supported-flags-v1-3-747b60407c9c@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit 7c571ac57d ("net: ptp: introduce .supported_extts_flags to
ptp_clock_info") modified the PTP core kernel logic to validate the
supported flags for the PTP_EXTTS_REQUEST ioctls, rather than relying on
each individual driver correctly checking its flags.
The bcm_ptp_enable() function implements support for PTP_CLK_REQ_EXTTS, but
does not check the flags, and does not forward the request structure into
bcm_ptp_extts_locked().
When originally converting the bcm-phy-ptp.c code, it was unclear what
edges the hardware actually timestamped. Thus, no flags were initialized in
the .supported_extts_flags field. This results in the kernel automatically
rejecting all userspace requests for the PTP_EXTTS_REQUEST2 ioctl.
This occurs because the PTP_STRICT_FLAGS is always assumed when operating
under PTP_EXTTS_REQUEST2. This has been the case since the flags
introduction by commit 6138e687c7 ("ptp: Introduce strict checking of
external time stamp options.").
The bcm-phy-ptp.c logic never properly supported strict flag validation,
as it previously ignored all flags including both PTP_STRICT_FLAGS and the
PTP_FALLING_EDGE and PTP_RISING_EDGE flags.
Reports from users in the field prove that the hardware timestamps the
rising edge. Encode this in the .supported_extts_flags field. This
re-enables support for the PTP_EXTTS_REQUEST2 ioctl.
Reported-by: James Clark <jjc@jclark.com>
Fixes: 7c571ac57d ("net: ptp: introduce .supported_extts_flags to ptp_clock_info")
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Tested-by: James Clark <jjc@jclark.com>
Link: https://patch.msgid.link/20250918-jk-fix-bcm-phy-supported-flags-v1-2-747b60407c9c@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The bcm_ptp_perout_locked() function has support for handling
PTP_PEROUT_DUTY_CYCLE, but its not listed in the supported_perout_flags.
Attempts to use the duty cycle support will be rejected since commit
d9f3e9ecc4 ("net: ptp: introduce .supported_perout_flags to
ptp_clock_info"), as this flag accidentally missed while doing the
conversion.
Drop the unnecessary supported flags check from the bcm_ptp_perout_locked()
function and correctly set the supported_perout_flags. This fixes use of
the PTP_PEROUT_DUTY_CYCLE support for the broadcom driver.
Reported-by: James Clark <jjc@jclark.com>
Fixes: d9f3e9ecc4 ("net: ptp: introduce .supported_perout_flags to ptp_clock_info")
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Tested-by: James Clark <jjc@jclark.com>
Link: https://patch.msgid.link/20250918-jk-fix-bcm-phy-supported-flags-v1-1-747b60407c9c@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This contains a fix for sched_ext idle CPU selection that likely fixes
a substantial performance regression.
The scx_bpf_select_cpu_dfl/and() kfuncs were incorrectly detecting all
tasks as migration-disabled when called outside ops.select_cpu(), causing
them to always return -EBUSY instead of finding idle CPUs. The fix properly
distinguishes between genuinely migration-disabled tasks vs. the current
task whose migration is temporarily disabled by BPF execution.
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Merge tag 'sched_ext-for-6.17-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext
Pull sched_ext fix from jun Heo:
"This contains a fix for sched_ext idle CPU selection that likely fixes
a substantial performance regression.
The scx_bpf_select_cpu_dfl/and() kfuncs were incorrectly detecting all
tasks as migration-disabled when called outside ops.select_cpu(),
causing them to always return -EBUSY instead of finding idle CPUs.
The fix properly distinguishes between genuinely migration-disabled
tasks vs. the current task whose migration is temporarily disabled by
BPF execution"
* tag 'sched_ext-for-6.17-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext:
sched_ext: idle: Handle migration-disabled tasks in BPF code
Two user triggerable UAFs:
- Possible race UAF setting up mmaps
- Syzkaller found UAF when erroring an file descriptor creation ioctl due
to the fput() work queue.
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Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd fixes from Jason Gunthorpe:
"Fix two user triggerable use-after-free issues:
- Possible race UAF setting up mmaps
- Syzkaller found UAF when erroring an file descriptor creation ioctl
due to the fput() work queue"
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
iommufd/selftest: Update the fail_nth limit
iommufd: WARN if an object is aborted with an elevated refcount
iommufd: Fix race during abort for file descriptors
iommufd: Fix refcounting race during mmap
- Fix mlx5 devx event delivery to userspace for certain kinds of SRQs
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fix from Jason Gunthorpe:
"Just a one line change, was expecting more rc stuff, but it has been
quiet.
- Fix mlx5 devx event delivery to userspace for certain kinds of SRQs"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
IB/mlx5: Fix obj_type mismatch for SRQ event subscriptions
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Merge tag 'hid-for-linus-2025092201' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Jiri Kosina:
- work data memory corruption fix in amd_sfh (Basavaraj Natikar)
- fix for regression in cp2112 where setting a GPIO value would always
fail (Sébastien Szymanski)
- fix for regression in hid-lenovo causing driver to fail on non-ACPI
systems (Janne Grunau)
- a couple device ID additions and tiny device-specific quirks
* tag 'hid-for-linus-2025092201' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: amd_sfh: Add sync across amd sfh work functions
HID: asus: add support for missing PX series fn keys
HID: cp2112: fix setter callbacks return value
HID: lenovo: Use KEY_PERFORMANCE instead of ACPI's platform_profile
HID: intel-thc-hid: intel-quickspi: Add WCL Device IDs
HID: intel-thc-hid: intel-quicki2c: Add WCL Device IDs
