- fix corruption in h4_recv_buf() after cleanupCen Zhang (1):
- hci_sync: fix race in hci_cmd_sync_dequeue_once
- btmtksdio: Add pmctrl handling for BT closed state during reset
- Revert "Bluetooth: L2CAP: convert timeouts to secs_to_jiffies()"
- rfcomm: fix modem control handling
- btintel_pcie: Fix event packet loss issue
- ISO: Fix BIS connection dst_type handling
- HCI: Fix tracking of advertisement set/instance 0x00
- ISO: Fix another instance of dst_type handling
- hci_conn: Fix connection cleanup with BIG with 2 or more BIS
- hci_core: Fix tracking of periodic advertisement
- MGMT: fix crash in set_mesh_sync and set_mesh_complete
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Merge tag 'for-net-2025-10-24' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
Luiz Augusto von Dentz says:
====================
bluetooth pull request for net:
- fix corruption in h4_recv_buf() after cleanupCen Zhang (1):
- hci_sync: fix race in hci_cmd_sync_dequeue_once
- btmtksdio: Add pmctrl handling for BT closed state during reset
- Revert "Bluetooth: L2CAP: convert timeouts to secs_to_jiffies()"
- rfcomm: fix modem control handling
- btintel_pcie: Fix event packet loss issue
- ISO: Fix BIS connection dst_type handling
- HCI: Fix tracking of advertisement set/instance 0x00
- ISO: Fix another instance of dst_type handling
- hci_conn: Fix connection cleanup with BIG with 2 or more BIS
- hci_core: Fix tracking of periodic advertisement
- MGMT: fix crash in set_mesh_sync and set_mesh_complete
* tag 'for-net-2025-10-24' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth:
Bluetooth: rfcomm: fix modem control handling
Bluetooth: hci_core: Fix tracking of periodic advertisement
Bluetooth: hci_conn: Fix connection cleanup with BIG with 2 or more BIS
Bluetooth: fix corruption in h4_recv_buf() after cleanup
Bluetooth: btintel_pcie: Fix event packet loss issue
Bluetooth: ISO: Fix another instance of dst_type handling
Revert "Bluetooth: L2CAP: convert timeouts to secs_to_jiffies()"
Bluetooth: MGMT: fix crash in set_mesh_sync and set_mesh_complete
Bluetooth: HCI: Fix tracking of advertisement set/instance 0x00
Bluetooth: btmtksdio: Add pmctrl handling for BT closed state during reset
Bluetooth: ISO: Fix BIS connection dst_type handling
Bluetooth: hci_sync: fix race in hci_cmd_sync_dequeue_once
====================
Link: https://patch.msgid.link/20251024144033.355820-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The ynl_attr_put_str() function was not including the null terminator
in the attribute length calculation. This caused kernel to reject
CTRL_CMD_GETFAMILY requests with EINVAL:
"Attribute failed policy validation".
For a 4-character family name like "dpll":
- Sent: nla_len=8 (4 byte header + 4 byte string without null)
- Expected: nla_len=9 (4 byte header + 5 byte string with null)
The bug was introduced in commit 15d2540e0d ("tools: ynl: check for
overflow of constructed messages") when refactoring from stpcpy() to
strlen(). The original code correctly included the null terminator:
end = stpcpy(ynl_attr_data(attr), str);
attr->nla_len = NLA_HDRLEN + NLA_ALIGN(end -
(char *)ynl_attr_data(attr));
Since stpcpy() returns a pointer past the null terminator, the length
included it. The refactored version using strlen() omitted the +1.
The fix also removes NLA_ALIGN() from nla_len calculation, since
nla_len should contain actual attribute length, not aligned length.
Alignment is only for calculating next attribute position. This makes
the code consistent with ynl_attr_put().
CTRL_ATTR_FAMILY_NAME uses NLA_NUL_STRING policy which requires
null terminator. Kernel validates with memchr() and rejects if not
found.
Fixes: 15d2540e0d ("tools: ynl: check for overflow of constructed messages")
Signed-off-by: Petr Oros <poros@redhat.com>
Tested-by: Ivan Vecera <ivecera@redhat.com>
Reviewed-by: Ivan Vecera <ivecera@redhat.com>
Link: https://lore.kernel.org/20251018151737.365485-3-zahari.doychev@linux.com
Link: https://patch.msgid.link/20251024132438.351290-1-poros@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The RFCOMM driver confuses the local and remote modem control signals,
which specifically means that the reported DTR and RTS state will
instead reflect the remote end (i.e. DSR and CTS).
This issue dates back to the original driver (and a follow-on update)
merged in 2002, which resulted in a non-standard implementation of
TIOCMSET that allowed controlling also the TS07.10 IC and DV signals by
mapping them to the RI and DCD input flags, while TIOCMGET failed to
return the actual state of DTR and RTS.
Note that the bogus control of input signals in tiocmset() is just
dead code as those flags will have been masked out by the tty layer
since 2003.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Periodic advertising enabled flag cannot be tracked by the enabled
flag since advertising and periodic advertising each can be
enabled/disabled separately from one another causing the states to be
inconsistent when for example an advertising set is disabled its
enabled flag is set to false which is then used for periodic which has
not being disabled.
Fixes: eca0ae4aea ("Bluetooth: Add initial implementation of BIS connections")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This fixes bis_cleanup not considering connections in BT_OPEN state
before attempting to remove the BIG causing the following error:
btproxy[20110]: < HCI Command: LE Terminate Broadcast Isochronous Group (0x08|0x006a) plen 2
BIG Handle: 0x01
Reason: Connection Terminated By Local Host (0x16)
> HCI Event: Command Status (0x0f) plen 4
LE Terminate Broadcast Isochronous Group (0x08|0x006a) ncmd 1
Status: Unknown Advertising Identifier (0x42)
Fixes: fa224d0c09 ("Bluetooth: ISO: Reassociate a socket with an active BIS")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
A different structure is stored in drvdata for the drivers which used
that duplicate function, but h4_recv_buf() assumes drvdata is always an
hci_uart structure.
Consequently, alignment and padding are now randomly corrupted for
btmtkuart, btnxpuart, and bpa10x in h4_recv_buf(), causing erratic
breakage.
Fix this by making the hci_uart structure the explicit argument to
h4_recv_buf(). Every caller already has a reference to hci_uart, and
already obtains the hci_hdev reference through it, so this actually
eliminates a redundant pointer indirection for all existing callers.
Fixes: 93f06f8f0d ("Bluetooth: remove duplicate h4_recv_buf() in header")
Reported-by: Francesco Valla <francesco@valla.it>
Closes: https://lore.kernel.org/lkml/6837167.ZASKD2KPVS@fedora.fritz.box/
Signed-off-by: Calvin Owens <calvin@wbinvd.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
In the current btintel_pcie driver implementation, when an interrupt is
received, the driver checks for the alive cause before the TX/RX cause.
Handling the alive cause involves resetting the TX/RX queue indices.
This flow works correctly when the causes are mutually exclusive.
However, if both cause bits are set simultaneously, the alive cause
resets the queue indices, resulting in an event packet drop and a
command timeout. To fix this issue, the driver is modified to handle all
other causes before checking for the alive cause.
Test case:
Issue is seen with stress reboot scenario - 50x run
[20.337589] Bluetooth: hci0: Device revision is 0
[20.346750] Bluetooth: hci0: Secure boot is enabled
[20.346752] Bluetooth: hci0: OTP lock is disabled
[20.346752] Bluetooth: hci0: API lock is enabled
[20.346752] Bluetooth: hci0: Debug lock is disabled
[20.346753] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[20.346754] Bluetooth: hci0: Bootloader timestamp 2023.43 buildtype 1 build 11631
[20.359070] Bluetooth: hci0: Found device firmware: intel/ibt-00a0-00a1-iml.sfi
[20.371499] Bluetooth: hci0: Boot Address: 0xb02ff800
[20.385769] Bluetooth: hci0: Firmware Version: 166-34.25
[20.538257] Bluetooth: hci0: Waiting for firmware download to complete
[20.554424] Bluetooth: hci0: Firmware loaded in 178651 usecs
[21.081588] Bluetooth: hci0: Timeout (500 ms) on tx completion
[21.096541] Bluetooth: hci0: Failed to send frame (-62)
[21.110240] Bluetooth: hci0: sending frame failed (-62)
[21.138551] Bluetooth: hci0: Failed to send Intel Reset command
[21.170153] Bluetooth: hci0: Intel Soft Reset failed (-62)
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Sai Teja Aluvala <aluvala.sai.teja@intel.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Fixes: c2b636b3f7 ("Bluetooth: btintel_pcie: Add support for PCIe transport")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Socket dst_type cannot be directly assigned to hci_conn->type since
there domain is different which may lead to the wrong address type being
used.
Fixes: 6a5ad251b7 ("Bluetooth: ISO: Fix possible circular locking dependency")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This reverts commit c9d84da18d. It
replaces in L2CAP calls to msecs_to_jiffies() to secs_to_jiffies()
and updates the constants accordingly. But the constants are also
used in LCAP Configure Request and L2CAP Configure Response which
expect values in milliseconds.
This may prevent correct usage of L2CAP channel.
To fix it, keep those constants in milliseconds and so revert this
change.
Fixes: c9d84da18d ("Bluetooth: L2CAP: convert timeouts to secs_to_jiffies()")
Signed-off-by: Frédéric Danis <frederic.danis@collabora.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
There is a BUG: KASAN: stack-out-of-bounds in set_mesh_sync due to
memcpy from badly declared on-stack flexible array.
Another crash is in set_mesh_complete() due to double list_del via
mgmt_pending_valid + mgmt_pending_remove.
Use DEFINE_FLEX to declare the flexible array right, and don't memcpy
outside bounds.
As mgmt_pending_valid removes the cmd from list, use mgmt_pending_free,
and also report status on error.
Fixes: 302a1f674c ("Bluetooth: MGMT: Fix possible UAFs")
Signed-off-by: Pauli Virtanen <pav@iki.fi>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This fixes the state tracking of advertisement set/instance 0x00 which
is considered a legacy instance and is not tracked individually by
adv_instances list, previously it was assumed that hci_dev itself would
track it via HCI_LE_ADV but that is a global state not specifc to
instance 0x00, so to fix it a new flag is introduced that only tracks the
state of instance 0x00.
Fixes: 1488af7b8b ("Bluetooth: hci_sync: Fix hci_resume_advertising_sync")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This patch adds logic to handle power management control when the
Bluetooth function is closed during the SDIO reset sequence.
Specifically, if BT is closed before reset, the driver enables the
SDIO function and sets driver pmctrl. After reset, if BT remains
closed, the driver sets firmware pmctrl and disables the SDIO function.
These changes ensure proper power management and device state consistency
across the reset flow.
Fixes: 8fafe70225 ("Bluetooth: mt7921s: support bluetooth reset mechanism")
Signed-off-by: Chris Lu <chris.lu@mediatek.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Socket dst_type cannot be directly assigned to hci_conn->type since
there domain is different which may lead to the wrong address type being
used.
Fixes: 6a5ad251b7 ("Bluetooth: ISO: Fix possible circular locking dependency")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
hci_cmd_sync_dequeue_once() does lookup and then cancel
the entry under two separate lock sections. Meanwhile,
hci_cmd_sync_work() can also delete the same entry,
leading to double list_del() and "UAF".
Fix this by holding cmd_sync_work_lock across both
lookup and cancel, so that the entry cannot be removed
concurrently.
Fixes: 505ea2b295 ("Bluetooth: hci_sync: Add helper functions to manipulate cmd_sync queue")
Reported-by: Cen Zhang <zzzccc427@163.com>
Signed-off-by: Cen Zhang <zzzccc427@163.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
In virtio-net, we have not yet supported multi-buffer XDP packet in
zerocopy mode when there is a binding XDP program. However, in that
case, when receiving multi-buffer XDP packet, we skip the XDP program
and return XDP_PASS. As a result, the packet is passed to normal network
stack which is an incorrect behavior (e.g. a XDP program for packet
count is installed, multi-buffer XDP packet arrives and does go through
XDP program. As a result, the packet count does not increase but the
packet is still received from network stack).This commit instead returns
XDP_ABORTED in that case.
Fixes: 99c861b44e ("virtio_net: xsk: rx: support recv merge mode")
Cc: stable@vger.kernel.org
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Link: https://patch.msgid.link/20251022155630.49272-1-minhquangbui99@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The root cause of this issue are:
1. When probing the usbnet device, executing usbnet_link_change(dev, 0, 0);
put the kevent work in global workqueue. However, the kevent has not yet
been scheduled when the usbnet device is unregistered. Therefore, executing
free_netdev() results in the "free active object (kevent)" error reported
here.
2. Another factor is that when calling usbnet_disconnect()->unregister_netdev(),
if the usbnet device is up, ndo_stop() is executed to cancel the kevent.
However, because the device is not up, ndo_stop() is not executed.
The solution to this problem is to cancel the kevent before executing
free_netdev().
Fixes: a69e617e53 ("usbnet: Fix linkwatch use-after-free on disconnect")
Reported-by: Sam Sun <samsun1006219@gmail.com>
Closes: https://syzkaller.appspot.com/bug?extid=8bfd7bcc98f7300afb84
Signed-off-by: Lizhi Xu <lizhi.xu@windriver.com>
Link: https://patch.msgid.link/20251022024007.1831898-1-lizhi.xu@windriver.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- brcmfmac: long-standing crash when used w/o P2P
- iwlwifi: fix for a use-after-free bug
- mac80211: key tailroom accounting bug could leave
allocation overhead and cause a warning
- ath11k: add a missing platform,
fix key flag operations
- bcma: skip devices disabled in OF/DT
- various (potential) memory leaks
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Merge tag 'wireless-2025-10-23' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Johannes Berg says:
====================
First set of fixes:
- brcmfmac: long-standing crash when used w/o P2P
- iwlwifi: fix for a use-after-free bug
- mac80211: key tailroom accounting bug could leave
allocation overhead and cause a warning
- ath11k: add a missing platform,
fix key flag operations
- bcma: skip devices disabled in OF/DT
- various (potential) memory leaks
* tag 'wireless-2025-10-23' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: nl80211: call kfree without a NULL check
wifi: mac80211: fix key tailroom accounting leak
wifi: brcmfmac: fix crash while sending Action Frames in standalone AP Mode
MAINTAINERS: wcn36xx: Add linux-wireless list
bcma: don't register devices disabled in OF
wifi: mac80211: reset FILS discovery and unsol probe resp intervals
wifi: iwlwifi: fix potential use after free in iwl_mld_remove_link()
wifi: ath11k: avoid bit operation on key flags
wifi: ath12k: free skb during idr cleanup callback
wifi: ath11k: Add missing platform IDs for quirk table
wifi: ath10k: Fix memory leak on unsupported WMI command
====================
Link: https://patch.msgid.link/20251023180604.626946-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
really started testing.
Current release - new code bugs:
- eth: mlx5e:
- psp: avoid 'accel' NULL pointer dereference
- skip PPHCR register query for FEC histogram if not supported
Previous releases - regressions:
- bonding: update the slave array for broadcast mode
- rtnetlink: re-allow deleting FDB entries in user namespace
- eth: dpaa2: fix the pointer passed to PTR_ALIGN on Tx path
Previous releases - always broken:
- can: drop skb on xmit if device is in listen-only mode
- gro: clear skb_shinfo(skb)->hwtstamps in napi_reuse_skb()
- eth: mlx5e
- RX, fix generating skb from non-linear xdp_buff if program
trims frags
- make devcom init failures non-fatal, fix races with IPSec
Misc:
- some documentation formatting "fixes"
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from can. Slim pickings, I'm guessing people haven't
really started testing.
Current release - new code bugs:
- eth: mlx5e:
- psp: avoid 'accel' NULL pointer dereference
- skip PPHCR register query for FEC histogram if not supported
Previous releases - regressions:
- bonding: update the slave array for broadcast mode
- rtnetlink: re-allow deleting FDB entries in user namespace
- eth: dpaa2: fix the pointer passed to PTR_ALIGN on Tx path
Previous releases - always broken:
- can: drop skb on xmit if device is in listen-only mode
- gro: clear skb_shinfo(skb)->hwtstamps in napi_reuse_skb()
- eth: mlx5e
- RX, fix generating skb from non-linear xdp_buff if program
trims frags
- make devcom init failures non-fatal, fix races with IPSec
Misc:
- some documentation formatting 'fixes'"
* tag 'net-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (47 commits)
net/mlx5: Fix IPsec cleanup over MPV device
net/mlx5: Refactor devcom to return NULL on failure
net/mlx5e: Skip PPHCR register query if not supported by the device
net/mlx5: Add PPHCR to PCAM supported registers mask
virtio-net: zero unused hash fields
net: phy: micrel: always set shared->phydev for LAN8814
vsock: fix lock inversion in vsock_assign_transport()
ovpn: use datagram_poll_queue for socket readiness in TCP
espintcp: use datagram_poll_queue for socket readiness
net: datagram: introduce datagram_poll_queue for custom receive queues
net: bonding: fix possible peer notify event loss or dup issue
net: hsr: prevent creation of HSR device with slaves from another netns
sctp: avoid NULL dereference when chunk data buffer is missing
ptp: ocp: Fix typo using index 1 instead of i in SMA initialization loop
net: ravb: Ensure memory write completes before ringing TX doorbell
net: ravb: Enforce descriptor type ordering
net: hibmcge: select FIXED_PHY
net: dlink: use dev_kfree_skb_any instead of dev_kfree_skb
Documentation: networking: ax25: update the mailing list info.
net: gro_cells: fix lock imbalance in gro_cells_receive()
...
- Fix a recent coding mistake causing __acpi_node_get_property_reference()
arguments to be put in an incorrect order (Sunil V L)
- Work around bogus -Wstringop-overread warning on LoongArch since
GCC 11 in ACPICA (Xi Ruoyao)
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Merge tag 'acpi-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix a fallout of a recent ACPI properties management update and
work around a compiler bug in ACPICA:
- Fix a recent coding mistake causing __acpi_node_get_property_reference()
arguments to be put in an incorrect order (Sunil V L)
- Work around bogus -Wstringop-overread warning on LoongArch since
GCC 11 in ACPICA (Xi Ruoyao)"
* tag 'acpi-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPICA: Work around bogus -Wstringop-overread warning since GCC 11
ACPI: property: Fix argument order in __acpi_node_get_property_reference()
- Add missing _RET == 0 condition to recently introduced conditional
guard definitions for runtime PM (Rafael Wysocki)
- Revert a cpuidle menu governor change that introduced a serious
performance regression on Chromebooks with Intel Jasper Lake
processors (Rafael Wysocki)
- Fix an amd-pstate driver regression leading to EPP=0 after
hibernation (Mario Limonciello)
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Merge tag 'pm-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These revert a cpuidle menu governor commit leading to a performance
regression, fix an amd-pstate driver regression introduced recently,
and fix new conditional guard definitions for runtime PM.
- Add missing _RET == 0 condition to recently introduced conditional
guard definitions for runtime PM (Rafael Wysocki)
- Revert a cpuidle menu governor change that introduced a serious
performance regression on Chromebooks with Intel Jasper Lake
processors (Rafael Wysocki)
- Fix an amd-pstate driver regression leading to EPP=0 after
hibernation (Mario Limonciello)"
* tag 'pm-6.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: runtime: Fix conditional guard definitions
Revert "cpuidle: menu: Avoid discarding useful information"
cpufreq/amd-pstate: Fix a regression leading to EPP 0 after hibernate
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Merge tag 'for-6.18-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- in send, fix duplicated rmdir operations when using extrefs
(hardlinks), receive can fail with ENOENT
- fixup of error check when reading extent root in ref-verify and
damaged roots are allowed by mount option (found by smatch)
- fix freeing partially initialized fs info (found by syzkaller)
- fix use-after-free when printing ref_tracking status of delayed
inodes
* tag 'for-6.18-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: ref-verify: fix IS_ERR() vs NULL check in btrfs_build_ref_tree()
btrfs: fix delayed_node ref_tracker use after free
btrfs: send: fix duplicated rmdir operations when using extrefs
btrfs: directly free partially initialized fs_info in btrfs_check_leaked_roots()
Devcom device and component registration isn't always critical to the
functionality of the caller, hence the registration can fail and we can
continue working with an ERR_PTR value saved inside a variable.
In order to avoid that make sure all devcom failures return NULL.
Signed-off-by: Patrisious Haddad <phaddad@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1761136182-918470-4-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Check the PCAM supported registers mask before querying the PPHCR
register, as it is not supported in older devices.
Fixes: 44907e7c8f ("net/mlx5e: Add logic to read RS-FEC histogram bin ranges from PPHCR")
Signed-off-by: Alexei Lazar <alazar@nvidia.com>
Reviewed-by: Yael Chemla <ychemla@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1761136182-918470-3-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add the PPHCR bit to the port_access_reg_cap_mask field of PCAM
register to indicate that the device supports the PPHCR register
and the RS-FEC histogram feature.
Signed-off-by: Alexei Lazar <alazar@nvidia.com>
Reviewed-by: Yael Chemla <ychemla@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1761136182-918470-2-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When GSO tunnel is negotiated virtio_net_hdr_tnl_from_skb() tries to
initialize the tunnel metadata but forget to zero unused rxhash
fields. This may leak information to another side. Fixing this by
zeroing the unused hash fields.
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Fixes: a2fb4bc4e2 ("net: implement virtio helpers to handle UDP GSO tunneling")
Cc: <stable@vger.kernel.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Link: https://patch.msgid.link/20251022034421.70244-1-jasowang@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently, during the LAN8814 PTP probe shared->phydev is only set if PTP
clock gets actually set, otherwise the function will return before setting
it.
This is an issue as shared->phydev is unconditionally being used when IRQ
is being handled, especially in lan8814_gpio_process_cap and since it was
not set it will cause a NULL pointer exception and crash the kernel.
So, simply always set shared->phydev to avoid the NULL pointer exception.
Fixes: b3f1a08fcf ("net: phy: micrel: Add support for PTP_PF_EXTTS for lan8814")
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Tested-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Link: https://patch.msgid.link/20251021132034.983936-1-robert.marko@sartura.hr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Syzbot reported a potential lock inversion deadlock between
vsock_register_mutex and sk_lock-AF_VSOCK when vsock_linger() is called.
The issue was introduced by commit 687aa0c558 ("vsock: Fix
transport_* TOCTOU") which added vsock_register_mutex locking in
vsock_assign_transport() around the transport->release() call, that can
call vsock_linger(). vsock_assign_transport() can be called with sk_lock
held. vsock_linger() calls sk_wait_event() that temporarily releases and
re-acquires sk_lock. During this window, if another thread hold
vsock_register_mutex while trying to acquire sk_lock, a circular
dependency is created.
Fix this by releasing vsock_register_mutex before calling
transport->release() and vsock_deassign_transport(). This is safe
because we don't need to hold vsock_register_mutex while releasing the
old transport, and we ensure the new transport won't disappear by
obtaining a module reference first via try_module_get().
Reported-by: syzbot+10e35716f8e4929681fa@syzkaller.appspotmail.com
Tested-by: syzbot+10e35716f8e4929681fa@syzkaller.appspotmail.com
Fixes: 687aa0c558 ("vsock: Fix transport_* TOCTOU")
Cc: mhal@rbox.co
Cc: stable@vger.kernel.org
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://patch.msgid.link/20251021121718.137668-1-sgarzare@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Ralf Lici says:
====================
fix poll behaviour for TCP-based tunnel protocols
This patch series introduces a polling function for datagram-style
sockets that operates on custom skb queues, and updates ovpn (the
OpenVPN data-channel offload module) and espintcp (the TCP Encapsulation
of IKE and IPsec Packets implementation) to use it accordingly.
Protocols like the aforementioned one decapsulate packets received over
TCP and deliver userspace-bound data through a separate skb queue, not
the standard sk_receive_queue. Previously, both relied on
datagram_poll(), which would signal readiness based on non-userspace
packets, leading to misleading poll results and unnecessary recv
attempts in userspace.
Patch 1 introduces datagram_poll_queue(), a variant of datagram_poll()
that accepts an explicit receive queue. This builds on the approach
introduced in commit b50b058, which extended other skb-related functions
to support custom queues. Patch 2 and 3 update espintcp_poll() and
ovpn_tcp_poll() respectively to use this helper, ensuring readiness is
only signaled when userspace data is available.
Each patch is self-contained and the ovpn one includes rationale and
lifecycle enforcement where appropriate.
====================
Link: https://patch.msgid.link/20251021100942.195010-1-ralf@mandelbit.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
openvpn TCP encapsulation uses a custom queue to deliver packets to
userspace. Currently it relies on datagram_poll, which checks
sk_receive_queue, leading to false readiness signals when that queue
contains non-userspace packets.
Switch ovpn_tcp_poll to use datagram_poll_queue with the peer's
user_queue, ensuring poll only signals readiness when userspace data is
actually available. Also refactor ovpn_tcp_poll in order to enforce the
assumption we can make on the lifetime of ovpn_sock and peer.
Fixes: 11851cbd60 ("ovpn: implement TCP transport")
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
Signed-off-by: Ralf Lici <ralf@mandelbit.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Link: https://patch.msgid.link/20251021100942.195010-4-ralf@mandelbit.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
espintcp uses a custom queue (ike_queue) to deliver packets to
userspace. The polling logic relies on datagram_poll, which checks
sk_receive_queue, which can lead to false readiness signals when that
queue contains non-userspace packets.
Switch espintcp_poll to use datagram_poll_queue with ike_queue, ensuring
poll only signals readiness when userspace data is actually available.
Fixes: e27cca96cd ("xfrm: add espintcp (RFC 8229)")
Signed-off-by: Ralf Lici <ralf@mandelbit.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Link: https://patch.msgid.link/20251021100942.195010-3-ralf@mandelbit.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Some protocols using TCP encapsulation (e.g., espintcp, openvpn) deliver
userspace-bound packets through a custom skb queue rather than the
standard sk_receive_queue.
Introduce datagram_poll_queue that accepts an explicit receive queue,
and convert datagram_poll into a wrapper around datagram_poll_queue.
This allows protocols with custom skb queues to reuse the core polling
logic without relying on sk_receive_queue.
Cc: Sabrina Dubroca <sd@queasysnail.net>
Cc: Antonio Quartulli <antonio@openvpn.net>
Signed-off-by: Ralf Lici <ralf@mandelbit.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Antonio Quartulli <antonio@openvpn.net>
Link: https://patch.msgid.link/20251021100942.195010-2-ralf@mandelbit.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Merge an ACPI device properties handling change fixing the order of
__acpi_node_get_property_reference() arguments broken by a recent
update (Sunil V L)
* 'acpi-property':
ACPI: property: Fix argument order in __acpi_node_get_property_reference()
Merge cpuidle and cpufreq fixes for 6.18-rc3:
- Revert a cpuidle menu governor change that introduced a serious
performance regression on Chromebooks with Intel Jasper Lake
processors (Rafael Wysocki)
- Fix an amd-pstate driver regression leading to EPP=0 after
hibernation (Mario Limonciello)
* pm-cpuidle:
Revert "cpuidle: menu: Avoid discarding useful information"
* pm-cpufreq:
cpufreq/amd-pstate: Fix a regression leading to EPP 0 after hibernate
If the send_peer_notif counter and the peer event notify are not synchronized.
It may cause problems such as the loss or dup of peer notify event.
Before this patch:
- If should_notify_peers is true and the lock for send_peer_notif-- fails, peer
event may be sent again in next mii_monitor loop, because should_notify_peers
is still true.
- If should_notify_peers is true and the lock for send_peer_notif-- succeeded,
but the lock for peer event fails, the peer event will be lost.
This patch locks the RTNL for send_peer_notif, events, and commit simultaneously.
Fixes: 07a4ddec3c ("bonding: add an option to specify a delay between peer notifications")
Cc: Jay Vosburgh <jv@jvosburgh.net>
Cc: Andrew Lunn <andrew+netdev@lunn.ch>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Hangbin Liu <liuhangbin@gmail.com>
Cc: Nikolay Aleksandrov <razor@blackwall.org>
Cc: Vincent Bernat <vincent@bernat.ch>
Cc: <stable@vger.kernel.org>
Signed-off-by: Tonghao Zhang <tonghao@bamaicloud.com>
Acked-by: Jay Vosburgh <jv@jvosburgh.net>
Link: https://patch.msgid.link/20251021050933.46412-1-tonghao@bamaicloud.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
HSR/PRP driver does not handle correctly having slaves/interlink devices
in a different net namespace. Currently, it is possible to create a HSR
link in a different net namespace than the slaves/interlink with the
following command:
ip link add hsr0 netns hsr-ns type hsr slave1 eth1 slave2 eth2
As there is no use-case on supporting this scenario, enforce that HSR
device link matches netns defined by IFLA_LINK_NETNSID.
The iproute2 command mentioned above will throw the following error:
Error: hsr: HSR slaves/interlink must be on the same net namespace than HSR link.
Fixes: f421436a59 ("net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0)")
Signed-off-by: Fernando Fernandez Mancera <fmancera@suse.de>
Link: https://patch.msgid.link/20251020135533.9373-1-fmancera@suse.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
chunk->skb pointer is dereferenced in the if-block where it's supposed
to be NULL only.
chunk->skb can only be NULL if chunk->head_skb is not. Check for frag_list
instead and do it just before replacing chunk->skb. We're sure that
otherwise chunk->skb is non-NULL because of outer if() condition.
Fixes: 90017accff ("sctp: Add GSO support")
Signed-off-by: Alexey Simakov <bigalex934@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Link: https://patch.msgid.link/20251021130034.6333-1-bigalex934@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In ptp_ocp_sma_fb_init(), the code mistakenly used bp->sma[1]
instead of bp->sma[i] inside a for-loop, which caused only SMA[1]
to have its DIRECTION_CAN_CHANGE capability cleared. This led to
inconsistent capability flags across SMA pins.
Fixes: 09eeb3aecc ("ptp_ocp: implement DPLL ops")
Signed-off-by: Jiasheng Jiang <jiashengjiangcool@gmail.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20251021182456.9729-1-jiashengjiangcool@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Lad Prabhakar says:
====================
net: ravb: Fix SoC-specific configuration and descriptor handling issues [part]
This series addresses several issues in the Renesas Ethernet AVB (ravb)
driver related descriptor ordering.
A potential ordering hazard in descriptor setup could cause
the DMA engine to start prematurely, leading to TX stalls on some
platforms.
The series includes the following changes:
Enforce descriptor type ordering to prevent early DMA start
Ensure proper write ordering of TX descriptor type fields to prevent the
DMA engine from observing an incomplete descriptor chain. This fixes
observed TX stalls on RZ/G2L platforms running RT kernels.
Tested on R/G1x Gen2, RZ/G2x Gen3 and RZ/G2L family hardware.
====================
Link: https://patch.msgid.link/20251017151830.171062-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a final dma_wmb() barrier before triggering the transmit request
(TCCR_TSRQ) to ensure all descriptor and buffer writes are visible to
the DMA engine.
According to the hardware manual, a read-back operation is required
before writing to the doorbell register to guarantee completion of
previous writes. Instead of performing a dummy read, a dma_wmb() is
used to both enforce the same ordering semantics on the CPU side and
also to ensure completion of writes.
Fixes: c156633f13 ("Renesas Ethernet AVB driver proper")
Cc: stable@vger.kernel.org
Co-developed-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://patch.msgid.link/20251017151830.171062-5-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Ensure the TX descriptor type fields are published in a safe order so the
DMA engine never begins processing a descriptor chain before all descriptor
fields are fully initialised.
For multi-descriptor transmits the driver writes DT_FEND into the last
descriptor and DT_FSTART into the first. The DMA engine begins processing
when it observes DT_FSTART. Move the dma_wmb() barrier so it executes
immediately after DT_FEND and immediately before writing DT_FSTART
(and before DT_FSINGLE in the single-descriptor case). This guarantees
that all prior CPU writes to the descriptor memory are visible to the
device before DT_FSTART is seen.
This avoids a situation where compiler/CPU reordering could publish
DT_FSTART ahead of DT_FEND or other descriptor fields, allowing the DMA to
start on a partially initialised chain and causing corrupted transmissions
or TX timeouts. Such a failure was observed on RZ/G2L with an RT kernel as
transmit queue timeouts and device resets.
Fixes: 2f45d1902a ("ravb: minimize TX data copying")
Cc: stable@vger.kernel.org
Co-developed-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://patch.msgid.link/20251017151830.171062-4-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
All driver fixes. The big change is the storvsc one to rejig the
hyper-v channel handling to be more efficient for SMP virtual
machines.
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"All driver fixes. The big change is the storvsc one to rejig the
hyper-v channel handling to be more efficient for SMP virtual
machines"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: phy: dt-bindings: Add QMP UFS PHY compatible for Kaanapali
scsi: ufs: qcom: dt-bindings: Document the Kaanapali UFS controller
scsi: libfc: Prevent integer overflow in fc_fcp_recv_data()
scsi: qla4xxx: Fix typos in comments
scsi: storvsc: Prefer returning channel with the same CPU as on the I/O issuing CPU
There's a two-patch DAMON series from SeongJae Park which addresses a
missed check and possible memory leak. Apart from that it's all
singletons - please see the changelogs for details.
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Merge tag 'mm-hotfixes-stable-2025-10-22-12-43' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull hotfixes from Andrew Morton:
"17 hotfixes. 12 are cc:stable and 14 are for MM.
There's a two-patch DAMON series from SeongJae Park which addresses a
missed check and possible memory leak. Apart from that it's all
singletons - please see the changelogs for details"
* tag 'mm-hotfixes-stable-2025-10-22-12-43' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
csky: abiv2: adapt to new folio flags field
mm/damon/core: use damos_commit_quota_goal() for new goal commit
mm/damon/core: fix potential memory leak by cleaning ops_filter in damon_destroy_scheme
hugetlbfs: move lock assertions after early returns in huge_pmd_unshare()
vmw_balloon: indicate success when effectively deflating during migration
mm/damon/core: fix list_add_tail() call on damon_call()
mm/mremap: correctly account old mapping after MREMAP_DONTUNMAP remap
mm: prevent poison consumption when splitting THP
ocfs2: clear extent cache after moving/defragmenting extents
mm: don't spin in add_stack_record when gfp flags don't allow
dma-debug: don't report false positives with DMA_BOUNCE_UNALIGNED_KMALLOC
mm/damon/sysfs: dealloc commit test ctx always
mm/damon/sysfs: catch commit test ctx alloc failure
hung_task: fix warnings caused by unaligned lock pointers
Fixes and New HW Support
- alienware-wmi-wmax:
- Fix NULL pointer dereference in sleep handlers
- Add AWCC support to Dell G15 5530
- mellanox: mlxbf-pmc: add sysfs_attr_init() to count_clock init
The following is an automated shortlog grouped by driver:
alienware-wmi-wmax:
- Add AWCC support to Dell G15 5530
- Fix NULL pointer dereference in sleep handlers
MAINTAINERS:
- add Denis Benato as maintainer for asus notebooks
mlxbf-pmc:
- add sysfs_attr_init() to count_clock init
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Merge tag 'platform-drivers-x86-v6.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Ilpo Järvinen:
- alienware-wmi-wmax:
- Fix NULL pointer dereference in sleep handlers
- Add AWCC support to Dell G15 5530
- mellanox: mlxbf-pmc: add sysfs_attr_init() to count_clock init
* tag 'platform-drivers-x86-v6.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: alienware-wmi-wmax: Add AWCC support to Dell G15 5530
MAINTAINERS: add Denis Benato as maintainer for asus notebooks
platform/mellanox: mlxbf-pmc: add sysfs_attr_init() to count_clock init
platform/x86: alienware-wmi-wmax: Fix NULL pointer dereference in sleep handlers
This reverts the problematic commit instead of trying to fix it in a
rush
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Merge tag '9p-for-6.18-rc3-v2' of https://github.com/martinetd/linux
Pull 9pfs fix from Dominique Martinet:
"Fix 9p cache=mmap regression by revert
This reverts the problematic commit instead of trying to fix it in a
rush"
* tag '9p-for-6.18-rc3-v2' of https://github.com/martinetd/linux:
Revert "fs/9p: Refresh metadata in d_revalidate for uncached mode too"
Since pm_runtime_get_active() returns 0 on success, all of the
DEFINE_GUARD_COND() macros in pm_runtime.h need the "_RET == 0"
condition at the end of the argument list or they would not work
correctly.
Fixes: 9a0abc3945 ("PM: runtime: Add auto-cleanup macros for "resume and get" operations")
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/linux-pm/202510191529.BCyjKlLQ-lkp@intel.com/
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Tested-by: Farhan Ali <alifm@linux.ibm.com>
Link: https://patch.msgid.link/5943878.DvuYhMxLoT@rafael.j.wysocki
