Close a socket with dump in progress. We need a dump which generates
enough info not to fit into a single skb. Policy dump fits the bill.
Use the trick discovered by syzbot for keeping a ref on the socket
longer than just close, with mqueue.
TAP version 13
1..3
# Starting 3 tests from 1 test cases.
# RUN global.test_sanity ...
# OK global.test_sanity
ok 1 global.test_sanity
# RUN global.close_in_progress ...
# OK global.close_in_progress
ok 2 global.close_in_progress
# RUN global.close_with_ref ...
# OK global.close_with_ref
ok 3 global.close_with_ref
# PASSED: 3 / 3 tests passed.
# Totals: pass:3 fail:0 xfail:0 xpass:0 skip:0 error:0
Note that this test is not expected to fail but rather crash
the kernel if we get the cleanup wrong.
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20241106015235.2458807-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Netlink supports iterative dumping of data. It provides the families
the following ops:
- start - (optional) kicks off the dumping process
- dump - actual dump helper, keeps getting called until it returns 0
- done - (optional) pairs with .start, can be used for cleanup
The whole process is asynchronous and the repeated calls to .dump
don't actually happen in a tight loop, but rather are triggered
in response to recvmsg() on the socket.
This gives the user full control over the dump, but also means that
the user can close the socket without getting to the end of the dump.
To make sure .start is always paired with .done we check if there
is an ongoing dump before freeing the socket, and if so call .done.
The complication is that sockets can get freed from BH and .done
is allowed to sleep. So we use a workqueue to defer the call, when
needed.
Unfortunately this does not work correctly. What we defer is not
the cleanup but rather releasing a reference on the socket.
We have no guarantee that we own the last reference, if someone
else holds the socket they may release it in BH and we're back
to square one.
The whole dance, however, appears to be unnecessary. Only the user
can interact with dumps, so we can clean up when socket is closed.
And close always happens in process context. Some async code may
still access the socket after close, queue notification skbs to it etc.
but no dumps can start, end or otherwise make progress.
Delete the workqueue and flush the dump state directly from the release
handler. Note that further cleanup is possible in -next, for instance
we now always call .done before releasing the main module reference,
so dump doesn't have to take a reference of its own.
Reported-by: syzkaller <syzkaller@googlegroups.com>
Fixes: ed5d7788a9 ("netlink: Do not schedule work from sk_destruct")
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20241106015235.2458807-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Things are slowing down quite a bit, mostly driver fixes here.
No known ongoing investigations.
Current release - new code bugs:
- eth: ti: am65-cpsw:
- fix multi queue Rx on J7
- fix warning in am65_cpsw_nuss_remove_rx_chns()
Previous releases - regressions:
- mptcp: do not require admin perm to list endpoints, got missed
in a refactoring
- mptcp: use sock_kfree_s instead of kfree
Previous releases - always broken:
- sctp: properly validate chunk size in sctp_sf_ootb() fix OOB access
- virtio_net: make RSS interact properly with queue number
- can: mcp251xfd: mcp251xfd_get_tef_len(): fix length calculation
- can: mcp251xfd: mcp251xfd_ring_alloc(): fix coalescing configuration
when switching CAN modes
Misc:
- revert earlier hns3 fixes, they were ignoring IOMMU abstractions
and need to be reworked
- can: {cc770,sja1000}_isa: allow building on x86_64
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from can and netfilter.
Things are slowing down quite a bit, mostly driver fixes here. No
known ongoing investigations.
Current release - new code bugs:
- eth: ti: am65-cpsw:
- fix multi queue Rx on J7
- fix warning in am65_cpsw_nuss_remove_rx_chns()
Previous releases - regressions:
- mptcp: do not require admin perm to list endpoints, got missed in a
refactoring
- mptcp: use sock_kfree_s instead of kfree
Previous releases - always broken:
- sctp: properly validate chunk size in sctp_sf_ootb() fix OOB access
- virtio_net: make RSS interact properly with queue number
- can: mcp251xfd: mcp251xfd_get_tef_len(): fix length calculation
- can: mcp251xfd: mcp251xfd_ring_alloc(): fix coalescing
configuration when switching CAN modes
Misc:
- revert earlier hns3 fixes, they were ignoring IOMMU abstractions
and need to be reworked
- can: {cc770,sja1000}_isa: allow building on x86_64"
* tag 'net-6.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (42 commits)
drivers: net: ionic: add missed debugfs cleanup to ionic_probe() error path
net/smc: do not leave a dangling sk pointer in __smc_create()
rxrpc: Fix missing locking causing hanging calls
net/smc: Fix lookup of netdev by using ib_device_get_netdev()
net: arc: rockchip: fix emac mdio node support
net: arc: fix the device for dma_map_single/dma_unmap_single
virtio_net: Update rss when set queue
virtio_net: Sync rss config to device when virtnet_probe
virtio_net: Add hash_key_length check
virtio_net: Support dynamic rss indirection table size
netfilter: nf_tables: wait for rcu grace period on net_device removal
net: stmmac: Fix unbalanced IRQ wake disable warning on single irq case
net: vertexcom: mse102x: Fix possible double free of TX skb
mptcp: use sock_kfree_s instead of kfree
mptcp: no admin perm to list endpoints
net: phy: ti: add PHY_RST_AFTER_CLK_EN flag
net: ethernet: ti: am65-cpsw: fix warning in am65_cpsw_nuss_remove_rx_chns()
net: ethernet: ti: am65-cpsw: Fix multi queue Rx on J7
net: hns3: fix kernel crash when uninstalling driver
Revert "Merge branch 'there-are-some-bugfix-for-the-hns3-ethernet-driver'"
...
The ionic_setup_one() creates a debugfs entry for ionic upon
successful execution. However, the ionic_probe() does not
release the dentry before returning, resulting in a memory
leak.
To fix this bug, we add the ionic_debugfs_del_dev() to release
the resources in a timely manner before returning.
Fixes: 0de38d9f1d ("ionic: extract common bits from ionic_probe")
Signed-off-by: Wentao Liang <Wentao_liang_g@163.com>
Acked-by: Shannon Nelson <shannon.nelson@amd.com>
Link: https://patch.msgid.link/20241107021756.1677-1-liangwentao@iscas.ac.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If a call gets aborted (e.g. because kafs saw a signal) between it being
queued for connection and the I/O thread picking up the call, the abort
will be prioritised over the connection and it will be removed from
local->new_client_calls by rxrpc_disconnect_client_call() without a lock
being held. This may cause other calls on the list to disappear if a race
occurs.
Fix this by taking the client_call_lock when removing a call from whatever
list its ->wait_link happens to be on.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-afs@lists.infradead.org
Reported-by: Marc Dionne <marc.dionne@auristor.com>
Fixes: 9d35d880e0 ("rxrpc: Move client call connection to the I/O thread")
Link: https://patch.msgid.link/726660.1730898202@warthog.procyon.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The SMC-R variant of the SMC protocol used direct call to function
ib_device_ops.get_netdev() to lookup netdev. As we used mlx5 device
driver to run SMC-R, it failed to find a device, because in mlx5_ib the
internal net device management for retrieving net devices was replaced
by a common interface ib_device_get_netdev() in commit 8d159eb211
("RDMA/mlx5: Use IB set_netdev and get_netdev functions").
Since such direct accesses to the internal net device management is not
recommended at all, update the SMC-R code to use proper API
ib_device_get_netdev().
Fixes: 54903572c2 ("net/smc: allow pnetid-less configuration")
Reported-by: Aswin K <aswin@linux.ibm.com>
Reviewed-by: Gerd Bayer <gbayer@linux.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Dust Li <dust.li@linux.alibaba.com>
Reviewed-by: Wen Gu <guwen@linux.alibaba.com>
Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Reviewed-by: D. Wythe <alibuda@linux.alibaba.com>
Signed-off-by: Wenjia Zhang <wenjia@linux.ibm.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://patch.msgid.link/20241106082612.57803-1-wenjia@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Erik Schumacher found and fixed a problem in the calculation of the PWM
period setting yielding too long periods. Trevor Gamblin---who already
cared about mainlining the pwm-axi-pwmgen driver---stepped forward as an
additional reviewer.
Thanks to Erik and Trevor.
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Merge tag 'pwm/for-6.12-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
Pull pwm fix from Uwe Kleine-König:
"Fix period setting in imx-tpm driver and a maintainer update
Erik Schumacher found and fixed a problem in the calculation of the
PWM period setting yielding too long periods. Trevor Gamblin - who
already cared about mainlining the pwm-axi-pwmgen driver - stepped
forward as an additional reviewer.
Thanks to Erik and Trevor"
* tag 'pwm/for-6.12-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux:
MAINTAINERS: add self as reviewer for AXI PWM GENERATOR
pwm: imx-tpm: Use correct MODULO value for EPWM mode
seq_printf is costy, on a system with n CPUs, reading /proc/softirqs
would yield 10*n decimal values, and the extra cost parsing format string
grows linearly with number of cpus. Replace seq_printf with
seq_put_decimal_ull_width have significant performance improvement.
On an 8CPUs system, reading /proc/softirqs show ~40% performance
gain with this patch.
Signed-off-by: David Wang <00107082@163.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'nf-24-11-07' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fix for net
The following series contains a Netfilter fix:
1) Wait for rcu grace period after netdevice removal is reported via event.
* tag 'nf-24-11-07' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nf_tables: wait for rcu grace period on net_device removal
====================
Link: https://patch.msgid.link/20241107113212.116634-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Andy Yan says:
====================
Fix the arc emac driver
The arc emac driver was broken for a long time,
The first broken happens when a dma releated fix introduced in Linux 5.10.
The second broken happens when a emac device tree node restyle introduced
in Linux 6.1.
These two patches are try to make the arc emac work again.
Changes in v2:
- Add cover letter.
- Add fix tag.
- Add more detail explaination.
====================
Link: https://patch.msgid.link/20241104130147.440125-1-andyshrk@163.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The binding emac_rockchip.txt is converted to YAML.
Changed against the original binding is an added MDIO subnode.
This make the driver failed to find the PHY, and given the 'mdio
has invalid PHY address' it is probably looking in the wrong node.
Fix emac_mdio.c so that it can handle both old and new
device trees.
Fixes: 1dabb74971 ("ARM: dts: rockchip: restyle emac nodes")
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Tested-by: Andy Yan <andyshrk@163.com>
Link: https://lore.kernel.org/r/20220603163539.537-3-jbx6244@gmail.com
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The ndev->dev and pdev->dev aren't the same device, use ndev->dev.parent
which has dma_mask, ndev->dev.parent is just pdev->dev.
Or it would cause the following issue:
[ 39.933526] ------------[ cut here ]------------
[ 39.938414] WARNING: CPU: 1 PID: 501 at kernel/dma/mapping.c:149 dma_map_page_attrs+0x90/0x1f8
Fixes: f959dcd6dd ("dma-direct: Fix potential NULL pointer dereference")
Signed-off-by: David Wu <david.wu@rock-chips.com>
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Philo Lu says:
====================
virtio_net: Make RSS interact properly with queue number
With this patch set, RSS updates with queue_pairs changing:
- When virtnet_probe, init default rss and commit
- When queue_pairs changes _without_ user rss configuration, update rss
with the new queue number
- When queue_pairs changes _with_ user rss configuration, keep rss as user
configured
Patch 1 and 2 fix possible out of bound errors for indir_table and key.
Patch 3 and 4 add RSS update in probe() and set_queues().
====================
Link: https://patch.msgid.link/20241104085706.13872-1-lulie@linux.alibaba.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
RSS configuration should be updated with queue number. In particular, it
should be updated when (1) rss enabled and (2) default rss configuration
is used without user modification.
During rss command processing, device updates queue_pairs using
rss.max_tx_vq. That is, the device updates queue_pairs together with
rss, so we can skip the sperate queue_pairs update
(VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET below) and return directly.
Also remove the `vi->has_rss ?` check when setting vi->rss.max_tx_vq,
because this is not used in the other hash_report case.
Fixes: c7114b1249 ("drivers/net/virtio_net: Added basic RSS support.")
Signed-off-by: Philo Lu <lulie@linux.alibaba.com>
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
During virtnet_probe, default rss configuration is initialized, but was
not committed to the device. This patch fix this by sending rss command
after device ready in virtnet_probe. Otherwise, the actual rss
configuration used by device can be different with that read by user
from driver, which may confuse the user.
If the command committing fails, driver rss will be disabled.
Fixes: c7114b1249 ("drivers/net/virtio_net: Added basic RSS support.")
Signed-off-by: Philo Lu <lulie@linux.alibaba.com>
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Joe Damato <jdamato@fastly.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Add hash_key_length check in virtnet_probe() to avoid possible out of
bound errors when setting/reading the hash key.
Fixes: c7114b1249 ("drivers/net/virtio_net: Added basic RSS support.")
Signed-off-by: Philo Lu <lulie@linux.alibaba.com>
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Joe Damato <jdamato@fastly.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
When reading/writing virtio_net_ctrl_rss, we get the indirection table
size from vi->rss_indir_table_size, which is initialized in
virtnet_probe(). However, the actual size of indirection_table was set
as VIRTIO_NET_RSS_MAX_TABLE_LEN=128. This collision may cause issues if
the vi->rss_indir_table_size exceeds 128.
This patch instead uses dynamic indirection table, allocated with
vi->rss after vi->rss_indir_table_size initialized. And free it in
virtnet_remove().
In virtnet_commit_rss_command(), sgs for rss is initialized differently
with hash_report. So indirection_table is not used if !vi->has_rss, and
then we don't need to alloc indirection_table for hash_report only uses.
Fixes: c7114b1249 ("drivers/net/virtio_net: Added basic RSS support.")
Signed-off-by: Philo Lu <lulie@linux.alibaba.com>
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Joe Damato <jdamato@fastly.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
8c873e2199 ("netfilter: core: free hooks with call_rcu") removed
synchronize_net() call when unregistering basechain hook, however,
net_device removal event handler for the NFPROTO_NETDEV was not updated
to wait for RCU grace period.
Note that 835b803377 ("netfilter: nf_tables_netdev: unregister hooks
on net_device removal") does not remove basechain rules on device
removal, I was hinted to remove rules on net_device removal later, see
5ebe0b0eec ("netfilter: nf_tables: destroy basechain and rules on
netdevice removal").
Although NETDEV_UNREGISTER event is guaranteed to be handled after
synchronize_net() call, this path needs to wait for rcu grace period via
rcu callback to release basechain hooks if netns is alive because an
ongoing netlink dump could be in progress (sockets hold a reference on
the netns).
Note that nf_tables_pre_exit_net() unregisters and releases basechain
hooks but it is possible to see NETDEV_UNREGISTER at a later stage in
the netns exit path, eg. veth peer device in another netns:
cleanup_net()
default_device_exit_batch()
unregister_netdevice_many_notify()
notifier_call_chain()
nf_tables_netdev_event()
__nft_release_basechain()
In this particular case, same rule of thumb applies: if netns is alive,
then wait for rcu grace period because netlink dump in the other netns
could be in progress. Otherwise, if the other netns is going away then
no netlink dump can be in progress and basechain hooks can be released
inmediately.
While at it, turn WARN_ON() into WARN_ON_ONCE() for the basechain
validation, which should not ever happen.
Fixes: 835b803377 ("netfilter: nf_tables_netdev: unregister hooks on net_device removal")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Commit a23aa04042 ("net: stmmac: ethtool: Fixed calltrace caused by
unbalanced disable_irq_wake calls") introduced checks to prevent
unbalanced enable and disable IRQ wake calls. However it only
initialized the auxiliary variable on one of the paths,
stmmac_request_irq_multi_msi(), missing the other,
stmmac_request_irq_single().
Add the same initialization on stmmac_request_irq_single() to prevent
"Unbalanced IRQ <x> wake disable" warnings from being printed the first
time disable_irq_wake() is called on platforms that run on that code
path.
Fixes: a23aa04042 ("net: stmmac: ethtool: Fixed calltrace caused by unbalanced disable_irq_wake calls")
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241101-stmmac-unbalanced-wake-single-fix-v1-1-5952524c97f0@collabora.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Stable Fixes:
* Fix KMSAN warning in decode_getfattr_attrs()
Other Bugfixes:
* Handle -ENOTCONN in xs_tcp_setup_socked()
* NFSv3: only use NFS timeout for MOUNT when protocols are compatible
* Fix attribute delegation behavior on exclusive create and a/mtime changes
* Fix localio to cope with racing nfs_local_probe()
* Avoid i_lock contention in fs_clear_invalid_mapping()
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Merge tag 'nfs-for-6.12-3' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client fixes from Anna Schumaker:
"These are mostly fixes that came up during the nfs bakeathon the other
week.
Stable Fixes:
- Fix KMSAN warning in decode_getfattr_attrs()
Other Bugfixes:
- Handle -ENOTCONN in xs_tcp_setup_socked()
- NFSv3: only use NFS timeout for MOUNT when protocols are compatible
- Fix attribute delegation behavior on exclusive create and a/mtime
changes
- Fix localio to cope with racing nfs_local_probe()
- Avoid i_lock contention in fs_clear_invalid_mapping()"
* tag 'nfs-for-6.12-3' of git://git.linux-nfs.org/projects/anna/linux-nfs:
nfs: avoid i_lock contention in nfs_clear_invalid_mapping
nfs_common: fix localio to cope with racing nfs_local_probe()
NFS: Further fixes to attribute delegation a/mtime changes
NFS: Fix attribute delegation behaviour on exclusive create
nfs: Fix KMSAN warning in decode_getfattr_attrs()
NFSv3: only use NFS timeout for MOUNT when protocols are compatible
sunrpc: handle -ENOTCONN in xs_tcp_setup_socket()
Couple of fixes for keys and trusted keys. For me it id not make
(common) sense to separate them into separate them into separate keys
and trusted keys PR's.
BR, Jarkko
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Merge tag 'keys-next-6.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull keys fixes from Jarkko Sakkinen:
"A couple of fixes for keys and trusted keys"
* tag 'keys-next-6.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
KEYS: trusted: dcp: fix NULL dereference in AEAD crypto operation
security/keys: fix slab-out-of-bounds in key_task_permission
The commit 78ff640819 ("vfs: Convert tracefs to use the new mount API")
broke the gid setting when set by fstab or other mount utility.
It is ignored when it is set. Fix the code so that it recognises the
option again and will honor the settings on mount at boot up.
Update the internal documentation and create a selftest to make sure
it doesn't break again in the future.
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Merge tag 'tracefs-v6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracefs fixes from Steven Rostedt:
"Fix tracefs mount options.
Commit 78ff640819 ("vfs: Convert tracefs to use the new mount API")
broke the gid setting when set by fstab or other mount utility. It is
ignored when it is set. Fix the code so that it recognises the option
again and will honor the settings on mount at boot up.
Update the internal documentation and create a selftest to make sure
it doesn't break again in the future"
* tag 'tracefs-v6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing/selftests: Add tracefs mount options test
tracing: Document tracefs gid mount option
tracing: Fix tracefs mount options
Highlights:
- AMD PMF: Add new hardware id
- AMD PMC: Fix crash when loaded with enable_stb=1 on devices without STB
- Dell: Add Alienware hwid for Alienware systems with Dell WMI interface
- thinkpad_acpi: Quirk to fix wrong fan speed readings on L480
- New hotkey mappings for Dell and Lenovo laptops
The following is an automated git shortlog grouped by driver:
dell-smbios-base:
- Extends support to Alienware products
dell-wmi-base:
- Handle META key Lock/Unlock events
ideapad-laptop:
- add missing Ideapad Pro 5 fn keys
platform/x86/amd/pmc:
- Detect when STB is not available
platform/x86/amd/pmf:
- Add SMU metrics table support for 1Ah family 60h model
thinkpad_acpi:
- Fix for ThinkPad's with ECFW showing incorrect fan speed
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Merge tag 'platform-drivers-x86-v6.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
- AMD PMF: Add new hardware id
- AMD PMC: Fix crash when loaded with enable_stb=1 on devices without STB
- Dell: Add Alienware hwid for Alienware systems with Dell WMI interface
- thinkpad_acpi: Quirk to fix wrong fan speed readings on L480
- New hotkey mappings for Dell and Lenovo laptops
* tag 'platform-drivers-x86-v6.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: thinkpad_acpi: Fix for ThinkPad's with ECFW showing incorrect fan speed
platform/x86: ideapad-laptop: add missing Ideapad Pro 5 fn keys
platform/x86: dell-wmi-base: Handle META key Lock/Unlock events
platform/x86: dell-smbios-base: Extends support to Alienware products
platform/x86/amd/pmc: Detect when STB is not available
platform/x86/amd/pmf: Add SMU metrics table support for 1Ah family 60h model
- fix restart/panic logic in dm-verity
- fix 32-bit unsigned integer overflow in dm-unstriped
- fix a device mapper crash if blk_alloc_disk fails
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Merge tag 'for-6.12/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mikulas Patocka:
- fix memory safety bugs in dm-cache
- fix restart/panic logic in dm-verity
- fix 32-bit unsigned integer overflow in dm-unstriped
- fix a device mapper crash if blk_alloc_disk fails
* tag 'for-6.12/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm cache: fix potential out-of-bounds access on the first resume
dm cache: optimize dirty bit checking with find_next_bit when resizing
dm cache: fix out-of-bounds access to the dirty bitset when resizing
dm cache: fix flushing uninitialized delayed_work on cache_ctr error
dm cache: correct the number of origin blocks to match the target length
dm-verity: don't crash if panic_on_corruption is not selected
dm-unstriped: cast an operand to sector_t to prevent potential uint32_t overflow
dm: fix a crash if blk_alloc_disk fails
Fix for Thinkpad's with ECFW showing incorrect fan speed. Some models use
decimal instead of hexadecimal for the speed stored in the EC registers.
For example the rpm register will have 0x4200 instead of 0x1068, here
the actual RPM is "4200" in decimal.
Add a quirk to handle this.
Signed-off-by: Vishnu Sankar <vishnuocv@gmail.com>
Suggested-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://lore.kernel.org/r/20241105235505.8493-1-vishnuocv@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2024-11-04 (ice, idpf, i40e, e1000e)
For ice:
Marcin adjusts ordering of calls in ice_eswitch_detach() to resolve a
use after free issue.
Mateusz corrects variable type for Flow Director queue to fix issues
related to drop actions.
For idpf:
Pavan resolves issues related to reset on idpf; avoiding use of freed
vport and correctly unrolling the mailbox task.
For i40e:
Aleksandr fixes a race condition involving addition and deletion of VF
MAC filters.
For e1000e:
Vitaly reverts workaround for Meteor Lake causing regressions in power
management flows.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
e1000e: Remove Meteor Lake SMBUS workarounds
i40e: fix race condition by adding filter's intermediate sync state
idpf: fix idpf_vc_core_init error path
idpf: avoid vport access in idpf_get_link_ksettings
ice: change q_index variable type to s16 to store -1 value
ice: Fix use after free during unload with ports in bridge
====================
Link: https://patch.msgid.link/20241104223639.2801097-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Matthieu Baerts says:
====================
mptcp: pm: fix wrong perm and sock kfree
Two small fixes related to the MPTCP path-manager:
- Patch 1: remove an accidental restriction to admin users to list MPTCP
endpoints. A regression from v6.7.
- Patch 2: correctly use sock_kfree_s() instead of kfree() in the
userspace PM. A fix for another fix introduced in v6.4 and
backportable up to v5.19.
====================
Link: https://patch.msgid.link/20241104-net-mptcp-misc-6-12-v1-0-c13f2ff1656f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The local address entries on userspace_pm_local_addr_list are allocated
by sock_kmalloc().
It's then required to use sock_kfree_s() instead of kfree() to free
these entries in order to adjust the allocated size on the sk side.
Fixes: 24430f8bf5 ("mptcp: add address into userspace pm list")
Cc: stable@vger.kernel.org
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20241104-net-mptcp-misc-6-12-v1-2-c13f2ff1656f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
During the switch to YNL, the command to list all endpoints has been
accidentally restricted to users with admin permissions.
It looks like there are no reasons to have this restriction which makes
it harder for a user to quickly check if the endpoint list has been
correctly populated by an automated tool. Best to go back to the
previous behaviour then.
mptcp_pm_gen.c has been modified using ynl-gen-c.py:
$ ./tools/net/ynl/ynl-gen-c.py --mode kernel \
--spec Documentation/netlink/specs/mptcp_pm.yaml --source \
-o net/mptcp/mptcp_pm_gen.c
The header file doesn't need to be regenerated.
Fixes: 1d0507f468 ("net: mptcp: convert netlink from small_ops to ops")
Cc: stable@vger.kernel.org
Reviewed-by: Davide Caratti <dcaratti@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20241104-net-mptcp-misc-6-12-v1-1-c13f2ff1656f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
DP83848 datasheet (section 4.7.2) indicates that the reset pin should be
toggled after the clocks are running. Add the PHY_RST_AFTER_CLK_EN to
make sure that this indication is respected.
In my experience not having this flag enabled would lead to, on some
boots, the wrong MII mode being selected if the PHY was initialized on
the bootloader and was receiving data during Linux boot.
Signed-off-by: Diogo Silva <diogompaissilva@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Fixes: 34e45ad937 ("net: phy: dp83848: Add TI DP83848 Ethernet PHY")
Link: https://patch.msgid.link/20241102151504.811306-1-paissilva@ld-100007.ds1.internal
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Roger Quadros says:
====================
net: ethernet: ti: am65-cpsw: Fixes to multi queue RX feature
On J7 platforms, setting up multiple RX flows was failing
as the RX free descriptor ring 0 is shared among all flows
and we did not allocate enough elements in the RX free descriptor
ring 0 to accommodate for all RX flows. Patch 1 fixes this.
The second patch fixes a warning if there was any error in
am65_cpsw_nuss_init_rx_chns() and am65_cpsw_nuss_cleanup_rx_chns()
was called after that.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
====================
Link: https://patch.msgid.link/20241101-am65-cpsw-multi-rx-j7-fix-v3-0-338fdd6a55da@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
flow->irq is initialized to 0 which is a valid IRQ. Set it to -EINVAL
in error path of am65_cpsw_nuss_init_rx_chns() so we do not try
to free an unallocated IRQ in am65_cpsw_nuss_remove_rx_chns().
If user tried to change number of RX queues and am65_cpsw_nuss_init_rx_chns()
failed due to any reason, the warning will happen if user tries to change
the number of RX queues after the error condition.
root@am62xx-evm:~# ethtool -L eth0 rx 3
[ 40.385293] am65-cpsw-nuss 8000000.ethernet: set new flow-id-base 19
[ 40.393211] am65-cpsw-nuss 8000000.ethernet: Failed to init rx flow2
netlink error: Invalid argument
root@am62xx-evm:~# ethtool -L eth0 rx 2
[ 82.306427] ------------[ cut here ]------------
[ 82.311075] WARNING: CPU: 0 PID: 378 at kernel/irq/devres.c:144 devm_free_irq+0x84/0x90
[ 82.469770] Call trace:
[ 82.472208] devm_free_irq+0x84/0x90
[ 82.475777] am65_cpsw_nuss_remove_rx_chns+0x6c/0xac [ti_am65_cpsw_nuss]
[ 82.482487] am65_cpsw_nuss_update_tx_rx_chns+0x2c/0x9c [ti_am65_cpsw_nuss]
[ 82.489442] am65_cpsw_set_channels+0x30/0x4c [ti_am65_cpsw_nuss]
[ 82.495531] ethnl_set_channels+0x224/0x2dc
[ 82.499713] ethnl_default_set_doit+0xb8/0x1b8
[ 82.504149] genl_family_rcv_msg_doit+0xc0/0x124
[ 82.508757] genl_rcv_msg+0x1f0/0x284
[ 82.512409] netlink_rcv_skb+0x58/0x130
[ 82.516239] genl_rcv+0x38/0x50
[ 82.519374] netlink_unicast+0x1d0/0x2b0
[ 82.523289] netlink_sendmsg+0x180/0x3c4
[ 82.527205] __sys_sendto+0xe4/0x158
[ 82.530779] __arm64_sys_sendto+0x28/0x38
[ 82.534782] invoke_syscall+0x44/0x100
[ 82.538526] el0_svc_common.constprop.0+0xc0/0xe0
[ 82.543221] do_el0_svc+0x1c/0x28
[ 82.546528] el0_svc+0x28/0x98
[ 82.549578] el0t_64_sync_handler+0xc0/0xc4
[ 82.553752] el0t_64_sync+0x190/0x194
[ 82.557407] ---[ end trace 0000000000000000 ]---
Fixes: da70d184a8 ("net: ethernet: ti: am65-cpsw: Introduce multi queue Rx")
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
On J7 platforms, setting up multiple RX flows was failing
as the RX free descriptor ring 0 is shared among all flows
and we did not allocate enough elements in the RX free descriptor
ring 0 to accommodate for all RX flows.
This issue is not present on AM62 as separate pair of
rings are used for free and completion rings for each flow.
Fix this by allocating enough elements for RX free descriptor
ring 0.
However, we can no longer rely on desc_idx (descriptor based
offsets) to identify the pages in the respective flows as
free descriptor ring includes elements for all flows.
To solve this, introduce a new swdata data structure to store
flow_id and page. This can be used to identify which flow (page_pool)
and page the descriptor belonged to when popped out of the
RX rings.
Fixes: da70d184a8 ("net: ethernet: ti: am65-cpsw: Introduce multi queue Rx")
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
When the driver is uninstalled and the VF is disabled concurrently, a
kernel crash occurs. The reason is that the two actions call function
pci_disable_sriov(). The num_VFs is checked to determine whether to
release the corresponding resources. During the second calling, num_VFs
is not 0 and the resource release function is called. However, the
corresponding resource has been released during the first invoking.
Therefore, the problem occurs:
[15277.839633][T50670] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000020
...
[15278.131557][T50670] Call trace:
[15278.134686][T50670] klist_put+0x28/0x12c
[15278.138682][T50670] klist_del+0x14/0x20
[15278.142592][T50670] device_del+0xbc/0x3c0
[15278.146676][T50670] pci_remove_bus_device+0x84/0x120
[15278.151714][T50670] pci_stop_and_remove_bus_device+0x6c/0x80
[15278.157447][T50670] pci_iov_remove_virtfn+0xb4/0x12c
[15278.162485][T50670] sriov_disable+0x50/0x11c
[15278.166829][T50670] pci_disable_sriov+0x24/0x30
[15278.171433][T50670] hnae3_unregister_ae_algo_prepare+0x60/0x90 [hnae3]
[15278.178039][T50670] hclge_exit+0x28/0xd0 [hclge]
[15278.182730][T50670] __se_sys_delete_module.isra.0+0x164/0x230
[15278.188550][T50670] __arm64_sys_delete_module+0x1c/0x30
[15278.193848][T50670] invoke_syscall+0x50/0x11c
[15278.198278][T50670] el0_svc_common.constprop.0+0x158/0x164
[15278.203837][T50670] do_el0_svc+0x34/0xcc
[15278.207834][T50670] el0_svc+0x20/0x30
For details, see the following figure.
rmmod hclge disable VFs
----------------------------------------------------
hclge_exit() sriov_numvfs_store()
... device_lock()
pci_disable_sriov() hns3_pci_sriov_configure()
pci_disable_sriov()
sriov_disable()
sriov_disable() if !num_VFs :
if !num_VFs : return;
return; sriov_del_vfs()
sriov_del_vfs() ...
... klist_put()
klist_put() ...
... num_VFs = 0;
num_VFs = 0; device_unlock();
In this patch, when driver is removing, we get the device_lock()
to protect num_VFs, just like sriov_numvfs_store().
Fixes: 0dd8a25f35 ("net: hns3: disable sriov before unload hclge layer")
Signed-off-by: Peiyang Wang <wangpeiyang1@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241101091507.3644584-1-shaojijie@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This reverts commit d80a309130, reversing
changes made to 637f414763:
2cf2461435 ("net: hns3: fix kernel crash when 1588 is sent on HIP08 devices")
3e22b7de34 ("net: hns3: fixed hclge_fetch_pf_reg accesses bar space out of bounds issue")
d1c2e2961a ("net: hns3: initialize reset_timer before hclgevf_misc_irq_init()")
5f62009ff1 ("net: hns3: don't auto enable misc vector")
2758f18a83 ("net: hns3: Resolved the issue that the debugfs query result is inconsistent.")
662ecfc466 ("net: hns3: fix missing features due to dev->features configuration too early")
3e0f7cc887 ("net: hns3: fixed reset failure issues caused by the incorrect reset type")
f2c14899ca ("net: hns3: add sync command to sync io-pgtable")
e6ab19443b ("net: hns3: default enable tx bounce buffer when smmu enabled")
The series is making the driver poke into IOMMU internals instead of
implementing appropriate IOMMU workarounds.
Link: https://lore.kernel.org/069c9838-b781-4012-934a-d2626fa78212@arm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'linux-can-fixes-for-6.12-20241104' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2024-11-04
Alexander Hölzl contributes a patch to fix an error in the CAN j1939
documentation.
Thomas Mühlbacher's patch allows building of the {cc770,sja1000}_isa
drivers on x86_64 again.
A patch by me targets the m_can driver and limits the call to
free_irq() to devices with IRQs.
Dario Binacchi's patch fixes the RX and TX error counters in the c_can
driver.
The next 2 patches target the rockchip_canfd driver. Geert
Uytterhoeven's patch lets the driver depend on ARCH_ROCKCHIP. Jean
Delvare's patch drops the obsolete dependency on COMPILE_TEST.
The last 2 patches are by me and fix 2 regressions in the mcp251xfd
driver: fix broken coalescing configuration when switching CAN modes
and fix the length calculation of the Transmit Event FIFO (TEF) on
full TEF.
* tag 'linux-can-fixes-for-6.12-20241104' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: mcp251xfd: mcp251xfd_get_tef_len(): fix length calculation
can: mcp251xfd: mcp251xfd_ring_alloc(): fix coalescing configuration when switching CAN modes
can: rockchip_canfd: Drop obsolete dependency on COMPILE_TEST
can: rockchip_canfd: CAN_ROCKCHIP_CANFD should depend on ARCH_ROCKCHIP
can: c_can: fix {rx,tx}_errors statistics
can: m_can: m_can_close(): don't call free_irq() for IRQ-less devices
can: {cc770,sja1000}_isa: allow building on x86_64
can: j1939: fix error in J1939 documentation.
====================
Link: https://patch.msgid.link/20241104200120.393312-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Where the last set of fixes was mostly drivers, this time the devicetree
changes all come at once, targeting mostly the Rockchips, Qualcomm and
NXP platforms.
The Qualcomm bugfixes target the Snapdragon X Elite laptops, specifically
problems with PCIe and NVMe support to improve reliability, and a boot
regresion on msm8939. Also for Snapdragon platforms, there are a number
of correctness changes in the several platform specific device drivers,
but none of these are as impactful.
On the NXP i.MX platform, the fixes are all for 64-bit i.MX8 variants,
correcting individual entries in the devicetree that were incorrect and
causing the media, video, mmc and spi drivers to misbehave in minor
ways.
The Arm SCMI firmware driver gets fixes for a use-after-free bug and
for correctly parsing firmware information.
On the RISC-V side, there are three minor devicetree fixes for starfive
and sophgo, again addressing only minor mistakes. One device driver
patch fixes a problem with spurious interrupt handling.
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Merge tag 'arm-fixes-6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC fixes from Arnd Bergmann:
"Where the last set of fixes was mostly drivers, this time the
devicetree changes all come at once, targeting mostly the Rockchips,
Qualcomm and NXP platforms.
The Qualcomm bugfixes target the Snapdragon X Elite laptops,
specifically problems with PCIe and NVMe support to improve
reliability, and a boot regresion on msm8939.
Also for Snapdragon platforms, there are a number of correctness
changes in the several platform specific device drivers, but none of
these are as impactful.
On the NXP i.MX platform, the fixes are all for 64-bit i.MX8 variants,
correcting individual entries in the devicetree that were incorrect
and causing the media, video, mmc and spi drivers to misbehave in
minor ways.
The Arm SCMI firmware driver gets fixes for a use-after-free bug and
for correctly parsing firmware information.
On the RISC-V side, there are three minor devicetree fixes for
starfive and sophgo, again addressing only minor mistakes. One device
driver patch fixes a problem with spurious interrupt handling"
* tag 'arm-fixes-6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (63 commits)
firmware: arm_scmi: Use vendor string in max-rx-timeout-ms
dt-bindings: firmware: arm,scmi: Add missing vendor string
riscv: dts: Replace deprecated snps,nr-gpios property for snps,dw-apb-gpio-port devices
arm64: dts: rockchip: Correct GPIO polarity on brcm BT nodes
arm64: dts: rockchip: Drop invalid clock-names from es8388 codec nodes
ARM: dts: rockchip: Fix the realtek audio codec on rk3036-kylin
ARM: dts: rockchip: Fix the spi controller on rk3036
ARM: dts: rockchip: drop grf reference from rk3036 hdmi
ARM: dts: rockchip: fix rk3036 acodec node
arm64: dts: rockchip: remove orphaned pinctrl-names from pinephone pro
soc: qcom: pmic_glink: Handle GLINK intent allocation rejections
rpmsg: glink: Handle rejected intent request better
arm64: dts: qcom: x1e80100: fix PCIe5 interconnect
arm64: dts: qcom: x1e80100: fix PCIe4 interconnect
arm64: dts: qcom: x1e80100: Fix up BAR spaces
MAINTAINERS: invert Misc RISC-V SoC Support's pattern
soc: qcom: socinfo: fix revision check in qcom_socinfo_probe()
arm64: dts: qcom: x1e80100-qcp: fix nvme regulator boot glitch
arm64: dts: qcom: x1e80100-microsoft-romulus: fix nvme regulator boot glitch
arm64: dts: qcom: x1e80100-yoga-slim7x: fix nvme regulator boot glitch
...
This is a partial revert to commit 76a0a3f9cc ("e1000e: fix force smbus
during suspend flow"). That commit fixed a sporadic PHY access issue but
introduced a regression in runtime suspend flows.
The original issue on Meteor Lake systems was rare in terms of the
reproduction rate and the number of the systems affected.
After the integration of commit 0a6ad4d9e1 ("e1000e: avoid failing the
system during pm_suspend"), PHY access loss can no longer cause a
system-level suspend failure. As it only occurs when the LAN cable is
disconnected, and is recovered during system resume flow. Therefore, its
functional impact is low, and the priority is given to stabilizing
runtime suspend.
Fixes: 76a0a3f9cc ("e1000e: fix force smbus during suspend flow")
Signed-off-by: Vitaly Lifshits <vitaly.lifshits@intel.com>
Tested-by: Avigail Dahan <avigailx.dahan@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Fix a race condition in the i40e driver that leads to MAC/VLAN filters
becoming corrupted and leaking. Address the issue that occurs under
heavy load when multiple threads are concurrently modifying MAC/VLAN
filters by setting mac and port VLAN.
1. Thread T0 allocates a filter in i40e_add_filter() within
i40e_ndo_set_vf_port_vlan().
2. Thread T1 concurrently frees the filter in __i40e_del_filter() within
i40e_ndo_set_vf_mac().
3. Subsequently, i40e_service_task() calls i40e_sync_vsi_filters(), which
refers to the already freed filter memory, causing corruption.
Reproduction steps:
1. Spawn multiple VFs.
2. Apply a concurrent heavy load by running parallel operations to change
MAC addresses on the VFs and change port VLANs on the host.
3. Observe errors in dmesg:
"Error I40E_AQ_RC_ENOSPC adding RX filters on VF XX,
please set promiscuous on manually for VF XX".
Exact code for stable reproduction Intel can't open-source now.
The fix involves implementing a new intermediate filter state,
I40E_FILTER_NEW_SYNC, for the time when a filter is on a tmp_add_list.
These filters cannot be deleted from the hash list directly but
must be removed using the full process.
Fixes: 278e7d0b9d ("i40e: store MAC/VLAN filters in a hash with the MAC Address as key")
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Reviewed-by: Michal Schmidt <mschmidt@redhat.com>
Tested-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
In an event where the platform running the device control plane
is rebooted, reset is detected on the driver. It releases
all the resources and waits for the reset to complete. Once the
reset is done, it tries to build the resources back. At this
time if the device control plane is not yet started, then
the driver timeouts on the virtchnl message and retries to
establish the mailbox again.
In the retry flow, mailbox is deinitialized but the mailbox
workqueue is still alive and polling for the mailbox message.
This results in accessing the released control queue leading to
null-ptr-deref. Fix it by unrolling the work queue cancellation
and mailbox deinitialization in the reverse order which they got
initialized.
Fixes: 4930fbf419 ("idpf: add core init and interrupt request")
Fixes: 34c21fa894 ("idpf: implement virtchnl transaction manager")
Cc: stable@vger.kernel.org # 6.9+
Reviewed-by: Tarun K Singh <tarun.k.singh@intel.com>
Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
When the device control plane is removed or the platform
running device control plane is rebooted, a reset is detected
on the driver. On driver reset, it releases the resources and
waits for the reset to complete. If the reset fails, it takes
the error path and releases the vport lock. At this time if the
monitoring tools tries to access link settings, it call traces
for accessing released vport pointer.
To avoid it, move link_speed_mbps to netdev_priv structure
which removes the dependency on vport pointer and the vport lock
in idpf_get_link_ksettings. Also use netif_carrier_ok()
to check the link status and adjust the offsetof to use link_up
instead of link_speed_mbps.
Fixes: 02cbfba1ad ("idpf: add ethtool callbacks")
Cc: stable@vger.kernel.org # 6.7+
Reviewed-by: Tarun K Singh <tarun.k.singh@intel.com>
Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Fix Flow Director not allowing to re-map traffic to 0th queue when action
is configured to drop (and vice versa).
The current implementation of ethtool callback in the ice driver forbids
change Flow Director action from 0 to -1 and from -1 to 0 with an error,
e.g:
# ethtool -U eth2 flow-type tcp4 src-ip 1.1.1.1 loc 1 action 0
# ethtool -U eth2 flow-type tcp4 src-ip 1.1.1.1 loc 1 action -1
rmgr: Cannot insert RX class rule: Invalid argument
We set the value of `u16 q_index = 0` at the beginning of the function
ice_set_fdir_input_set(). In case of "drop traffic" action (which is
equal to -1 in ethtool) we store the 0 value. Later, when want to change
traffic rule to redirect to queue with index 0 it returns an error
caused by duplicate found.
Fix this behaviour by change of the type of field `q_index` from u16 to s16
in `struct ice_fdir_fltr`. This allows to store -1 in the field in case
of "drop traffic" action. What is more, change the variable type in the
function ice_set_fdir_input_set() and assign at the beginning the new
`#define ICE_FDIR_NO_QUEUE_IDX` which is -1. Later, if the action is set
to another value (point specific queue index) the variable value is
overwritten in the function.
Fixes: cac2a27cd9 ("ice: Support IPv4 Flow Director filters")
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Unloading the ice driver while switchdev port representors are added to
a bridge can lead to kernel panic. Reproducer:
modprobe ice
devlink dev eswitch set $PF1_PCI mode switchdev
ip link add $BR type bridge
ip link set $BR up
echo 2 > /sys/class/net/$PF1/device/sriov_numvfs
sleep 2
ip link set $PF1 master $BR
ip link set $VF1_PR master $BR
ip link set $VF2_PR master $BR
ip link set $PF1 up
ip link set $VF1_PR up
ip link set $VF2_PR up
ip link set $VF1 up
rmmod irdma ice
When unloading the driver, ice_eswitch_detach() is eventually called as
part of VF freeing. First, it removes a port representor from xarray,
then unregister_netdev() is called (via repr->ops.rem()), finally
representor is deallocated. The problem comes from the bridge doing its
own deinit at the same time. unregister_netdev() triggers a notifier
chain, resulting in ice_eswitch_br_port_deinit() being called. It should
set repr->br_port = NULL, but this does not happen since repr has
already been removed from xarray and is not found. Regardless, it
finishes up deallocating br_port. At this point, repr is still not freed
and an fdb event can happen, in which ice_eswitch_br_fdb_event_work()
takes repr->br_port and tries to use it, which causes a panic (use after
free).
Note that this only happens with 2 or more port representors added to
the bridge, since with only one representor port, the bridge deinit is
slightly different (ice_eswitch_br_port_deinit() is called via
ice_eswitch_br_ports_flush(), not ice_eswitch_br_port_unlink()).
Trace:
Oops: general protection fault, probably for non-canonical address 0xf129010fd1a93284: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0x8948287e8d499420-0x8948287e8d499427]
(...)
Workqueue: ice_bridge_wq ice_eswitch_br_fdb_event_work [ice]
RIP: 0010:__rht_bucket_nested+0xb4/0x180
(...)
Call Trace:
(...)
ice_eswitch_br_fdb_find+0x3fa/0x550 [ice]
? __pfx_ice_eswitch_br_fdb_find+0x10/0x10 [ice]
ice_eswitch_br_fdb_event_work+0x2de/0x1e60 [ice]
? __schedule+0xf60/0x5210
? mutex_lock+0x91/0xe0
? __pfx_ice_eswitch_br_fdb_event_work+0x10/0x10 [ice]
? ice_eswitch_br_update_work+0x1f4/0x310 [ice]
(...)
A workaround is available: brctl setageing $BR 0, which stops the bridge
from adding fdb entries altogether.
Change the order of operations in ice_eswitch_detach(): move the call to
unregister_netdev() before removing repr from xarray. This way
repr->br_port will be correctly set to NULL in
ice_eswitch_br_port_deinit(), preventing a panic.
Fixes: fff292b47a ("ice: add VF representors one by one")
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
When sealing or unsealing a key blob we currently do not wait for
the AEAD cipher operation to finish and simply return after submitting
the request. If there is some load on the system we can exit before
the cipher operation is done and the buffer we read from/write to
is already removed from the stack. This will e.g. result in NULL
pointer dereference errors in the DCP driver during blob creation.
Fix this by waiting for the AEAD cipher operation to finish before
resuming the seal and unseal calls.
Cc: stable@vger.kernel.org # v6.10+
Fixes: 0e28bf61a5 ("KEYS: trusted: dcp: fix leak of blob encryption key")
Reported-by: Parthiban N <parthiban@linumiz.com>
Closes: https://lore.kernel.org/keyrings/254d3bb1-6dbc-48b4-9c08-77df04baee2f@linumiz.com/
Signed-off-by: David Gstir <david@sigma-star.at>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
KASAN reports an out of bounds read:
BUG: KASAN: slab-out-of-bounds in __kuid_val include/linux/uidgid.h:36
BUG: KASAN: slab-out-of-bounds in uid_eq include/linux/uidgid.h:63 [inline]
BUG: KASAN: slab-out-of-bounds in key_task_permission+0x394/0x410
security/keys/permission.c:54
Read of size 4 at addr ffff88813c3ab618 by task stress-ng/4362
CPU: 2 PID: 4362 Comm: stress-ng Not tainted 5.10.0-14930-gafbffd6c3ede #15
Call Trace:
__dump_stack lib/dump_stack.c:82 [inline]
dump_stack+0x107/0x167 lib/dump_stack.c:123
print_address_description.constprop.0+0x19/0x170 mm/kasan/report.c:400
__kasan_report.cold+0x6c/0x84 mm/kasan/report.c:560
kasan_report+0x3a/0x50 mm/kasan/report.c:585
__kuid_val include/linux/uidgid.h:36 [inline]
uid_eq include/linux/uidgid.h:63 [inline]
key_task_permission+0x394/0x410 security/keys/permission.c:54
search_nested_keyrings+0x90e/0xe90 security/keys/keyring.c:793
This issue was also reported by syzbot.
It can be reproduced by following these steps(more details [1]):
1. Obtain more than 32 inputs that have similar hashes, which ends with the
pattern '0xxxxxxxe6'.
2. Reboot and add the keys obtained in step 1.
The reproducer demonstrates how this issue happened:
1. In the search_nested_keyrings function, when it iterates through the
slots in a node(below tag ascend_to_node), if the slot pointer is meta
and node->back_pointer != NULL(it means a root), it will proceed to
descend_to_node. However, there is an exception. If node is the root,
and one of the slots points to a shortcut, it will be treated as a
keyring.
2. Whether the ptr is keyring decided by keyring_ptr_is_keyring function.
However, KEYRING_PTR_SUBTYPE is 0x2UL, the same as
ASSOC_ARRAY_PTR_SUBTYPE_MASK.
3. When 32 keys with the similar hashes are added to the tree, the ROOT
has keys with hashes that are not similar (e.g. slot 0) and it splits
NODE A without using a shortcut. When NODE A is filled with keys that
all hashes are xxe6, the keys are similar, NODE A will split with a
shortcut. Finally, it forms the tree as shown below, where slot 6 points
to a shortcut.
NODE A
+------>+---+
ROOT | | 0 | xxe6
+---+ | +---+
xxxx | 0 | shortcut : : xxe6
+---+ | +---+
xxe6 : : | | | xxe6
+---+ | +---+
| 6 |---+ : : xxe6
+---+ +---+
xxe6 : : | f | xxe6
+---+ +---+
xxe6 | f |
+---+
4. As mentioned above, If a slot(slot 6) of the root points to a shortcut,
it may be mistakenly transferred to a key*, leading to a read
out-of-bounds read.
To fix this issue, one should jump to descend_to_node if the ptr is a
shortcut, regardless of whether the node is root or not.
[1] https://lore.kernel.org/linux-kernel/1cfa878e-8c7b-4570-8606-21daf5e13ce7@huaweicloud.com/
[jarkko: tweaked the commit message a bit to have an appropriate closes
tag.]
Fixes: b2a4df200d ("KEYS: Expand the capacity of a keyring")
Reported-by: syzbot+5b415c07907a2990d1a3@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/all/000000000000cbb7860611f61147@google.com/T/
Signed-off-by: Chen Ridong <chenridong@huawei.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
- sdhci-pci-gli: A couple of fixes for low power mode on GL9767
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Merge tag 'mmc-v6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull mmc fixes from Ulf Hansson:
- sdhci-pci-gli: A couple of fixes for low power mode on GL9767
* tag 'mmc-v6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-pci-gli: GL9767: Fix low power mode in the SD Express process
mmc: sdhci-pci-gli: GL9767: Fix low power mode on the set clock function
