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| author | Gang Yan <yangang@kylinos.cn> | 2026-04-27 22:54:34 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-04-29 04:36:27 +0300 |
| commit | b5c52908d52c6c8eb8933264aa6087a0600fd892 (patch) | |
| tree | 425819243d9dc066614e36b6670b6d0cf6498aa0 /include/linux/workqueue_api.h | |
| parent | 5f95c21fc23a7ef22b4d27d1ed9bb55557ffb926 (diff) | |
| download | linux-b5c52908d52c6c8eb8933264aa6087a0600fd892.tar.xz | |
mptcp: fix scheduling with atomic in timestamp sockopt
Using lock_sock_fast() (atomic context) around sock_set_timestamp()
and sock_set_timestamping() is unsafe, as both helpers can sleep.
Replace lock_sock_fast() with sleepable lock_sock()/release_sock()
to avoid scheduling while atomic panic.
Fixes: 9061f24bf82e ("mptcp: sockopt: propagate timestamp request to subflows")
Cc: stable@vger.kernel.org
Reported-by: Sashiko <sashiko-bot@kernel.org>
Closes: https://sashiko.dev/#/patchset/20260420093343.16443-1-gang.yan@linux.dev
Signed-off-by: Gang Yan <yangang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20260427-net-mptcp-misc-fixes-7-1-rc2-v1-2-7432b7f279fa@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/workqueue_api.h')
0 files changed, 0 insertions, 0 deletions