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| author | Hyunwoo Kim <imv4bel@gmail.com> | 2025-06-13 20:54:57 -0400 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-06-17 16:14:04 -0700 |
| commit | b160766e26d4e2e2d6fe2294e0b02f92baefcec5 (patch) | |
| tree | 55f1862608c1e82a56e6ba24cb01898c2eb1158f /net/lapb/lapb_timer.c | |
| parent | 4300fd62daf219e712687fff82098490517d6b20 (diff) | |
net/sched: fix use-after-free in taprio_dev_notifier
Since taprio’s taprio_dev_notifier() isn’t protected by an
RCU read-side critical section, a race with advance_sched()
can lead to a use-after-free.
Adding rcu_read_lock() inside taprio_dev_notifier() prevents this.
Fixes: fed87cc6718a ("net/sched: taprio: automatically calculate queueMaxSDU based on TC gate durations")
Cc: stable@vger.kernel.org
Signed-off-by: Hyunwoo Kim <imv4bel@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/aEzIYYxt0is9upYG@v4bel-B760M-AORUS-ELITE-AX
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/lapb/lapb_timer.c')
0 files changed, 0 insertions, 0 deletions