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| author |   Paolo Abeni <pabeni@redhat.com> | 2023-06-14 10:31:42 +0200 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2023-06-14 10:31:42 +0200 |
| commit | 3b0d2819522235d003df8da68caadc5d226d4c1d (patch) | |
| tree | 3b75f6aeddee402c65ed2651351a339e9d0c435d /tools/perf/scripts/python/stackcollapse.py | |
| parent | net/sched: act_ct: Fix promotion of offloaded unreplied tuple (diff) | |
| parent | net/sched: qdisc_destroy() old ingress and clsact Qdiscs before grafting (diff) | |
| download | wireguard-linux-3b0d2819522235d003df8da68caadc5d226d4c1d.tar.xz wireguard-linux-3b0d2819522235d003df8da68caadc5d226d4c1d.zip | |
Merge branch 'net-sched-fix-race-conditions-in-mini_qdisc_pair_swap'
Peilin Ye says:
====================
net/sched: Fix race conditions in mini_qdisc_pair_swap()
These 2 patches fix race conditions for ingress and clsact Qdiscs as
reported [1] by syzbot, split out from another [2] series (last 2 patches
of it). Per-patch changelog omitted.
Patch 1 hasn't been touched since last version; I just included
everybody's tag.
Patch 2 bases on patch 6 v1 of [2], with comments and commit log slightly
changed. We also need rtnl_dereference() to load ->qdisc_sleeping since
commit d636fc5dd692 ("net: sched: add rcu annotations around
qdisc->qdisc_sleeping"), so I changed that; please take yet another look,
thanks!
Patch 2 has been tested with the new reproducer Pedro posted [3].
[1] https://syzkaller.appspot.com/bug?extid=b53a9c0d1ea4ad62da8b
[2] https://lore.kernel.org/r/cover.1684887977.git.peilin.ye@bytedance.com/
[3] https://lore.kernel.org/r/7879f218-c712-e9cc-57ba-665990f5f4c9@mojatatu.com/
====================
Link: https://lore.kernel.org/r/cover.1686355297.git.peilin.ye@bytedance.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
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