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| author | Dmitry Safonov <dima@arista.com> | 2023-12-22 01:13:59 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2024-01-01 14:42:05 +0000 |
| commit | b901a4e276943f61e11ddb597a0abc1e7dfadf0f (patch) | |
| tree | 16373ff28e2e7a910f579d8559099acf9b82944f /tools/testing/selftests/tc-testing/plugin-lib/buildebpfPlugin.py | |
| parent | 8fcb0382af6f1ef50936f1be05b8149eb2f88496 (diff) | |
net/tcp_sigpool: Use kref_get_unless_zero()
The freeing and re-allocation of algorithm are protected by cpool_mutex,
so it doesn't fix an actual use-after-free, but avoids a deserved
refcount_warn_saturate() warning.
A trivial fix for the racy behavior.
Fixes: 8c73b26315aa ("net/tcp: Prepare tcp_md5sig_pool for TCP-AO")
Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Dmitry Safonov <dima@arista.com>
Tested-by: Bagas Sanjaya <bagasdotme@gmail.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/testing/selftests/tc-testing/plugin-lib/buildebpfPlugin.py')
0 files changed, 0 insertions, 0 deletions