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authorKuniyuki Iwashima2024-06-04 09:52:39 -0700
committerPaolo Abeni2024-06-06 12:57:15 +0200
commit83690b82d228b3570565ebd0b41873933238b97f (patch)
tree9f413da3100800b7802347361c77333bce00a073 /Documentation/sphinx-static
parent45d872f0e65593176d880ec148f41ad7c02e40a7 (diff)
af_unix: Use skb_queue_empty_lockless() in unix_release_sock().
If the socket type is SOCK_STREAM or SOCK_SEQPACKET, unix_release_sock() checks the length of the peer socket's recvq under unix_state_lock(). However, unix_stream_read_generic() calls skb_unlink() after releasing the lock. Also, for SOCK_SEQPACKET, __skb_try_recv_datagram() unlinks skb without unix_state_lock(). Thues, unix_state_lock() does not protect qlen. Let's use skb_queue_empty_lockless() in unix_release_sock(). Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'Documentation/sphinx-static')
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