unix_bpf: Fix a potential deadlock in unix_dgram_bpf_recvmsg()
As Eric noticed, __unix_dgram_recvmsg() may acquire u->iolock too, so we have to release it before calling this function. Fixes: 9825d866 ("af_unix: Implement unix_dgram_bpf_recvmsg()") Reported-by:Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by:
Cong Wang <cong.wang@bytedance.com> Signed-off-by:
Andrii Nakryiko <andrii@kernel.org> Acked-by:
Jakub Sitnicki <jakub@cloudflare.com> Acked-by:
John Fastabend <john.fastabend@gmail.com>
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a710eed3
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