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Commit 6b544caa authored by Herbert Xu's avatar Herbert Xu Committed by Greg Kroah-Hartman
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crypto: af_alg - Use bh_lock_sock in sk_destruct



commit 37f96694 upstream.

As af_alg_release_parent may be called from BH context (most notably
due to an async request that only completes after socket closure,
or as reported here because of an RCU-delayed sk_destruct call), we
must use bh_lock_sock instead of lock_sock.

Reported-by: default avatar <syzbot+c2f1558d49e25cc36e5e@syzkaller.appspotmail.com>
Reported-by: default avatarEric Dumazet <eric.dumazet@gmail.com>
Fixes: c840ac6a ("crypto: af_alg - Disallow bind/setkey/...")
Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 5c1187d1
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