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author | Herbert Xu <herbert@gondor.apana.org.au> | 2019-12-05 13:45:05 +0800 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-05 14:18:10 +0000 |
commit | 713ff7e4d605c4dd1efd838e3f0092cd93733f0c (patch) | |
tree | 735d21e22af93a653570cf2e15faa6eced170946 /fs | |
parent | c662ea4fab81c530590c2be3e86e26313d047e3b (diff) |
crypto: af_alg - Use bh_lock_sock in sk_destruct
commit 37f96694cf73ba116993a9d2d99ad6a75fa7fdb0 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: syzbot+c2f1558d49e25cc36e5e@syzkaller.appspotmail.com
Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Fixes: c840ac6af3f8 ("crypto: af_alg - Disallow bind/setkey/...")
Cc: <stable@vger.kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
0 files changed, 0 insertions, 0 deletions