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| author | Jussi Kivilinna <jussi.kivilinna@mbnet.fi> | 2012-10-21 20:42:28 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-11-26 11:37:41 -0800 |
| commit | 30966dbf8217223b017514ca684c633e5c31a13a (patch) | |
| tree | 1b983a3d55a066a1bb946a398d769156097f053d /crypto/md5.c | |
| parent | bb60c07c75a9087303779324be4e5de771a7687b (diff) | |
crypto: cryptd - disable softirqs in cryptd_queue_worker to prevent data corruption
commit 9efade1b3e981f5064f9db9ca971b4dc7557ae42 upstream.
cryptd_queue_worker attempts to prevent simultaneous accesses to crypto
workqueue by cryptd_enqueue_request using preempt_disable/preempt_enable.
However cryptd_enqueue_request might be called from softirq context,
so add local_bh_disable/local_bh_enable to prevent data corruption and
panics.
Bug report at http://marc.info/?l=linux-crypto-vger&m=134858649616319&w=2
v2:
- Disable software interrupts instead of hardware interrupts
Reported-by: Gurucharan Shetty <gurucharan.shetty@gmail.com>
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'crypto/md5.c')
0 files changed, 0 insertions, 0 deletions