| commit | 3a9016f97fdc8bfbb26ff36ba8f3dc9162eb691b | |
| author | Steffen Klassert <steffen.klassert@secunet.com> | |
| Wed, 19 Feb 2014 09:07:34 +0000 (19 10:07 +0100) | ||
| committer | Steffen Klassert <steffen.klassert@secunet.com> | |
| Wed, 26 Feb 2014 08:52:02 +0000 (26 09:52 +0100) | ||
| tree | 29319c7ec9ab7035398c1bef2bdbccd3cee718a2 | treesnapshot (tar.gz zip) |
| parent | ee5c23176fcc820f7a56d3e86001532af0d59b1e | commitdiff |
xfrm: Fix unlink race when policies are deleted.
When a policy is unlinked from the lists in thread context,
the xfrm timer can fire before we can mark this policy as dead.
So reinitialize the bydst hlist, then hlist_unhashed() will
notice that this policy is not linked and will avoid a
doulble unlink of that policy.
Reported-by: Xianpeng Zhao <673321875@qq.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
When a policy is unlinked from the lists in thread context,
the xfrm timer can fire before we can mark this policy as dead.
So reinitialize the bydst hlist, then hlist_unhashed() will
notice that this policy is not linked and will avoid a
doulble unlink of that policy.
Reported-by: Xianpeng Zhao <673321875@qq.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
| net/xfrm/xfrm_policy.c | diffblobblamehistory |