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linux-stable/net/xfrm
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Florian Westphal b1bdcb59b6 xfrm: don't call xfrm_policy_cache_flush while holding spinlock 
xfrm_policy_cache_flush can sleep, so it cannot be called while holding
a spinlock.  We could release the lock first, but I don't see why we need
to invoke this function here in first place, the packet path won't reuse
an xdst entry unless its still valid.

While at it, add an annotation to xfrm_policy_cache_flush, it would
have probably caught this bug sooner.

Fixes: ec30d78c14 ("xfrm: add xdst pcpu cache")
Reported-by: syzbot+e149f7d1328c26f9c12f@syzkaller.appspotmail.com
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2018-01-08 10:16:40 +01:00
..
Kconfig Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2017-02-16 21:25:49 -05:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfrm_algo.c xfrm: use IS_ENABLED() instead of checking for built-in or module 2016-09-10 21:19:11 -07:00
xfrm_device.c xfrm: Fix negative device refcount on offload failure. 2017-09-11 10:36:51 +02:00
xfrm_hash.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfrm_hash.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfrm_input.c xfrm: Use __skb_queue_tail in xfrm_trans_queue 2018-01-05 09:33:14 +01:00
xfrm_ipcomp.c
xfrm_output.c xfrm: Fix GSO for IPsec with GRE tunnel. 2017-10-31 09:20:35 +01:00
xfrm_policy.c xfrm: don't call xfrm_policy_cache_flush while holding spinlock 2018-01-08 10:16:40 +01:00
xfrm_proc.c proc: Reduce cache miss in xfrm_statistics_seq_show 2016-09-30 01:50:45 -04:00
xfrm_replay.c xfrm: Add xfrm_replay_overflow functions for offloading 2017-04-14 10:07:01 +02:00
xfrm_state.c xfrm: fix rcu usage in xfrm_get_type_offload 2017-12-31 16:29:24 +01:00
xfrm_sysctl.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfrm_user.c xfrm: Fix stack-out-of-bounds with misconfigured transport mode policies. 2017-12-08 08:07:25 +01:00