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android_kernel_motorola_sm6225/net/xfrm
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Florian Westphal d97ca5d714 xfrm_user: uncoditionally validate esn replay attribute struct 
The sanity test added in ecd7918745 can be bypassed, validation
only occurs if XFRM_STATE_ESN flag is set, but rest of code doesn't care
and just checks if the attribute itself is present.

So always validate.  Alternative is to reject if we have the attribute
without the flag but that would change abi.

Reported-by: syzbot+0ab777c27d2bb7588f73@syzkaller.appspotmail.com
Cc: Mathias Krause <minipli@googlemail.com>
Fixes: ecd7918745 ("xfrm_user: ensure user supplied esn replay window is valid")
Fixes: d8647b79c3 ("xfrm: Add user interface for esn and big anti-replay windows")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2018-02-13 09:12:09 +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 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2018-01-26 10:22:53 -05:00
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 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-01-17 00:10:42 -05:00
xfrm_ipcomp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-11-04 13:48:30 -05:00
xfrm_output.c net: Create and use new helper xfrm_dst_child(). 2017-11-30 09:54:25 -05:00
xfrm_policy.c xfrm: Fix policy hold queue after flowcache removal. 2018-02-13 09:09:28 +01:00
xfrm_proc.c net: delete /proc THIS_MODULE references 2018-01-16 15:01:33 -05:00
xfrm_replay.c xfrm: Add ESN support for IPSec HW offload 2018-01-18 10:42:59 +01:00
xfrm_state.c xfrm: Refuse to insert 32 bit userspace socket policies on 64 bit systems 2018-02-02 09:23:23 +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_user: uncoditionally validate esn replay attribute struct 2018-02-13 09:12:09 +01:00