xfrm: Fix xfrm_input() to verify state is valid when (encap_type < 0)

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[ Upstream commit 4ce3dbe397 ]

Code path when (encap_type < 0) does not verify the state is valid
before progressing.

This will result in a crash if, for instance, x->km.state ==
XFRM_STATE_ACQ.

Fixes: 7785bba299 ("esp: Add a software GRO codepath")
Signed-off-by: Aviv Heller <avivh@mellanox.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@mellanox.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Aviv Heller 2017-11-28 19:55:40 +02:00 • committed by Greg Kroah-Hartman

parent 05fc2b8ba0

commit c232fd3d70

1 changed files with 11 additions and 1 deletions

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net/xfrm/xfrm_input.c

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