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| author | Shreyansh Chouhan <chouhan.shreyansh630@gmail.com> | 2021-08-21 12:44:24 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-08-22 21:24:40 +0100 |
| commit | 1d011c4803c72f3907eccfc1ec63caefb852fcbf (patch) | |
| tree | 4a1f5079a0345baaee566ad60dc134fb3be704d5 /security | |
| parent | 12d125b4574bd7f602802d94d7b4a55d85aa8e25 (diff) | |
ip_gre: add validation for csum_start
Validate csum_start in gre_handle_offloads before we call _gre_xmit so
that we do not crash later when the csum_start value is used in the
lco_csum function call.
This patch deals with ipv4 code.
Fixes: c54419321455 ("GRE: Refactor GRE tunneling code.")
Reported-by: syzbot+ff8e1b9f2f36481e2efc@syzkaller.appspotmail.com
Signed-off-by: Shreyansh Chouhan <chouhan.shreyansh630@gmail.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'security')
0 files changed, 0 insertions, 0 deletions