862591bf4("xfrm: skip policies marked as dead while rehashing")

Hello,

Syzkaller has reported a crash here[1] for a slab OOB read in
xfrm_hash_rebuild.

Could the following 2 patches be applied in order to on 4.4.y?

6916fb3b10("xfrm: Ignore socket policies when rebuilding hash tables")
862591bf4f("xfrm: skip policies marked as dead while rehashing")

[1] https://syzkaller.appspot.com/bug?id=1c11a638b7d27e871aa297f3b4d5fd5bc90f0cb4

Thanks,
- Zubin

On Wed, Jun 20, 2018 at 05:42:51PM -0400, Zubin Mithra wrote:

Hello,

Syzkaller has reported a crash here[1] for a slab OOB read in
xfrm_hash_rebuild.

Could the following 2 patches be applied in order to on 4.4.y?

6916fb3b10("xfrm: Ignore socket policies when rebuilding hash tables")
862591bf4f("xfrm: skip policies marked as dead while rehashing")

[1] https://syzkaller.appspot.com/bug?id=1c11a638b7d27e871aa297f3b4d5fd5bc90f0cb4

Both now queued up, thanks.

greg k-h