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SubjectRe: KASAN: use-after-free Write in __xfrm_policy_unlink
syzbot <syzbot+9d971dd21eb26567036b@syzkaller.appspotmail.com> wrote:
> syzbot has found a reproducer for the following crash on:
>
> HEAD commit: ce28bb445388 Merge git://git.kernel.org/pub/scm/linux/kern..
> git tree: net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=1673fb1b400000
> kernel config: https://syzkaller.appspot.com/x/.config?x=67a2081147a23142
> dashboard link: https://syzkaller.appspot.com/bug?extid=9d971dd21eb26567036b
> compiler: gcc (GCC) 8.0.1 20180413 (experimental)
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1134dcc7400000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=126986ed400000
>
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+9d971dd21eb26567036b@syzkaller.appspotmail.com

I've fixed this one. Chances are that at least some of the other
reports are duplicates of this one.

I will continue to look at other reports over the next few days and plan
to send out fixes and test cases next week.

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