Re: KASAN: stack-out-of-bounds Read in xfrm_state_find (5)

From: syzbot
Date: Thu Nov 07 2019 - 08:42:25 EST


syzbot suspects this bug was fixed by commit:

commit 32bf94fb5c2ec4ec842152d0e5937cd4bb6738fa
Author: Sean Tranchetti <stranche@xxxxxxxxxxxxxx>
Date: Wed Sep 19 19:54:56 2018 +0000

xfrm: validate template mode

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1090f0a6600000
start commit: 10b84dad Merge branch 'perf-urgent-for-linus' of git://git..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=d9b0d91297e224bc
dashboard link: https://syzkaller.appspot.com/bug?extid=d90468452f685a0b28eb
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1231c30b800000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17c1c37b800000

If the result looks correct, please mark the bug fixed by replying with:

#syz fix: xfrm: validate template mode

For information about bisection process see: https://goo.gl/tpsmEJ#bisection