On Wed, Mar 20, 2019 at 1:49 AM syzbot <syzbot+d89b30c46434c433dbf8@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > syzbot has bisected this bug to: > > commit b8a51b38e4d4dec3e379d52c0fe1a66827f7cf1e > Author: Stefano Brivio <sbrivio@xxxxxxxxxx> > Date: Thu Nov 8 11:19:23 2018 +0000 > > fou, fou6: ICMP error handlers for FoU and GUE > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14a57f83200000 > start commit: b8a51b38 fou, fou6: ICMP error handlers for FoU and GUE > git tree: net-next > console output: https://syzkaller.appspot.com/x/log.txt?x=12a57f83200000 > kernel config: https://syzkaller.appspot.com/x/.config?x=c36a72af2123e78a > dashboard link: https://syzkaller.appspot.com/bug?extid=d89b30c46434c433dbf8 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=170f6a47400000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12e1df7b400000 > > Reported-by: syzbot+d89b30c46434c433dbf8@xxxxxxxxxxxxxxxxxxxxxxxxx > Fixes: b8a51b38 ("fou, fou6: ICMP error handlers for FoU and GUE") That commit caused lots of crashes that look completely differently. Now all that is fixed. The last crash for this bugs happened 2+ months ago. So let's just do: #syz fix: fou: Prevent unbounded recursion in GUE error handler also with UDP-Lite
