On Fri, Jul 19, 2019 at 1:56 PM syzbot <syzbot+08b7a2c58acdfa12c82d@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > syzbot has bisected this bug to: > > commit 9343ac87f2a4e09bf6e27b5f31e72e9e3a82abff > Author: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx> > Date: Mon Jun 25 14:07:15 2018 +0000 > > net: lan78xx: Use s/w csum check on VLANs without tag stripping > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=102feb84600000 > start commit: 49d05fe2 ipv6: rt6_check should return NULL if 'from' is N.. > git tree: net > final crash: https://syzkaller.appspot.com/x/report.txt?x=122feb84600000 > console output: https://syzkaller.appspot.com/x/log.txt?x=142feb84600000 > kernel config: https://syzkaller.appspot.com/x/.config?x=87305c3ca9c25c70 > dashboard link: https://syzkaller.appspot.com/bug?extid=08b7a2c58acdfa12c82d > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=143a78f4600000 > > Reported-by: syzbot+08b7a2c58acdfa12c82d@xxxxxxxxxxxxxxxxxxxxxxxxx > Fixes: 9343ac87f2a4 ("net: lan78xx: Use s/w csum check on VLANs without tag > stripping") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection >From the repro it looks like the same bpf stack overflow bug. +John We need to dup them onto some canonical report for this bug, or this becomes unmanageable. #syz dup: kernel panic: corrupted stack end in dput
