Re: BUG: unable to handle kernel paging request in free_block (5)

From: syzbot
Date: Thu Apr 18 2019 - 05:59:03 EST


syzbot has bisected this bug to:

commit 52dfae5c85a4c1078e9f1d5e8947d4a25f73dd81
Author: Jon Maloy <jon.maloy@xxxxxxxxxxxx>
Date: Thu Mar 22 19:42:52 2018 +0000

tipc: obtain node identity from interface by default

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15065bdd200000
start commit: e6986423 socket: fix compat SO_RCVTIMEO_NEW/SO_SNDTIMEO_NEW
git tree: net
final crash: https://syzkaller.appspot.com/x/report.txt?x=17065bdd200000
console output: https://syzkaller.appspot.com/x/log.txt?x=13065bdd200000
kernel config: https://syzkaller.appspot.com/x/.config?x=4fb64439e07a1ec0
dashboard link: https://syzkaller.appspot.com/bug?extid=438a5abd4f53adb1c073
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12adddbf200000

Reported-by: syzbot+438a5abd4f53adb1c073@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 52dfae5c85a4 ("tipc: obtain node identity from interface by default")

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