syzbot


general protection fault in rt6_fill_node
Status: fixed on 2020/11/16 12:12
Reported-by: syzbot+81af6e9b3c4b8bc874f8@syzkaller.appspotmail.com
Fix commit: eeaac3634ee0 net: nexthop: don't allow empty NHA_GROUP
First crash: 519d, last: 519d

Cause bisection: introduced by (bisect log) :
commit 867d03bc238f62fcd28f287b9da8af5e483baeab
Author: Robert Hancock <hancock@sedsystems.ca>
Date: Thu Jun 6 22:28:14 2019 +0000

  net: axienet: Add DMA registers to ethtool register dump

Crash: general protection fault in batadv_iv_ogm_queue_add (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) :
commit eeaac3634ee0e3f35548be35275efeca888e9b23
Author: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Date: Sat Aug 22 12:06:36 2020 +0000

  net: nexthop: don't allow empty NHA_GROUP

Patch testing requests:
Created Duration User Patch Repo Result
2020/09/02 05:13 17m anant.thazhemadam@gmail.com https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master OK

Sample crash report:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2020/08/23 20:56 upstream c3d8f220d012 cef5ae68 .config log report syz C
ci-upstream-kasan-gce-root 2020/08/23 19:23 upstream c3d8f220d012 cef5ae68 .config log report syz C
ci-upstream-net-kasan-gce 2020/08/23 17:48 net-next d7223aa58671 cef5ae68 .config log report syz C