syzbot


KASAN: null-ptr-deref Read in refcount_sub_and_test_checked
Status: fixed on 2018/11/12 21:25
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: fda21d46cce2 ipv6: do not leave garbage in rt->fib6_metrics
First crash: 1114d, last: 1083d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: null-ptr-deref Read in refcount_sub_and_test_checked (2) C inconclusive done 916 872d 1074d 16/22 fixed on 2020/02/18 10:28

Sample crash report:

Crashes (31):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2018/11/05 08:40 upstream 4710e78940d8 8bd6bd63 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2018/11/04 12:28 upstream 71e56028173b 8bd6bd63 .config log report syz C
ci-upstream-kasan-gce-root 2018/11/03 18:16 upstream 5f21585384a4 8bd6bd63 .config log report syz C
ci-upstream-kasan-gce-smack-root 2018/11/03 14:22 upstream 5f21585384a4 8bd6bd63 .config log report syz C
ci-upstream-kasan-gce 2018/11/03 05:53 upstream 8adcc59974b8 8bd6bd63 .config log report syz C
ci-upstream-kasan-gce 2018/11/02 01:20 upstream 5b7449810ae6 1f38e9ae .config log report syz C
ci-upstream-kasan-gce-root 2018/11/02 01:01 upstream 5b7449810ae6 1f38e9ae .config log report syz C
ci-upstream-kasan-gce-selinux-root 2018/11/01 11:20 upstream 59fc453b21f7 1f38e9ae .config log report syz C
ci-upstream-kasan-gce-386 2018/11/03 05:02 upstream 8adcc59974b8 8bd6bd63 .config log report syz C
ci-upstream-kasan-gce-386 2018/11/01 19:49 upstream 5b7449810ae6 1f38e9ae .config log report syz C
ci-upstream-net-kasan-gce 2018/10/05 07:33 net-next 2970f2a8e941 8b311eaf .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2018/11/03 12:01 linux-next 25e9471b6a27 8bd6bd63 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2018/11/01 18:51 linux-next 4db9d11bcbef 1f38e9ae .config log report syz C
ci-upstream-net-kasan-gce 2018/10/05 18:35 net-next 2970f2a8e941 8b311eaf .config log report
ci-upstream-net-kasan-gce 2018/10/05 18:33 net-next 2970f2a8e941 8b311eaf .config log report
ci-upstream-net-kasan-gce 2018/10/05 16:28 net-next 2970f2a8e941 8b311eaf .config log report
ci-upstream-net-kasan-gce 2018/10/05 13:02 net-next 2970f2a8e941 8b311eaf .config log report
ci-upstream-net-kasan-gce 2018/10/05 12:23 net-next 2970f2a8e941 8b311eaf .config log report
ci-upstream-net-kasan-gce 2018/10/05 12:14 net-next 2970f2a8e941 8b311eaf .config log report
ci-upstream-net-kasan-gce 2018/10/05 10:10 net-next 2970f2a8e941 8b311eaf .config log report
ci-upstream-net-kasan-gce 2018/10/05 07:24 net-next 2970f2a8e941 8b311eaf .config log report
ci-upstream-net-kasan-gce 2018/10/05 07:16 net-next 2970f2a8e941 8b311eaf .config log report
ci-upstream-net-kasan-gce 2018/10/05 07:10 net-next 2970f2a8e941 8b311eaf .config log report
ci-upstream-net-kasan-gce 2018/10/05 07:09 net-next 2970f2a8e941 8b311eaf .config log report
ci-upstream-net-kasan-gce 2018/10/05 07:09 net-next 2970f2a8e941 8b311eaf .config log report
ci-upstream-net-kasan-gce 2018/10/05 07:07 net-next 2970f2a8e941 8b311eaf .config log report
ci-upstream-net-kasan-gce 2018/10/05 07:03 net-next 2970f2a8e941 8b311eaf .config log report
ci-upstream-net-kasan-gce 2018/10/05 07:02 net-next 2970f2a8e941 8b311eaf .config log report
ci-upstream-net-kasan-gce 2018/10/05 06:58 net-next 2970f2a8e941 8b311eaf .config log report
ci-upstream-net-kasan-gce 2018/10/05 06:58 net-next 2970f2a8e941 8b311eaf .config log report
ci-upstream-net-kasan-gce 2018/10/05 06:54 net-next 2970f2a8e941 8b311eaf .config log report