syzbot


KASAN: slab-out-of-bounds Read in ip_icmp_error
Status: fixed on 2020/07/17 17:58
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 23917494 tcp: tcp_v4_err() icmp skb is named icmp_skb
First crash: 389d, last: 389d

Cause bisection: introduced by (bisect log) :
commit 45af29ca761c275e350cca659856bc56f1035ef9
Author: Eric Dumazet <edumazet@google.com>
Date: Sun May 24 18:00:02 2020 +0000

  tcp: allow traceroute -Mtcp for unpriv users

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

Sample crash report:

Crashes (13):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-kasan-gce 2020/05/26 21:36 net-next d52caf04 9072c126 .config log report syz C
ci-upstream-net-kasan-gce 2020/05/26 21:16 net-next d52caf04 9072c126 .config log report syz C
ci-upstream-net-kasan-gce 2020/05/26 18:48 net-next d52caf04 8ca3b7d2 .config log report syz C
ci-upstream-net-kasan-gce 2020/05/26 18:24 net-next d52caf04 8ca3b7d2 .config log report syz C
ci-upstream-net-kasan-gce 2020/05/26 15:28 net-next d52caf04 8ca3b7d2 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/05/27 06:00 linux-next b0523c7b 9072c126 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/05/27 03:49 linux-next b0523c7b 9072c126 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/05/27 03:34 linux-next b0523c7b 9072c126 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/05/27 02:31 linux-next b0523c7b 9072c126 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/05/27 01:41 linux-next b0523c7b 9072c126 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/05/27 01:16 linux-next b0523c7b 9072c126 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/05/26 16:47 linux-next b0523c7b 8ca3b7d2 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/05/26 14:50 linux-next b0523c7b 8ca3b7d2 .config log report syz C