syzbot


divide error in encrypt_packet
Status: fixed on 2020/04/15 17:19
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 175f1ca9a9ed wireguard: send: account for mtu=0 devices
First crash: 664d, last: 655d

Cause bisection: introduced by (bisect log) :
commit e7096c131e5161fa3b8e52a650d7719d2857adfd
Author: Jason A. Donenfeld <Jason@zx2c4.com>
Date: Sun Dec 8 23:27:34 2019 +0000

  net: WireGuard secure network tunnel

Crash: divide error in encrypt_packet (log)
Repro: C syz .config

Sample crash report:

Crashes (89):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2020/02/19 11:38 upstream 0a44cac81050 135c18aa .config log report syz C
ci-upstream-kasan-gce-root 2020/02/17 20:14 upstream 11a48a5a18c6 2b411596 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/02/16 17:16 upstream db70e26e33ee cf914200 .config log report syz C
ci-upstream-kasan-gce 2020/02/16 13:15 upstream db70e26e33ee cf914200 .config log report syz C
ci-upstream-kasan-gce-root 2020/02/15 10:45 upstream 2019fc96af22 5d7b90f1 .config log report syz C
ci-upstream-kasan-gce 2020/02/14 02:56 upstream 0bf999f9c5e7 c5ed587f .config log report syz C
ci-upstream-kasan-gce-386 2020/02/16 06:42 upstream 829e69446995 5d7b90f1 .config log report syz C
ci-upstream-kasan-gce-386 2020/02/14 04:51 upstream 0bf999f9c5e7 c5ed587f .config log report syz C
ci-upstream-net-this-kasan-gce 2020/02/16 02:56 net 2019fc96af22 5d7b90f1 .config log report syz C
ci-upstream-net-kasan-gce 2020/02/16 03:55 net-next 2019fc96af22 5d7b90f1 .config log report syz C
ci-upstream-kasan-gce-root 2020/02/21 18:49 upstream ca7e1fd1026c bd2a74a3 .config log report
ci-upstream-kasan-gce 2020/02/18 19:48 upstream b1da3acc781c 012fbc32 .config log report
ci-upstream-kasan-gce 2020/02/18 17:46 upstream b1da3acc781c 012fbc32 .config log report
ci-upstream-kasan-gce-selinux-root 2020/02/18 17:44 upstream b1da3acc781c 012fbc32 .config log report
ci-upstream-kasan-gce-root 2020/02/18 17:44 upstream b1da3acc781c 012fbc32 .config log report
ci-upstream-kasan-gce-selinux-root 2020/02/17 22:20 upstream 11a48a5a18c6 2b411596 .config log report
ci-upstream-kasan-gce-selinux-root 2020/02/17 20:17 upstream 11a48a5a18c6 2b411596 .config log report
ci-upstream-kasan-gce 2020/02/17 19:58 upstream 11a48a5a18c6 2b411596 .config log report
ci-upstream-kasan-gce 2020/02/17 19:56 upstream 11a48a5a18c6 2b411596 .config log report
ci-upstream-kasan-gce-selinux-root 2020/02/17 19:56 upstream 11a48a5a18c6 2b411596 .config log report
ci-upstream-kasan-gce-root 2020/02/17 17:49 upstream 11a48a5a18c6 2b411596 .config log report
ci-upstream-kasan-gce-root 2020/02/16 19:20 upstream db70e26e33ee cf914200 .config log report
ci-upstream-kasan-gce 2020/02/15 16:41 upstream 2019fc96af22 5d7b90f1 .config log report
ci-upstream-kasan-gce 2020/02/14 00:27 upstream 0bf999f9c5e7 c5ed587f .config log report
ci-upstream-kasan-gce-386 2020/02/21 21:57 upstream ca7e1fd1026c 2ffa6679 .config log report
ci-upstream-kasan-gce-386 2020/02/20 15:41 upstream ca7e1fd1026c 81230308 .config log report
ci-upstream-kasan-gce-386 2020/02/18 18:04 upstream b1da3acc781c 012fbc32 .config log report
ci-upstream-kasan-gce-386 2020/02/17 20:20 upstream 11a48a5a18c6 2b411596 .config log report
ci-upstream-net-this-kasan-gce 2020/02/17 20:13 net 0d4597c8c5ab 2b411596 .config log report
ci-upstream-net-this-kasan-gce 2020/02/17 19:54 net 0d4597c8c5ab 2b411596 .config log report
ci-upstream-net-this-kasan-gce 2020/02/16 05:23 net 2019fc96af22 5d7b90f1 .config log report
ci-upstream-net-this-kasan-gce 2020/02/15 20:20 net 2019fc96af22 5d7b90f1 .config log report
ci-upstream-net-kasan-gce 2020/02/22 09:47 net-next 5f9721a2d119 2ffa6679 .config log report
ci-upstream-net-kasan-gce 2020/02/22 07:28 net-next 5f9721a2d119 2ffa6679 .config log report
ci-upstream-net-kasan-gce 2020/02/22 00:23 net-next 5f9721a2d119 2ffa6679 .config log report
ci-upstream-net-kasan-gce 2020/02/21 20:11 net-next 5f9721a2d119 2ffa6679 .config log report
ci-upstream-net-kasan-gce 2020/02/20 21:31 net-next 2e92a2d0e450 bd2a74a3 .config log report
ci-upstream-net-kasan-gce 2020/02/20 09:34 net-next 2bb07f4e1d86 81230308 .config log report
ci-upstream-net-kasan-gce 2020/02/19 12:40 net-next 00796b929ce8 135c18aa .config log report
ci-upstream-net-kasan-gce 2020/02/18 20:27 net-next b182a66792fe 012fbc32 .config log report
ci-upstream-net-kasan-gce 2020/02/18 19:47 net-next b182a66792fe 012fbc32 .config log report
ci-upstream-net-kasan-gce 2020/02/17 20:14 net-next ce7805513d90 2b411596 .config log report
ci-upstream-net-kasan-gce 2020/02/17 19:54 net-next ce7805513d90 2b411596 .config log report
ci-upstream-net-kasan-gce 2020/02/17 19:53 net-next ce7805513d90 2b411596 .config log report
ci-upstream-net-kasan-gce 2020/02/17 05:05 net-next 2019fc96af22 1f448cd6 .config log report
ci-upstream-net-kasan-gce 2020/02/16 06:45 net-next 2019fc96af22 5d7b90f1 .config log report
ci-upstream-net-kasan-gce 2020/02/14 20:51 net-next fdfa3a6778b1 5d7b90f1 .config log report
ci-upstream-net-kasan-gce 2020/02/14 03:59 net-next fdfa3a6778b1 c5ed587f .config log report
ci-upstream-net-kasan-gce 2020/02/14 02:48 net-next fdfa3a6778b1 c5ed587f .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/17 19:58 linux-next c25a951c50dc 2b411596 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/17 19:58 linux-next c25a951c50dc 2b411596 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/15 17:06 linux-next 9f01828e9e16 5d7b90f1 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/15 00:30 linux-next 9f01828e9e16 5d7b90f1 .config log report