syzbot


BUG: unable to handle kernel NULL pointer dereference in llcp_sock_getname
Status: closed as invalid on 2020/09/28 07:57
Reported-by: syzbot+@syzkaller.appspotmail.com
First crash: 642d, last: 468d

Cause bisection: introduced by (bisect log) :
commit a0c2dc1fe63e2869b74c1c7f6a81d1745c8a695d
Author: Eric Dumazet <edumazet@google.com>
Date: Fri Oct 4 18:08:34 2019 +0000

  nfc: fix memory leak in llcp_sock_bind()

Crash: KASAN: null-ptr-deref Read in llcp_sock_getname (log)
Repro: C syz .config

Fix bisection: failed (bisect log)

Sample crash report:

Crashes (11):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2019/11/07 07:36 upstream 4dd58158254c d797d201 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/10/28 20:28 upstream 9e5eefba3d09 439d7b14 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/10/27 23:14 upstream d6d5df1db6e9 25bb509e .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/10/26 12:19 upstream 8caacaad78b6 413926c5 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/10/25 07:59 upstream 39a38bcba4ab d01bb02a .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/12/14 12:51 linux-next 32b8acf85223 eef6e580 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/11/23 08:35 linux-next b9d3d0140506 598ca6c8 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/11/10 07:00 linux-next 5591cf003452 dc438b91 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/11/09 13:32 linux-next 5591cf003452 dc438b91 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/11/08 06:55 linux-next c68c5373c504 f39aff9e .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/11/05 23:36 linux-next 51309b9d73f5 0f3ec414 .config log report syz C