syzbot


WARNING: refcount bug in __sk_destruct
Status: upstream: reported C repro on 2020/03/02 01:33
Reported-by: syzbot+dd803bc0e8adf0003261@syzkaller.appspotmail.com
First crash: 573d, last: 424d

Cause bisection: introduced by (bisect log) :
commit 14215108a1fd7e002c0a1f9faf8fbaf41fdda50d
Author: Cong Wang <xiyou.wangcong@gmail.com>
Date: Thu Feb 21 05:37:42 2019 +0000

  net_sched: initialize net pointer inside tcf_exts_init()

Crash: WARNING in ex_handler_refcount (log)
Repro: C syz .config

Fix bisection: failed (bisect log)

Sample crash report:

Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-qemu-upstream 2020/03/17 15:39 upstream fb33c6510d55 749688d2 .config log report syz C
ci-qemu-upstream-386 2020/06/07 04:39 upstream 435faf5c218a e6b89e4e .config log report syz C
ci-upstream-net-kasan-gce 2020/01/23 18:19 net-next fd786fb1d2ca 3334d684 .config log report syz C
ci-upstream-net-this-kasan-gce 2020/01/10 13:42 net e267371dd376 4de4e9f0 .config log report