syzbot


KASAN: use-after-free Write in refcount_warn_saturate
Status: upstream: reported C repro on 2020/02/28 07:50
Reported-by: syzbot+7dd7f2f77a7a01d1dc14@syzkaller.appspotmail.com
First crash: 135d, last: 45d

Cause bisection: the bug happens on the oldest tested release
Crash: WARNING in sysfs_warn_dup (log)
Repro: C syz .config

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro
ci-upstream-kasan-gce-386 2020/05/28 06:34 upstream b0c3ba31 59b57593 .config log report syz C
ci-upstream-kasan-gce-386 2020/04/28 06:07 upstream 51184ae3 59b57593 .config log report syz C
ci-upstream-kasan-gce-386 2020/03/29 05:45 upstream e595dd94 59b57593 .config log report syz C
Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-386 2020/02/28 05:25 upstream f8788d86 59b57593 .config log report syz C davem@davemloft.net, johan.hedberg@gmail.com, kuba@kernel.org, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org