syzbot


KASAN: null-ptr-deref Write in l2cap_chan_put
Status: upstream: reported syz repro on 2020/08/08 09:46
Reported-by: syzbot+452e9465a3b2817fa4c2@syzkaller.appspotmail.com
First crash: 51d, last: 2d19h

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in sysfs_warn_dup (log)
Repro: syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2020/09/06 08:00 10m anant.thazhemadam@gmail.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master report log
2020/09/02 05:15 10m anant.thazhemadam@gmail.com https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master report log

Sample crash report:

Crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-root 2020/09/05 20:38 upstream c70672d8 abf9ba4f .config log report syz 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
ci-upstream-kasan-gce-selinux-root 2020/08/08 09:27 upstream 5631c5e0 ff51e522 .config log report syz 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
ci-upstream-kasan-gce-smack-root 2020/08/08 09:20 upstream 5631c5e0 ff51e522 .config log report syz 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
ci-upstream-linux-next-kasan-gce-root 2020/09/08 14:46 linux-next 7a695657 abf9ba4f .config log report syz 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
ci-upstream-net-kasan-gce 2020/09/26 09:54 net-next 6fba737a 4a006f63 .config log report info 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