syzbot


WARNING: refcount bug in qrtr_node_lookup
Status: upstream: reported C repro on 2020/09/07 21:18
Reported-by: syzbot+c613e88b3093ebf3686e@syzkaller.appspotmail.com
First crash: 23d, last: 2d22h

Cause bisection: introduced by (bisect log):

commit e42671084361302141a09284fde9bbc14fdd16bf
Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Date: Thu May 7 12:53:06 2020 +0000

  net: qrtr: Do not depend on ARCH_QCOM

Crash: WARNING: refcount bug in qrtr_node_lookup (log)
Repro: C syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2020/09/08 20:06 17m anant.thazhemadam@gmail.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master OK
2020/09/08 19:58 17m dragonjetli@gmail.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master OK
2020/09/08 19:58 18m dragonjetli@gmail.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master OK
2020/09/08 10:26 17m dragonjetli@gmail.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master OK

Sample crash report:

Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-smack-root 2020/09/21 18:28 upstream ba4f184e 9e1fa68e .config log report syz C bjorn.andersson@linaro.org, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, manivannan.sadhasivam@linaro.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2020/09/06 04:04 upstream 9322c47b abf9ba4f .config log report syz C bjorn.andersson@linaro.org, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, manivannan.sadhasivam@linaro.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2020/09/26 06:29 upstream 7c7ec322 4a006f63 .config log report info bjorn.andersson@linaro.org, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, manivannan.sadhasivam@linaro.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2020/09/20 01:42 upstream eb5f95f1 53ce8104 .config log report info bjorn.andersson@linaro.org, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, manivannan.sadhasivam@linaro.org, netdev@vger.kernel.org