syzbot


WARNING: suspicious RCU usage in ctrl_cmd_new_lookup
Status: upstream: reported C repro on 2020/06/25 07:29
Reported-by: syzbot+3025b9294f8cb0ede850@syzkaller.appspotmail.com
First crash: 91d, last: 2d03h

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: suspicious RCU usage in ctrl_cmd_new_lookup (log)
Repro: C syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2020/09/08 20:07 10m anant.thazhemadam@gmail.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master report log
2020/09/08 20:04 16m anant.thazhemadam@gmail.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master OK
2020/09/08 20:04 18m anant.thazhemadam@gmail.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master OK

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info
ci-upstream-kasan-gce-selinux-root 2020/08/28 04:27 upstream 15bc20c6 54566aff .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/07/28 16:59 upstream 92ed3019 54566aff .config log report syz C
Crashes (10):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-selinux-root 2020/06/25 03:57 upstream 7ae77150 54566aff .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-root 2020/06/25 03:47 upstream 7ae77150 54566aff .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 2020/06/25 03:14 upstream 7ae77150 54566aff .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-386 2020/06/25 03:55 upstream 7ae77150 54566aff .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-linux-next-kasan-gce-root 2020/06/25 03:45 linux-next e7b08814 54566aff .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 2020/07/29 03:32 upstream 6ba1b005 cb93dc6a .config log report 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 2020/06/27 16:31 upstream 1590a2e1 ffec44b5 .config log report 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 2020/06/25 02:44 upstream 7ae77150 54566aff .config log report bjorn.andersson@linaro.org, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, manivannan.sadhasivam@linaro.org, netdev@vger.kernel.org
ci-qemu-upstream-386 2020/09/03 19:02 upstream e28f0104 abf9ba4f .config log report 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-linux-next-kasan-gce-root 2020/09/22 08:55 linux-next b10b8ad8 9e1fa68e .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