syzbot


WARNING in kcm_write_msgs
Status: upstream: reported C repro on 2020/03/19 07:10
Reported-by: syzbot+52624bdfbf2746d37d70@syzkaller.appspotmail.com
First crash: 119d, last: 5d12h

Cause bisection: the bug happens on the oldest tested release
Crash: WARNING in sysfs_warn_dup (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.14 WARNING in kcm_write_msgs C fix 1 31d 91d 0/1 upstream: reported C repro on 2020/04/12 04:13
linux-4.19 WARNING in kcm_write_msgs C 1 14d 104d 0/1 upstream: reported C repro on 2020/03/30 19:34

Sample crash report:

Crashes (38):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-smack-root 2020/04/20 19:40 upstream ae83d0b4 347a5dc3 .config log report syz C andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-kasan-gce-root 2020/04/19 02:11 upstream 90280eaa 365fba24 .config log report syz C allison@lohutok.net, andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-this-kasan-gce 2020/03/26 00:43 net 919a23e9 41f049cc .config log report syz C andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, gregkh@linuxfoundation.org, jonathan.lemon@gmail.com, jslaby@suse.cz, kafai@fb.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-kasan-gce 2020/03/25 23:53 net-next 29f3490b 41f049cc .config log report syz C andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, jslaby@suse.cz, kafai@fb.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-kasan-gce 2020/05/05 17:52 upstream 47cf1b42 4b76dd25 .config log report allison@lohutok.net, andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-kasan-gce-selinux-root 2020/04/02 21:57 upstream 7be97138 a34e2c33 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-this-kasan-gce 2020/07/07 11:02 net 1ca0fafd 51095195 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-this-kasan-gce 2020/06/24 07:55 net b835a71e 54566aff .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-this-kasan-gce 2020/06/07 23:34 net 4e2905ad 2c2b926c .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-this-kasan-gce 2020/06/07 21:45 net 4e2905ad 2c2b926c .config log report allison@lohutok.net, andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, gregkh@linuxfoundation.org, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-this-kasan-gce 2020/05/31 07:03 net 05aa69e5 6f3e1c7c .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, gregkh@linuxfoundation.org, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-this-kasan-gce 2020/05/23 21:58 net d04322a0 9682898d .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-this-kasan-gce 2020/05/04 04:32 net 57c7f2bd 58ae5e18 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, gregkh@linuxfoundation.org, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-this-kasan-gce 2020/05/03 02:24 net dc30b405 5457883a .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, gregkh@linuxfoundation.org, info@metux.net, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-this-kasan-gce 2020/05/01 23:46 net 69422a7e bc734e7a .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kstewart@linuxfoundation.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-this-kasan-gce 2020/04/30 05:13 net 98123074 2dd552a5 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, info@metux.net, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-this-kasan-gce 2020/04/26 11:01 net 167ff131 99b258dd .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kstewart@linuxfoundation.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-this-kasan-gce 2020/04/20 03:45 net 9bacd256 9f7c6d12 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, info@metux.net, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-this-kasan-gce 2020/04/18 23:21 net 441870ee 365fba24 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, info@metux.net, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-this-kasan-gce 2020/03/15 04:32 net 94b18a87 749688d2 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, info@metux.net, jonathan.lemon@gmail.com, jslaby@suse.cz, kafai@fb.com, kstewart@linuxfoundation.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-kasan-gce 2020/07/02 01:07 net-next 2b04a661 39acb39d .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, willy@infradead.org, yhs@fb.com
ci-upstream-net-kasan-gce 2020/06/19 19:53 net-next cb8e59cc 81abc331 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, willy@infradead.org, yhs@fb.com
ci-upstream-net-kasan-gce 2020/06/07 12:24 net-next cb8e59cc 2c2b926c .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kstewart@linuxfoundation.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-kasan-gce 2020/05/29 20:27 net-next 394f9ebf 3905eaae .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, gregkh@linuxfoundation.org, info@metux.net, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-kasan-gce 2020/05/25 22:51 net-next 06ec313e 30927cd7 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, gregkh@linuxfoundation.org, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-kasan-gce 2020/05/17 16:58 net-next d53b1162 37bccd4e .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-kasan-gce 2020/05/14 16:51 net-next 6545be82 2d572622 .config log report allison@lohutok.net, andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, gregkh@linuxfoundation.org, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-kasan-gce 2020/05/12 11:28 net-next 3242956b 160c7698 .config log report allison@lohutok.net, andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, info@metux.net, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-kasan-gce 2020/05/07 13:37 net-next 3793faad 98cbd87b .config log report allison@lohutok.net, andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-kasan-gce 2020/05/03 04:23 net-next 115506fe 5457883a .config log report allison@lohutok.net, andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-kasan-gce 2020/04/26 13:08 net-next 6033cebd 99b258dd .config log report allison@lohutok.net, andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-kasan-gce 2020/04/22 20:55 net-next b86a0373 2e44d63e .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, gregkh@linuxfoundation.org, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kstewart@linuxfoundation.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-kasan-gce 2020/04/20 10:41 net-next 0fde6e3b 9f7c6d12 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, info@metux.net, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-kasan-gce 2020/04/19 09:19 net-next 513a24ff 365fba24 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, gregkh@linuxfoundation.org, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-kasan-gce 2020/04/18 06:52 net-next 2fcd8014 435c6d53 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-kasan-gce 2020/04/15 07:11 net-next 63bef48f 3f3c5574 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, samitolvanen@google.com, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-kasan-gce 2020/03/30 08:58 net-next 41b14502 05736b29 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, jslaby@suse.cz, kafai@fb.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com
ci-upstream-net-kasan-gce 2020/03/25 22:48 net-next 29f3490b 41f049cc .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, jslaby@suse.cz, kafai@fb.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, tglx@linutronix.de, willy@infradead.org, yhs@fb.com