syzbot


WARNING in rtnl_dellink
Status: upstream: reported C repro on 2020/08/19 15:04
Reported-by: syzbot+b3b5c64f4880403edd36@syzkaller.appspotmail.com
First crash: 155d, last: 3d13h

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in sysfs_warn_dup (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in rtnl_dellink C error 1 125d 155d 0/1 upstream: reported C repro on 2020/08/17 07:56
linux-4.14 WARNING in rtnl_dellink C error 1 125d 155d 0/1 upstream: reported C repro on 2020/08/17 04:45

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info
ci-upstream-kasan-gce 2020/12/07 15:09 upstream 0477e928 6436ce4b .config log report syz C
ci-upstream-kasan-gce 2020/11/07 06:09 upstream 659caaf6 6436ce4b .config log report syz C
ci-upstream-kasan-gce 2020/10/08 00:26 upstream c85fb28b 6436ce4b .config log report syz C
Crashes (17):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce 2020/08/22 03:39 upstream cd02217a 6436ce4b .config log report syz C andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hawk@kernel.org, jiri@mellanox.com, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, roopa@cumulusnetworks.com, songliubraving@fb.com, yhs@fb.com
ci-upstream-kasan-gce-root 2020/08/19 11:16 upstream 18445bf4 e1c29030 .config log report syz C andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hawk@kernel.org, jiri@mellanox.com, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, roopa@cumulusnetworks.com, songliubraving@fb.com, yhs@fb.com
ci-upstream-kasan-gce-selinux-root 2020/08/17 22:05 upstream 9123e3a7 424dd8e7 .config log report syz C andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hawk@kernel.org, jiri@mellanox.com, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, roopa@cumulusnetworks.com, songliubraving@fb.com, yhs@fb.com
ci-upstream-kasan-gce-smack-root 2020/08/17 07:47 upstream 2cc3c4b3 424dd8e7 .config log report syz C andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hawk@kernel.org, jiri@mellanox.com, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, roopa@cumulusnetworks.com, songliubraving@fb.com, yhs@fb.com
ci-upstream-net-this-kasan-gce 2020/08/17 00:47 net 4ca0d9ac 424dd8e7 .config log report syz C andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hawk@kernel.org, jiri@mellanox.com, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, roopa@cumulusnetworks.com, songliubraving@fb.com, yhs@fb.com
ci-upstream-net-kasan-gce 2020/08/17 11:38 net-next 7fca4dee 424dd8e7 .config log report syz C andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hawk@kernel.org, jiri@mellanox.com, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, roopa@cumulusnetworks.com, songliubraving@fb.com, yhs@fb.com
ci-upstream-kasan-gce 2020/09/01 12:54 upstream b51594df d5a3ae1f .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hawk@kernel.org, jiri@mellanox.com, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, roopa@cumulusnetworks.com, songliubraving@fb.com, yhs@fb.com
ci-upstream-net-this-kasan-gce 2021/01/09 16:43 net c49243e8 2c1f2513 .config log report info andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hawk@kernel.org, john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, roopa@cumulusnetworks.com, songliubraving@fb.com, yhs@fb.com
ci-upstream-net-this-kasan-gce 2021/01/04 14:24 net 4bfc4714 79264ae3 .config log report info andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hawk@kernel.org, john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, roopa@cumulusnetworks.com, songliubraving@fb.com, yhs@fb.com
ci-upstream-net-this-kasan-gce 2021/01/04 01:18 net 4bfc4714 79264ae3 .config log report info andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hawk@kernel.org, john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, roopa@cumulusnetworks.com, songliubraving@fb.com, yhs@fb.com
ci-upstream-net-this-kasan-gce 2021/01/03 22:39 net 4bfc4714 79264ae3 .config log report info andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hawk@kernel.org, john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, roopa@cumulusnetworks.com, songliubraving@fb.com, yhs@fb.com
ci-upstream-net-this-kasan-gce 2021/01/03 14:05 net 4bfc4714 79264ae3 .config log report info andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hawk@kernel.org, john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, roopa@cumulusnetworks.com, songliubraving@fb.com, yhs@fb.com
ci-upstream-net-this-kasan-gce 2021/01/03 08:27 net 4bfc4714 79264ae3 .config log report info andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hawk@kernel.org, john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, roopa@cumulusnetworks.com, songliubraving@fb.com, yhs@fb.com
ci-upstream-net-this-kasan-gce 2020/12/14 14:26 net 7f376f19 97183ed7 .config log report info andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hawk@kernel.org, john.fastabend@gmail.com, jwi@linux.ibm.com, kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, roopa@cumulusnetworks.com, songliubraving@fb.com, yhs@fb.com, zhudi21@huawei.com
ci-upstream-net-this-kasan-gce 2020/12/11 12:50 net d9838b1d ba24ffcd .config log report info andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hawk@kernel.org, john.fastabend@gmail.com, jwi@linux.ibm.com, kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, roopa@cumulusnetworks.com, songliubraving@fb.com, yhs@fb.com, zhudi21@huawei.com
ci-upstream-net-this-kasan-gce 2020/08/16 22:53 net 4ca0d9ac 424dd8e7 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hawk@kernel.org, jiri@mellanox.com, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, roopa@cumulusnetworks.com, songliubraving@fb.com, yhs@fb.com
ci-upstream-net-kasan-gce 2021/01/15 22:16 net-next 1d9f03c0 65a7a854 .config log report info andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hawk@kernel.org, john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, roopa@cumulusnetworks.com, songliubraving@fb.com, yhs@fb.com