syzbot


BUG: MAX_LOCKDEP_CHAINS too low! (2)
Status: upstream: reported C repro on 2020/07/21 19:23
Reported-by: syzbot+4c0c011e71ae95a85ffe@syzkaller.appspotmail.com
First crash: 24d, last: 1h35m

Cause bisection: failed (bisect log)
similar bugs (3):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.14 BUG: MAX_LOCKDEP_CHAINS too low! 323 31d 317d 0/1 upstream: reported on 2019/09/29 10:02
linux-4.19 BUG: MAX_LOCKDEP_CHAINS too low! 3200 4h30m 479d 0/1 upstream: reported on 2019/04/20 01:26
upstream BUG: MAX_LOCKDEP_CHAINS too low! C cause 17240 25d 683d 17/17 fixed on 2020/07/17 17:58

Sample crash report:

Crashes (4982):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-smack-root 2020/07/22 06:37 upstream 4fa640dc 21f1765e .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce 2020/07/22 02:31 upstream 4fa640dc 21f1765e .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce-root 2020/07/19 00:15 upstream 6a70f89c 9c812472 .config log report syz C bridge@lists.linux-foundation.org, clang-built-linux@googlegroups.com, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, nikolay@cumulusnetworks.com, roopa@cumulusnetworks.com
ci-upstream-kasan-gce-selinux-root 2020/07/18 08:02 upstream 88825726 9c812472 .config log report syz C andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, mkubecek@suse.cz, netdev@vger.kernel.org, songliubraving@fb.com, yhs@fb.com
ci-upstream-net-this-kasan-gce 2020/07/20 08:29 net a463fa2c 9c812472 .config log report syz C andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, yhs@fb.com, yoshfuji@linux-ipv6.org
ci-upstream-net-kasan-gce 2020/07/20 04:03 net-next a050d82f 9c812472 .config log report syz C davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-kasan-gce 2020/07/18 17:05 net-next a050d82f 9c812472 .config log report syz C andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, mkubecek@suse.cz, netdev@vger.kernel.org, songliubraving@fb.com, yhs@fb.com
ci-upstream-linux-next-kasan-gce-root 2020/07/18 17:48 linux-next 4c43049f 9c812472 .config log report syz C 0x7f454c46@gmail.com, akpm@linux-foundation.org, haokexin@gmail.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/08/11 09:27 upstream 00e4db51 bacaf5fa .config log report acme@kernel.org, alexander.shishkin@linux.intel.com, andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, jolsa@redhat.com, kafai@fb.com, kpsingh@chromium.org, linux-kernel@vger.kernel.org, mark.rutland@arm.com, mingo@redhat.com, namhyung@kernel.org, netdev@vger.kernel.org, peterz@infradead.org, songliubraving@fb.com, yhs@fb.com
ci-upstream-kasan-gce-root 2020/08/11 09:10 upstream 00e4db51 bacaf5fa .config log report acme@kernel.org, alexander.shishkin@linux.intel.com, andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, jolsa@redhat.com, kafai@fb.com, kpsingh@chromium.org, linux-kernel@vger.kernel.org, mark.rutland@arm.com, mingo@redhat.com, namhyung@kernel.org, netdev@vger.kernel.org, peterz@infradead.org, songliubraving@fb.com, yhs@fb.com
ci-upstream-kasan-gce-smack-root 2020/08/11 08:55 upstream 00e4db51 bacaf5fa .config log report davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, mathew.j.martineau@linux.intel.com, matthieu.baerts@tessares.net, mptcp@lists.01.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-root 2020/08/11 08:37 upstream 00e4db51 bacaf5fa .config log report keescook@chromium.org, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-selinux-root 2020/08/11 08:31 upstream 00e4db51 bacaf5fa .config log report acme@kernel.org, alexander.shishkin@linux.intel.com, andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, jolsa@redhat.com, kafai@fb.com, kpsingh@chromium.org, linux-kernel@vger.kernel.org, mark.rutland@arm.com, mingo@redhat.com, namhyung@kernel.org, netdev@vger.kernel.org, peterz@infradead.org, songliubraving@fb.com, yhs@fb.com
ci-upstream-kasan-gce-selinux-root 2020/08/11 05:16 upstream fc80c51f 7adc7b65 .config log report amir73il@gmail.com, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/08/10 18:37 upstream fc80c51f 7adc7b65 .config log report keescook@chromium.org, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/08/10 18:23 upstream fc80c51f 7adc7b65 .config log report akpm@linux-foundation.org, christian@brauner.io, keescook@chromium.org, linux-kernel@vger.kernel.org, luto@amacapital.net, tglx@linutronix.de, wad@chromium.org
ci-upstream-kasan-gce-root 2020/08/10 17:56 upstream fc80c51f 7adc7b65 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/08/10 17:44 upstream fc80c51f 7adc7b65 .config log report linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-smack-root 2020/08/10 16:48 upstream fc80c51f 70301872 .config log report davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-root 2020/08/10 01:52 upstream 9420f1ce 70301872 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, mkubecek@suse.cz, netdev@vger.kernel.org, songliubraving@fb.com, yhs@fb.com
ci-upstream-kasan-gce-root 2020/08/10 01:29 upstream 9420f1ce 70301872 .config log report akpm@linux-foundation.org, christian@brauner.io, keescook@chromium.org, linux-kernel@vger.kernel.org, luto@amacapital.net, tglx@linutronix.de, wad@chromium.org
ci-upstream-kasan-gce-smack-root 2020/08/10 01:06 upstream 9420f1ce 70301872 .config log report linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-smack-root 2020/08/10 00:56 upstream 9420f1ce 70301872 .config log report Jason@zx2c4.com, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, wireguard@lists.zx2c4.com
ci-upstream-kasan-gce-selinux-root 2020/08/09 14:49 upstream 06a81c1c 70301872 .config log report john.stultz@linaro.org, linux-kernel@vger.kernel.org, sboyd@kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/08/09 14:47 upstream 06a81c1c 70301872 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, yhs@fb.com, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce-selinux-root 2020/08/09 13:18 upstream 06a81c1c f721e4a0 .config log report davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2020/08/09 11:07 upstream 06a81c1c f721e4a0 .config log report keescook@chromium.org, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/08/09 07:16 upstream 06a81c1c f721e4a0 .config log report andreyknvl@gmail.com, balbi@kernel.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci-upstream-kasan-gce-selinux-root 2020/08/09 06:49 upstream 06a81c1c f721e4a0 .config log report john.stultz@linaro.org, linux-kernel@vger.kernel.org, sboyd@kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/08/09 06:30 upstream 06a81c1c f721e4a0 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/08/09 06:10 upstream 06a81c1c f721e4a0 .config log report john.stultz@linaro.org, linux-kernel@vger.kernel.org, sboyd@kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/08/09 06:06 upstream 06a81c1c f721e4a0 .config log report akpm@linux-foundation.org, christian@brauner.io, keescook@chromium.org, linux-kernel@vger.kernel.org, luto@amacapital.net, tglx@linutronix.de, wad@chromium.org
ci-upstream-kasan-gce 2020/07/30 14:20 upstream d3590ebf 233283a1 .config log report andrew@lunn.ch, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-386 2020/07/30 02:02 upstream d3590ebf 233283a1 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, m.szyprowski@samsung.com, noring@nocrew.org, tweek@google.com
ci-upstream-net-this-kasan-gce 2020/08/11 17:37 net 444da3f5 bacaf5fa .config log report bridge@lists.linux-foundation.org, clang-built-linux@googlegroups.com, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, nikolay@cumulusnetworks.com, roopa@cumulusnetworks.com
ci-upstream-net-this-kasan-gce 2020/08/11 17:10 net 444da3f5 bacaf5fa .config log report coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2020/08/11 15:18 net 444da3f5 bacaf5fa .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, mkubecek@suse.cz, netdev@vger.kernel.org, songliubraving@fb.com, yhs@fb.com
ci-upstream-net-this-kasan-gce 2020/08/11 11:05 net 444da3f5 bacaf5fa .config log report coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-net-this-kasan-gce 2020/08/11 07:57 net 444da3f5 7adc7b65 .config log report andy@greyhouse.net, davem@davemloft.net, j.vosburgh@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, vfalico@gmail.com
ci-upstream-net-this-kasan-gce 2020/08/10 20:48 net 7c7ab580 7adc7b65 .config log report keescook@chromium.org, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2020/08/10 16:32 net 7c7ab580 70301872 .config log report keescook@chromium.org, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2020/08/10 14:18 net 7c7ab580 70301872 .config log report andy@greyhouse.net, davem@davemloft.net, j.vosburgh@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, vfalico@gmail.com
ci-upstream-net-this-kasan-gce 2020/08/09 17:58 net 7c7ab580 70301872 .config log report andy@greyhouse.net, davem@davemloft.net, j.vosburgh@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, vfalico@gmail.com
ci-upstream-net-kasan-gce 2020/08/11 06:35 net-next bfdd5aaa 7adc7b65 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tj@kernel.org
ci-upstream-net-kasan-gce 2020/08/11 00:35 net-next bfdd5aaa 7adc7b65 .config log report keescook@chromium.org, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-net-kasan-gce 2020/08/10 22:17 net-next bfdd5aaa 7adc7b65 .config log report andy@greyhouse.net, davem@davemloft.net, j.vosburgh@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, vfalico@gmail.com
ci-upstream-net-kasan-gce 2020/08/10 11:39 net-next bfdd5aaa 70301872 .config log report andy@greyhouse.net, davem@davemloft.net, j.vosburgh@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, vfalico@gmail.com
ci-upstream-net-kasan-gce 2020/08/09 08:17 net-next bfdd5aaa f721e4a0 .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, yhs@fb.com, yoshfuji@linux-ipv6.org
ci-upstream-net-kasan-gce 2020/07/17 19:21 net-next 4291dc1a 9c812472 .config log report davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/08/11 07:39 linux-next 4c9b89d8 7adc7b65 .config log report adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci-upstream-linux-next-kasan-gce-root 2020/08/11 07:35 linux-next 4c9b89d8 7adc7b65 .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, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, yhs@fb.com, yoshfuji@linux-ipv6.org
ci-upstream-linux-next-kasan-gce-root 2020/08/10 18:08 linux-next f80535b9 7adc7b65 .config log report acme@kernel.org, alexander.shishkin@linux.intel.com, andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, jolsa@redhat.com, kafai@fb.com, kpsingh@chromium.org, linux-kernel@vger.kernel.org, mark.rutland@arm.com, mingo@redhat.com, namhyung@kernel.org, netdev@vger.kernel.org, peterz@infradead.org, songliubraving@fb.com, yhs@fb.com
ci-upstream-linux-next-kasan-gce-root 2020/08/10 10:27 linux-next f80535b9 70301872 .config log report gregkh@linuxfoundation.org, jirislaby@kernel.org, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/08/10 10:06 linux-next f80535b9 70301872 .config log report acme@kernel.org, alexander.shishkin@linux.intel.com, andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, jolsa@redhat.com, kafai@fb.com, kpsingh@chromium.org, linux-kernel@vger.kernel.org, mark.rutland@arm.com, mingo@redhat.com, namhyung@kernel.org, netdev@vger.kernel.org, peterz@infradead.org, songliubraving@fb.com, yhs@fb.com
ci-upstream-linux-next-kasan-gce-root 2020/08/09 15:27 linux-next 01830e6c 70301872 .config log report linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2020/08/09 15:03 linux-next 01830e6c 70301872 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/08/09 09:23 linux-next 01830e6c f721e4a0 .config log report keescook@chromium.org, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de