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: 185d, last: 10m

Cause bisection: failed (bisect log)
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 BUG: MAX_LOCKDEP_CHAINS too low! 341 1d20h 478d 0/1 upstream: reported on 2019/09/29 10:02
linux-4.19 BUG: MAX_LOCKDEP_CHAINS too low! 4739 19h46m 640d 0/1 upstream: reported on 2019/04/20 01:26
upstream BUG: MAX_LOCKDEP_CHAINS too low! C done 17240 185d 844d 17/17 fixed on 2020/07/17 17:58

Sample crash report:

Crashes (42853):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info 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 2021/01/19 06:14 upstream 1e2a199f 63631df1 .config log report info jasowang@redhat.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mst@redhat.com, netdev@vger.kernel.org, virtualization@lists.linux-foundation.org
ci-upstream-kasan-gce-smack-root 2021/01/19 05:54 upstream 1e2a199f 63631df1 .config log report info davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-root 2021/01/19 05:37 upstream 1e2a199f 63631df1 .config log report info linux-kernel@vger.kernel.org, tytso@mit.edu
ci-upstream-kasan-gce-root 2021/01/19 05:15 upstream 1e2a199f 63631df1 .config log report info davem@davemloft.net, edumazet@google.com, kuba@kernel.org, linux-kernel@vger.kernel.org, maheshb@google.com, netdev@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2021/01/19 05:03 upstream 1e2a199f 63631df1 .config log report info davem@davemloft.net, jmaloy@redhat.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, tipc-discussion@lists.sourceforge.net, ying.xue@windriver.com
ci-upstream-kasan-gce 2021/01/19 04:39 upstream 1e2a199f 63631df1 .config log report info linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2021/01/19 04:18 upstream 1e2a199f 63631df1 .config log report info john.stultz@linaro.org, linux-kernel@vger.kernel.org, sboyd@kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-smack-root 2021/01/19 03:58 upstream 1e2a199f 63631df1 .config log report info acme@kernel.org, alexander.shishkin@linux.intel.com, andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, jolsa@redhat.com, kafai@fb.com, kpsingh@kernel.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 2021/01/19 03:34 upstream 1e2a199f 63631df1 .config log report info linux-kernel@vger.kernel.org, luto@kernel.org, peterz@infradead.org, tglx@linutronix.de
ci-upstream-kasan-gce-selinux-root 2021/01/18 17:00 upstream 19c329f6 63631df1 .config log report info gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tj@kernel.org
ci-upstream-kasan-gce-root 2021/01/18 16:03 upstream 19c329f6 63631df1 .config log report info gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci-upstream-kasan-gce-smack-root 2021/01/18 15:39 upstream 19c329f6 63631df1 .config log report info linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-selinux-root 2021/01/18 15:25 upstream 19c329f6 63631df1 .config log report info gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tj@kernel.org
ci-upstream-kasan-gce-selinux-root 2021/01/18 15:10 upstream 19c329f6 63631df1 .config log report info linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2021/01/18 14:54 upstream 19c329f6 63631df1 .config log report info 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 2021/01/18 03:54 upstream a1339d63 fd103621 .config log report info linux-kernel@vger.kernel.org, luto@kernel.org, peterz@infradead.org, tglx@linutronix.de
ci-upstream-kasan-gce-smack-root 2021/01/18 03:33 upstream a1339d63 fd103621 .config log report info axboe@kernel.dk, io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2021/01/18 03:06 upstream a1339d63 fd103621 .config log report info ap420073@gmail.com, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-selinux-root 2021/01/18 02:39 upstream a1339d63 fd103621 .config log report info adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci-upstream-kasan-gce 2021/01/18 02:29 upstream a1339d63 fd103621 .config log report info arnd@arndb.de, hverkuil-cisco@xs4all.nl, laurent.pinchart@ideasonboard.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, niklas.soderlund+renesas@ragnatech.se, sakari.ailus@linux.intel.com, yepeilin.cs@gmail.com
ci-upstream-kasan-gce-selinux-root 2021/01/18 02:12 upstream a1339d63 fd103621 .config log report info linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2021/01/18 02:03 upstream a1339d63 fd103621 .config log report info linux-kernel@vger.kernel.org, luto@kernel.org, peterz@infradead.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2021/01/18 01:59 upstream a1339d63 fd103621 .config log report info acme@kernel.org, alexander.shishkin@linux.intel.com, andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, jolsa@redhat.com, kafai@fb.com, kpsingh@kernel.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 2021/01/18 00:41 upstream a1339d63 813be542 .config log report info gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci-upstream-kasan-gce-386 2021/01/18 16:17 upstream 19c329f6 63631df1 .config log report info adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci-upstream-kasan-gce-386 2021/01/18 05:02 upstream a1339d63 fd103621 .config log report info andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, 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, songliubraving@fb.com, yhs@fb.com
ci-upstream-kasan-gce-386 2021/01/18 03:19 upstream a1339d63 fd103621 .config log report info gregkh@linuxfoundation.org, jirislaby@kernel.org, linux-kernel@vger.kernel.org
ci-upstream-net-this-kasan-gce 2021/01/19 10:37 net 9d9b1ee0 63631df1 .config log report info gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci-upstream-net-kasan-gce 2021/01/19 11:59 net-next 99d51897 63631df1 .config log report info 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-bpf-next-kasan-gce 2021/01/19 09:15 bpf-next a2c2998d 63631df1 .config log report info 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-kasan-gce 2021/01/19 00:38 net-next 220723dc 63631df1 .config log report info davem@davemloft.net, kernel@pengutronix.de, kuba@kernel.org, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, linux@rempel-privat.de, mkl@pengutronix.de, netdev@vger.kernel.org, robin@protonic.nl, socketcan@hartkopp.net
ci-upstream-bpf-next-kasan-gce 2021/01/18 21:51 bpf-next 232164e0 63631df1 .config log report info Jason@zx2c4.com, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, wireguard@lists.zx2c4.com
ci-upstream-net-kasan-gce 2021/01/18 18:40 net-next 213b97b1 63631df1 .config log report info akpm@linux-foundation.org, bp@alien8.de, hpa@zytor.com, linux-kernel@vger.kernel.org, luto@kernel.org, mingo@redhat.com, tglx@linutronix.de, x86@kernel.org
ci-upstream-net-kasan-gce 2021/01/18 14:40 net-next 213b97b1 63631df1 .config log report info davem@davemloft.net, jmaloy@redhat.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, tipc-discussion@lists.sourceforge.net, ying.xue@windriver.com
ci-upstream-net-kasan-gce 2021/01/18 06:51 net-next 213b97b1 fd103621 .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-linux-next-kasan-gce-root 2021/01/19 10:21 linux-next b4bb878f 63631df1 .config log report info ceph-devel@vger.kernel.org, idryomov@gmail.com, jlayton@kernel.org, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2021/01/19 09:11 linux-next b4bb878f 63631df1 .config log report info linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2021/01/19 08:07 linux-next b4bb878f 63631df1 .config log report info acme@kernel.org, alexander.shishkin@linux.intel.com, andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, jolsa@redhat.com, kafai@fb.com, kpsingh@kernel.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 2021/01/19 07:38 linux-next b4bb878f 63631df1 .config log report info john.stultz@linaro.org, linux-kernel@vger.kernel.org, sboyd@kernel.org, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2021/01/18 16:39 linux-next 93bf8b94 63631df1 .config log report info john.stultz@linaro.org, linux-kernel@vger.kernel.org, sboyd@kernel.org, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2021/01/18 14:23 linux-next 93bf8b94 63631df1 .config log report info linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2021/01/18 13:27 linux-next 93bf8b94 fd103621 .config log report info acme@kernel.org, alexander.shishkin@linux.intel.com, andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, jolsa@redhat.com, kafai@fb.com, kpsingh@kernel.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 2021/01/18 12:08 linux-next 93bf8b94 fd103621 .config log report info linux-kernel@vger.kernel.org, luto@kernel.org, peterz@infradead.org, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2021/01/18 11:43 linux-next 93bf8b94 fd103621 .config log report info acme@kernel.org, alexander.shishkin@linux.intel.com, andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, jolsa@redhat.com, kafai@fb.com, kpsingh@kernel.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 2021/01/18 10:42 linux-next 93bf8b94 fd103621 .config log report info davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-linux-next-kasan-gce-root 2021/01/18 09:28 linux-next 93bf8b94 fd103621 .config log report info adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci-upstream-linux-next-kasan-gce-root 2021/01/18 09:01 linux-next 93bf8b94 fd103621 .config log report info axboe@kernel.dk, cgroups@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, tj@kernel.org
ci-upstream-linux-next-kasan-gce-root 2021/01/18 07:59 linux-next b3a3cbde fd103621 .config log report info linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2021/01/18 05:47 linux-next b3a3cbde fd103621 .config log report info acme@kernel.org, alexander.shishkin@linux.intel.com, andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, jolsa@redhat.com, kafai@fb.com, kpsingh@kernel.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 2021/01/18 04:33 linux-next b3a3cbde fd103621 .config log report info linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2021/01/18 02:51 linux-next b3a3cbde fd103621 .config log report info john.stultz@linaro.org, linux-kernel@vger.kernel.org, sboyd@kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-selinux-root 2021/01/17 14:26 upstream 0da0a8a0 813be542 .config log report info linux-kernel@vger.kernel.org, luto@kernel.org, peterz@infradead.org, tglx@linutronix.de
ci-upstream-bpf-kasan-gce 2021/01/11 23:46 bpf 286e95ee 2c1f2513 .config log report info akpm@linux-foundation.org, christian@brauner.io, linux-kernel@vger.kernel.org, shakeelb@google.com
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