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: 95d, last: 18h00m

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! 325 63d 387d 0/1 upstream: reported on 2019/09/29 10:02
linux-4.19 BUG: MAX_LOCKDEP_CHAINS too low! 3477 1d10h 549d 0/1 upstream: reported on 2019/04/20 01:26
upstream BUG: MAX_LOCKDEP_CHAINS too low! C cause 17240 95d 753d 17/17 fixed on 2020/07/17 17:58

Sample crash report:

Crashes (24571):
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 2020/10/12 17:08 upstream bbf5c979 d32b0bbf .config log report info davem@davemloft.net, edumazet@google.com, kuba@kernel.org, linux-kernel@vger.kernel.org, liuhangbin@gmail.com, netdev@vger.kernel.org
ci-upstream-kasan-gce 2020/10/12 16:11 upstream bbf5c979 d32b0bbf .config log report info gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci-upstream-kasan-gce-smack-root 2020/10/12 16:11 upstream bbf5c979 d32b0bbf .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 2020/10/12 14:36 upstream bbf5c979 4a77ae0b .config log report info anton@enomsg.org, ccross@android.com, gregkh@linuxfoundation.org, keescook@chromium.org, len.brown@intel.com, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, pavel@ucw.cz, rjw@rjwysocki.net, tony.luck@intel.com
ci-upstream-kasan-gce-root 2020/10/12 13:57 upstream bbf5c979 4a77ae0b .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-kasan-gce 2020/10/12 12:58 upstream bbf5c979 4a77ae0b .config log report info john.stultz@linaro.org, linux-kernel@vger.kernel.org, sboyd@kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce 2020/10/12 12:53 upstream bbf5c979 4a77ae0b .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-selinux-root 2020/10/12 09:46 upstream 3dd0130f 4a77ae0b .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 2020/10/12 00:36 upstream 3dd0130f 4a77ae0b .config log report info andriin@fb.com, ast@kernel.org, axboe@kernel.dk, bpf@vger.kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, yhs@fb.com
ci-upstream-kasan-gce-root 2020/10/11 23:52 upstream 3dd0130f 4a77ae0b .config log report info 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 2020/10/11 23:11 upstream 3dd0130f 4a77ae0b .config log report info bridge@lists.linux-foundation.org, clang-built-linux@googlegroups.com, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, natechancellor@gmail.com, ndesaulniers@google.com, netdev@vger.kernel.org, nikolay@nvidia.com, roopa@nvidia.com
ci-upstream-kasan-gce-selinux-root 2020/10/11 22:42 upstream 3dd0130f 4a77ae0b .config log report info linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/10/11 22:17 upstream 3dd0130f 4a77ae0b .config log report info linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce 2020/10/11 22:13 upstream 3dd0130f 4a77ae0b .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-kasan-gce-selinux-root 2020/10/11 03:46 upstream da690031 4a77ae0b .config log report info linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/10/11 03:02 upstream da690031 4a77ae0b .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-kasan-gce 2020/10/11 01:43 upstream da690031 4a77ae0b .config log report info andriin@fb.com, ast@kernel.org, benh@amazon.com, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, jakub@cloudflare.com, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, kuniyu@amazon.co.jp, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, paulmck@kernel.org, songliubraving@fb.com, willemb@google.com, yhs@fb.com
ci-upstream-kasan-gce 2020/10/11 01:15 upstream da690031 4a77ae0b .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-kasan-gce-selinux-root 2020/10/11 00:25 upstream 6f2f486d 4a77ae0b .config log report info linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-selinux-root 2020/10/11 00:00 upstream 6f2f486d 4a77ae0b .config log report info davem@davemloft.net, edumazet@google.com, kuba@kernel.org, linmiaohe@huawei.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-root 2020/10/10 23:29 upstream 6f2f486d 4a77ae0b .config log report info linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-386 2020/10/12 18:46 upstream bbf5c979 d32b0bbf .config log report info davem@davemloft.net, herbert@gondor.apana.org.au, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-kasan-gce-386 2020/10/12 18:41 upstream bbf5c979 d32b0bbf .config log report info linux-kernel@vger.kernel.org, mingo@redhat.com, rostedt@goodmis.org
ci-upstream-kasan-gce-386 2020/10/12 17:38 upstream bbf5c979 d32b0bbf .config log report info gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tj@kernel.org
ci-upstream-kasan-gce-386 2020/10/12 16:39 upstream bbf5c979 d32b0bbf .config log report info akpm@linux-foundation.org, christian@brauner.io, christian@kellner.me, keescook@chromium.org, linux-kernel@vger.kernel.org, luto@amacapital.net, shakeelb@google.com, wad@chromium.org
ci-upstream-kasan-gce-386 2020/10/12 15:25 upstream bbf5c979 4a77ae0b .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-386 2020/10/12 13:28 upstream bbf5c979 4a77ae0b .config log report info keescook@chromium.org, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-386 2020/10/11 02:26 upstream da690031 4a77ae0b .config log report info linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2020/10/15 22:06 net 2ecbc1f6 6e262c73 .config log report info bigeasy@linutronix.de, linux-kernel@vger.kernel.org, mingo@kernel.org, peterz@infradead.org, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2020/10/15 15:05 net 2ef813b8 63869021 .config log report info 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 2020/10/15 03:29 net 2ef813b8 fc7735a2 .config log report info 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 2020/10/14 14:12 net 1e40d75e fc7735a2 .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-this-kasan-gce 2020/10/14 08:08 net 254941f3 fc7735a2 .config log report info 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 2020/10/14 00:43 net 254941f3 fc7735a2 .config log report info bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, linux-kernel@vger.kernel.org, luto@kernel.org, mingo@redhat.com, peterz@infradead.org, tglx@linutronix.de, x86@kernel.org
ci-upstream-net-this-kasan-gce 2020/10/13 16:01 net 64a632da bd69ee0d .config log report info 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 2020/10/11 08:19 net 874fb9e2 4a77ae0b .config log report info 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, matthieu.baerts@tessares.net, netdev@vger.kernel.org, songliubraving@fb.com, stefan@datenfreihafen.org, tglx@linutronix.de, yhs@fb.com
ci-upstream-net-kasan-gce 2020/10/20 02:57 net-next 9ff9b0d3 ff4a3345 .config log report info 0x7f454c46@gmail.com, akpm@linux-foundation.org, haokexin@gmail.com, linux-kernel@vger.kernel.org
ci-upstream-bpf-next-kasan-gce 2020/10/18 16:27 bpf-next 9ff9b0d3 fea47c01 .config log report info davem@davemloft.net, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-bpf-next-kasan-gce 2020/10/17 05:06 bpf-next 9ff9b0d3 6e262c73 .config log report info 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 2020/10/15 20:03 net-next d25e2e93 63869021 .config log report info keescook@chromium.org, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-net-kasan-gce 2020/10/15 17:40 net-next d25e2e93 63869021 .config log report info 0x7f454c46@gmail.com, akpm@linux-foundation.org, haokexin@gmail.com, linux-kernel@vger.kernel.org
ci-upstream-net-kasan-gce 2020/10/15 16:20 net-next d25e2e93 63869021 .config log report info keescook@chromium.org, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-net-kasan-gce 2020/10/15 08:49 net-next d25e2e93 63869021 .config log report info akpm@linux-foundation.org, christian@brauner.io, christian@kellner.me, keescook@chromium.org, linux-kernel@vger.kernel.org, luto@amacapital.net, shakeelb@google.com, wad@chromium.org
ci-upstream-net-kasan-gce 2020/10/15 05:56 net-next d25e2e93 fc7735a2 .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 2020/10/12 23:45 net-next 15f5e48f d32b0bbf .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-net-kasan-gce 2020/10/12 20:55 net-next 15f5e48f d32b0bbf .config log report info gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org
ci-upstream-net-kasan-gce 2020/10/12 03:22 net-next bc081a69 4a77ae0b .config log report info 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 2020/10/11 11:46 net-next df41c19a 4a77ae0b .config log report info dmitry.kasatkin@gmail.com, jmorris@namei.org, linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, serge@hallyn.com, zohar@linux.ibm.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
ci-upstream-linux-next-kasan-gce-root 2020/10/06 21:05 linux-next a804ab08 1880b4a9 .config log report info davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org