syzbot


INFO: rcu detected stall in sys_sendfile64 (2)
Status: upstream: reported C repro on 2019/01/19 11:32
Reported-by: syzbot+1505c80c74256c6118a5@syzkaller.appspotmail.com
First crash: 523d, last: 12d

Cause bisection: introduced by (bisect log):

commit 34e07e42c55aeaa78e93b057a6664e2ecde3fadb
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu Feb 8 10:54:48 2018 +0000

  drm/i915: Add missing kerneldoc for 'ent' in i915_driver_init_early

Crash: INFO: rcu detected stall in do_iter_write (log)
Repro: C syz .config

Fix bisection: failed (bisect log)
similar bugs (3):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream INFO: rcu detected stall in sys_sendfile64 C 4 535d 534d 0/17 closed as invalid on 2018/12/19 10:12
linux-4.19 INFO: rcu detected stall in sys_sendfile64 (2) 3 79d 131d 0/1 upstream: reported on 2020/01/26 16:07
linux-4.19 INFO: rcu detected stall in sys_sendfile64 1 413d 413d 0/1 auto-closed as invalid on 2019/10/16 04:09

Sample crash report:

Crashes (91):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-root 2020/01/24 19:12 upstream 4703d911 2e95ab33 .config log report syz C bp@alien8.de, gregkh@linuxfoundation.org, hpa@zytor.com, jannh@google.com, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, mhiramat@kernel.org, mingo@redhat.com, peterz@infradead.org, tglx@linutronix.de, x86@kernel.org
ci-upstream-kasan-gce-root 2019/06/06 12:31 upstream 156c0591 a547defc .config log report syz C ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, hawk@kernel.org, jakub.kicinski@netronome.com, john.fastabend@gmail.com, kafai@fb.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, xdp-newbies@vger.kernel.org, yhs@fb.com
ci-upstream-kasan-gce-selinux-root 2019/05/03 14:43 upstream ea986679 1bfa09b9 .config log report syz C linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2019/04/23 07:48 upstream 085b7755 53199d6e .config log report syz C linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2019/04/23 07:46 upstream 085b7755 53199d6e .config log report syz C akpm@linux-foundation.org, amir73il@gmail.com, darrick.wong@oracle.com, david@fromorbit.com, hannes@cmpxchg.org, hughd@google.com, josef@toxicpanda.com, jrdr.linux@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, rppt@linux.ibm.com, willy@infradead.org
ci-upstream-kasan-gce-root 2019/02/19 13:36 upstream b5372fe5 59f36113 .config log report syz C akpm@linux-foundation.org, amir73il@gmail.com, darrick.wong@oracle.com, david@fromorbit.com, hannes@cmpxchg.org, hughd@google.com, jrdr.linux@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, willy@infradead.org
ci-upstream-kasan-gce-selinux-root 2019/01/19 11:06 upstream 2339e91d 2103a236 .config log report syz C akpm@linux-foundation.org, amir73il@gmail.com, darrick.wong@oracle.com, david@fromorbit.com, hannes@cmpxchg.org, hughd@google.com, jrdr.linux@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, willy@infradead.org
ci-upstream-linux-next-kasan-gce-root 2019/04/23 07:50 linux-next 3f018f4a 53199d6e .config log report syz C john.stultz@linaro.org, linux-kernel@vger.kernel.org, sboyd@kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-selinux-root 2020/05/24 17:22 upstream caffb99b bd28eb9d .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-kasan-gce-root 2020/05/08 15:49 upstream 79dede78 2b98fdbc .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, hawk@kernel.org, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, yhs@fb.com
ci-upstream-kasan-gce-selinux-root 2020/05/02 18:35 upstream 690e2aba 58da4c35 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-kasan-gce-selinux-root 2020/04/12 10:08 upstream b032227c a8c6a3f8 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/04/07 07:01 upstream 7e634208 99a96044 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/03/13 14:48 upstream 3cc6e2c5 d850e9d0 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/03/12 15:54 upstream e6e6ec48 d850e9d0 .config log report jpoimboe@redhat.com, jslaby@suse.cz, kamalesh@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, mbenes@suse.cz, mingo@kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/03/10 02:02 upstream 30bb5572 35f53e45 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-kasan-gce-root 2020/02/26 11:16 upstream f8788d86 59b57593 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-kasan-gce-selinux-root 2020/02/20 20:07 upstream ca7e1fd1 bd2a74a3 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/02/15 02:02 upstream 2019fc96 5d7b90f1 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-kasan-gce-selinux-root 2020/02/12 03:14 upstream 359c92c0 a75b198c .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-kasan-gce-selinux-root 2020/02/10 20:19 upstream bb6d3fb3 18847f55 .config log report amir73il@gmail.com, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2020/02/07 05:17 upstream 90568ecf 06150bf1 .config log report bp@alien8.de, gregkh@linuxfoundation.org, hpa@zytor.com, jannh@google.com, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, tglx@linutronix.de, x86@kernel.org
ci-upstream-kasan-gce-root 2020/01/12 10:20 upstream ac61145a 4c04afaa .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2019/12/24 14:01 upstream 46cf053e be5c2c81 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2019/11/16 04:32 upstream eb70e26c cdac920b .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2019/08/23 05:44 upstream 59c36bc8 ca6f3cfa .config log report akpm@linux-foundation.org, daniel.m.jordan@oracle.com, hannes@cmpxchg.org, ktkhai@virtuozzo.com, laoar.shao@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mgorman@techsingularity.net, mhocko@suse.com, yang.shi@linux.alibaba.com
ci-upstream-kasan-gce-root 2019/07/22 14:40 upstream c6dd78fc b3c615f5 .config log report
ci-upstream-kasan-gce-smack-root 2019/06/20 07:04 upstream abf02e29 34bf9440 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2019/06/17 15:30 upstream 9e0babf2 442206d7 .config log report ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, jmorris@namei.org, kafai@fb.com, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, netdev@vger.kernel.org, serge@hallyn.com, songliubraving@fb.com, yhs@fb.com
ci-upstream-kasan-gce-selinux-root 2019/06/13 12:00 upstream b076173a 3f4e812b .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2019/06/13 09:59 upstream b076173a 3f4e812b .config log report ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, hawk@kernel.org, jakub.kicinski@netronome.com, john.fastabend@gmail.com, kafai@fb.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, xdp-newbies@vger.kernel.org, yhs@fb.com
ci-upstream-kasan-gce-root 2019/06/12 12:28 upstream aa723548 794a1ad7 .config log report akpm@linux-foundation.org, darrick.wong@oracle.com, hannes@cmpxchg.org, hughd@google.com, josef@toxicpanda.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, rppt@linux.ibm.com, willy@infradead.org
ci-upstream-kasan-gce-root 2019/06/07 07:45 upstream 01047631 698773cb .config log report akpm@linux-foundation.org, amir73il@gmail.com, darrick.wong@oracle.com, hannes@cmpxchg.org, hughd@google.com, josef@toxicpanda.com, jrdr.linux@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, rppt@linux.ibm.com, willy@infradead.org
ci-upstream-kasan-gce-smack-root 2019/06/06 19:18 upstream 156c0591 698773cb .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2019/06/05 22:41 upstream 156c0591 bfb4a51e .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2019/06/04 22:25 upstream 788a0249 e41a20c5 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2019/06/04 22:22 upstream 788a0249 e41a20c5 .config log report bp@alien8.de, gregkh@linuxfoundation.org, hpa@zytor.com, jannh@google.com, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, mingo@redhat.com, tglx@linutronix.de, x86@kernel.org
ci-upstream-kasan-gce-selinux-root 2018/12/31 02:16 upstream 19530313 2b42fdc8 .config log report akpm@linux-foundation.org, amir73il@gmail.com, darrick.wong@oracle.com, david@fromorbit.com, hannes@cmpxchg.org, hughd@google.com, jrdr.linux@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, willy@infradead.org
ci-upstream-linux-next-kasan-gce-root 2020/04/27 12:27 linux-next ac935d22 0ce7569e .config log report bp@alien8.de, hpa@zytor.com, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, shile.zhang@linux.alibaba.com, tglx@linutronix.de, x86@kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/04/18 22:41 linux-next ac935d22 365fba24 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-linux-next-kasan-gce-root 2020/03/28 13:20 linux-next 770fbb32 f1ebdfba .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 2020/02/18 07:05 linux-next c25a951c 1ce142dc .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, kafai@fb.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, yhs@fb.com
ci-upstream-linux-next-kasan-gce-root 2020/02/03 22:53 linux-next 2747d5fd 93e5e335 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-linux-next-kasan-gce-root 2019/12/26 08:34 linux-next 7ddd09fc be5c2c81 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-linux-next-kasan-gce-root 2019/07/02 08:45 linux-next 48a8a5f9 cccc4302 .config log report bp@alien8.de, gregkh@linuxfoundation.org, hpa@zytor.com, jannh@google.com, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, tglx@linutronix.de, x86@kernel.org
ci-upstream-linux-next-kasan-gce-root 2019/07/01 20:25 linux-next 48a8a5f9 907bf746 .config log report akpm@linux-foundation.org, amir73il@gmail.com, darrick.wong@oracle.com, hannes@cmpxchg.org, hughd@google.com, josef@toxicpanda.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, willy@infradead.org
ci-upstream-linux-next-kasan-gce-root 2019/06/23 14:17 linux-next e2d28c40 3efccdd2 .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 2019/06/23 05:59 linux-next dc636f5d 34bf9440 .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 2019/06/18 13:24 linux-next 1c6b4050 e3f76baa .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 2019/06/17 14:25 linux-next a125097c 442206d7 .config log report allison@lohutok.net, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, gregkh@linuxfoundation.org, kafai@fb.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, rfontana@redhat.com, songliubraving@fb.com, tglx@linutronix.de, yhs@fb.com
ci-upstream-linux-next-kasan-gce-root 2019/06/08 20:42 linux-next 3f310e51 0159583c .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 2019/06/05 14:53 linux-next b2924447 bfb4a51e .config log report akpm@linux-foundation.org, darrick.wong@oracle.com, hannes@cmpxchg.org, hughd@google.com, josef@toxicpanda.com, jrdr.linux@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, rppt@linux.ibm.com, willy@infradead.org
ci-upstream-linux-next-kasan-gce-root 2019/06/05 14:50 linux-next b2924447 bfb4a51e .config log report adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu