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: 143d, last: 15d

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

Tree: upstream
Crash: INFO: rcu detected stall in do_iter_write (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream INFO: rcu detected stall in sys_sendfile64 C 4 156d 155d 0/13 closed as invalid on 2018/12/19 10:12
linux-4.19 INFO: rcu detected stall in sys_sendfile64 1 34d 34d 0/1 upstream: reported on 2019/04/19 05:09

Sample crash report:

All crashes (34):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
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-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-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 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-kasan-gce-root 2019/04/25 08:45 upstream cd8dead0 8e3c52b1 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2019/04/14 07:55 upstream 4443f8e6 c402d8f1 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2019/04/11 07:42 upstream 582549e3 e955ac50 .config log report john.stultz@linaro.org, linux-kernel@vger.kernel.org, sboyd@kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-smack-root 2019/04/10 16:09 upstream 771acc7e e955ac50 .config log report ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, jeyu@kernel.org, kafai@fb.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, yhs@fb.com
ci-upstream-kasan-gce-root 2019/04/09 21:04 upstream 869e3305 995065ff .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2019/04/09 15:00 upstream 869e3305 995065ff .config log report akpm@linux-foundation.org, darrick.wong@oracle.com, hannes@cmpxchg.org, hughd@google.com, jack@suse.cz, 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 2019/04/05 17:48 upstream ea2cec24 40f2363e .config log report bp@alien8.de, 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 2019/04/05 17:36 upstream ea2cec24 40f2363e .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2019/04/05 17:35 upstream ea2cec24 40f2363e .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2019/04/04 15:01 upstream 145f47c7 6a475fff .config log report akpm@linux-foundation.org, darrick.wong@oracle.com, david@fromorbit.com, hannes@cmpxchg.org, hughd@google.com, jack@suse.cz, 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 2019/04/03 22:54 upstream 8ed86627 d6fc4177 .config log report akpm@linux-foundation.org, aryabinin@virtuozzo.com, guro@fb.com, hannes@cmpxchg.org, ktkhai@virtuozzo.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mgorman@techsingularity.net, mhocko@suse.com, rostedt@goodmis.org, vdavydov.dev@gmail.com, willy@infradead.org
ci-upstream-kasan-gce-root 2019/04/03 21:35 upstream 8ed86627 dfd3394d .config log report akpm@linux-foundation.org, aryabinin@virtuozzo.com, guro@fb.com, hannes@cmpxchg.org, ktkhai@virtuozzo.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mgorman@techsingularity.net, mhocko@suse.com, rostedt@goodmis.org, willy@infradead.org
ci-upstream-kasan-gce-selinux-root 2019/03/27 14:34 upstream 14c741de 4e668495 .config log report bp@alien8.de, hpa@zytor.com, jpoimboe@redhat.com, jslaby@suse.cz, linux-kernel@vger.kernel.org, mingo@redhat.com, tglx@linutronix.de, x86@kernel.org
ci-upstream-kasan-gce-root 2019/03/23 14:07 upstream a5ed1e96 3361bde5 .config log report akpm@linux-foundation.org, aryabinin@virtuozzo.com, guro@fb.com, hannes@cmpxchg.org, ktkhai@virtuozzo.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mgorman@techsingularity.net, mhocko@suse.com, rostedt@goodmis.org, vdavydov.dev@gmail.com, willy@infradead.org
ci-upstream-kasan-gce-root 2019/03/21 01:12 upstream babf09c3 a664c187 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2019/03/19 20:39 upstream b7a42146 e4549234 .config log report akpm@linux-foundation.org, amir73il@gmail.com, darrick.wong@oracle.com, hannes@cmpxchg.org, hughd@google.com, jack@suse.cz, 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-selinux-root 2019/03/19 19:32 upstream b7a42146 e4549234 .config log report akpm@linux-foundation.org, aryabinin@virtuozzo.com, guro@fb.com, hannes@cmpxchg.org, ktkhai@virtuozzo.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mgorman@techsingularity.net, mhocko@suse.com, rostedt@goodmis.org, willy@infradead.org
ci-upstream-kasan-gce-selinux-root 2019/03/03 09:06 upstream c027c7cf 1c0e457a .config log report akpm@linux-foundation.org, aryabinin@virtuozzo.com, guro@fb.com, hannes@cmpxchg.org, ktkhai@virtuozzo.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mgorman@techsingularity.net, mhocko@suse.com, rostedt@goodmis.org, vdavydov.dev@gmail.com, willy@infradead.org
ci-upstream-kasan-gce-selinux-root 2019/02/28 10:47 upstream 7d762d69 09aeeba4 .config log report akpm@linux-foundation.org, aryabinin@virtuozzo.com, guro@fb.com, hannes@cmpxchg.org, ktkhai@virtuozzo.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mgorman@techsingularity.net, mhocko@suse.com, rostedt@goodmis.org, vdavydov.dev@gmail.com, willy@infradead.org
ci-upstream-kasan-gce-selinux-root 2019/02/27 11:17 upstream 7d762d69 083cfd0e .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2019/02/26 10:42 upstream 7d762d69 a36ecd98 .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/05/08 20:21 linux-next 31ccad9b 1ab4c999 .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 2019/04/25 15:32 linux-next c392798a f46aabc8 .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, william.kucharski@oracle.com, willy@infradead.org
ci-upstream-linux-next-kasan-gce-root 2019/03/24 09:14 linux-next e382d91f acbc5b7d .config log report akpm@linux-foundation.org, aryabinin@virtuozzo.com, chris@chrisdown.name, guro@fb.com, hannes@cmpxchg.org, ktkhai@virtuozzo.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mgorman@techsingularity.net, mhocko@suse.com, willy@infradead.org
ci-upstream-linux-next-kasan-gce-root 2019/02/18 16:03 linux-next cb916fc5 59f36113 .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 2019/02/15 10:48 linux-next 7a92eb7c f6f233c0 .config log report adobriyan@gmail.com, akpm@linux-foundation.org, bigeasy@linutronix.de, ktkhai@virtuozzo.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, sfr@canb.auug.org.au, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/25 19:09 linux-next 494367cb b5d78bce .config log report akpm@linux-foundation.org, darrick.wong@oracle.com, hannes@cmpxchg.org, hughd@google.com, jack@suse.cz, josef@toxicpanda.com, jrdr.linux@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, sfr@canb.auug.org.au, willy@infradead.org