syzbot


[upstream] 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: 85d, last: 2d03h

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:
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream INFO: rcu detected stall in sys_sendfile64 C 4 97d 97d 0/12 closed as invalid on 2018/12/19 10:12

Sample crash report:

All crashes (15):
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-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 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 2019/03/23 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 2019/03/24 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