syzbot


INFO: task hung in do_read_cache_page (3)
Status: upstream: reported C repro on 2020/01/27 06:32
Reported-by: syzbot+518c54e255b5031adde4@syzkaller.appspotmail.com
First crash: 192d, last: 19d

Cause bisection: introduced by (bisect log):

commit 2da22da573481cc4837e246d0eee4d518b3f715e
Author: Mike Christie <mchristi@redhat.com>
Date: Tue Aug 13 16:39:52 2019 +0000

  nbd: fix zero cmd timeout handling v2

Crash: INFO: task hung in do_read_cache_page (log)
Repro: C syz .config
similar bugs (3):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream INFO: task hung in do_read_cache_page 10 758d 861d 0/17 auto-closed as invalid on 2019/02/22 10:09
android-49 INFO: task hung in do_read_cache_page 1 802d 802d 0/3 auto-closed as invalid on 2019/02/22 13:59
upstream INFO: task hung in do_read_cache_page (2) 1 328d 328d 0/17 auto-closed as invalid on 2019/11/11 08:43

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro
ci-upstream-kasan-gce-selinux-root 2020/06/27 06:05 upstream 1590a2e1 8742a2b9 .config log report syz C
Crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-selinux-root 2020/05/11 05:57 upstream e99332e7 8742a2b9 .config log report syz C akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-kasan-gce-selinux-root 2020/07/11 05:11 upstream a581387e 18d18b59 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-kasan-gce-selinux-root 2020/01/26 13:48 upstream 2821e26f f4e7270e .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-linux-next-kasan-gce-root 2020/07/17 00:03 linux-next 4c43049f 54b3c45e .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-linux-next-kasan-gce-root 2020/07/16 14:23 linux-next ca0e494a f3bec699 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-linux-next-kasan-gce-root 2020/07/12 09:07 linux-next d31958b3 115e1930 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-linux-next-kasan-gce-root 2020/06/30 08:02 linux-next 36e3135d a2cdad9d .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org