syzbot


possible deadlock in __do_page_fault (2)
Status: closed as invalid on 2019/06/23 22:18
Reported-by: syzbot+606e524a3ca9617cf8c0@syzkaller.appspotmail.com
First crash: 53d, last: 48d

Bisection: introduced by (bisect log):

commit 69d61f577d147b396be0991b2ac6f65057f7d445
Author: Mimi Zohar <zohar@linux.ibm.com>
Date: Wed Apr 3 21:47:46 2019 +0000

  ima: verify mprotect change is consistent with mmap policy

Tree: linux-next
Crash: possible deadlock in __do_page_fault (log)
Repro: syz .config
similar bugs (3):
Kernel Title Repro Bisected Count Last Reported Patched Status
android-414 possible deadlock in __do_page_fault C 2945 5h16m 104d 0/1 public: reported C repro on 2019/04/11 00:00
android-49 possible deadlock in __do_page_fault C 502 2d01h 103d 0/3 public: reported C repro on 2019/04/11 08:44
upstream possible deadlock in __do_page_fault C 820 139d 306d 12/13 fixed on 2019/03/28 12:00

Sample crash report:

All crashes (8):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-linux-next-kasan-gce-root 2019/06/04 20:06 linux-next 56b697c6 e41a20c5 .config log report syz C adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci-upstream-linux-next-kasan-gce-root 2019/06/03 15:14 linux-next 3c09c195 63bf051f .config log report syz adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci-upstream-linux-next-kasan-gce-root 2019/05/31 13:53 linux-next 3c09c195 142ce681 .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 2019/06/05 06:26 linux-next 56b697c6 bfb4a51e .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 2019/06/05 02:23 linux-next 56b697c6 bfb4a51e .config log report akpm@linux-foundation.org, 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-linux-next-kasan-gce-root 2019/06/04 10:13 linux-next 56b697c6 ce07a7ae .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, william.kucharski@oracle.com, willy@infradead.org
ci-upstream-linux-next-kasan-gce-root 2019/06/04 00:06 linux-next 3c09c195 ce07a7ae .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-linux-next-kasan-gce-root 2019/06/03 13:31 linux-next 3c09c195 63bf051f .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