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: 921d, last: 916d

Cause 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

Crash: possible deadlock in __do_page_fault (log)
Repro: syz .config
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-414 possible deadlock in __do_page_fault C 3356 735d 972d 0/1 public: reported C repro on 2019/04/11 00:00
android-49 possible deadlock in __do_page_fault C 801 734d 971d 0/3 public: reported C repro on 2019/04/11 08:44
upstream possible deadlock in __do_page_fault C 820 1007d 1174d 12/22 fixed on 2019/03/28 12:00

Sample crash report:

Crashes (8):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2019/06/04 20:06 linux-next 56b697c6c13b e41a20c5 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/06/03 15:14 linux-next 3c09c1950c84 63bf051f .config log report syz
ci-upstream-linux-next-kasan-gce-root 2019/06/05 06:26 linux-next 56b697c6c13b bfb4a51e .config log report
ci-upstream-linux-next-kasan-gce-root 2019/06/05 02:23 linux-next 56b697c6c13b bfb4a51e .config log report
ci-upstream-linux-next-kasan-gce-root 2019/06/04 10:13 linux-next 56b697c6c13b ce07a7ae .config log report
ci-upstream-linux-next-kasan-gce-root 2019/06/04 00:06 linux-next 3c09c1950c84 ce07a7ae .config log report
ci-upstream-linux-next-kasan-gce-root 2019/06/03 13:31 linux-next 3c09c1950c84 63bf051f .config log report
ci-upstream-linux-next-kasan-gce-root 2019/05/31 13:53 linux-next 3c09c1950c84 142ce681 .config log report