syzbot


kernel BUG at fs/inode.c:LINE! (2)
Status: fixed on 2021/05/29 15:40
Reported-by: syzbot+8aaca03c6970ef831f3e@syzkaller.appspotmail.com
Fix commit: 006270aa8f9c erofs: add unsupported inode i_format check
First crash: 355d, last: 217d

Fix bisection: fixed by (bisect log) :
commit 006270aa8f9c32c8fc723b0b2874b91fd10c1290
Author: Gao Xiang <hsiangkao@redhat.com>
Date: Mon Mar 29 00:36:14 2021 +0000

  erofs: add unsupported inode i_format check

similar bugs (6):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 kernel BUG in iput C 12 19d 182d 0/1 upstream: reported C repro on 2021/06/01 01:19
linux-4.19 kernel BUG at fs/inode.c:LINE! syz done 2 454d 483d 1/1 fixed on 2020/10/01 20:29
linux-4.14 kernel BUG at fs/inode.c:LINE! 1 568d 568d 0/1 auto-closed as invalid on 2020/09/07 09:12
android-54 kernel BUG at fs/inode.c:LINE! C 5 450d 459d 0/1 upstream: reported C repro on 2020/08/27 14:35
upstream kernel BUG at fs/inode.c:LINE! C done 2 1079d 1078d 13/22 fixed on 2019/04/12 21:13
upstream kernel BUG at fs/inode.c:LINE! (2) C done unreliable 37 419d 458d 0/22 upstream: reported C repro on 2020/08/28 13:18

Sample crash report:

Crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2020/12/25 06:05 linux-4.19.y 13d2ce42de8c c2c1d1dd .config log report syz C
ci2-linux-4-19 2020/12/17 19:20 linux-4.19.y 13d2ce42de8c 04201c06 .config log report syz C
ci2-linux-4-19 2021/03/27 23:11 linux-4.19.y 78fec1611cbf a8529b82 .config log report info kernel BUG in iput
ci2-linux-4-19 2021/02/12 05:49 linux-4.19.y 811218eceeaa a5f86b15 .config log report info kernel BUG in iput
ci2-linux-4-19 2020/12/09 03:26 linux-4.19.y 4abf26854aad 40cc414d .config log report info