syzbot


divide error in do_journal_end
Status: fixed on 2021/02/21 17:18
Reported-by: syzbot+80bb9e37333427fa5892@syzkaller.appspotmail.com
Fix commit: b74d5f70523a reiserfs: add check for an invalid ih_entry_count
First crash: 554d, last: 494d

Fix bisection: fixed by (bisect log) :
commit b74d5f70523a819aac71e0eee4f4b530e69e463a
Author: Rustam Kovhaev <rkovhaev@gmail.com>
Date: Sun Nov 1 14:09:58 2020 +0000

  reiserfs: add check for an invalid ih_entry_count

similar bugs (5):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream divide error in do_journal_end 2 544d 571d 0/22 auto-closed as invalid on 2021/03/19 22:00
linux-4.14 divide error in do_journal_end (2) C 1 19d 384d 0/1 upstream: reported C repro on 2021/04/28 16:52
upstream divide error in do_journal_end (2) C inconclusive 2 371d 371d 22/22 fixed on 2021/11/10 00:50
linux-4.19 divide error in do_journal_end (2) C done 4 310d 421d 1/1 fixed on 2021/08/12 11:53
linux-4.19 divide error in do_journal_end C done 2 506d 566d 1/1 fixed on 2021/01/27 05:38

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/11/09 14:01 linux-4.14.y 6b6446efedb2 cba33199 .config log report syz C