syzbot


general protection fault in ext4_commit_super
Status: fixed on 2021/03/10 01:48
Reported-by: syzbot+9043030c040ce1849a60@syzkaller.appspotmail.com
Fix commit: c92dc856848f ext4: defer saving error info from atomic context
First crash: 355d, last: 352d

Cause bisection: introduced by (bisect log) :
commit e810c942a325cf749e859d7aa3a43dc219cea299
Author: Jan Kara <jack@suse.cz>
Date: Wed Dec 16 10:18:40 2020 +0000

  ext4: save error info to sb through journal if available

Crash: WARNING: ODEBUG bug in ext4_fill_super (log)
Repro: C syz .config
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
WARNING: ODEBUG bug in ext4_fill_super (2) C done 1094 273d 351d 0/22 closed as dup on 2020/12/22 11:33

Sample crash report:

Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2020/12/18 23:48 linux-next 0d52778b8710 04201c06 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/12/18 23:18 linux-next 0d52778b8710 04201c06 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/12/21 08:45 linux-next 4c6ed015c2a5 04201c06 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/18 08:44 linux-next 0d52778b8710 04201c06 .config log report info