syzbot


INFO: task can't die in corrupted
Status: fixed on 2020/11/16 12:12
Reported-by: syzbot+ee250ac8137be41d7b13@syzkaller.appspotmail.com
Fix commit: 86f33603 f2fs: handle errors of f2fs_get_meta_page_nofail
First crash: 212d, last: 184d

Cause bisection: introduced by (bisect log) :
commit eede846af512572b1f30b34f9889d7df64c017d4
Author: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Fri Oct 2 21:17:35 2020 +0000

  f2fs: f2fs_get_meta_page_nofail should not be failed

Crash: no output from test machine (log)
Repro: C syz .config
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
INFO: task can't die in congestion_wait 3 211d 208d 0/22 closed as dup on 2020/10/10 16:27
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task can't die in corrupted (2) C error 32 33d 146d 0/22 upstream: reported C repro on 2020/12/11 10:03

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 2020/11/02 23:50 linux-next b49976d8 8bc4594f .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/10/08 02:32 linux-next 8b787da7 1880b4a9 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/10/07 05:12 linux-next a804ab08 1880b4a9 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/10/06 20:59 linux-next a804ab08 1880b4a9 .config log report syz C