syzbot


INFO: task hung in sync_inodes_sb (4)
Status: upstream: reported C repro on 2020/11/21 04:55
Reported-by: syzbot+7d50f1e54a12ba3aeae2@syzkaller.appspotmail.com
First crash: 215d, last: 12d

Cause bisection: introduced by (bisect log) :
commit c68df2e7be0c1238ea3c281fd744a204ef3b15a0
Author: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Date: Thu Sep 15 13:30:02 2016 +0000

  mac80211: allow using AP_LINK_PS with mac80211-generated TIM IE

Crash: general protection fault in batadv_iv_ogm_queue_add (log)
Repro: C syz .config
similar bugs (8):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in sync_inodes_sb (2) 4 789d 807d 0/22 auto-closed as invalid on 2019/10/19 16:22
upstream INFO: task hung in sync_inodes_sb (3) C done 6 532d 541d 16/22 fixed on 2020/02/14 01:19
upstream INFO: task hung in sync_inodes_sb 58 887d 1125d 0/22 closed as dup on 2018/09/08 15:37
linux-4.14 INFO: task hung in sync_inodes_sb 1 502d 502d 0/1 auto-closed as invalid on 2020/06/02 17:26
android-49 INFO: task hung in sync_inodes_sb 11 1027d 1106d 0/3 auto-closed as invalid on 2019/02/24 06:19
android-49 INFO: task hung in sync_inodes_sb (2) 2 616d 778d 0/3 auto-closed as invalid on 2020/02/10 00:14
linux-4.14 INFO: task hung in sync_inodes_sb (2) C 6 28d 163d 0/1 upstream: reported C repro on 2021/01/07 19:48
linux-4.19 INFO: task hung in sync_inodes_sb C 2 27d 253d 0/1 upstream: reported C repro on 2020/10/09 07:19
Patch testing requests:
Created Duration User Patch Repo Result
2021/04/20 03:11 11m ducheng2@gmail.com upstream report log

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/06/07 18:30 upstream 614124be e6b0d314 .config log report syz C
ci-upstream-kasan-gce-root 2021/05/08 10:59 upstream dd860052 e6b0d314 .config log report syz C
ci-upstream-kasan-gce-root 2021/04/08 10:37 upstream 454859c5 e6b0d314 .config log report syz C
ci-upstream-kasan-gce-root 2021/03/09 00:40 upstream 144c79ef e6b0d314 .config log report syz C
ci-upstream-kasan-gce-root 2021/01/03 08:44 upstream 3516bd72 e6b0d314 .config log report syz C
Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2020/12/04 02:11 upstream 34816d20 e6b0d314 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/11/17 04:47 linux-next 03430750 1bf9a662 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2021/02/06 20:50 upstream 1e0d27fc 0655e081 .config log report info INFO: task hung in sync_inodes_sb