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: 16d, last: 16d

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 (7):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in sync_inodes_sb (2) 4 591d 609d 0/17 auto-closed as invalid on 2019/10/19 16:22
upstream INFO: task hung in sync_inodes_sb (3) C done 6 334d 343d 16/17 fixed on 2020/02/14 01:19
upstream INFO: task hung in sync_inodes_sb 58 689d 927d 0/17 closed as dup on 2018/09/08 15:37
linux-4.14 INFO: task hung in sync_inodes_sb 1 304d 304d 0/1 auto-closed as invalid on 2020/06/02 17:26
android-49 INFO: task hung in sync_inodes_sb 11 828d 907d 0/3 auto-closed as invalid on 2019/02/24 06:19
android-49 INFO: task hung in sync_inodes_sb (2) 2 417d 579d 0/3 auto-closed as invalid on 2020/02/10 00:14
linux-4.19 INFO: task hung in sync_inodes_sb C 2 20d 55d 0/1 upstream: reported C repro on 2020/10/09 07:19

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-linux-next-kasan-gce-root 2020/11/17 04:47 linux-next 03430750 1bf9a662 .config log report syz C linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk