syzbot


WARNING: bad unlock balance detected! (3)
Status: upstream: reported syz repro on 2019/02/24 07:10
Reported-by: syzbot+f3e3434787332dfc1c47@syzkaller.appspotmail.com
First crash: 969d, last: 365d

Cause bisection: introduced by (bisect log) :
commit ec01fb69ac8034ad6e839b31f9df167a110f868b
Author: Jerome Brunet <jbrunet@baylibre.com>
Date: Wed Jan 16 17:59:47 2019 +0000

  arm64: dts: meson: s400: fix emmc maximum rate

Crash: BUG: unable to handle kernel paging request in free_block (log)
Repro: syz .config

Fix bisection: fixed by (bisect log) [no-op commit]:
commit 0b1eddc1964351cd5ce57aff46853ed4ce9ebbff
Author: Michal Kalderon <michal.kalderon@marvell.com>
Date: Wed Sep 2 16:57:35 2020 +0000

  RDMA/qedr: Fix doorbell setting

similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING: bad unlock balance detected! 1 1405d 1401d 0/22 closed as invalid on 2018/01/30 23:45
upstream WARNING: bad unlock balance detected! (2) syz 1 983d 983d 0/22 closed as invalid on 2019/02/06 08:32

Sample crash report:

Crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2020/02/29 03:49 upstream f8788d86ab28 59b57593 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/02/27 06:32 upstream f8788d86ab28 59b57593 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/03/10 22:04 upstream 065b6c4c913d 12365b99 .config log report syz
ci-upstream-kasan-gce-386 2019/02/20 06:00 upstream 40e196a906d9 4df543c9 .config log report syz
ci-upstream-net-this-kasan-gce 2019/03/26 11:36 net 27602e2c44da 55684ce1 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2019/03/02 21:24 linux-next c63e9e91a254 1c0e457a .config log report syz