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: 615d, last: 10d

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
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING: bad unlock balance detected! 1 1051d 1046d 0/17 closed as invalid on 2018/01/30 23:45
upstream WARNING: bad unlock balance detected! (2) syz 1 629d 628d 0/17 closed as invalid on 2019/02/06 08:32

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info
ci-upstream-kasan-gce-root 2020/10/16 12:27 upstream 9ff9b0d3 59b57593 .config log report syz
ci-upstream-kasan-gce-root 2020/09/16 10:24 upstream fc4f28bb 59b57593 .config log report syz
ci-upstream-kasan-gce-root 2020/08/15 06:13 upstream c9c9735c 59b57593 .config log report syz
ci-upstream-kasan-gce-root 2020/05/29 14:45 upstream 75caf310 59b57593 .config log report syz
ci-upstream-kasan-gce-root 2020/04/29 14:08 upstream 96c9a780 59b57593 .config log report syz
ci-upstream-kasan-gce-root 2020/03/30 13:12 upstream 7111951b 59b57593 .config log report syz
ci-upstream-kasan-gce-selinux-root 2020/01/27 20:57 upstream 34dabd81 12365b99 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/12/18 09:44 upstream 2187f215 12365b99 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/10/27 12:29 upstream 065b6c4c 12365b99 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/09/27 12:03 upstream 065b6c4c 12365b99 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/08/19 06:32 upstream 065b6c4c 12365b99 .config log report syz
Crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-root 2020/02/29 03:49 upstream f8788d86 59b57593 .config log report syz dledford@redhat.com, gustavo@embeddedor.com, jgg@ziepe.ca, kirr@nexedi.com, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, logang@deltatee.com, willy@infradead.org
ci-upstream-kasan-gce-smack-root 2020/02/27 06:32 upstream f8788d86 59b57593 .config log report syz dledford@redhat.com, gustavo@embeddedor.com, jgg@ziepe.ca, kirr@nexedi.com, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, lkundrak@v3.sk, logang@deltatee.com, willy@infradead.org
ci-upstream-kasan-gce-selinux-root 2019/03/10 22:04 upstream 065b6c4c 12365b99 .config log report syz davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-kasan-gce-386 2019/02/20 06:00 upstream 40e196a9 4df543c9 .config log report syz davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2019/03/26 11:36 net 27602e2c 55684ce1 .config log report syz davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-linux-next-kasan-gce-root 2019/03/02 21:24 linux-next c63e9e91 1c0e457a .config log report syz davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org