syzbot


WARNING: refcount bug in find_key_to_update
Status: upstream: reported syz repro on 2019/10/17 01:42
Reported-by: syzbot+6455648abc28dbdd1e7f@syzkaller.appspotmail.com
First crash: 369d, last: 369d

Cause bisection: introduced by (bisect log):

commit 0570bc8b7c9b41deba6f61ac218922e7168ad648
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Thu Jul 18 19:26:59 2019 +0000

  Merge tag 'riscv/for-v5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Crash: WARNING: refcount bug in find_key_to_update (log)
Repro: syz .config

Fix bisection: failed (bisect log)
Patch testing requests:
Created Duration User Patch Repo Result
2019/10/22 12:31 16m dhowells@redhat.com git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git 0e5bbd42663f31221c05b1a6025de5bced81ca5f report log
2019/10/22 10:25 17m dhowells@redhat.com git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git 0e5bbd42663f31221c05b1a6025de5bced81ca5f OK
2019/10/22 10:01 17m dhowells@redhat.com git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git 0e5bbd42663f31221c05b1a6025de5bced81ca5f OK
2019/10/22 09:26 16m dhowells@redhat.com git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git 7f002fe7ea3c0005d4a23b311a42cac48c91cad7 report log

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce 2019/10/16 22:05 upstream bc88f85c 8c88c9c1 .config log report syz dhowells@redhat.com, jarkko.sakkinen@linux.intel.com, jmorris@namei.org, keyrings@vger.kernel.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, serge@hallyn.com