syzbot


WARNING: ODEBUG bug in bt_host_release
Status: upstream: reported syz repro on 2020/08/02 21:36
Reported-by: syzbot+0ce8a29c6c6469b16632@syzkaller.appspotmail.com
First crash: 440d, last: 187d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in sysfs_warn_dup (log)
Repro: syz .config

Fix bisection: fixed by (bisect log) :
commit e2cb6b891ad2b8caa9131e3be70f45243df82a80
Author: Lin Ma <linma@zju.edu.cn>
Date: Mon Apr 12 11:17:57 2021 +0000

  bluetooth: eliminate the potential race condition when removing the HCI controller

similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING: ODEBUG bug in bt_host_release 1 248d 248d 0/1 auto-closed as invalid on 2021/06/11 00:58
linux-4.14 WARNING: ODEBUG bug in bt_host_release syz 2 22d 420d 0/1 upstream: reported syz repro on 2020/08/22 10:22

Sample crash report:

Crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/08/22 12:03 upstream f873db9acd3c 6436ce4b .config log report syz
ci-upstream-kasan-gce-selinux-root 2020/08/22 11:25 upstream f873db9acd3c 6436ce4b .config log report syz
ci-upstream-kasan-gce-smack-root 2020/08/08 01:07 upstream d6efb3ac3e6c cb436c69 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/08/02 20:44 upstream ac3a0c847296 63a73341 .config log report syz
ci-upstream-kasan-gce-root 2021/02/06 23:05 upstream 1e0d27fce010 0655e081 .config log report info WARNING: ODEBUG bug in bt_host_release
ci-upstream-kasan-gce-root 2021/01/01 15:45 upstream f6e1ea196492 79264ae3 .config log report info
ci-upstream-net-kasan-gce 2020/08/13 05:00 net-next bfdd5aaa54b0 bc15f7db .config log report