syzbot


general protection fault in hci_release_dev
Status: upstream: reported C repro on 2021/08/02 04:07
Reported-by: syzbot+47c6d0efbb7fe2f7a5b8@syzkaller.appspotmail.com
Fix commit: e04480920d1e Bluetooth: defer cleanup of resources in hci_unregister_dev()
Patched on: [ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32]
First crash: 60d, last: 35d

Cause bisection: introduced by (bisect log) :
commit 73333364afebb5e45807139bc79e6a6574c1874b
Author: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Date: Mon Jul 26 21:12:04 2021 +0000

  Bluetooth: defer cleanup of resources in hci_unregister_dev()

Crash: general protection fault in hci_release_dev (log)
Repro: C syz .config

Sample crash report:

Crashes (41):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2021/08/21 23:43 linux-next 86ed57fd8c93 b599f2fc .config log report syz C general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/16 21:31 linux-next b9011c7e671d 33c26cb7 .config log report syz C general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/15 06:09 linux-next 4b358aabb93a 2489ab88 .config log report syz C general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/10 17:51 linux-next 92d00774360d 6972b106 .config log report syz C general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/07/29 09:46 linux-next 5a4cee98ea75 9a4781d4 .config log report syz C general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/23 03:30 linux-next 86ed57fd8c93 b599f2fc .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/22 18:02 linux-next 86ed57fd8c93 b599f2fc .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/22 06:09 linux-next 86ed57fd8c93 b599f2fc .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/20 15:05 linux-next 86ed57fd8c93 b599f2fc .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/20 00:58 linux-next 33e65b1f975c b599f2fc .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/20 00:07 linux-next 33e65b1f975c b599f2fc .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/18 19:50 linux-next f26c3abc432a a2fe1cb5 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/18 18:25 linux-next f26c3abc432a a2fe1cb5 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/15 11:01 linux-next 4b358aabb93a 2489ab88 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/14 22:21 linux-next 4b358aabb93a 2489ab88 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/14 09:49 linux-next 4b358aabb93a 2489ab88 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/14 09:34 linux-next 4b358aabb93a 2489ab88 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/14 09:27 linux-next 4b358aabb93a 2489ab88 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/10 17:07 linux-next 92d00774360d 6972b106 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/10 16:17 linux-next 92d00774360d 6972b106 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/09 20:31 linux-next da454ebf578f 6972b106 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/09 20:21 linux-next da454ebf578f 6972b106 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/09 20:10 linux-next da454ebf578f 6972b106 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/09 19:58 linux-next da454ebf578f 6972b106 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/09 19:50 linux-next da454ebf578f 6972b106 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/09 19:08 linux-next da454ebf578f 6972b106 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/09 19:01 linux-next da454ebf578f 6972b106 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/09 18:22 linux-next da454ebf578f 6972b106 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/09 17:29 linux-next da454ebf578f 6972b106 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/09 17:09 linux-next da454ebf578f 6972b106 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/06 14:22 linux-next 8d4b477da1a8 f9e341e3 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/06 14:11 linux-next 8d4b477da1a8 f9e341e3 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/04 02:12 linux-next 8d4b477da1a8 6c236867 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/03 22:27 linux-next 8d4b477da1a8 6c236867 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/03 15:56 linux-next 8d4b477da1a8 6c236867 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/08/01 22:10 linux-next 8d4b477da1a8 6c236867 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/07/29 06:05 linux-next 5a4cee98ea75 9a4781d4 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/07/29 05:08 linux-next 5a4cee98ea75 9a4781d4 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/07/29 04:26 linux-next 5a4cee98ea75 9a4781d4 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/07/29 04:16 linux-next 5a4cee98ea75 9a4781d4 .config log report info general protection fault in hci_release_dev
ci-upstream-linux-next-kasan-gce-root 2021/07/29 03:56 linux-next 5a4cee98ea75 9a4781d4 .config log report info general protection fault in hci_release_dev