ci2 starts bisection 2022-10-27 18:06:36.310287968 +0000 UTC m=+20984.632069299
bisecting fixing commit since a35d65bedfbc38cffe2701798cd6810bbdf07892
building syzkaller on 3cd800e43d452c348a66ba475143831d94969a24
ensuring issue is reproducible on original commit a35d65bedfbc38cffe2701798cd6810bbdf07892

testing commit a35d65bedfbc38cffe2701798cd6810bbdf07892 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 8bf12cf8318337e3e87edd6cf088721171ec2e12ffd4cab0f537d0ed87cdfa99
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 41f36d7859a79e11a13ef63ced8ae8cc31537ba2
testing commit 41f36d7859a79e11a13ef63ced8ae8cc31537ba2 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 4f5fc2f7c9663255d12ab3d5d7455d8fd5e04a00f2a07a1534ff273c3188099d
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 22m33.554879435s (build: 15m3.069425274s, test: 7m2.848413728s)
the crash still happens on HEAD
commit msg: Linux 4.14.296
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout