ci2 starts bisection 2023-02-07 18:25:51.191544821 +0000 UTC m=+42817.157884521
bisecting fixing commit since c4215ee4771bb935727df2db097fd28f8d644b5c
building syzkaller on 1dac8c7a01e2bdd35cb04eb4901ddb157291ac2d
ensuring issue is reproducible on original commit c4215ee4771bb935727df2db097fd28f8d644b5c

testing commit c4215ee4771bb935727df2db097fd28f8d644b5c gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2b236a9fea347991beadd8f4e9626ebe75693f80088a4dd796652b60dcbacd69
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD a8ad60f2af5884921167e8cede5784c7849884b2
testing commit a8ad60f2af5884921167e8cede5784c7849884b2 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 025f0b23cdcf0ecb701132a708af52994a060cb6d2e42a9feda66a7a131b62f4
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 24m49.688580131s (build: 15m57.013242415s, test: 6m38.468895873s)
the crash still happens on HEAD
commit msg: Linux 4.14.305
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout