ci2 starts bisection 2023-02-22 00:25:33.133888873 +0000 UTC m=+19779.788393206
bisecting fixing commit since 97205fccccdc5c145b77c434135ee8429b03ed98
building syzkaller on cc0f9968db1abe397e6c93bf4f5dff51be20f914
ensuring issue is reproducible on original commit 97205fccccdc5c145b77c434135ee8429b03ed98

testing commit 97205fccccdc5c145b77c434135ee8429b03ed98 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 3520c4fdeb252fe3921ce9bba3fc450325b33068ce69ce813383858779f488b9
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: b25380cc206d72c663f5d5c924557e023d108ca64c19dd403579f47ce9590f5b
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 29m57.228226204s (build: 20m2.794226307s, test: 6m24.212088645s)
the crash still happens on HEAD
commit msg: Linux 4.14.305
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout