ci2 starts bisection 2022-10-29 12:46:59.934733548 +0000 UTC m=+42476.915344953
bisecting fixing commit since 46914f96189be290174e378c6bf9ccadfdb9ca1e
building syzkaller on 6972b10616d785401dea17cec890cca8916424a7
ensuring issue is reproducible on original commit 46914f96189be290174e378c6bf9ccadfdb9ca1e

testing commit 46914f96189be290174e378c6bf9ccadfdb9ca1e gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 6d92b43c334978a30468f034fc17e3975969a32600b0c93cc7cce4d61695f2dc
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: e4b2eacb04042840fa12ab1a81ec92611fb3d1f5a2aa0b1881dfd91861cb509f
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m28.425249678s (build: 18m45.27653031s, test: 6m48.695878874s)
the crash still happens on HEAD
commit msg: Linux 4.14.296
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci3 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: hci3 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci0 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: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout