ci2 starts bisection 2023-02-02 19:31:01.93915363 +0000 UTC m=+21126.057833022
bisecting fixing commit since c4215ee4771bb935727df2db097fd28f8d644b5c
building syzkaller on ab32d50881df9f96f2af301aadca62ad00b7e099
ensuring issue is reproducible on original commit c4215ee4771bb935727df2db097fd28f8d644b5c

testing commit c4215ee4771bb935727df2db097fd28f8d644b5c gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: aea3ebe7f1e52372c67327d9f616a375163d0e001a3b9a5c2460a98e7ca708a2
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 3949d16100044eeb6723eca03b1038b469fb9ae8
testing commit 3949d16100044eeb6723eca03b1038b469fb9ae8 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 73c5f307c42bcf7756e8b9cd4e961599776860461274bcf86ec96cbfca9bd2ae
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 41m33.12575023s (build: 32m54.532826191s, test: 6m45.210180081s)
the crash still happens on HEAD
commit msg: Linux 4.14.304
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci0 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout