ci2 starts bisection 2023-03-04 21:33:37.725598669 +0000 UTC m=+264232.664288004
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: 9e767ae7885a9a4e3bf7ea5e45690ca85f847e38fb3a810930795bb5ff03ffdc
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 7878a41b6cc1ada4bb804eee96beb2c54322806c
testing commit 7878a41b6cc1ada4bb804eee96beb2c54322806c gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: e32d0ba6dd2304d905f0440eb3fb565788c5d76e9d6140af816a14d5d5a712a2
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 29m37.229759149s (build: 20m44.020364018s, test: 6m27.930430101s)
the crash still happens on HEAD
commit msg: Linux 4.14.307
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