ci2 starts bisection 2023-02-03 06:29:13.83629601 +0000 UTC m=+15044.704939056
bisecting fixing commit since c4215ee4771bb935727df2db097fd28f8d644b5c
building syzkaller on 44712fbc6b687170984c3562336a415b56d82607
ensuring issue is reproducible on original commit c4215ee4771bb935727df2db097fd28f8d644b5c

testing commit c4215ee4771bb935727df2db097fd28f8d644b5c gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9a3a5d761eb0c9923cee5bd255b035804410971f76d225a2234366015c1c0a35
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: cd39c2da89930035b507af93d52adc2f56bfcb47fff996b01ac714b0f96f13bb
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 33m42.259662703s (build: 24m27.24891613s, test: 6m17.166447152s)
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