ci2 starts bisection 2023-02-17 00:43:12.120748929 +0000 UTC m=+10070.616286977
bisecting fixing commit since 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6
building syzkaller on aea5da898f473385f3b66c94f8aa49ca9a1c9744
ensuring issue is reproducible on original commit 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6

testing commit 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9653e6a39a4b8329c6cf8d9e4270bf4e7c2b56b2583e745746a8f8ced46ac81c
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: 1ba02ab06ab32f945c4a9911a2adf5e95259dcbb84dd27b76a2ef967bbec7a97
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 29m46.227380365s (build: 20m22.008605889s, test: 6m15.901012567s)
the crash still happens on HEAD
commit msg: Linux 4.14.305
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci3 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: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 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: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout