ci2 starts bisection 2023-03-01 12:18:58.315172137 +0000 UTC m=+16737.919334159
bisecting fixing commit since 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6
building syzkaller on b31320fc8f3519e40494f64ebf77c13d16284bfd
ensuring issue is reproducible on original commit 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6

testing commit 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 15d9dcb60ade779070fa30bd26b4c54bd4ca0084c9fb9f6e0b6724b48f024085
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: f15b5832739862454047b0c65d3f4fcc7c69dcd53801790c4f875bdff02bf754
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 24m37.949650678s (build: 16m1.560479245s, test: 6m39.098594723s)
the crash still happens on HEAD
commit msg: Linux 4.14.307
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout