ci2 starts bisection 2023-02-25 17:40:29.84905672 +0000 UTC m=+113254.525244366
bisecting fixing commit since 2760370b164918bd9311e6bf445cf4c118d3463c
building syzkaller on 282f03fbbd76ae15c1ed5e934873fbbc47735176
ensuring issue is reproducible on original commit 2760370b164918bd9311e6bf445cf4c118d3463c

testing commit 2760370b164918bd9311e6bf445cf4c118d3463c gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 454f51ebc8a946074e6a615578d7496102750388f81192e52158d1569c366fa3
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: 8f3a8daf9769ff365d96ea4a0507a23d90d48fb0b3f33321af6301cbd82a5a5e
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 30m3.926003217s (build: 20m25.378600805s, test: 6m34.856198006s)
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
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout