ci2 starts bisection 2023-03-02 15:27:21.961443608 +0000 UTC m=+69456.900132944
bisecting fixing commit since 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6
building syzkaller on 02b6492ea9aa946771baee36254b2dbb4c07c0b6
ensuring issue is reproducible on original commit 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6

testing commit 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 602f88ddf21ffd26d28d8af51a692f30a92452b6d0f36b692ce5f2d6985b8b19
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: 225f141ff54b9573e87be0887c77605aadcc12a198edd6da209e94df87b3916e
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 33m31.615315036s (build: 24m32.236264635s, test: 6m19.862812093s)
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