bisecting fixing commit since 46914f96189be290174e378c6bf9ccadfdb9ca1e
building syzkaller on 6972b10616d785401dea17cec890cca8916424a7
testing commit 46914f96189be290174e378c6bf9ccadfdb9ca1e
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9bff261ba7c9029126e227ddc3732976059d8cdf603075e7c90c6999d542669a
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD e3a56aaade89bc89f33baec11b12538fc22536e2
testing commit e3a56aaade89bc89f33baec11b12538fc22536e2
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 436cf74fc7ed2b1a35b23c810bb0f8fc6f5fae30a8b2fb23609577f22a576fa6
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m45.396107127s (build: 20m36.979339256s, test: 6m23.255323984s)
the crash still happens on HEAD
commit msg: Linux 4.14.277
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