bisecting fixing commit since af1af6ebca0e28a97e5f802b9da695678fcd226a
building syzkaller on 89bc860804252dbacb8c2bea60b9204859f4afd7
testing commit af1af6ebca0e28a97e5f802b9da695678fcd226a
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 7cc0cf57f5dd13c0f4e2721aa5bc063754475bb0bd7a82898730b45324b0df54
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 424a46ea058e160ae6fdd0693092ba79da533f26
testing commit 424a46ea058e160ae6fdd0693092ba79da533f26
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 856bca617a5435d3883636dfc9ab4fb94a0f8c168b1020bfdd86b3ab64c9f00a
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m11.372995335s (build: 19m21.342201516s, test: 6m26.929582858s)
the crash still happens on HEAD
commit msg: Linux 4.14.288
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