bisecting fixing commit since bd634aa6416382439890b78f7be0023020a86207
building syzkaller on 6a81331a1d4c744da9204d02ec88d558f7eea9c9
testing commit bd634aa6416382439890b78f7be0023020a86207
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 1ff55c0d571cc10a3b793b23da8cd2454b7aae24439d00b9a25f0aafcabe4506
all runs: crashed: WARNING in hsr_addr_subst_dest
testing current HEAD 424a46ea058e160ae6fdd0693092ba79da533f26
testing commit 424a46ea058e160ae6fdd0693092ba79da533f26
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 5d86cc21fb5469c6ca56c38866848442b0984b3c5ba630c3f241df5a0efd42fb
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m25.265984105s (build: 19m58.819705677s, test: 6m43.924957291s)
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