bisecting fixing commit since 29c52025152bab4c557d8174da58f1a4c8e70438
building syzkaller on 3e5ed8b45e7a561d6344a4d3d7bf3bfb8f24a7b3
testing commit 29c52025152bab4c557d8174da58f1a4c8e70438
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 416e2f44af058846d6ab9bded8defe64cea45876727e9930bd1ed28ec6045c3b
all runs: crashed: WARNING in hsr_forward_skb
testing current HEAD 35c4ba160ab6133e548468bd0bd1109990dc7736
testing commit 35c4ba160ab6133e548468bd0bd1109990dc7736
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 077a847b3bceaecaaa6eb9f7b6be868fbe1905b3bd497a249c5c7cc874eede3b
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 25m20.507864361s (build: 18m28.565386232s, test: 6m21.249142891s)
the crash still happens on HEAD
commit msg: Linux 4.14.245
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout