bisecting fixing commit since 29c52025152bab4c557d8174da58f1a4c8e70438
building syzkaller on 3e5ed8b45e7a561d6344a4d3d7bf3bfb8f24a7b3
testing commit 29c52025152bab4c557d8174da58f1a4c8e70438
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 503bf54607c82d8d0f2f846fa28c81bd9f60da20a485fbe90dcdcff550b17a1d
all runs: crashed: WARNING in hsr_forward_skb
testing current HEAD 66722c42ec916e92cadda46316f8f6e3fdcaedc6
testing commit 66722c42ec916e92cadda46316f8f6e3fdcaedc6
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c8b5cfb509a53da3e3b0eecdb1fc99e0e63a1d5bf41debc614e3b6582f0d1ecf
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 22m18.24800588s (build: 15m24.59717341s, test: 6m18.07540524s)
the crash still happens on HEAD
commit msg: Linux 4.14.256
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout