bisecting fixing commit since 397a88b2cc869c823bf40bc403d36a62afec1edd
building syzkaller on f89ed068375b8e31b9575a0ecc834c602657a9a9
testing commit 397a88b2cc869c823bf40bc403d36a62afec1edd
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 5824f76c0d5b3bdf469cbe0e29131eb38bb2ffd28fd8fabe66a90b7ee0345e59
all runs: crashed: SYZFAIL: netlink_send_ext: netlink read failed
testing current HEAD 8034e99d1a010a795b979582c0b2370584d8abf4
testing commit 8034e99d1a010a795b979582c0b2370584d8abf4
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b3191d6e163d89c33c4dd70805445152274ab9a3888bc7ff1c37589713ee213c
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 23m24.311722241s (build: 16m21.513006724s, test: 6m30.879377846s)
the crash still happens on HEAD
commit msg: Linux 4.14.266
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout