bisecting fixing commit since 29c52025152bab4c557d8174da58f1a4c8e70438
building syzkaller on fcc6d71be2c3ce7d9305c04fc2e87af554571bac
testing commit 29c52025152bab4c557d8174da58f1a4c8e70438
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 89c7f56054283fbbb5fac1905c19c6771dd717db4ca6808efd7fa58587e651eb
all runs: crashed: SYZFAIL: clone failed
testing current HEAD f11944f1aa1cda3fd8b4edc71e3cf9dceb40234f
testing commit f11944f1aa1cda3fd8b4edc71e3cf9dceb40234f
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: a8362266462a8425f64307ea4f7807d4031ef59ed89b4a0db517c84c3ca1ab2b
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m51.660323208s (build: 19m18.260731793s, test: 6m56.74932204s)
the crash still happens on HEAD
commit msg: Linux 4.14.248
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout