bisecting fixing commit since cfb41ef9deb1e6572ac218ddfcec9567e5d1c101
building syzkaller on 9d2ab5dfe7727dfea4b9b279f4edf731acb386ef
testing commit cfb41ef9deb1e6572ac218ddfcec9567e5d1c101
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 854ab61eaedd1ff836f7c3a964cd157ec34751fcfcb2fb4911223c262c66e45f
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 8ea4f73cfa7e0555dc03aedde52db54a6587ab43
testing commit 8ea4f73cfa7e0555dc03aedde52db54a6587ab43
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 829530a24423c7c392e8fe01fef2df1610a40a2ad1100d5c5a2ce9b443c5315d
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 24m36.290904397s (build: 17m51.601290877s, test: 6m23.121027997s)
the crash still happens on HEAD
commit msg: Linux 4.14.247
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 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 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: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout