bisecting fixing commit since ed99bf0e81b558df39f7db2fa96d0228be4198c6
building syzkaller on 0c5d9412d774262384cbdbe9d672b077364ed776
testing commit ed99bf0e81b558df39f7db2fa96d0228be4198c6
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 3f9b404ae11a96a6a0f042b185321206446e0f39fc353649944d2bbf208cb512
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD b86ee2b7ae42b6b37a918b66236608e2cc325f59
testing commit b86ee2b7ae42b6b37a918b66236608e2cc325f59
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 11e08bbf4d6cd391b4f3073b5d3b48bb055287248e0316c1927e60ca8be9d7cb
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 28m33.824679093s (build: 21m4.92551411s, test: 6m30.682894874s)
the crash still happens on HEAD
commit msg: Linux 4.14.264
crash: unregister_netdevice: waiting for DEV to become free
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout