bisecting fixing commit since eb045674aab31aa55a4f9aec27cce36e3d946a21
building syzkaller on e2d91b1d0dd8c8b4760986ec8114469246022bb8
testing commit eb045674aab31aa55a4f9aec27cce36e3d946a21
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 5b90baeeddb8f4ee137187521933f8379d7e7a5a5905aa0f1182e3c4e4a97ad6
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 690285a9380d183e6d286d90e458fa7c3f97eca2
testing commit 690285a9380d183e6d286d90e458fa7c3f97eca2
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: bbc543745517b726154eadd6dc6a1cbf385c399cbd1c98b10668d3c470ecb77d
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 25m20.606451454s (build: 18m18.146943793s, test: 6m31.773996756s)
the crash still happens on HEAD
commit msg: Linux 4.14.279
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci0 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout