bisecting fixing commit since e3a56aaade89bc89f33baec11b12538fc22536e2
building syzkaller on e9076525f882cc932139b6e813c39f3f0043c3f5
testing commit e3a56aaade89bc89f33baec11b12538fc22536e2
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: d11ed77ca6187d787ddf3c4d3d4554f60eefd8f4807b27db26f44e74d952db54
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 501eec4f9e138b958fc7438e7a745c0d6a7c68b3
testing commit 501eec4f9e138b958fc7438e7a745c0d6a7c68b3
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 0d0e78051b43299a810b9aa3d3d81026f9f9352e7c1fcd3fdf375006239556c7
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 21m14.689289813s (build: 14m52.227221602s, test: 6m0.479971161s)
the crash still happens on HEAD
commit msg: Linux 4.14.281
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