bisecting fixing commit since e3a56aaade89bc89f33baec11b12538fc22536e2
building syzkaller on dc9e52595336dbe32f9a20f5da9f09cb8172cd21
testing commit e3a56aaade89bc89f33baec11b12538fc22536e2
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 71d2c7f74e207bb1934cabf411e69047949373afe3209ce35e1f046db6a563e9
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 1048779a1d7dcf0b5c150188decafa21c19821e4
testing commit 1048779a1d7dcf0b5c150188decafa21c19821e4
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c938fd77a24a988692ff60b782b42ccfa35ec073daddd015563f89498abd4356
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 21m55.056991689s (build: 15m13.990094193s, test: 6m10.663786817s)
the crash still happens on HEAD
commit msg: Linux 4.14.287
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