bisecting fixing commit since 397a88b2cc869c823bf40bc403d36a62afec1edd
building syzkaller on f89ed068375b8e31b9575a0ecc834c602657a9a9
testing commit 397a88b2cc869c823bf40bc403d36a62afec1edd with gcc (GCC) 8.4.1 20210217
kernel signature: 0eaa2428a30149cb9301574fe3ed3fec3889742b5e60e6fcccc7a5519db3d0fc
all runs: crashed: SYZFAIL: setns(netns) failed
testing current HEAD 313e82bbefb3d1d926858b58092f5d50f41d924d
testing commit 313e82bbefb3d1d926858b58092f5d50f41d924d with gcc (GCC) 8.4.1 20210217
kernel signature: 3d21d140d546dc069ed4afe1119583e7f8251f392db761cf0bee31565d522c9b
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 21m55.341431587s (build: 15m16.061794956s, test: 6m16.613880302s)
the crash still happens on HEAD
commit msg: Linux 4.14.238
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout