bisecting fixing commit since 6b6446efedb27c2766745a04f9b5d4449f51391d
building syzkaller on cba33199be220cbf61f7c0c8223d88a25a913d6f
testing commit 6b6446efedb27c2766745a04f9b5d4449f51391d with gcc (GCC) 8.4.1 20210217
kernel signature: c32c8b5d8467985f2a32a6a2818a44cae838a0a40d057e7eb82a5d79ffb7dcc7
run #0: crashed: WARNING in ieee80211_ibss_csa_beacon
run #1: crashed: WARNING in ieee80211_ibss_csa_beacon
run #2: crashed: WARNING in ieee80211_ibss_csa_beacon
run #3: crashed: WARNING in ieee80211_ibss_csa_beacon
run #4: crashed: WARNING in ieee80211_ibss_csa_beacon
run #5: crashed: WARNING in ieee80211_ibss_csa_beacon
run #6: crashed: WARNING in ieee80211_ibss_csa_beacon
run #7: crashed: WARNING in ieee80211_ibss_csa_beacon
run #8: crashed: WARNING in ieee80211_ibss_csa_beacon
run #9: crashed: WARNING in ieee80211_ibss_csa_beacon
run #10: crashed: WARNING in ieee80211_ibss_csa_beacon
run #11: crashed: WARNING in ieee80211_ibss_csa_beacon
run #12: crashed: WARNING in ieee80211_ibss_csa_beacon
run #13: OK
run #14: crashed: WARNING in ieee80211_ibss_csa_beacon
run #15: OK
run #16: OK
run #17: crashed: WARNING in ieee80211_ibss_csa_beacon
run #18: OK
run #19: crashed: WARNING in ieee80211_ibss_csa_beacon
testing current HEAD 96afcb20f36f07683aaa342e592ea8ec76fd1fa6
testing commit 96afcb20f36f07683aaa342e592ea8ec76fd1fa6 with gcc (GCC) 8.4.1 20210217
kernel signature: 73a904d36959f6211ae8a75538c286500c9a6747641982cf70f3ac6ef4637984
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 29m23.948532873s (build: 16m53.697889617s, test: 11m59.068231038s)
the crash still happens on HEAD
commit msg: Linux 4.14.233
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout