bisecting fixing commit since 6b6446efedb27c2766745a04f9b5d4449f51391d
building syzkaller on cba33199be220cbf61f7c0c8223d88a25a913d6f
testing commit 6b6446efedb27c2766745a04f9b5d4449f51391d
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: d71b3f1b863e78e2ce86416516920a699e79b09b5aadde874315a9078fb128c3
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: OK
run #15: crashed: WARNING in ieee80211_ibss_csa_beacon
run #16: crashed: WARNING in ieee80211_ibss_csa_beacon
run #17: crashed: WARNING in ieee80211_ibss_csa_beacon
run #18: OK
run #19: OK
testing current HEAD 964f3712e6a7447d9d3203f2be3f6c50e78ea179
testing commit 964f3712e6a7447d9d3203f2be3f6c50e78ea179
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: bfd181203409ba6992f07ca279d4828f8e166cc5be039cff34bed07c93d47b5d
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 32m17.682502311s (build: 19m6.498759218s, test: 12m46.196041276s)
the crash still happens on HEAD
commit msg: Linux 4.14.240
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout