bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on 5ef9c29141f85f210b326ce68718498ae0c1fd35
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: f7f04d55040a2b2733ea0f85068d1a2f0427243535782ef3a47ce4eb044c0192
run #0: crashed: WARNING in __cfg80211_ibss_joined
run #1: crashed: WARNING in __cfg80211_ibss_joined
run #2: crashed: WARNING in __cfg80211_ibss_joined
run #3: crashed: WARNING in __cfg80211_ibss_joined
run #4: crashed: WARNING in __cfg80211_ibss_joined
run #5: crashed: WARNING in __cfg80211_ibss_joined
run #6: crashed: WARNING in __cfg80211_ibss_joined
run #7: crashed: WARNING in __cfg80211_ibss_joined
run #8: crashed: WARNING in __cfg80211_ibss_joined
run #9: crashed: WARNING in __cfg80211_ibss_joined
run #10: crashed: WARNING in __cfg80211_ibss_joined
run #11: crashed: WARNING in __cfg80211_ibss_joined
run #12: crashed: WARNING in __cfg80211_ibss_joined
run #13: crashed: WARNING in __cfg80211_ibss_joined
run #14: crashed: WARNING in __cfg80211_ibss_joined
run #15: crashed: WARNING in __cfg80211_ibss_joined
run #16: crashed: WARNING in __cfg80211_ibss_joined
run #17: crashed: WARNING in __cfg80211_ibss_joined
run #18: OK
run #19: crashed: WARNING in __cfg80211_ibss_joined
testing current HEAD 84bae26850e3b384a45f0f9a5f8b3b5983afacd8
testing commit 84bae26850e3b384a45f0f9a5f8b3b5983afacd8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: bf8c31e4979ccf8f1793546e98cdbc48bd4d35efddc4dc8eca7deb23c2b93e81
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 30m39.955677798s (build: 15m50.086797566s, test: 14m25.848044788s)
the crash still happens on HEAD
commit msg: Linux 4.14.284
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