bisecting fixing commit since 6b6446efedb27c2766745a04f9b5d4449f51391d
building syzkaller on cba33199be220cbf61f7c0c8223d88a25a913d6f
testing commit 6b6446efedb27c2766745a04f9b5d4449f51391d
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 95f2369aabfe178163e1ccf6fe7cc4bbfb320d5cc10fbc356c124b15f6e2642d
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: crashed: WARNING in ieee80211_ibss_csa_beacon
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: crashed: WARNING in ieee80211_ibss_csa_beacon
run #19: OK
testing current HEAD 84bae26850e3b384a45f0f9a5f8b3b5983afacd8
testing commit 84bae26850e3b384a45f0f9a5f8b3b5983afacd8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 632f9772273ae254f59c29ef3f526d05aca5b5df43159995a22bbad97bd13f8e
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 28m58.096358473s (build: 16m2.690369363s, test: 12m30.462253723s)
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