bisecting fixing commit since 6b6446efedb27c2766745a04f9b5d4449f51391d
building syzkaller on cba33199be220cbf61f7c0c8223d88a25a913d6f
testing commit 6b6446efedb27c2766745a04f9b5d4449f51391d
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 5353a1818e1a8e1de16149fa4abd18f04e3c58eb2897ac7f402f87181322b247
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: OK
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: OK
run #17: crashed: WARNING in ieee80211_ibss_csa_beacon
run #18: OK
run #19: OK
testing current HEAD dffb5c6ff09c51ed585e3e7665143df103867fc8
testing commit dffb5c6ff09c51ed585e3e7665143df103867fc8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 827cf9772db6001b3029acfa4ddba83ef12f92b4644857bbc94f24a7a98a06d8
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m19.339282788s (build: 14m24.450910146s, test: 12m30.862938009s)
the crash still happens on HEAD
commit msg: Linux 4.14.280
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