bisecting fixing commit since 6b6446efedb27c2766745a04f9b5d4449f51391d
building syzkaller on cba33199be220cbf61f7c0c8223d88a25a913d6f
testing commit 6b6446efedb27c2766745a04f9b5d4449f51391d
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 1a101533bcb3489b3fdf6d1ff809f962083be80f43f8936866fef2d2c4351f45
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: crashed: WARNING in ieee80211_ibss_csa_beacon
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing current HEAD 424a46ea058e160ae6fdd0693092ba79da533f26
testing commit 424a46ea058e160ae6fdd0693092ba79da533f26
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: facfd0edadc4a1c08c5de2a791425f59cd5a4bbc3b1b2e90b88d25ee7bdcc8ab
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 33m43.198916131s (build: 20m46.48620995s, test: 12m14.444230986s)
the crash still happens on HEAD
commit msg: Linux 4.14.288
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