bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on 5ef9c29141f85f210b326ce68718498ae0c1fd35
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c5566824eef0898b7ffca0c70485ccb8093ce6d67696874bc6550077b1491c8e
all runs: crashed: WARNING in __cfg80211_ibss_joined
testing current HEAD dffb5c6ff09c51ed585e3e7665143df103867fc8
testing commit dffb5c6ff09c51ed585e3e7665143df103867fc8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: edafa6b417b5623f520124849dc58550dfbc3ae714df88ecc3a7c5976fb484bf
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 29m48.058019553s (build: 15m46.909526319s, test: 13m35.772194242s)
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