bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on b74c49a6af84e6ab50018024e8862263b1e0bd6d
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 3e8f32edce24199cd4223b5eb54b45d0234fd0d83153ba7a71adac1c325e6a3e
all runs: crashed: WARNING in sta_info_insert_rcu
testing current HEAD dffb5c6ff09c51ed585e3e7665143df103867fc8
testing commit dffb5c6ff09c51ed585e3e7665143df103867fc8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b4a477ef8a9cfef4e1f240855abcb1b6a37dc2bc54d5f4cc2a1aac1a7570e00c
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m14.775528946s (build: 19m13.49949618s, test: 6m35.150171818s)
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