bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on b74c49a6af84e6ab50018024e8862263b1e0bd6d
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 8561f6b9685c1352fabac6482c52e1fb12cb6d074acefbba113ea48ad8f63a1f
all runs: crashed: WARNING in sta_info_insert_rcu
testing current HEAD 5f9f3b0057d5c5782985784ba0159b05b4083055
testing commit 5f9f3b0057d5c5782985784ba0159b05b4083055
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: f67e1fcd55393ee0e6d9923d9a58bd160cae2384c9b6382cb9b46eb9abfd7b56
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m35.537052656s (build: 19m43.977190665s, test: 6m21.644572333s)
the crash still happens on HEAD
commit msg: Linux 4.14.255
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout