bisecting fixing commit since ca4f2c56d4162a4a5236f2099b55453fb98296f9
building syzkaller on 0487ea6f5d997a8363eba0d2eb0ea7a925444555
testing commit ca4f2c56d4162a4a5236f2099b55453fb98296f9 with gcc (GCC) 8.4.1 20210217
kernel signature: 95201ca637101dcdc0c90d16a80046b9ebafb0d44641270f8ad9b8f7e374445d
all runs: crashed: KASAN: use-after-free Read in hci_send_acl
testing current HEAD 96afcb20f36f07683aaa342e592ea8ec76fd1fa6
testing commit 96afcb20f36f07683aaa342e592ea8ec76fd1fa6 with gcc (GCC) 8.4.1 20210217
kernel signature: 14d53c4749423020adf4e0578ef94e166a0ca9c098fcb913be84e6e34791288d
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 30m35.147748606s (build: 23m35.680835736s, test: 6m23.455866116s)
the crash still happens on HEAD
commit msg: Linux 4.14.233
crash: unregister_netdevice: waiting for DEV to become free
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1