bisecting fixing commit since ca4f2c56d4162a4a5236f2099b55453fb98296f9
building syzkaller on 0487ea6f5d997a8363eba0d2eb0ea7a925444555
testing commit ca4f2c56d4162a4a5236f2099b55453fb98296f9
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 4cba136a139e5cf198c505fa6f45816260c1d9eeb4cd6618ee2a446846286d65
all runs: crashed: KASAN: use-after-free Read in vlan_dev_get_iflink
testing current HEAD 46914f96189be290174e378c6bf9ccadfdb9ca1e
testing commit 46914f96189be290174e378c6bf9ccadfdb9ca1e
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 3e2d42d71051a5858f5329f63f503cfa9dbe14296672543a98e4780c3e3e52ff
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 25m56.940666839s (build: 18m51.608360469s, test: 6m31.628082622s)
the crash still happens on HEAD
commit msg: Linux 4.14.243
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