bisecting fixing commit since 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
building syzkaller on 70c104a18f3d409bc6dde950b50258d3d280d99b
testing commit 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c56b7053d338f775c2ca5fd27164de0a8fcedf1242a431999e83233b7a5d5ef1
all runs: crashed: general protection fault in vxlan_fdb_destroy
testing current HEAD 4ba8e26127c393c32776dff6d79c5b82de6dc542
testing commit 4ba8e26127c393c32776dff6d79c5b82de6dc542
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: d9712c1286a20608a51eabaf94d58e23996d90ab7ca8a1a51174fb4ebce85cfd
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m13.483664424s (build: 18m55.255868042s, test: 6m41.420888469s)
the crash still happens on HEAD
commit msg: Linux 4.14.262
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1