bisecting fixing commit since 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
building syzkaller on 70c104a18f3d409bc6dde950b50258d3d280d99b
testing commit 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 48dd314a05d1bf08a0bdfd9a02f27369cdc0ddeecb36cd497f219beb3d98900d
all runs: crashed: general protection fault in vxlan_fdb_destroy
testing current HEAD dffb5c6ff09c51ed585e3e7665143df103867fc8
testing commit dffb5c6ff09c51ed585e3e7665143df103867fc8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 115ce2f6bcf55f2b97d253f4a9eedbf0775caaed90a6509fdf39b06408d0fc5f
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 28m58.691595248s (build: 21m36.709261544s, test: 6m39.458897978s)
the crash still happens on HEAD
commit msg: Linux 4.14.280
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1