bisecting fixing commit since 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
building syzkaller on 70c104a18f3d409bc6dde950b50258d3d280d99b
testing commit 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 696ca296221bde4f2605b1df22beab73de9242c4ef14b6ce616078a2a35bd05a
all runs: crashed: general protection fault in vxlan_fdb_destroy
testing current HEAD a35d65bedfbc38cffe2701798cd6810bbdf07892
testing commit a35d65bedfbc38cffe2701798cd6810bbdf07892
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 86fa8d896100995fb6dc7b0c6ad9005e0039a009e474dbadc995358bdb784027
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 33m22.816713003s (build: 26m13.954933051s, test: 6m15.838900529s)
the crash still happens on HEAD
commit msg: Linux 4.14.267
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1