bisecting fixing commit since b850307b279cbd12ab8c654d1a3dfe55319cc475 building syzkaller on 6e569755ce2f0efcad474398871ff75693e770fc testing commit b850307b279cbd12ab8c654d1a3dfe55319cc475 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: d6b942231098b0d9c6c8fb7c2e7c13654138e6e7518089fe463e404bd4f73aab all runs: crashed: general protection fault in do_con_write testing current HEAD 8ea4f73cfa7e0555dc03aedde52db54a6587ab43 testing commit 8ea4f73cfa7e0555dc03aedde52db54a6587ab43 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 17c5fc4ae22cfd6628cde2907b45fa4c173169f5555dff000e762cb76f00c0fb all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 30m49.962504696s (build: 23m48.678013705s, test: 6m23.547039999s) the crash still happens on HEAD commit msg: Linux 4.14.247 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