D27243.id79740.diff
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	Index: head/usr.sbin/bhyve/bhyverun.c
	===================================================================
	--- head/usr.sbin/bhyve/bhyverun.c
	+++ head/usr.sbin/bhyve/bhyverun.c
	@@ -766,7 +766,11 @@
	vie_restart(vie);
	mode = vmexit->u.inst_emul.paging.cpu_mode;
	cs_d = vmexit->u.inst_emul.cs_d;
	- (void)vmm_decode_instruction(mode, cs_d, vie);
	+ if (vmm_decode_instruction(mode, cs_d, vie) != 0)
	+ goto fail;
	+ if (vm_set_register(ctx, *pvcpu, VM_REG_GUEST_RIP,
	+ vmexit->rip + vie->num_processed) != 0)
	+ goto fail;
	}

	err = emulate_mem(ctx, *pvcpu, vmexit->u.inst_emul.gpa,
	@@ -777,15 +781,17 @@
	EPRINTLN("Unhandled memory access to 0x%lx\n",
	vmexit->u.inst_emul.gpa);
	}
	-
	- fprintf(stderr, "Failed to emulate instruction sequence [ ");
	- for (i = 0; i < vie->num_valid; i++)
	- fprintf(stderr, "%02x", vie->inst[i]);
	- FPRINTLN(stderr, " ] at 0x%lx", vmexit->rip);
	- return (VMEXIT_ABORT);
	+ goto fail;
	}

	return (VMEXIT_CONTINUE);
	+
	+fail:
	+ fprintf(stderr, "Failed to emulate instruction sequence [ ");
	+ for (i = 0; i < vie->num_valid; i++)
	+ fprintf(stderr, "%02x", vie->inst[i]);
	+ FPRINTLN(stderr, " ] at 0x%lx", vmexit->rip);
	+ return (VMEXIT_ABORT);
	}

	static pthread_mutex_t resetcpu_mtx = PTHREAD_MUTEX_INITIALIZER;