D57976.diff
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	diff --git a/sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c b/sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c
	--- a/sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c
	+++ b/sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c
	@@ -14276,6 +14276,18 @@
	return (-1);
	}

	+ if (sec->dofs_offset < sizeof (dof_hdr_t)) {
	+ dtrace_dof_error(dof, "section overlaps header");
	+ return (-1);
	+ }
	+
	+ if (sec->dofs_offset + sec->dofs_size > dof->dofh_secoff &&
	+ sec->dofs_offset < dof->dofh_secoff +
	+ dof->dofh_secnum * dof->dofh_secsize) {
	+ dtrace_dof_error(dof, "invalid section offset");
	+ return (-1);
	+ }
	+
	if (sec->dofs_type == DOF_SECT_STRTAB && ((char )daddr +
	sec->dofs_offset + sec->dofs_size - 1) != '\0') {
	dtrace_dof_error(dof, "non-terminating string table");