D26895.id78563.diff
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D26895.id78563.diff
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	Index: sys/ddb/db_sym.c
	===================================================================
	--- sys/ddb/db_sym.c
	+++ sys/ddb/db_sym.c
	@@ -371,8 +371,15 @@
	unsigned int diff;
	size_t newdiff;
	int i;
	- c_db_sym_t ret = C_DB_SYM_NULL, sym;
	+ c_db_sym_t ret, sym;

	+ /* Prevent pollution from bogus symbols. */
	+ if (val < PAGE_SIZE) {
	+ *offp = 0;
	+ return (C_DB_SYM_NULL);
	+ }
	+
	+ ret = C_DB_SYM_NULL;
	newdiff = diff = val;
	for (i = 0; i < db_nsymtab; i++) {
	sym = X_db_search_symbol(&db_symtabs[i], val, strategy, &newdiff);