Fix null deref in bin.symbols ##crash

* Reported by cnitlrt via huntr.dev
radareorg · Feb 21, 2022 · 515e592 · 515e592
1 parent 27fe803
commit 515e592
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/libr/bin/p/bin_symbols.c b/libr/bin/p/bin_symbols.c
@@ -1,4 +1,4 @@
-/* radare - LGPL - Copyright 2018 - pancake */
+/* radare - LGPL - Copyright 2018-2022 - pancake */
 
 #include <r_types.h>
 #include <r_util.h>
@@ -361,6 +361,9 @@ static RList *symbols(RBinFile *bf) {
 	bool found = false;
 	for (i = 0; i < element->hdr->n_lined_symbols; i++) {
 		RCoreSymCacheElementSymbol *sym = (RCoreSymCacheElementSymbol *)&element->lined_symbols[i];
+		if (!sym) {
+			break;
+		}
 		ht_uu_find (hash, sym->paddr, &found);
 		if (found) {
 			continue;