Added missing element in typeof table for DataView() type.

Previously, typeof operation for DataView object resulted in out of bounds array accessing. This fixes #450 issue on Github.
nginx · Dec 24, 2021 · d457c95 · d457c95
1 parent 61c91f5
commit d457c95
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diff --git a/src/njs_vmcode.c b/src/njs_vmcode.c
@@ -1516,6 +1516,7 @@ njs_vmcode_typeof(njs_vm_t *vm, njs_value_t *value, njs_value_t *invld)
         &njs_string_object,
         &njs_string_object,
         &njs_string_object,
+        &njs_string_object,
     };
 
     vm->retval = *types[value->type];

diff --git a/src/test/njs_unit_test.c b/src/test/njs_unit_test.c
@@ -6390,6 +6390,9 @@ static njs_unit_test_t  njs_test[] =
     { njs_str("(new DataView(new ArrayBuffer(3)))"),
       njs_str("[object DataView]") },
 
+    { njs_str("var x = new ArrayBuffer(3); [typeof x, typeof new DataView(x)]"),
+      njs_str("object,object") },
+
     { njs_str("(new DataView(new ArrayBuffer(3))).buffer"),
       njs_str("[object ArrayBuffer]") },