diff --git a/UPGRADING.INTERNALS b/UPGRADING.INTERNALS index acc9612b72e30..ae8a28ac23acb 100644 --- a/UPGRADING.INTERNALS +++ b/UPGRADING.INTERNALS @@ -45,6 +45,8 @@ PHP 8.5 INTERNALS UPGRADE NOTES properties. . ZEND_IS_XDIGIT() macro was removed because it was unused and its name did not match its actual behavior. + . zend_register_constant() now returns a pointer to the added constant + on success and NULL on failure instead of SUCCESS/FAILURE. ======================== 2. Build system changes diff --git a/Zend/tests/attributes/constants/oss_fuzz_428053935.phpt b/Zend/tests/attributes/constants/oss_fuzz_428053935.phpt new file mode 100644 index 0000000000000..97747fd6194fd --- /dev/null +++ b/Zend/tests/attributes/constants/oss_fuzz_428053935.phpt @@ -0,0 +1,19 @@ +--TEST-- +OSS-Fuzz #428053935 +--FILE-- +getAttributes()); +?> +--EXPECTF-- +array(1) { + [0]=> + object(ReflectionAttribute)#%d (1) { + ["name"]=> + string(8) "Foo\Attr" + } +} diff --git a/Zend/zend_builtin_functions.c b/Zend/zend_builtin_functions.c index 48e5c70897294..fc3b0f57d85e7 100644 --- a/Zend/zend_builtin_functions.c +++ b/Zend/zend_builtin_functions.c @@ -592,7 +592,7 @@ ZEND_FUNCTION(define) /* non persistent */ ZEND_CONSTANT_SET_FLAGS(&c, 0, PHP_USER_CONSTANT); c.name = zend_string_copy(name); - if (zend_register_constant(&c) == SUCCESS) { + if (zend_register_constant(&c) != NULL) { RETURN_TRUE; } else { RETURN_FALSE; diff --git a/Zend/zend_constants.c b/Zend/zend_constants.c index ffad8315ae40d..db37b9cf76824 100644 --- a/Zend/zend_constants.c +++ b/Zend/zend_constants.c @@ -505,11 +505,11 @@ static void* zend_hash_add_constant(HashTable *ht, zend_string *key, zend_consta return ret; } -ZEND_API zend_result zend_register_constant(zend_constant *c) +ZEND_API zend_constant *zend_register_constant(zend_constant *c) { zend_string *lowercase_name = NULL; zend_string *name; - zend_result ret = SUCCESS; + zend_constant *ret = NULL; bool persistent = (ZEND_CONSTANT_FLAGS(c) & CONST_PERSISTENT) != 0; #if 0 @@ -539,7 +539,7 @@ ZEND_API zend_result zend_register_constant(zend_constant *c) /* Check if the user is trying to define any special constant */ if (zend_string_equals_literal(name, "__COMPILER_HALT_OFFSET__") || (!persistent && zend_get_special_const(ZSTR_VAL(name), ZSTR_LEN(name))) - || zend_hash_add_constant(EG(zend_constants), name, c) == NULL + || (ret = zend_hash_add_constant(EG(zend_constants), name, c)) == NULL ) { zend_error(E_WARNING, "Constant %s already defined", ZSTR_VAL(name)); zend_string_release(c->name); @@ -550,7 +550,6 @@ ZEND_API zend_result zend_register_constant(zend_constant *c) if (!persistent) { zval_ptr_dtor_nogc(&c->value); } - ret = FAILURE; } if (lowercase_name) { zend_string_release(lowercase_name); diff --git a/Zend/zend_constants.h b/Zend/zend_constants.h index 3912215d80775..69ea1d9021a83 100644 --- a/Zend/zend_constants.h +++ b/Zend/zend_constants.h @@ -97,7 +97,7 @@ ZEND_API void zend_register_long_constant(const char *name, size_t name_len, zen ZEND_API void zend_register_double_constant(const char *name, size_t name_len, double dval, int flags, int module_number); ZEND_API void zend_register_string_constant(const char *name, size_t name_len, const char *strval, int flags, int module_number); ZEND_API void zend_register_stringl_constant(const char *name, size_t name_len, const char *strval, size_t strlen, int flags, int module_number); -ZEND_API zend_result zend_register_constant(zend_constant *c); +ZEND_API zend_constant *zend_register_constant(zend_constant *c); void zend_constant_add_attributes(zend_constant *c, HashTable *attributes); #ifdef ZTS void zend_copy_constants(HashTable *target, HashTable *source); diff --git a/Zend/zend_vm_def.h b/Zend/zend_vm_def.h index be7bc8b37b7dd..51aaf635b3b30 100644 --- a/Zend/zend_vm_def.h +++ b/Zend/zend_vm_def.h @@ -8261,7 +8261,7 @@ ZEND_VM_HANDLER(143, ZEND_DECLARE_CONST, CONST, CONST) ZEND_CONSTANT_SET_FLAGS(&c, 0, PHP_USER_CONSTANT); c.name = zend_string_copy(Z_STR_P(name)); - if (zend_register_constant(&c) == FAILURE) { + if (zend_register_constant(&c) == NULL) { } FREE_OP1(); @@ -8274,7 +8274,7 @@ ZEND_VM_HANDLER(210, ZEND_DECLARE_ATTRIBUTED_CONST, CONST, CONST) USE_OPLINE zval *name; zval *val; - zend_constant c; + zend_constant c, *registered; SAVE_OPLINE(); name = GET_OP1_ZVAL_PTR(BP_VAR_R); @@ -8293,7 +8293,8 @@ ZEND_VM_HANDLER(210, ZEND_DECLARE_ATTRIBUTED_CONST, CONST, CONST) ZEND_CONSTANT_SET_FLAGS(&c, 0, PHP_USER_CONSTANT); c.name = zend_string_copy(Z_STR_P(name)); - if (zend_register_constant(&c) == FAILURE) { + registered = zend_register_constant(&c); + if (registered == NULL) { FREE_OP1(); FREE_OP2(); /* two opcodes used, second one is the data with attributes */ @@ -8301,9 +8302,7 @@ ZEND_VM_HANDLER(210, ZEND_DECLARE_ATTRIBUTED_CONST, CONST, CONST) } HashTable *attributes = Z_PTR_P(GET_OP_DATA_ZVAL_PTR(BP_VAR_R)); - zend_constant *registered = zend_get_constant_ptr(c.name); ZEND_ASSERT(attributes != NULL); - ZEND_ASSERT(registered != NULL); zend_constant_add_attributes(registered, attributes); FREE_OP1(); diff --git a/Zend/zend_vm_execute.h b/Zend/zend_vm_execute.h index 3a13f4244d361..f29c6b4726145 100644 --- a/Zend/zend_vm_execute.h +++ b/Zend/zend_vm_execute.h @@ -8043,7 +8043,7 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_DECLARE_CONST_SPEC_CONST_CONST ZEND_CONSTANT_SET_FLAGS(&c, 0, PHP_USER_CONSTANT); c.name = zend_string_copy(Z_STR_P(name)); - if (zend_register_constant(&c) == FAILURE) { + if (zend_register_constant(&c) == NULL) { } @@ -8055,7 +8055,7 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_DECLARE_ATTRIBUTED_CONST_SPEC_ USE_OPLINE zval *name; zval *val; - zend_constant c; + zend_constant c, *registered; SAVE_OPLINE(); name = RT_CONSTANT(opline, opline->op1); @@ -8074,7 +8074,8 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_DECLARE_ATTRIBUTED_CONST_SPEC_ ZEND_CONSTANT_SET_FLAGS(&c, 0, PHP_USER_CONSTANT); c.name = zend_string_copy(Z_STR_P(name)); - if (zend_register_constant(&c) == FAILURE) { + registered = zend_register_constant(&c); + if (registered == NULL) { /* two opcodes used, second one is the data with attributes */ @@ -8082,9 +8083,7 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_DECLARE_ATTRIBUTED_CONST_SPEC_ } HashTable *attributes = Z_PTR_P(get_op_data_zval_ptr_r((opline+1)->op1_type, (opline+1)->op1)); - zend_constant *registered = zend_get_constant_ptr(c.name); ZEND_ASSERT(attributes != NULL); - ZEND_ASSERT(registered != NULL); zend_constant_add_attributes(registered, attributes);