Bug #77785 [NEW]: memory leak⦠in "do_register_internal_class"
From: aotto1968 at t-online dot de
Operating system: linux latest
PHP version: 7.3.3
Package: *General Issues
Bug Type: Bug
Bug description:memory leak⦠in "do_register_internal_class"
Description:
------------
Problem⦠overwrite "lowercase_name" without free ressource.
==44094== 32 bytes in 1 blocks are possibly lost in loss record 1,002 of
2,699
==44094== at 0x4C2A080: malloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==44094== by 0x6A7681: __zend_malloc (zend_alloc.c:2903)
==44094== by 0x6D1834: zend_string_alloc (zend_string.h:133)
==44094== by 0x6DCEE3: zend_string_tolower_ex
(zend_operators.c:2677)
==44094== by 0x6EEAF7: do_register_internal_class (zend_API.c:2730)
==44094== by 0x6EECBF: zend_register_internal_class
(zend_API.c:2775)
==44094== by 0x6EEB7E: zend_register_internal_class_ex
(zend_API.c:2747)
==44094== by 0x683E9B2: phpmsgque_MqDumpC_Init (MqDumpC_php.c:422)
==44094== by 0x6815718: zm_startup_phpmsgque (phpmsgque.c:104)
==44094== by 0x6EBC6A: zend_startup_module_ex (zend_API.c:1878)
==44094== by 0x6EBCE8: zend_startup_module_zval (zend_API.c:1893)
==44094== by 0x6FB15A: zend_hash_apply (zend_hash.c:1688)
==44094== by 0x6EC32C: zend_startup_modules (zend_API.c:2004)
==44094== by 0x633DE1: php_module_startup (main.c:2333)
==44094== by 0x7C1017: php_cli_startup (php_cli.c:420)
==44094== by 0x7C301C: main (php_cli.c:1356)
static zend_class_entry *do_register_internal_class(zend_class_entry
*orig_class_entry, uint32_t ce_flags) /* {{{ */
{
zend_class_entry *class_entry = malloc(sizeof(zend_class_entry));
zend_string *lowercase_name;
*class_entry = *orig_class_entry;
class_entry->type = ZEND_INTERNAL_CLASS;
zend_initialize_class_data(class_entry, 0);
class_entry->ce_flags = ce_flags | ZEND_ACC_CONSTANTS_UPDATED;
class_entry->info.internal.module = EG(current_module);
if (class_entry->info.internal.builtin_functions) {
zend_register_functions(class_entry,
class_entry->info.internal.builtin_functions,
&class_entry->function_table, MODULE_PERSISTENT);
}
>>>>> lowercase_name = zend_string_tolower_ex(orig_class_entry->name,
1);
>>>>> lowercase_name = zend_new_interned_string(lowercase_name);
zend_hash_update_ptr(CG(class_table), lowercase_name, class_entry);
zend_string_release_ex(lowercase_name, 1);
return class_entry;
}
--
Edit bug report at https://bugs.php.net/bug.php?id=77785&edit=1
--
Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=77785&r=trysnapshot54
Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=77785&r=trysnapshot55
Try a snapshot (trunk): https://bugs.php.net/fix.php?id=77785&r=trysnapshottrunk
Fixed in SVN: https://bugs.php.net/fix.php?id=77785&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=77785&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=77785&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=77785&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=77785&r=oldversion
Not developer issue: https://bugs.php.net/fix.php?id=77785&r=support
Expected behavior: https://bugs.php.net/fix.php?id=77785&r=notwrong
Not enough info: https://bugs.php.net/fix.php?id=77785&r=notenoughinfo
Submitted twice: https://bugs.php.net/fix.php?id=77785&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=77785&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=77785&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=77785&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=77785&r=isapi
Install GNU Sed: https://bugs.php.net/fix.php?id=77785&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=77785&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=77785&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=77785&r=mysqlcfg
Thread (3 messages)
- aotto1968 at t-online dot de