bcmul memory leak

[YuanchengJiang]

Description

The following code:

<?php
$timestamp = mktime(8, 8, 8, 8, 8, 2008);
bcmul($fusion,$fusion,$timestamp);

Resulted in this output:

==814951==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 40 byte(s) in 1 object(s) allocated from:
    #0 0x6807ed in malloc (/home/phpfuzz/WorkSpace/flowfusion/php-src/sapi/cli/php+0x6807ed)
    #1 0x3ba8473 in __zend_malloc /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_alloc.c:3280:14
    #2 0xe4b4e0 in _bc_new_num_nonzeroed_ex_internal /home/phpfuzz/WorkSpace/flowfusion/php-src/ext/bcmath/libbcmath/src/init.c:50:10
    #3 0xe4a3b3 in _bc_new_num_ex /home/phpfuzz/WorkSpace/flowfusion/php-src/ext/bcmath/libbcmath/src/init.c:64:16
    #4 0xe4bded in bc_init_numbers /home/phpfuzz/WorkSpace/flowfusion/php-src/ext/bcmath/libbcmath/src/init.c:93:16
    #5 0xdfd0eb in zm_globals_ctor_bcmath /home/phpfuzz/WorkSpace/flowfusion/php-src/ext/bcmath/bcmath.c:105:2
    #6 0x3505234 in tsrm_update_active_threads /home/phpfuzz/WorkSpace/flowfusion/php-src/TSRM/TSRM.c:265:7
    #7 0x35042ba in ts_allocate_id /home/phpfuzz/WorkSpace/flowfusion/php-src/TSRM/TSRM.c:306:2
    #8 0x3bfc111 in zend_startup_module_ex /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_API.c:2421:3
    #9 0x3c01b5e in zend_startup_module_zval /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_API.c:2445:10
    #10 0x4833163 in zend_hash_apply /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_hash.c:2085:13
    #11 0x3c00d8b in zend_startup_modules /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_API.c:2568:2
    #12 0x3537ba2 in php_module_startup /home/phpfuzz/WorkSpace/flowfusion/php-src/main/main.c:2289:2
    #13 0x4d5ae58 in php_cli_startup /home/phpfuzz/WorkSpace/flowfusion/php-src/sapi/cli/php_cli.c:397:9
    #14 0x4d50c79 in main /home/phpfuzz/WorkSpace/flowfusion/php-src/sapi/cli/php_cli.c:1280:6
    #15 0x7f54919ced8f in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16

SUMMARY: AddressSanitizer: 40 byte(s) leaked in 1 allocation(s).

PHP Version

nightly

Operating System

No response

[YuanchengJiang]

<?php
$x = 882858043;
bcpow($fusion,$fusion,$x);