Bug #79835 [NEW]: Segfault in php_str_replace_in_subject
From: changochen1 at gmail dot com
Operating system:
PHP version: 8.0Git-2020-07-11 (Git)
Package: Scripting Engine problem
Bug Type: Bug
Bug description:Segfault in php_str_replace_in_subject
Description:
------------
Stack dump:
---
MemorySanitizer:DEADLYSIGNAL
==173470==ERROR: MemorySanitizer: SEGV on unknown address 0x000000000010
(pc 0x000000fbecb3 bp 0x000000000000 sp 0x7ffdf46657f0 T173470)
==173470==The signal is caused by a READ memory access.
==173470==Hint: address points to the zero page.
#0 0xfbecb2 in php_str_replace_in_subject
/home/yongheng/php_clean/ext/standard/string.c
#1 0xfa9b3b in php_str_replace_common
/home/yongheng/php_clean/ext/standard/string.c:4289:13
#2 0x15dbed2 in ZEND_DO_ICALL_SPEC_RETVAL_UNUSED_HANDLER
/home/yongheng/php_clean/Zend/zend_vm_execute.h:1226:2
#3 0x14307ff in execute_ex
/home/yongheng/php_clean/Zend/zend_vm_execute.h:52020:7
#4 0x1431214 in zend_execute
/home/yongheng/php_clean/Zend/zend_vm_execute.h:56362:2
#5 0x138d418 in zend_execute_scripts
/home/yongheng/php_clean/Zend/zend.c:1667:4
#6 0x10f0cf9 in php_execute_script
/home/yongheng/php_clean/main/main.c:2537:14
#7 0x179c8af in do_cli
/home/yongheng/php_clean/sapi/cli/php_cli.c:951:5
#8 0x1798c9f in main
/home/yongheng/php_clean/sapi/cli/php_cli.c:1349:18
#9 0x7fc89b004b96 in __libc_start_main
/build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:310
#10 0x43fa49 in _start
(/home/yongheng/php_clean/bld/sapi/cli/php+0x43fa49)
MemorySanitizer can not provide additional info.
SUMMARY: MemorySanitizer: SEGV
/home/yongheng/php_clean/ext/standard/string.c in
php_str_replace_in_subject
==173470==ABORTING
---
Test script:
---------------
<?
function b () {
in_array ( $c , array ( ob_start ( function ( $buffer ) {
$GLOBALS [] = $buffer ;
}
, 1 ) ) , var_dump ( $a ) > mkdir ( $d ) );
}
b () ;
var_dump ( max ( function ( $f ) {}, 1 ) , array ( array ( $g , $g ) ,
'x' => array ( 7 , array () ) ) ) ;
str_replace ( array ( array ( $$e )) , 7 , $GLOBALS ) ;
--
Edit bug report at https://bugs.php.net/bug.php?id=79835&edit=1
--
Fix committed: https://bugs.php.net/fix.php?id=79835&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=79835&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=79835&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=79835&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=79835&r=oldversion
Not developer issue: https://bugs.php.net/fix.php?id=79835&r=support
Expected behavior: https://bugs.php.net/fix.php?id=79835&r=notwrong
Not enough info: https://bugs.php.net/fix.php?id=79835&r=notenoughinfo
Submitted twice: https://bugs.php.net/fix.php?id=79835&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=79835&r=globals
PHP version support discontinued: https://bugs.php.net/fix.php?id=79835&r=phptooold
Daylight Savings: https://bugs.php.net/fix.php?id=79835&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=79835&r=isapi
Install GNU Sed: https://bugs.php.net/fix.php?id=79835&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=79835&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=79835&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=79835&r=mysqlcfg
Thread (1 message)
- changochen1 at gmail dot com