Bug #79782 [Opn->Dup]: Segfault in cleanup_unfinished_calls
| From: | nikic@php.net | Date: | Sat, 04 Jul 2020 08:03:29 +0000 |
| Subject: | Bug #79782 [Opn->Dup]: Segfault in cleanup_unfinished_calls | ||
| References: | 1 | Groups: | php.bugs |
| Request: | Send a blank email to php-bugs+get-227809@lists.php.net to get a copy of this message | ||
Edit report at https://bugs.php.net/bug.php?id=79782&edit=1
ID: 79782
Updated by: nikic@php.net
Reported by: changochen1 at gmail dot com
Summary: Segfault in cleanup_unfinished_calls
-Status: Open
+Status: Duplicate
Type: Bug
Package: Scripting Engine problem
PHP Version: 8.0Git-2020-07-04 (Git)
Block user comment: N
Private report: N
New Comment:
Same root cause as bug #79777.
Previous Comments:
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[2020-07-04 00:44:15] changochen1 at gmail dot com
Description:
------------
Cmdline: php -f poc
In debug build, it triggered assertion `(executor_globals.exception)' failed.
Stack dump:
---
MemorySanitizer:DEADLYSIGNAL
==229074==ERROR: MemorySanitizer: SEGV on unknown address 0x7fa0046c45dc (pc 0x0000013ea448 bp
0x000000000000 sp 0x7ffefbc8faf0 T229074)
==229074==The signal is caused by a READ memory access.
#0 0x13ea447 in cleanup_unfinished_calls /home/yongheng/php_clean/Zend/zend_execute.c
#1 0x158fe8a in ZEND_HANDLE_EXCEPTION_SPEC_HANDLER
/home/yongheng/php_clean/Zend/zend_vm_execute.h:2572:2
#2 0x13ec04f in execute_ex /home/yongheng/php_clean/Zend/zend_vm_execute.h:51852:7
#3 0x13ec844 in zend_execute /home/yongheng/php_clean/Zend/zend_vm_execute.h:56146:2
#4 0x1337c58 in zend_execute_scripts /home/yongheng/php_clean/Zend/zend.c:1667:4
#5 0x10c1cd7 in php_execute_script /home/yongheng/php_clean/main/main.c:2579:14
#6 0x171abf1 in do_cli /home/yongheng/php_clean/sapi/cli/php_cli.c:958:5
#7 0x1716fcf in main /home/yongheng/php_clean/sapi/cli/php_cli.c:1357:18
#8 0x7f9b4553ab96 in __libc_start_main
/build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:310
#9 0x440309 in _start (/home/yongheng/php_clean/asan/sapi/cli/php+0x440309)
MemorySanitizer can not provide additional info.
SUMMARY: MemorySanitizer: SEGV /home/yongheng/php_clean/Zend/zend_execute.c in
cleanup_unfinished_calls
---
Test script:
---------------
<?
vprintf(die(function(){}));
------------------------------------------------------------------------
--
Edit this bug report at https://bugs.php.net/bug.php?id=79782&edit=1