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Bug #80551 With wordpress 5.6 and php 8.0 on debian i got a SIGSEGV maybe opcache
Submitted: 2020-12-24 21:39 UTC Modified: -
From: mryodatak at gmail dot com Assigned:
Status: Open Package: Reproducible crash
PHP Version: 8.0.0 OS: Debian 10.7
Private report: No CVE-ID: None
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From: mryodatak at gmail dot com
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 [2020-12-24 21:39 UTC] mryodatak at gmail dot com
Description:
------------
[PHP Modules]
calendar
Core
ctype
date
exif
FFI
fileinfo
filter
ftp
gettext
hash
iconv
json
libxml
mysqli
mysqlnd
openssl
pcntl
pcre
PDO
pdo_mysql
Phar
posix
readline
Reflection
session
shmop
sockets
sodium
SPL
standard
sysvmsg
sysvsem
sysvshm
tokenizer
Zend OPcache
zlib

[Zend Modules]
Zend OPcache



Dec 10 01:16:58 . kernel: php-fpm8.0[5517]: segfault at 5583cf033c54 ip 00005583cf033c54 sp 00007fffd86adbe0 error 14
Dec 10 01:16:58 kernel: Code: Bad RIP value.

(gdb) bt
#0  0x000055e16eea1c54 in ?? ()
#1  0x00000a4e00000a4c in ?? ()
#2  0x000055e134bb48de in zend_hash_real_init_mixed_ex (ht=0x7ffea6c18370) at ./Zend/zend_hash.c:171
#3  zend_hash_real_init_mixed (ht=0x7ffea6c18370) at ./Zend/zend_hash.c:334
#4  0x7bf2814d26900d00 in ?? ()
#5  0x00007ffea6c184f0 in ?? ()
#6  0x00007fbc04c05eb4 in ?? ()
#7  0x00007ffea6c18370 in ?? ()
#8  0x00007fbc04ee35e0 in ?? ()
#9  0x00007fbc04cb3160 in ?? ()
#10 0x00007fbc061242e8 in ?? () from /usr/lib/php/20200930/opcache.so
#11 0x00007fbc06129144 in ?? () from /usr/lib/php/20200930/opcache.so
#12 0x00007fbc061280b6 in ?? () from /usr/lib/php/20200930/opcache.so
#13 0x00007fbc060fc44d in ?? () from /usr/lib/php/20200930/opcache.so
#14 0x00007fbc060ec47a in ?? () from /usr/lib/php/20200930/opcache.so
#15 0x00007fbc060d673e in ?? () from /usr/lib/php/20200930/opcache.so
#16 0x000055e134b6de62 in compile_filename (type=type@entry=2, filename=filename@entry=0x7fbc06214440) at ./Zend/zend_language_scanner.c:721
#17 0x000055e134bd8345 in zend_include_or_eval (inc_filename=0x7fbc06214440, type=2) at ./Zend/zend_execute.c:4225
#18 0x000055e134bedd90 in ZEND_INCLUDE_OR_EVAL_SPEC_TMPVAR_HANDLER () at ./Zend/zend_vm_execute.h:14249
#19 0x000055e134c09e6b in execute_ex (ex=0x7ffea6c18370) at ./Zend/zend_vm_execute.h:56020
#20 0x000055e134c1195c in zend_execute (op_array=0x7fbc06202000, return_value=0x0) at ./Zend/zend_vm_execute.h:58856
#21 0x000055e134ba8d1d in zend_execute_scripts (type=102843344, type@entry=8, retval=retval@entry=0x0, file_count=file_count@entry=3) at ./Zend/zend.c:1680
#22 0x000055e134b45bab in php_execute_script (primary_file=<optimized out>) at ./main/main.c:2488
#23 0x000055e1349ffd40 in main (argc=<optimized out>, argv=<optimized out>) at ./sapi/fpm/fpm/fpm_main.c:1916

It seem it comme from opcache



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