Description
It might be related with #21710
After upgrade PHP to 8.5.10, and enabled JIT (and disabled file cache), PHP still crashed.
System Environment:
Windows 2022 + IIS + PHP (FastCGI)
Following is the crash file analysis
*******************************************************************************
* *
* Exception Analysis *
* *
*******************************************************************************
KEY_VALUES_STRING: 1
Key : AV.Type
Value: Read
Key : Analysis.CPU.mSec
Value: 343
Key : Analysis.Elapsed.mSec
Value: 1649
Key : Analysis.IO.Other.Mb
Value: 0
Key : Analysis.IO.Read.Mb
Value: 1
Key : Analysis.IO.Write.Mb
Value: 1
Key : Analysis.Init.CPU.mSec
Value: 640
Key : Analysis.Init.Elapsed.mSec
Value: 81169
Key : Analysis.Memory.CommitPeak.Mb
Value: 129
Key : Analysis.Version.DbgEng
Value: 10.0.29617.1000
Key : Analysis.Version.Description
Value: 10.2604.29.1 amd64fre
Key : Analysis.Version.Ext
Value: 1.2604.29.1
Key : Failure.Bucket
Value: INVALID_POINTER_READ_c0000005_php8.dll!zend_jit_trace_build_tssa
Key : Failure.Exception.Code
Value: 0xc0000005
Key : Failure.Exception.IP.Address
Value: 0x7ffb2c472d16
Key : Failure.Exception.IP.Module
Value: php8
Key : Failure.Exception.IP.Offset
Value: 0x3b2d16
Key : Failure.Hash
Value: {2e6b5565-e3de-8646-ebfd-977f85e741e7}
Key : Failure.ProblemClass.Primary
Value: INVALID_POINTER_READ
Key : Faulting.IP.Type
Value: Paged
Key : Timeline.OS.Boot.DeltaSec
Value: 1237225
Key : Timeline.Process.Start.DeltaSec
Value: 229
Key : WER.OS.Branch
Value: fe_release
Key : WER.OS.Version
Value: 10.0.20348.1
Key : WER.Process.Version
Value: 8.5.10.0
FILE_IN_CAB: php-cgi.exe.7072.dmp
NTGLOBALFLAG: 0
APPLICATION_VERIFIER_FLAGS: 0
EXCEPTION_RECORD: (.exr -1)
ExceptionAddress: 00007ffb2c472d16 (php8!zend_jit_trace_build_tssa+0x0000000000004506)
ExceptionCode: c0000005 (Access violation)
ExceptionFlags: 00000000
NumberParameters: 2
Parameter[0]: 0000000000000000
Parameter[1]: 00000253b5b07f6c
Attempt to read from address 00000253b5b07f6c
PROCESS_NAME: php-cgi.exe
READ_ADDRESS: 00000253b5b07f6c
ERROR_CODE: (NTSTATUS) 0xc0000005 - 0x%p 0x%p %s
EXCEPTION_CODE_STR: c0000005
EXCEPTION_PARAMETER1: 0000000000000000
EXCEPTION_PARAMETER2: 00000253b5b07f6c
STACK_TEXT:
00000092`861f0650 00007ffb`2c4775eb : 00000092`861f7350 00000000`0000003a 00000000`0000000d 00000000`00000000 : php8!zend_jit_trace_build_tssa+0x4506
00000092`861f07e0 00007ffb`2c48a175 : 000001d3`00000020 00007ffb`5183a8c1 000001d3`c093ae80 00000000`00000005 : php8!zend_jit_trace+0x15b
00000092`861f1120 00007ffb`2c48a8ee : 00000000`00000000 00007ffb`359c12ee 000001d3`be213ad0 00000000`00000000 : php8!zend_jit_compile_side_trace+0x185
00000092`861f72d0 00007ffb`2c42ce26 : 00000000`40000000 000001d3`bd6cdd20 000001d3`be13c600 00000092`861fb460 : php8!zend_jit_trace_hot_side+0x4de
00000092`861fb3a0 00001000`20000574 : 00000000`0000000d 000001d3`0000003a 00000000`00000000 000001d3`be213cf0 : php8!zend_jit_trace_exit+0x6a6
00000092`861fb440 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : 0x00001000`20000574
STACK_COMMAND: ~0s; .ecxr ; kb
IP_IN_PAGED_CODE:
php8!zend_jit_trace_build_tssa+4506 [C:\Users\runneradmin\AppData\Local\Temp\php-4b164008-6ffd-4215-abda-6879932a9885\config\vs17\x64\php-8.5.10\ext\opcache\jit\zend_jit_trace.c @ 2492]
00007ffb`2c472d16 8b54c22c mov edx,dword ptr [rdx+rax*8+2Ch]
FAULTING_SOURCE_LINE: C:\Users\runneradmin\AppData\Local\Temp\php-4b164008-6ffd-4215-abda-6879932a9885\config\vs17\x64\php-8.5.10\ext\opcache\jit\zend_jit_trace.c
FAULTING_SOURCE_FILE: C:\Users\runneradmin\AppData\Local\Temp\php-4b164008-6ffd-4215-abda-6879932a9885\config\vs17\x64\php-8.5.10\ext\opcache\jit\zend_jit_trace.c
FAULTING_SOURCE_LINE_NUMBER: 2492
FAULTING_SOURCE_CODE:
2488: if (ssa->var_info
2489: && zend_jit_trace_copy_ssa_var_info(op_array, ssa, ssa_opcodes, tssa, v, NULL)) {
2490: /* pass */
2491: } else {
> 2492: ssa_vars[v].alias = zend_jit_var_may_alias(op_array, ssa, i);
2493: if (op_array->arg_info) {
2494: zend_arg_info *arg_info = &op_array->arg_info[i];
2495: zend_class_entry *ce;
2496: uint32_t tmp = zend_fetch_arg_info_type(script, arg_info, &ce);
2497:
SYMBOL_NAME: php8!zend_jit_trace_build_tssa+4506
MODULE_NAME: php8
IMAGE_NAME: php8.dll
FAILURE_BUCKET_ID: INVALID_POINTER_READ_c0000005_php8.dll!zend_jit_trace_build_tssa
OS_VERSION: 10.0.20348.1
BUILDLAB_STR: fe_release
OSPLATFORM_TYPE: x64
OSNAME: Windows 10
IMAGE_VERSION: 8.5.10.0
FAILURE_ID_HASH: {2e6b5565-e3de-8646-ebfd-977f85e741e7}
Followup: MachineOwner
PHP.ini (diff from php.ini-production)
realpath_cache_size = 16M
realpath_cache_ttl = 600
expose_php = Off
max_execution_time = 60
memory_limit = 512M
error_log = "D:\PHP\Temp\php85_errors.log"
post_max_size = 72M
extension_dir = "D:\PHP\8.5\ext"
sys_temp_dir = "D:\PHP\Temp\"
cgi.force_redirect = 0
cgi.fix_pathinfo = 1
fastcgi.impersonate = 1
fastcgi.logging = 0
upload_tmp_dir = "D:\PHP\Temp\Upload\"
upload_max_filesize = 64M
extension=bz2
extension=curl
extension=exif
extension=fileinfo
extension=gd
extension=gmp
extension=intl
extension=mbstring
extension=mysqli
extension=openssl
extension=pdo_mysql
extension=pdo_sqlite
extension=shmop
extension=sockets
extension=sodium
extension=sqlite3
extension=xsl
extension=zip
extension=com_dotnet
extension=imagick
extension=redis
extension=yaml
extension=maxminddb
extension=ssh2
date.timezone = "Asia/Shanghai"
;SMTP = localhost
;smtp_port = 25
sendmail_path = "D:\PHP\Shared\sendmail\sendmail.exe -t"
session.save_path = "D:\PHP\Temp\Session\"
session.cookie_httponly = 1
opcache.enable=1
opcache.memory_consumption=512
opcache.interned_strings_buffer=32
opcache.max_accelerated_files=32531
opcache.validate_timestamps=1
opcache.revalidate_freq=60
opcache.error_log = "D:\PHP\Temp\php85_opcache_errors.log"
opcache.jit = tracing
opcache.jit_buffer_size = 512M
curl.cainfo = "D:\PHP\Shared\cert\cacert.pem"
openssl.cafile = "D:\PHP\Shared\cert\cacert.pem"
PHP Version
PHP 8.5.10 (cli) (built: Aug 25 2026 21:23:48) (NTS Visual C++ 2022 x64)
Copyright (c) The PHP Group
Built by The PHP Group
Zend Engine v4.5.10, Copyright (c) Zend Technologies
with Zend OPcache v8.5.10, Copyright (c), by Zend Technologies
Operating System
Windows Server 2022
Description
It might be related with #21710
After upgrade PHP to 8.5.10, and enabled JIT (and disabled file cache), PHP still crashed.
System Environment:
Windows 2022 + IIS + PHP (FastCGI)Following is the crash file analysis
PHP.ini (diff from php.ini-production)
PHP Version
Operating System
Windows Server 2022