0001763: Crash while setting opcode overrides in ZTS mode

ID	Project	Category	View Status	Date Submitted	Last Update

0001763	Xdebug	Code Coverage	public	2020-03-15 16:47	2020-03-24 18:20

Reporter	JeremyDunn	Assigned To	derick
Priority	high	Severity	crash	Reproducibility	always
Status	closed	Resolution	fixed
Product Version	2.9.3
Fixed in Version	2.9.4

Summary	0001763: Crash while setting opcode overrides in ZTS mode
Description	I've been using xdebug for many years. Most recently, apache 2.4.41 + PHP 7.3.13 + xdebug 2.8.0b1 (all x64 version) today I upgraded to PHP 7.3.15 and xdebug 2.9.3. No change to apache. Now, apache crashes on every request. Windows event log shows: Faulting application name: httpd.exe, version: 2.4.41.0, time stamp: 0x5d4d8786 Faulting module name: php_xdebug-2.9.3-7.3-vc15-x86_64.dll, version: 2.9.3.2, time stamp: 0x5e6bbef6 Exception code: 0xc0000005 Fault offset: 0x000000000000bf10 Faulting process id: 0x4f30 Faulting application start time: 0x01d5fae75df2302d Faulting application path: C:\Program Files\Apache2.4.41\bin\httpd.exe Faulting module path: C:\Program Files\php7.3.15\ext\php_xdebug-2.9.3-7.3-vc15-x86_64.dll Report Id: 9e38dacf-66da-11ea-8295-b4b676b69bd4 Faulting package full name: Faulting package-relative application ID:
Steps To Reproduce	make any request to local website
Additional Information	PHP Version drop-down only includes 7.3.14. I have just installed 7.3.15 (thread-safe, VC15, x64) from here: https://windows.php.net/downloads/releases/php-7.3.15-Win32-VC15-x64.zip
Tags	No tags attached.
Attached Files

Operating System	Windows 8.1 Pro
PHP Version	7.3.10-7.3.14

JeremyDunn 2020-03-15 16:51 reporter ~0005298	reverting to xdebug 2.9.2 works fine.

mlocati 2020-03-17 15:51 reporter ~0005299	Same here. I'm using Apache 2.4.37 with this configuration: PHPIniDir "C:\Dev\PHP7.2" LoadModule php7_module "C:\Dev\PHP7.2\php7apache2_4.dll" I'm using PHP 7.2.28 with this configuration: zend_extension=xdebug xdebug.remote_enable=1 When browsing to the website (even without starting the xdebug session), I have the same Exception code (0xc0000005) in the Windows Event Viewer.

Otomatic 2020-03-18 16:56 reporter ~0005300	I'm the developer of Wampserver since version 3 and xDebug is integrated in every version of PHP. There is no problem with all versions of PHP from 7.1.0 to 7.4.4 with xDebug 2.9.2 in 32 or 64 bit. By only changing the line of a php.ini: zend_extension="E:/wamp64/bin/php/php7.4.4/zend_ext/php_xdebug-2.9.2-7.4-vc15-x86_64.dll" by zend_extension="E:/wamp64/bin/php/php7.4.4/zend_ext/php_xdebug-2.9.3-7.4-vc15-x86_64.dll" without changing anything else for any version of PHP, simply starting a local site, even 'http://localhost/', will cause Apache to reboot several times in a row with the following errors in the Apache log: AH00428: Parent: child process 8536 exited with status 3221225477 -- Restarting.

derick 2020-03-21 11:21 administrator ~0005304	Can any of you reproduce this with the built-in PHP webserver, instead of apache? Serving your "docroot" with "php -dxdebug.remote_enable=1 -dxdebug.remote_autoconnect -S localhost:8123" and then requesting a PHP script through http://localhost:8123/scriptphp" should do the trick. It looks like this is only related to Windows, and I haven't been able to reproduce this with Linux on ZTS, and I don't have a Windows install.

jjo5555 2020-03-21 11:27 reporter ~0005305	It is not just Windows my 1765 is Linux

jjo5555 2020-03-21 11:28 reporter ~0005306	If you want to email me or IM me exact instructions I can test for you.

derick 2020-03-21 11:47 administrator ~0005307	@jjo5555 — thanks. I don't really have Apache (And it shouldn't really be needed to reproduce this), so I am looking for a way to reproduce this locally. Preferably without Apache. A docker container/setup could be helpful if you know how to make one? In any case, without having the exact steps to reproduce this locally, there is not too much I can do :-/

JeremyDunn 2020-03-21 13:21 reporter ~0005308	xdebug 2.9.3 does NOT fail, running with the command specified in https://bugs.xdebug.org/view.php?id=1763#c5304, outside of apache however if I leave 2.9.3 enabled in php.ini, and restart apache apache restarts OK but requesting any page gives the same error as originally reported: Faulting application name: httpd.exe, version: 2.4.41.0, time stamp: 0x5d4d8786 Faulting module name: php_xdebug-2.9.3-7.3-vc15-x86_64.dll, version: 2.9.3.2, time stamp: 0x5e6bbef6 Exception code: 0xc0000005 Fault offset: 0x000000000000bf10 Faulting process id: 0x4f7c Faulting application start time: 0x01d5ff820ead7316 Faulting application path: C:\Program Files\Apache2.4.41\bin\httpd.exe Faulting module path: C:\Program Files\php7.3.15\ext\php_xdebug-2.9.3-7.3-vc15-x86_64.dll Report Id: 62e3ab49-6b75-11ea-8295-b4b676b69bd4 Faulting package full name: Faulting package-relative application ID: I don't know if it's of any value to you (or perhaps others helping to debug) , but I've attached the Windows Error Reporting (WER) file generated when apache crashes.... Perhaps this part of the report would be helpful? Sig[6].Name=Exception Code Sig[6].Value=c0000005 Sig[7].Name=Exception Offset Sig[7].Value=000000000000bf10 https://stackoverflow.com/questions/17168982/exception-error-c0000005-in-vc c0000005 is an "access violation" does the "Offset" value give a clue as to which line of code is faulting ? Report.wer (17,108 bytes) Version=1 EventType=APPCRASH EventTime=132292699512408238 ReportType=2 Consent=1 UploadTime=132292699516991544 ReportIdentifier=9e6a0d5c-6b75-11ea-8295-b4b676b69bd4 IntegratorReportIdentifier=9e6a0d5b-6b75-11ea-8295-b4b676b69bd4 NsAppName=httpd.exe Response.type=4 Sig[0].Name=Application Name Sig[0].Value=httpd.exe Sig[1].Name=Application Version Sig[1].Value=2.4.41.0 Sig[2].Name=Application Timestamp Sig[2].Value=5d4d8786 Sig[3].Name=Fault Module Name Sig[3].Value=php_xdebug-2.9.3-7.3-vc15-x86_64.dll Sig[4].Name=Fault Module Version Sig[4].Value=2.9.3.2 Sig[5].Name=Fault Module Timestamp Sig[5].Value=5e6bbef6 Sig[6].Name=Exception Code Sig[6].Value=c0000005 Sig[7].Name=Exception Offset Sig[7].Value=000000000000bf10 DynamicSig[1].Name=OS Version DynamicSig[1].Value=6.3.9600.2.0.0.256.48 DynamicSig[2].Name=Locale ID DynamicSig[2].Value=1033 DynamicSig[22].Name=Additional Information 1 DynamicSig[22].Value=6a31 DynamicSig[23].Name=Additional Information 2 DynamicSig[23].Value=6a318d875a8e1bcb28cb6b95a72c92f5 DynamicSig[24].Name=Additional Information 3 DynamicSig[24].Value=361e DynamicSig[25].Name=Additional Information 4 DynamicSig[25].Value=361e87ae87c5b12b8b9a334d829add20 UI[2]=C:\Program Files\Apache2.4.41\bin\httpd.exe UI[3]=Apache HTTP Server has stopped working UI[4]=Windows can check online for a solution to the problem. UI[5]=Check online for a solution (recommended) UI[6]=Check for a solution later (recommended) UI[7]=Close UI[8]=Apache HTTP Server stopped working and was closed UI[9]=A problem caused the application to stop working correctly. Windows will notify you if a solution is available. UI[10]=&Close LoadedModule[0]=C:\Program Files\Apache2.4.41\bin\httpd.exe LoadedModule[1]=C:\Windows\SYSTEM32\ntdll.dll LoadedModule[2]=C:\Windows\system32\KERNEL32.DLL LoadedModule[3]=C:\Windows\system32\KERNELBASE.dll LoadedModule[4]=C:\Program Files\Apache2.4.41\bin\libhttpd.dll LoadedModule[5]=C:\Program Files\Apache2.4.41\bin\libaprutil-1.dll LoadedModule[6]=C:\Program Files\Apache2.4.41\bin\libapr-1.dll LoadedModule[7]=C:\Windows\SYSTEM32\VCRUNTIME140.dll LoadedModule[8]=C:\Windows\SYSTEM32\api-ms-win-crt-runtime-l1-1-0.dll LoadedModule[9]=C:\Windows\SYSTEM32\api-ms-win-crt-stdio-l1-1-0.dll LoadedModule[10]=C:\Windows\SYSTEM32\api-ms-win-crt-string-l1-1-0.dll LoadedModule[11]=C:\Windows\SYSTEM32\api-ms-win-crt-math-l1-1-0.dll LoadedModule[12]=C:\Windows\SYSTEM32\api-ms-win-crt-locale-l1-1-0.dll LoadedModule[13]=C:\Windows\SYSTEM32\api-ms-win-crt-heap-l1-1-0.dll LoadedModule[14]=C:\Program Files\Apache2.4.41\bin\pcre.dll LoadedModule[15]=C:\Windows\system32\WS2_32.dll LoadedModule[16]=C:\Windows\system32\ADVAPI32.dll LoadedModule[17]=C:\Windows\SYSTEM32\api-ms-win-crt-convert-l1-1-0.dll LoadedModule[18]=C:\Windows\SYSTEM32\api-ms-win-crt-environment-l1-1-0.dll LoadedModule[19]=C:\Windows\SYSTEM32\api-ms-win-crt-utility-l1-1-0.dll LoadedModule[20]=C:\Windows\SYSTEM32\api-ms-win-crt-time-l1-1-0.dll LoadedModule[21]=C:\Program Files\Apache2.4.41\bin\libapriconv-1.dll LoadedModule[22]=C:\Windows\SYSTEM32\api-ms-win-crt-multibyte-l1-1-0.dll LoadedModule[23]=C:\Windows\SYSTEM32\MSWSOCK.dll LoadedModule[24]=C:\Windows\system32\RPCRT4.dll LoadedModule[25]=C:\Windows\system32\SHELL32.dll LoadedModule[26]=C:\Windows\SYSTEM32\api-ms-win-crt-conio-l1-1-0.dll LoadedModule[27]=C:\Windows\SYSTEM32\ucrtbase.DLL LoadedModule[28]=C:\Windows\system32\NSI.dll LoadedModule[29]=C:\Windows\system32\msvcrt.dll LoadedModule[30]=C:\Windows\SYSTEM32\sechost.dll LoadedModule[31]=C:\Windows\system32\SspiCli.dll LoadedModule[32]=C:\Windows\SYSTEM32\combase.dll LoadedModule[33]=C:\Windows\system32\USER32.dll LoadedModule[34]=C:\Windows\system32\SHLWAPI.dll LoadedModule[35]=C:\Windows\system32\GDI32.dll LoadedModule[36]=C:\Windows\system32\nvinitx.dll LoadedModule[37]=C:\Windows\SYSTEM32\VERSION.dll LoadedModule[38]=C:\Windows\SYSTEM32\shcore.dll LoadedModule[39]=C:\Windows\SYSTEM32\CRYPTSP.dll LoadedModule[40]=C:\Windows\system32\rsaenh.dll LoadedModule[41]=C:\Windows\SYSTEM32\bcrypt.dll LoadedModule[42]=C:\Windows\SYSTEM32\CRYPTBASE.dll LoadedModule[43]=C:\Windows\SYSTEM32\bcryptPrimitives.dll LoadedModule[44]=C:\Windows\SYSTEM32\api-ms-win-crt-filesystem-l1-1-0.dll LoadedModule[45]=C:\Program Files\Apache2.4.41\bin\libssl-1_1-x64.dll LoadedModule[46]=C:\Program Files\Apache2.4.41\bin\libcrypto-1_1-x64.dll LoadedModule[47]=C:\Program Files\Apache2.4.41\modules\mod_access_compat.so LoadedModule[48]=C:\Program Files\Apache2.4.41\modules\mod_alias.so LoadedModule[49]=C:\Program Files\Apache2.4.41\modules\mod_authz_core.so LoadedModule[50]=C:\Program Files\Apache2.4.41\modules\mod_deflate.so LoadedModule[51]=C:\Program Files\Apache2.4.41\bin\zlib1.dll LoadedModule[52]=C:\Program Files\Apache2.4.41\modules\mod_dir.so LoadedModule[53]=C:\Program Files\Apache2.4.41\modules\mod_expires.so LoadedModule[54]=C:\Program Files\Apache2.4.41\modules\mod_filter.so LoadedModule[55]=C:\Program Files\Apache2.4.41\modules\mod_headers.so LoadedModule[56]=C:\Program Files\Apache2.4.41\modules\mod_http2.so LoadedModule[57]=C:\Program Files\Apache2.4.41\bin\nghttp2.dll LoadedModule[58]=C:\Program Files\Apache2.4.41\modules\mod_include.so LoadedModule[59]=C:\Program Files\Apache2.4.41\modules\mod_log_config.so LoadedModule[60]=C:\Program Files\Apache2.4.41\modules\mod_log_rotate.so LoadedModule[61]=C:\Program Files\Apache2.4.41\modules\mod_mime.so LoadedModule[62]=C:\Program Files\Apache2.4.41\modules\mod_rewrite.so LoadedModule[63]=C:\Program Files\Apache2.4.41\modules\mod_setenvif.so LoadedModule[64]=C:\Program Files\Apache2.4.41\modules\mod_socache_shmcb.so LoadedModule[65]=C:\Program Files\Apache2.4.41\modules\mod_socache_dbm.so LoadedModule[66]=C:\Program Files\Apache2.4.41\modules\mod_ssl.so LoadedModule[67]=C:\Program Files\Apache2.4.41\modules\mod_actions.so LoadedModule[68]=C:\Program Files\Apache2.4.41\modules\mod_authn_file.so LoadedModule[69]=C:\Program Files\Apache2.4.41\modules\mod_authn_core.so LoadedModule[70]=C:\Program Files\php7.3.15\php7apache2_4.dll LoadedModule[71]=C:\Program Files\php7.3.15\php7ts.dll LoadedModule[72]=C:\Windows\SYSTEM32\IPHLPAPI.DLL LoadedModule[73]=C:\Windows\system32\ole32.dll LoadedModule[74]=C:\Windows\SYSTEM32\DNSAPI.dll LoadedModule[75]=C:\Windows\SYSTEM32\WINNSI.DLL LoadedModule[76]=C:\Program Files\php7.3.15\ext\php_opcache.dll LoadedModule[77]=C:\Program Files\php7.3.15\ext\php_xdebug-2.9.3-7.3-vc15-x86_64.dll LoadedModule[78]=C:\Program Files\php7.3.15\ext\php_bz2.dll LoadedModule[79]=C:\Program Files\php7.3.15\ext\php_curl.dll LoadedModule[80]=C:\Windows\system32\WLDAP32.dll LoadedModule[81]=C:\Windows\system32\Normaliz.dll LoadedModule[82]=C:\Program Files\Apache2.4.41\bin\libssh2.dll LoadedModule[83]=C:\Program Files\php7.3.15\ext\php_fileinfo.dll LoadedModule[84]=C:\Program Files\php7.3.15\ext\php_gd2.dll LoadedModule[85]=C:\Program Files\php7.3.15\ext\php_imap.dll LoadedModule[86]=C:\Windows\SYSTEM32\WINMM.dll LoadedModule[87]=C:\Windows\SYSTEM32\Secur32.dll LoadedModule[88]=C:\Windows\system32\CRYPT32.dll LoadedModule[89]=C:\Windows\SYSTEM32\WINMMBASE.dll LoadedModule[90]=C:\Windows\system32\MSASN1.dll LoadedModule[91]=C:\Windows\SYSTEM32\cfgmgr32.dll LoadedModule[92]=C:\Windows\SYSTEM32\DEVOBJ.dll LoadedModule[93]=C:\Program Files\php7.3.15\ext\php_mbstring.dll LoadedModule[94]=C:\Program Files\php7.3.15\ext\php_openssl.dll LoadedModule[95]=C:\Program Files\php7.3.15\ext\php_pdo_odbc.dll LoadedModule[96]=C:\Windows\SYSTEM32\ODBC32.dll LoadedModule[97]=C:\Program Files\php7.3.15\ext\php_pdo_sqlite.dll LoadedModule[98]=C:\Program Files\php7.3.15\ext\php_soap.dll LoadedModule[99]=C:\Program Files\php7.3.15\ext\php_sockets.dll LoadedModule[100]=C:\Program Files\php7.3.15\ext\php_sqlite3.dll LoadedModule[101]=C:\Program Files\php7.3.15\ext\php_xsl.dll LoadedModule[102]=C:\Program Files\php7.3.15\ext\php_apcu-5.1.18-7.3-ts-x64.dll LoadedModule[103]=C:\Program Files\php7.3.15\ext\php_pdo_sqlsrv_73_ts_x64.dll LoadedModule[104]=C:\Windows\SYSTEM32\MSVCP140.dll LoadedModule[105]=C:\Program Files\php7.3.15\ext\php_sync-1.1.1-7.3-ts-x64.dll LoadedModule[106]=C:\Program Files\php7.3.15\ext\php_igbinary-3.1.2-7.3-ts-x64.dll FriendlyEventName=Stopped working ConsentKey=APPCRASH AppName=Apache HTTP Server AppPath=C:\Program Files\Apache2.4.41\bin\httpd.exe NsPartner=windows NsGroup=windows8 ApplicationIdentity=B6BF1E879AC9A8C21492956707765F2D Report.wer (17,108 bytes)

JeremyDunn 2020-03-21 13:34 reporter ~0005309	@derick - if you have (or can create) a build of xdebug which emits a ton of debugging information (maybe line-by-line tracing?) then email it to me or send me a link where I can download - I'll run it and return output here, if that would be helpful. alternately if there is any xdebug setting I can enable which would show debug info for xdebug itself, please tell me what is that setting and I will try it and return the results. There is nothing obvious to me on this page: https://xdebug.org/docs/all_settings Finally, here are my xdebug settings from php.ini: [xdebug] xdebug.default_enable=1 xdebug.remote_enable=1 xdebug.remote_autostart=0 xdebug.remote_connect_back=0 xdebug.remote_host=localhost xdebug.remote_port=9000 xdebug.remote_handler=dbgp xdebug.idekey=netbeans-xdebug xdebug.remote_mode=req xdebug.overload_var_dump=1 xdebug.extended_info=1 xdebug.coverage_enable=0 xdebug.collect_includes=0 xdebug.profiler_enable=0 xdebug.profiler_append=0 xdebug.profiler_enable_trigger=0 xdebug.profiler_output_dir="C:\temp\xdebug" xdebug.profiler_output_name=cachegrind.out

Otomatic 2020-03-21 15:51 reporter ~0005310	@derick - If I can be of any use, it will be with pleasure, of course provided you tell me what to set up and do.

derick 2020-03-21 16:40 administrator ~0005311	I've just spend some time getting Centos with apache, php 7.3 and Xdebug going, and for me it starts fine. @JeremyDunn I can't really change Xdebug to have that information line by line. It's also not going to be helpful as there is likely some memory corruption that that will not show in the right place. @jjo5555 and @Otomatic — I need a way to produce this myself with debugging tools available. If you can reproduce this in a virtual machine, or if you can set-it up somewhere where I can SSH in and be root, that would be very useful. If I can't reproduce it myself, I can't fix it. So please provide a set-up where this is already broken, or the exact steps for me to run in a clean (Linux) OS install to reproduce this issue. Assume I know nothing about your set-up. If you want, feel free to drop by in Freenode/#xdebug on IRC (https://webchat.freenode.net/#xdebug).

JeremyDunn 2020-03-21 16:51 reporter ~0005312	@derick - thank you very much for your attention to this matter. From everything that has been written, it seems to affect only Windows; so how would it help to "run in a clean (Linux) OS install" ?? I might be able to setup a Windows environment in which this problem can be reproduced, and give you root access (e.g. a small AWS instance). Would this be useful ??

jjo5555 2020-03-21 19:48 reporter ~0005313	@JeremyDunn - no see my report 1765. This is Centos/Linux

jjo5555 2020-03-21 19:52 reporter ~0005314	@derick I've just spend some time getting Centos with apache, php 7.3 and Xdebug going, and for me it starts fine. It starts fine but does it server PHP pages? I need a way to produce this myself with debugging tools available. If you can reproduce this in a virtual machine, or if you can set-it up somewhere where I can SSH in and be root, that would be very useful. Happy to let you SSH into my production box. Ideally from a fixed IP I can let through the firewall and for a set time period because I will have to upgrade again and thus break a production box.

derick 2020-03-21 20:15 administrator ~0005316	@jjo5555 I've just spend some time getting Centos with apache, php 7.3 and Xdebug going, and for me it starts fine. It starts fine but does it server PHP pages? Yes, no problem at all. Happy to let you SSH into my production box. Ideally from a fixed IP I can let through the firewall and for a set time period because I will have to upgrade again and thus break a production box. That sounds a bit scary, especially because you shouldn't really run Xdebug in production :-) And, would I be able to poke around and start/stop things at leisure?

jjo5555 2020-03-21 20:26 reporter ~0005317	That sounds a bit scary, especially because you shouldn't really run Xdebug in production :-) Not really sure why I am. I figured it is running as it is part of my PHP/PECL set-up and was required. I have not consciously turned it on. If it shouldn't be running maybe I need to turn it off. And, would I be able to poke around and start/stop things at leisure? Yes in a set time window as long as you are able to revert things back after.

jjo5555 2020-03-21 21:35 reporter ~0005318	OK so I commented out the line: zend_extension=xdebug.so in /etc/php-zts.d/15-xdebug.ini and upgraded to xdebug 2.9.3 and of course, after a httpd restart everything works, because xdebug is disabled. But at least is is there ready to be enabled for testing. By the way this may be relevant: I am using PHP ZTS (Zend Thread Safety) module and pthreads

derick 2020-03-22 11:12 administrator ~0005319	Thanks for that hint @jjo5555 — It definitely needs ZTS, but not pthreads. I can now reproduce this and get the following valgrind error: ==3590== Use of uninitialised value of size 8 ==3590== at 0x1541C100: xdebug_set_in_ex (set.c:70) ==3590== by 0x1541BD02: xdebug_call_original_opcode_handler_if_set (lib.c:258) ==3590== by 0x12CC80F8: ??? (in /usr/lib64/httpd/modules/libphp7-zts.so) ==3590== by 0x12CCB31F: execute_ex (in /usr/lib64/httpd/modules/libphp7-zts.so) ==3590== by 0x1541285E: xdebug_execute_ex (base.c:380) ==3590== by 0x12CD2D42: zend_execute (in /usr/lib64/httpd/modules/libphp7-zts.so) ==3590== by 0x12C39AA1: zend_execute_scripts (in /usr/lib64/httpd/modules/libphp7-zts.so) ==3590== by 0x12BC9BDD: php_execute_script (in /usr/lib64/httpd/modules/libphp7-zts.so) ==3590== by 0x12CD5621: ??? (in /usr/lib64/httpd/modules/libphp7-zts.so) ==3590== by 0x149AEF: ap_run_handler (in /usr/sbin/httpd) ==3590== by 0x14A038: ap_invoke_handler (in /usr/sbin/httpd) ==3590== by 0x15EC49: ap_process_async_request (in /usr/sbin/httpd) ==3590== ==3590== Invalid read of size 8 ==3590== at 0x1541C100: xdebug_set_in_ex (set.c:70) ==3590== by 0x1541BD02: xdebug_call_original_opcode_handler_if_set (lib.c:258) ==3590== by 0x12CC80F8: ??? (in /usr/lib64/httpd/modules/libphp7-zts.so) ==3590== by 0x12CCB31F: execute_ex (in /usr/lib64/httpd/modules/libphp7-zts.so) ==3590== by 0x1541285E: xdebug_execute_ex (base.c:380) ==3590== by 0x12CD2D42: zend_execute (in /usr/lib64/httpd/modules/libphp7-zts.so) ==3590== by 0x12C39AA1: zend_execute_scripts (in /usr/lib64/httpd/modules/libphp7-zts.so) ==3590== by 0x12BC9BDD: php_execute_script (in /usr/lib64/httpd/modules/libphp7-zts.so) ==3590== by 0x12CD5621: ??? (in /usr/lib64/httpd/modules/libphp7-zts.so) ==3590== by 0x149AEF: ap_run_handler (in /usr/sbin/httpd) ==3590== by 0x14A038: ap_invoke_handler (in /usr/sbin/httpd) ==3590== by 0x15EC49: ap_process_async_request (in /usr/sbin/httpd) ==3590== Address 0x8 is not stack'd, malloc'd or (recently) free'd

xeuron 2020-03-22 12:45 reporter ~0005320	Same story here. Debugged (heh) for days. Problem was with xdebug version 2.9.3 (TS x64). Reproduced with PHP 7.2/3/4 on both laragon and xampp; xdebug that came with xampp worked as it was xdebug v2.8.1 and that helped me pin point the problem. Problem : When browsing through apache, it wouldn't stop "loading" for at least a few minutes. Solution: downgrade xdebug version to at most 2.9.2. Extra note: However, it works PERFECTLY fine using the CLI to run the same website. Module shows up as loaded in php -m.

derick 2020-03-22 18:24 administrator ~0005321	I have a potential fix. Can you all please test the following: @JeremyDunn: Download https://ci.appveyor.com/api/buildjobs/5naxtrg30ij5d1od/artifacts/php_xdebug-c9c23258-7.3-vc15-x86_64.zip to replace C:\Program Files\php7.3.15\ext\php_xdebug-2.9.3-7.3-vc15-x86_64.dll @Otomatic: Download https://ci.appveyor.com/api/buildjobs/n1iwi5emjjrs1r4v/artifacts/php_xdebug-c9c23258-7.4-vc15-x86_64.zip, and use the contents to replace E:/wamp64/bin/php/php7.4.4/zend_ext/php_xdebug-2.9.3-7.4-vc15-x86_64.dll @jj0555: git clone https://github.com/derickr/xdebug.git, cd into the "xdebug" directory, switch to the right branch with "git checkout issue1763-crash", and compile and install xdebug (https://xdebug.org/docs/install#compile for extra information) Windows binaries for other PHP versions are also being built. Select the right option from https://ci.appveyor.com/project/derickr/xdebug/builds/31637026, and then click on the Artifacts tab to find other .zip files.

JeremyDunn 2020-03-22 19:46 reporter ~0005323	@JeremyDunn: Download https://ci.appveyor.com/api/buildjobs/5naxtrg30ij5d1od/artifacts/php_xdebug-c9c23258-7.3-vc15-x86_64.zip to replace C:\Program Files\php7.3.15\ext\php_xdebug-2.9.3-7.3-vc15-x86_64.dll that FIXED the problem: apache starts and handles requests w/o error I can set a breakpoint and launch my IDE (NetBeans) in debug mode; and it stops on that breakpoint all other normal xdebug functions within the IDE (stepping, variable-inspection, etc.) work as expected Thanks!

jjo5555 2020-03-22 19:55 reporter ~0005324	@jj0555: git clone https://github.com/derickr/xdebug.git, cd into the "xdebug" directory ... and compile and install xdebug Sorry @derick I'm not set up with a compiler on that box. I will wait for the next Centos Yum version and report back then. But it sounds like you have done it.

Otomatic 2020-03-23 08:05 reporter ~0005329	@Otomatic: Download https://ci.appveyor.com/api/buildjobs/n1iwi5emjjrs1r4v/artifacts/php_xdebug-c9c23258-7.4-vc15-x86_64.zip and use the contents to replace E:/wamp64/bin/php/php7.4.4/zend_ext/php_xdebug-2.9.3-7.4-vc15-x86_64.dll That solved the problem. Apache does not restart when a local site launches. I conducted the tests at six local sites... I've created intentional PHP errors on the various local sites and it works fine. Thanks

derick 2020-03-23 11:17 administrator ~0005331	Thanks for testing. I'll go and release 2.9.4 now with that fix.

mlocati 2020-03-23 15:07 reporter ~0005335	Any reason why the Windows DLLs for 2.9.4 are not available on the PECL website? See https://windows.php.net/downloads/pecl/releases/xdebug and https://pecl.php.net/package/xdebug/2.9.4/windows

jjo5555 2020-03-24 18:20 reporter ~0005344	Just to confirm that 2.9.4 fixes this bug for my on the Centos environment too.

Date Modified	Username	Field	Change
2020-03-15 16:47	JeremyDunn	New Issue
2020-03-15 16:51	JeremyDunn	Note Added: 0005298
2020-03-17 15:51	mlocati	Note Added: 0005299
2020-03-18 16:56	Otomatic	Note Added: 0005300
2020-03-18 20:49	derick	Relationship added	has duplicate 0001765
2020-03-21 11:09	derick	Relationship added	has duplicate 0001767
2020-03-21 11:21	derick	Assigned To	=> derick
2020-03-21 11:21	derick	Status	new => feedback
2020-03-21 11:21	derick	Note Added: 0005304
2020-03-21 11:27	jjo5555	Note Added: 0005305
2020-03-21 11:28	jjo5555	Note Added: 0005306
2020-03-21 11:47	derick	Note Added: 0005307
2020-03-21 13:21	JeremyDunn	File Added: Report.wer
2020-03-21 13:21	JeremyDunn	Note Added: 0005308
2020-03-21 13:21	JeremyDunn	Status	feedback => assigned
2020-03-21 13:34	JeremyDunn	Note Added: 0005309
2020-03-21 15:51	Otomatic	Note Added: 0005310
2020-03-21 16:40	derick	Note Added: 0005311
2020-03-21 16:51	JeremyDunn	Note Added: 0005312
2020-03-21 19:48	jjo5555	Note Added: 0005313
2020-03-21 19:52	jjo5555	Note Added: 0005314
2020-03-21 20:15	derick	Note Added: 0005316
2020-03-21 20:26	jjo5555	Note Added: 0005317
2020-03-21 21:35	jjo5555	Note Added: 0005318
2020-03-22 11:12	derick	Status	assigned => confirmed
2020-03-22 11:12	derick	Note Added: 0005319
2020-03-22 12:45	xeuron	Note Added: 0005320
2020-03-22 18:03	derick	Summary	apache 2.4.41 crashes with PHP 7.3.15 and xdebug 2.9.3 => Crash while setting opcode overrides in ZTS mode
2020-03-22 18:24	derick	Status	confirmed => feedback
2020-03-22 18:24	derick	Note Added: 0005321
2020-03-22 19:46	JeremyDunn	Note Added: 0005323
2020-03-22 19:46	JeremyDunn	Status	feedback => assigned
2020-03-22 19:55	jjo5555	Note Added: 0005324
2020-03-23 08:05	Otomatic	Note Added: 0005329
2020-03-23 11:17	derick	Status	assigned => closed
2020-03-23 11:17	derick	Resolution	open => fixed
2020-03-23 11:17	derick	Fixed in Version	=> 2.9.4
2020-03-23 11:17	derick	Note Added: 0005331
2020-03-23 11:17	derick	Category	Installation => Code Coverage
2020-03-23 15:07	mlocati	Note Added: 0005335
2020-03-24 18:20	jjo5555	Note Added: 0005344

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Issue History

has duplicate	0001765	resolved	derick	PHP crashes on every Apache PHP served page consistently. Outside of Apache (from the console) PHP works fine.
has duplicate	0001767	resolved	derick	xdebug-2.9.3-7.4-vc15-x86_64.dll causes Xampp Apache Server crash - recommended by Debug Wizard