Re: [PHP-DEV] Re: Moved virtual cwd stuff to TSRM From: Andi Gutmans (andi <email protected>)
Date: 09/06/00

I don't have access to a NetBSD machine.
Do you want to provide me with ssh access? Also it's really strange you
aren't getting a backtrace.

Andi

At 21:20 05/09/00 +0200, Olivier Cahagne wrote:
>Hi,
>
>I isolated the bug and tested on different platforms:
>
>The bug appears on NetBSD 1.3.3 (with gcc 2.7.2.2+myc2, no bison) and
>NetBSD 1.4.2 (with egcs 2.91.60 and bison 1.28).
>It does not seem to affect Linux (with egcs 2.91.66 and bison 1.28)
>
>Here's how to reproduce the bug, I compile PHP latest snapshot
>200009051045 with the following:
>
>./configure --with-config-file-path=/space/www/etc/httpd/conf/php_cgi \
>--enable-discard-path \
>--without-gd \
>--without-mysql
>
>Then, running php -v (for e.g.) will segfault:
>
>Program received signal SIGSEGV, Segmentation fault.
>0x7ee14 in virtual_file_ex (state=0x0,
>path=0xefbfcea8 "/usr/space/www/etc/httpd/conf/php_cgi/php.ini",
>verify_path=0) at tsrm_virtual_cwd.c:332
>332 CWD_STATE_COPY(old_state, state);
>(gdb) bt
>#0 0x7ee14 in virtual_file_ex (state=0x0,
>path=0xefbfcea8 "/usr/space/www/etc/httpd/conf/php_cgi/php.ini",
>verify_path=0) at tsrm_virtual_cwd.c:332
>
>I can solve this bug in 2 different ways:
>
>- compiling without --with-config-file-path=/path/to/ini, php does not
>find any php.ini and runs "php -v" fine.
>
>- deleting php.ini from the path indicated in the --with-config-file-path
>
>So, there seems to be a bug in php.ini parsing on NetBSD.
>
>I tried many snapshots, re-building them (./cvsclean and ./buildconf),
>also copying the latest php.ini over the old one. It didn't help.
>
>>Can you please compile with --enable-debug? Something seems screwed up
>>here and you don't really have a back trace. Is it compiling with -g?
>>The crash doesn't make much sense if it's coming from expand_filepath()
>>which is what I think but it might be from some other place.
>
>--
>Olivier.Cahagne <email protected> 

---
Andi Gutmans <andi <email protected>>
http://www.zend.com/

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