Re: Apache segmentation fault when loading libphp7.so

On 11.08.2020 at 12:21, Kai Fürstenberg wrote:

> Hello,
>
> I run a server with Debian Buster. I used to compile some of the needed
> programs, so that I am able to use more recent versions than provided by
> my distribution. Two of these are PHP and Apache httpd.
>
> Now I have updated my httpd to version 2.4.46 and wanted to update PHP
> from 7.2.9 to 7.4.9.
>
> Unfortunately httpd dies with segmentation fault, so I reinstalled 7.2.9
> again, which works good.
> (gdb) bt
> #0  resolve_base64_decode () at
> /usr/src/apache_testing/php-7.4.9/Zend/zend_cpuinfo.h:141
> #1  0xb7f82aa2 in elf_machine_rel (skip_ifunc=<optimized out>,
> reloc_addr_arg=<optimized out>, version=<optimized out>, sym=<optimized
> out>, reloc=0xb76a44f8, map=0x230d420) at ../sysdeps/i386/dl-machine.h:353
> #2  elf_dynamic_do_Rel (skip_ifunc=<optimized out>, lazy=<optimized
> out>, nrelative=<optimized out>, relsize=<optimized out>,
> reladdr=<optimized out>, map=<optimized out>) at do-rel.h:137
> #3  _dl_relocate_object (scope=<optimized out>, reloc_mode=<optimized
> out>, consider_profiling=<optimized out>) at dl-reloc.c:258
> #4  0xb7f89efa in dl_open_worker (a=<optimized out>) at dl-open.c:377

You may be hitting <https://bugs.php.net/78228> or something related to
the dynamic resolution of base64_decode (introduced as of PHP 7.3.0).

--
Christoph M. Becker