Re: Apache segmentation fault when loading libphp7.so

Am 11.08.2020 um 15:09 schrieb Christoph M. Becker:
> 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).

no,... this works well:

root@xserv01:~# nano /root/test.php (exactly the code mentioned in the
bug report)

root@xserv01:~# /usr/local/php-test/bin/php /root/test.php
NTY0ZGFjZTAtMzkxYy00MmI2LWQwOTgtNWI3NzQyY2IxOWVl


-- 
Kai