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[Bug 62983] apache latest version cause segmentation fault when enable php5 and php7 in the same time

--- Comment #2 from 0xd0ff9 <dinhbaouit@xxxxxxxxx> ---
(In reply to Eric Covener from comment #1)
> Please share backtraces and loaded libraries from the resulting core, as
> text in the bug.

enmod php7.2 first, then enmod php5

Core dump file:


vagrant@vagrant-ubuntu-trusty-64:~$ sudo apachectl debug
GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.3) 7.7.1
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <>
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There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
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Type "apropos word" to search for commands related to "word"...
Reading symbols from /usr/sbin/apache2...(no debugging symbols found)...done.
warning: File "/home/vagrant/.gdbinit" auto-loading has been declined by your
`auto-load safe-path' set to "$debugdir:$datadir/auto-load".
To enable execution of this file add
        add-auto-load-safe-path /home/vagrant/.gdbinit
line to your configuration file "$HOME/.gdbinit".
To completely disable this security protection add
        set auto-load safe-path /
line to your configuration file "$HOME/.gdbinit".
For more information about this security protection see the
"Auto-loading safe path" section in the GDB manual.  E.g., run from the shell:
        info "(gdb)Auto-loading safe path"
(gdb) source /home/vagrant/peda
/home/vagrant/peda: Success.
(gdb) source /home/vagrant/peda/
gdb-peda$ bt
No stack.
gdb-peda$ run -k start
Starting program: /usr/sbin/apache2 -k start
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/".
AH00558: apache2: Could not reliably determine the server's fully qualified
domain name, using Set the 'ServerName' directive globally to
suppress this message

Program received signal SIGSEGV, Segmentation fault.

RAX: 0x7ffff3e96a50 (<gc_collect_cycles>:       push   r15)
RBX: 0x7fffffffd180 --> 0x7ffff1e8debe (push   r15)
RCX: 0x5f ('_')
RDX: 0x7ffff2058cc0 (<zend_gc_collect_cycles>:  push   r15)
RSI: 0x7ffff212b6d7 ("E_ZEND_DTRACE")
RDI: 0x7fffffffee86 ("ERNAME=root")
RBP: 0x1 
RSP: 0x7fffffffd120 --> 0x0 
RIP: 0x7ffff2030d60 (mov    QWORD PTR [rax],rdx)
R8 : 0xffff 
R9 : 0x1 
R10: 0x7ffff71b6440 (<__strncmp_sse2+4608>:     pxor   xmm0,xmm0)
R11: 0xc ('\x0c')
R12: 0x7ffff4654260 --> 0x7ffff2132003 ("apache2handler")
R13: 0x7ffff241a280 --> 0x7ffff2132003 ("apache2handler")
R14: 0x7ffff7fba028 --> 0x7ffff7ff2028 --> 0x7ffff7ff4028 --> 0x7ffff7ff8028
--> 0x0 
R15: 0x7ffff241a3a0 --> 0x133c7de000000a8
EFLAGS: 0x10246 (carry PARITY adjust ZERO sign trap INTERRUPT direction
   0x7ffff2030d4b:      lea    rdx,[rip+0x27f6e]        # 0x7ffff2058cc0
   0x7ffff2030d52:      mov    QWORD PTR [rax],0x0
   0x7ffff2030d59:      mov    rax,QWORD PTR [rip+0x3d2f90]        #
=> 0x7ffff2030d60:      mov    QWORD PTR [rax],rdx
   0x7ffff2030d63:      call   0x7ffff20d6d10
   0x7ffff2030d68:      mov    edi,0x3f
   0x7ffff2030d6d:      call   0x7ffff1e8c260 <malloc@plt>
   0x7ffff2030d72:      test   rax,rax
0000| 0x7fffffffd120 --> 0x0 
0008| 0x7fffffffd128 --> 0x1 
0016| 0x7fffffffd130 --> 0x7ffff4654260 --> 0x7ffff2132003 ("apache2handler")
0024| 0x7fffffffd138 --> 0x7ffff1fcf34b (<php_module_startup+379>:      lea   
rsi,[rip+0x1132a6]        # 0x7ffff20e25f8)
0032| 0x7fffffffd140 --> 0x1558092c0 
0040| 0x7fffffffd148 --> 0x555555809160 --> 0x5555558097c0 --> 0x7ffff72aee73
0048| 0x7fffffffd150 --> 0x2d746e610000007c ('|')
0056| 0x7fffffffd158 ("ubuntu-trusty-64")
Legend: code, data, rodata, value
Stopped reason: SIGSEGV
0x00007ffff2030d60 in ?? () from /usr/lib/apache2/modules/
gdb-peda$ bt
#0  0x00007ffff2030d60 in ?? () from /usr/lib/apache2/modules/
#1  0x00007ffff1fcf34b in php_module_startup () from
#2  0x00007ffff20d81e5 in ?? () from /usr/lib/apache2/modules/
#3  0x00007ffff20d8dd5 in ?? () from /usr/lib/apache2/modules/
#4  0x00005555555ad259 in ap_run_post_config ()
#5  0x000055555558b398 in main ()
#6  0x00007ffff714df45 in __libc_start_main (main=0x55555558aaf0 <main>,
    argv=0x7fffffffe688, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, 
    stack_end=0x7fffffffe678) at libc-start.c:287
#7  0x000055555558b6af in _start ()

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