Re: Bug #1031: unlink causes seg fault
| From: | Michael Matsumura | Date: | Tue, 05 Jan 1999 20:21:46 +0000 |
| Subject: | Re: Bug #1031: unlink causes seg fault | ||
| References: | 1 | Groups: | php.dev |
| Request: | Send a blank email to php-dev+get-3294@lists.php.net to get a copy of this message | ||
Rasmus Lerdorf wrote:
>
> > PHP wouldn't generate a core file..I ran httpd -X as root and did unlimit
> > coredumpsize...find / -name core reports nothing :\
> >
> > unlink causes the crash, though if i comment unlink out, and use system, it works...
>
> Run httpd -X under gdb and just do a "bt" to get a backtrace. I'd love to
> see it.
>
> -Rasmus
ah, forgot about that option..
(gdb) set args -X
(gdb) exec-file /usr/sbin/httpd
A program is being debugged already. Kill it? (y or n) y
(gdb) run
Starting program: /usr/sbin/httpd -X
Program received signal SIGSEGV, Segmentation fault.
0x400f657d in chunk_alloc (ar_ptr=0x4014abd0, nb=40) at malloc.c:2733
malloc.c:2733: No such file or directory.
(gdb) bt
#0 0x400f657d in chunk_alloc (ar_ptr=0x4014abd0, nb=40) at
malloc.c:2733
#1 0x400f6f2d in chunk_realloc (ar_ptr=0x4014abd0, oldp=0x8161568,
oldsize=32, nb=40) at malloc.c:3223
#2 0x400f6c38 in __libc_realloc (oldmem=0x8161570, bytes=31) at
malloc.c:3102
#3 0x806a4da in ?? ()
#4 0x8066bae in ?? ()
#5 0x8098b11 in ?? ()
#6 0x806456b in ?? ()
#7 0x806481c in ?? ()
#8 0x8061dac in ?? ()
#9 0x8061e12 in ?? ()
#10 0x80a0547 in ?? ()
#11 0x80b2705 in ?? ()
#12 0x80b2764 in ?? ()
#13 0x80aaad5 in ?? ()
#14 0x80aac60 in ?? ()
#15 0x80aadc3 in ?? ()
#16 0x80ab3b8 in ?? ()
#17 0x80abb8b in ?? ()
--
Michael Matsumura
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