Date: Sat, 31 Jan 2004 17:44:42 +0100 From: Melvyn Sopacua <freebsd-questions@webteckies.org> To: freebsd-questions@FreeBSD.org Subject: Re: apache is seg faulting. why ? Message-ID: <200401311744.42949.freebsd-questions@webteckies.org> In-Reply-To: <401BD980.1050009@jonepet.net> References: <20040130124034.GA408@colargol.aaton.com> <200401311732.57733.freebsd-questions@webteckies.org> <401BD980.1050009@jonepet.net>
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On Saturday 31 January 2004 17:36, Jon-Eirik Pettersen wrote:
> Melvyn Sopacua wrote:
> >On Friday 30 January 2004 13:40, julien Beauviala wrote:
> >>the following :
> >>>pid 72041 (httpd), uid 80: exited on signal 11
> >>>pid 72040 (httpd), uid 80: exited on signal 11
> >>>pid 72099 (httpd), uid 80: exited on signal 11
> >>>pid 72039 (httpd), uid 80: exited on signal 11
> >>>pid 74202 (httpd), uid 80: exited on signal 11
> >
> >Make sure you're up-to-date - it may be a security hole.
> >
> >Otherwise: use top(1) and check if at some point you see a httpd process
> >spinning wildly for a long time, while memory grows.
> >
> >A frequent problem, is that somebody coded an infinite loop, filling a
> >variable and then the process runs outof memory and segfaults.
> >
> >PHP code like this for example:
> >$i =3D 11;
> >$buffer =3D '';
> >while ( $i !=3D 10 )
> >{
> > $buffer .=3D 'hello';
> > $i++;
> >}
>
> PHP does have memory-limits.
Yes, but if the shell limit for uid 80 is less then php's memory limit, you=
=20
still have a segfault.
=2D-=20
Melvyn
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D
=46reeBSD sarevok.webteckies.org 5.2-CURRENT FreeBSD 5.2-CURRENT #0: Wed Ja=
n 28=20
18:01:18 CET 2004 =20
root@sarevok.lan.webteckies.org:/usr/obj/usr/src/sys/SAREVOK_NOAPM_NODEBUG =
=20
i386
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D
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