Re: cf_gen segfaults on FreeBSD-HEAD

* Henrik Nordstrom (henrik@henriknordstrom.net):

> On sön, 2007-09-16 at 19:54 +0200, Henrik Nordstrom wrote:
> > On sön, 2007-09-16 at 13:24 +0200, Thomas-Martin Seck wrote:
> >
> > > The segfaults occur only on the HEAD FreeBSD branch (7-CURRENT). We
> > > tried to see whether this is a compiler issue (FreeBSD 7 will ship with
> > > gcc 4.2.1 as the system compiler while FreeBSD-6 uses 3.4.6) and found
> > > that it probably is not: on FreeBSD 6, cf_gen works even when gcc 4.2.1
> > > is used to compile Squid while on FreeBSD HEAD it always fails, even
> > > when compiling Squid with gcc 3.4. (It might be a more subtle compiler
> > > issue regarding system libraries nonetheless. I posted about this
> > > problem a week ago on the FreeBSD-current development list but got no
> > > reply so far.)
> >
> > Could also be some uninitialized data..
> >
> > > I see the same issues with 3.0.PRE7 when it is patched up to changeset
> > > 11081; the info I get from the core is almost identical.
> >
> > Ok. Same code, same error. Feels logical...

:-)

> > > #0 0x28152226 in strcmp () from /lib/libc.so.7
> > > #1 0x08048da6 in checkDepend (directive=0x282058c0 "external_acl_type",
> > > name=0xbfbfe11e "externalAclHelper", types=0x282025e0, entries=0x28207730)
> > > at cf_gen.c:133
>
> Found a significant error related to this. Please try the attached
> patch, and please file a bug report so I have something to refer to..

The patch works, thanks (tested against STABLE16 with -O0 and -O2)!

I filed the issue as bug #2086. The additional debug info from frame 1
you requested is included in this bug report in case you still need it.
Received on Mon Sep 17 2007 - 11:39:33 MDT