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Date: Wed, 19 Nov 2014 14:58:24 -0500
From: Rich Felker <dalias@...c.org>
To: musl@...ts.openwall.com
Subject: Re: webkitfltk segfaults in do_relocs
On Wed, Nov 19, 2014 at 11:48:28AM -0800, Isaac Dunham wrote:
> On Wed, Nov 19, 2014 at 02:13:11PM -0500, Rich Felker wrote:
> > On Wed, Nov 19, 2014 at 11:04:47AM -0800, Isaac Dunham wrote:
> > > On Wed, Nov 19, 2014 at 11:50:50AM -0500, Rich Felker wrote:
> > > > On Wed, Nov 19, 2014 at 08:44:15AM -0800, Isaac Dunham wrote:
> > > > > Hello,
> > > > > I've been trying to get WebkitFLTK[1] working on Alpine, and I have it
> > > > > building.
> > > > > But as usual, that's the easy part. The test program,
> > > > > Source/WebKit/fltk/testapp/testapp, segfaults in do_relocs.
> > > > > I'm attaching the output of bt full.
> > > >
> > > > Could you also provide a disassembly and register dump at the point of
> > > > crash?
> > > >
> > > Attaching output of gdb disassemble and info all-registers.
> > >
> > > It's segfaulting "at line 365 of src/ldso/dynlink.c", for what that's worth.
> > >
> > > I'm providing the link command as well in case the problem is there.
> >
> > It looks like it's trying to apply a relocation to a read-only part of
> > the mapping. Could you provide the output of readelf -a testapp? That
> > would let me get an idea what's going on. It's probably too big to
> > send as an attachment raw but compressing it with gzip will probably
> > make it okay, or you could just send a link to a pastebin or similar
> > (sprunge.us preferred).
> That's 31.1 MB, over four and a half gzipped, 2.1 MB XZ-compressed.
>
> Not sure how to proceed.
Uhg. Do you have anywhere you can upload it and provide a link?
Rich
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