Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Mon, 21 Oct 2019 15:03:18 -0400
From: Rich Felker <>
Subject: Re: another armv7-m exception handling problem

On Mon, Oct 21, 2019 at 08:09:56PM +0200, Szabolcs Nagy wrote:
> * Patrick Oppenlander <> [2019-10-21 15:43:40 +1100]:
> > Not sure if this is a musl, gcc or ld bug.
> > 
> > Running gcc-8.3.0 musl 1.1.24 static pie.
> providing binutils version number is useful if there is
> a chance that it's an ld bug.
> this seems to be
> which was supposed to be fixed by
> but apperently there are still missing cases.
> (it does not help that the ld test for this bug
> greps for R_*_NONE dynrelocs but not R_*_RELATIVE
> which i is just as bad for undef weak syms in pie)
> i added a note to the bug.
> if you add __attribute__((visibility("hidden")))
> to the example given by Rich then it works, the
> bug only affects static pie linking.

That's really weird. How does it end up having an outstanding
*relative* relocation when it's not defined locally? I could
understand having a bogus outstanding symbolic one, but relative makes
no sense and suggests ld is doing something very wrong...


Powered by blists - more mailing lists

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.