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Message-ID: <CAKsLdYwQYZ0t1xooGy98FFF8LS9GHv3tHdsaZAanDze8x_5sng@mail.gmail.com>
Date: Mon, 3 Jun 2019 14:46:01 -0400
From: sva sva <azharivs@...il.com>
To: musl@...ts.openwall.com
Subject: Re: Hijacking malloc called within musl libc
I am in fact using version 1.1.19 and don't have the option to upgrade to
1.1.20. My config.mak file also contains the option -Bsymbolic-functions in
the LDFLAGS_AUTO variable.
On Fri, May 31, 2019 at 9:34 AM Rich Felker <dalias@...c.org> wrote:
> On Fri, May 31, 2019 at 01:43:17PM +0200, Szabolcs Nagy wrote:
> > * sva sva <azharivs@...il.com> [2019-05-31 00:13:27 -0400]:
> > > I am interposing all malloc/calloc/realloc/free/memalign but still the
> > > realloc in scandir gets called from musl's libc. Does that make sense?
> >
> > no.
> >
> > it works for me as expected.
> >
> > you need to write down what you did, what you expected and what you got
> instead.
> > (how did you verify that the musl internal realloc gets called?
> > it can be a bug in your interposer, in your static linker, in ...)
>
> It's almost certainly a matter of using a pre-1.1.20 version of musl,
> or having an old config.mak from pre-1.1.20 musl (with
> -Bsymbolic-functions) rather than re-running configure with the
> current version.
>
> Rich
>
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