[Buildroot] [PATCH] argp-standalone: restrict value range passed to isprint function
Thomas Petazzoni
thomas.petazzoni at free-electrons.com
Fri May 1 09:09:26 UTC 2015
Dear Max Filippov,
On Tue, 28 Apr 2015 11:50:36 +0300, Max Filippov wrote:
> According to C standards isprint argument shall be representable as an
> unsigned char or be equal to EOF, otherwise the behaviour is undefined.
>
> Passing arbitrary ints leads to segfault in nm program from elfutils.
>
> Restrict isprint argument range to values representable by unsigned char.
>
> Signed-off-by: Max Filippov <jcmvbkbc at gmail.com>
> ---
> package/argp-standalone/0002-isprint.patch | 35 ++++++++++++++++++++++++++++++
> 1 file changed, 35 insertions(+)
> create mode 100644 package/argp-standalone/0002-isprint.patch
Applied, thanks. I've added a reference to the corresponding glibc
commit.
Thanks,
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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