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Re: [PATCH] inet/tst-if_index-long: New test case for CVE-2018-19591 [BZ #23927]

27.11.2018 18:26 Florian Weimer <> wrote:
> [...]
> diff --git a/inet/tst-if_index-long.c b/inet/tst-if_index-long.c
> new file mode 100644
> index 0000000000..3dc74874e5
> --- /dev/null
> +++ b/inet/tst-if_index-long.c
> @@ -0,0 +1,61 @@
> +/* Check for descriptor leak in if_nametoindex with a long interface
> name.
> +   Copyright (C) 2018 Free Software Foundation, Inc.
> +   This file is part of the GNU C Library.
> +
> +   The GNU C Library is free software; you can redistribute it and/or
> +   modify it under the terms of the GNU Lesser General Public
> +   License as published by the Free Software Foundation; either
> +   version 2.1 of the License, or (at your option) any later version.
> +
> +   The GNU C Library is distributed in the hope that it will be useful,
> +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> +   Lesser General Public License for more details.
> +
> +   You should have received a copy of the GNU Lesser General Public
> +   License along with the GNU C Library; if not, see
> +   <>.  */
> +
> +/* This test checks for a descriptor leak in case of a long interface
> +   name (CVE-2018-19591, bug 23927).  */

These two lines look almost the same as the first line of the file.
Are you sure you need this information repeated twice?

My review is very quick, I can only confirm that your patch applies,
builds and runs fine on x86_64, also it correctly fails if the commit
d527c86 [1] is removed.




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