Re: [PATCH v2] selftests/x86/lam: Zero out buffer for readlink()

From: kirill . shutemov
Date: Mon Oct 16 2023 - 04:47:44 EST


On Mon, Oct 16, 2023 at 02:24:46PM +0800, Binbin Wu wrote:
> Zero out the buffer for readlink() since readlink() does not append a
> terminating null byte to the buffer. Also change the buffer length
> passed to readlink() to 'PATH_MAX - 1' to ensure the resulting string
> is always null terminated.
>
> Fixes: 833c12ce0f430 ("selftests/x86/lam: Add inherit test cases for linear-address masking")
>
> Signed-off-by: Binbin Wu <binbin.wu@xxxxxxxxxxxxxxx>

Reviewed-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

--
Kiryl Shutsemau / Kirill A. Shutemov