[ovs-dev] [PATCH v3] lex: Fix stack underflow bug reported by Fuzz

[Ben Pfaff]

On Tue, Oct 02, 2018 at 01:20:42PM -0700, Yifeng Sun wrote:
> In previous code, if hexit == 0, then the boundary for 'out' is
> not checked. This patch fixes it.
> 
> Reported-at: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10710
> Signed-off-by: Yifeng Sun <pkusunyifeng at gmail.com>
> ---
> v1->v2: Fix email subject by adding [ovs-dev]
> v2->v3: Fix the code to handle any number of leading zeros, thanks Ben!

Thanks, applied and backported.