bug#18806: grep -rP getline crashes prematurely (without displaying all results) on invalid UTF-8 input with LC_ALL=en_US.UTF-8

[Shlomi Fish]

On Sat, 25 Oct 2014 01:45:42 +0900
Norihiro Tanaka <address@hidden> wrote:

> Shlomi Fish <address@hidden> write:
> > `which grep` --color -rP getline grep-test
> 
> If -o or --color option is specified, may be line_end < validated in
> longest exact match.  As a result, a negative value is set to
> `search_bytes'.
> 
> I improved validation for input buffer in order to fix the bug.
> However, possibly it may cause slowdown.

thanks for the patch!

Regards,

        -- Shlomi Fish

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