lkml.org 
[lkml]   [2013]   [Aug]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH V9 05/14] perf tools: tidy up sample parsing overflow checking
On 07/08/13 11:09, Namhyung Kim wrote:
> On Mon, 5 Aug 2013 19:26:25 +0300, Adrian Hunter wrote:
>> The size of data retrieved from a sample event must be
>> validated to ensure it does not go past the end of the
>> event. That was being done sporadically and without
>> considering integer overflows.
>
> Wouldn't it be great if the macro (or something) can do all three things
> together - checking overflow, getting current value (pointer) and
> advancing the array to the size? Is that possible?

Macros are not the answer to everything.



\
 
 \ /
  Last update: 2013-08-07 10:41    [W:0.060 / U:9.312 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site