Messages in this thread | | | Date | Wed, 07 Aug 2013 11:19:32 +0300 | From | Adrian Hunter <> | Subject | Re: [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.
| |