Re: [RFC] mm/kasan: Add Allocation, Free, Error timestamps to KASAN report

From: Ricardo B. Marliere
Date: Tue Oct 17 2023 - 16:15:48 EST


On 23/10/18 03:39AM, Juntong Deng wrote:
> If the free time is slightly before the error time, then there is a
> high probability that this is an error caused by race condition.
>
> If the free time is long before the error time, then this is obviously
> not caused by race condition, but by something else.

That sounds a bit arbitrary to me. How do you set the threshold for each
case? I mean, the fact remains: an invalid read after the object being
freed. Does it matter what it was caused by? It should be fixed
regardless.