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From: "Ricardo B. Marliere" <ricardo@marliere.net>
To: Juntong Deng <juntong.deng@outlook.com>
Cc: ryabinin.a.a@gmail.com, glider@google.com, andreyknvl@gmail.com,
	 dvyukov@google.com, vincenzo.frascino@arm.com,
	akpm@linux-foundation.org,  linux-mm@kvack.org,
	 "linux-kernel-mentees@lists.linuxfoundation.org"
	<linux-kernel-mentees@lists.linuxfoundation.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	 kasan-dev@googlegroups.com
Subject: Re: [RFC] mm/kasan: Add Allocation, Free, Error timestamps to KASAN report
Date: Tue, 17 Oct 2023 17:10:14 -0300	[thread overview]
Message-ID: <eqinp4exznpgclzgz3ytjfdbpjffyyfn62dqfiaw2htk4ppa5p@ip25t7yczqc3> (raw)
In-Reply-To: <VI1P193MB075256E076A09E5B2EF7A16F99D6A@VI1P193MB0752.EURP193.PROD.OUTLOOK.COM>

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.


  reply	other threads:[~2023-10-17 20:10 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-17 19:39 Juntong Deng
2023-10-17 20:10 ` Ricardo B. Marliere [this message]
2023-10-25 19:22 ` Andrey Konovalov
2023-10-29  9:05   ` Juntong Deng
2023-10-30  6:29     ` Dmitry Vyukov
2023-10-30  9:28       ` Juntong Deng
2023-10-30 10:10         ` Dmitry Vyukov
2023-10-30 11:32           ` Juntong Deng
2023-10-31  9:46             ` Dmitry Vyukov
2023-11-02 14:58               ` Andrey Konovalov
2023-11-09 19:40                 ` Juntong Deng

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