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From: Ingo Molnar <mingo@kernel.org>
To: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Linux List Kernel Mailing <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@redhat.com>
Subject: Re: BUG: KASAN: slab-use-after-free in reweight_entity+0x8d4
Date: Sat, 21 Oct 2023 17:02:13 +0200	[thread overview]
Message-ID: <ZTPn9VztOvvux3oD@gmail.com> (raw)
In-Reply-To: <CABXGCsNMFZHXvtN7uAmjUPewfAcgD038rMhkruQCD8kqS3cXaA@mail.gmail.com>


* Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com> wrote:

> Hi,
> I caught one slab-use-after-free durung release cycle 6.6 rc6 and it
> looks like it will not easily reproduce again.
> I tried rebooting and repeating all my actions but slab-use-after-free
> did not happen again.
> 
> What we know:
> 
> 1) backtrace:
> 
> [  336.215839] BUG: KASAN: slab-use-after-free in reweight_entity+0x8d4/0xa50
> [  336.215846] Read of size 8 at addr ffff88812d1a80b0 by task
> fossilize_repla/10552

I think it might be the bug fixed via:

  d2929762cc3f ("sched/eevdf: Fix heap corruption more")

Thanks,

	Ingo

      reply	other threads:[~2023-10-21 15:02 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-21 12:26 BUG: KASAN: slab-use-after-free in reweight_entity+0x8d4 Mikhail Gavrilov
2023-10-21 15:02 ` Ingo Molnar [this message]

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