linux-kernel - Re: 6.8 to 6.9.0-rc3: kernel NULL pointer dereference in pick_next_task

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Message-ID: <CA+9S74jmWiSWaGoMU9AZnJJd1Ck2qNBdkBZG1=J3PC8gsqqWxg@mail.gmail.com>
Date: Tue, 16 Apr 2024 08:18:28 +0200
From: Igor Raits <igor@...ddata.com>
To: Peter Zijlstra <peterz@...radead.org>
Cc: linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>, slyich@...il.com, 
	wuyun.abel@...edance.com, yu.c.chen@...el.com
Subject: Re: 6.8 to 6.9.0-rc3: kernel NULL pointer dereference in pick_next_task_fair+0x89

Hello all,

We also see this issue quite frequently these days, however it gets
slightly hidden behind printk issue so that full stacktrace can't be
printed due to the deadlock.

If you will have any patch to try out we are happy to test.