linux-kernel - [PATCH 5.10 0/1] sched/fair: fix fault in reweight

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Date:   Fri, 19 Aug 2022 10:11:39 +0300
From:   Fedor Pchelkin <pchelkin@...ras.ru>
To:     stable@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Fedor Pchelkin <pchelkin@...ras.ru>,
        Tadeusz Struk <tadeusz.struk@...aro.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        linux-kernel@...r.kernel.org,
        Alexey Khoroshilov <khoroshilov@...ras.ru>,
        ldv-project@...uxtesting.org
Subject: [PATCH 5.10 0/1] sched/fair: fix fault in reweight_entity()

Syzkaller reports general protection fault at reweight_entity() in 5.10
stable releases. The problem has been fixed by the following patch which
can be applied with minor changes to the 5.10 branch.

Found by Linux Verification Center (linuxtesting.org) with Syzkaller.