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From: Nikita Zhandarovich <n.zhandarovich@fintech.ru>
To: <stable@vger.kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CC: Nikita Zhandarovich <n.zhandarovich@fintech.ru>, =?utf-8?b?RGltYcK3Q2h1?=
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Subject: [PATCH 5.10 0/1] net/mlx5e: Fix nullptr in mlx5e_tc_add_fdb_flow()
Date: Mon, 26 Dec 2022 10:09:49 -0800
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net/mlx5e: Fix nullptr in mlx5e_tc_add_fdb_flow()
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Message
Nikita Zhandarovich
Dec. 26, 2022, 6:09 p.m. UTC
The result of __dev_get_by_index() is not checked for NULL, which then passed to mlx5e_attach_encap() and gets dereferenced. This patch backports commit <fe7738e> to correct the issue in 5.10 branch. Found by Linux Verification Center (linuxtesting.org) with SVACE.