From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org, Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Sasha Levin" <sashal@kernel.org>,
"Roman Demidov" <roman.demidov.nn@gmail.com>,
"Harry Wentland" <harry.wentland@amd.com>,
"Leo Li" <sunpeng.li@amd.com>,
"Rodrigo Siqueira" <Rodrigo.Siqueira@amd.com>,
"Alex Deucher" <alexander.deucher@amd.com>,
"Christian König" <christian.koenig@amd.com>,
"Xinhui Pan" <Xinhui.Pan@amd.com>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Wayne Lin" <Wayne.Lin@amd.com>,
"Timur Kristóf" <timur.kristof@gmail.com>,
"Fangzhi Zuo" <Jerry.Zuo@amd.com>,
"Mario Limonciello" <Mario.Limonciello@amd.com>,
"Srinivasan Shanmugam" <srinivasan.shanmugam@amd.com>,
"Ivan Lipski" <ivan.lipski@amd.com>,
"Melissa Wen" <mwen@igalia.com>, "Alex Hung" <alex.hung@amd.com>,
"Mario Limonciello (AMD)" <superm1@kernel.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"Sunil Khatri" <sunil.khatri@amd.com>,
"Andrey Grodzovsky" <Andrey.Grodzovsky@amd.com>,
"Bhawanpreet Lakha" <Bhawanpreet.Lakha@amd.com>,
amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org, "WenTao Liang" <vulab@iscas.ac.cn>,
"George Zhang" <george.zhang@amd.com>
Subject: Re: [PATCH 5.10/6.1] drm/amd/display: set new_stream to NULL after release
Date: Mon, 14 Sep 2026 22:03:31 -0400 [thread overview]
Message-ID: <daily-reply-0015-re-amd-display-new-stream-null@kernel.org> (raw)
In-Reply-To: <20260914081639.12512-1-roman.demidov.nn@gmail.com>
> If a later error (e.g., color management failure) triggers the fail
> label, the error path calls dc_stream_release() again on the same
> dangling pointer, causing a double release and potential use-after-free.
5.15 carries the same double release of new_stream in dm_update_crtc_state()
and has no fix for it, so taking 6.1 and 5.10 alone would make a 5.10 to 5.15
upgrade a regression.
Could you send a v2 covering 5.15 as well?
--
Thanks,
Sasha
prev parent reply other threads:[~2026-09-15 2:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-14 8:16 [PATCH 5.10/6.1] drm/amd/display: set new_stream to NULL after release Roman Demidov
2026-09-15 2:03 ` Sasha Levin [this message]
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