From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 69C0C2C0F84; Sun, 1 Mar 2026 01:32:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772328724; cv=none; b=AuTpcyaRwEqjPiyCaPzY6W2PbHAKDisgOoXALWft/kQxM/E3HgsXIgX6x35zvsoCUfQWDD6g6xVT2UpjzkjnczvYGEZqs9C6UMVH+7oc2V884IKUhd1XWxaae3MHhvjLOiJUW7x2DumS5iay+04Hmqon197Btyf6fINOKjz/Rgg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772328724; c=relaxed/simple; bh=pikY6puovR2wt/GxCmYs2PC5EKriRs9N2hhv+siZf9c=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=O3wXHhAFO2D7hVBbEW7DaLf4sXfudu11W5K5JBtbSWBy/aT21T9RWEWnbNzH9WiQ8c9DuYpAI0K4GGGWwDQpaYCNP5do/safllNMpAGRnheDv47IOVn8mpL3wCKzGCjmWya7tRMf6IQQQ0k/XwRf3LWEH+a1UxYh1X/yXmZhLXk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=m0BDmrTL; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="m0BDmrTL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8A856C19421; Sun, 1 Mar 2026 01:32:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772328724; bh=pikY6puovR2wt/GxCmYs2PC5EKriRs9N2hhv+siZf9c=; h=From:To:Cc:Subject:Date:From; b=m0BDmrTL3rG9JgkKm3Ezkx4+uGAaXHN4JpPtDQL4z4I8LVxUlJJVvjj7dJB2ER1aO j58lDbiL5bEnjuSrkXTS9eQr7WY0M+htoVX6YsCt91azDO7nHZPFRo4B7o1KNE4ENp 5EGqXBdUm3dsgTB2dNk5tzblX3pZwhPWLV+KSqsYTtdKn3DFYfAziz7GZJ1Pd/5kP8 DEE32ivfcIgXFrloobzmq9Ut97ljlRVrxwJ3z0lI0hr+GM4zR8QiGiLNUiJnvw2eIY hwsTJIUzyTblWM6bzmb7VYlQH4h+RRB50VzukduKFa6xHTnPck9eIFS4E6y+64izKi CdHsWdH7vu9+g== From: Sasha Levin To: stable@vger.kernel.org, alperyasinak1@gmail.com Cc: Bryan O'Donoghue , Bryan O'Donoghue , Hans Verkuil , linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: FAILED: Patch "media: qcom: camss: vfe: Fix out-of-bounds access in vfe_isr_reg_update()" failed to apply to 6.6-stable tree Date: Sat, 28 Feb 2026 20:32:02 -0500 Message-ID: <20260301013202.1690800-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Hint: ignore X-stable: review Content-Transfer-Encoding: 8bit The patch below does not apply to the 6.6-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . Thanks, Sasha ------------------ original commit in Linus's tree ------------------ >From d965919af524e68cb2ab1a685872050ad2ee933d Mon Sep 17 00:00:00 2001 From: Alper Ak Date: Mon, 29 Dec 2025 10:52:17 +0300 Subject: [PATCH] media: qcom: camss: vfe: Fix out-of-bounds access in vfe_isr_reg_update() vfe_isr() iterates using MSM_VFE_IMAGE_MASTERS_NUM(7) as the loop bound and passes the index to vfe_isr_reg_update(). However, vfe->line[] array is defined with VFE_LINE_NUM_MAX(4): struct vfe_line line[VFE_LINE_NUM_MAX]; When index is 4, 5, 6, the access to vfe->line[line_id] exceeds the array bounds and resulting in out-of-bounds memory access. Fix this by using separate loops for output lines and write masters. Fixes: 4edc8eae715c ("media: camss: Add initial support for VFE hardware version Titan 480") Signed-off-by: Alper Ak Cc: stable@vger.kernel.org Reviewed-by: Bryan O'Donoghue Signed-off-by: Bryan O'Donoghue Signed-off-by: Hans Verkuil --- drivers/media/platform/qcom/camss/camss-vfe-480.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/qcom/camss/camss-vfe-480.c b/drivers/media/platform/qcom/camss/camss-vfe-480.c index 4feea590a47bc..d73f733fde045 100644 --- a/drivers/media/platform/qcom/camss/camss-vfe-480.c +++ b/drivers/media/platform/qcom/camss/camss-vfe-480.c @@ -202,11 +202,13 @@ static irqreturn_t vfe_isr(int irq, void *dev) writel_relaxed(status, vfe->base + VFE_BUS_IRQ_CLEAR(0)); writel_relaxed(1, vfe->base + VFE_BUS_IRQ_CLEAR_GLOBAL); - /* Loop through all WMs IRQs */ - for (i = 0; i < MSM_VFE_IMAGE_MASTERS_NUM; i++) { + for (i = 0; i < MAX_VFE_OUTPUT_LINES; i++) { if (status & BUS_IRQ_MASK_0_RDI_RUP(vfe, i)) vfe_isr_reg_update(vfe, i); + } + /* Loop through all WMs IRQs */ + for (i = 0; i < MSM_VFE_IMAGE_MASTERS_NUM; i++) { if (status & BUS_IRQ_MASK_0_COMP_DONE(vfe, RDI_COMP_GROUP(i))) vfe_buf_done(vfe, i); } -- 2.51.0