diff options
| author | Fullway Wang <fullwaywang@outlook.com> | 2024-01-18 02:35:06 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-03-07 16:56:51 +0100 |
| commit | eeb62bb4ca22db17f7dfe8fb8472e0442df3d92f (patch) | |
| tree | 40cbf7fb19d3a96b9181db911656cfe119400db1 | |
| parent | 020ecb76812a0526f4130ab5aeb6dc7c773e7ab9 (diff) | |
media: mtk-vcodec: potential null pointer deference in SCP
commit 53dbe08504442dc7ba4865c09b3bbf5fe849681b upstream.
The return value of devm_kzalloc() needs to be checked to avoid
NULL pointer deference. This is similar to CVE-2022-3113.
Link: https://lore.kernel.org/linux-media/PH7PR20MB5925094DAE3FD750C7E39E01BF712@PH7PR20MB5925.namprd20.prod.outlook.com
Signed-off-by: Fullway Wang <fullwaywang@outlook.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Jianqi Ren <jianqi.ren.cn@windriver.com>
Signed-off-by: He Zhe <zhe.he@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/media/platform/mediatek/vcodec/mtk_vcodec_fw_scp.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_fw_scp.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_fw_scp.c index d8e66b645bd8..27f08b1d34d1 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_fw_scp.c +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_fw_scp.c @@ -65,6 +65,8 @@ struct mtk_vcodec_fw *mtk_vcodec_fw_scp_init(struct mtk_vcodec_dev *dev) } fw = devm_kzalloc(&dev->plat_dev->dev, sizeof(*fw), GFP_KERNEL); + if (!fw) + return ERR_PTR(-ENOMEM); fw->type = SCP; fw->ops = &mtk_vcodec_rproc_msg; fw->scp = scp; |