diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3351-drm-amdgpu-add-check-to-avoid-array-bound-issue.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3351-drm-amdgpu-add-check-to-avoid-array-bound-issue.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3351-drm-amdgpu-add-check-to-avoid-array-bound-issue.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3351-drm-amdgpu-add-check-to-avoid-array-bound-issue.patch new file mode 100644 index 00000000..e862d490 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3351-drm-amdgpu-add-check-to-avoid-array-bound-issue.patch @@ -0,0 +1,33 @@ +From b4b46de5417802601c423c7ba7e22ae60e432c88 Mon Sep 17 00:00:00 2001 +From: Guchun Chen <guchun.chen@amd.com> +Date: Thu, 8 Aug 2019 14:54:41 +0800 +Subject: [PATCH 3351/4256] drm/amdgpu: add check to avoid array bound issue + +Sub_block_index can be passed from user level, so +add one check before accessing the array first to +prevent array index out of bound problem. + +Change-Id: I556fc560b44215848ba3a95f757febdf3d0af422 +Signed-off-by: Guchun Chen <guchun.chen@amd.com> +Reviewed-by: Tao Zhou <tao.zhou1@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +index 56faabc8fb13..c25002329728 100644 +--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +@@ -5984,6 +5984,9 @@ static int gfx_v9_0_ras_error_inject(struct amdgpu_device *adev, + if (adev->asic_type != CHIP_VEGA20) + return -EINVAL; + ++ if (info->head.sub_block_index >= ARRAY_SIZE(ras_gfx_subblocks)) ++ return -EINVAL; ++ + if (!ras_gfx_subblocks[info->head.sub_block_index].name) + return -EPERM; + +-- +2.17.1 + |