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virgl: Fix buffer overflow warning:

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./src/gallium/winsys/virgl/drm/virgl_drm_winsys.c: In function ‘virgl_drm_winsys_resource_set_type’:
../src/gallium/winsys/virgl/drm/virgl_drm_winsys.c:607:10: warning: array subscript 14 is above array bounds of ‘uint32_t[14]’ {aka ‘unsigned int[14]’} [-Warray-bounds]
  607 |       cmd[VIRGL_PIPE_RES_SET_TYPE_PLANE_OFFSET(i)] = plane_offsets[i];
      |       ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../src/gallium/winsys/virgl/drm/virgl_drm_winsys.c:582:13: note: while referencing ‘cmd’
  582 |    uint32_t cmd[VIRGL_PIPE_RES_SET_TYPE_SIZE(VIRGL_MAX_PLANE_COUNT)];
      |             ^~~

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18231>
This commit is contained in:
Gert Wollny 2022-08-24 15:00:51 +02:00 • committed by Marge Bot
parent b915c45cb9
commit 086ba33218
1 changed files with 1 additions and 1 deletions
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2
src/gallium/winsys/virgl/drm/virgl_drm_winsys.c
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@ -579,7 +579,7 @@ virgl_drm_winsys_resource_set_type(struct virgl_winsys *qws,
const uint32_t *plane_offsets)
{
struct virgl_drm_winsys *qdws = virgl_drm_winsys(qws);
uint32_t cmd[VIRGL_PIPE_RES_SET_TYPE_SIZE(VIRGL_MAX_PLANE_COUNT)];
uint32_t cmd[VIRGL_PIPE_RES_SET_TYPE_SIZE(VIRGL_MAX_PLANE_COUNT) + 1];
struct drm_virtgpu_execbuffer eb;
int ret;