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radv/meta: Fix a stack use-after-free with sample locations

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As soon as the if ends (or possibly before?) the VkSampleLocationsInfoEXT
goes out of scope.  We need it to stay valid until after the
vkCmdPipelineBarrier completes.

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18084>
This commit is contained in:
Jason Ekstrand 2022-05-20 18:05:10 -05:00 • committed by Marge Bot
parent 297d82763b
commit 4f9dabc1a6
1 changed files with 3 additions and 1 deletions
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4
src/amd/vulkan/radv_meta_resolve.c
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@ -822,6 +822,7 @@ radv_decompress_resolve_src(struct radv_cmd_buffer *cmd_buffer, struct radv_imag
}
};
VkSampleLocationsInfoEXT sample_loc_info;
if (src_image->vk.create_flags & VK_IMAGE_CREATE_SAMPLE_LOCATIONS_COMPATIBLE_DEPTH_BIT_EXT) {
/* If the depth/stencil image uses different sample
* locations, we need them during HTILE decompressions.
@ -829,13 +830,14 @@ radv_decompress_resolve_src(struct radv_cmd_buffer *cmd_buffer, struct radv_imag
struct radv_sample_locations_state *sample_locs =
radv_get_resolve_sample_locations(cmd_buffer);
barrier.pNext = &(VkSampleLocationsInfoEXT){
sample_loc_info = (VkSampleLocationsInfoEXT){
.sType = VK_STRUCTURE_TYPE_SAMPLE_LOCATIONS_INFO_EXT,
.sampleLocationsPerPixel = sample_locs->per_pixel,
.sampleLocationGridSize = sample_locs->grid_size,
.sampleLocationsCount = sample_locs->count,
.pSampleLocations = sample_locs->locations,
};
barrier.pNext = &sample_loc_info;
}
VkDependencyInfo dep_info = {