Mesa (19.1): radv: Prevent out of bound shift on 32-bit builds.
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Tue Jun 11 14:12:02 UTC 2019
Module: Mesa
Branch: 19.1
Commit: 49c17e845a37ba58387e0fc4284841c8ddad8639
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=49c17e845a37ba58387e0fc4284841c8ddad8639
Author: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Date: Mon Jun 10 16:17:46 2019 +0200
radv: Prevent out of bound shift on 32-bit builds.
uintptr_t is 32-bits then and shifting it by 32 bits results in undefined
behavior IIRC.
Fixes: b3c8de1c55c "radv: save all descriptor pointers into the trace BO"
Reviewed-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
(cherry picked from commit 39c71e002561052d0596200b2d0ebdb8cc39d862)
---
src/amd/vulkan/radv_cmd_buffer.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index 73f027df15d..3b87146ebd0 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -566,8 +566,8 @@ radv_save_descriptors(struct radv_cmd_buffer *cmd_buffer,
for_each_bit(i, descriptors_state->valid) {
struct radv_descriptor_set *set = descriptors_state->sets[i];
- data[i * 2] = (uintptr_t)set;
- data[i * 2 + 1] = (uintptr_t)set >> 32;
+ data[i * 2] = (uint64_t)(uintptr_t)set;
+ data[i * 2 + 1] = (uint64_t)(uintptr_t)set >> 32;
}
radv_emit_write_data_packet(cmd_buffer, va, MAX_SETS * 2, data);
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