OpenPunk/yuzu
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

buffer_cache: avoid overflow in usage tracker (#13166)

Browse Source
This commit is contained in:
liamwhite
2024-02-27 09:39:11 -05:00
committed by GitHub
parent 9bc85dda5f
commit 1de37306a5
1 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/video_core/buffer_cache/usage_tracker.h
View File

@@ -26,6 +26,9 @@ public:
void Track(u64 offset, u64 size) noexcept {
const size_t page = offset >> PAGE_SHIFT;
const size_t page_end = (offset + size) >> PAGE_SHIFT;
if (page_end < page || page_end >= pages.size()) {
return;
}
TrackPage(page, offset, size);
if (page == page_end) {
return;
@@ -41,6 +44,9 @@ public:
[[nodiscard]] bool IsUsed(u64 offset, u64 size) const noexcept {
const size_t page = offset >> PAGE_SHIFT;
const size_t page_end = (offset + size) >> PAGE_SHIFT;
if (page_end < page || page_end >= pages.size()) {
return false;
}
if (IsPageUsed(page, offset, size)) {
return true;
}