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graphics: consolidate validation guest checks

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This commit is contained in:
nmzik
2026-08-31 11:06:51 +04:00
parent 96c64d113e
commit 39a34fa343
10 changed files with 62 additions and 47 deletions
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src/graphics/host_gpu/memoryTracker.cpp
+3 -7
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@@ -18,8 +18,8 @@ MemoryTracker::~MemoryTracker() = default;
#if KYTY_BUILD == KYTY_BUILD_DEBUG
void MemoryTracker::ValidateGpuDirtyPages(const RangeSet& dirty, uint64_t vaddr, uint64_t size,
const char* operation) const noexcept {
if (vaddr == 0 || size == 0 || size > UINT64_MAX - vaddr ||
(vaddr & (TRACKER_PAGE_SIZE - 1)) != 0 || (size & (TRACKER_PAGE_SIZE - 1)) != 0) {
if (!GuestRange {vaddr, size}.Valid() || (vaddr & (TRACKER_PAGE_SIZE - 1)) != 0 ||
(size & (TRACKER_PAGE_SIZE - 1)) != 0) {
EXIT("MemoryTracker: invalid dirty-page validation range\n");
}
for (auto page = vaddr; page < vaddr + size; page += TRACKER_PAGE_SIZE) {
@@ -37,9 +37,6 @@ void MemoryTracker::ValidateGpuDirtyPages(const RangeSet& dirty, uint64_t vaddr,
void MemoryTracker::ValidateGpuDirtyOwnership(const RangeSet& dirty, uint64_t vaddr, uint64_t size,
const char* operation) {
ValidateRange(vaddr, size);
if (vaddr + size > UINT64_MAX - (TRACKER_PAGE_SIZE - 1)) {
EXIT("MemoryTracker: dirty ownership range alignment overflow\n");
}
const auto begin = vaddr & ~(TRACKER_PAGE_SIZE - 1);
const auto end = (vaddr + size + TRACKER_PAGE_SIZE - 1) & ~(TRACKER_PAGE_SIZE - 1);
for (auto page = begin; page < end; page += TRACKER_PAGE_SIZE) {
@@ -56,8 +53,7 @@ void MemoryTracker::ValidateGpuDirtyOwnership(const RangeSet& dirty, uint64_t va
#endif
void MemoryTracker::ValidateRange(uint64_t vaddr, uint64_t size) {
if (vaddr == 0 || size == 0 || vaddr >= TRACKER_ADDRESS_SIZE ||
size > TRACKER_ADDRESS_SIZE - vaddr) {
if (!GuestRange {vaddr, size}.Valid()) {
EXIT("invalid memory tracker range\n");
}
}