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Add various checks trying to avoid various crashes found in Google Play crash reports.

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This commit is contained in:
Henrik Rydgård
2026-02-05 11:12:53 +01:00
parent 0c3f6afeef
commit 841e4c8564
8 changed files with 28 additions and 8 deletions
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Core/FileSystems/ISOFileSystem.cpp
+5 -3
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@@ -529,6 +529,8 @@ size_t ISOFileSystem::ReadFile(u32 handle, u8 *pointer, s64 size, int &usec) {
const int firstBlockSize = firstBlockOffset == 0 ? 0 : (int)std::min(size, 2048LL - firstBlockOffset);
const int lastBlockSize = (size - firstBlockSize) & 2047;
const s64 middleSize = size - firstBlockSize - lastBlockSize;
_dbg_assert_((middleSize & 2047) == 0);
u32 secNum = (u32)(positionOnIso / 2048);
u8 theSector[2048];
@@ -543,9 +545,9 @@ size_t ISOFileSystem::ReadFile(u32 handle, u8 *pointer, s64 size, int &usec) {
pointer += firstBlockSize;
}
if (middleSize > 0) {
const u32 sectors = (u32)(middleSize / 2048);
blockDevice->ReadBlocks(secNum, sectors, pointer);
secNum += sectors;
const u32 middleSectors = (u32)(middleSize / 2048);
blockDevice->ReadBlocks(secNum, middleSectors, pointer);
secNum += middleSectors;
pointer += middleSize;
}
if (lastBlockSize > 0) {