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-rw-r--r--src/core/file_sys/ips_layer.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/core/file_sys/ips_layer.cpp b/src/core/file_sys/ips_layer.cpp
index 7be1322cc..31033634c 100644
--- a/src/core/file_sys/ips_layer.cpp
+++ b/src/core/file_sys/ips_layer.cpp
@@ -73,6 +73,9 @@ VirtualFile PatchIPS(const VirtualFile& in, const VirtualFile& ips) {
return nullptr;
auto in_data = in->ReadAllBytes();
+ if (in_data.size() == 0) {
+ return nullptr;
+ }
std::vector<u8> temp(type == IPSFileType::IPS ? 3 : 4);
u64 offset = 5; // After header
@@ -88,6 +91,10 @@ VirtualFile PatchIPS(const VirtualFile& in, const VirtualFile& ips) {
else
real_offset = (temp[0] << 16) | (temp[1] << 8) | temp[2];
+ if (real_offset > in_data.size()) {
+ return nullptr;
+ }
+
u16 data_size{};
if (ips->ReadObject(&data_size, offset) != sizeof(u16))
return nullptr;