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Robustness fix

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This commit is contained in:
Henrik Rydgård
2026-07-25 14:53:40 +02:00
parent 7464269c0b
commit 26ff5fdb00
1 changed files with 10 additions and 3 deletions
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Core/HLE/sceKernelModule.cpp
+10 -3
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@@ -1135,10 +1135,17 @@ static PSPModule *__KernelLoadELFFromPtr(const u8 *ptr, size_t elfSize, u32 load
_assert_msg_(temp != nullptr, "Failed to allocate gzip decompression buffer (decryptedSize: %d)", decryptedSize);
memcpy(temp, ptr, decryptedSize);
int outBytes = gzipDecompress((u8 *)ptr, maxElfSize, temp);
if (outBytes < 0) {
ERROR_LOG(Log::sceModule, "Module gzip decompression failed!");
}
free(temp);
if (outBytes < 0) {
// Not necessarily actually gzip - some kd/ system modules (and possibly VSH
// modules) use KL4E compression instead, which we don't support decompressing.
// Bail out cleanly here rather than falling through to parse whatever's left
// in the buffer (still compressed, not a valid ELF) as if it were real code.
*error_string = StringFromFormat("Module '%s' decompression failed", head->modname);
// TODO: Might be the wrong error code.
error = SCE_KERNEL_ERROR_FILEERR;
return nullptr;
}
INFO_LOG(Log::sceModule, "gzip is enabled in '%s', decompressing (%d -> %d bytes, bufmax=%d).", head->modname, decryptedSize, outBytes, maxElfSize);
}