From 0ba3a7d1c67de9b6d94f835f6e90a1f2e115f94c Mon Sep 17 00:00:00 2001 From: Dan Engelbrecht Date: Tue, 14 Jun 2022 23:37:05 +0200 Subject: Make sure we don't try to create a ZipFS IoBuffer of zero size --- zenserver/frontend/frontend.cpp | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'zenserver/frontend/frontend.cpp') diff --git a/zenserver/frontend/frontend.cpp b/zenserver/frontend/frontend.cpp index 842587708..e203e0631 100644 --- a/zenserver/frontend/frontend.cpp +++ b/zenserver/frontend/frontend.cpp @@ -26,7 +26,7 @@ FindZipFsInBinary(const IoBuffer& BinBuffer) uintptr_t Cursor = uintptr_t(BinBuffer.GetData()); size_t BinSize = 0; - uint32_t Magic = *(uint32_t*)(BinBuffer.GetData()); + uint32_t Magic = *(uint32_t*)(Cursor); #if ZEN_PLATFORM_LINUX if (Magic == 0x464c457f) { @@ -134,6 +134,12 @@ FindZipFsInBinary(const IoBuffer& BinBuffer) return {}; } + size_t ZipFsSize = BinBuffer.Size() - BinSize; + if (!ZipFsSize) + { + return {}; + } + return IoBuffer(BinBuffer, BinSize); } -- cgit v1.2.3