From 115cf260ac54a6793a184227d6ae6bfe3da74a56 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@redhat.com>
Date: Wed, 9 Jan 2019 17:10:05 +0100
Subject: [PATCH 1/4] BaseTools: Fix UEFI and Tiano Decompression logic issue
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Message-id: <20190109161007.3471-2-philmd@redhat.com>
Patchwork-id: 83924
O-Subject:  [RHEL8 edk2 PATCH 1/3] BaseTools: Fix UEFI and Tiano Decompression
	logic issue
Bugzilla: 1662184
Acked-by: Laszlo Ersek <lersek@redhat.com>
Acked-by: Vitaly Kuznetsov <vkuznets@redhat.com>

From: Liming Gao <liming.gao@intel.com>

https://bugzilla.tianocore.org/show_bug.cgi?id=1317

This is a regression issue caused by 041d89bc0f0119df37a5fce1d0f16495ff905089.
In Decode() function, once mOutBuf is fully filled, Decode() should return.
Current logic misses the checker of mOutBuf after while() loop.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>
(cherry picked from commit 5e45a1fdcfbf9b2b389122eb97475148594625f8)
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
---
 BaseTools/Source/C/Common/Decompress.c           | 6 ++++++
 BaseTools/Source/C/TianoCompress/TianoCompress.c | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/BaseTools/Source/C/Common/Decompress.c b/BaseTools/Source/C/Common/Decompress.c
index bdc10f5..af76f67 100644
--- a/BaseTools/Source/C/Common/Decompress.c
+++ b/BaseTools/Source/C/Common/Decompress.c
@@ -662,6 +662,12 @@ Returns: (VOID)
 
         BytesRemain--;
       }
+      //
+      // Once mOutBuf is fully filled, directly return
+      //
+      if (Sd->mOutBuf >= Sd->mOrigSize) {
+        return ;
+      }
     }
   }
 
diff --git a/BaseTools/Source/C/TianoCompress/TianoCompress.c b/BaseTools/Source/C/TianoCompress/TianoCompress.c
index d07fd9e..369f7b3 100644
--- a/BaseTools/Source/C/TianoCompress/TianoCompress.c
+++ b/BaseTools/Source/C/TianoCompress/TianoCompress.c
@@ -2649,6 +2649,12 @@ Returns: (VOID)
 
         BytesRemain--;
       }
+      //
+      // Once mOutBuf is fully filled, directly return
+      //
+      if (Sd->mOutBuf >= Sd->mOrigSize) {
+        goto Done ;
+      }
     }
   }
 
-- 
1.8.3.1