From: Igor Kulaychuk <i.kulaychuk@samsung.com>
Date: Wed, 25 Apr 2018 18:31:59 +0000 (+0300)
Subject: [Tizen] Fix OOPStackUnwinderX86::Unwind crash when Eip is invalid
X-Git-Tag: accepted/tizen/unified/20221103.165808~66
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4394bca516bce731cffd21b5be6e6777e7365628;p=platform%2Fupstream%2Fdotnet%2Fruntime.git

[Tizen] Fix OOPStackUnwinderX86::Unwind crash when Eip is invalid
---

diff --git a/src/coreclr/unwinder/i386/unwinder_i386.cpp b/src/coreclr/unwinder/i386/unwinder_i386.cpp
index 958d0af..75bbabb 100644
--- a/src/coreclr/unwinder/i386/unwinder_i386.cpp
+++ b/src/coreclr/unwinder/i386/unwinder_i386.cpp
@@ -29,7 +29,7 @@ BOOL OOPStackUnwinderX86::Unwind(T_CONTEXT* pContextRecord, T_KNONVOLATILE_CONTE
     EECodeInfo codeInfo;
     codeInfo.Init((PCODE) ControlPc);
 
-    if (!UnwindStackFrame(&rd, &codeInfo, UpdateAllRegs, &codeManState, NULL))
+    if (!codeInfo.IsValid() || !UnwindStackFrame(&rd, &codeInfo, UpdateAllRegs, &codeManState, NULL))
     {
         return FALSE;
     }