From 772accd3c613bf61eba09100facd7e51f1f31276 Mon Sep 17 00:00:00 2001
From: 303248153 <303248153@qq.com>
Date: Wed, 13 Nov 2019 05:57:10 +0900
Subject: [PATCH] Fix out of range access in GetRecycleMemoryInfo
 (dotnet/coreclr#26873) (dotnet/coreclr#26912)

Commit migrated from https://github.com/dotnet/coreclr/commit/2c2bbb50280edcc03fbf946d89ebc01dfff62d76
---
 src/coreclr/src/vm/win32threadpool.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/coreclr/src/vm/win32threadpool.h b/src/coreclr/src/vm/win32threadpool.h
index 1288588..d112735 100644
--- a/src/coreclr/src/vm/win32threadpool.h
+++ b/src/coreclr/src/vm/win32threadpool.h
@@ -749,7 +749,9 @@ public:
 #else // !FEATURE_PAL
             if (PAL_HasGetCurrentProcessorNumber())
             {
-                processorNumber = GetCurrentProcessorNumber();
+                // On linux, GetCurrentProcessorNumber which uses sched_getcpu() can return a value greater than the number
+                // of processors reported by sysconf(_SC_NPROCESSORS_ONLN) when using OpenVZ kernel.
+                processorNumber = GetCurrentProcessorNumber()%NumberOfProcessors;
             }
 #endif // !FEATURE_PAL
             return pRecycledListPerProcessor[processorNumber][memType];
-- 
2.7.4