Fix finalized invalid handle on TryReadX509Der failure path

Reading a certificate from a byte[] which represented PEM-encoded data
always caused a SafeX509Handle (IsInvalid=true) to be dispatched to the
finalizer queue.

Commit migrated from https://github.com/dotnet/corefx/commit/944ee3ad10885127410822e6b097d6d693e5bc6d

diff --git a/src/libraries/System.Security.Cryptography.X509Certificates/src/Internal/Cryptography/Pal.Unix/CertificatePal.cs b/src/libraries/System.Security.Cryptography.X509Certificates/src/Internal/Cryptography/Pal.Unix/CertificatePal.cs
index 94793cb..7574660 100644 (file)
--- a/src/libraries/System.Security.Cryptography.X509Certificates/src/Internal/Cryptography/Pal.Unix/CertificatePal.cs
+++ b/src/libraries/System.Security.Cryptography.X509Certificates/src/Internal/Cryptography/Pal.Unix/CertificatePal.cs
@@ -128,6 +128,7 @@ namespace Internal.Cryptography.Pal
 
             if (certHandle.IsInvalid)
             {
+                certHandle.Dispose();
                 certPal = null;
                 return false;
             }