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ruby-changes:53737

From: samuel <ko1@a...>
Date: Sat, 24 Nov 2018 20:35:38 +0900 (JST)
Subject: [ruby-changes:53737] samuel:r65953 (trunk): Ensure stack is correctly protected

samuel	2018-11-24 20:35:34 +0900 (Sat, 24 Nov 2018)

  New Revision: 65953

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=65953

  Log:
    Ensure stack is correctly protected
    
    See https://bugs.ruby-lang.org/issues/15335 for more details.

  Modified files:
    trunk/coroutine/amd64/Context.S
Index: coroutine/amd64/Context.S
===================================================================
--- coroutine/amd64/Context.S	(revision 65952)
+++ coroutine/amd64/Context.S	(revision 65953)
@@ -40,3 +40,7 @@ coroutine_transfer: https://github.com/ruby/ruby/blob/trunk/coroutine/amd64/Context.S#L40
 
 	# We pop the return address and jump to it
 	ret
+
+#if defined(__linux__) && defined(__ELF__)
+.section .note.GNU-stack,"",%progbits
+#endif

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