---

yaml --- r: 112786 b: refs/heads/master c: ed40595 h: refs/heads/master v: v3
git-mirror · Aug 14, 2008 · 0e13283 · 0e13283
1 parent abed9bc
commit 0e13283
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ee2b92a8201a40021ecd1aee6f0625dc03bacc54
+refs/heads/master: ed405958057ca6a8c4c9178a7a3b1167fabb45f5
diff --git a/trunk/arch/x86/kernel/xsave.c b/trunk/arch/x86/kernel/xsave.c
@@ -92,6 +92,12 @@ int save_i387_xstate(void __user *buf)
 		return 0;
 	clear_used_math(); /* trigger finit */
 	if (task_thread_info(tsk)->status & TS_USEDFPU) {
+		/*
+	 	 * Start with clearing the user buffer. This will present a
+	 	 * clean context for the bytes not touched by the fxsave/xsave.
+		 */
+		__clear_user(buf, sig_xstate_size);
+
 		if (task_thread_info(tsk)->status & TS_XSAVE)
 			err = xsave_user(buf);
 		else