From 1e155f76e723dcd0d249817f8db36814079def65 Mon Sep 17 00:00:00 2001
From: "Dmitry V. Levin" <ldv@altlinux.org>
Date: Fri, 25 Dec 2015 20:56:06 +0000
Subject: [PATCH] Print personality value 0xffffffff properly

Value 0xffffffff of personality syscall first argument has a special
meaning, it is not a set of personality flags.

* personality.c (SYS_FUNC(personality)): If personality equals
to 0xffffffff, print it verbatim.
* tests/personality.c (main): Test it.
---
 personality.c       | 6 +++++-
 tests/personality.c | 7 +++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/personality.c b/personality.c
index 2030374e..4df4cf33 100644
--- a/personality.c
+++ b/personality.c
@@ -7,7 +7,11 @@
 SYS_FUNC(personality)
 {
 	if (entering(tcp)) {
-		printflags(personality_options, tcp->u_arg[0], "PER_???");
+		const unsigned int pers = tcp->u_arg[0];
+		if (0xffffffff == pers)
+			tprints("0xffffffff");
+		else
+			printflags(personality_options, pers, "PER_???");
 		return 0;
 	}
 
diff --git a/tests/personality.c b/tests/personality.c
index 82200fa1..83638856 100644
--- a/tests/personality.c
+++ b/tests/personality.c
@@ -8,9 +8,16 @@ int main(void)
 	const unsigned int saved_pers = personality(0);
 
 	printf("personality\\(PER_LINUX\\) = %#x \\([^)]*\\)\n", saved_pers);
+
 	personality(test_pers);
 	puts("personality\\(SHORT_INODE\\|WHOLE_SECONDS\\|STICKY_TIMEOUTS\\)"
 	     " = 0 \\(PER_LINUX\\)");
+
+	personality(0xffffffff);
+	printf("personality\\(0xffffffff\\) = %#x"
+	       " \\(SHORT_INODE\\|WHOLE_SECONDS\\|STICKY_TIMEOUTS\\)\n",
+	       test_pers);
+
 	personality(saved_pers);
 	printf("personality\\([^)]*\\) = %#x"
 	       " \\(SHORT_INODE\\|WHOLE_SECONDS\\|STICKY_TIMEOUTS\\)\n",
-- 
2.40.0