From 5597f0ccf2e5f57b59dcc79a398705a5d8ed2bf6 Mon Sep 17 00:00:00 2001
From: Robert Drehmel <robert@FreeBSD.org>
Date: Wed, 27 Feb 2002 15:06:33 +0000
Subject: [PATCH] Use the getcredhostname function to fill the hostname into
 the linux_newuname_args structure.  This should fix the case of jailed linux
 processes not using the jail's hostname.

PR:		35336
Reviewed by:	phk
---
 sys/compat/linux/linux_misc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c
index 5be79bd4a79..562b37f4d30 100644
--- a/sys/compat/linux/linux_misc.c
+++ b/sys/compat/linux/linux_misc.c
@@ -34,6 +34,7 @@
 #include <sys/systm.h>
 #include <sys/fcntl.h>
 #include <sys/imgact_aout.h>
+#include <sys/jail.h>
 #include <sys/kernel.h>
 #include <sys/lock.h>
 #include <sys/mman.h>
@@ -701,7 +702,8 @@ linux_newuname(struct thread *td, struct linux_newuname_args *args)
 
 	bzero(&utsname, sizeof(utsname));
 	strncpy(utsname.sysname, osname, LINUX_MAX_UTSNAME-1);
-	strncpy(utsname.nodename, hostname, LINUX_MAX_UTSNAME-1);
+	strncpy(utsname.nodename, getcredhostname(td->td_ucred),
+	    LINUX_MAX_UTSNAME-1);
 	strncpy(utsname.release, osrelease, LINUX_MAX_UTSNAME-1);
 	strncpy(utsname.version, version, LINUX_MAX_UTSNAME-1);
 	strncpy(utsname.machine, machine, LINUX_MAX_UTSNAME-1);