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From: Al Viro <viro@ZenIV.linux.org.uk>
To: linux-kernel@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>
Subject: [PATCH 15/16] time()/stime(): move compat to native
Date: Wed,  7 Jun 2017 09:42:40 +0100	[thread overview]
Message-ID: <20170607084241.28657-15-viro@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20170607084241.28657-1-viro@ZenIV.linux.org.uk>

From: Al Viro <viro@zeniv.linux.org.uk>

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 kernel/compat.c    | 40 ----------------------------------------
 kernel/time/time.c | 42 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+), 40 deletions(-)

diff --git a/kernel/compat.c b/kernel/compat.c
index 92ba0afafddc..a56aa5777987 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -737,46 +737,6 @@ COMPAT_SYSCALL_DEFINE4(rt_sigtimedwait, compat_sigset_t __user *, uthese,
 	return ret;
 }
 
-#ifdef __ARCH_WANT_COMPAT_SYS_TIME
-
-/* compat_time_t is a 32 bit "long" and needs to get converted. */
-
-COMPAT_SYSCALL_DEFINE1(time, compat_time_t __user *, tloc)
-{
-	compat_time_t i;
-	struct timeval tv;
-
-	do_gettimeofday(&tv);
-	i = tv.tv_sec;
-
-	if (tloc) {
-		if (put_user(i,tloc))
-			return -EFAULT;
-	}
-	force_successful_syscall_return();
-	return i;
-}
-
-COMPAT_SYSCALL_DEFINE1(stime, compat_time_t __user *, tptr)
-{
-	struct timespec tv;
-	int err;
-
-	if (get_user(tv.tv_sec, tptr))
-		return -EFAULT;
-
-	tv.tv_nsec = 0;
-
-	err = security_settime(&tv, NULL);
-	if (err)
-		return err;
-
-	do_settimeofday(&tv);
-	return 0;
-}
-
-#endif /* __ARCH_WANT_COMPAT_SYS_TIME */
-
 #ifdef CONFIG_NUMA
 COMPAT_SYSCALL_DEFINE6(move_pages, pid_t, pid, compat_ulong_t, nr_pages,
 		       compat_uptr_t __user *, pages32,
diff --git a/kernel/time/time.c b/kernel/time/time.c
index 400662f16c5a..1d5ebf6a8d9e 100644
--- a/kernel/time/time.c
+++ b/kernel/time/time.c
@@ -100,6 +100,48 @@ SYSCALL_DEFINE1(stime, time_t __user *, tptr)
 
 #endif /* __ARCH_WANT_SYS_TIME */
 
+#ifdef CONFIG_COMPAT
+#ifdef __ARCH_WANT_COMPAT_SYS_TIME
+
+/* compat_time_t is a 32 bit "long" and needs to get converted. */
+
+COMPAT_SYSCALL_DEFINE1(time, compat_time_t __user *, tloc)
+{
+	compat_time_t i;
+	struct timeval tv;
+
+	do_gettimeofday(&tv);
+	i = tv.tv_sec;
+
+	if (tloc) {
+		if (put_user(i,tloc))
+			return -EFAULT;
+	}
+	force_successful_syscall_return();
+	return i;
+}
+
+COMPAT_SYSCALL_DEFINE1(stime, compat_time_t __user *, tptr)
+{
+	struct timespec tv;
+	int err;
+
+	if (get_user(tv.tv_sec, tptr))
+		return -EFAULT;
+
+	tv.tv_nsec = 0;
+
+	err = security_settime(&tv, NULL);
+	if (err)
+		return err;
+
+	do_settimeofday(&tv);
+	return 0;
+}
+
+#endif /* __ARCH_WANT_COMPAT_SYS_TIME */
+#endif
+
 SYSCALL_DEFINE2(gettimeofday, struct timeval __user *, tv,
 		struct timezone __user *, tz)
 {
-- 
2.11.0

  parent reply	other threads:[~2017-06-07  8:43 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-07  8:41 [PATCHSET] sanitizing compat nanosleep and other timer-related syscalls Al Viro
2017-06-07  8:42 ` [PATCH 01/16] move copyout of timespec into do_cpu_nanosleep() Al Viro
2017-06-07  8:42   ` [PATCH 02/16] move copyout and freeze handling into alarmtimer_do_nsleep() Al Viro
2017-06-13 22:04     ` [tip:timers/core] alarmtimer: Move " tip-bot for Al Viro
2017-06-07  8:42   ` [PATCH 03/16] hrtimer_nanosleep(): pass rmtp in restart_block Al Viro
2017-06-13 22:05     ` [tip:timers/core] hrtimer_nanosleep(): Pass " tip-bot for Al Viro
2017-06-07  8:42   ` [PATCH 04/16] move copyout to do_nanosleel() Al Viro
2017-06-13 22:05     ` [tip:timers/core] hrtimer: Move copyout of remaining time to do_nanosleep() tip-bot for Al Viro
2017-06-07  8:42   ` [PATCH 05/16] clock_nanosleep(): stash rmtp into restart_block Al Viro
2017-06-13 22:06     ` [tip:timers/core] posix-timers: Store rmtp into restart_block in sys_clock_nanosleep() tip-bot for Al Viro
2017-06-07  8:42   ` [PATCH 06/16] nanosleep/clock_nanosleep: teach to do compat copyouts Al Viro
2017-06-07 10:07     ` Peter Zijlstra
2017-06-13 22:06     ` [tip:timers/core] time/posix-timers: Move the compat copyouts to the nanosleep implementations tip-bot for Al Viro
2017-06-07  8:42   ` [PATCH 07/16] {clock_,}nanosleep(2): merge timespec copyout logics into a new helper Al Viro
2017-06-13 22:07     ` [tip:timers/core] hrtimers/posix-timers: Merge nanosleep " tip-bot for Al Viro
2017-06-07  8:42   ` [PATCH 08/16] kill ->nsleep_restart() Al Viro
2017-06-13 22:08     ` [tip:timers/core] posix-timers: Kill ->nsleep_restart() tip-bot for Al Viro
2017-06-07  8:42   ` [PATCH 09/16] move adjtimex-related compat syscalls to native counterparts Al Viro
2017-06-13 22:08     ` [tip:timers/core] ntp: Move adjtimex related " tip-bot for Al Viro
2017-06-07  8:42   ` [PATCH 10/16] take compat timer_settime(2) to native one Al Viro
2017-06-13 22:09     ` [tip:timers/core] posix-timers: Take " tip-bot for Al Viro
2017-06-07  8:42   ` [PATCH 11/16] take compat timer_gettime(2) " Al Viro
2017-06-13 22:09     ` [tip:timers/core] posix-timers: Take " tip-bot for Al Viro
2017-06-07  8:42   ` [PATCH 12/16] move compat itimer syscalls to native ones Al Viro
2017-06-13 22:10     ` [tip:timers/core] itimers: Move " tip-bot for Al Viro
2017-06-07  8:42   ` [PATCH 13/16] clock_gettime/clock_settime/clock_getres: move to native syscalls Al Viro
2017-06-13 22:10     ` [tip:timers/core] posix-timers: Move compat versions of clock_gettime/settime/getres tip-bot for Al Viro
2017-06-07  8:42   ` [PATCH 14/16] timer_create(): move compat to native, get rid of set_fs() Al Viro
2017-06-13 22:11     ` [tip:timers/core] posix-timers: Move compat_timer_create() " tip-bot for Al Viro
2017-06-07  8:42   ` Al Viro [this message]
2017-06-13 22:11     ` [tip:timers/core] time: Move compat_time()/stime() to native tip-bot for Al Viro
2017-06-07  8:42   ` [PATCH 16/16] gettimeofday()/settimeofday(): move compat " Al Viro
2017-06-13 22:12     ` [tip:timers/core] time: Move compat_gettimeofday()/settimeofday() " tip-bot for Al Viro
2017-06-12 23:08   ` [PATCH 01/16] move copyout of timespec into do_cpu_nanosleep() Thomas Gleixner
2017-06-13  7:46     ` Thomas Gleixner
2017-06-13 22:04   ` [tip:timers/core] posix-cpu-timers: Move " tip-bot for Al Viro

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