This is a note to let you know that I've just added the patch titled
posix-timers: Fix nanosleep_copyout() for CONFIG_COMPAT_32BIT_TIME
to the 4.17-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
posix-timers-fix-nanosleep_copyout-for-config_compat_32bit_time.patch
and it can be found in the queue-4.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
From foo@baz Wed Aug 22 09:16:55 CEST 2018
From: Arnd Bergmann <[email protected]>
Date: Mon, 18 Jun 2018 16:07:59 +0200
Subject: posix-timers: Fix nanosleep_copyout() for CONFIG_COMPAT_32BIT_TIME
From: Arnd Bergmann <[email protected]>
[ Upstream commit 0fe2795516b9e1c59b58b02bdf8658698117ec4e ]
Commit b5793b0d92c9 added support for building the nanosleep compat system
call on 32-bit architectures, but missed one change in nanosleep_copyout(),
which would trigger a BUG() as soon as any architecture is switched over to
use it.
Use the proper config symbol to enable the code path.
Fixes: Commit b5793b0d92c9 ("posix-timers: Make compat syscalls depend on
CONFIG_COMPAT_32BIT_TIME")
Signed-off-by: Arnd Bergmann <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Cc: [email protected]
Cc: Anna-Maria Gleixner <[email protected]>
Cc: Deepa Dinamani <[email protected]>
Cc: "Rafael J. Wysocki" <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Sasha Levin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
kernel/time/hrtimer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -1659,7 +1659,7 @@ EXPORT_SYMBOL_GPL(hrtimer_init_sleeper);
int nanosleep_copyout(struct restart_block *restart, struct timespec64 *ts)
{
switch(restart->nanosleep.type) {
-#ifdef CONFIG_COMPAT
+#ifdef CONFIG_COMPAT_32BIT_TIME
case TT_COMPAT:
if (compat_put_timespec64(ts, restart->nanosleep.compat_rmtp))
return -EFAULT;
Patches currently in stable-queue which might be from [email protected] are
queue-4.17/posix-timers-fix-nanosleep_copyout-for-config_compat_32bit_time.patch
queue-4.17/ieee802154-mcr20a-add-missing-includes.patch
queue-4.17/drm-sun4i-link-in-front-end-code-if-needed.patch
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