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From: Jiri Slaby <jslaby@suse.cz>
To: stable@vger.kernel.org
Cc: Al Viro <viro@zeniv.linux.org.uk>, Jiri Slaby <jslaby@suse.cz>
Subject: [patch added to 3.12-stable] mn10300: copy_from_user() should zero on access_ok() failure...
Date: Thu, 29 Sep 2016 11:06:49 +0200	[thread overview]
Message-ID: <20160929090654.27405-38-jslaby@suse.cz> (raw)
In-Reply-To: <20160929090654.27405-1-jslaby@suse.cz>

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

This patch has been added to the 3.12 stable tree. If you have any
objections, please let us know.

===============

commit ae7cc577ec2a4a6151c9e928fd1f595d953ecef1 upstream.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
 arch/mn10300/lib/usercopy.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/mn10300/lib/usercopy.c b/arch/mn10300/lib/usercopy.c
index 7826e6c364e7..ce8899e5e171 100644
--- a/arch/mn10300/lib/usercopy.c
+++ b/arch/mn10300/lib/usercopy.c
@@ -9,7 +9,7 @@
  * as published by the Free Software Foundation; either version
  * 2 of the Licence, or (at your option) any later version.
  */
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 
 unsigned long
 __generic_copy_to_user(void *to, const void *from, unsigned long n)
@@ -24,6 +24,8 @@ __generic_copy_from_user(void *to, const void *from, unsigned long n)
 {
 	if (access_ok(VERIFY_READ, from, n))
 		__copy_user_zeroing(to, from, n);
+	else
+		memset(to, 0, n);
 	return n;
 }
 
-- 
2.10.0


  parent reply	other threads:[~2016-09-29  9:07 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-29  9:06 [patch added to 3.12-stable] clocksource/drivers/sun4i: Clear interrupts after stopping timer in probe function Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] powerpc/mm: Don't alias user region to other regions below PAGE_OFFSET Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] NFSv4.x: Fix a refcount leak in nfs_callback_up_net Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] dm flakey: fix reads to be issued if drop_writes configured Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] x86/paravirt: Do not trace _paravirt_ident_*() functions Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] kvm-arm: Unmap shadow pagetables properly Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] iio: accel: kxsd9: Fix raw read return Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] iio: accel: kxsd9: Fix scaling bug Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] USB: serial: simple: add support for another Infineon flashloader Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] usb: renesas_usbhs: fix clearing the {BRDY,BEMP}STS condition Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] USB: change bInterval default to 10 ms Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] ARM: OMAP3: hwmod data: Add sysc information for DSI Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] arm64: spinlocks: implement smp_mb__before_spinlock() as smp_mb() Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] crypto: cryptd - initialize child shash_desc on import Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] microblaze: fix __get_user() Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] avr32: fix copy_from_user() Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] microblaze: " Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] fix minor infoleak in get_user_ex() Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] mn10300: failing __get_user() and get_user() should zero Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] m32r: fix __get_user() Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] sh64: failing __get_user() should zero Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] score: fix __get_user/get_user Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] s390: get_user() should zero on failure Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] ARC: uaccess: get_user to zero out dest in cause of fault Jiri Slaby
2016-09-29  9:06   ` Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] asm-generic: make get_user() clear the destination on errors Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] frv: fix clear_user() Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] cris: buggered copy_from_user/copy_to_user/clear_user Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] blackfin: fix copy_from_user() Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] score: fix copy_from_user() and friends Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] sh: fix copy_from_user() Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] hexagon: fix strncpy_from_user() error return Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] mips: copy_from_user() must zero the destination on access_ok() failure Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] asm-generic: make copy_from_user() zero the destination properly Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] alpha: fix copy_from_user() Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] metag: copy_from_user() should zero the destination on access_ok() failure Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] parisc: fix copy_from_user() Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] openrisc: " Jiri Slaby
2016-09-29  9:06 ` Jiri Slaby [this message]
2016-09-29  9:06 ` [patch added to 3.12-stable] sparc32: " Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] ppc32: " Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] ia64: copy_from_user() should zero the destination on access_ok() failure Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] avr32: fix 'undefined reference to `___copy_from_user' Jiri Slaby
2016-09-29  9:06 ` [patch added to 3.12-stable] openrisc: fix the fix of copy_from_user() Jiri Slaby

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