This is a note to let you know that I've just added the patch titled
arm64: uid16: fix __kernel_old_{gid,uid}_t definitions
to the 3.15-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:
arm64-uid16-fix-__kernel_old_-gid-uid-_t-definitions.patch
and it can be found in the queue-3.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 34c65c43f1518bf85f93526ad373adc6a683b4c5 Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@xxxxxxx>
Date: Mon, 2 Jun 2014 11:47:29 +0100
Subject: arm64: uid16: fix __kernel_old_{gid,uid}_t definitions
From: Will Deacon <will.deacon@xxxxxxx>
commit 34c65c43f1518bf85f93526ad373adc6a683b4c5 upstream.
Whilst native arm64 applications don't have the 16-bit UID/GID syscalls
wired up, compat tasks can still access them. The 16-bit wrappers for
these syscalls use __kernel_old_uid_t and __kernel_old_gid_t, which must
be 16-bit data types to maintain compatibility with the 16-bit UIDs used
by compat applications.
This patch defines 16-bit __kernel_old_{gid,uid}_t types for arm64
instead of using the 32-bit types provided by asm-generic.
Signed-off-by: Will Deacon <will.deacon@xxxxxxx>
Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/arm64/include/asm/Kbuild | 1 -
arch/arm64/include/uapi/asm/posix_types.h | 10 ++++++++++
2 files changed, 10 insertions(+), 1 deletion(-)
--- a/arch/arm64/include/asm/Kbuild
+++ b/arch/arm64/include/asm/Kbuild
@@ -30,7 +30,6 @@ generic-y += msgbuf.h
generic-y += mutex.h
generic-y += pci.h
generic-y += poll.h
-generic-y += posix_types.h
generic-y += preempt.h
generic-y += resource.h
generic-y += rwsem.h
--- /dev/null
+++ b/arch/arm64/include/uapi/asm/posix_types.h
@@ -0,0 +1,10 @@
+#ifndef __ASM_POSIX_TYPES_H
+#define __ASM_POSIX_TYPES_H
+
+typedef unsigned short __kernel_old_uid_t;
+typedef unsigned short __kernel_old_gid_t;
+#define __kernel_old_uid_t __kernel_old_uid_t
+
+#include <asm-generic/posix_types.h>
+
+#endif /* __ASM_POSIX_TYPES_H */
Patches currently in stable-queue which might be from will.deacon@xxxxxxx are
queue-3.15/arm64-ptrace-change-fs-when-passing-kernel-pointer-to-regset-code.patch
queue-3.15/arm64-uid16-fix-__kernel_old_-gid-uid-_t-definitions.patch
queue-3.15/arm-8037-1-mm-support-big-endian-page-tables.patch
queue-3.15/arm64-mm-remove-broken-operator-from-pmd_mknotpresent.patch
queue-3.15/arm64-ptrace-fix-empty-registers-set-in-prstatus-of-aarch32-process-core.patch
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