This is a note to let you know that I've just added the patch titled
arm64: compat: fix compat types affecting struct
to the 3.14-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-compat-fix-compat-types-affecting-struct.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 971a5b6fe634bb7b617d8c5f25b6a3ddbc600194 Mon Sep 17 00:00:00 2001
From: Victor Kamensky <victor.kamensky@xxxxxxxxxx>
Date: Tue, 14 Oct 2014 06:55:05 +0100
Subject: arm64: compat: fix compat types affecting struct
compat_elf_prpsinfo
From: Victor Kamensky <victor.kamensky@xxxxxxxxxx>
commit 971a5b6fe634bb7b617d8c5f25b6a3ddbc600194 upstream.
The compat_elf_prpsinfo structure does not match the arch/arm struct
elf_pspsinfo definition. As result NT_PRPSINFO note in core file
created by arm64 kernel for aarch32 (compat) process has wrong size.
So gdb cannot display command that caused process crash.
Fix is to change size of __compat_uid_t, __compat_gid_t so it would
match size of similar fields in arch/arm case.
Signed-off-by: Victor Kamensky <victor.kamensky@xxxxxxxxxx>
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/compat.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/arch/arm64/include/asm/compat.h
+++ b/arch/arm64/include/asm/compat.h
@@ -37,8 +37,8 @@ typedef s32 compat_ssize_t;
typedef s32 compat_time_t;
typedef s32 compat_clock_t;
typedef s32 compat_pid_t;
-typedef u32 __compat_uid_t;
-typedef u32 __compat_gid_t;
+typedef u16 __compat_uid_t;
+typedef u16 __compat_gid_t;
typedef u16 __compat_uid16_t;
typedef u16 __compat_gid16_t;
typedef u32 __compat_uid32_t;
Patches currently in stable-queue which might be from victor.kamensky@xxxxxxxxxx are
queue-3.14/arm64-compat-fix-compat-types-affecting-struct.patch
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