Unverified Commit 7ac36644 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!1196 fs/stat: make tmp variable 16-bytes aligned in copy stat 

Merge Pull Request from: @ci-robot 
 
PR sync from: Yang Yingliang <yangyingliang@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/ORBGDUHLI4PUVZY5HOH6SBYHKAHHCELI/ 
 
 
Link:https://gitee.com/openeuler/kernel/pulls/1196

 

Reviewed-by: default avatarzhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 1fdb2b87 2b34be30

fs/stat.c

+5 −5
Original line number Diff line number Diff line
@@ -225,7 +225,7 @@ int vfs_fstatat(int dfd, const char __user *filename, 
static int cp_old_stat(struct kstat *stat, struct __old_kernel_stat __user * statbuf)

{

	static int warncount = 5;

	struct __old_kernel_stat tmp;

	struct __old_kernel_stat __aligned(16) tmp;



	if (warncount > 0) {

		warncount--;
@@ -312,7 +312,7 @@ SYSCALL_DEFINE2(fstat, unsigned int, fd, struct __old_kernel_stat __user *, stat 


static int cp_new_stat(struct kstat *stat, struct stat __user *statbuf)

{

	struct stat tmp;

	struct stat __aligned(16) tmp;



	if (sizeof(tmp.st_dev) < 4 && !old_valid_dev(stat->dev))

		return -EOVERFLOW;
@@ -457,7 +457,7 @@ SYSCALL_DEFINE3(readlink, const char __user *, path, char __user *, buf, 


static long cp_new_stat64(struct kstat *stat, struct stat64 __user *statbuf)

{

	struct stat64 tmp;

	struct stat64 __aligned(16) tmp;



	INIT_STRUCT_STAT64_PADDING(tmp);

#ifdef CONFIG_MIPS
@@ -541,7 +541,7 @@ SYSCALL_DEFINE4(fstatat64, int, dfd, const char __user *, filename, 
static noinline_for_stack int

cp_statx(const struct kstat *stat, struct statx __user *buffer)

{

	struct statx tmp;

	struct statx __aligned(16) tmp;



	memset(&tmp, 0, sizeof(tmp));
@@ -613,7 +613,7 @@ SYSCALL_DEFINE5(statx, 
#ifdef CONFIG_COMPAT

static int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf)

{

	struct compat_stat tmp;

	struct compat_stat __aligned(16) tmp;



	if (sizeof(tmp.st_dev) < 4 && !old_valid_dev(stat->dev))

		return -EOVERFLOW;