The patch titled
Subject: sysctl: move maxolduid as a sysctl specific const
has been removed from the -mm tree. Its filename was
sysctl-move-maxolduid-as-a-sysctl-specific-const.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Luis Chamberlain <mcgrof@xxxxxxxxxx>
Subject: sysctl: move maxolduid as a sysctl specific const
The maxolduid value is only shared for sysctl purposes for use on a max
range. Just stuff this into our shared const array.
[akpm@xxxxxxxxxxxxxxxxxxxx: fix sysctl_vals[], per Mickaël]
Link: https://lkml.kernel.org/r/20211129205548.605569-5-mcgrof@xxxxxxxxxx
Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
Signed-off-by: Mickaël Salaün <mic@xxxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Cc: Antti Palosaari <crope@xxxxxx>
Cc: Eric Biederman <ebiederm@xxxxxxxxxxxx>
Cc: Iurii Zaikin <yzaikin@xxxxxxxxxx>
Cc: "J. Bruce Fields" <bfields@xxxxxxxxxxxx>
Cc: Jeff Layton <jlayton@xxxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Lukas Middendorf <kernel@xxxxxxxxxxx>
Cc: Stephen Kitt <steve@xxxxxxx>
Cc: Xiaoming Ni <nixiaoming@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/proc_sysctl.c | 2 +-
include/linux/sysctl.h | 3 +++
kernel/sysctl.c | 12 ++++--------
3 files changed, 8 insertions(+), 9 deletions(-)
--- a/fs/proc/proc_sysctl.c~sysctl-move-maxolduid-as-a-sysctl-specific-const
+++ a/fs/proc/proc_sysctl.c
@@ -26,7 +26,7 @@ static const struct file_operations proc
static const struct inode_operations proc_sys_dir_operations;
/* shared constants to be used in various sysctls */
-const int sysctl_vals[] = { -1, 0, 1, 2, 4, 100, 200, 1000, 3000, INT_MAX };
+const int sysctl_vals[] = { -1, 0, 1, 2, 4, 100, 200, 1000, 3000, INT_MAX, 65535 };
EXPORT_SYMBOL(sysctl_vals);
const unsigned long sysctl_long_vals[] = { 0, 1, LONG_MAX };
--- a/include/linux/sysctl.h~sysctl-move-maxolduid-as-a-sysctl-specific-const
+++ a/include/linux/sysctl.h
@@ -49,6 +49,9 @@ struct ctl_dir;
#define SYSCTL_THREE_THOUSAND ((void *)&sysctl_vals[8])
#define SYSCTL_INT_MAX ((void *)&sysctl_vals[9])
+/* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */
+#define SYSCTL_MAXOLDUID ((void *)&sysctl_vals[10])
+
extern const int sysctl_vals[];
#define SYSCTL_LONG_ZERO ((void *)&sysctl_long_vals[0])
--- a/kernel/sysctl.c~sysctl-move-maxolduid-as-a-sysctl-specific-const
+++ a/kernel/sysctl.c
@@ -110,10 +110,6 @@ static const int six_hundred_forty_kb =
/* this is needed for the proc_doulongvec_minmax of vm_dirty_bytes */
static const unsigned long dirty_bytes_min = 2 * PAGE_SIZE;
-/* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */
-static const int maxolduid = 65535;
-/* minolduid is SYSCTL_ZERO */
-
static const int ngroups_max = NGROUPS_MAX;
static const int cap_last_cap = CAP_LAST_CAP;
@@ -2127,7 +2123,7 @@ static struct ctl_table kern_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra1 = SYSCTL_ZERO,
- .extra2 = (void *)&maxolduid,
+ .extra2 = SYSCTL_MAXOLDUID,
},
{
.procname = "overflowgid",
@@ -2136,7 +2132,7 @@ static struct ctl_table kern_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra1 = SYSCTL_ZERO,
- .extra2 = (void *)&maxolduid,
+ .extra2 = SYSCTL_MAXOLDUID,
},
#ifdef CONFIG_S390
{
@@ -2908,7 +2904,7 @@ static struct ctl_table fs_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra1 = SYSCTL_ZERO,
- .extra2 = (void *)&maxolduid,
+ .extra2 = SYSCTL_MAXOLDUID,
},
{
.procname = "overflowgid",
@@ -2917,7 +2913,7 @@ static struct ctl_table fs_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra1 = SYSCTL_ZERO,
- .extra2 = (void *)&maxolduid,
+ .extra2 = SYSCTL_MAXOLDUID,
},
#ifdef CONFIG_FILE_LOCKING
{
_
Patches currently in -mm which might be from mcgrof@xxxxxxxxxx are
