diff options
Diffstat (limited to 'kernel/sys.c')
| -rw-r--r-- | kernel/sys.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/kernel/sys.c b/kernel/sys.c index adc0de0aa364..18a037cc6f61 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -181,6 +181,35 @@ int fs_overflowgid = DEFAULT_FS_OVERFLOWGID; EXPORT_SYMBOL(fs_overflowuid); EXPORT_SYMBOL(fs_overflowgid); +static const struct ctl_table overflow_sysctl_table[] = { + { + .procname = "overflowuid", + .data = &overflowuid, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_MAXOLDUID, + }, + { + .procname = "overflowgid", + .data = &overflowgid, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_MAXOLDUID, + }, +}; + +static int __init init_overflow_sysctl(void) +{ + register_sysctl_init("kernel", overflow_sysctl_table); + return 0; +} + +postcore_initcall(init_overflow_sysctl); + /* * Returns true if current's euid is same as p's uid or euid, * or has CAP_SYS_NICE to p's user_ns. |