#include <linux/proc_fs.h>
#include <linux/security.h>
#include <linux/ctype.h>
-#include <linux/kmemcheck.h>
#include <linux/kmemleak.h>
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/kexec.h>
#include <linux/bpf.h>
#include <linux/mount.h>
+#include <linux/pipe_fs_i.h>
#include <linux/uaccess.h>
#include <asm/processor.h>
.extra1 = &zero,
.extra2 = &one_thousand,
},
-#endif
-#ifdef CONFIG_KMEMCHECK
- {
- .procname = "kmemcheck",
- .data = &kmemcheck_enabled,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
#endif
{
.procname = "panic_on_warn",
.mode = 0644,
.proc_handler = &hugetlb_mempolicy_sysctl_handler,
},
+ {
+ .procname = "numa_stat",
+ .data = &sysctl_vm_numa_stat,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = sysctl_vm_numa_stat_handler,
+ .extra1 = &zero,
+ .extra2 = &one,
+ },
#endif
{
.procname = "hugetlb_shm_group",
{
.procname = "pipe-max-size",
.data = &pipe_max_size,
- .maxlen = sizeof(int),
+ .maxlen = sizeof(pipe_max_size),
.mode = 0644,
.proc_handler = &pipe_proc_fn,
.extra1 = &pipe_min_size,
if (write) {
unsigned int val = *lvalp;
+ if (*lvalp > UINT_MAX)
+ return -EINVAL;
+
if ((param->min && *param->min > val) ||
(param->max && *param->max < val))
return -ERANGE;
- if (*lvalp > UINT_MAX)
- return -EINVAL;
*valp = val;
} else {
unsigned int val = *valp;
do_proc_douintvec_minmax_conv, ¶m);
}
+struct do_proc_dopipe_max_size_conv_param {
+ unsigned int *min;
+};
+
+static int do_proc_dopipe_max_size_conv(unsigned long *lvalp,
+ unsigned int *valp,
+ int write, void *data)
+{
+ struct do_proc_dopipe_max_size_conv_param *param = data;
+
+ if (write) {
+ unsigned int val;
+
+ if (*lvalp > UINT_MAX)
+ return -EINVAL;
+
+ val = round_pipe_size(*lvalp);
+ if (val == 0)
+ return -EINVAL;
+
+ if (param->min && *param->min > val)
+ return -ERANGE;
+
+ *valp = val;
+ } else {
+ unsigned int val = *valp;
+ *lvalp = (unsigned long) val;
+ }
+
+ return 0;
+}
+
+int proc_dopipe_max_size(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+ struct do_proc_dopipe_max_size_conv_param param = {
+ .min = (unsigned int *) table->extra1,
+ };
+ return do_proc_douintvec(table, write, buffer, lenp, ppos,
+ do_proc_dopipe_max_size_conv, ¶m);
+}
+
static void validate_coredump_safety(void)
{
#ifdef CONFIG_COREDUMP
else
bitmap_copy(bitmap, tmp_bitmap, bitmap_len);
}
- kfree(tmp_bitmap);
*lenp -= left;
*ppos += *lenp;
- return 0;
- } else {
- kfree(tmp_bitmap);
- return err;
}
+
+ kfree(tmp_bitmap);
+ return err;
}
#else /* CONFIG_PROC_SYSCTL */
return -ENOSYS;
}
+int proc_dopipe_max_size(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+ return -ENOSYS;
+}
+
int proc_dointvec_jiffies(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
EXPORT_SYMBOL(proc_dointvec_jiffies);
EXPORT_SYMBOL(proc_dointvec_minmax);
EXPORT_SYMBOL_GPL(proc_douintvec_minmax);
+EXPORT_SYMBOL_GPL(proc_dopipe_max_size);
EXPORT_SYMBOL(proc_dointvec_userhz_jiffies);
EXPORT_SYMBOL(proc_dointvec_ms_jiffies);
EXPORT_SYMBOL(proc_dostring);