1 files changed, 4 insertions, 0 deletions

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index d13426680d10..e82726faeeff 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -2053,6 +2053,8 @@ static int do_proc_dointvec_jiffies_conv(int *negp, unsigned long *lvalp,
                                          int write, void *data)
 {
         if (write) {
+                if (*lvalp > LONG_MAX / HZ)
+                        return 1;
                 *valp = *negp ? -(*lvalp*HZ) : (*lvalp*HZ);
         } else {
                 int val = *valp;
@@ -2074,6 +2076,8 @@ static int do_proc_dointvec_userhz_jiffies_conv(int *negp, unsigned long *lvalp,
                                                 int write, void *data)
 {
         if (write) {
+                if (USER_HZ < HZ && *lvalp > (LONG_MAX / HZ) * USER_HZ)
+                        return 1;
                 *valp = clock_t_to_jiffies(*negp ? -*lvalp : *lvalp);
         } else {
                 int val = *valp;