1 files changed, 7 insertions, 0 deletions

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 3db5f17228b7..dd654e53ba3d 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1878,6 +1878,13 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
         } else if (token == Opt_commit) {
                 if (arg == 0)
                         arg = JBD2_DEFAULT_MAX_COMMIT_AGE;
+                else if (arg > INT_MAX / HZ) {
+                        ext4_msg(sb, KERN_ERR,
+                                 "Invalid commit interval %d, "
+                                 "must be smaller than %d",
+                                 arg, INT_MAX / HZ);
+                        return -1;
+                }
                 sbi->s_commit_interval = HZ * arg;
         } else if (token == Opt_debug_want_extra_isize) {
                 sbi->s_want_extra_isize = arg;