1 files changed, 2 insertions, 0 deletions

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 83732fef510d..bdb201230bae 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1599,6 +1599,8 @@ static int fill_files_note(struct memelfnote *note)
 
         /* *Estimated* file count and total data size needed */
         count = current->mm->map_count;
+        if (count > UINT_MAX / 64)
+                return -EINVAL;
         size = count * 64;
 
         names_ofs = (2 + 3 * count) * sizeof(data[0]);