1 files changed, 2 insertions, 0 deletions

diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index a58ce7c507ae..05c7979226e5 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -161,6 +161,8 @@ static struct ext4_new_flex_group_data *alloc_flex_gd(unsigned long flexbg_size)
         if (flex_gd == NULL)
                 goto out3;
 
+        if (flexbg_size >= UINT_MAX / sizeof(struct ext4_new_flex_group_data))
+                goto out2;
         flex_gd->count = flexbg_size;
 
         flex_gd->groups = kmalloc(sizeof(struct ext4_new_group_data) *