commit 9e463084cdb22e0b56b2dfbc50461020409a5fd3 upstream.

Fixes: bfe0a5f4 ("ext4: add more mount time checks of the superblock")
Reported-by: NVasily Averin <vvs@virtuozzo.com>
Signed-off-by: NTheodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 4.18
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>