> From: Colin King [mailto:colin.k...@canonical.com]
> Sent: Wednesday, October 7, 2020 1:03 PM
> From: Colin Ian King <colin.k...@canonical.com>
>
> An incorrect sizeof is being used, sizeof(*fields) is not correct,
> it should be sizeof(**fields). This is not causing a problem since
> the size of these is the same. Fix this in the kmalloc_array and
> memcpy calls.
>
> Addresses-Coverity: ("Sizeof not portable (SIZEOF_MISMATCH)")
> Fixes: 1bd7face7439 ("ima: allocate field pointers array on demand in
> template_desc_init_fields()")
> Signed-off-by: Colin Ian King <colin.k...@canonical.com>
Thanks Colin.
Reviewed-by: Roberto Sassu <roberto.sa...@huawei.com>
Roberto
HUAWEI TECHNOLOGIES Duesseldorf GmbH, HRB 56063
Managing Director: Li Peng, Li Jian, Shi Yanli
> ---
> security/integrity/ima/ima_template.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/security/integrity/ima/ima_template.c
> b/security/integrity/ima/ima_template.c
> index 1e89e2d3851f..8884bbf03b43 100644
> --- a/security/integrity/ima/ima_template.c
> +++ b/security/integrity/ima/ima_template.c
> @@ -216,11 +216,11 @@ int template_desc_init_fields(const char
> *template_fmt,
> }
>
> if (fields && num_fields) {
> - *fields = kmalloc_array(i, sizeof(*fields), GFP_KERNEL);
> + *fields = kmalloc_array(i, sizeof(**fields), GFP_KERNEL);
> if (*fields == NULL)
> return -ENOMEM;
>
> - memcpy(*fields, found_fields, i * sizeof(*fields));
> + memcpy(*fields, found_fields, i * sizeof(**fields));
> *num_fields = i;
> }
>
> --
> 2.27.0
