[v2,2/3] net/ice: refactor raw pattern parsing function
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Commit Message
Replace strlen with more secure strnlen in ice_hash_parse_raw_pattern.
Signed-off-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com>
---
drivers/net/ice/ice_hash.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
Comments
On Mon, Jul 15, 2024 at 06:04:40PM +0000, Vladimir Medvedkin wrote:
> Replace strlen with more secure strnlen in ice_hash_parse_raw_pattern.
>
> Signed-off-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com>
> ---
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
> drivers/net/ice/ice_hash.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/ice/ice_hash.c b/drivers/net/ice/ice_hash.c
> index 913f54fca4..00503d0d28 100644
> --- a/drivers/net/ice/ice_hash.c
> +++ b/drivers/net/ice/ice_hash.c
> @@ -658,9 +658,9 @@ ice_hash_parse_raw_pattern(struct ice_adapter *ad,
> raw_spec = item->spec;
> raw_mask = item->mask;
>
> - spec_len = strlen((char *)(uintptr_t)raw_spec->pattern);
> - if (strlen((char *)(uintptr_t)raw_mask->pattern) !=
> - spec_len)
> + spec_len = strnlen((char *)(uintptr_t)raw_spec->pattern, raw_spec->length);
> + if (strnlen((char *)(uintptr_t)raw_mask->pattern, raw_spec->length) !=
> + spec_len)
> return -rte_errno;
>
> pkt_len = spec_len / 2;
> --
> 2.34.1
>
@@ -658,9 +658,9 @@ ice_hash_parse_raw_pattern(struct ice_adapter *ad,
raw_spec = item->spec;
raw_mask = item->mask;
- spec_len = strlen((char *)(uintptr_t)raw_spec->pattern);
- if (strlen((char *)(uintptr_t)raw_mask->pattern) !=
- spec_len)
+ spec_len = strnlen((char *)(uintptr_t)raw_spec->pattern, raw_spec->length);
+ if (strnlen((char *)(uintptr_t)raw_mask->pattern, raw_spec->length) !=
+ spec_len)
return -rte_errno;
pkt_len = spec_len / 2;