diff mbox

[2/4] dmi: dmicheck: check reserved bits of offset 0x5 in type 13

Message ID 1494554782-20436-2-git-send-email-alex.hung@canonical.com
State Accepted
Headers show

Commit Message

Alex Hung May 12, 2017, 2:06 a.m. UTC
Bits[1:7] of Flags (offset 0x5) should be reserved.

Signed-off-by: Alex Hung <alex.hung@canonical.com>
---
 src/dmi/dmicheck/dmicheck.c | 3 +++
 1 file changed, 3 insertions(+)

Comments

Colin Ian King May 12, 2017, 12:56 p.m. UTC | #1
On 12/05/17 03:06, Alex Hung wrote:
> Bits[1:7] of Flags (offset 0x5) should be reserved.
> 
> Signed-off-by: Alex Hung <alex.hung@canonical.com>
> ---
>  src/dmi/dmicheck/dmicheck.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/src/dmi/dmicheck/dmicheck.c b/src/dmi/dmicheck/dmicheck.c
> index 5a09ea4..3234153 100644
> --- a/src/dmi/dmicheck/dmicheck.c
> +++ b/src/dmi/dmicheck/dmicheck.c
> @@ -1364,6 +1364,9 @@ static void dmicheck_entry(fwts_framework *fw,
>  
>  		case 13: /* 7.14 */
>  			table = "BIOS Language Information (Type 13)";
> +			if (hdr->length < 0x6)
> +				break;
> +			dmi_reserved_bits_check(fw, table, addr, "Flags", hdr, sizeof(uint8_t), 0x5, 1, 7);
>  			if (hdr->length < 0x16)
>  				break;
>  			for (i = 1; i <= hdr->data[4]; i++) {
> 
Acked-by: Colin Ian King <colin.king@canonical.com>
Ivan Hu May 23, 2017, 7:47 a.m. UTC | #2
On 05/12/2017 10:06 AM, Alex Hung wrote:
> Bits[1:7] of Flags (offset 0x5) should be reserved.
>
> Signed-off-by: Alex Hung <alex.hung@canonical.com>
> ---
>   src/dmi/dmicheck/dmicheck.c | 3 +++
>   1 file changed, 3 insertions(+)
>
> diff --git a/src/dmi/dmicheck/dmicheck.c b/src/dmi/dmicheck/dmicheck.c
> index 5a09ea4..3234153 100644
> --- a/src/dmi/dmicheck/dmicheck.c
> +++ b/src/dmi/dmicheck/dmicheck.c
> @@ -1364,6 +1364,9 @@ static void dmicheck_entry(fwts_framework *fw,
>   
>   		case 13: /* 7.14 */
>   			table = "BIOS Language Information (Type 13)";
> +			if (hdr->length < 0x6)
> +				break;
> +			dmi_reserved_bits_check(fw, table, addr, "Flags", hdr, sizeof(uint8_t), 0x5, 1, 7);
>   			if (hdr->length < 0x16)
>   				break;
>   			for (i = 1; i <= hdr->data[4]; i++) {

Acked-by: Ivan Hu <ivan.hu@canonical.com>
diff mbox

Patch

diff --git a/src/dmi/dmicheck/dmicheck.c b/src/dmi/dmicheck/dmicheck.c
index 5a09ea4..3234153 100644
--- a/src/dmi/dmicheck/dmicheck.c
+++ b/src/dmi/dmicheck/dmicheck.c
@@ -1364,6 +1364,9 @@  static void dmicheck_entry(fwts_framework *fw,
 
 		case 13: /* 7.14 */
 			table = "BIOS Language Information (Type 13)";
+			if (hdr->length < 0x6)
+				break;
+			dmi_reserved_bits_check(fw, table, addr, "Flags", hdr, sizeof(uint8_t), 0x5, 1, 7);
 			if (hdr->length < 0x16)
 				break;
 			for (i = 1; i <= hdr->data[4]; i++) {