* [PATCH v2] NetworkPkg/Ip6Dxe: Fix ASSERT logic in Ip6ProcessRouterAdvertise()
@ 2020-04-02 9:14 Maciej Rabeda
2020-04-03 7:21 ` Wu, Jiaxin
0 siblings, 1 reply; 3+ messages in thread
From: Maciej Rabeda @ 2020-04-02 9:14 UTC (permalink / raw)
To: devel; +Cc: Jiaxin Wu, Siyuan Fu, Laszlo Ersek
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2655
This patch fixes reversed logic of recently added ASSERTs which should
ensure that Ip6IsNDOptionValid() implementation properly reacts to invalid
packets.
Cc: Jiaxin Wu <jiaxin.wu@intel.com>
Cc: Siyuan Fu <siyuan.fu@intel.com>
Signed-off-by: Maciej Rabeda <maciej.rabeda@linux.intel.com>
Reviewed-by: Siyuan Fu <siyuan.fu@intel.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Fixes: 9c20342eed70ec99ec50cd73cb81804299f05403
---
NetworkPkg/Ip6Dxe/Ip6Nd.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/NetworkPkg/Ip6Dxe/Ip6Nd.c b/NetworkPkg/Ip6Dxe/Ip6Nd.c
index fd7f60b2f92c..0780a98cb325 100644
--- a/NetworkPkg/Ip6Dxe/Ip6Nd.c
+++ b/NetworkPkg/Ip6Dxe/Ip6Nd.c
@@ -2111,7 +2111,7 @@ Ip6ProcessRouterAdvertise (
// Option size validity ensured by Ip6IsNDOptionValid().
//
ASSERT (LinkLayerOption.Length != 0);
- ASSERT (Offset + (UINT32) LinkLayerOption.Length * 8 >= (UINT32) Head->PayloadLength);
+ ASSERT (Offset + (UINT32) LinkLayerOption.Length * 8 <= (UINT32) Head->PayloadLength);
ZeroMem (&LinkLayerAddress, sizeof (EFI_MAC_ADDRESS));
CopyMem (&LinkLayerAddress, LinkLayerOption.EtherAddr, 6);
@@ -2164,7 +2164,7 @@ Ip6ProcessRouterAdvertise (
// Option size validity ensured by Ip6IsNDOptionValid().
//
ASSERT (PrefixOption.Length == 4);
- ASSERT (Offset + (UINT32) PrefixOption.Length * 8 >= (UINT32) Head->PayloadLength);
+ ASSERT (Offset + (UINT32) PrefixOption.Length * 8 <= (UINT32) Head->PayloadLength);
PrefixOption.ValidLifetime = NTOHL (PrefixOption.ValidLifetime);
PrefixOption.PreferredLifetime = NTOHL (PrefixOption.PreferredLifetime);
@@ -2334,7 +2334,7 @@ Ip6ProcessRouterAdvertise (
// Option size validity ensured by Ip6IsNDOptionValid().
//
ASSERT (MTUOption.Length == 1);
- ASSERT (Offset + (UINT32) MTUOption.Length * 8 >= (UINT32) Head->PayloadLength);
+ ASSERT (Offset + (UINT32) MTUOption.Length * 8 <= (UINT32) Head->PayloadLength);
//
// Use IPv6 minimum link MTU 1280 bytes as the maximum packet size in order
--
2.24.0.windows.2
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v2] NetworkPkg/Ip6Dxe: Fix ASSERT logic in Ip6ProcessRouterAdvertise()
2020-04-02 9:14 [PATCH v2] NetworkPkg/Ip6Dxe: Fix ASSERT logic in Ip6ProcessRouterAdvertise() Maciej Rabeda
@ 2020-04-03 7:21 ` Wu, Jiaxin
2020-04-03 12:36 ` [edk2-devel] " Maciej Rabeda
0 siblings, 1 reply; 3+ messages in thread
From: Wu, Jiaxin @ 2020-04-03 7:21 UTC (permalink / raw)
To: Maciej Rabeda, devel@edk2.groups.io; +Cc: Fu, Siyuan, Laszlo Ersek
Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>
> -----Original Message-----
> From: Maciej Rabeda <maciej.rabeda@linux.intel.com>
> Sent: Thursday, April 2, 2020 5:15 PM
> To: devel@edk2.groups.io
> Cc: Wu, Jiaxin <jiaxin.wu@intel.com>; Fu, Siyuan <siyuan.fu@intel.com>;
> Laszlo Ersek <lersek@redhat.com>
> Subject: [PATCH v2] NetworkPkg/Ip6Dxe: Fix ASSERT logic in
> Ip6ProcessRouterAdvertise()
>
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2655
>
> This patch fixes reversed logic of recently added ASSERTs which should
> ensure that Ip6IsNDOptionValid() implementation properly reacts to invalid
> packets.
>
> Cc: Jiaxin Wu <jiaxin.wu@intel.com>
> Cc: Siyuan Fu <siyuan.fu@intel.com>
> Signed-off-by: Maciej Rabeda <maciej.rabeda@linux.intel.com>
> Reviewed-by: Siyuan Fu <siyuan.fu@intel.com>
> Tested-by: Laszlo Ersek <lersek@redhat.com>
> Fixes: 9c20342eed70ec99ec50cd73cb81804299f05403
> ---
> NetworkPkg/Ip6Dxe/Ip6Nd.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/NetworkPkg/Ip6Dxe/Ip6Nd.c b/NetworkPkg/Ip6Dxe/Ip6Nd.c
> index fd7f60b2f92c..0780a98cb325 100644
> --- a/NetworkPkg/Ip6Dxe/Ip6Nd.c
> +++ b/NetworkPkg/Ip6Dxe/Ip6Nd.c
> @@ -2111,7 +2111,7 @@ Ip6ProcessRouterAdvertise (
> // Option size validity ensured by Ip6IsNDOptionValid().
>
> //
>
> ASSERT (LinkLayerOption.Length != 0);
>
> - ASSERT (Offset + (UINT32) LinkLayerOption.Length * 8 >= (UINT32) Head-
> >PayloadLength);
>
> + ASSERT (Offset + (UINT32) LinkLayerOption.Length * 8 <= (UINT32)
> Head->PayloadLength);
>
>
>
> ZeroMem (&LinkLayerAddress, sizeof (EFI_MAC_ADDRESS));
>
> CopyMem (&LinkLayerAddress, LinkLayerOption.EtherAddr, 6);
>
> @@ -2164,7 +2164,7 @@ Ip6ProcessRouterAdvertise (
> // Option size validity ensured by Ip6IsNDOptionValid().
>
> //
>
> ASSERT (PrefixOption.Length == 4);
>
> - ASSERT (Offset + (UINT32) PrefixOption.Length * 8 >= (UINT32) Head-
> >PayloadLength);
>
> + ASSERT (Offset + (UINT32) PrefixOption.Length * 8 <= (UINT32) Head-
> >PayloadLength);
>
>
>
> PrefixOption.ValidLifetime = NTOHL (PrefixOption.ValidLifetime);
>
> PrefixOption.PreferredLifetime = NTOHL
> (PrefixOption.PreferredLifetime);
>
> @@ -2334,7 +2334,7 @@ Ip6ProcessRouterAdvertise (
> // Option size validity ensured by Ip6IsNDOptionValid().
>
> //
>
> ASSERT (MTUOption.Length == 1);
>
> - ASSERT (Offset + (UINT32) MTUOption.Length * 8 >= (UINT32) Head-
> >PayloadLength);
>
> + ASSERT (Offset + (UINT32) MTUOption.Length * 8 <= (UINT32) Head-
> >PayloadLength);
>
>
>
> //
>
> // Use IPv6 minimum link MTU 1280 bytes as the maximum packet size in
> order
>
> --
> 2.24.0.windows.2
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [edk2-devel] [PATCH v2] NetworkPkg/Ip6Dxe: Fix ASSERT logic in Ip6ProcessRouterAdvertise()
2020-04-03 7:21 ` Wu, Jiaxin
@ 2020-04-03 12:36 ` Maciej Rabeda
0 siblings, 0 replies; 3+ messages in thread
From: Maciej Rabeda @ 2020-04-03 12:36 UTC (permalink / raw)
To: devel, jiaxin.wu
Hey Jiaxin!
Thanks for the review, I have already merged this patch based on
Siyuan's review and Laszlo's test :)
Also, big thank you for handling the HTTP static IP thread.
- Maciej
On 03-Apr-20 09:21, Wu, Jiaxin wrote:
> Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>
>
>
>> -----Original Message-----
>> From: Maciej Rabeda <maciej.rabeda@linux.intel.com>
>> Sent: Thursday, April 2, 2020 5:15 PM
>> To: devel@edk2.groups.io
>> Cc: Wu, Jiaxin <jiaxin.wu@intel.com>; Fu, Siyuan <siyuan.fu@intel.com>;
>> Laszlo Ersek <lersek@redhat.com>
>> Subject: [PATCH v2] NetworkPkg/Ip6Dxe: Fix ASSERT logic in
>> Ip6ProcessRouterAdvertise()
>>
>> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2655
>>
>> This patch fixes reversed logic of recently added ASSERTs which should
>> ensure that Ip6IsNDOptionValid() implementation properly reacts to invalid
>> packets.
>>
>> Cc: Jiaxin Wu <jiaxin.wu@intel.com>
>> Cc: Siyuan Fu <siyuan.fu@intel.com>
>> Signed-off-by: Maciej Rabeda <maciej.rabeda@linux.intel.com>
>> Reviewed-by: Siyuan Fu <siyuan.fu@intel.com>
>> Tested-by: Laszlo Ersek <lersek@redhat.com>
>> Fixes: 9c20342eed70ec99ec50cd73cb81804299f05403
>> ---
>> NetworkPkg/Ip6Dxe/Ip6Nd.c | 6 +++---
>> 1 file changed, 3 insertions(+), 3 deletions(-)
>>
>> diff --git a/NetworkPkg/Ip6Dxe/Ip6Nd.c b/NetworkPkg/Ip6Dxe/Ip6Nd.c
>> index fd7f60b2f92c..0780a98cb325 100644
>> --- a/NetworkPkg/Ip6Dxe/Ip6Nd.c
>> +++ b/NetworkPkg/Ip6Dxe/Ip6Nd.c
>> @@ -2111,7 +2111,7 @@ Ip6ProcessRouterAdvertise (
>> // Option size validity ensured by Ip6IsNDOptionValid().
>>
>> //
>>
>> ASSERT (LinkLayerOption.Length != 0);
>>
>> - ASSERT (Offset + (UINT32) LinkLayerOption.Length * 8 >= (UINT32) Head-
>>> PayloadLength);
>> + ASSERT (Offset + (UINT32) LinkLayerOption.Length * 8 <= (UINT32)
>> Head->PayloadLength);
>>
>>
>>
>> ZeroMem (&LinkLayerAddress, sizeof (EFI_MAC_ADDRESS));
>>
>> CopyMem (&LinkLayerAddress, LinkLayerOption.EtherAddr, 6);
>>
>> @@ -2164,7 +2164,7 @@ Ip6ProcessRouterAdvertise (
>> // Option size validity ensured by Ip6IsNDOptionValid().
>>
>> //
>>
>> ASSERT (PrefixOption.Length == 4);
>>
>> - ASSERT (Offset + (UINT32) PrefixOption.Length * 8 >= (UINT32) Head-
>>> PayloadLength);
>> + ASSERT (Offset + (UINT32) PrefixOption.Length * 8 <= (UINT32) Head-
>>> PayloadLength);
>>
>>
>> PrefixOption.ValidLifetime = NTOHL (PrefixOption.ValidLifetime);
>>
>> PrefixOption.PreferredLifetime = NTOHL
>> (PrefixOption.PreferredLifetime);
>>
>> @@ -2334,7 +2334,7 @@ Ip6ProcessRouterAdvertise (
>> // Option size validity ensured by Ip6IsNDOptionValid().
>>
>> //
>>
>> ASSERT (MTUOption.Length == 1);
>>
>> - ASSERT (Offset + (UINT32) MTUOption.Length * 8 >= (UINT32) Head-
>>> PayloadLength);
>> + ASSERT (Offset + (UINT32) MTUOption.Length * 8 <= (UINT32) Head-
>>> PayloadLength);
>>
>>
>> //
>>
>> // Use IPv6 minimum link MTU 1280 bytes as the maximum packet size in
>> order
>>
>> --
>> 2.24.0.windows.2
>
>
>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2020-04-02 9:14 [PATCH v2] NetworkPkg/Ip6Dxe: Fix ASSERT logic in Ip6ProcessRouterAdvertise() Maciej Rabeda
2020-04-03 7:21 ` Wu, Jiaxin
2020-04-03 12:36 ` [edk2-devel] " Maciej Rabeda
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