Re: [patch] NetworkPkg: Fix assert issue in iSCSI driver

["Fu, Siyuan" <siyuan.fu@intel.com>]

Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>



> -----Original Message-----
> From: Zhang, Lubo
> Sent: Monday, August 1, 2016 4:38 PM
> To: edk2-devel@lists.01.org
> Cc: Fu, Siyuan <siyuan.fu@intel.com>; Ye, Ting <ting.ye@intel.com>; Wu,
> Jiaxin <jiaxin.wu@intel.com>
> Subject: [patch] NetworkPkg: Fix assert issue in iSCSI driver
> 
> The bug is caused by using already freed memory.
> If there is already an attempt and execute
> 'reconnect -r' command, all the AttemptConfig structure
> will be freed, but the mCallbackInfo->Current is not
> configured as null and this pointer will be used again in
> IScsiFormExtractConfig.
> 
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Zhang Lubo <lubo.zhang@intel.com>
> Cc: Fu Siyuan <siyuan.fu@intel.com>
> Cc: Ye Ting <ting.ye@intel.com>
> Cc: Wu Jiaxin <jiaxin.wu@intel.com>
> ---
>  NetworkPkg/IScsiDxe/IScsiMisc.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/NetworkPkg/IScsiDxe/IScsiMisc.c
> b/NetworkPkg/IScsiDxe/IScsiMisc.c
> index deebf5d..a39c268 100644
> --- a/NetworkPkg/IScsiDxe/IScsiMisc.c
> +++ b/NetworkPkg/IScsiDxe/IScsiMisc.c
> @@ -898,10 +898,12 @@ IScsiCleanDriverData (
> 
>  EXIT:
> 
>    gBS->CloseEvent (Private->ExitBootServiceEvent);
> 
> +  mCallbackInfo->Current = NULL;
> +
>    FreePool (Private);
>    return Status;
>  }
> 
>  /**
> --
> 1.9.5.msysgit.1