[edk2-devel] 回复: [Patch] [edk2-staging] BaseTools: Add checkpoint for that there is no fv ext_header

[gaoliming]

Reviewed-by: Liming Gao <gaoliming at byosoft.com.cn>

> -----邮件原件-----
> 发件人: Chen, Christine <yuwei.chen at intel.com>
> 发送时间: 2021年5月27日 13:57
> 收件人: Feng, Bob C <bob.c.feng at intel.com>; devel at edk2.groups.io
> 抄送: Liming Gao <gaoliming at byosoft.com.cn>
> 主题: RE: [Patch] [edk2-staging] BaseTools: Add checkpoint for that there
is
> no fv ext_header
> 
> Reviewed-by: Yuwei Chen<yuwei.chen at intel.com>
> 
> > -----Original Message-----
> > From: Feng, Bob C <bob.c.feng at intel.com>
> > Sent: Tuesday, May 25, 2021 2:20 PM
> > To: devel at edk2.groups.io
> > Cc: Liming Gao <gaoliming at byosoft.com.cn>; Chen, Christine
> > <yuwei.chen at intel.com>
> > Subject: [Patch] [edk2-staging] BaseTools: Add checkpoint for that there
is
> > no fv ext_header
> >
> > FMMT will crash if there is no fv ext_header in a specific FV.
> > This patch is going to add a check point for this case.
> >
> > Signed-off-by: Bob Feng <bob.c.feng at intel.com>
> > Cc: Liming Gao <gaoliming at byosoft.com.cn>
> > Cc: Yuwei Chen <yuwei.chen at intel.com>
> > ---
> >  BaseTools/Source/C/FMMT/FmmtLib.c | 2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/BaseTools/Source/C/FMMT/FmmtLib.c
> > b/BaseTools/Source/C/FMMT/FmmtLib.c
> > index fa77ed7317..4f6056edba 100644
> > --- a/BaseTools/Source/C/FMMT/FmmtLib.c
> > +++ b/BaseTools/Source/C/FMMT/FmmtLib.c
> > @@ -4544,16 +4544,18 @@ LibEncapNewFvFile(
> >          if (CurrentEncapData != NULL) {
> >            LocalEncapData = CurrentEncapData;
> >            while (LocalEncapData->Level != ParentLevel) {
> >              LocalEncapData = LocalEncapData->NextNode;
> >            }
> > +          if (LocalEncapData->FvExtHeader !=NULL) {
> >              for (Index = 0; Index <= FvInFd->FfsNumbers; Index++) {
> >                  if
> ((memcmp(&FvInFd->FfsAttuibutes[Index].GuidName,
> > &(LocalEncapData->FvExtHeader->FvName), sizeof(EFI_GUID)) == 0)) {
> >                      SubFvId = Index;
> >                      break;
> >                  }
> >              }
> > +          }
> >          }
> >          //
> >          // Found FFSs from Fv structure.
> >          //
> >          FfsFoundFlag = FALSE;
> > --
> > 2.29.1.windows.1





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