On Sat, May 14, 2022 at 2:31 PM <[email protected]> wrote:

> On Sat, 2022-05-14 at 13:15 +0100, Richard Purdie via
> lists.openembedded.org wrote:
> > On Fri, 2022-05-13 at 09:22 -0700, Khem Raj wrote:
> > > Host distros have started deploying gcc12 as well e.g. archlinux
> > > this build failure shows up which has been fixed upstream
> > >
> > > In function ‘GetAlignmentFromFile’,
> > >     inlined from ‘main’ at GenFfs.c:816:20:
> > > GenFfs.c:545:5: error: pointer ‘InFileHandle’ used after ‘fclose’
> [-Werror=use-after-free]
> > >   545 |     Error(NULL, 0, 4001, "Resource", "memory cannot be
> allocated  of %s", InFileHandle);
> > >       |
>  
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > >
> > > Signed-off-by: Khem Raj <[email protected]>
> > > ---
> > >  .../0001-BaseTools-fix-gcc12-warning-1.patch  | 51 +++++++++++++++++++
> > >  .../0001-BaseTools-fix-gcc12-warning.patch    | 49 ++++++++++++++++++
> > >  meta/recipes-core/ovmf/ovmf_git.bb            |  6 +++
> > >  3 files changed, 106 insertions(+)
> > >  create mode 100644
> meta/recipes-core/ovmf/ovmf/0001-BaseTools-fix-gcc12-warning-1.patch
> > >  create mode 100644
> meta/recipes-core/ovmf/ovmf/0001-BaseTools-fix-gcc12-warning.patch
> > >
> > > diff --git
> a/meta/recipes-core/ovmf/ovmf/0001-BaseTools-fix-gcc12-warning-1.patch
> b/meta/recipes-core/ovmf/ovmf/0001-BaseTools-fix-gcc12-warning-1.patch
> > > new file mode 100644
> > > index 00000000000..23366b4d078
> > > --- /dev/null
> > > +++
> b/meta/recipes-core/ovmf/ovmf/0001-BaseTools-fix-gcc12-warning-1.patch
> > > @@ -0,0 +1,51 @@
> > > +From b0a0b7b605aeb8106e7b50d1efeb746f401498cc Mon Sep 17 00:00:00 2001
> > > +From: Gerd Hoffmann <[email protected]>
> > > +Date: Thu, 24 Mar 2022 20:04:35 +0800
> > > +Subject: [PATCH] BaseTools: fix gcc12 warning
> > > +
> > > +Sdk/C/LzmaEnc.c: In function ?LzmaEnc_CodeOneMemBlock?:
> > > +Sdk/C/LzmaEnc.c:2828:19: error: storing the address of local variable
> ?outStream? in ?*p.rc.outStream? [-Werror=dangling-pointer=]
> > > + 2828 |   p->rc.outStream = &outStream.vt;
> > > +      |   ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
> > > +Sdk/C/LzmaEnc.c:2811:28: note: ?outStream? declared here
> > > + 2811 |   CLzmaEnc_SeqOutStreamBuf outStream;
> > > +      |                            ^~~~~~~~~
> > > +Sdk/C/LzmaEnc.c:2811:28: note: ?pp? declared here
> > > +Sdk/C/LzmaEnc.c:2828:19: error: storing the address of local variable
> ?outStream? in ?*(CLzmaEnc *)pp.rc.outStream? [-Werror=dangling-pointer=]
> > > + 2828 |   p->rc.outStream = &outStream.vt;
> > > +      |   ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
> > > +Sdk/C/LzmaEnc.c:2811:28: note: ?outStream? declared here
> > > + 2811 |   CLzmaEnc_SeqOutStreamBuf outStream;
> > > +      |                            ^~~~~~~~~
> > > +Sdk/C/LzmaEnc.c:2811:28: note: ?pp? declared here
> > > +cc1: all warnings being treated as errors
> > > +
> > > +Upstream-Status: Backport [
> https://github.com/tianocore/edk2/commit/85021f8cf22d1bd4114803c6c610dea5ef0059f1
> ]
> > > +Signed-off-by: Gerd Hoffmann <[email protected]>
> > > +Reviewed-by: Bob Feng <[email protected]>
> > > +---
> > > + BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaEnc.c | 3 ++-
> > > + 1 file changed, 2 insertions(+), 1 deletion(-)
> > > +
> > > +diff --git a/BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaEnc.c
> b/BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaEnc.c
> > > +index 4e9b499f8d..4b9f5fa692 100644
> > > +--- a/BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaEnc.c
> > > ++++ b/BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaEnc.c
> > > +@@ -2825,12 +2825,13 @@ SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle
> pp, BoolInt reInit,
> > > +
> > > +   nowPos64 = p->nowPos64;
> > > +   RangeEnc_Init(&p->rc);
> > > +-  p->rc.outStream = &outStream.vt;
> > > +
> > > +   if (desiredPackSize == 0)
> > > +     return SZ_ERROR_OUTPUT_EOF;
> > > +
> > > ++  p->rc.outStream = &outStream.vt;
> > > +   res = LzmaEnc_CodeOneBlock(p, desiredPackSize, *unpackSize);
> > > ++  p->rc.outStream = NULL;
> > > +
> > > +   *unpackSize = (UInt32)(p->nowPos64 - nowPos64);
> > > +   *destLen -= outStream.rem;
> > > +--
> > > +2.36.1
> > > +
> > > diff --git
> a/meta/recipes-core/ovmf/ovmf/0001-BaseTools-fix-gcc12-warning.patch
> b/meta/recipes-core/ovmf/ovmf/0001-BaseTools-fix-gcc12-warning.patch
> > > new file mode 100644
> > > index 00000000000..91c01647db2
> > > --- /dev/null
> > > +++
> b/meta/recipes-core/ovmf/ovmf/0001-BaseTools-fix-gcc12-warning.patch
> > > @@ -0,0 +1,49 @@
> > > +From 2435c17e56652479315853cec5b91fb0ea0911a3 Mon Sep 17 00:00:00 2001
> > > +From: Gerd Hoffmann <[email protected]>
> > > +Date: Thu, 24 Mar 2022 20:04:34 +0800
> > > +Subject: [PATCH] BaseTools: fix gcc12 warning
> > > +
> > > +GenFfs.c:545:5: error: pointer ?InFileHandle? used after ?fclose?
> [-Werror=use-after-free]
> > > +  545 |     Error(NULL, 0, 4001, "Resource", "memory cannot be
> allocated  of %s", InFileHandle);
> > > +      |
>  
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > > +GenFfs.c:544:5: note: call to ?fclose? here
> > > +  544 |     fclose (InFileHandle);
> > > +      |     ^~~~~~~~~~~~~~~~~~~~~
> > > +
> > > +Upstream-Status: Backport [
> https://github.com/tianocore/edk2/commit/7b005f344e533cd913c3ca05b266f9872df886d1
> ]
> > > +Signed-off-by: Gerd Hoffmann <[email protected]>
> > > +Reviewed-by: Bob Feng <[email protected]>
> > > +---
> > > + BaseTools/Source/C/GenFfs/GenFfs.c | 2 +-
> > > + BaseTools/Source/C/GenSec/GenSec.c | 2 +-
> > > + 2 files changed, 2 insertions(+), 2 deletions(-)
> > > +
> > > +diff --git a/BaseTools/Source/C/GenFfs/GenFfs.c
> b/BaseTools/Source/C/GenFfs/GenFfs.c
> > > +index 949025c333..d78d62ab36 100644
> > > +--- a/BaseTools/Source/C/GenFfs/GenFfs.c
> > > ++++ b/BaseTools/Source/C/GenFfs/GenFfs.c
> > > +@@ -542,7 +542,7 @@ GetAlignmentFromFile(char *InFile, UINT32
> *Alignment)
> > > +   PeFileBuffer = (UINT8 *) malloc (PeFileSize);
> > > +   if (PeFileBuffer == NULL) {
> > > +     fclose (InFileHandle);
> > > +-    Error(NULL, 0, 4001, "Resource", "memory cannot be allocated  of
> %s", InFileHandle);
> > > ++    Error(NULL, 0, 4001, "Resource", "memory cannot be allocated for
> %s", InFile);
> > > +     return EFI_OUT_OF_RESOURCES;
> > > +   }
> > > +   fread (PeFileBuffer, sizeof (UINT8), PeFileSize, InFileHandle);
> > > +diff --git a/BaseTools/Source/C/GenSec/GenSec.c
> b/BaseTools/Source/C/GenSec/GenSec.c
> > > +index d54a4f9e0a..b1d05367ec 100644
> > > +--- a/BaseTools/Source/C/GenSec/GenSec.c
> > > ++++ b/BaseTools/Source/C/GenSec/GenSec.c
> > > +@@ -1062,7 +1062,7 @@ GetAlignmentFromFile(char *InFile, UINT32
> *Alignment)
> > > +   PeFileBuffer = (UINT8 *) malloc (PeFileSize);
> > > +   if (PeFileBuffer == NULL) {
> > > +     fclose (InFileHandle);
> > > +-    Error(NULL, 0, 4001, "Resource", "memory cannot be allocated  of
> %s", InFileHandle);
> > > ++    Error(NULL, 0, 4001, "Resource", "memory cannot be allocated for
> %s", InFile);
> > > +     return EFI_OUT_OF_RESOURCES;
> > > +   }
> > > +   fread (PeFileBuffer, sizeof (UINT8), PeFileSize, InFileHandle);
> > > +--
> > > +2.36.1
> > > +
> > > diff --git a/meta/recipes-core/ovmf/ovmf_git.bb
> b/meta/recipes-core/ovmf/ovmf_git.bb
> > > index b15d40eac83..84e3360a3af 100644
> > > --- a/meta/recipes-core/ovmf/ovmf_git.bb
> > > +++ b/meta/recipes-core/ovmf/ovmf_git.bb
> > > @@ -15,12 +15,18 @@ PACKAGECONFIG +=
> "${@bb.utils.contains('MACHINE_FEATURES', 'tpm2', 'tpm', '', d)
> > >  PACKAGECONFIG[secureboot] = ",,,"
> > >  PACKAGECONFIG[tpm] = "-D TPM_ENABLE=TRUE,-D TPM_ENABLE=FALSE,,"
> > >
> > > +# GCC12 trips on it
> > > +#see
> https://src.fedoraproject.org/rpms/edk2/blob/rawhide/f/0032-Basetools-turn-off-gcc12-warning.patch
> > > +BUILD_CFLAGS += "-Wno-error=stringop-overflow"
> > > +
> > >  SRC_URI = "gitsm://
> github.com/tianocore/edk2.git;branch=master;protocol=https \
> > >             file://0001-ovmf-update-path-to-native-BaseTools.patch \
> > >
>  file://0002-BaseTools-makefile-adjust-to-build-in-under-bitbake.patch \
> > >             file://0003-ovmf-Update-to-latest.patch \
> > >             file://0005-debug-prefix-map.patch \
> > >             file://0006-reproducible.patch \
> > > +           file://0001-BaseTools-fix-gcc12-warning.patch \
> > > +           file://0001-BaseTools-fix-gcc12-warning-1.patch \
> > >             "
> > >
> > >  PV = "edk2-stable202202"
> >
> > I think this may cause the efi failures in:
> >
> >
> https://autobuilder.yoctoproject.org/typhoon/#/builders/87/builds/3583/steps/14/logs/stdio
> >
> > (and all the other similar oe-selftest runs)
>
> I'm going to retract that, further testing shows it is something else,
> still not sure what.


Right I was a little confused as well and was trying to reproduce locally
here with and without this patch and the results were same


>
> Cheers,
>
> Richard
>
>
>
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