Re: [edk2-devel] AArch64 with HeapGuard: page allocations wrongly aligned

["Rebecca Cran via groups.io" <rebecca=os.amperecomputing.com@groups.io>]

On 2/2/2024 5:59 PM, Oliver Smith-Denny wrote:

> Ok, got sidetracked, but got back to this. Rebecca, can you create a
> bugzilla for this and try this patch:
> 
> https://github.com/tianocore/edk2/pull/5339.
> 
> I want to get some feedback on it and your testing before I send out a
> patch for it. However, it did fix my repro case where I was failing to
> free runtime memory with page guard enabled, so I believe it should fix
> your case.
> 
> I need to fix some minor things like patch check, etc. I also did my
> testing on a slightly old version of master, so may need a minor touch
> up.

I've created https://bugzilla.tianocore.org/show_bug.cgi?id=4674 .

I cherry-picked your commit into my tree but unfortunately I now get a 
crash earlier:

Loading driver at 0x000F3AA0000 EntryPoint=0x000F3AB1514 
StatusCodeHandlerRuntimeDxe.efi
InstallProtocolInterface: BC62157E-3E33-4FEC-9920-2D3B36D750DF F3BFEFD0
ProtectUefiImageCommon - 0xF3CA0E98
   - 0x00000000F3AA0000 - 0x0000000000030000
ConvertPages: range F3ADF000 - F3AF0FFF covers multiple entries
ConvertPages: range F3ADF000 - F3AEFFFF covers multiple entries
ConvertPages: range F3ADF000 - F3AEFFFF covers multiple entries


Synchronous Exception at 0x00000000FB8928E4
PC 0x0000FB8928E4 (0x0000FB886000+0x0000C8E4) [ 0] DxeCore.dll
PC 0x0000FB8A4798 (0x0000FB886000+0x0001E798) [ 0] DxeCore.dll
PC 0x0000FB898798 (0x0000FB886000+0x00012798) [ 0] DxeCore.dll
PC 0x0000F3AB1944 (0x0000F3AA0000+0x00011944) [ 1] 
StatusCodeHandlerRuntimeDxe.dll
PC 0x0000FB88D8F0 (0x0000FB886000+0x000078F0) [ 2] DxeCore.dll
PC 0x0000FB899EEC (0x0000FB886000+0x00013EEC) [ 2] DxeCore.dll
PC 0x0000FB89123C (0x0000FB886000+0x0000B23C) [ 2] DxeCore.dll

-- 
Rebecca Cran


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