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shim: Extend invalid reloc size warning message

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Knowing the value of the reloc directory size is helpful for debugging,
cf. issue #131 [1],

[1]: https://github.com/rhboot/shim/issues/131

Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Upstream-commit-id: dd3230d07f3
This commit is contained in:
Paul Menzel 2018-05-23 12:32:37 +02:00 committed by Peter Jones
parent 85c837d67f
commit 956717e2b3
1 changed files with 8 additions and 2 deletions
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shim.c
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@ -280,8 +280,14 @@ static EFI_STATUS relocate_coff (PE_COFF_LOADER_IMAGE_CONTEXT *context,
while (RelocBase < RelocBaseEnd) { while (RelocBase < RelocBaseEnd) {
Reloc = (UINT16 *) ((char *) RelocBase + sizeof (EFI_IMAGE_BASE_RELOCATION)); Reloc = (UINT16 *) ((char *) RelocBase + sizeof (EFI_IMAGE_BASE_RELOCATION));
if ((RelocBase->SizeOfBlock == 0) || (RelocBase->SizeOfBlock > context->RelocDir->Size)) { if (RelocBase->SizeOfBlock == 0) {
perror(L"Reloc %d block size %d is invalid\n", n, RelocBase->SizeOfBlock); perror(L"Reloc %d block size 0 is invalid\n", n);
return EFI_UNSUPPORTED;
} else if (RelocBase->SizeOfBlock > context->RelocDir->Size) {
perror(L"Reloc %d block size %d greater than reloc dir"
"size %d, which is invalid\n", n,
RelocBase->SizeOfBlock,
context->RelocDir->Size);
return EFI_UNSUPPORTED; return EFI_UNSUPPORTED;
} }