tree 4d97cc4bc1e1a5c2db3b999c67a826721294c558
parent a607dd50d24e54eef404195cf49db0d56985a680
author Tom Sepez <tsepez@chromium.org> 1652477778 +0000
committer Pdfium LUCI CQ <pdfium-scoped@luci-project-accounts.iam.gserviceaccount.com> 1652477778 +0000

Add a second line of defense against negative offsets

Make CPDF_ReadValidator::ReadBlockAtOffset return immediately in
this case.

Change-Id: I4db0a4a149831c0e22b5d37276ef515ab5aa1b5f
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/93614
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>