tree 5673a6cd823601dd42559debe7246c1cdba00184
parent 139b934071d661ba953e8e4edbaf57d3c262fa23
author Lei Zhang <thestig@chromium.org> 1741632009 -0700
committer Pdfium LUCI CQ <pdfium-scoped@luci-project-accounts.iam.gserviceaccount.com> 1741632009 -0700

Avoid integer overflow when calculating loose char box

Calling FX_RECT::Height() can potentially cause an integer overflow, so
guard that with FX_RECT::IsValid().

Bug: 399144235
Change-Id: I3ab9810fd7979935e9ed29bba1c1967f78976bfd
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/129351
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Thomas Sepez <tsepez@google.com>