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There are places where an object "child" has a raw pointer
back to object "owner" with the understanding that owner will
always outlive child.
Violating this constraint can lead to use after free, but this
requires finding two paths: one that frees the objects in the
wrong order, and one that uses the object after the free. The
purpose of this patch is to detect the constraint violation
even when the second path is not hit.
We create a template that is used in place of TYPE*. It's dtor,
when a memory tool is present, goes out and probes the first
byte of the object to which it points. Used in "child", this
allows the memory tool to prove that the "owner" is still alive
at the time the child is destroyed, and hence the constraint is
never violated.
Change-Id: I2a6d696d51dda4a79ee2f00a6752965e058a6417
Reviewed-on: https://pdfium-review.googlesource.com/5475
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
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This Cl updates the various CFWL_Message classes to take CFX_PointF instead of
x,y values.
Change-Id: I5d9d01d68be64fc9e69c04574994c01286ad24e1
Reviewed-on: https://pdfium-review.googlesource.com/2811
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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This CL updates the CFX_FloatPoint Cl to accommodate for the Origin CL being
reverted.
Change-Id: I345fe1117938a49ad9ee5f310fe7b5e21d9f1948
Reviewed-on: https://pdfium-review.googlesource.com/2697
Reviewed-by: Nicolás Peña <npm@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This reverts commit 4797c4240cb9e2d8cd36c583d46cd52ff94af95d.
Reason for revert: Reverting chain to see if fixes Chrome roll.
Original change's description:
> Convert CFX_FloatPoint to CFX_PointF
>
> The two classes store the same information, remove the CFX_FloatPoint variant.
>
> Change-Id: Ie598c2ba5af04fb2bb3347dd48c30fd5e4845e62
> Reviewed-on: https://pdfium-review.googlesource.com/2612
> Commit-Queue: dsinclair <dsinclair@chromium.org>
> Reviewed-by: Tom Sepez <tsepez@chromium.org>
>
TBR=tsepez@chromium.org,dsinclair@chromium.org,pdfium-reviews@googlegroups.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
Change-Id: Ia42074e706983c62d2e57497c3079b3c338343a3
Reviewed-on: https://pdfium-review.googlesource.com/2694
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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The two classes store the same information, remove the CFX_FloatPoint variant.
Change-Id: Ie598c2ba5af04fb2bb3347dd48c30fd5e4845e62
Reviewed-on: https://pdfium-review.googlesource.com/2612
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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Review-Url: https://codereview.chromium.org/2453683011
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This CL merges the CPDFSDK_Document and CPDFSDK_FormFillEnvironment classes
as they always existed and always pointed at each other.
Review-Url: https://codereview.chromium.org/2410893002
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This CL changes CPDFSDK_PageView to have a CPDFSDK_FormFillEnvironment instead
of a CPDFSDK_Document.
Review-Url: https://codereview.chromium.org/2400673002
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This Cl cleans up the code regarding CPDFSDK_Annots in CPDFSDK_PageView.
This includes:
* Makes DeleteAnnot XFA only and wraps at the call site.
* Removes unused methods
* Replaces use of CountAnnots and GetAnnot with vector iteration
* Removes {Set|Kill}FocusAnnot from CPDFSDK_PageView
* Renames m_fxAnnotArray to m_SDKAnnotArray
Review-Url: https://codereview.chromium.org/2384323005
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BUG=pdfium:603
Review-Url: https://codereview.chromium.org/2386423004
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This CL adds a |IsBeingDestroyed| flag into the CPDFSDK_PageView. We then
bail out of the pageview removal code early if the flag is set.
BUG=chromium:652103
Review-Url: https://codereview.chromium.org/2384243002
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Method is not called, removing.
Review-Url: https://codereview.chromium.org/2391663002
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BUG=pdfium:611
Review-Url: https://codereview.chromium.org/2384503003
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