tree 9796bd92dfbf6a8a5134e87c11a58dbe6471090e
parent 64c422efc6af14cf71c1c53e4f490d9de194c781
author Leon Scroggins III <scroggo@google.com> 1540228597 -0400
committer JP Sugarbroad <jpsugar@google.com> 1544084376 -0800

RESTRICT AUTOMERGE: Fix heap buffer overflow

Bug: b/118143775
Bug: oss-fuzz:11040

Because we're sampling, the offset ends up the same as the width. Back
up to the left enough to fit the bytes we will write.

Include SafetyNet logging from
https://skia-review.googlesource.com/c/skia/+/171227

Test: not feasible

Change-Id: Ie476a0191b66c2322446b9c0922f630d6e971645
(cherry picked from commit 07fd41b8234d40e9372604ae3779bda5d760ffc4)