commit | 1e8168a5640c3669bb21eef8229f7b36eae3cecf | [log] [tgz] |
---|---|---|
author | Bijan Choobineh <bchoobineh@chromium.org> | Tue Mar 12 21:39:50 2024 |
committer | Chromium LUCI CQ <chromium-scoped@luci-project-accounts.iam.gserviceaccount.com> | Tue Mar 12 21:39:50 2024 |
tree | 9424dea3c010b8e5aa7ddc203252c2bfdf1b6185 | |
parent | 56500874a5311fcbb97ba42901c308b3cc2a5ecf [diff] |
media/gpu: H.264 add safe math checks for expected pic order count Previous to this CL, the H.264 decoder would not check an SPS slice's |expected_delta_per_pic_order_cnt_cycle| parameter. If this is not initialized properly and negative, it can lead to integer overflow errors when attempting to calculate pic order counts. Updates H.264 decoder to check that the expected pic order count calculation is valid and won't cause an integer overflow. Also ran the fuzzer test attached to the bug successfully. Bug: b:327518876 Test: tast verbose run dut video.ChromeStackDecoder.h264 on Cherry. Change-Id: If7aee732d10f810dc6deefaf3173bbf0eb17db6d Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5341937 Reviewed-by: Dan Sanders <sandersd@chromium.org> Commit-Queue: Bijan Choobineh‎ <bchoobineh@chromium.org> Reviewed-by: Miguel Casas-Sanchez <mcasas@chromium.org> Cr-Commit-Position: refs/heads/main@{#1271834}
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