| commit | 35d9156525dc3a2e7b3e2051e501c526a227bb18 | [log] [tgz] |
|---|---|---|
| author | Jeffrey Young <cowmoo@google.com> | Wed Jun 21 19:52:40 2023 |
| committer | Chromium LUCI CQ <chromium-scoped@luci-project-accounts.iam.gserviceaccount.com> | Wed Jun 21 19:52:40 2023 |
| tree | 960c9b448eef761334d13e9fcfe5109237cd8cb3 | |
| parent | 70e65d505e6c91cdb835a9faa79b77b7928209b5 [diff] |
wallpaper: safer saving policy/custom wallpaper There is a race condition when first logging in between reading and saving wallpaper policy image. If the stars align, the login sequence that reads policy-controlled.jpeg will get a partial read while the sequence that refreshes policy wallpaper is re-saving it. Mitigate this by writing wallpaper data to a tmp file and then moving it to the desired location. Bug: b:280578317 Test: ash_unittests --gtest_filter=*WallpaperController* Change-Id: If78ba85e0ebb7cb8bfab99f90a9deaa3a19da579 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4628564 Commit-Queue: Jeffrey Young <cowmoo@google.com> Reviewed-by: Xiaohui Chen <xiaohuic@chromium.org> Cr-Commit-Position: refs/heads/main@{#1160809}
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