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qcow currently makes assumptions about being able to fit the L1 and refcount tables in memory. This isn't necessarily true for very large files. The new limits to the size of in-memory buffers still allow 1TB files with default cluster sizes. Because there aren't any 1 TB chromebooks available yet, limit disks to that size. This works around issues found by clusterfuzz related to large files built with small clusters. BUG=972165,972175,972160,972172 TEST=fuzzer locally + new unit tests Change-Id: I15d5d8e3e61213780ff6aea5759b155c63d49ea3 Signed-off-by: Dylan Reid <dgreid@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1651460 Reviewed-by: Zach Reizner <zachr@chromium.org> Reviewed-by: Daniel Verkamp <dverkamp@chromium.org> Tested-by: kokoro <noreply+kokoro@google.com> |
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