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The arm64 kernel header contains an 'image_size' field indicating the minimum size of the reserved memory region into which the kernel is loaded. This is larger than the size of the Image file, as it also takes into account NOBITS sections such as the .bss, which will be zeroed during boot. Although crosvm parses the kernel header, it fails to take 'image_size' into account and can end up loading the initrd over the .bss if the section is large enough to cross the next 16MiB alignment boundary after the end of the Image. Size the memory reservation according to the 'image_size' field in the arm64 kernel Image header, warning if it's zero and falling back to the current behaviour. BUG=b:322966413 TEST=tools/dev_container tools/run_tests --platform=aarch64 Change-Id: I23316f201d8a7fd9025762be518aa505e716c642 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/5249889 Reviewed-by: Daniel Verkamp <dverkamp@chromium.org> Commit-Queue: Will Deacon <willdeacon@google.com> Reviewed-by: Frederick Mayle <fmayle@google.com> |
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| bindgen.sh | ||
| Cargo.toml | ||