On 2026-05-27T15:04:32, Aristo Chen <[email protected]> wrote: > bootm: increase kernel_noload decompression headroom from 4x to 8x > > For a compressed kernel_noload image, bootm_load_os() allocates a buffer > of ALIGN(image_len * 4, SZ_1M). The 4x factor is at the edge of what > modern compressors (zstd, xz) achieve on real kernels, so a > well-compressed vendor kernel can fail to boot at runtime with no > intervening warning. > > Bump the headroom to 8x. The buffer is still bounded by the compressed > image size, and the SZ_1M alignment keeps the overhead below 1 MiB on > small kernels. Update the matching references in the kernel_noload > sandbox tests so they stay in sync with the bound bootm_load_os() > enforces. > > Suggested-by: Simon Glass <[email protected]> > Signed-off-by: Aristo Chen <[email protected]> > > boot/bootm.c | 6 +++--- > test/py/tests/test_fit.py | 14 +++++++------- > 2 files changed, 10 insertions(+), 10 deletions(-)
Reviewed-by: Simon Glass <[email protected]>
