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adfs: validate zone map parameters and clamp dm_endbit in adfs_map_layout() - #2624
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…yout() In fs/adfs/map.c and fs/adfs/super.c, validate nzones and zone_spare on mount to prevent divide-by-zero in adfs_map_lookup() and adfs_statfs(), and clamp dm_endbit / map offsets to the underlying buffer_head block size in adfs_map_layout(), lookup_zone(), and scan_free_map(). Fixes: 1da177e ("Linux-2.6.12-rc2") Assisted-by: LLM Signed-off-by: Hui Peng <benquike@gmail.com>
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Series: https://patchwork.kernel.org/project/linux-fsdevel/list/?series=1169470
Submitter: Hui Peng
Version: 1
Patches: 1/1
Message-ID:
<20260919222601.3793825-1-benquike@gmail.com>Base: vfs.base.ci
Lore: https://lore.kernel.org/linux-fsdevel/20260919222601.3793825-1-benquike@gmail.com
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