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bcachefs: Annotate struct bucket_array with __counted_by()

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Add the __counted_by compiler attribute to the flexible array member
bucket to improve access bounds-checking via CONFIG_UBSAN_BOUNDS and
CONFIG_FORTIFY_SOURCE.

Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Thorsten Blum 2024-08-21 18:29:22 +02:00 committed by Kent Overstreet
parent 5396e5af3c
commit 8573dd3474
1 changed files with 1 additions and 1 deletions
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2
fs/bcachefs/buckets_types.h
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@ -24,7 +24,7 @@ struct bucket_array {
u16 first_bucket;
size_t nbuckets;
size_t nbuckets_minus_first;
struct bucket b[];
struct bucket b[] __counted_by(nbuckets);
};
struct bucket_gens {