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authorThorsten Blum <[email protected]>2024-08-21 18:29:22 +0200
committerKent Overstreet <[email protected]>2024-09-09 09:41:47 -0400
commit8573dd3474e8ec067b3c0c80d591c6de1d94e1e9 (patch)
treec06edbf4110226a46aec535277496f217ae8f458
parent5396e5af3c1032b659bd6b1c1ec18e8af275a746 (diff)
bcachefs: Annotate struct bucket_array with __counted_by()
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 <[email protected]> Signed-off-by: Kent Overstreet <[email protected]>
-rw-r--r--fs/bcachefs/buckets_types.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/bcachefs/buckets_types.h b/fs/bcachefs/buckets_types.h
index c9698cdf866f..a19460a1bb7c 100644
--- a/fs/bcachefs/buckets_types.h
+++ b/fs/bcachefs/buckets_types.h
@@ -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 {