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nvme: Annotate struct nvme_dhchap_key with __counted_by

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Add the __counted_by() compiler attribute to the flexible array member
'key' to improve access bounds-checking via CONFIG_UBSAN_BOUNDS and
CONFIG_FORTIFY_SOURCE.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Keith Busch <kbusch@kernel.org>
This commit is contained in:
Thorsten Blum 2026-03-03 22:31:01 +01:00 committed by Keith Busch
parent 0375c81eb2
commit fa655a9ca7
1 changed files with 1 additions and 1 deletions
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2
include/linux/nvme-auth.h
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@ -11,7 +11,7 @@
struct nvme_dhchap_key {
size_t len;
u8 hash;
u8 key[];
u8 key[] __counted_by(len);
};
u32 nvme_auth_get_seqnum(void);