On 3/17/26 14:18, Thorsten Blum wrote:
Add the __counted_by() compiler attribute to the flexible array member
'group' to improve access bounds-checking via CONFIG_UBSAN_BOUNDS and
CONFIG_FORTIFY_SOURCE.
Signed-off-by: Thorsten Blum <redacted>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Thanks
-Gustavo
quoted hunk ↗ jump to hunk
---
drivers/crypto/nx/nx-842.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/crypto/nx/nx-842.h b/drivers/crypto/nx/nx-842.h
index f5e2c82ba876..a04e85e9f78e 100644
--- a/drivers/crypto/nx/nx-842.h
+++ b/drivers/crypto/nx/nx-842.h
@@ -164,7 +164,7 @@ struct nx842_crypto_header {
__be16 ignore; /* decompressed end bytes to ignore */
u8 groups; /* total groups in this header */
);
- struct nx842_crypto_header_group group[];
+ struct nx842_crypto_header_group group[] __counted_by(groups);
} __packed;
static_assert(offsetof(struct nx842_crypto_header, group) == sizeof(struct nx842_crypto_header_hdr),
"struct member likely outside of struct_group_tagged()");