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| author | Thorsten Blum <thorsten.blum@toblux.com> | 2024-08-06 00:11:30 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2024-08-17 07:55:49 +0200 |
| commit | 18e2188c4b2069cf52c12344b47b4f7ac982f555 (patch) | |
| tree | da8c1cb66e0333d1d02f990ecc2b94569700e19e /crypto | |
| parent | crypto: spacc - Add ifndef around MIN (diff) | |
| download | linux-18e2188c4b2069cf52c12344b47b4f7ac982f555.tar.xz linux-18e2188c4b2069cf52c12344b47b4f7ac982f555.zip | |
crypto: chacha20poly1305 - Annotate struct chachapoly_ctx with __counted_by()
Add the __counted_by compiler attribute to the flexible array member
salt to improve access bounds-checking via CONFIG_UBSAN_BOUNDS and
CONFIG_FORTIFY_SOURCE.
Reviewed-by: Kees Cook <kees@kernel.org>
Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/chacha20poly1305.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/chacha20poly1305.c b/crypto/chacha20poly1305.c index 9e4651330852..d740849f1c19 100644 --- a/crypto/chacha20poly1305.c +++ b/crypto/chacha20poly1305.c @@ -27,7 +27,7 @@ struct chachapoly_ctx { struct crypto_ahash *poly; /* key bytes we use for the ChaCha20 IV */ unsigned int saltlen; - u8 salt[]; + u8 salt[] __counted_by(saltlen); }; struct poly_req { |