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| author | Eduard Zingerman <eddyz87@gmail.com> | 2026-09-04 17:05:56 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2026-09-04 18:17:30 -0700 |
| commit | 506ada89629ec7059b96ecfb0dc7d33ece0103ca (patch) | |
| tree | 0b07297409b68d2333fb4f0eae7f3b072eb68d4c /crypto/hash.h | |
| download | linux-stable-506ada89629ec7059b96ecfb0dc7d33ece0103ca.tar.gz linux-stable-506ada89629ec7059b96ecfb0dc7d33ece0103ca.zip | |
bpf: mark a NULL kfunc argument precisegrafted
check_kfunc_arg() allows bpf_register_is_null() for nullable arguments
w/o marking the underlying scalar register precise. Hence a checkpoint
created on such a path would prune against arbitrary scalar value.
Fixes: 3bda08b63670 ("bpf: Allow NULL buffers in bpf_dynptr_slice(_rw)")
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20260904-register-is-null-precise-fixes-v1-5-0f5a360ff15d@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'crypto/hash.h')
| -rw-r--r-- | crypto/hash.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/crypto/hash.h b/crypto/hash.h new file mode 100644 index 000000000..cf9aee07f --- /dev/null +++ b/crypto/hash.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Cryptographic API. + * + * Copyright (c) 2023 Herbert Xu <herbert@gondor.apana.org.au> + */ +#ifndef _LOCAL_CRYPTO_HASH_H +#define _LOCAL_CRYPTO_HASH_H + +#include <crypto/internal/hash.h> + +#include "internal.h" + +extern const struct crypto_type crypto_shash_type; + +int hash_prepare_alg(struct hash_alg_common *alg); + +#endif /* _LOCAL_CRYPTO_HASH_H */ |