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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 /drivers/crypto/qce/sha.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 'drivers/crypto/qce/sha.h')
| -rw-r--r-- | drivers/crypto/qce/sha.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/crypto/qce/sha.h b/drivers/crypto/qce/sha.h new file mode 100644 index 000000000..cb822fc33 --- /dev/null +++ b/drivers/crypto/qce/sha.h @@ -0,0 +1,71 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved. + */ + +#ifndef _SHA_H_ +#define _SHA_H_ + +#include <crypto/scatterwalk.h> +#include <crypto/sha2.h> + +#include "common.h" +#include "core.h" + +#define QCE_SHA_MAX_BLOCKSIZE SHA256_BLOCK_SIZE +#define QCE_SHA_MAX_DIGESTSIZE SHA256_DIGEST_SIZE + +struct qce_sha_ctx { + u8 authkey[QCE_SHA_MAX_BLOCKSIZE]; +}; + +/** + * struct qce_sha_reqctx - holds private ahash objects per request + * @buf: used during update, import and export + * @tmpbuf: buffer for internal use + * @digest: calculated digest buffer + * @buflen: length of the buffer + * @flags: operation flags + * @src_orig: original request sg list + * @nbytes_orig: original request number of bytes + * @src_nents: source number of entries + * @byte_count: byte count + * @count: save count in states during update, import and export + * @first_blk: is it the first block + * @last_blk: is it the last block + * @sg: used to chain sg lists + * @authkey: pointer to auth key in sha ctx + * @authklen: auth key length + * @result_sg: scatterlist used for result buffer + */ +struct qce_sha_reqctx { + u8 buf[QCE_SHA_MAX_BLOCKSIZE]; + u8 tmpbuf[QCE_SHA_MAX_BLOCKSIZE]; + u8 digest[QCE_SHA_MAX_DIGESTSIZE]; + unsigned int buflen; + unsigned long flags; + struct scatterlist *src_orig; + unsigned int nbytes_orig; + int src_nents; + __be32 byte_count[2]; + u64 count; + bool first_blk; + bool last_blk; + struct scatterlist sg[2]; + u8 *authkey; + unsigned int authklen; + struct scatterlist result_sg; +}; + +static inline struct qce_alg_template *to_ahash_tmpl(struct crypto_tfm *tfm) +{ + struct crypto_ahash *ahash = __crypto_ahash_cast(tfm); + struct ahash_alg *alg = container_of(crypto_hash_alg_common(ahash), + struct ahash_alg, halg); + + return container_of(alg, struct qce_alg_template, alg.ahash); +} + +extern const struct qce_algo_ops ahash_ops; + +#endif /* _SHA_H_ */ |