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-rw-r--r--kernel/bpf/crypto.c24
-rw-r--r--kernel/bpf/helpers.c39
-rw-r--r--kernel/bpf/verifier.c2
-rw-r--r--kernel/trace/bpf_trace.c15
4 files changed, 53 insertions, 27 deletions
diff --git a/kernel/bpf/crypto.c b/kernel/bpf/crypto.c
index 2bee4af91e38..3c1de0e5c0bd 100644
--- a/kernel/bpf/crypto.c
+++ b/kernel/bpf/crypto.c
@@ -311,11 +311,15 @@ static int bpf_crypto_crypt(const struct bpf_crypto_ctx *ctx,
* Decrypts provided buffer using IV data and the crypto context. Crypto context must be configured.
*/
__bpf_kfunc int bpf_crypto_decrypt(struct bpf_crypto_ctx *ctx,
- const struct bpf_dynptr_kern *src,
- const struct bpf_dynptr_kern *dst,
- const struct bpf_dynptr_kern *siv)
+ const struct bpf_dynptr *src,
+ const struct bpf_dynptr *dst,
+ const struct bpf_dynptr *siv)
{
- return bpf_crypto_crypt(ctx, src, dst, siv, true);
+ const struct bpf_dynptr_kern *src_kern = (struct bpf_dynptr_kern *)src;
+ const struct bpf_dynptr_kern *dst_kern = (struct bpf_dynptr_kern *)dst;
+ const struct bpf_dynptr_kern *siv_kern = (struct bpf_dynptr_kern *)siv;
+
+ return bpf_crypto_crypt(ctx, src_kern, dst_kern, siv_kern, true);
}
/**
@@ -328,11 +332,15 @@ __bpf_kfunc int bpf_crypto_decrypt(struct bpf_crypto_ctx *ctx,
* Encrypts provided buffer using IV data and the crypto context. Crypto context must be configured.
*/
__bpf_kfunc int bpf_crypto_encrypt(struct bpf_crypto_ctx *ctx,
- const struct bpf_dynptr_kern *src,
- const struct bpf_dynptr_kern *dst,
- const struct bpf_dynptr_kern *siv)
+ const struct bpf_dynptr *src,
+ const struct bpf_dynptr *dst,
+ const struct bpf_dynptr *siv)
{
- return bpf_crypto_crypt(ctx, src, dst, siv, false);
+ const struct bpf_dynptr_kern *src_kern = (struct bpf_dynptr_kern *)src;
+ const struct bpf_dynptr_kern *dst_kern = (struct bpf_dynptr_kern *)dst;
+ const struct bpf_dynptr_kern *siv_kern = (struct bpf_dynptr_kern *)siv;
+
+ return bpf_crypto_crypt(ctx, src_kern, dst_kern, siv_kern, false);
}
__bpf_kfunc_end_defs();
diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c
index 6f1abcb4b084..3ac521c48bba 100644
--- a/kernel/bpf/helpers.c
+++ b/kernel/bpf/helpers.c
@@ -2459,9 +2459,10 @@ __bpf_kfunc struct task_struct *bpf_task_from_pid(s32 pid)
* provided buffer, with its contents containing the data, if unable to obtain
* direct pointer)
*/
-__bpf_kfunc void *bpf_dynptr_slice(const struct bpf_dynptr_kern *ptr, u32 offset,
+__bpf_kfunc void *bpf_dynptr_slice(const struct bpf_dynptr *p, u32 offset,
void *buffer__opt, u32 buffer__szk)
{
+ const struct bpf_dynptr_kern *ptr = (struct bpf_dynptr_kern *)p;
enum bpf_dynptr_type type;
u32 len = buffer__szk;
int err;
@@ -2543,9 +2544,11 @@ __bpf_kfunc void *bpf_dynptr_slice(const struct bpf_dynptr_kern *ptr, u32 offset
* provided buffer, with its contents containing the data, if unable to obtain
* direct pointer)
*/
-__bpf_kfunc void *bpf_dynptr_slice_rdwr(const struct bpf_dynptr_kern *ptr, u32 offset,
+__bpf_kfunc void *bpf_dynptr_slice_rdwr(const struct bpf_dynptr *p, u32 offset,
void *buffer__opt, u32 buffer__szk)
{
+ const struct bpf_dynptr_kern *ptr = (struct bpf_dynptr_kern *)p;
+
if (!ptr->data || __bpf_dynptr_is_rdonly(ptr))
return NULL;
@@ -2571,11 +2574,12 @@ __bpf_kfunc void *bpf_dynptr_slice_rdwr(const struct bpf_dynptr_kern *ptr, u32 o
* will be copied out into the buffer and the user will need to call
* bpf_dynptr_write() to commit changes.
*/
- return bpf_dynptr_slice(ptr, offset, buffer__opt, buffer__szk);
+ return bpf_dynptr_slice(p, offset, buffer__opt, buffer__szk);
}
-__bpf_kfunc int bpf_dynptr_adjust(struct bpf_dynptr_kern *ptr, u32 start, u32 end)
+__bpf_kfunc int bpf_dynptr_adjust(const struct bpf_dynptr *p, u32 start, u32 end)
{
+ struct bpf_dynptr_kern *ptr = (struct bpf_dynptr_kern *)p;
u32 size;
if (!ptr->data || start > end)
@@ -2592,36 +2596,45 @@ __bpf_kfunc int bpf_dynptr_adjust(struct bpf_dynptr_kern *ptr, u32 start, u32 en
return 0;
}
-__bpf_kfunc bool bpf_dynptr_is_null(struct bpf_dynptr_kern *ptr)
+__bpf_kfunc bool bpf_dynptr_is_null(const struct bpf_dynptr *p)
{
+ struct bpf_dynptr_kern *ptr = (struct bpf_dynptr_kern *)p;
+
return !ptr->data;
}
-__bpf_kfunc bool bpf_dynptr_is_rdonly(struct bpf_dynptr_kern *ptr)
+__bpf_kfunc bool bpf_dynptr_is_rdonly(const struct bpf_dynptr *p)
{
+ struct bpf_dynptr_kern *ptr = (struct bpf_dynptr_kern *)p;
+
if (!ptr->data)
return false;
return __bpf_dynptr_is_rdonly(ptr);
}
-__bpf_kfunc __u32 bpf_dynptr_size(const struct bpf_dynptr_kern *ptr)
+__bpf_kfunc __u32 bpf_dynptr_size(const struct bpf_dynptr *p)
{
+ struct bpf_dynptr_kern *ptr = (struct bpf_dynptr_kern *)p;
+
if (!ptr->data)
return -EINVAL;
return __bpf_dynptr_size(ptr);
}
-__bpf_kfunc int bpf_dynptr_clone(struct bpf_dynptr_kern *ptr,
- struct bpf_dynptr_kern *clone__uninit)
+__bpf_kfunc int bpf_dynptr_clone(const struct bpf_dynptr *p,
+ struct bpf_dynptr *clone__uninit)
{
+ struct bpf_dynptr_kern *clone = (struct bpf_dynptr_kern *)clone__uninit;
+ struct bpf_dynptr_kern *ptr = (struct bpf_dynptr_kern *)p;
+
if (!ptr->data) {
- bpf_dynptr_set_null(clone__uninit);
+ bpf_dynptr_set_null(clone);
return -EINVAL;
}
- *clone__uninit = *ptr;
+ *clone = *ptr;
return 0;
}
@@ -2986,7 +2999,9 @@ late_initcall(kfunc_init);
*/
const void *__bpf_dynptr_data(const struct bpf_dynptr_kern *ptr, u32 len)
{
- return bpf_dynptr_slice(ptr, 0, NULL, len);
+ const struct bpf_dynptr *p = (struct bpf_dynptr *)ptr;
+
+ return bpf_dynptr_slice(p, 0, NULL, len);
}
/* Get a pointer to dynptr data up to len bytes for read write access. If
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index dcac6119d810..acc9dd830807 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -10914,7 +10914,7 @@ enum {
};
BTF_ID_LIST(kf_arg_btf_ids)
-BTF_ID(struct, bpf_dynptr_kern)
+BTF_ID(struct, bpf_dynptr)
BTF_ID(struct, bpf_list_head)
BTF_ID(struct, bpf_list_node)
BTF_ID(struct, bpf_rb_root)
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index bc16e21a2a44..4b3fda456299 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -1369,8 +1369,8 @@ __bpf_kfunc void bpf_key_put(struct bpf_key *bkey)
#ifdef CONFIG_SYSTEM_DATA_VERIFICATION
/**
* bpf_verify_pkcs7_signature - verify a PKCS#7 signature
- * @data_ptr: data to verify
- * @sig_ptr: signature of the data
+ * @data_p: data to verify
+ * @sig_p: signature of the data
* @trusted_keyring: keyring with keys trusted for signature verification
*
* Verify the PKCS#7 signature *sig_ptr* against the supplied *data_ptr*
@@ -1378,10 +1378,12 @@ __bpf_kfunc void bpf_key_put(struct bpf_key *bkey)
*
* Return: 0 on success, a negative value on error.
*/
-__bpf_kfunc int bpf_verify_pkcs7_signature(struct bpf_dynptr_kern *data_ptr,
- struct bpf_dynptr_kern *sig_ptr,
+__bpf_kfunc int bpf_verify_pkcs7_signature(struct bpf_dynptr *data_p,
+ struct bpf_dynptr *sig_p,
struct bpf_key *trusted_keyring)
{
+ struct bpf_dynptr_kern *data_ptr = (struct bpf_dynptr_kern *)data_p;
+ struct bpf_dynptr_kern *sig_ptr = (struct bpf_dynptr_kern *)sig_p;
const void *data, *sig;
u32 data_len, sig_len;
int ret;
@@ -1444,7 +1446,7 @@ __bpf_kfunc_start_defs();
* bpf_get_file_xattr - get xattr of a file
* @file: file to get xattr from
* @name__str: name of the xattr
- * @value_ptr: output buffer of the xattr value
+ * @value_p: output buffer of the xattr value
*
* Get xattr *name__str* of *file* and store the output in *value_ptr*.
*
@@ -1453,8 +1455,9 @@ __bpf_kfunc_start_defs();
* Return: 0 on success, a negative value on error.
*/
__bpf_kfunc int bpf_get_file_xattr(struct file *file, const char *name__str,
- struct bpf_dynptr_kern *value_ptr)
+ struct bpf_dynptr *value_p)
{
+ struct bpf_dynptr_kern *value_ptr = (struct bpf_dynptr_kern *)value_p;
struct dentry *dentry;
u32 value_len;
void *value;
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-11 20:07:23 +0000