summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--include/linux/bpf.h20
-rw-r--r--include/uapi/linux/bpf.h8
-rw-r--r--kernel/bpf/helpers.c66
-rw-r--r--kernel/trace/bpf_trace.c46
-rw-r--r--tools/include/uapi/linux/bpf.h8
-rw-r--r--tools/testing/selftests/bpf/bpf_kfuncs.h12
-rw-r--r--tools/testing/selftests/bpf/progs/dynptr_success.c12
7 files changed, 86 insertions, 86 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index e53cda0aabb6..907c69295293 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -1387,19 +1387,19 @@ enum bpf_dynptr_type {
BPF_DYNPTR_TYPE_SKB_META,
};
-int bpf_dynptr_check_size(u32 size);
-u32 __bpf_dynptr_size(const struct bpf_dynptr_kern *ptr);
-const void *__bpf_dynptr_data(const struct bpf_dynptr_kern *ptr, u32 len);
-void *__bpf_dynptr_data_rw(const struct bpf_dynptr_kern *ptr, u32 len);
+int bpf_dynptr_check_size(u64 size);
+u64 __bpf_dynptr_size(const struct bpf_dynptr_kern *ptr);
+const void *__bpf_dynptr_data(const struct bpf_dynptr_kern *ptr, u64 len);
+void *__bpf_dynptr_data_rw(const struct bpf_dynptr_kern *ptr, u64 len);
bool __bpf_dynptr_is_rdonly(const struct bpf_dynptr_kern *ptr);
-int __bpf_dynptr_write(const struct bpf_dynptr_kern *dst, u32 offset,
- void *src, u32 len, u64 flags);
-void *bpf_dynptr_slice_rdwr(const struct bpf_dynptr *p, u32 offset,
- void *buffer__opt, u32 buffer__szk);
+int __bpf_dynptr_write(const struct bpf_dynptr_kern *dst, u64 offset,
+ void *src, u64 len, u64 flags);
+void *bpf_dynptr_slice_rdwr(const struct bpf_dynptr *p, u64 offset,
+ void *buffer__opt, u64 buffer__szk);
-static inline int bpf_dynptr_check_off_len(const struct bpf_dynptr_kern *ptr, u32 offset, u32 len)
+static inline int bpf_dynptr_check_off_len(const struct bpf_dynptr_kern *ptr, u64 offset, u64 len)
{
- u32 size = __bpf_dynptr_size(ptr);
+ u64 size = __bpf_dynptr_size(ptr);
if (len > size || offset > size - len)
return -E2BIG;
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 6829936d33f5..77edd0253989 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -5618,7 +5618,7 @@ union bpf_attr {
* Return
* *sk* if casting is valid, or **NULL** otherwise.
*
- * long bpf_dynptr_from_mem(void *data, u32 size, u64 flags, struct bpf_dynptr *ptr)
+ * long bpf_dynptr_from_mem(void *data, u64 size, u64 flags, struct bpf_dynptr *ptr)
* Description
* Get a dynptr to local memory *data*.
*
@@ -5661,7 +5661,7 @@ union bpf_attr {
* Return
* Nothing. Always succeeds.
*
- * long bpf_dynptr_read(void *dst, u32 len, const struct bpf_dynptr *src, u32 offset, u64 flags)
+ * long bpf_dynptr_read(void *dst, u64 len, const struct bpf_dynptr *src, u64 offset, u64 flags)
* Description
* Read *len* bytes from *src* into *dst*, starting from *offset*
* into *src*.
@@ -5671,7 +5671,7 @@ union bpf_attr {
* of *src*'s data, -EINVAL if *src* is an invalid dynptr or if
* *flags* is not 0.
*
- * long bpf_dynptr_write(const struct bpf_dynptr *dst, u32 offset, void *src, u32 len, u64 flags)
+ * long bpf_dynptr_write(const struct bpf_dynptr *dst, u64 offset, void *src, u64 len, u64 flags)
* Description
* Write *len* bytes from *src* into *dst*, starting from *offset*
* into *dst*.
@@ -5692,7 +5692,7 @@ union bpf_attr {
* is a read-only dynptr or if *flags* is not correct. For skb-type dynptrs,
* other errors correspond to errors returned by **bpf_skb_store_bytes**\ ().
*
- * void *bpf_dynptr_data(const struct bpf_dynptr *ptr, u32 offset, u32 len)
+ * void *bpf_dynptr_data(const struct bpf_dynptr *ptr, u64 offset, u64 len)
* Description
* Get a pointer to the underlying dynptr data.
*
diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c
index b9ec6ee21c94..a2ce17ea5edb 100644
--- a/kernel/bpf/helpers.c
+++ b/kernel/bpf/helpers.c
@@ -1684,19 +1684,19 @@ static enum bpf_dynptr_type bpf_dynptr_get_type(const struct bpf_dynptr_kern *pt
return (ptr->size & ~(DYNPTR_RDONLY_BIT)) >> DYNPTR_TYPE_SHIFT;
}
-u32 __bpf_dynptr_size(const struct bpf_dynptr_kern *ptr)
+u64 __bpf_dynptr_size(const struct bpf_dynptr_kern *ptr)
{
return ptr->size & DYNPTR_SIZE_MASK;
}
-static void bpf_dynptr_set_size(struct bpf_dynptr_kern *ptr, u32 new_size)
+static void bpf_dynptr_set_size(struct bpf_dynptr_kern *ptr, u64 new_size)
{
u32 metadata = ptr->size & ~DYNPTR_SIZE_MASK;
- ptr->size = new_size | metadata;
+ ptr->size = (u32)new_size | metadata;
}
-int bpf_dynptr_check_size(u32 size)
+int bpf_dynptr_check_size(u64 size)
{
return size > DYNPTR_MAX_SIZE ? -E2BIG : 0;
}
@@ -1715,7 +1715,7 @@ void bpf_dynptr_set_null(struct bpf_dynptr_kern *ptr)
memset(ptr, 0, sizeof(*ptr));
}
-BPF_CALL_4(bpf_dynptr_from_mem, void *, data, u32, size, u64, flags, struct bpf_dynptr_kern *, ptr)
+BPF_CALL_4(bpf_dynptr_from_mem, void *, data, u64, size, u64, flags, struct bpf_dynptr_kern *, ptr)
{
int err;
@@ -1750,8 +1750,8 @@ static const struct bpf_func_proto bpf_dynptr_from_mem_proto = {
.arg4_type = ARG_PTR_TO_DYNPTR | DYNPTR_TYPE_LOCAL | MEM_UNINIT | MEM_WRITE,
};
-static int __bpf_dynptr_read(void *dst, u32 len, const struct bpf_dynptr_kern *src,
- u32 offset, u64 flags)
+static int __bpf_dynptr_read(void *dst, u64 len, const struct bpf_dynptr_kern *src,
+ u64 offset, u64 flags)
{
enum bpf_dynptr_type type;
int err;
@@ -1787,8 +1787,8 @@ static int __bpf_dynptr_read(void *dst, u32 len, const struct bpf_dynptr_kern *s
}
}
-BPF_CALL_5(bpf_dynptr_read, void *, dst, u32, len, const struct bpf_dynptr_kern *, src,
- u32, offset, u64, flags)
+BPF_CALL_5(bpf_dynptr_read, void *, dst, u64, len, const struct bpf_dynptr_kern *, src,
+ u64, offset, u64, flags)
{
return __bpf_dynptr_read(dst, len, src, offset, flags);
}
@@ -1804,8 +1804,8 @@ static const struct bpf_func_proto bpf_dynptr_read_proto = {
.arg5_type = ARG_ANYTHING,
};
-int __bpf_dynptr_write(const struct bpf_dynptr_kern *dst, u32 offset, void *src,
- u32 len, u64 flags)
+int __bpf_dynptr_write(const struct bpf_dynptr_kern *dst, u64 offset, void *src,
+ u64 len, u64 flags)
{
enum bpf_dynptr_type type;
int err;
@@ -1848,8 +1848,8 @@ int __bpf_dynptr_write(const struct bpf_dynptr_kern *dst, u32 offset, void *src,
}
}
-BPF_CALL_5(bpf_dynptr_write, const struct bpf_dynptr_kern *, dst, u32, offset, void *, src,
- u32, len, u64, flags)
+BPF_CALL_5(bpf_dynptr_write, const struct bpf_dynptr_kern *, dst, u64, offset, void *, src,
+ u64, len, u64, flags)
{
return __bpf_dynptr_write(dst, offset, src, len, flags);
}
@@ -1865,7 +1865,7 @@ static const struct bpf_func_proto bpf_dynptr_write_proto = {
.arg5_type = ARG_ANYTHING,
};
-BPF_CALL_3(bpf_dynptr_data, const struct bpf_dynptr_kern *, ptr, u32, offset, u32, len)
+BPF_CALL_3(bpf_dynptr_data, const struct bpf_dynptr_kern *, ptr, u64, offset, u64, len)
{
enum bpf_dynptr_type type;
int err;
@@ -2680,12 +2680,12 @@ __bpf_kfunc struct task_struct *bpf_task_from_vpid(s32 vpid)
* provided buffer, with its contents containing the data, if unable to obtain
* direct pointer)
*/
-__bpf_kfunc void *bpf_dynptr_slice(const struct bpf_dynptr *p, u32 offset,
- void *buffer__opt, u32 buffer__szk)
+__bpf_kfunc void *bpf_dynptr_slice(const struct bpf_dynptr *p, u64 offset,
+ void *buffer__opt, u64 buffer__szk)
{
const struct bpf_dynptr_kern *ptr = (struct bpf_dynptr_kern *)p;
enum bpf_dynptr_type type;
- u32 len = buffer__szk;
+ u64 len = buffer__szk;
int err;
if (!ptr->data)
@@ -2767,8 +2767,8 @@ __bpf_kfunc void *bpf_dynptr_slice(const struct bpf_dynptr *p, 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 *p, u32 offset,
- void *buffer__opt, u32 buffer__szk)
+__bpf_kfunc void *bpf_dynptr_slice_rdwr(const struct bpf_dynptr *p, u64 offset,
+ void *buffer__opt, u64 buffer__szk)
{
const struct bpf_dynptr_kern *ptr = (struct bpf_dynptr_kern *)p;
@@ -2800,10 +2800,10 @@ __bpf_kfunc void *bpf_dynptr_slice_rdwr(const struct bpf_dynptr *p, u32 offset,
return bpf_dynptr_slice(p, offset, buffer__opt, buffer__szk);
}
-__bpf_kfunc int bpf_dynptr_adjust(const struct bpf_dynptr *p, u32 start, u32 end)
+__bpf_kfunc int bpf_dynptr_adjust(const struct bpf_dynptr *p, u64 start, u64 end)
{
struct bpf_dynptr_kern *ptr = (struct bpf_dynptr_kern *)p;
- u32 size;
+ u64 size;
if (!ptr->data || start > end)
return -EINVAL;
@@ -2836,7 +2836,7 @@ __bpf_kfunc bool bpf_dynptr_is_rdonly(const struct bpf_dynptr *p)
return __bpf_dynptr_is_rdonly(ptr);
}
-__bpf_kfunc __u32 bpf_dynptr_size(const struct bpf_dynptr *p)
+__bpf_kfunc u64 bpf_dynptr_size(const struct bpf_dynptr *p)
{
struct bpf_dynptr_kern *ptr = (struct bpf_dynptr_kern *)p;
@@ -2873,14 +2873,14 @@ __bpf_kfunc int bpf_dynptr_clone(const struct bpf_dynptr *p,
* Copies data from source dynptr to destination dynptr.
* Returns 0 on success; negative error, otherwise.
*/
-__bpf_kfunc int bpf_dynptr_copy(struct bpf_dynptr *dst_ptr, u32 dst_off,
- struct bpf_dynptr *src_ptr, u32 src_off, u32 size)
+__bpf_kfunc int bpf_dynptr_copy(struct bpf_dynptr *dst_ptr, u64 dst_off,
+ struct bpf_dynptr *src_ptr, u64 src_off, u64 size)
{
struct bpf_dynptr_kern *dst = (struct bpf_dynptr_kern *)dst_ptr;
struct bpf_dynptr_kern *src = (struct bpf_dynptr_kern *)src_ptr;
void *src_slice, *dst_slice;
char buf[256];
- u32 off;
+ u64 off;
src_slice = bpf_dynptr_slice(src_ptr, src_off, NULL, size);
dst_slice = bpf_dynptr_slice_rdwr(dst_ptr, dst_off, NULL, size);
@@ -2902,7 +2902,7 @@ __bpf_kfunc int bpf_dynptr_copy(struct bpf_dynptr *dst_ptr, u32 dst_off,
off = 0;
while (off < size) {
- u32 chunk_sz = min_t(u32, sizeof(buf), size - off);
+ u64 chunk_sz = min_t(u64, sizeof(buf), size - off);
int err;
err = __bpf_dynptr_read(buf, chunk_sz, src, src_off + off, 0);
@@ -2928,10 +2928,10 @@ __bpf_kfunc int bpf_dynptr_copy(struct bpf_dynptr *dst_ptr, u32 dst_off,
* at @offset with the constant byte @val.
* Returns 0 on success; negative error, otherwise.
*/
- __bpf_kfunc int bpf_dynptr_memset(struct bpf_dynptr *p, u32 offset, u32 size, u8 val)
- {
+__bpf_kfunc int bpf_dynptr_memset(struct bpf_dynptr *p, u64 offset, u64 size, u8 val)
+{
struct bpf_dynptr_kern *ptr = (struct bpf_dynptr_kern *)p;
- u32 chunk_sz, write_off;
+ u64 chunk_sz, write_off;
char buf[256];
void* slice;
int err;
@@ -2950,11 +2950,11 @@ __bpf_kfunc int bpf_dynptr_copy(struct bpf_dynptr *dst_ptr, u32 dst_off,
return err;
/* Non-linear data under the dynptr, write from a local buffer */
- chunk_sz = min_t(u32, sizeof(buf), size);
+ chunk_sz = min_t(u64, sizeof(buf), size);
memset(buf, val, chunk_sz);
for (write_off = 0; write_off < size; write_off += chunk_sz) {
- chunk_sz = min_t(u32, sizeof(buf), size - write_off);
+ chunk_sz = min_t(u64, sizeof(buf), size - write_off);
err = __bpf_dynptr_write(ptr, offset + write_off, buf, chunk_sz, 0);
if (err)
return err;
@@ -4469,7 +4469,7 @@ late_initcall(kfunc_init);
/* Get a pointer to dynptr data up to len bytes for read only access. If
* the dynptr doesn't have continuous data up to len bytes, return NULL.
*/
-const void *__bpf_dynptr_data(const struct bpf_dynptr_kern *ptr, u32 len)
+const void *__bpf_dynptr_data(const struct bpf_dynptr_kern *ptr, u64 len)
{
const struct bpf_dynptr *p = (struct bpf_dynptr *)ptr;
@@ -4480,7 +4480,7 @@ const void *__bpf_dynptr_data(const struct bpf_dynptr_kern *ptr, u32 len)
* the dynptr doesn't have continuous data up to len bytes, or the dynptr
* is read only, return NULL.
*/
-void *__bpf_dynptr_data_rw(const struct bpf_dynptr_kern *ptr, u32 len)
+void *__bpf_dynptr_data_rw(const struct bpf_dynptr_kern *ptr, u64 len)
{
if (__bpf_dynptr_is_rdonly(ptr))
return NULL;
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index 4f87c16d915a..a795f7afbf3d 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -3372,13 +3372,13 @@ typedef int (*copy_fn_t)(void *dst, const void *src, u32 size, struct task_struc
* direct calls into all the specific callback implementations
* (copy_user_data_sleepable, copy_user_data_nofault, and so on)
*/
-static __always_inline int __bpf_dynptr_copy_str(struct bpf_dynptr *dptr, u32 doff, u32 size,
+static __always_inline int __bpf_dynptr_copy_str(struct bpf_dynptr *dptr, u64 doff, u64 size,
const void *unsafe_src,
copy_fn_t str_copy_fn,
struct task_struct *tsk)
{
struct bpf_dynptr_kern *dst;
- u32 chunk_sz, off;
+ u64 chunk_sz, off;
void *dst_slice;
int cnt, err;
char buf[256];
@@ -3392,7 +3392,7 @@ static __always_inline int __bpf_dynptr_copy_str(struct bpf_dynptr *dptr, u32 do
return -E2BIG;
for (off = 0; off < size; off += chunk_sz - 1) {
- chunk_sz = min_t(u32, sizeof(buf), size - off);
+ chunk_sz = min_t(u64, sizeof(buf), size - off);
/* Expect str_copy_fn to return count of copied bytes, including
* zero terminator. Next iteration increment off by chunk_sz - 1 to
* overwrite NUL.
@@ -3409,14 +3409,14 @@ static __always_inline int __bpf_dynptr_copy_str(struct bpf_dynptr *dptr, u32 do
return off;
}
-static __always_inline int __bpf_dynptr_copy(const struct bpf_dynptr *dptr, u32 doff,
- u32 size, const void *unsafe_src,
+static __always_inline int __bpf_dynptr_copy(const struct bpf_dynptr *dptr, u64 doff,
+ u64 size, const void *unsafe_src,
copy_fn_t copy_fn, struct task_struct *tsk)
{
struct bpf_dynptr_kern *dst;
void *dst_slice;
char buf[256];
- u32 off, chunk_sz;
+ u64 off, chunk_sz;
int err;
dst_slice = bpf_dynptr_slice_rdwr(dptr, doff, NULL, size);
@@ -3428,7 +3428,7 @@ static __always_inline int __bpf_dynptr_copy(const struct bpf_dynptr *dptr, u32
return -E2BIG;
for (off = 0; off < size; off += chunk_sz) {
- chunk_sz = min_t(u32, sizeof(buf), size - off);
+ chunk_sz = min_t(u64, sizeof(buf), size - off);
err = copy_fn(buf, unsafe_src + off, chunk_sz, tsk);
if (err)
return err;
@@ -3514,58 +3514,58 @@ __bpf_kfunc int bpf_send_signal_task(struct task_struct *task, int sig, enum pid
return bpf_send_signal_common(sig, type, task, value);
}
-__bpf_kfunc int bpf_probe_read_user_dynptr(struct bpf_dynptr *dptr, u32 off,
- u32 size, const void __user *unsafe_ptr__ign)
+__bpf_kfunc int bpf_probe_read_user_dynptr(struct bpf_dynptr *dptr, u64 off,
+ u64 size, const void __user *unsafe_ptr__ign)
{
return __bpf_dynptr_copy(dptr, off, size, (const void *)unsafe_ptr__ign,
copy_user_data_nofault, NULL);
}
-__bpf_kfunc int bpf_probe_read_kernel_dynptr(struct bpf_dynptr *dptr, u32 off,
- u32 size, const void *unsafe_ptr__ign)
+__bpf_kfunc int bpf_probe_read_kernel_dynptr(struct bpf_dynptr *dptr, u64 off,
+ u64 size, const void *unsafe_ptr__ign)
{
return __bpf_dynptr_copy(dptr, off, size, unsafe_ptr__ign,
copy_kernel_data_nofault, NULL);
}
-__bpf_kfunc int bpf_probe_read_user_str_dynptr(struct bpf_dynptr *dptr, u32 off,
- u32 size, const void __user *unsafe_ptr__ign)
+__bpf_kfunc int bpf_probe_read_user_str_dynptr(struct bpf_dynptr *dptr, u64 off,
+ u64 size, const void __user *unsafe_ptr__ign)
{
return __bpf_dynptr_copy_str(dptr, off, size, (const void *)unsafe_ptr__ign,
copy_user_str_nofault, NULL);
}
-__bpf_kfunc int bpf_probe_read_kernel_str_dynptr(struct bpf_dynptr *dptr, u32 off,
- u32 size, const void *unsafe_ptr__ign)
+__bpf_kfunc int bpf_probe_read_kernel_str_dynptr(struct bpf_dynptr *dptr, u64 off,
+ u64 size, const void *unsafe_ptr__ign)
{
return __bpf_dynptr_copy_str(dptr, off, size, unsafe_ptr__ign,
copy_kernel_str_nofault, NULL);
}
-__bpf_kfunc int bpf_copy_from_user_dynptr(struct bpf_dynptr *dptr, u32 off,
- u32 size, const void __user *unsafe_ptr__ign)
+__bpf_kfunc int bpf_copy_from_user_dynptr(struct bpf_dynptr *dptr, u64 off,
+ u64 size, const void __user *unsafe_ptr__ign)
{
return __bpf_dynptr_copy(dptr, off, size, (const void *)unsafe_ptr__ign,
copy_user_data_sleepable, NULL);
}
-__bpf_kfunc int bpf_copy_from_user_str_dynptr(struct bpf_dynptr *dptr, u32 off,
- u32 size, const void __user *unsafe_ptr__ign)
+__bpf_kfunc int bpf_copy_from_user_str_dynptr(struct bpf_dynptr *dptr, u64 off,
+ u64 size, const void __user *unsafe_ptr__ign)
{
return __bpf_dynptr_copy_str(dptr, off, size, (const void *)unsafe_ptr__ign,
copy_user_str_sleepable, NULL);
}
-__bpf_kfunc int bpf_copy_from_user_task_dynptr(struct bpf_dynptr *dptr, u32 off,
- u32 size, const void __user *unsafe_ptr__ign,
+__bpf_kfunc int bpf_copy_from_user_task_dynptr(struct bpf_dynptr *dptr, u64 off,
+ u64 size, const void __user *unsafe_ptr__ign,
struct task_struct *tsk)
{
return __bpf_dynptr_copy(dptr, off, size, (const void *)unsafe_ptr__ign,
copy_user_data_sleepable, tsk);
}
-__bpf_kfunc int bpf_copy_from_user_task_str_dynptr(struct bpf_dynptr *dptr, u32 off,
- u32 size, const void __user *unsafe_ptr__ign,
+__bpf_kfunc int bpf_copy_from_user_task_str_dynptr(struct bpf_dynptr *dptr, u64 off,
+ u64 size, const void __user *unsafe_ptr__ign,
struct task_struct *tsk)
{
return __bpf_dynptr_copy_str(dptr, off, size, (const void *)unsafe_ptr__ign,
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 6829936d33f5..77edd0253989 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -5618,7 +5618,7 @@ union bpf_attr {
* Return
* *sk* if casting is valid, or **NULL** otherwise.
*
- * long bpf_dynptr_from_mem(void *data, u32 size, u64 flags, struct bpf_dynptr *ptr)
+ * long bpf_dynptr_from_mem(void *data, u64 size, u64 flags, struct bpf_dynptr *ptr)
* Description
* Get a dynptr to local memory *data*.
*
@@ -5661,7 +5661,7 @@ union bpf_attr {
* Return
* Nothing. Always succeeds.
*
- * long bpf_dynptr_read(void *dst, u32 len, const struct bpf_dynptr *src, u32 offset, u64 flags)
+ * long bpf_dynptr_read(void *dst, u64 len, const struct bpf_dynptr *src, u64 offset, u64 flags)
* Description
* Read *len* bytes from *src* into *dst*, starting from *offset*
* into *src*.
@@ -5671,7 +5671,7 @@ union bpf_attr {
* of *src*'s data, -EINVAL if *src* is an invalid dynptr or if
* *flags* is not 0.
*
- * long bpf_dynptr_write(const struct bpf_dynptr *dst, u32 offset, void *src, u32 len, u64 flags)
+ * long bpf_dynptr_write(const struct bpf_dynptr *dst, u64 offset, void *src, u64 len, u64 flags)
* Description
* Write *len* bytes from *src* into *dst*, starting from *offset*
* into *dst*.
@@ -5692,7 +5692,7 @@ union bpf_attr {
* is a read-only dynptr or if *flags* is not correct. For skb-type dynptrs,
* other errors correspond to errors returned by **bpf_skb_store_bytes**\ ().
*
- * void *bpf_dynptr_data(const struct bpf_dynptr *ptr, u32 offset, u32 len)
+ * void *bpf_dynptr_data(const struct bpf_dynptr *ptr, u64 offset, u64 len)
* Description
* Get a pointer to the underlying dynptr data.
*
diff --git a/tools/testing/selftests/bpf/bpf_kfuncs.h b/tools/testing/selftests/bpf/bpf_kfuncs.h
index 794d44d19c88..e0189254bb6e 100644
--- a/tools/testing/selftests/bpf/bpf_kfuncs.h
+++ b/tools/testing/selftests/bpf/bpf_kfuncs.h
@@ -28,8 +28,8 @@ extern int bpf_dynptr_from_skb_meta(struct __sk_buff *skb, __u64 flags,
* Either a direct pointer to the dynptr data or a pointer to the user-provided
* buffer if unable to obtain a direct pointer
*/
-extern void *bpf_dynptr_slice(const struct bpf_dynptr *ptr, __u32 offset,
- void *buffer, __u32 buffer__szk) __ksym __weak;
+extern void *bpf_dynptr_slice(const struct bpf_dynptr *ptr, __u64 offset,
+ void *buffer, __u64 buffer__szk) __ksym __weak;
/* Description
* Obtain a read-write pointer to the dynptr's data
@@ -37,13 +37,13 @@ extern void *bpf_dynptr_slice(const struct bpf_dynptr *ptr, __u32 offset,
* Either a direct pointer to the dynptr data or a pointer to the user-provided
* buffer if unable to obtain a direct pointer
*/
-extern void *bpf_dynptr_slice_rdwr(const struct bpf_dynptr *ptr, __u32 offset,
- void *buffer, __u32 buffer__szk) __ksym __weak;
+extern void *bpf_dynptr_slice_rdwr(const struct bpf_dynptr *ptr, __u64 offset, void *buffer,
+ __u64 buffer__szk) __ksym __weak;
-extern int bpf_dynptr_adjust(const struct bpf_dynptr *ptr, __u32 start, __u32 end) __ksym __weak;
+extern int bpf_dynptr_adjust(const struct bpf_dynptr *ptr, __u64 start, __u64 end) __ksym __weak;
extern bool bpf_dynptr_is_null(const struct bpf_dynptr *ptr) __ksym __weak;
extern bool bpf_dynptr_is_rdonly(const struct bpf_dynptr *ptr) __ksym __weak;
-extern __u32 bpf_dynptr_size(const struct bpf_dynptr *ptr) __ksym __weak;
+extern __u64 bpf_dynptr_size(const struct bpf_dynptr *ptr) __ksym __weak;
extern int bpf_dynptr_clone(const struct bpf_dynptr *ptr, struct bpf_dynptr *clone__init) __ksym __weak;
/* Description
diff --git a/tools/testing/selftests/bpf/progs/dynptr_success.c b/tools/testing/selftests/bpf/progs/dynptr_success.c
index 127dea342e5a..e0d672d93adf 100644
--- a/tools/testing/selftests/bpf/progs/dynptr_success.c
+++ b/tools/testing/selftests/bpf/progs/dynptr_success.c
@@ -914,8 +914,8 @@ void *user_ptr;
char expected_str[384];
__u32 test_len[7] = {0/* placeholder */, 0, 1, 2, 255, 256, 257};
-typedef int (*bpf_read_dynptr_fn_t)(struct bpf_dynptr *dptr, u32 off,
- u32 size, const void *unsafe_ptr);
+typedef int (*bpf_read_dynptr_fn_t)(struct bpf_dynptr *dptr, u64 off,
+ u64 size, const void *unsafe_ptr);
/* Returns the offset just before the end of the maximum sized xdp fragment.
* Any write larger than 32 bytes will be split between 2 fragments.
@@ -1106,16 +1106,16 @@ int test_copy_from_user_str_dynptr(void *ctx)
return 0;
}
-static int bpf_copy_data_from_user_task(struct bpf_dynptr *dptr, u32 off,
- u32 size, const void *unsafe_ptr)
+static int bpf_copy_data_from_user_task(struct bpf_dynptr *dptr, u64 off,
+ u64 size, const void *unsafe_ptr)
{
struct task_struct *task = bpf_get_current_task_btf();
return bpf_copy_from_user_task_dynptr(dptr, off, size, unsafe_ptr, task);
}
-static int bpf_copy_data_from_user_task_str(struct bpf_dynptr *dptr, u32 off,
- u32 size, const void *unsafe_ptr)
+static int bpf_copy_data_from_user_task_str(struct bpf_dynptr *dptr, u64 off,
+ u64 size, const void *unsafe_ptr)
{
struct task_struct *task = bpf_get_current_task_btf();
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-09 01:01:55 +0000