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Defined in 1 files as a function:

Referenced in 5 files:

Smatch caller information:

kernel/bpf/bpf_iter.c bpf_iter_link_attach() -> copy_from_bpfptr()

Type Parameter Key Value
PARAM_VALUE 0 dst 5086374328987889664
PARAM_VALUE 2 size 0-16
BUF_SIZE 0 dst 16
CAPPED_DATA 2 size 1
DATA_SOURCE 1 src r make_bpfptr
BIT_INFO 1 src 0x0,0x0
NO_OVERFLOW_SIMPLE 2 size
UNITS 2 size unit_byte

kernel/bpf/syscall.c __sys_bpf() -> copy_from_bpfptr()

Type Parameter Key Value
PARAM_VALUE 0 dst 8585101116583235584
PARAM_VALUE 2 size 0-168
BUF_SIZE 0 dst 168
CAPPED_DATA 2 size 1
DATA_SOURCE 1 src $1
DATA_SOURCE 2 size $2 [m]
BIT_INFO 1 src 0x0,0x0
USER_DATA 2 size 0-167[c]
UNITS 2 size unit_byte

kernel/bpf/syscall.c __sys_bpf() -> copy_from_bpfptr()

Type Parameter Key Value
PARAM_VALUE 0 dst 1521956271005634560
PARAM_VALUE 2 size 0-24
BUF_SIZE 0 dst 24
CAPPED_DATA 2 size 1
DATA_SOURCE 1 src $3
DATA_SOURCE 2 size $4 [m]
BIT_INFO 1 src 0x0,0x0
MEM_ZERO 0 dst
USER_DATA 2 size 0-23[c]
UNITS 2 size unit_byte

kernel/bpf/syscall.c bpf_prog_load() -> copy_from_bpfptr()

Type Parameter Key Value
PARAM_VALUE 2 size 8-8000000
CAPPED_DATA 2 size 1
BIT_INFO 1 src 0x0,0x0
BIT_INFO 2 size 0x0,0x7fffff

kernel/bpf/syscall.c kvmemdup_bpfptr_noprof() -> copy_from_bpfptr()

Type Parameter Key Value
PARAM_VALUE 0 dst 1-18446744073709551614
BUF_SIZE 0 dst 0-u64max
DATA_SOURCE 0 dst r __kvmalloc_node_noprof
DATA_SOURCE 1 src $0
DATA_SOURCE 2 size $1
PARAM_COMPARE 0 dst == $2
BIT_INFO 1 src 0x0,0x0
UNITS 2 size unit_byte
BYTE_COUNT 0 ==dst2 8050

kernel/bpf/syscall.c map_create_alloc() -> copy_from_bpfptr()

Type Parameter Key Value
PARAM_VALUE 0 dst 4096-ptr_max
PARAM_VALUE 2 size 32
BUF_SIZE 0 dst 32
DATA_SOURCE 0 dst r _kzalloc_noprof
DATA_SOURCE 1 src r make_bpfptr
BIT_INFO 1 src 0x0,0x0

kernel/bpf/btf.c btf_parse() -> copy_from_bpfptr()

Type Parameter Key Value
PARAM_VALUE 0 dst 1-18446744073709551614
PARAM_VALUE 2 size 0-16777216
BUF_SIZE 0 dst 0-16777216
CAPPED_DATA 2 size 1
DATA_SOURCE 0 dst r __kvmalloc_node_noprof
DATA_SOURCE 1 src r make_bpfptr
FUZZY_MAX 2 size 16777216
BIT_INFO 1 src 0x0,0x0
UNITS 2 size unit_byte
BYTE_COUNT 0 ==dst2 8050

kernel/bpf/check_btf.c check_btf_line() -> copy_from_bpfptr()

Type Parameter Key Value
PARAM_VALUE 0 dst 4096-ptr_max
PARAM_VALUE 2 size 16
DATA_SOURCE 1 src r make_bpfptr
BIT_INFO 1 src 0x0,0x0
UNITS 2 size unit_byte

kernel/bpf/check_btf.c check_core_relo() -> copy_from_bpfptr()

Type Parameter Key Value
PARAM_VALUE 0 dst 1120792129295384576
PARAM_VALUE 2 size 16
BUF_SIZE 0 dst 16
DATA_SOURCE 1 src r make_bpfptr
BIT_INFO 1 src 0x0,0x0
UNITS 2 size unit_byte

kernel/bpf/check_btf.c prepare_btf_func() -> copy_from_bpfptr()

Type Parameter Key Value
PARAM_VALUE 0 dst 4096-ptr_max
PARAM_VALUE 2 size 8
DATA_SOURCE 1 src r make_bpfptr
BIT_INFO 1 src 0x0,0x0
UNITS 2 size unit_byte

kernel/bpf/verifier.c kvmemdup_bpfptr_noprof() -> copy_from_bpfptr()

Type Parameter Key Value
PARAM_VALUE 0 dst 1-18446744073709551614
PARAM_VALUE 2 size 1-8192
BUF_SIZE 0 dst 1-8192
BUF_SIZE 0 dst 1-8192
CAPPED_DATA 2 size 1
CAPPED_DATA 2 size 1
DATA_SOURCE 0 dst r __kvmalloc_node_noprof
DATA_SOURCE 1 src $0
DATA_SOURCE 2 size $1
FUZZY_MAX 2 size 8192
PARAM_COMPARE 0 dst == $2
BIT_INFO 1 src 0x0,0x0
UNITS 2 size unit_byte
BYTE_COUNT 0 ==dst2 8050