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Documented in 1 files:

Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 8 files:

Smatch caller information:

kernel/trace/trace_fprobe.c probe_mem_read_user() -> copy_from_user_nofault()

Type Parameter Key Value
PARAM_VALUE 1 src 4096-ptr_max
BUF_SIZE 0 dst (-1),8
BUF_SIZE 0 dst (-1),8
DATA_SOURCE 0 dst $0
DATA_SOURCE 1 src $1
DATA_SOURCE 2 size $2
UNITS 0 dst unit_byte
UNITS 1 src unit_byte
UNITS 2 size unit_byte
HALF_LOCKED2 rcu_read

kernel/trace/bpf_trace.c bpf_probe_read_user_common() -> copy_from_user_nofault()

Type Parameter Key Value
DATA_SOURCE 0 dst $0
DATA_SOURCE 1 src $2
DATA_SOURCE 2 size $1

kernel/trace/bpf_trace.c copy_user_data_nofault() -> copy_from_user_nofault()

Type Parameter Key Value
PARAM_VALUE 0 dst 1-u64max
BUF_SIZE 0 dst (-1),256
BUF_SIZE 0 dst (-1),256
DATA_SOURCE 0 dst $0
DATA_SOURCE 1 src $1
DATA_SOURCE 2 size $2
UNITS 2 size unit_byte
USER_PTR 0 dst

kernel/trace/trace_eprobe.c probe_mem_read_user() -> copy_from_user_nofault()

Type Parameter Key Value
PARAM_VALUE 1 src 4096-ptr_max
BUF_SIZE 0 dst (-1),8
BUF_SIZE 0 dst (-1),8
DATA_SOURCE 0 dst $0
DATA_SOURCE 1 src $1
DATA_SOURCE 2 size $2
RX_PATH
TASK_NOT_RUNNING
UNITS 0 dst unit_byte
UNITS 1 src unit_byte
UNITS 2 size unit_byte

kernel/trace/trace_kprobe.c probe_mem_read_user() -> copy_from_user_nofault()

Type Parameter Key Value
PARAM_VALUE 1 src 4096-ptr_max
BUF_SIZE 0 dst (-1),8
BUF_SIZE 0 dst (-1),8
DATA_SOURCE 0 dst $0
DATA_SOURCE 1 src $1
DATA_SOURCE 2 size $2
UNITS 0 dst unit_byte
UNITS 1 src unit_byte
UNITS 2 size unit_byte