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Defined in 1 files as a function:

Referenced in 2 files:

Smatch caller information:

kernel/bpf/syscall.c generic_map_lookup_batch() -> bpf_map_check_op_flags()

Type Parameter Key Value
PARAM_VALUE 0 map 4096-ptr_max
PARAM_VALUE 2 allowed_flags 12
BUF_SIZE 0 map s32min-(-2),1-s32max
BUF_SIZE 0 map s32min-(-2),1-s32max
DATA_SOURCE 0 map $0

kernel/bpf/syscall.c generic_map_update_batch() -> bpf_map_check_op_flags()

Type Parameter Key Value
PARAM_VALUE 0 map 4096-ptr_max
PARAM_VALUE 2 allowed_flags 28
BUF_SIZE 0 map s32min-(-2),1-s32max
BUF_SIZE 0 map s32min-(-2),1-s32max
DATA_SOURCE 0 map $0

kernel/bpf/syscall.c map_lookup_elem() -> bpf_map_check_op_flags()

Type Parameter Key Value
PARAM_VALUE 0 map 4096-ptr_max
PARAM_VALUE 2 allowed_flags 12
BUF_SIZE 0 map s32min-(-2),1-s32max
BUF_SIZE 0 map s32min-(-2),1-s32max
DATA_SOURCE 0 map r __bpf_map_get
USER_DATA 1 flags 0-u64max

kernel/bpf/syscall.c map_update_elem() -> bpf_map_check_op_flags()

Type Parameter Key Value
PARAM_VALUE 0 map 4096-ptr_max
PARAM_VALUE 2 allowed_flags u64max
BUF_SIZE 0 map s32min-(-2),1-s32max
BUF_SIZE 0 map s32min-(-2),1-s32max
DATA_SOURCE 0 map r __bpf_map_get
USER_DATA 1 flags 0-u64max

kernel/bpf/hashtab.c __htab_map_lookup_and_delete_batch() -> bpf_map_check_op_flags()

Type Parameter Key Value
PARAM_VALUE 0 map 4096-ptr_max
PARAM_VALUE 2 allowed_flags 4,12
BUF_SIZE 0 map s32min-(-2),1-s32max
BUF_SIZE 0 map s32min-(-2),1-s32max
DATA_SOURCE 0 map $0
FUZZY_MAX 2 allowed_flags 4
BIT_INFO 2 allowed_flags 0x4,0xc
BIT_INFO 2 allowed_flags 0x4,0xc

kernel/bpf/hashtab.c __rhtab_map_lookup_and_delete_batch() -> bpf_map_check_op_flags()

Type Parameter Key Value
PARAM_VALUE 0 map 4096-ptr_max
PARAM_VALUE 2 allowed_flags 4
BUF_SIZE 0 map s32min-(-2),1-s32max
BUF_SIZE 0 map s32min-(-2),1-s32max
DATA_SOURCE 0 map $0

kernel/bpf/hashtab.c rhtab_map_lookup_and_delete_elem() -> bpf_map_check_op_flags()

Type Parameter Key Value
PARAM_VALUE 0 map 4096-ptr_max
PARAM_VALUE 0 map->map_type 1,5,7,9-10,35
PARAM_VALUE 1 flags 1-6
PARAM_VALUE 2 allowed_flags 4
BUF_SIZE 0 map s32min-(-2),1-s32max
BUF_SIZE 0 map s32min-(-2),1-s32max
CAPPED_DATA 0 map->key_size 1
DATA_SOURCE 0 map $0
DATA_SOURCE 1 flags $3
BIT_INFO 0 map->map_type 0x0,0x2f
BIT_INFO 1 flags 0x0,0x4
BIT_INFO 1 flags 0x0,0x4
LOCK2 rcu_read