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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 2 files:

Smatch caller information:

kernel/bpf/cfg.c visit_insn() -> bpf_fetch_kfunc_arg_meta()

Type Parameter Key Value
PARAM_VALUE 0 env 4096-ptr_max
PARAM_VALUE 0 env->cfg.cur_stack 1-s32max
PARAM_VALUE 0 env->cfg.insn_stack 4096-ptr_max
PARAM_VALUE 0 env->cfg.insn_state 4096-ptr_max
PARAM_VALUE 0 env->prog 4096-ptr_max
PARAM_VALUE 0 env->prog->aux->kfunc_btf_tab->nr_descs 0-4294967295
PARAM_VALUE 0 env->prog->insnsi 4096-ptr_max
PARAM_VALUE 3 meta 6063676267298779136
DATA_SOURCE 0 env $1
FUZZY_MAX 0 env->cfg.cur_stack 1

kernel/bpf/verifier.c bpf_get_call_summary() -> bpf_fetch_kfunc_arg_meta()

Type Parameter Key Value
PARAM_VALUE 0 env 4096-ptr_max
PARAM_VALUE 0 env->prog 4096-ptr_max
PARAM_VALUE 0 env->subprog_info->exit_idx 0-4294967295
PARAM_VALUE 0 env->subprog_info->priv_stack_mode 0-4294967295
PARAM_VALUE 0 *env->succ->items 0-4294967295
PARAM_VALUE 3 meta 4778454182154661888
DATA_SOURCE 0 env $0
NO_OVERFLOW_SIMPLE 0 env->log.kbuf
NO_OVERFLOW_SIMPLE 0 env->subprog_cnt
NO_OVERFLOW_SIMPLE 0 env->tmp_str_buf

kernel/bpf/verifier.c bpf_kfunc_stack_access_bytes() -> bpf_fetch_kfunc_arg_meta()

Type Parameter Key Value
PARAM_VALUE 0 env 4096-ptr_max
PARAM_VALUE 0 env->cfg.insn_postorder 4096-ptr_max
PARAM_VALUE 0 env->insn_aux_data 4096-ptr_max
PARAM_VALUE 0 env->liveness 4096-ptr_max
PARAM_VALUE 0 env->liveness->live_stack_query.curframe 0-4294967294
PARAM_VALUE 0 env->liveness->subprog_calls 0-10000
PARAM_VALUE 0 env->prog 4096-ptr_max
PARAM_VALUE 0 env->prog->insnsi 4096-ptr_max
PARAM_VALUE 0 env->subprog_info 4096-ptr_max
PARAM_VALUE 0 env->subprog_info->args_cached 0-1
PARAM_VALUE 0 env->subprog_info->changes_pkt_data 0-1
PARAM_VALUE 0 env->subprog_info->exit_idx 0-4294967295
PARAM_VALUE 0 env->subprog_info->has_ld_abs 0-1
PARAM_VALUE 0 env->subprog_info->has_tail_call 0-1
PARAM_VALUE 0 env->subprog_info->insn_processed 0-4294967295
PARAM_VALUE 0 env->subprog_info->is_async_cb 0-1
PARAM_VALUE 0 env->subprog_info->is_cb 0-1
PARAM_VALUE 0 env->subprog_info->is_exception_cb 0-1
PARAM_VALUE 0 env->subprog_info->keep_fastcall_stack 0-1
PARAM_VALUE 0 env->subprog_info->max_out_stack_arg_cnt 0-u16max
PARAM_VALUE 0 env->subprog_info->might_sleep 0-1
PARAM_VALUE 0 env->subprog_info->might_throw 0-1
PARAM_VALUE 0 env->subprog_info->priv_stack_mode 0-4294967295
PARAM_VALUE 0 env->subprog_info->stack_arg_cnt 0-u16max
PARAM_VALUE 0 env->subprog_info->tail_call_reachable 0-1
PARAM_VALUE 0 *env->succ->items 0-4294967295
PARAM_VALUE 0 *env->tmp_str_buf 0-255
PARAM_VALUE 3 meta 3022389320403468288
DATA_SOURCE 0 env $0
FUZZY_MAX 0 env->liveness->subprog_calls 10000
HARD_MAX 0 env->liveness->subprog_calls 10000
NO_OVERFLOW_SIMPLE 0 env->log.kbuf
NO_OVERFLOW_SIMPLE 0 env->subprog_cnt
NO_OVERFLOW_SIMPLE 0 env->tmp_str_buf

kernel/bpf/verifier.c check_kfunc_call() -> bpf_fetch_kfunc_arg_meta()

Type Parameter Key Value
PARAM_VALUE 0 env 4096-ptr_max
PARAM_VALUE 0 env->cur_state 4096-ptr_max
PARAM_VALUE 0 env->prog 4096-ptr_max
PARAM_VALUE 1 func_id s32min-(-1),1-s32max
PARAM_VALUE 3 meta 5112478544311123968
DATA_SOURCE 0 env $0