358 __printf(2, 3) void bpf_log(struct bpf_verifier_log *log,  in bpf_log()  function
13348 		bpf_log(log, "Tracing programs must provide btf_id\n");  in bpf_check_attach_target()
13353 		bpf_log(log,  in bpf_check_attach_target()
13359 		bpf_log(log, "attach_btf_id %u is invalid\n", btf_id);  in bpf_check_attach_target()
13364 		bpf_log(log, "attach_btf_id %u doesn't have a name\n", btf_id);  in bpf_check_attach_target()
13376 			bpf_log(log, "Subprog %s doesn't exist\n", tname);  in bpf_check_attach_target()
13382 				bpf_log(log,  in bpf_check_attach_target()
13387 				bpf_log(log,  in bpf_check_attach_target()
13393 			bpf_log(log, "Can attach to only JITed progs\n");  in bpf_check_attach_target()
13401 			bpf_log(log, "Cannot recursively attach\n");  in bpf_check_attach_target()
13423 			bpf_log(log, "Cannot extend fentry/fexit\n");  in bpf_check_attach_target()
13428 			bpf_log(log, "Cannot replace kernel functions\n");  in bpf_check_attach_target()
13436 			bpf_log(log,  in bpf_check_attach_target()
13441 			bpf_log(log, "attach_btf_id %u is not a typedef\n",  in bpf_check_attach_target()
13446 			bpf_log(log, "attach_btf_id %u points to wrong type name %s\n",  in bpf_check_attach_target()
13463 			bpf_log(log, "attach_btf_id %u is not a function\n",  in bpf_check_attach_target()
13483 			bpf_log(log, "attach_btf_id %u is not a function\n",  in bpf_check_attach_target()
13514 				bpf_log(log,  in bpf_check_attach_target()
13543 				bpf_log(log, "%s is not sleepable\n", tname);  in bpf_check_attach_target()
13548 				bpf_log(log, "can't modify return codes of BPF programs\n");  in bpf_check_attach_target()
13553 				bpf_log(log, "%s() is not modifiable\n", tname);  in bpf_check_attach_target()