336 __printf(2, 3) void bpf_log(struct bpf_verifier_log *log,  in bpf_log()  function
11516 		bpf_log(log, "Tracing programs must provide btf_id\n");  in bpf_check_attach_target()
11521 		bpf_log(log,  in bpf_check_attach_target()
11527 		bpf_log(log, "attach_btf_id %u is invalid\n", btf_id);  in bpf_check_attach_target()
11532 		bpf_log(log, "attach_btf_id %u doesn't have a name\n", btf_id);  in bpf_check_attach_target()
11544 			bpf_log(log, "Subprog %s doesn't exist\n", tname);  in bpf_check_attach_target()
11550 				bpf_log(log,  in bpf_check_attach_target()
11555 				bpf_log(log,  in bpf_check_attach_target()
11561 			bpf_log(log, "Can attach to only JITed progs\n");  in bpf_check_attach_target()
11569 			bpf_log(log, "Cannot recursively attach\n");  in bpf_check_attach_target()
11591 			bpf_log(log, "Cannot extend fentry/fexit\n");  in bpf_check_attach_target()
11596 			bpf_log(log, "Cannot replace kernel functions\n");  in bpf_check_attach_target()
11604 			bpf_log(log,  in bpf_check_attach_target()
11609 			bpf_log(log, "attach_btf_id %u is not a typedef\n",  in bpf_check_attach_target()
11614 			bpf_log(log, "attach_btf_id %u points to wrong type name %s\n",  in bpf_check_attach_target()
11631 			bpf_log(log, "attach_btf_id %u is not a function\n",  in bpf_check_attach_target()
11651 			bpf_log(log, "attach_btf_id %u is not a function\n",  in bpf_check_attach_target()
11682 				bpf_log(log,  in bpf_check_attach_target()
11711 				bpf_log(log, "%s is not sleepable\n", tname);  in bpf_check_attach_target()
11716 				bpf_log(log, "can't modify return codes of BPF programs\n");  in bpf_check_attach_target()
11721 				bpf_log(log, "%s() is not modifiable\n", tname);  in bpf_check_attach_target()