83 	struct bpf_prog_aux *aux;  in bpf_prog_alloc_no_stats()  local
91 	aux = kzalloc(sizeof(*aux), GFP_KERNEL_ACCOUNT | gfp_extra_flags);  in bpf_prog_alloc_no_stats()
92 	if (aux == NULL) {  in bpf_prog_alloc_no_stats()
99 		kfree(aux);  in bpf_prog_alloc_no_stats()
104 	fp->aux = aux;  in bpf_prog_alloc_no_stats()
105 	fp->aux->prog = fp;  in bpf_prog_alloc_no_stats()
108 	INIT_LIST_HEAD_RCU(&fp->aux->ksym.lnode);  in bpf_prog_alloc_no_stats()
109 	mutex_init(&fp->aux->used_maps_mutex);  in bpf_prog_alloc_no_stats()
110 	mutex_init(&fp->aux->dst_mutex);  in bpf_prog_alloc_no_stats()
128 		kfree(prog->aux);  in bpf_prog_alloc()
145 	if (!prog->aux->nr_linfo || !prog->jit_requested)  in bpf_prog_alloc_jited_linfo()
148 	prog->aux->jited_linfo = kvcalloc(prog->aux->nr_linfo,  in bpf_prog_alloc_jited_linfo()
149 					  sizeof(*prog->aux->jited_linfo),  in bpf_prog_alloc_jited_linfo()
151 	if (!prog->aux->jited_linfo)  in bpf_prog_alloc_jited_linfo()
159 	if (prog->aux->jited_linfo &&  in bpf_prog_jit_attempt_done()
160 	    (!prog->jited || !prog->aux->jited_linfo[0])) {  in bpf_prog_jit_attempt_done()
161 		kvfree(prog->aux->jited_linfo);  in bpf_prog_jit_attempt_done()
162 		prog->aux->jited_linfo = NULL;  in bpf_prog_jit_attempt_done()
165 	kfree(prog->aux->kfunc_tab);  in bpf_prog_jit_attempt_done()
166 	prog->aux->kfunc_tab = NULL;  in bpf_prog_jit_attempt_done()
200 	if (!prog->aux->jited_linfo)  in bpf_prog_fill_jited_linfo()
204 	linfo_idx = prog->aux->linfo_idx;  in bpf_prog_fill_jited_linfo()
205 	linfo = &prog->aux->linfo[linfo_idx];  in bpf_prog_fill_jited_linfo()
209 	jited_linfo = &prog->aux->jited_linfo[linfo_idx];  in bpf_prog_fill_jited_linfo()
212 	nr_linfo = prog->aux->nr_linfo - linfo_idx;  in bpf_prog_fill_jited_linfo()
238 		fp->aux->prog = fp;  in bpf_prog_realloc()
243 		fp_old->aux = NULL;  in bpf_prog_realloc()
254 	if (fp->aux) {  in __bpf_prog_free()
255 		mutex_destroy(&fp->aux->used_maps_mutex);  in __bpf_prog_free()
256 		mutex_destroy(&fp->aux->dst_mutex);  in __bpf_prog_free()
257 		kfree(fp->aux->poke_tab);  in __bpf_prog_free()
258 		kfree(fp->aux);  in __bpf_prog_free()
419 	nr_linfo = prog->aux->nr_linfo;  in bpf_adj_linfo()
423 	linfo = prog->aux->linfo;  in bpf_adj_linfo()
511 	for (i = 0; i < fp->aux->func_cnt; i++)  in bpf_prog_kallsyms_del_subprogs()
512 		bpf_prog_kallsyms_del(fp->aux->func[i]);  in bpf_prog_kallsyms_del_subprogs()
537 	prog->aux->ksym.start = (unsigned long) prog->bpf_func;  in bpf_prog_ksym_set_addr()
538 	prog->aux->ksym.end   = addr + hdr->pages * PAGE_SIZE;  in bpf_prog_ksym_set_addr()
544 	char *sym = prog->aux->ksym.name;  in bpf_prog_ksym_set_name()
558 		     sizeof(prog->aux->name) > KSYM_NAME_LEN);  in bpf_prog_ksym_set_name()
564 	if (prog->aux->func_info_cnt) {  in bpf_prog_ksym_set_name()
565 		type = btf_type_by_id(prog->aux->btf,  in bpf_prog_ksym_set_name()
566 				      prog->aux->func_info[prog->aux->func_idx].type_id);  in bpf_prog_ksym_set_name()
567 		func_name = btf_name_by_offset(prog->aux->btf, type->name_off);  in bpf_prog_ksym_set_name()
572 	if (prog->aux->name[0])  in bpf_prog_ksym_set_name()
573 		snprintf(sym, (size_t)(end - sym), "_%s", prog->aux->name);  in bpf_prog_ksym_set_name()
645 	return list_empty(&fp->aux->ksym.lnode) ||  in bpf_prog_kallsyms_verify_off()
646 	       fp->aux->ksym.lnode.prev == LIST_POISON2;  in bpf_prog_kallsyms_verify_off()
657 	fp->aux->ksym.prog = true;  in bpf_prog_kallsyms_add()
659 	bpf_ksym_add(&fp->aux->ksym);  in bpf_prog_kallsyms_add()
667 	bpf_ksym_del(&fp->aux->ksym);  in bpf_prog_kallsyms_del()
732 	if (!prog->aux->num_exentries)  in search_bpf_extables()
735 	e = search_extable(prog->aux->extable, prog->aux->num_exentries, addr);  in search_bpf_extables()
772 	struct bpf_jit_poke_descriptor *tab = prog->aux->poke_tab;  in bpf_jit_add_poke_descriptor()
774 	u32 slot = prog->aux->size_poke_tab;  in bpf_jit_add_poke_descriptor()
797 	prog->aux->size_poke_tab = size;  in bpf_jit_add_poke_descriptor()
798 	prog->aux->poke_tab = tab;  in bpf_jit_add_poke_descriptor()
937 		else if (prog->aux->func &&  in bpf_jit_get_func_addr()
938 			 off >= 0 && off < prog->aux->func_cnt)  in bpf_jit_get_func_addr()
939 			addr = (u8 *)prog->aux->func[off]->bpf_func;  in bpf_jit_get_func_addr()
956 			      const struct bpf_insn *aux,  in bpf_jit_blind_insn()  argument
1065 		*to++ = BPF_ALU64_IMM(BPF_MOV, BPF_REG_AX, imm_rnd ^ aux[1].imm);  in bpf_jit_blind_insn()
1068 		*to++ = BPF_ALU64_REG(BPF_MOV, aux[0].dst_reg, BPF_REG_AX);  in bpf_jit_blind_insn()
1071 		*to++ = BPF_ALU32_IMM(BPF_MOV, BPF_REG_AX, imm_rnd ^ aux[0].imm);  in bpf_jit_blind_insn()
1075 		*to++ = BPF_ALU64_REG(BPF_OR,  aux[0].dst_reg, BPF_REG_AX);  in bpf_jit_blind_insn()
1118 	fp->aux = NULL;  in bpf_prog_clone_free()
1129 	fp->aux->prog = fp;  in bpf_jit_prog_release_other()
1135 	struct bpf_insn insn_buff[16], aux[2];  in bpf_jit_blind_constants()  local
1158 			memcpy(aux, insn, sizeof(aux));  in bpf_jit_blind_constants()
1160 		rewritten = bpf_jit_blind_insn(insn, aux, insn_buff,  in bpf_jit_blind_constants()
1161 						clone->aux->verifier_zext);  in bpf_jit_blind_constants()
1831 	spin_lock(&array->aux->owner.lock);  in bpf_prog_array_compatible()
1833 	if (!array->aux->owner.type) {  in bpf_prog_array_compatible()
1837 		array->aux->owner.type  = fp->type;  in bpf_prog_array_compatible()
1838 		array->aux->owner.jited = fp->jited;  in bpf_prog_array_compatible()
1841 		ret = array->aux->owner.type  == fp->type &&  in bpf_prog_array_compatible()
1842 		      array->aux->owner.jited == fp->jited;  in bpf_prog_array_compatible()
1844 	spin_unlock(&array->aux->owner.lock);  in bpf_prog_array_compatible()
1850 	struct bpf_prog_aux *aux = fp->aux;  in bpf_check_tail_call()  local
1853 	mutex_lock(&aux->used_maps_mutex);  in bpf_check_tail_call()
1854 	for (i = 0; i < aux->used_map_cnt; i++) {  in bpf_check_tail_call()
1855 		struct bpf_map *map = aux->used_maps[i];  in bpf_check_tail_call()
1869 	mutex_unlock(&aux->used_maps_mutex);  in bpf_check_tail_call()
1876 	u32 stack_depth = max_t(u32, fp->aux->stack_depth, 1);  in bpf_prog_select_func()
1917 	if (!bpf_prog_is_dev_bound(fp->aux)) {  in bpf_prog_select_runtime()
2024 		prog_ids[i] = item->prog->aux->id;  in bpf_prog_array_copy_core()
2218 void __bpf_free_used_maps(struct bpf_prog_aux *aux,  in __bpf_free_used_maps()  argument
2227 			map->ops->map_poke_untrack(map, aux);  in __bpf_free_used_maps()
2232 static void bpf_free_used_maps(struct bpf_prog_aux *aux)  in bpf_free_used_maps()  argument
2234 	__bpf_free_used_maps(aux, aux->used_maps, aux->used_map_cnt);  in bpf_free_used_maps()
2235 	kfree(aux->used_maps);  in bpf_free_used_maps()
2238 void __bpf_free_used_btfs(struct bpf_prog_aux *aux,  in __bpf_free_used_btfs()  argument
2254 static void bpf_free_used_btfs(struct bpf_prog_aux *aux)  in bpf_free_used_btfs()  argument
2256 	__bpf_free_used_btfs(aux, aux->used_btfs, aux->used_btf_cnt);  in bpf_free_used_btfs()
2257 	kfree(aux->used_btfs);  in bpf_free_used_btfs()
2262 	struct bpf_prog_aux *aux;  in bpf_prog_free_deferred()  local
2265 	aux = container_of(work, struct bpf_prog_aux, work);  in bpf_prog_free_deferred()
2266 	bpf_free_used_maps(aux);  in bpf_prog_free_deferred()
2267 	bpf_free_used_btfs(aux);  in bpf_prog_free_deferred()
2268 	if (bpf_prog_is_dev_bound(aux))  in bpf_prog_free_deferred()
2269 		bpf_prog_offload_destroy(aux->prog);  in bpf_prog_free_deferred()
2271 	if (aux->prog->has_callchain_buf)  in bpf_prog_free_deferred()
2274 	if (aux->dst_trampoline)  in bpf_prog_free_deferred()
2275 		bpf_trampoline_put(aux->dst_trampoline);  in bpf_prog_free_deferred()
2276 	for (i = 0; i < aux->func_cnt; i++) {  in bpf_prog_free_deferred()
2281 		aux->func[i]->aux->poke_tab = NULL;  in bpf_prog_free_deferred()
2282 		bpf_jit_free(aux->func[i]);  in bpf_prog_free_deferred()
2284 	if (aux->func_cnt) {  in bpf_prog_free_deferred()
2285 		kfree(aux->func);  in bpf_prog_free_deferred()
2286 		bpf_prog_unlock_free(aux->prog);  in bpf_prog_free_deferred()
2288 		bpf_jit_free(aux->prog);  in bpf_prog_free_deferred()
2295 	struct bpf_prog_aux *aux = fp->aux;  in bpf_prog_free()  local
2297 	if (aux->dst_prog)  in bpf_prog_free()
2298 		bpf_prog_put(aux->dst_prog);  in bpf_prog_free()
2299 	INIT_WORK(&aux->work, bpf_prog_free_deferred);  in bpf_prog_free()
2300 	schedule_work(&aux->work);  in bpf_prog_free()