1011 static void *copy_array(void *dst, const void *src, size_t n, size_t size, gfp_t flags)  in copy_array()  argument
1014 	void *orig = dst;  in copy_array()
1024 	dst = krealloc(orig, alloc_bytes, flags);  in copy_array()
1025 	if (!dst) {  in copy_array()
1030 	memcpy(dst, src, bytes);  in copy_array()
1032 	return dst ? dst : ZERO_SIZE_PTR;  in copy_array()
1063 static int copy_reference_state(struct bpf_func_state *dst, const struct bpf_func_state *src)  in copy_reference_state()  argument
1065 	dst->refs = copy_array(dst->refs, src->refs, src->acquired_refs,  in copy_reference_state()
1067 	if (!dst->refs)  in copy_reference_state()
1070 	dst->acquired_refs = src->acquired_refs;  in copy_reference_state()
1074 static int copy_stack_state(struct bpf_func_state *dst, const struct bpf_func_state *src)  in copy_stack_state()  argument
1078 	dst->stack = copy_array(dst->stack, src->stack, n, sizeof(struct bpf_stack_state),  in copy_stack_state()
1080 	if (!dst->stack)  in copy_stack_state()
1083 	dst->allocated_stack = src->allocated_stack;  in copy_stack_state()
1190 static int copy_func_state(struct bpf_func_state *dst,  in copy_func_state()  argument
1195 	memcpy(dst, src, offsetof(struct bpf_func_state, acquired_refs));  in copy_func_state()
1196 	err = copy_reference_state(dst, src);  in copy_func_state()
1199 	return copy_stack_state(dst, src);  in copy_func_state()
1205 	struct bpf_func_state *dst;  in copy_verifier_state()  local
1228 		dst = dst_state->frame[i];  in copy_verifier_state()
1229 		if (!dst) {  in copy_verifier_state()
1230 			dst = kzalloc(sizeof(*dst), GFP_KERNEL);  in copy_verifier_state()
1231 			if (!dst)  in copy_verifier_state()
1233 			dst_state->frame[i] = dst;  in copy_verifier_state()
1235 		err = copy_func_state(dst, src->frame[i]);  in copy_verifier_state()
3215 static void copy_register_state(struct bpf_reg_state *dst, const struct bpf_reg_state *src)  in copy_register_state()  argument
3217 	struct bpf_reg_state *parent = dst->parent;  in copy_register_state()
3218 	enum bpf_reg_liveness live = dst->live;  in copy_register_state()
3220 	*dst = *src;  in copy_register_state()
3221 	dst->parent = parent;  in copy_register_state()
3222 	dst->live = live;  in copy_register_state()
8376 	u32 dst = insn->dst_reg, src = insn->src_reg;  in sanitize_err()  local
8381 			off_reg == dst_reg ? dst : src, err);  in sanitize_err()
8385 			off_reg == dst_reg ? src : dst, err);  in sanitize_err()
8389 			dst, op, err);  in sanitize_err()
8393 			dst, op, err);  in sanitize_err()
8397 			dst, err);  in sanitize_err()
8446 	u32 dst = insn->dst_reg;  in sanitize_check_bounds()  local
8456 		if (check_stack_access_for_ptr_arithmetic(env, dst, dst_reg,  in sanitize_check_bounds()
8461 		if (check_map_access(env, dst, dst_reg->off, 1, false, ACCESS_HELPER)) {  in sanitize_check_bounds()
8463 				"prohibited for !root\n", dst);  in sanitize_check_bounds()
8494 	u32 dst = insn->dst_reg;  in adjust_ptr_min_max_vals()  local
8497 	dst_reg = &regs[dst];  in adjust_ptr_min_max_vals()
8517 			dst);  in adjust_ptr_min_max_vals()
8523 			dst, reg_type_str(env, ptr_reg->type));  in adjust_ptr_min_max_vals()
8543 			dst, reg_type_str(env, ptr_reg->type));  in adjust_ptr_min_max_vals()
8624 				dst);  in adjust_ptr_min_max_vals()
8633 				dst);  in adjust_ptr_min_max_vals()
8685 			dst, bpf_alu_string[opcode >> 4]);  in adjust_ptr_min_max_vals()
8690 			dst, bpf_alu_string[opcode >> 4]);  in adjust_ptr_min_max_vals()