a06ec54cd0
without UBSan
```
text data bss dec hex filename
85612 208 142258 228078 37aee nuttx
```
with UBSan:
```
text data bss dec hex filename
194290 98164 208634 501088 7a560 nuttx
```
```c
int main(int argc, FAR char *argv[])
{
uint32_t ptr[32];
printf("Hello, World!! %lu\n", ptr[64]);
return 0;
}
```
Try to run this sample:
```
nsh> hello
ubsan_prologue: ================================================================================
ubsan_prologue: UBSAN: array-index-out-of-bounds in hello_main.c:39:37
__ubsan_handle_out_of_bounds: index 64 is out of range for type 'uint32_t [32]'
ubsan_epilogue: ================================================================================
Hello, World!! 1070182368
nsh>
```
Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
127 lines
3.0 KiB
C
127 lines
3.0 KiB
C
/****************************************************************************
|
|
* mm/ubsan/ubsan.h
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef __MM_UBSAN_UBSAN_H
|
|
#define __MM_UBSAN_UBSAN_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <stdint.h>
|
|
|
|
/****************************************************************************
|
|
* Public Types
|
|
****************************************************************************/
|
|
|
|
enum type_kind_e
|
|
{
|
|
TYPE_KIND_INT = 0,
|
|
TYPE_KIND_FLOAT = 1,
|
|
TYPE_KIND_UNKNOWN = 0xffff
|
|
};
|
|
|
|
struct type_descriptor
|
|
{
|
|
uint16_t type_kind;
|
|
uint16_t type_info;
|
|
char type_name[1];
|
|
};
|
|
|
|
struct source_location
|
|
{
|
|
FAR const char *file_name;
|
|
union
|
|
{
|
|
unsigned long reported;
|
|
struct
|
|
{
|
|
uint32_t line;
|
|
uint32_t column;
|
|
};
|
|
};
|
|
};
|
|
|
|
struct overflow_data
|
|
{
|
|
struct source_location location;
|
|
FAR struct type_descriptor *type;
|
|
};
|
|
|
|
struct type_mismatch_data
|
|
{
|
|
struct source_location location;
|
|
FAR struct type_descriptor *type;
|
|
unsigned long alignment;
|
|
unsigned char type_check_kind;
|
|
};
|
|
|
|
struct type_mismatch_data_v1
|
|
{
|
|
struct source_location location;
|
|
FAR struct type_descriptor *type;
|
|
unsigned char log_alignment;
|
|
unsigned char type_check_kind;
|
|
};
|
|
|
|
struct type_mismatch_data_common
|
|
{
|
|
FAR struct source_location *location;
|
|
FAR struct type_descriptor *type;
|
|
unsigned long alignment;
|
|
unsigned char type_check_kind;
|
|
};
|
|
|
|
struct nonnull_arg_data
|
|
{
|
|
struct source_location location;
|
|
struct source_location attr_location;
|
|
int arg_index;
|
|
};
|
|
|
|
struct out_of_bounds_data
|
|
{
|
|
struct source_location location;
|
|
FAR struct type_descriptor *array_type;
|
|
FAR struct type_descriptor *index_type;
|
|
};
|
|
|
|
struct shift_out_of_bounds_data
|
|
{
|
|
struct source_location location;
|
|
FAR struct type_descriptor *lhs_type;
|
|
FAR struct type_descriptor *rhs_type;
|
|
};
|
|
|
|
struct invalid_value_data
|
|
{
|
|
struct source_location location;
|
|
FAR struct type_descriptor *type;
|
|
};
|
|
|
|
struct alignment_assumption_data
|
|
{
|
|
struct source_location location;
|
|
struct source_location assumption_location;
|
|
FAR struct type_descriptor *type;
|
|
};
|
|
|
|
#endif /* __MM_UBSAN_UBSAN_H */
|