Commit Graph

6 Commits

Author SHA1 Message Date
Huang Qi aba0a25524 ubsan: Implement __ubsan_handle_invalid_builtin
Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
2023-03-06 13:43:08 +02:00
chao an 415fa25eb7 mm/ubsan: fix build warning
ubsan/ubsan.c: In function ‘get_signed_val’:
ubsan/ubsan.c:162:22: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
  162 |       uint64_t ret = (uint64_t)val & mask;
      |

Signed-off-by: chao an <anchao@xiaomi.com>
2022-12-05 14:06:27 +08:00
Fotis Panagiotopoulos c22c07ba29 Minor fix in UBSan. 2022-10-13 17:06:10 +02:00
Fotis Panagiotopoulos eec7f5da00 Fixed undefined behavior in UBSan. 2022-10-13 01:40:32 +08:00
Fotis Panagiotopoulos 484bdc54d3 Fixed warnings in various prints. 2022-08-30 22:53:01 +08:00
Huang Qi a06ec54cd0 debug: Introduce portion of UBSan
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>
2022-08-22 13:57:29 +08:00