* @brief Validate an ELF program header. * * @param phdr Pointer to the ELF program header to validate. * @return RT_EOK if valid, -RT_ERROR if invalid. */
| 310 | * @return RT_EOK if valid, -RT_ERROR if invalid. |
| 311 | */ |
| 312 | static int elf_check_phdr(const Elf_Phdr *phdr) |
| 313 | { |
| 314 | if (phdr->p_filesz > FILE_LENGTH_MAX) |
| 315 | { |
| 316 | LOG_E("%s : phdr p_filesz 0x%x error", __func__, phdr->p_filesz); |
| 317 | return -RT_ERROR; |
| 318 | } |
| 319 | |
| 320 | if (phdr->p_offset > FILE_LENGTH_MAX) |
| 321 | { |
| 322 | LOG_E("%s : phdr p_offset 0x%x error", __func__, phdr->p_offset); |
| 323 | return -RT_ERROR; |
| 324 | } |
| 325 | |
| 326 | if (phdr->p_memsz > MEM_SIZE_MAX) |
| 327 | { |
| 328 | LOG_E("%s[%d], phdr p_memsz 0x%x error", __func__, phdr->p_memsz); |
| 329 | return -RT_ERROR; |
| 330 | } |
| 331 | |
| 332 | LOG_D("%s : phdr p_vaddr : 0x%x", __func__, phdr->p_vaddr); |
| 333 | |
| 334 | return RT_EOK; |
| 335 | } |
| 336 | |
| 337 | /** |
| 338 | * @brief Load and validate the ELF header from a file. |
no outgoing calls
no test coverage detected