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feat(esp_tee): Miscellaneous fixes and improvements

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- Fix intermittent TEE stack underflow test failures
- Fix out-of-bounds access Coverity report from the attestation
  component
- Add appropriate checks and asserts for TEE flash memory regions'
  sizes
This commit is contained in:
Laukik Hase
2026-03-16 10:46:11 +05:30
parent 35f6c201ad
commit 250d757bb9
7 changed files with 35 additions and 25 deletions
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components/esp_tee/subproject/main/ld/esp32c5/esp_tee.ld.in
-5
View File
@@ -236,8 +236,3 @@ ASSERT ((_tee_iram_end <= _tee_dram_start),
"Error: TEE IRAM segment overflowed into the DRAM segment! Increase CONFIG_SECURE_TEE_IRAM_SIZE as required.");
ASSERT((_tee_heap_end >= _tee_heap_start + 0x2000),
"Error: TEE heap size is too small - minimum is 8KB (0x2000)! Increase CONFIG_SECURE_TEE_DRAM_SIZE as required.");
/* MMU Page Alignment Checks */
ASSERT ((CONFIG_SECURE_TEE_IROM_SIZE % 0x10000) == 0,
"Error: SECURE_TEE_IROM_SIZE must be a multiple of MMU_PAGE_SIZE (0x10000/64KB)!");
ASSERT ((CONFIG_SECURE_TEE_DROM_SIZE % 0x10000) == 0,
"Error: SECURE_TEE_DROM_SIZE must be a multiple of MMU_PAGE_SIZE (0x10000/64KB)!");
components/esp_tee/subproject/main/ld/esp32c6/esp_tee.ld.in
-5
View File
@@ -241,8 +241,3 @@ ASSERT ((_tee_iram_end <= _tee_dram_start),
"Error: TEE IRAM segment overflowed into the DRAM segment! Increase CONFIG_SECURE_TEE_IRAM_SIZE as required.");
ASSERT((_tee_heap_end >= _tee_heap_start + 0x2000),
"Error: TEE heap size is too small - minimum is 8KB (0x2000)! Increase CONFIG_SECURE_TEE_DRAM_SIZE as required.");
/* MMU Page Alignment Checks */
ASSERT ((CONFIG_SECURE_TEE_IROM_SIZE % CONFIG_MMU_PAGE_SIZE) == 0,
"Error: SECURE_TEE_IROM_SIZE must be a multiple of MMU_PAGE_SIZE (CONFIG_MMU_PAGE_SIZE)!");
ASSERT ((CONFIG_SECURE_TEE_DROM_SIZE % CONFIG_MMU_PAGE_SIZE) == 0,
"Error: SECURE_TEE_DROM_SIZE must be a multiple of MMU_PAGE_SIZE (CONFIG_MMU_PAGE_SIZE)!");