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Merge branch 'contrib/github_pr_18822_v5.3' into 'release/v5.3'

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fix(esp_partition): prevent size_t overflow bypassing bounds checks on linux target (GitHub PR) (v5.3)

See merge request espressif/esp-idf!50911
This commit is contained in:
Jiang Jiang Jian
2026-08-05 12:24:11 +08:00
parent d8625e533b 7fd4573266
commit b6663b0048
1 changed files with 4 additions and 4 deletions
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components/esp_partition/partition_linux.c
+4 -4
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@@ -426,7 +426,7 @@ esp_err_t esp_partition_write(const esp_partition_t *partition, size_t dst_offse
if (dst_offset > partition->size) {
return ESP_ERR_INVALID_ARG;
}
if (dst_offset + size > partition->size) {
if (size > partition->size - dst_offset) {
return ESP_ERR_INVALID_SIZE;
}
@@ -480,7 +480,7 @@ esp_err_t esp_partition_read(const esp_partition_t *partition, size_t src_offset
if (src_offset > partition->size) {
return ESP_ERR_INVALID_ARG;
}
if (src_offset + size > partition->size) {
if (size > partition->size - src_offset) {
return ESP_ERR_INVALID_SIZE;
}
@@ -525,7 +525,7 @@ esp_err_t esp_partition_erase_range(const esp_partition_t *partition, size_t off
if (offset > partition->size || offset % partition->erase_size != 0) {
return ESP_ERR_INVALID_ARG;
}
if (offset + size > partition->size || size % partition->erase_size != 0) {
if (size > partition->size - offset || size % partition->erase_size != 0) {
return ESP_ERR_INVALID_SIZE;
}
@@ -577,7 +577,7 @@ esp_err_t esp_partition_mmap(const esp_partition_t *partition, size_t offset, si
if (offset > partition->size) {
return ESP_ERR_INVALID_ARG;
}
if (offset + size > partition->size) {
if (size > partition->size - offset) {
return ESP_ERR_INVALID_SIZE;
}
if (partition->flash_chip != NULL) {