From ee01c2c524e7ec874fdd91c1686e840dc57e827b Mon Sep 17 00:00:00 2001 From: Erhan Kurubas Date: Tue, 2 Jul 2024 16:00:28 +0200 Subject: [PATCH] fix(coredump): fix array out of the bounds error Closes https://github.com/espressif/esp-idf/issues/14117 --- components/espcoredump/src/core_dump_elf.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/components/espcoredump/src/core_dump_elf.c b/components/espcoredump/src/core_dump_elf.c index 76081e4ab2..57ea48e115 100644 --- a/components/espcoredump/src/core_dump_elf.c +++ b/components/espcoredump/src/core_dump_elf.c @@ -208,8 +208,8 @@ static int elf_write_note_header(core_dump_elf_t *self, static char name_buffer[ELF_NOTE_NAME_MAX_SIZE] = { 0 }; elf_note note_hdr = { 0 }; - memcpy((void*)name_buffer, (void*)name, name_len); - note_hdr.n_namesz = name_len; + memcpy(name_buffer, name, name_len); + note_hdr.n_namesz = ALIGN_UP(name_len, 4); note_hdr.n_descsz = data_sz; note_hdr.n_type = type; // write note header @@ -217,7 +217,7 @@ static int elf_write_note_header(core_dump_elf_t *self, ELF_CHECK_ERR((err == ESP_OK), ELF_PROC_ERR_WRITE_FAIL, "Write ELF note header failure (%d)", err); // write note name - err = esp_core_dump_write_data(&self->write_data, name_buffer, name_len); + err = esp_core_dump_write_data(&self->write_data, name_buffer, note_hdr.n_namesz); ELF_CHECK_ERR((err == ESP_OK), ELF_PROC_ERR_WRITE_FAIL, "Write ELF note name failure (%d)", err); @@ -688,7 +688,7 @@ static void elf_write_core_dump_note_cb(void *opaque, const char *data) static int elf_add_wdt_panic_details(core_dump_elf_t *self) { - uint32_t name_len = ALIGN_UP(sizeof(ELF_ESP_CORE_DUMP_PANIC_DETAILS_NOTE_NAME), 4); + uint32_t name_len = sizeof(ELF_ESP_CORE_DUMP_PANIC_DETAILS_NOTE_NAME); core_dump_elf_opaque_t param = { .self = self, .total_size = 0, @@ -722,7 +722,7 @@ static int elf_add_wdt_panic_details(core_dump_elf_t *self) } } - return ALIGN_UP(name_len + ALIGN_UP(self->note_data_size, 4) + sizeof(elf_note), 4); + return ALIGN_UP(ALIGN_UP(name_len, 4) + ALIGN_UP(self->note_data_size, 4) + sizeof(elf_note), 4); } #endif //CONFIG_ESP_TASK_WDT_EN