From a9591112147006123718c120932b70e132a85dba Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adam=20M=C3=BAdry?= Date: Tue, 16 Dec 2025 14:23:21 +0100 Subject: [PATCH] fix(sdmmc): sdmmc_get_blockdev fix potential overflow before widen --- components/sdmmc/sdmmc_blockdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/components/sdmmc/sdmmc_blockdev.c b/components/sdmmc/sdmmc_blockdev.c index 33410159c5..d951dd6a75 100644 --- a/components/sdmmc/sdmmc_blockdev.c +++ b/components/sdmmc/sdmmc_blockdev.c @@ -132,7 +132,7 @@ esp_err_t sdmmc_get_blockdev(sdmmc_card_t* card, esp_blockdev_handle_t* out_hand out->device_flags.default_val_after_erase = card->scr.erase_mem_state; - out->geometry.disk_size = (uint64_t) (card->csd.capacity * card->csd.sector_size); + out->geometry.disk_size = ((uint64_t) card->csd.capacity) * ((uint64_t) card->csd.sector_size); out->geometry.read_size = (size_t) card->csd.sector_size; out->geometry.write_size = (size_t) card->csd.sector_size; out->geometry.erase_size = (size_t) card->csd.sector_size;