From 6167e64b7688ef955df5e6b3d0c43bd732de78c7 Mon Sep 17 00:00:00 2001 From: Shiji Yang Date: Thu, 24 Jul 2025 07:50:40 +0800 Subject: [PATCH] uboot-mtk-20250711: env: mtd: initialize saved_buf pointer When sect_size is greater than CONFIG_ENV_SIZE, this wild pointer will cause CPU halt or system crash. Fixes: 03fb08d4aef8 ("env: Introduce support for MTD") Signed-off-by: Shiji Yang --- uboot-mtk-20250711/env/mtd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/uboot-mtk-20250711/env/mtd.c b/uboot-mtk-20250711/env/mtd.c index ad263ed4b..b26ee8098 100644 --- a/uboot-mtk-20250711/env/mtd.c +++ b/uboot-mtk-20250711/env/mtd.c @@ -201,7 +201,7 @@ static int env_mtd_erase(void) { struct mtd_info *mtd_env; u32 sect_size, sect_num; - char *saved_buf, *tmp; + char *saved_buf = NULL, *tmp; struct erase_info ei; size_t ret_len; int remaining;