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8a63382018
Fix the crash and warnings for the newly introduced env on mtd
implementation. Also backport an out-of-bound access fix for the
"askenv" command.
Fixes: 41a9c9de66 ("uboot-mediatek: update to v2025.07")
Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
26 lines
751 B
Diff
26 lines
751 B
Diff
From 0ef932f509fd9f9215af2ea4ca2919d3285ddf60 Mon Sep 17 00:00:00 2001
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From: Shiji Yang <yangshiji66@outlook.com>
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Date: Thu, 24 Jul 2025 07:50:40 +0800
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Subject: [PATCH 2/2] env: mtd: initialize saved_buf pointer
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When sect_size is greater than CONFIG_ENV_SIZE, this wild
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pointer will cause CPU halt or system crash.
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Fixes: 03fb08d4aef8 ("env: Introduce support for MTD")
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Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
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---
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env/mtd.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/env/mtd.c
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+++ b/env/mtd.c
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@@ -201,7 +201,7 @@ static int env_mtd_erase(void)
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{
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struct mtd_info *mtd_env;
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u32 sect_size, sect_num;
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- char *saved_buf, *tmp;
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+ char *saved_buf = NULL, *tmp;
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struct erase_info ei;
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size_t ret_len;
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int remaining;
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