提交 a693447c 编写于 作者: A Anatolij Gustschin 提交者: Wolfgang Denk

cmd_mtdparts.c: prevent printbuffer overflows

The length of configured MTDPARTS_DEFAULT string
could be greater than console printbuffer size.
Replace printf() by puts() to avoid potential buffer
overflows.
Signed-off-by: NAnatolij Gustschin <agust@denx.de>
上级 3920bbed
......@@ -1254,8 +1254,14 @@ static void list_partitions(void)
printf("\ndefaults:\n");
printf("mtdids : %s\n",
mtdids_default ? mtdids_default : "none");
printf("mtdparts: %s\n",
mtdparts_default ? mtdparts_default : "none");
/*
* Using printf() here results in printbuffer overflow
* if default mtdparts string is greater than console
* printbuffer. Use puts() to prevent system crashes.
*/
puts("mtdparts: ");
puts(mtdparts_default ? mtdparts_default : "none");
puts("\n");
}
/**
......
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