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cmd: fdt: Handle 64bit pointers in fdt get addr
The command assumed 32bit pointers so far, with 64bit pointer the command would overwrite a piece of stack. Fix it by extending the array size to cater for 64bit pointer, and use snprintf() to avoid writing past the end of the array ever again. Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org> Reviewed-by: Simon Glass <sjg@chromium.org>
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1 changed files with 2 additions and 2 deletions
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@ -466,9 +466,9 @@ static int do_fdt(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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return ret;
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} else if (subcmd[0] == 'a') {
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/* Get address */
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char buf[11];
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char buf[19];
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sprintf(buf, "0x%p", nodep);
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snprintf(buf, sizeof(buf), "0x%p", nodep);
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env_set(var, buf);
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} else if (subcmd[0] == 's') {
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/* Get size */
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