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early_init_dt_scan_chosen_stdout() fetches stdout-path and linux,stdout-path directly from the flat DT and immediately passes the result to strchrnul(). Flat DT properties are raw firmware-supplied byte sequences, and this path does not prove that either property is NUL-terminated within its declared bounds. Use fdt_stringlist_get() so malformed unterminated stdout-path properties are rejected before the local parser walks them as C strings. Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn> Link: https://patch.msgid.link/20260403143001.1-dt-fdt-stdout-pengpeng@iscas.ac.cn Signed-off-by: Rob Herring (Arm) <robh@kernel.org>