The current implementation casts an address to a pointer. Make it more sandbox-friendly by using map_sysmem().
Signed-off-by: Marek Vasut <[email protected]> --- Cc: Alexander Graf <[email protected]> Cc: Heinrich Schuchardt <[email protected]> Cc: Ilias Apalodimas <[email protected]> Cc: Jerome Forissier <[email protected]> Cc: Mattijs Korpershoek <[email protected]> Cc: Neil Armstrong <[email protected]> Cc: Peng Fan <[email protected]> Cc: Quentin Schulz <[email protected]> Cc: Simon Glass <[email protected]> Cc: Tom Rini <[email protected]> Cc: Yuya Hamamachi <[email protected]> Cc: [email protected] --- cmd/zip.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/cmd/zip.c b/cmd/zip.c index 2d255428822..1712434ba0a 100644 --- a/cmd/zip.c +++ b/cmd/zip.c @@ -7,6 +7,7 @@ #include <command.h> #include <env.h> #include <gzip.h> +#include <mapmem.h> #include <vsprintf.h> static int do_zip(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) @@ -27,8 +28,10 @@ static int do_zip(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) return cmd_usage(cmdtp); } - if (gzip((void *) dst, &dst_len, (void *) src, src_len) != 0) + if (gzip(map_sysmem(dst, dst_len), &dst_len, + map_sysmem(src, src_len), src_len) != 0) { return 1; + } printf("Compressed size: %lu = 0x%lX\n", dst_len, dst_len); env_set_hex("filesize", dst_len); -- 2.51.0
