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Commit d1fec5bd authored by Dan Carpenter's avatar Dan Carpenter Committed by Mauro Carvalho Chehab
Browse files

[media] atomisp: one char read beyond end of string 



We should verify that "ix < max_len" before we test whether we have
reached the NUL terminator.

Fixes: a49d2536 ("staging/atomisp: Add support for the Intel IPU v2")

Reported-by: default avatarDavid Binderman <dcb314@hotmail.com>
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 02d97831

drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_include/string_support.h

+2 −3
Original line number Diff line number Diff line
@@ -72,9 +72,8 @@ static size_t strnlen_s( 
		return 0;

	}



	for (ix=0;

		((src_str[ix] != '\0') && (ix< max_len));

		++ix) /*Nothing else to do*/;

	for (ix = 0; ix < max_len && src_str[ix] != '\0'; ix++)

		;



	/* On Error, it will return src_size == max_len*/

	return ix;