netdev - Re: [PATCH 3/4] lib/hexdump.c: Replace ascii bool in hex_dump_to

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20190410065627.GF6095@kadam>
Date:   Wed, 10 Apr 2019 09:56:27 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     "Alastair D'Silva" <alastair@....ibm.com>
Cc:     alastair@...ilva.org, linux-fbdev@...r.kernel.org,
        Stanislaw Gruszka <sgruszka@...hat.com>,
        Petr Mladek <pmladek@...e.com>,
        David Airlie <airlied@...ux.ie>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        dri-devel@...ts.freedesktop.org, devel@...verdev.osuosl.org,
        linux-scsi@...r.kernel.org, Jassi Brar <jassisinghbrar@...il.com>,
        ath10k@...ts.infradead.org, intel-gfx@...ts.freedesktop.org,
        Jose Abreu <Jose.Abreu@...opsys.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        linux-fsdevel@...r.kernel.org,
        Steven Rostedt <rostedt@...dmis.org>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Benson Leung <bleung@...omium.org>,
        Kalle Valo <kvalo@...eaurora.org>,
        Karsten Keil <isdn@...ux-pingi.de>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Daniel Vetter <daniel@...ll.ch>, netdev@...r.kernel.org,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "David S. Miller" <davem@...emloft.net>,
        Alexander Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH 3/4] lib/hexdump.c: Replace ascii bool in
 hex_dump_to_buffer with flags

On Wed, Apr 10, 2019 at 01:17:19PM +1000, Alastair D'Silva wrote:
> @@ -107,7 +108,7 @@ EXPORT_SYMBOL(bin2hex);
>   * string if enough space had been available.
>   */
>  int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize,
> -		       char *linebuf, size_t linebuflen, bool ascii)
> +		       char *linebuf, size_t linebuflen, u64 flags)
>  {
>  	const u8 *ptr = buf;
>  	int ngroups;
> @@ -184,7 +185,7 @@ int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize,
>  		if (j)
>  			lx--;
>  	}
> -	if (!ascii)
> +	if (!flags & HEXDUMP_ASCII)
            ^^^^^^^^^^^^^^^^^^^^^^
This is a precedence bug.  It should be if (!(flags & HEXDUMP_ASCII)).


>  		goto nil;
>  

regards,
dan carpenter