linux-kernel - Re: [PATCH] relay-file-read-start-pos-fix.patch

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:	Wed, 20 Jun 2007 10:22:31 +0900
From:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
To:	Tom Zanussi <zanussi@...ibm.com>
Cc:	David Wilder <dwilder@...ibm.com>, linux-kernel@...r.kernel.org,
	systemtap@...rces.redhat.com,
	Yumiko Sugita <yumiko.sugita.yf@...achi.com>,
	Satoshi Oshima <soshima@...hat.com>,
	Hideo Aoki <haoki@...hat.com>
Subject: Re: [PATCH] relay-file-read-start-pos-fix.patch

Tom Zanussi wrote:
> Hi,
> 
> I haven't had a chance to test it myself yet, but it looks ok to me,
> except for one problem noted below...

Hi,

Thank you so much!
I'm preparing how it can reproduce. I'll send it as soon as possible.

> Thanks for fixing it.
> 
>> Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
>>
>> ---
>>  kernel/relay.c |    8 ++++++--
>>  1 file changed, 6 insertions(+), 2 deletions(-)
>>
>> Index: linux-2.6.22-rc4-mm2/kernel/relay.c
>> ===================================================================
>> --- linux-2.6.22-rc4-mm2.orig/kernel/relay.c	2007-06-13 20:22:02.000000000 +0900
>> +++ linux-2.6.22-rc4-mm2/kernel/relay.c	2007-06-18 23:00:54.000000000 +0900
>> @@ -812,7 +812,10 @@
>>  	}
>>
>>  	buf->bytes_consumed += bytes_consumed;
>> -	read_subbuf = read_pos / buf->chan->subbuf_size;
>> +	if (!read_pos)
>> +		read_subbuf = buf->subbufs_consumed;
> 
> I think this should be instead:
> 
> +		read_subbuf = buf->subbufs_consumed % n_subbufs;

Yes, you are right.
Thank you again.

-- 
Masami HIRAMATSU
Linux Technology Center
Hitachi, Ltd., Systems Development Laboratory
E-mail: masami.hiramatsu.pt@...achi.com
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/