linux-kernel - Re: [block:for-3.14/core] kernel BUG at fs/bio.c:1748

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]

Message-ID: <52CDC140.6090307@kernel.dk>
Date:	Wed, 08 Jan 2014 14:21:04 -0700
From:	Jens Axboe <axboe@...nel.dk>
To:	Chris Mason <clm@...com>,
	"muthu.lkml@...il.com" <muthu.lkml@...il.com>
CC:	"kmo@...erainc.com" <kmo@...erainc.com>,
	"linux-btrfs@...r.kernel.org" <linux-btrfs@...r.kernel.org>,
	"fengguang.wu@...el.com" <fengguang.wu@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"lkp@...ux.intel.com" <lkp@...ux.intel.com>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>
Subject: Re: [block:for-3.14/core] kernel BUG at fs/bio.c:1748

On 01/08/2014 02:13 PM, Chris Mason wrote:
> On Tue, 2014-01-07 at 12:15 -0800, Muthu Kumar wrote:
>> Thanks Fengguang. Final patch with added comment. BTW, fengguang
>> mentioned that git-am has trouble with the inline patch and "quilt
>> import" worked fine for him...
>>
>> ------------
>> In btrfs_end_bio(), we increment bi_remaining if is_orig_bio. If not,
>> we restore the orig_bio but failed to increment bi_remaining for
>> orig_bio, which triggers a BUG_ON later when bio_endio is called. Fix
>> is to increment bi_remaining when we restore the orig bio as well.
>>
>> Reported-and-Tested-by: Fengguang wu <fengguang.wu@...el.com>
>> CC: Kent Overstreet <kmo@...erainc.com>
>> CC: Jens Axboe <axboe@...nel.dk>
>> CC: Chris Mason <clm@...com>
>> Signed-off-by: Muthukumar Ratty <muthur@...il.com>
>>
> 
> Reviewed-by: Chris Mason <clm@...com>
> 
> Jens, please pull this one in.

Done, with the added reviewed and tested-by's.

-- 
Jens Axboe

--
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/