* fs: WARNING: at fs/dcache.c:2587 prepend_path
@ 2013-02-26 16:48 Sasha Levin
2013-02-26 17:01 ` Sedat Dilek
0 siblings, 1 reply; 3+ messages in thread
From: Sasha Levin @ 2013-02-26 16:48 UTC (permalink / raw)
To: Al Viro; +Cc: linux-fsdevel, linux-kernel@vger.kernel.org, Dave Jones
Hi all,
While fuzzing with trinity inside a KVM tools guest running latest -next,
I've started seeing a bunch of these, which wasn't there in the -next from
couple of days ago:
[ 1169.020539] ------------[ cut here ]------------
[ 1169.021297] WARNING: at fs/dcache.c:2587 prepend_path+0x188/0x1f0()
[ 1169.022903] Root dentry has weird name <dev/zero>
[ 1169.023967] Modules linked in:
[ 1169.024479] Pid: 28818, comm: trinity Tainted: G W 3.8.0-next-20130225-sasha-00042-g8547837 #997
[ 1169.026771] Call Trace:
[ 1169.027527] [<ffffffff8110cd1c>] warn_slowpath_common+0x8c/0xc0
[ 1169.028442] [<ffffffff8110cdf1>] warn_slowpath_fmt+0x41/0x50
[ 1169.029829] [<ffffffff81147a10>] ? lg_local_lock+0x70/0x80
[ 1169.031038] [<ffffffff8129e0da>] ? prepend_path+0x3a/0x1f0
[ 1169.032783] [<ffffffff8129e228>] prepend_path+0x188/0x1f0
[ 1169.034083] [<ffffffff8129f0e1>] d_path+0x101/0x140
[ 1169.034946] [<ffffffff812ad5ae>] seq_path+0x5e/0xd0
[ 1169.035804] [<ffffffff812f7494>] show_map_vma+0x174/0x2b0
[ 1169.037065] [<ffffffff812f75fa>] show_map+0x2a/0x60
[ 1169.037790] [<ffffffff812f764e>] show_pid_map+0xe/0x10
[ 1169.038902] [<ffffffff812adf31>] seq_read+0x311/0x430
[ 1169.039944] [<ffffffff81287e23>] vfs_read+0xb3/0x120
[ 1169.040934] [<ffffffff8118554d>] ? trace_hardirqs_on+0xd/0x10
[ 1169.042842] [<ffffffff812885dd>] sys_read+0x5d/0xa0
[ 1169.043696] [<ffffffff84025290>] tracesys+0xdd/0xe2
[ 1169.045019] ---[ end trace 6e68f4c39bb079ca ]---
Thanks,
Sasha
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: fs: WARNING: at fs/dcache.c:2587 prepend_path
2013-02-26 16:48 fs: WARNING: at fs/dcache.c:2587 prepend_path Sasha Levin
@ 2013-02-26 17:01 ` Sedat Dilek
2013-02-27 13:55 ` Sedat Dilek
0 siblings, 1 reply; 3+ messages in thread
From: Sedat Dilek @ 2013-02-26 17:01 UTC (permalink / raw)
To: Sasha Levin
Cc: Al Viro, linux-fsdevel, linux-kernel@vger.kernel.org, Dave Jones
On Tue, Feb 26, 2013 at 5:48 PM, Sasha Levin <sasha.levin@oracle.com> wrote:
> Hi all,
>
> While fuzzing with trinity inside a KVM tools guest running latest -next,
> I've started seeing a bunch of these, which wasn't there in the -next from
> couple of days ago:
>
> [ 1169.020539] ------------[ cut here ]------------
> [ 1169.021297] WARNING: at fs/dcache.c:2587 prepend_path+0x188/0x1f0()
> [ 1169.022903] Root dentry has weird name <dev/zero>
> [ 1169.023967] Modules linked in:
> [ 1169.024479] Pid: 28818, comm: trinity Tainted: G W 3.8.0-next-20130225-sasha-00042-g8547837 #997
> [ 1169.026771] Call Trace:
> [ 1169.027527] [<ffffffff8110cd1c>] warn_slowpath_common+0x8c/0xc0
> [ 1169.028442] [<ffffffff8110cdf1>] warn_slowpath_fmt+0x41/0x50
> [ 1169.029829] [<ffffffff81147a10>] ? lg_local_lock+0x70/0x80
> [ 1169.031038] [<ffffffff8129e0da>] ? prepend_path+0x3a/0x1f0
> [ 1169.032783] [<ffffffff8129e228>] prepend_path+0x188/0x1f0
> [ 1169.034083] [<ffffffff8129f0e1>] d_path+0x101/0x140
> [ 1169.034946] [<ffffffff812ad5ae>] seq_path+0x5e/0xd0
> [ 1169.035804] [<ffffffff812f7494>] show_map_vma+0x174/0x2b0
> [ 1169.037065] [<ffffffff812f75fa>] show_map+0x2a/0x60
> [ 1169.037790] [<ffffffff812f764e>] show_pid_map+0xe/0x10
> [ 1169.038902] [<ffffffff812adf31>] seq_read+0x311/0x430
> [ 1169.039944] [<ffffffff81287e23>] vfs_read+0xb3/0x120
> [ 1169.040934] [<ffffffff8118554d>] ? trace_hardirqs_on+0xd/0x10
> [ 1169.042842] [<ffffffff812885dd>] sys_read+0x5d/0xa0
> [ 1169.043696] [<ffffffff84025290>] tracesys+0xdd/0xe2
> [ 1169.045019] ---[ end trace 6e68f4c39bb079ca ]---
>
>
Known issue, please see below link...
http://marc.info/?l=linux-next&m=136187065814300&w=2
> Thanks,
> Sasha
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: fs: WARNING: at fs/dcache.c:2587 prepend_path
2013-02-26 17:01 ` Sedat Dilek
@ 2013-02-27 13:55 ` Sedat Dilek
0 siblings, 0 replies; 3+ messages in thread
From: Sedat Dilek @ 2013-02-27 13:55 UTC (permalink / raw)
To: Sasha Levin
Cc: Al Viro, linux-fsdevel, linux-kernel@vger.kernel.org, Dave Jones
On Tue, Feb 26, 2013 at 6:01 PM, Sedat Dilek <sedat.dilek@gmail.com> wrote:
> On Tue, Feb 26, 2013 at 5:48 PM, Sasha Levin <sasha.levin@oracle.com> wrote:
>> Hi all,
>>
>> While fuzzing with trinity inside a KVM tools guest running latest -next,
>> I've started seeing a bunch of these, which wasn't there in the -next from
>> couple of days ago:
>>
>> [ 1169.020539] ------------[ cut here ]------------
>> [ 1169.021297] WARNING: at fs/dcache.c:2587 prepend_path+0x188/0x1f0()
>> [ 1169.022903] Root dentry has weird name <dev/zero>
>> [ 1169.023967] Modules linked in:
>> [ 1169.024479] Pid: 28818, comm: trinity Tainted: G W 3.8.0-next-20130225-sasha-00042-g8547837 #997
>> [ 1169.026771] Call Trace:
>> [ 1169.027527] [<ffffffff8110cd1c>] warn_slowpath_common+0x8c/0xc0
>> [ 1169.028442] [<ffffffff8110cdf1>] warn_slowpath_fmt+0x41/0x50
>> [ 1169.029829] [<ffffffff81147a10>] ? lg_local_lock+0x70/0x80
>> [ 1169.031038] [<ffffffff8129e0da>] ? prepend_path+0x3a/0x1f0
>> [ 1169.032783] [<ffffffff8129e228>] prepend_path+0x188/0x1f0
>> [ 1169.034083] [<ffffffff8129f0e1>] d_path+0x101/0x140
>> [ 1169.034946] [<ffffffff812ad5ae>] seq_path+0x5e/0xd0
>> [ 1169.035804] [<ffffffff812f7494>] show_map_vma+0x174/0x2b0
>> [ 1169.037065] [<ffffffff812f75fa>] show_map+0x2a/0x60
>> [ 1169.037790] [<ffffffff812f764e>] show_pid_map+0xe/0x10
>> [ 1169.038902] [<ffffffff812adf31>] seq_read+0x311/0x430
>> [ 1169.039944] [<ffffffff81287e23>] vfs_read+0xb3/0x120
>> [ 1169.040934] [<ffffffff8118554d>] ? trace_hardirqs_on+0xd/0x10
>> [ 1169.042842] [<ffffffff812885dd>] sys_read+0x5d/0xa0
>> [ 1169.043696] [<ffffffff84025290>] tracesys+0xdd/0xe2
>> [ 1169.045019] ---[ end trace 6e68f4c39bb079ca ]---
>>
>>
>
> Known issue, please see below link...
>
> http://marc.info/?l=linux-next&m=136187065814300&w=2
>
Just FYI: Linux-Next (next-20130227) has the corrected fix now. You
should no more see these warnings.
- Sedat -
>> Thanks,
>> Sasha
>>
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
>> the body of a message to majordomo@vger.kernel.org
>> More majordomo info at http://vger.kernel.org/majordomo-info.html
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2013-02-27 13:55 UTC | newest]
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2013-02-26 16:48 fs: WARNING: at fs/dcache.c:2587 prepend_path Sasha Levin
2013-02-26 17:01 ` Sedat Dilek
2013-02-27 13:55 ` Sedat Dilek
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