linux-kernel - Re: [PATCH] tracing: kill wrong message when cat tracing/trace

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:	Mon, 05 Apr 2010 10:52:30 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Lai Jiangshan <laijs@...fujitsu.com>
Cc:	Ingo Molnar <mingo@...e.hu>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] tracing: kill wrong message when cat tracing/trace

On Mon, 2010-04-05 at 17:11 +0800, Lai Jiangshan wrote:
> Because of a local variable is not initialized, I got these
> when I did 'cat tracing/trace'. (not trace_pipe):
> 
> CPU:0 [LOST 18446744071579453134 EVENTS]
>               ps-3099  [000]   560.770221: lock_acquire: ffff880030865010 &(&dentry->d_lock)->rlock
> CPU:0 [LOST 18446744071579453134 EVENTS]
>               ps-3099  [000]   560.770221: lock_release: ffff880030865010 &(&dentry->d_lock)->rlock
> CPU:0 [LOST 18446612133255294080 EVENTS]
>               ps-3099  [000]   560.770221: lock_acquire: ffff880030865010 &(&dentry->d_lock)->rlock
> CPU:0 [LOST 18446744071579453134 EVENTS]
>               ps-3099  [000]   560.770222: lock_release: ffff880030865010 &(&dentry->d_lock)->rlock
> CPU:0 [LOST 18446744071579453134 EVENTS]
>               ps-3099  [000]   560.770222: lock_release: ffffffff816cfb98 dcache_lock
> 
> See peek_next_entry(), it does not set *lost_events when we 'cat tracing/trace'
> 
> Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>

Applied, Thanks Lai!

-- Steve


--
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/