linux-kernel - Re: [PATCH] perf: Introduce function to report unsupported syscall attribute flags

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: <1347448843.15764.3.camel@twins>
Date:	Wed, 12 Sep 2012 13:20:43 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Robert Richter <robert.richter@....com>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Stephane Eranian <eranian@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] perf: Introduce function to report unsupported syscall
 attribute flags

On Wed, 2012-09-12 at 13:01 +0200, Robert Richter wrote:
> +       if (notsup)
> +               pr_warn("perf: unsupported attribute flags: %016llx\n", notsup); 

This is a dmesg DoS..

I'm also not sure dmesg is the right way.. could we not somehow change
the attrs to provide better diagnostic?
--
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/