linux-kernel - Re: [PATCH] tracing: Have large events show up as '[LINE TOO BIG]' instead of nothing

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: <18d6a5e5-f7a5-4a86-aa0b-eec38652c0d5@efficios.com>
Date:   Sun, 10 Dec 2023 09:11:40 -0500
From:   Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To:     Steven Rostedt <rostedt@...dmis.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux Trace Kernel <linux-trace-kernel@...r.kernel.org>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH] tracing: Have large events show up as '[LINE TOO BIG]'
 instead of nothing

On 2023-12-09 17:10, Steven Rostedt wrote:
[...]
>              <...>-852     [001] .....   121.550551: tracing_mark_write[LINE TOO BIG]
>              <...>-852     [001] .....   121.550581: tracing_mark_write: 78901234

Failing to print an entire message because it does not fit in the
buffer size is rather inconvenient.

It would be better to print the partial line, and end the line with
a <TRUNCATED LINE> tag.

Thanks,

Mathieu

-- 
Mathieu Desnoyers
EfficiOS Inc.
https://www.efficios.com