linux-kernel - Re: [PATCH 07/18 v3] tracing: Add TRACE_DEFINE_ENUM() macro to map enums to their values

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Message-ID: <20150417092902.630bcb95@gandalf.local.home>
Date:	Fri, 17 Apr 2015 09:29:02 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Andrey Ryabinin <a.ryabinin@...sung.com>
Cc:	Sasha Levin <sasha.levin@...cle.com>, linux-kernel@...r.kernel.org,
	Ingo Molnar <mingo@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Guilherme Cox <cox@...puter.org>,
	Tony Luck <tony.luck@...il.com>,
	Xie XiuQi <xiexiuqi@...wei.com>
Subject: Re: [PATCH 07/18 v3] tracing: Add TRACE_DEFINE_ENUM() macro to map
 enums to their values

On Fri, 17 Apr 2015 10:44:42 +0300
Andrey Ryabinin <a.ryabinin@...sung.com> wrote:

 
> And kasan is not needed to debug this further.
> Just stick WARN_ON(ptr > call->print_fmt + strlen(call->print_fmt)) into the 'for' loop in update_event_printk().

Thanks, although I think I found the bug with just inspection. I put in
WARN_ON(*ptr) at various locations to see if it triggers.

-- Steve

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