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Date: Fri, 29 May 2026 09:19:26 -0400
From: Steven Rostedt <rostedt@kernel.org>
To: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>, Linux trace kernel
 <linux-trace-kernel@vger.kernel.org>, Mathieu Desnoyers
 <mathieu.desnoyers@efficios.com>, Mark Rutland <mark.rutland@arm.com>,
 Peter Zijlstra <peterz@infradead.org>, Namhyung Kim <namhyung@kernel.org>,
 Takaya Saeki <takayas@google.com>, Douglas Raillard
 <douglas.raillard@arm.com>, Tom Zanussi <zanussi@kernel.org>, Andrew Morton
 <akpm@linux-foundation.org>, Thomas Gleixner <tglx@linutronix.de>, Ian
 Rogers <irogers@google.com>, Jiri Olsa <olsajiri@gmail.com>
Subject: Re: [PATCH v6] tracing/eprobes: Allow use of BTF names to
 dereference pointers
Message-ID: <20260529091926.52078092@fedora>
In-Reply-To: <20260529132508.2e98cab925fdb1fa7be21a9b@kernel.org>
References: <20260521225033.56458336@fedora>
	<20260529132508.2e98cab925fdb1fa7be21a9b@kernel.org>
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On Fri, 29 May 2026 13:25:08 +0900
Masami Hiramatsu (Google) <mhiramat@kernel.org> wrote:

> Thus, we should report a kernel bug if !ctx->flags & TPARG_FL_TYPECAST
> here. Something like this:
> 
> 		if (WARN_ONCE(!(ctx->flags & TPARG_FL_TYPECAST)))
> 			return -EINVAL;
> 		type = ctx->last_struct;
> 		goto found_type;

OK, will update it in v7.

Thanks,

-- Steve