From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1A7E83859F6; Tue, 23 Jun 2026 01:44:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782179065; cv=none; b=LgfnxqPC2ZUXUylW+2iWhVV6vsklver7KhJCkvR77MSJRKU6NlCZj0D/J+rtGOcdhVEEDiv9p2GWi+OWHip8CYpQIfwBiM8J7JQpoBWGvhz8twPkW0V03XSWr6Gw4s5yQ9f95GkDFaCpJu57kp4YJuKgo15Ps6bWDILK19NA+ng= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782179065; c=relaxed/simple; bh=z5s0hhTM8vrbPMEgU+zBo1ewxn60O4m9EDzvREP6uOM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=pSLZ3XE0ClV3mVVuuF5vUoDF3RNJy6vsekLHBlILdFFeGCC1KPGIxoLRRVIm76wW5qbZnTpa1DtbT61wG3dH4lL9+2MLgsH6gFa87aQuZyTTDDvEQ0QNhMx3+mQ5NQ+9TP6iMdxuL/Lj344gx2wCJfdSyToZ7MpaWPZuBuenrJQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JHZ4LHCH; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JHZ4LHCH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B7FEA1F000E9; Tue, 23 Jun 2026 01:44:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782179063; bh=AqItfMwf8lSN3YOe0I7nNutx9lrvFmYXMpR6tugTZzc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=JHZ4LHCHeIs/wCU+VXQ8X8JKTG5k4GcbNlbT0uu4DGxVRAoVsuKUqVc6JdDDvfE4I BJ334oZlPFoMvGc/9XICh8hHK0bdbi4WItIX7pf+3RKWz4SUwA/wJIJyr1NkHnst3y uMEs3pUiMUMredh7PfUIUrAklevcIG36gT1meJ5Q663Lp9Wr6bUMPvizfC5hltsjoQ WwMrG+WS30HlEuTSzLh4hWdd4tQrTb2dBhX5BmHZg3+wGEatYpvVqNVQZ9GahPYkyj A07uLBA5J39lw4o+o/EutpEkTp3byd1GUHtPTlaKf94UTJa8+khR7fwVnn+bbeBmx+ fcIdGP/pqW+lg== From: "Masami Hiramatsu (Google)" To: Steven Rostedt , Mathieu Desnoyers Cc: Jonathan Corbet , Shuah Khan , Masami Hiramatsu , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [PATCH v7 01/10] tracing/probes: Fix double addition of offset for @+FOFFSET Date: Tue, 23 Jun 2026 10:44:19 +0900 Message-ID: <178217905962.643090.1978577464942171332.stgit@devnote2> X-Mailer: git-send-email 2.43.0 In-Reply-To: <178217904992.643090.15726197350652241270.stgit@devnote2> References: <178217904992.643090.15726197350652241270.stgit@devnote2> User-Agent: StGit/0.19 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit From: Masami Hiramatsu (Google) Since commit 533059281ee5 ("tracing: probeevent: Introduce new argument fetching code") wrongly use @offset local variable during the parsing, the offset value is added twice when dereferencing. Reset the @offset after setting it in FETCH_OP_FOFFS. Fixes: 533059281ee5 ("tracing: probeevent: Introduce new argument fetching code") Signed-off-by: Masami Hiramatsu (Google) Cc: stable@vger.kernel.org --- kernel/trace/trace_probe.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c index 98532c503d02..502fa6da5949 100644 --- a/kernel/trace/trace_probe.c +++ b/kernel/trace/trace_probe.c @@ -1241,6 +1241,7 @@ parse_probe_arg(char *arg, const struct fetch_type *type, code->op = FETCH_OP_FOFFS; code->immediate = (unsigned long)offset; // imm64? + offset = 0; } else { /* uprobes don't support symbols */ if (!(ctx->flags & TPARG_FL_KERNEL)) {