From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 BB83D188006; Tue, 17 Jun 2025 16:44:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750178652; cv=none; b=aQhCeccxlNfsg4upzWDulB3PwCu8pa/fp1dk0pV9fhMuPM7eEms8HIxzxtBcbNPOGFres4W8XHboTgzi6FUUGzwbSS01xwCTzSF/RhvqjoeThmG/8Ps5XMvnXsYktoiQU/UPkFw2xNuuwgH7zQIt/Gvv2oyKjXVN9GyAbq4qY2g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750178652; c=relaxed/simple; bh=fV1qrBg0mL6AKUOfeAh8M1Ot2JuI5knKyQ6ptVZobgg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OGliEJH5mDaqkZtBEEMaOtYAkB0qCw3RMTrgQmb1Rf+DyJERjL4X6vAxJIqMI8Cli/6DxirMAH75h4ScpkgbbNGcjnhc/wdy5tqrD0dguk7IPJwktdntGFPQqR9f4XsCm4yfipaR2JuSwWlPrEsFnx/PN+onpXEoDD3BA6V3zlk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=uDl4hk/R; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="uDl4hk/R" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0E78FC4CEE3; Tue, 17 Jun 2025 16:44:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1750178652; bh=fV1qrBg0mL6AKUOfeAh8M1Ot2JuI5knKyQ6ptVZobgg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uDl4hk/RJbCIcxBUDfqOV+Wn+LG20H0wHwLFMbG7scIfBkNL9+bwbIB9+B/JLKvXG xWKmh7KPLtcVlDCmQWrRzLYS/iCU4zIJTAG0d87H6Y0O4JwKYp9zmhTL05gjttvO+w AkJ1dOu9DfLLk2Oq4gbQCyyYvZit7BwBLUiRcNG0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Anubhav Shelat , Adrian Hunter , Alexander Shishkin , Dapeng Mi , Ian Rogers , Ingo Molnar , James Clark , Jiri Olsa , Kan Liang , Mark Rutland , Michael Petlan , Namhyung Kim , Peter Zijlstra , Arnaldo Carvalho de Melo , Sasha Levin Subject: [PATCH 6.15 483/780] perf trace: Set errpid to false for rseq and set_robust_list Date: Tue, 17 Jun 2025 17:23:11 +0200 Message-ID: <20250617152511.157016451@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250617152451.485330293@linuxfoundation.org> References: <20250617152451.485330293@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Anubhav Shelat [ Upstream commit 8c56bfe53bd881c7b598c54a3a06216743c57bbc ] The 'rseq' and 'set_robust_list' syscalls don't return a pid, so set errpid for both to false. Fixes: 0c1019e3463b263a ("perf trace: Mark the 'rseq' arg in the rseq syscall as coming from user space") Fixes: 1de5b5dcb8353f36 ("perf trace: Mark the 'head' arg in the set_robust_list syscall as coming from user space") Signed-off-by: Anubhav Shelat Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Dapeng Mi Cc: Ian Rogers Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Kan Liang Cc: Mark Rutland Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Link: https://lore.kernel.org/r/20250529143334.1469669-2-ashelat@redhat.com [ Remove explicit .errpid = false, omitting its initialization zeroes it, as noted by Namhyung ] Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin --- tools/perf/builtin-trace.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 7304e62b69fee..33cce59bdfbdb 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1352,7 +1352,7 @@ static const struct syscall_fmt syscall_fmts[] = { .arg = { [0] = { .scnprintf = SCA_FDAT, /* olddirfd */ }, [2] = { .scnprintf = SCA_FDAT, /* newdirfd */ }, [4] = { .scnprintf = SCA_RENAMEAT2_FLAGS, /* flags */ }, }, }, - { .name = "rseq", .errpid = true, + { .name = "rseq", .arg = { [0] = { .from_user = true /* rseq */, }, }, }, { .name = "rt_sigaction", .arg = { [0] = { .scnprintf = SCA_SIGNUM, /* sig */ }, }, }, @@ -1376,7 +1376,7 @@ static const struct syscall_fmt syscall_fmts[] = { { .name = "sendto", .arg = { [3] = { .scnprintf = SCA_MSG_FLAGS, /* flags */ }, [4] = SCA_SOCKADDR_FROM_USER(addr), }, }, - { .name = "set_robust_list", .errpid = true, + { .name = "set_robust_list", .arg = { [0] = { .from_user = true /* head */, }, }, }, { .name = "set_tid_address", .errpid = true, }, { .name = "setitimer", -- 2.39.5