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 7F1B42EA14E; Tue, 17 Jun 2025 16:19:15 +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=1750177155; cv=none; b=Fg1RqfPGWrLEupsEog9gBaPJhNPLF9/0tPlvNY7IN3lTBXKUYf1rZwIwDKJV5LI5kb0/aC7+MbVstN78gBgIOqhKiSDTldBjl+/r70Rb6c+sZjUSkI3gpYCBhhwMupaElkN+72WlFpdfTfj5GZ22C7uyX5z8Upfag+scyVNNBEg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750177155; c=relaxed/simple; bh=ghTo5pqkmKqRMHX6nvIBMg8eGWDBCiQUCr5FeBdsGLM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KbprP3Ny5DBnMpGkTMhE6r4toatVznVbN7KnbCyGI3eLEfsqwvj3UTDNQi6BbtyhZ+nnJqYjAL6huhTaXoG3FLplomM+W5HiGyB/Bg6t/yHda0AAin0GAGkgsSqkoFqmbzi2ZKms68F56an6nWqmFRAa4Ln4pQwoiK+hlrKnreg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=KWiUMCtd; 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="KWiUMCtd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B265FC4CEE3; Tue, 17 Jun 2025 16:19:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1750177155; bh=ghTo5pqkmKqRMHX6nvIBMg8eGWDBCiQUCr5FeBdsGLM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KWiUMCtd7s7TmJpaHbfxayQVSKA5ZDTapQ2j/R/19HWCFgwn9na1zGIEoHkoPg9iE A73B50JkoikOyXz4P2kPkspuWnVteV0kV15Y+hP504xaItamFhreSFdX+o1dqwLini b+1p3zCvQgsVpiJtWQFour7ykSDNY9Hb6X2hcqCA= 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 6.12 302/512] perf trace: Set errpid to false for rseq and set_robust_list Date: Tue, 17 Jun 2025 17:24:28 +0200 Message-ID: <20250617152431.834506426@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250617152419.512865572@linuxfoundation.org> References: <20250617152419.512865572@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-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 ebe4fad0d4751..f77e4f4b6f03e 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1327,7 +1327,7 @@ 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 */ }, }, }, @@ -1351,7 +1351,7 @@ 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