From nobody Mon Feb 9 09:32:50 2026 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 BFCC423507E; Tue, 10 Jun 2025 14:59:45 +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=1749567585; cv=none; b=tc9kTjyXxC8VOgq6XZjNWDP83GNjtV89+jT9LXHbDjRIfqcPyp06hL1O/KZY3tbW0fiQaHxvVi/hU5NhWbjxrq/9JzHxaTOkSlwUCEvCOxYafD/fQLJRvK8Uj1ujL+QmRKRUXyNHn8pYX6T3/xyv0ZWYARYWHcY7r5TpstLVVyg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749567585; c=relaxed/simple; bh=kh/qFeLAyxVm0bBT3X1rDJqrmW5QgjHwPovsCE5exFQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=oz4PbxhiHFw//OryXzC8jXToTCsBVEUvffyShYi5TyuFhjdojhTDg29xCINlLYMGG8Mq5X8J0eBv3rsYltzVEgO87UKwzeaUtcQg69ifgeCxogB7ylr2mOTPp8yQ5TkppDPcIWL8QXg73I8dgKu0+YhFS8MMc2KHIVMKCeFDw9I= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MCzZIQsO; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MCzZIQsO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B3F37C4CEF1; Tue, 10 Jun 2025 14:59:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1749567585; bh=kh/qFeLAyxVm0bBT3X1rDJqrmW5QgjHwPovsCE5exFQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=MCzZIQsOECXqcmrna81KK3quV72mw6stAln0Y2nJrgEnaj9PGw5gYlO4PYQubt4xG vZg/mnai10U33TVRRNMTg+FUgcaIoHld0ccXeWnSdqoeNmXn8kglDkfEYOVA3MUEsb x//3H+HaR64sDZtP4OukNYHuudz2+HMeDqR6WuKrgVFreS+lFdU352xxFbbDBb12VC r4IvTV/8x0PXL7cnCYtBJeqUTRFYGZmpFT7wN/sltEVxppSSg9sF3pibbiIWk6qfWk VY751tsYM0PjRWMqtXuVXmOlU2+cj2/5vInNdH9NL6X4VmlAVSZHPAWIGDxt0N0bI4 4VMOcp9BEArjw== From: Jeff Layton Date: Tue, 10 Jun 2025 10:59:21 -0400 Subject: [PATCH v14 1/9] ref_tracker: don't use %pK in pr_ostream() output Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250610-reftrack-dbgfs-v14-1-efb532861428@kernel.org> References: <20250610-reftrack-dbgfs-v14-0-efb532861428@kernel.org> In-Reply-To: <20250610-reftrack-dbgfs-v14-0-efb532861428@kernel.org> To: Andrew Morton , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin Cc: Krzysztof Karas , Kuniyuki Iwashima , Qasim Ijaz , Nathan Chancellor , Andrew Lunn , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, Jeff Layton , =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1888; i=jlayton@kernel.org; h=from:subject:message-id; bh=kh/qFeLAyxVm0bBT3X1rDJqrmW5QgjHwPovsCE5exFQ=; b=owEBbQKS/ZANAwAKAQAOaEEZVoIVAcsmYgBoSEhbAWNgWom2fzGCJ+t5Z/GvnJq2l2QaCsQ/P tnSV9QgfrSJAjMEAAEKAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCaEhIWwAKCRAADmhBGVaC Feq6D/4muyMWUff29ZCkmEl2BtTkrkuooi9rJVLs5x8uwJ233hNAgNw3ojWNub7eCfrlw8UWV4u 9JC+dK1U88vhlVJJ7ZqtNxkm0DqilTArDYXP53Y//gbS1prCpA9wEdK7cIL6yfySWt3jbUeV1z8 sowuJ53akcqMYe2eR5hv+PwzBxB73xgKRHsoxjW5t4Y7JE/OfijwifJag6p5oaF4lHESSL6ZMyQ 9bBVyv4xdO48HJFSw30pv5jYFwBpNr9vOxjtA0/8cQRfYqp14auPcwy92GVNn47xBBdCWoCuSnK F7LymjvcSUdfHU+KMwJRwx8bSVE6RxyeDJfwxH8bIy0pd/61+1h0NYTtdcnTR5fq3zpixfHxWSu tgLCLfnSIay1/9ZcCDMu5hRGg5srMwbZdUNuINjG8Y9RfzllRdMR/cMKYtPXdCWojSFd1BXebNS 2Ihg9+Mwhcd8NmI2bZ6tKEinlWFDlXlVYA8iu/tGISSRgoDUkQ2S8kgWAwfk8nw/jexfRqk1BPg r9YP/NREvCN8Y70Hu0Q6MrhvIG7WlpxkRcrZSUbWrvnG4JMNDPXmJE4t5PFby2yJrRCZuMpOYZf stHfx+A4ig+e1iGvj2p6T6Mv16ZwGpwTlTymVscmm89BzjdP/pfvMB82okRjc+DbQTZKLc08p7k 00Y5nT6khCf66Yg== X-Developer-Key: i=jlayton@kernel.org; a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 As Thomas Wei=C3=9Fschuh points out [1], it is now preferable to use %p instead of hashed pointers with printk(), since raw pointers should no longer be leaked into the kernel log. Change the ref_tracker infrastructure to use %p instead of %pK in its formats. [1]: https://lore.kernel.org/netdev/20250414-restricted-pointers-net-v1-0-1= 2af0ce46cdd@linutronix.de/ Cc: Thomas Wei=C3=9Fschuh Reviewed-by: Thomas Wei=C3=9Fschuh Reviewed-by: Krzysztof Karas Signed-off-by: Jeff Layton --- lib/ref_tracker.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/lib/ref_tracker.c b/lib/ref_tracker.c index cf5609b1ca79361763abe5a3a98484a3ee591ff2..de71439e12a3bab6456910986fa= 611dfbdd97980 100644 --- a/lib/ref_tracker.c +++ b/lib/ref_tracker.c @@ -96,7 +96,7 @@ __ref_tracker_dir_pr_ostream(struct ref_tracker_dir *dir, =20 stats =3D ref_tracker_get_stats(dir, display_limit); if (IS_ERR(stats)) { - pr_ostream(s, "%s@%pK: couldn't get stats, error %pe\n", + pr_ostream(s, "%s@%p: couldn't get stats, error %pe\n", dir->name, dir, stats); return; } @@ -107,13 +107,13 @@ __ref_tracker_dir_pr_ostream(struct ref_tracker_dir *= dir, stack =3D stats->stacks[i].stack_handle; if (sbuf && !stack_depot_snprint(stack, sbuf, STACK_BUF_SIZE, 4)) sbuf[0] =3D 0; - pr_ostream(s, "%s@%pK has %d/%d users at\n%s\n", dir->name, dir, + pr_ostream(s, "%s@%p has %d/%d users at\n%s\n", dir->name, dir, stats->stacks[i].count, stats->total, sbuf); skipped -=3D stats->stacks[i].count; } =20 if (skipped) - pr_ostream(s, "%s@%pK skipped reports about %d/%d users.\n", + pr_ostream(s, "%s@%p skipped reports about %d/%d users.\n", dir->name, dir, skipped, stats->total); =20 kfree(sbuf); --=20 2.49.0