From nobody Mon Feb 9 00:20:25 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 0FF8429293A; Mon, 28 Apr 2025 18:27:04 +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=1745864825; cv=none; b=IJv8Ge4KcVRRZW6qIJqzvp2qllMNneaIMV2JQQEZ+/uFVj5gLevtcw7LSwtFRoV4xUkNYNGJmXwBmu58zyYvg4sQQDDIJAzBH6mb7JkSwZfYggfkqosMckiNKghQd/W7SuySjbaOhH6v1TEYpRllZS6cLnzF6zPPc/iU+M2bS5k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745864825; c=relaxed/simple; bh=qdjjg9250uAChp/B6CMoiJw5KiM08dmL8XUQ0eA5f48=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=pWPtHWYCxDe8nsibMp5XJm0uZlgjzckR5HKPaHlkgb/XBBbBPgumPFZ9CArIlfTZRN+ZakXOVyIBNtrhmvxLaM6SitvPwjMduWvPp4HSoHaOvdERIdiyqSYS6SEwAnZHir9pUS7KTgf61mt20MIWLLXm552KIapStmnpnOvKOfE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hV1eg0Uq; 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="hV1eg0Uq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D3793C4CEF0; Mon, 28 Apr 2025 18:27:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745864824; bh=qdjjg9250uAChp/B6CMoiJw5KiM08dmL8XUQ0eA5f48=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=hV1eg0Uq/DZQX8A0KlSx+gVYNKjrpskt86+XZbdmPc7E83wxD4EUaVvD2mOfRGGNN VMqTSA53kRBBPKbR+UqysP4R3IjqW0DqUYvzdjIZBzo7/Xd1b96uWc2iAPcwRN3AF4 kqnJ3t8qcmESHR0ZuckaeCKN4jOrFo/T/Kba4Cibtm7s9ncBNTjfv+6eypkdFSsu95 OdQXwygkOy6w+hzJ5M4IlNjhM/sRBHgPBcK6w6kVjSpMz9shrYaPZVSreEL+qyLsUO rELZ1Uz8+HHE0L4X5RQ1SeE2lPLMQ4dWKq9khflInEAL7cXT9eY0oQYs3sB/J6exUI B3xEQlihqY9RA== From: Jeff Layton Date: Mon, 28 Apr 2025 11:26:24 -0700 Subject: [PATCH v5 01/10] 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: <20250428-reftrack-dbgfs-v5-1-1cbbdf2038bd@kernel.org> References: <20250428-reftrack-dbgfs-v5-0-1cbbdf2038bd@kernel.org> In-Reply-To: <20250428-reftrack-dbgfs-v5-0-1cbbdf2038bd@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: 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=1830; i=jlayton@kernel.org; h=from:subject:message-id; bh=qdjjg9250uAChp/B6CMoiJw5KiM08dmL8XUQ0eA5f48=; b=owEBbQKS/ZANAwAIAQAOaEEZVoIVAcsmYgBoD8h02NwYy4QXxJrP67+BDY0VaVkg4r1pRn5qS ThHlMbXUlmJAjMEAAEIAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCaA/IdAAKCRAADmhBGVaC FWLKD/9kwVxWvoaZkkWJH23eYL0p1SJDJCllNlPCiwOjfKYfWGGVvcN0dCzywhl8diyAwhsgEt4 81UPbDdDwoMKs+shn2AoycZZqRrXAFqqi2MpuX6orpIsoKXJzHe0p+ABKW7eJ9wKVPqsiMUCxCD /zL/x6SZTgtGokEdHsec9vkmhRmbRFtHKb0FSZXMbjVkg7xgH6SWi6KVZxl0ewhbsjKd/uHx2Eq r4IhWfVcHtTS4pSXLDQB/kHRo26twmEVDHw5B86+bBjF9M8fr2fiLvgxAmp4em6OoeUsxFPaqSo 6wMUeiY7ArzcUHiLc04LYIP4BdFi7v17GdW21Wd9I/Q7/Pn3Ha5nd3DXDip4zK68lM4A6Vd6OA5 VNOinpxLz6BcuYQsKV5n5ewHoFoiDCTspmeOLTYI5Pq8aTVZzvgF4l7JzSYedQ6TxWP0q4nephy 56jlt9AFPFkrNS+81MODB1rjFhuZTj+QK3Lb+RbgDDq6D2e6DGEAcUdtHgMFQwQ8RLDRbRcnvcC NA/VtukaNKktRpEZK+iVvZEEW9JLzEMvA1X4WVZQ1D+I9Q2o40CPXb2uTa862pGx0w9VUsBvtOj Skk92/jT1GfDAfRZGr+9uHN2gg4mJFxSBBBgWPpLlTcTHI00YCeQfkd2TG9tSZrypSYrDQkEewy WSZ6/w+jw7nmTeA== 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 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