From nobody Tue Oct 7 21:46:30 2025 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 3CE4B22DF85; Tue, 3 Jun 2025 11:27:27 +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=1748950048; cv=none; b=huGc6EnJd7Sx55qae5MLwQLHZk2NABeu9uK9wvSFe/zDgQgEQjhTXT5HSHMd9yucAzAtyn4PFZ+UUzzLyVXxJInRs0d2NgLMPnu8jkf82hCq/YCLsLQOYutgsityWR3rOtGM3gk3M+7UnjDTUERvIz7/FfCRM1ryVwKrdFwb/oM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748950048; c=relaxed/simple; bh=kh/qFeLAyxVm0bBT3X1rDJqrmW5QgjHwPovsCE5exFQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=oul88L6hoRgBsfHG+A4PopdUQoiFk/Rul5KTzzk425Sy4bVC5l6K0c3CroIdIRCJ2Ap/KwDfnelqGTVCr5vTI+jkLMmyXziw4A0gwjhAz/R85PhFlbFZzQYHw6Zea272xHCC0ccitK0Eef10n7d6zuu6sPCE2u1gaC8WFfCt0G8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=c5QrsfOG; 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="c5QrsfOG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B8DA0C4CEF2; Tue, 3 Jun 2025 11:27:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1748950047; bh=kh/qFeLAyxVm0bBT3X1rDJqrmW5QgjHwPovsCE5exFQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=c5QrsfOGQY+gEAwvbnNsbvn3UvRugqgK8a5A7iyVNZ46+pKJJafVSF1zWUTRQKfWm ucfYMSzdhxQMy/dIuEl3LXcELGRNZvcUYdW4/ioT1VcpeYwXFVY7FKmRmw1dbuV1vs /K7gaSjlVPGHYQADJOt5xDmhmrgANz4juJR3DWIg/eMMTnY/kt9NK8xw0leDfg1bf1 wCHHJGValI9zrfAHSaytAYnqoc9n4oeD7RXpUFuLejCFXK6fyB1ZE7bqeKPn9hp7WV 6SWZzgpFCfk6Nu5UKjMg6IFCUj8V2QGnubK9MRJPkTZlyhfYQoTGPjyEFizNu7SQok FhLoXRkvsrrgg== From: Jeff Layton Date: Tue, 03 Jun 2025 07:27:12 -0400 Subject: [PATCH v13 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: <20250603-reftrack-dbgfs-v13-1-7b2a425019d8@kernel.org> References: <20250603-reftrack-dbgfs-v13-0-7b2a425019d8@kernel.org> In-Reply-To: <20250603-reftrack-dbgfs-v13-0-7b2a425019d8@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/ZANAwAKAQAOaEEZVoIVAcsmYgBoPtwZnmkzfGyqcDCu4qlCbcxajRFYjJSU/wuXi 5lU4c+zT/SJAjMEAAEKAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCaD7cGQAKCRAADmhBGVaC FStMEACYnCVo1JiKF1YdkJU5oZPfFXF4BX7UH51WUluPdvHF+un4833ejyLd3JUpMs8Nse3Z5Ll IOCON2LDTSV3vaRtqaxq9NF/uJerI9c9z++/F6YNUyPyPIZ+Pxrab79rPJIZT6Sfy4LRyD1GENm NO8eGXBdjxTsN4LxDoZYCj4MEpUVsRgyE7CVKYWc57Nefks/1d4xlDHR3Rw6RpPXnBEInjxnMgo RF/TG5iRYuCjSGieCqxBFFuWuOhCkOpdXBNKXf3KNuMidEkwe8JH9+gV2cWGKi4SzeM2BILOy1V w6YAM2eghUIcTyVssg1LauEUjWOal5gFrjmmJX1IspeHvPq/o9eJouljSeivVLOA+Bo3HLx3xef hexuO8L9xuObnTa4gQ0BL0PQDA9XvGqiHMg78gAYhwwdTDcTozlnOHCOvHCFxOYjUfcqP7MZVoV M5aSWNh5upcyYV02IW9o+LxdBPOP1tyypL90msJSadSUJqH1ab2a7XQyDKK5zS/lk/CO+9k4anq f6kvnesAxB1zU2kC+Zx36RfTw6NS1WgfrW+9Oixe4rRl0WhGeB+loJuStOZX/T/uj6n2s712k+X cyzff1pzXhtQRlcfvHyJ4f58RbBCRuaXrIDqoX7F+XhV841Yn3Va6eClJB8DvgkpNGHgN7wThnN ryZ52HNaaiXos9Q== 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