From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 12 Sep 2023 11:37:54 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qfzqF-00CUoA-Al for lore@lore.pengutronix.de; Tue, 12 Sep 2023 11:37:54 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qfzqD-00088Q-2p for lore@pengutronix.de; Tue, 12 Sep 2023 11:37:53 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:From:In-Reply-To: Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=DeIUIOa6IaVBDzgv5dmce0OJLVm3u4O4YTseePxKdeM=; b=hSzHV8YLNXTWwhu3I6f8lh1plY umUub3esAP53TLkZ9I61/SuGltcXSSyQgGWyJJ/Yf59msLCU9gcPc+/ANkvCBLk6Z5Ji0rKs6ymmA nsZalNo6fsLbrpDWdmucWZmgfCsFouC9KrtsmjMMNeWkt15wLwinGEI9fhFUPL1yWZRNKDEI6tSjg 5yRPX/gUwm9CS2cXtMa9JQ0Cc2kYm+bLUShvadtZ8GX2c9ONfP/z2bBO5gWlqQhKFJ9WX2OHgRBFs u8B099D+XtYsIxONCVujZMzHfObBSJAVAguvCWsfIjXVvvVN67NO7OHVrNBBfajAOeoAzJ5alV1Tq 3Eknsljg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qfzp7-002le2-07; Tue, 12 Sep 2023 09:36:45 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qfzp1-002lb4-2i for barebox@lists.infradead.org; Tue, 12 Sep 2023 09:36:41 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qfzp0-0007nY-Ky; Tue, 12 Sep 2023 11:36:38 +0200 Received: from [2a0a:edc0:2:b01:1d::c0] (helo=ptx.whiteo.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qfzp0-005kOr-8j; Tue, 12 Sep 2023 11:36:38 +0200 Received: from sha by ptx.whiteo.stw.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1qfzp0-005Ztp-3l; Tue, 12 Sep 2023 11:36:38 +0200 Date: Tue, 12 Sep 2023 11:36:38 +0200 To: Ahmad Fatoum Cc: barebox@lists.infradead.org Message-ID: <20230912093638.GZ637806@pengutronix.de> References: <20230911125619.2782229-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230911125619.2782229-1-a.fatoum@pengutronix.de> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-Accept-Language: de,en X-Accept-Content-Type: text/plain User-Agent: Mutt/1.10.1 (2018-07-13) From: Sascha Hauer X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230912_023639_874107_9EFCD683 X-CRM114-Status: GOOD ( 16.64 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH 0/4] KASan: print output directly to stderr X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On Mon, Sep 11, 2023 at 02:56:15PM +0200, Ahmad Fatoum wrote: > I recently hunted down a heap memory corruption and this was somewhat > complicated by KASan and dump_stack() themselves allocating memory > off the heap. This series switches them to directly write to the > consoles associated with stderr, while skipping the log. > > Ahmad Fatoum (4): > ARM: unwind: don't allocate while printing stack trace > ARM64: backtrace: print stacktrace to stderr > KASan: only print to stderr > KASan: don't allocate memory while printing report Applied, thanks Sascha > > arch/arm/lib32/unwind.c | 20 ++++++++++---------- > arch/arm/lib64/stacktrace.c | 6 +++--- > lib/kasan/generic.c | 2 -- > lib/kasan/report.c | 22 +++++++++++----------- > 4 files changed, 24 insertions(+), 26 deletions(-) > > -- > 2.39.2 > > > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |