From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D3B79C433DF for ; Mon, 29 Jun 2020 14:52:57 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 848432337F for ; Mon, 29 Jun 2020 14:52:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 848432337F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=bugzilla.kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 49wVpb5KsyzDqT8 for ; Tue, 30 Jun 2020 00:52:55 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=198.145.29.99; helo=mail.kernel.org; envelope-from=srs0=zg+q=ak=bugzilla.kernel.org=bugzilla-daemon@kernel.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=bugzilla.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 49wVZl19ZVzDqM1 for ; Tue, 30 Jun 2020 00:42:38 +1000 (AEST) From: bugzilla-daemon@bugzilla.kernel.org To: linuxppc-dev@lists.ozlabs.org Subject: [Bug 208181] BUG: KASAN: stack-out-of-bounds in strcmp+0x58/0xd8 Date: Mon, 29 Jun 2020 14:42:34 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo platform_ppc-32@kernel-bugs.osdl.org X-Bugzilla-Product: Platform Specific/Hardware X-Bugzilla-Component: PPC-32 X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: erhard_f@mailbox.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: platform_ppc-32@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" https://bugzilla.kernel.org/show_bug.cgi?id=3D208181 --- Comment #4 from Erhard F. (erhard_f@mailbox.org) --- Erm wait... there is some change. In 5.8-rc1 stacktrace was: BUG: KASAN: stack-out-of-bounds in strcmp+0x58/0xd8 Read of size 1 at addr c11c1a80 by task swapper/0 CPU: 0 PID: 0 Comm: swapper Not tainted 5.8.0-rc1-PowerMacG4 #2 Call Trace: [c1ae97d0] [c0a2069c] dump_stack+0xfc/0x158 (unreliable) [c1ae9800] [c04ac5cc] print_address_description.isra.0+0x30/0x3fc [c1ae9870] [c04acb28] kasan_report+0x110/0x170 [c1ae98b0] [c0a44c00] strcmp+0x58/0xd8 [c1ae98d0] [c0170790] register_lock_class+0xfa4/0x10a0 [c1ae9990] [c0170a34] __lock_acquire+0x1a8/0x382c [c1ae9b40] [c016f398] lock_acquire+0x5e0/0x854 [c1ae9c00] [c1144014] _raw_spin_lock_irqsave+0x48/0x70 [c1ae9c20] [c0ccbe84] of_find_property+0x2c/0x5c [c1ae9c50] [c0ccbec8] of_get_property+0x14/0x6c [c1ae9c70] [c0cdbcd8] unflatten_dt_nodes+0xc4c/0xcdc [c1ae9ec0] [c0cdbe90] __unflatten_device_tree+0x114/0x1e0 [c1ae9ef0] [c184a294] unflatten_device_tree+0x38/0x54 [c1ae9f10] [c1808600] setup_arch+0xc8/0x630 [c1ae9f50] [c1803268] start_kernel+0xcc/0x4cc [c1ae9ff0] [000038a0] 0x38a0 In 5.8-rc3 stacktrace is: BUG: KASAN: stack-out-of-bounds in vprintk_func+0x100/0x4b4 Read of size 4 at addr c1919e14 by task swapper/0 CPU: 0 PID: 0 Comm: swapper Not tainted 5.8.0-rc3-PowerMacG4 #2 Call Trace: [c1ae9c00] [c0a304dc] dump_stack+0xfc/0x158 (unreliable) [c1ae9c30] [c04ac990] print_address_description.isra.0+0x30/0x3fc [c1ae9ca0] [c04aceec] kasan_report+0x110/0x170 [c1ae9ce0] [c018c204] vprintk_func+0x100/0x4b4 [c1ae9d10] [c018afd4] printk+0xa8/0xd4 [c1ae9db0] [c003c8c4] __ioremap_caller+0x1c4/0x27c [c1ae9df0] [c003c394] ioremap+0x20/0x30 [c1ae9e00] [c1813fe4] pmac_feature_init+0x288/0xd90 [c1ae9ed0] [c1812cb0] pmac_probe+0x13c/0x190 [c1ae9ef0] [c001d938] probe_machine+0xe8/0x13c [c1ae9f10] [c1808614] setup_arch+0xdc/0x630 [c1ae9f50] [c1803268] start_kernel+0xcc/0x4cc [c1ae9ff0] [000038a0] 0x38a0 What stays the same are the two "setbat: no BAT available" messages in both cases. --=20 You are receiving this mail because: You are watching the assignee of the bug.=