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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8F456C43334 for ; Mon, 25 Jul 2022 16:11:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235804AbiGYQLq (ORCPT ); Mon, 25 Jul 2022 12:11:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47614 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231237AbiGYQLo (ORCPT ); Mon, 25 Jul 2022 12:11:44 -0400 Received: from mail-pl1-x62e.google.com (mail-pl1-x62e.google.com [IPv6:2607:f8b0:4864:20::62e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F137DDFB2 for ; Mon, 25 Jul 2022 09:11:43 -0700 (PDT) Received: by mail-pl1-x62e.google.com with SMTP id z3so10854716plb.1 for ; Mon, 25 Jul 2022 09:11:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=NRFNfWu56kkzzF2baqz39rI6gVA3xLi6nUY9pbACpq4=; b=E4LYa+nsBWnbDjWkmdZ3AwLixMxym9dJ6HxfgUA2O0r78DTMLup90mNPGnjErpkdA+ 1IkTsStdJMUnwqsHYYgUcum1AyR8zmV5dT2fPTimJ35mOMVR4KVClbTNMR9Z9IWZNlmj nYsDUL6/DX0U1imlX6leUyKopQ7kt+QDeQ68mDOQCUwwU1HeOVuMqGXeV02wjEx3U1/J mezd2sTf4Z25iz7Q9McrrICVoQlM/Gp6CJBGd4t2MlEJTHeqXdi9eqJA5Mi//31tXbeW L8OxKPKUErOfYI7BRX27n3thzpGR6VIyslTH2r913Wf6wrjq9JE2Tz5xf8ShCpLZB5DJ tDVg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=NRFNfWu56kkzzF2baqz39rI6gVA3xLi6nUY9pbACpq4=; b=YglWTFJ2CYExkY8zps5Jov5hGSB4HWWf84cwXOBer5BLPBXIKIcF/cLpWh9/SzyZsO bXLgFzXzEDCRwVNkcghxfr5a7BfaIQPvqUXJUNHwY2FOj31gTiT/ZioyAb843mWDh9yv cnKwU9pmzGtectc8jLXi0HrQK75vaLEPCjaFPAFEq43D3U97X4hZVr9wVp5lU0wnz8V0 WXlKETkkooq09ng+4CUiR9LWy7Y8rJROyaO/tF4cTDyjYoaXW659Z+T6MhfbIdNY+64t anyE19gLdc96I7IZJ3ZEeVJLkKtCfgaX7zpkIDFmzIWmqfg5Avwx49XkVZLS74YhLgmt AhGQ== X-Gm-Message-State: AJIora/6ojiRAQeIhnKSd6/1mp5VtN4KhczfV9SeZ849y+jXe54Q4CM6 6kEgylSnT9oAEuFX94yrIK0hG74T7ryT2A== X-Google-Smtp-Source: AGRyM1sYiy6XXEtqdQYLTbUqqT8I9fZ2ih2r2FkDN0kAHbQm47V8U0Qxn6lHXMeJCeI3uhFKyzALvQ== X-Received: by 2002:a17:902:ce8c:b0:16c:4be6:254d with SMTP id f12-20020a170902ce8c00b0016c4be6254dmr12888199plg.51.1658765503262; Mon, 25 Jul 2022 09:11:43 -0700 (PDT) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id h5-20020a170902b94500b001635b86a790sm9411573pls.44.2022.07.25.09.11.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Jul 2022 09:11:42 -0700 (PDT) Sender: Guenter Roeck Date: Mon, 25 Jul 2022 09:11:41 -0700 From: Guenter Roeck To: Linus Torvalds Cc: Linux Kernel Mailing List Subject: Re: Linux 5.19-rc8 Message-ID: <20220725161141.GA1306881@roeck-us.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jul 24, 2022 at 01:42:18PM -0700, Linus Torvalds wrote: > As already mentioned last week, this release is one of those "extra > week of rc" ones, and here we are, with release candidate #8. > > There's nothing really surprising in here - a few smaller fixups for > the retbleed mess as expected, and the usual random one-liners > elsewhere. > > The diffstat shows mainly some documentation updates and a couple of > drivers with bigger fixes (eg the i916 GuC firmware thing), and the > networking sysctl data-race annotations. > > So it all just makes me go "yeah, I'm happy to have done another rc, > but there is nothing particularly interesting here". Which is all > fine. Shortlog appended for the curious among you. > > We'll let this simmer for another week, and please do give it another > round of testing to make this last week count, ok? > Build results: total: 150 pass: 150 fail: 0 Qemu test results: total: 489 pass: 489 fail: 0 I still randomly see BUG: KFENCE: out-of-bounds read in _find_next_bit_le+0x10/0x48 That is not a new problem; I see it with some arm boot tests whenever KFENCE is enabled. I attached a trace with decoded symbols below. Maybe someone with more experience than me can figure out if this is an arm specific problem or a test problem or a qemu problem. Guenter --- test_bitmap: parselist: 14: input is '0-2047:128/256' OK, Time: 11667 ================================================================== BUG: KFENCE: out-of-bounds read in _find_next_bit_le (arch/arm/lib/findbit.S:88) Out-of-bounds read at 0xef59e000 (4096B right of kfence-#93): _find_next_bit_le (arch/arm/lib/findbit.S:88) kfence-#93: 0xef59d000-0xef59dfff, size=4096, cache=kmalloc-4k allocated by task 1 on cpu 1 at 18.432911s: test_bitmap_printlist (./include/linux/slab.h:600 lib/test_bitmap.c:452) test_bitmap_init (lib/test_bitmap.c:883 lib/test_bitmap.c:889) do_one_initcall (./include/linux/jump_label.h:261 ./include/linux/jump_label.h:271 ./include/trace/events/initcall.h:48 init/main.c:1296) kernel_init_freeable (init/main.c:1367 init/main.c:1384 init/main.c:1403 init/main.c:1610) kernel_init (init/main.c:1501) ret_from_fork (arch/arm/kernel/entry-common.S:149) 0x0 CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.19.0-rc8 #1 Hardware name: Samsung Exynos (Flattened Device Tree) PC is at _find_next_bit_le (arch/arm/lib/findbit.S:88) LR is at bitmap_list_string.constprop.0 (lib/vsprintf.c:1246) pc : lr : psr: 20000113 sp : f082dc70 ip : 00000001 fp : 00000001 r10: 00000000 r9 : 0000002d r8 : ef59d000 r7 : c0e55514 r6 : c2215000 r5 : 00008000 r4 : 00008000 r3 : 845cac12 r2 : 00008001 r1 : 00008000 r0 : ef59d000 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 10c5387d Table: 4000406a DAC: 00000051 CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.19.0-rc8 #1 Hardware name: Samsung Exynos (Flattened Device Tree) unwind_backtrace from show_stack (arch/arm/kernel/traps.c:255) show_stack from dump_stack_lvl (lib/dump_stack.c:107) dump_stack_lvl from kfence_report_error (mm/kfence/report.c:262) kfence_report_error from kfence_handle_page_fault (mm/kfence/core.c:1151) kfence_handle_page_fault from __do_kernel_fault.part.0 (arch/arm/mm/fault.c:143) __do_kernel_fault.part.0 from do_page_fault (arch/arm/mm/fault.c:380) do_page_fault from do_DataAbort (arch/arm/mm/fault.c:539) do_DataAbort from __dabt_svc (arch/arm/kernel/entry-armv.S:214) Exception stack(0xf082dc20 to 0xf082dc68) dc20: ef59d000 00008000 00008001 845cac12 00008000 00008000 c2215000 c0e55514 dc40: ef59d000 0000002d 00000000 00000001 00000001 f082dc70 c0715930 c06ff18c dc60: 20000113 ffffffff __dabt_svc from _find_next_bit_le (arch/arm/lib/findbit.S:88) ================================================================== test_bitmap: bitmap_print_to_pagebuf: input is '0-32767 ', Time: 15696250