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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 9F688C18E5B for ; Wed, 25 Mar 2020 08:46:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5C202206F8 for ; Wed, 25 Mar 2020 08:46:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=xs4all.nl header.i=@xs4all.nl header.b="lQDQi0QD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727402AbgCYIp7 (ORCPT ); Wed, 25 Mar 2020 04:45:59 -0400 Received: from lb3-smtp-cloud9.xs4all.net ([194.109.24.30]:48969 "EHLO lb3-smtp-cloud9.xs4all.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726906AbgCYIp6 (ORCPT ); Wed, 25 Mar 2020 04:45:58 -0400 Received: from surfplank2.hierzo ([IPv6:2001:981:a812:0:b62e:99ff:fe92:5264]) by smtp-cloud9.xs4all.net with ESMTPA id H1fejanokfHuvH1ffjwMR1; Wed, 25 Mar 2020 09:45:55 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xs4all.nl; s=s1; t=1585125955; bh=86wzzks4jqlP5+0t8kensoltEG205KMzBv/NOMbBvlc=; h=Subject:From:To:Message-ID:Date:MIME-Version:Content-Type:From: Subject; b=lQDQi0QDWUBDiheZaXAgzGv0cEr+UHx3H/7x82C+867hNahuOxNWSIjLnJ2NSuREq f+3VyJOMjdx68PFDaUuXrVElVHpQnjSWsBZTSyXffHZEJxHsluy3HpjXU1f1xZGNCu aeI2ZHOVMl2HFx0h4aXx4D7APIeWQbyhKMhmm3g/TYlEuFg6SzccLd7SDM8VCNt3ha flX8jDYVE6qv6x0QdUcxWqBeyv7gT57c8PVf3cJbXJnG+VYNrfb1GdKQVQp6qzVVIG TGLdSe5hxyyc0CqqHaIM724BydjBDesPi6+fAr86oVCYFCVslryXClBFiANt2dFQT/ Y267UK1XpdZSA== Subject: Re: 5.3.18: BUG: kernel NULL pointer dereference From: Udo van den Heuvel To: "linux-kernel@vger.kernel.org" References: <93308fad-2462-c8f9-99b2-d8c8aab241d3@xs4all.nl> Autocrypt: addr=udovdh@xs4all.nl; prefer-encrypt=mutual; keydata= mQINBFTtuO0BEACwwf5qDINuMWL9poNLJdZh/FM5RxwfCFgfbM29Aip4wAUD3CaQHRLILtNO Oo4JwIPtDp7fXZ3MB82tqhBRU3W3HVHodSzvUk2VzV0dE1prJiVizpPtIeYRRDr4KnWTvJOx Fd3I7CiLv8oTH9j5yPTMfZ58Prp6Fgssarv66EdPWpKjQMY4mS8sl7/3SytvXiACeFTYPBON 1I2yPIeYK4pKoMq9y/zQ9RjGai5dg2nuiCvvHANzKLJJ2dzfnQNGaCTxdEAuCbmMQDb5M+Gs 8AT+cf0IWNO4xpExo61aRDT9N7dUPm/URcLjCAGenX10kPdeJP6I3RauEUU+QEDReYCMRnOM +nSiW7C/hUIIbiVEBn9QlgmoFINO3o5uAxpQ2mYViNbG76fnsEgxySnasVQ57ROXdEfgBcgv YSl4anSKyCVLoFUFCUif4NznkbrKkh7gi26aNmD8umK94E3a9kPWwXV9LkbEucFne/B7jHnH QM6rZImF+I/Xm5qiwo3p2MU4XjWJ1hhf4RBA3ZN9QVgn5zqluGHjGChg/WxhZVRdBl8Un3AY uixd0Rd9jFSUhZm/rcgoKyeW6c1Vkh8a2F+joZ/8wzxk6A8keiWq/pE00Lo9/Ed2w5dVBe1p N7rNh2+7DjAqpCSshYIsHYs0l5Q2W+0zYfuPM1kRbUdQF1PK0wARAQABtCVVZG8gdmFuIGRl biBIZXV2ZWwgPHVkb3ZkaEB4czRhbGwubmw+iQJiBBMBAgBMJhpodHRwOi8vcGluZGFyb3Rz LnhzNGFsbC5ubC9wb2xpY3kudHh0AhsDBgsJCAcDAgYVCAIJCgsEFgIDAQIeAQIXgAUCVkiW pwIZAQAKCRCOFcDCBOMObsjdD/oDH+DvcAFakVThGdFi00o1W0j7fFcPhrP34Ulf+5idkgJm RzarJrz7Av7L6fwCS3JtrzfEJ+qoP84ONxnhNhj5ItHpVUlxyRWPBisklNlGJWK277Naw3BT mql2edPRIcR5Ypd8O7DBXIypG0CigjOVWfWLspjLmEGlinqpjHWuv4/LJ3qwSbbpW0rXpb44 xSWB+u605pfrO3vDox5ORGCLktN8IXWISm9mS6vSXAi797KHwVX55OsiKqCbNkSM3bl6XfHh CPUpbOHXHzZXvP7JTINZfSfTPJx0iWCn3KArcsy7MzSwpUpUpDizrWwVRW1XySQydb8m+lnl 8IVpJFiXiFEYGhFYU9HbUFSNGku134O5tf3VurfpOXmxGyeoyXWt4m9l7fcSaBAZq21iJT+S VCSmsI0JfhxMHjMbwdghPQ3UYK4q95TOcVRUkH0h+b2cZPirol4htc+ZCSzPKI++AGjXWIc5 ZyQbthmFesrYGGttNIFFWsj3RUkyB58toDE7gXmarkhBg74tsSGbCyJp8/foy5hrci5sSi5P cygZxEDytCTNw1Dno/EAHUOpI2lJsVN8ACws16a6vh/UgQnBPsVFgVd0HSnlEX9XLO65lHlX aXo0zXomy+DDYD1sKARt8sKJk/H/VGs3SMRH3QtSBtWcUQKyJXMafWP/8A1Bz7kCDQRU7bjt ARAAwdK6VLsLLfyqYuA2/X+agquHh3U44IVxuRGAjQ7NSec9il+ENpbsaK6QGFBlyaWHkqcL e2u7DWTmG1uBqU9XqXGgeQJiOY8aof0rMsOVd1yYZsQO7+t2yfMOuS9+eRDxxj5l8gZXOKl3 eQ5akqlKIWJy4G4D5pwCKuA5XFphpikPLm84Fb4V8IgRuiHaeHjeZyfkwYhKqxiyneGZ387b S3r4pMKprXlvFzWTr+x2TxexAECP3Tjg9ZakOIaVmgvFtl8L12ib6YJke7HxY/a3P3Glt+Zl 5r/qcbWQoqyKBX+flWAjCPw+9EbdQNjBnIes3sPTTZ4YP4s2qC9rd/afeTSy3iUJhjGrEF+5 d0AB1F+ZipmnZkGFF7tlvu6T/66JzsndOiEaLBYUa4VqJ+T0pvgX+MkbueYaQlsDl9eB24sC HTwfexUnvK5sUKnFFn5ZYZoIein2XHXb8EjbiT1G3G0Yj/q/DrRH1T7EiP6JPIIFdVVccnth j6rinWVJPiXRC8Gby/uSZP8t7HmQRYKV+xCESfRb4ZEfZqVm1/3wo3wYL5ek71yLEZC57+Hb RWgjaZuQg7Pn59Bh+M6cx5xTdyQ3PSeR14uXWLvMnVO2yF5pd6Ou2ySWatgtqmeTd77MpJ9+ mPZTSG/lDGXpL2s1P6GiroiY0g3aicCgObwzr/MAEQEAAYkCRgQYAQIAMAUCVO247SYaaHR0 cDovL3BpbmRhcm90cy54czRhbGwubmwvcG9saWN5LnR4dAIbDAAKCRCOFcDCBOMObqXID/9+ lT7u4VJlreAFpSXOxwRlAtN88rzap3sZyQ1Z4YCxEZLHg4Ew2X0xS8w6t5jM4atOiuUW6fHY nI5KiYV7GARWWhZe/zsTjSs/tZVC68Q9qNwE1Ck+tuBV7d59l8qLBgQITsl6HCiYBaGJR2BF RdhP8a/aC6i3MWP8umK0yLJrV7gvP0sL8EKuz1zBARL5WuvzgsTA72QsilEQ/ZGYXwWnPOiI vTrGxZHD9apKOacSoY+CT+W+xe+tAKT0I8k4Ejda/hg6jMnaNNONX6rtiQEoUxv3R+iRhnaA NIsdTpUoZAbvFwStnRWgn+LgIMvKa5uW0Mjk0ynd14UxFluPs7J3saUukF4jXJGiWS2APD2K nNc7sAZraeSk/JFy0Y0WFCCr/UHzVLZnwdWpdw3inoIQeKtN2jWpuPP2l+4fgLybHJVnrDAs jujgAUTyaLDYoUryBiodY8G8gdZxTZvXk0RA9ux2TnFJJvdw8rR1sej5Lax1CZnQYwXNLvIi OcFUtIrTXnUj2uK2teab0RBIE4QedGoTGGHPuua8WqFpvVzC9iCIQlVtfGw6CVvq92icqbdz QYrlFbsVCXOM9TvO5ppqJowfdKmqFUjQPAsO40bwbphkt1NBalgZaxMCinpqEggVm/rGqbj2 JjyRAfO8kEkwCkTZ6/Mnrxsunx9VNLGDEw== Organization: hierzo Message-ID: <13ec21bf-30d9-9aa3-e6ae-b8635ada306f@xs4all.nl> Date: Wed, 25 Mar 2020 09:45:54 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <93308fad-2462-c8f9-99b2-d8c8aab241d3@xs4all.nl> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-CMAE-Envelope: MS4wfMP5ZUv5OaQ5n6/88MFV1hGKT9J7GqLT/orA68mTqeNFmNAZsj3UBHe6Fyrcwo7DHo9e5znCTBpQ2ih+DUGfDLV7o+FD9+B3YjOFLHpchB9Jt0X6gzFu 1N9vopWkkGzoXe8wUhRk+0Cdfyr9lDu4piYxXGU7P0p3j10kg8VRRoo3JEhpMdtE4HfjfPy2xmXQVxKkB2ZgWpfi0tNEhI6zFQ0Gvuibk4rgygyUB6UcMx1e h5cmnLlQLCnT3fjgAbjlLg== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, Another thingie in dmesg; how does this one relate to https://bugzilla.kernel.org/show_bug.cgi?id=206191 ? [68167.282624] BUG: kernel NULL pointer dereference, address: 0000000000000028 [68167.324320] #PF: supervisor read access in kernel mode [68167.355103] #PF: error_code(0x0000) - not-present page [68167.385880] PGD 0 P4D 0 [68167.401034] Oops: 0000 [#2] PREEMPT SMP NOPTI [68167.427127] CPU: 4 PID: 4510 Comm: transmission-gt Tainted: G D W 5.3.18 #25 [68167.476136] Hardware name: Gigabyte Technology Co., Ltd. X570 AORUS PRO/X570 AORUS PRO, BIOS F11 12/06/2019 [68167.534521] RIP: 0010:find_get_entry+0x80/0x130 [68167.561655] Code: 00 e8 f4 56 57 00 48 89 c2 48 3d 06 04 00 00 74 e4 48 3d 02 04 00 00 74 dc 48 85 c0 0f 84 a2 00 00 00 a8 01 0f 85 9f 00 00 00 <48> 8b 40 08 48 8d 78 ff a8 01 48 0f 44 fa 8b 47 34 85 c0 74 b6 8d [68167.674199] RSP: 0018:ffffa85243f2fce8 EFLAGS: 00010246 [68167.705499] RAX: 0000000000000020 RBX: 0000000000000000 RCX: ffffa2e9d1d6a240 [68167.748260] RDX: 0000000000000020 RSI: 0000000000000000 RDI: ffffa85243f2fce8 [68167.791018] RBP: ffffa2ea60cf14c8 R08: 0000000000004000 R09: 0000000000000000 [68167.833776] R10: 0000000000000000 R11: 0000000000000000 R12: ffffa2ea60cf14c8 [68167.876534] R13: 0000000000198a29 R14: 0000000000000000 R15: 0000000000198a29 [68167.919295] FS: 00007f967ed06700(0000) GS:ffffa2ea9f100000(0000) knlGS:0000000000000000 [68167.967782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [68168.002207] CR2: 0000000000000028 CR3: 000000040f44e000 CR4: 00000000003406e0 [68168.044965] Call Trace: [68168.059604] pagecache_get_page+0x22/0x220 [68168.084133] generic_file_read_iter+0x175/0x7d0 [68168.111270] ? __do_page_cache_readahead+0x18e/0x1b0 [68168.141008] new_sync_read+0x106/0x1a0 [68168.163449] vfs_read+0x98/0x120 [68168.182771] ksys_pread64+0x60/0xa0 [68168.203657] do_syscall_64+0x5f/0x2d0 [68168.225581] ? schedule+0x48/0xc0 [68168.245425] ? switch_fpu_return+0x24/0xc0 [68168.269954] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [68168.300214] RIP: 0033:0x7f968eb721af [68168.321620] Code: 08 89 3c 24 48 89 4c 24 18 e8 4d f3 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 11 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 2d 44 89 c7 48 89 04 24 e8 7d f3 ff ff 48 8b [68168.434168] RSP: 002b:00007f967ed05870 EFLAGS: 00000293 ORIG_RAX: 0000000000000011 [68168.479532] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f968eb721af [68168.522288] RDX: 0000000000004000 RSI: 00007f9668d2114d RDI: 0000000000000066 [68168.565047] RBP: 00007f967ed05920 R08: 0000000000000000 R09: 00007f967ed05920 [68168.607806] R10: 0000000198a27fde R11: 0000000000000293 R12: 0000000000004000 [68168.650561] R13: 0000000000000001 R14: 00007f9668021ac8 R15: 00007f966802a8f0 [68168.693323] Modules linked in: fuse mq_deadline ip6t_REJECT nf_reject_ipv6 xt_state ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast xt_MASQUERADE iptable_nat nf_nat ipt_REJECT nf_reject_ipv4 xt_u32 xt_multiport xt_tcpudp xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 it87 hwmon_vid msr iptable_filter uvcvideo videobuf2_vmalloc videobuf2_memops snd_usb_audio videobuf2_v4l2 snd_hwdep snd_usbmidi_lib videodev snd_hda_codec_realtek videobuf2_common snd_rawmidi cdc_acm snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core snd_seq snd_seq_device snd_pcm i2c_piix4 k10temp snd_timer snd bfq evdev acpi_cpufreq binfmt_misc ip_tables x_tables amdgpu hid_generic backlight sr_mod gpu_sched aesni_intel ttm cdrom usbhid i2c_dev autofs4 [68169.136045] CR2: 0000000000000028 [68169.165281] ---[ end trace 76feac8f53a00049 ]--- [68169.192938] RIP: 0010:queued_spin_lock_slowpath+0x178/0x1d0 [68169.226320] Code: 8b 45 00 48 85 c0 74 f5 48 89 c2 eb e4 c1 ea 12 83 e0 03 ff ca 48 c1 e0 04 48 63 d2 48 05 c0 ed 01 00 48 03 04 d5 20 d5 e0 b1 <48> 89 28 8b 45 08 85 c0 75 09 f3 90 8b 45 08 85 c0 74 f7 48 8b 45 [68169.338870] RSP: 0018:ffffa85240747a88 EFLAGS: 00010002 [68169.370168] RAX: 0001812dff56fe58 RBX: ffffa2e9c6690350 RCX: 0000000000000000 [68169.412923] RDX: 0000000000003199 RSI: 00000000c6690300 RDI: ffffa2e9c6690350 [68169.455683] RBP: ffffa2ea9f05edc0 R08: 0000000000000238 R09: 0000000000000002 [68169.498444] R10: ffffa2e9c6690348 R11: ffffa2ea8b08ed80 R12: 0000000000080000 [68169.541203] R13: 0000000000000001 R14: ffffa2e9c6690350 R15: ffffddcf0c8ad008 [68169.583959] FS: 00007f967ed06700(0000) GS:ffffa2ea9f100000(0000) knlGS:0000000000000000 [68169.632445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [68169.666872] CR2: 0000000000000028 CR3: 000000040f44e000 CR4: 00000000003406e0 On 25-03-2020 06:07, Udo van den Heuvel wrote: > Hello, > > Due to the unusable 5.4.x and 5.5.x kernels, see > https://bugzilla.kernel.org/show_bug.cgi?id=206191, I am running 5,3,18. > This kernel crashes way less. > It did show the fault below: > > [56279.400332] general protection fault: 0000 [#1] PREEMPT SMP NOPTI > [56279.436856] CPU: 1 PID: 233 Comm: kswapd0 Tainted: G W > 5.3.18 #25 > [56279.481174] Hardware name: Gigabyte Technology Co., Ltd. X570 AORUS > PRO/X570 AORUS PRO, BIOS F11 12/06/2019 > [56279.539562] RIP: 0010:queued_spin_lock_slowpath+0x178/0x1d0 > [56279.572948] Code: 8b 45 00 48 85 c0 74 f5 48 89 c2 eb e4 c1 ea 12 83 > e0 03 ff ca 48 c1 e0 04 48 63 d2 48 05 c0 ed 01 00 48 03 04 d5 20 d5 e0 > b1 <48> 89 28 8b 45 08 85 c0 75 09 f3 90 8b 45 08 85 c0 74 f7 48 8b 45 > [56279.685489] RSP: 0018:ffffa85240747a88 EFLAGS: 00010002 > [56279.716787] RAX: 0001812dff56fe58 RBX: ffffa2e9c6690350 RCX: > 0000000000000000 > [56279.759547] RDX: 0000000000003199 RSI: 00000000c6690300 RDI: > ffffa2e9c6690350 > [56279.802302] RBP: ffffa2ea9f05edc0 R08: 0000000000000238 R09: > 0000000000000002 > [56279.845063] R10: ffffa2e9c6690348 R11: ffffa2ea8b08ed80 R12: > 0000000000080000 > [56279.887823] R13: 0000000000000001 R14: ffffa2e9c6690350 R15: > ffffddcf0c8ad008 > [56279.930579] FS: 0000000000000000(0000) GS:ffffa2ea9f040000(0000) > knlGS:0000000000000000 > [56279.979068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [56280.013491] CR2: 00007f07ef659fe0 CR3: 00000003eaa7e000 CR4: > 00000000003406e0 > [56280.056253] Call Trace: > [56280.070891] _raw_spin_lock_irqsave+0x33/0x40 > [56280.096982] __remove_mapping+0x4a/0x1e0 > [56280.120469] shrink_page_list+0xb12/0xe60 > [56280.144477] shrink_inactive_list+0x1ad/0x350 > [56280.170573] shrink_node_memcg.isra.0+0x46e/0x7b0 > [56280.198747] shrink_node+0x80/0x2e0 > [56280.219631] balance_pgdat+0x239/0x4a0 > [56280.242078] kswapd+0x165/0x2f0 > [56280.260880] ? wait_woken+0x70/0x70 > [56280.281761] kthread+0xfb/0x130 > [56280.300562] ? balance_pgdat+0x4a0/0x4a0 > [56280.324052] ? kthread_park+0x70/0x70 > [56280.345980] ret_from_fork+0x22/0x40 > [56280.367383] Modules linked in: fuse mq_deadline ip6t_REJECT > nf_reject_ipv6 xt_state ip6table_filter ip6_tables > nf_conntrack_netbios_ns nf_conntrack_broadcast xt_MASQUERADE iptable_nat > nf_nat ipt_REJECT nf_reject_ipv4 xt_u32 xt_multiport xt_tcpudp > xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 it87 hwmon_vid > msr iptable_filter uvcvideo videobuf2_vmalloc videobuf2_memops > snd_usb_audio videobuf2_v4l2 snd_hwdep snd_usbmidi_lib videodev > snd_hda_codec_realtek videobuf2_common snd_rawmidi cdc_acm > snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core snd_seq > snd_seq_device snd_pcm i2c_piix4 k10temp snd_timer snd bfq evdev > acpi_cpufreq binfmt_misc ip_tables x_tables amdgpu hid_generic backlight > sr_mod gpu_sched aesni_intel ttm cdrom usbhid i2c_dev autofs4 > [56280.442646] [drm] Fence fallback timer expired on ring gfx > [56280.773148] ---[ end trace 76feac8f53a00048 ]--- > [56280.773152] RIP: 0010:queued_spin_lock_slowpath+0x178/0x1d0 > [56280.773154] Code: 8b 45 00 48 85 c0 74 f5 48 89 c2 eb e4 c1 ea 12 83 > e0 03 ff ca 48 c1 e0 04 48 63 d2 48 05 c0 ed 01 00 48 03 04 d5 20 d5 e0 > b1 <48> 89 28 8b 45 08 85 c0 75 09 f3 90 8b 45 08 85 c0 74 f7 48 8b 45 > [56280.773155] RSP: 0018:ffffa85240747a88 EFLAGS: 00010002 > [56280.773156] RAX: 0001812dff56fe58 RBX: ffffa2e9c6690350 RCX: > 0000000000000000 > [56280.773157] RDX: 0000000000003199 RSI: 00000000c6690300 RDI: > ffffa2e9c6690350 > [56280.773157] RBP: ffffa2ea9f05edc0 R08: 0000000000000238 R09: > 0000000000000002 > [56280.773158] R10: ffffa2e9c6690348 R11: ffffa2ea8b08ed80 R12: > 0000000000080000 > [56280.773159] R13: 0000000000000001 R14: ffffa2e9c6690350 R15: > ffffddcf0c8ad008 > [56280.773160] FS: 0000000000000000(0000) GS:ffffa2ea9f040000(0000) > knlGS:0000000000000000 > [56280.773160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [56280.773161] CR2: 00007f07ef659fe0 CR3: 00000003eaa7e000 CR4: > 00000000003406e0 > [56280.773163] note: kswapd0[233] exited with preempt_count 1 > > > > What happened here? > Please let me know. > > Kind regards, > Udo >