Received: by 2002:a89:413:0:b0:1fd:dba5:e537 with SMTP id m19csp135786lqs; Thu, 13 Jun 2024 06:14:35 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCW+022BEnIuMf4jYDhkxhxen/hN9IAgAZLZL4sCw0ARONhp6BKgQxtqinkygrD0IW4HZylGJLAYRGI1B1eyW7GEHa10x7+WYy/TC/zeVw== X-Google-Smtp-Source: AGHT+IFn5m/DZM5zcrGPKLl5z/WDYDNABNP7BtsIrSus20tRbIm6Yrgg1YclLEuky+UKLM8ghpMU X-Received: by 2002:a05:6870:d892:b0:251:8d0:1c82 with SMTP id 586e51a60fabf-25514b4dd5fmr5552387fac.5.1718284475299; Thu, 13 Jun 2024 06:14:35 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1718284475; cv=pass; d=google.com; s=arc-20160816; b=lM5kXnCKCwbTKTkGH4artx0FLAxvu+KnE9aPoJLiXIG1Ob8G6W1iNswyCN6NExmbpv rXnlOfLzqVrkR41FeuafDPRX7LDlgJad/gB/6+7fJjnER1oo0318ORxKWlSHcMX7kiKy supVPTqwNDBi+13ujDuMhNoCL13CDc3vC3y/R7WbA1gf6+wABfD99HNckwUgiPmc9TxV PoOq8acni8zHUxEOp8K4pX5ltW7zZgbg4ddDm7I/Fl0Nyop1HGslogqZZ34sxFmyWNKz LY5bwM7IZPKUu8tLgvoRliULNGxDGObxGU8FKqhqJn6XpqN9t/WNGkTCuN2WQzXqk7pM xMmQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-disposition:mime-version:list-unsubscribe:list-subscribe :list-id:precedence:message-id:subject:cc:to:from:date :dkim-signature; bh=tkLRx0qzK3Vjkr/PvXo5VQr2FzWv6mPfUIolCh71VTk=; fh=7QjQddnsrBKlG/NK1ep6YxAHv++bBW57i/sJG6AVxZA=; b=ew6gPMKF7VxxxmVXANvQ8XhYu+oAzECQjh8tyzmJ3InWpBCqviu9l3GmVkVysipndt 5VraGouuGa1m6eEjjCI2i6o3VMUDP94K4OcVPKLub1yUxtG8DsBxP9wBQttsFOh8AatE sQAaAua/bnG9V45HDnwVL+BNtuhCPJEssisikJ4mtxs/JCl34gx+OlvzG3cfYRUjvcdB GH+BRAdAG8e0O+mUeMZazWr9ZUTWuGof+saPnEX+83rylbxh20d3UCHmJU2Ls9KDluvC MFKHDcnpMiQW2HAzxyAyJFyjcBydeRwt5DBbBrI2fT9x1V/Gvh6UUaeQfECjZbaKYSnh pAdg==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@baylibre-com.20230601.gappssmtp.com header.s=20230601 header.b=SJ0mo4x7; arc=pass (i=1 spf=pass spfdomain=baylibre.com dkim=pass dkdomain=baylibre-com.20230601.gappssmtp.com); spf=pass (google.com: domain of linux-kernel+bounces-213260-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-213260-linux.lists.archive=gmail.com@vger.kernel.org" Return-Path: Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org. [2604:1380:45d1:ec00::1]) by mx.google.com with ESMTPS id ada2fe7eead31-48da4494dd8si211666137.532.2024.06.13.06.14.35 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Jun 2024 06:14:35 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-213260-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1; Authentication-Results: mx.google.com; dkim=pass header.i=@baylibre-com.20230601.gappssmtp.com header.s=20230601 header.b=SJ0mo4x7; arc=pass (i=1 spf=pass spfdomain=baylibre.com dkim=pass dkdomain=baylibre-com.20230601.gappssmtp.com); spf=pass (google.com: domain of linux-kernel+bounces-213260-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-213260-linux.lists.archive=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 6645F1C240EF for ; Thu, 13 Jun 2024 13:14:17 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 06B47145321; Thu, 13 Jun 2024 13:13:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b="SJ0mo4x7" Received: from mail-wr1-f52.google.com (mail-wr1-f52.google.com [209.85.221.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EDFEE1448C3 for ; Thu, 13 Jun 2024 13:13:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.52 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718284421; cv=none; b=Kriy6tHdYpq8R6krg9ymRQYaNYT2kJMPdN65u8ozMNuRZWtd+5PKcyUZkwj7V7TI+eB+EemIi+efLpns053/WoM6Y2xCIyRUabs1NwdUG1046nJSgiMWVKxMDovNmMMBWZ2nZ3ua5CXR0cz5QefyGvGOP5j+KBHd5rS3IE0kSt0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718284421; c=relaxed/simple; bh=VD67ZpN2s9KZt5l2gjS1CK2z4EJC2TGzZjZaATKTPxE=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=r+WwCOMC5YNnjOP921ZN7f69mlBxMQfru2kYZzU7nRljEVUSX0cNiuH4AnGjKIj3sUInMs5u9ceibUNgozre8UrRX0HRQSFWCwdc5oBDX6cbqVXCL51GE2YrfScnVU8K/daZl3TDx12Bfa9F7hNNW7hJXgsGSRFD/yPwbIZqX00= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com; spf=pass smtp.mailfrom=baylibre.com; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b=SJ0mo4x7; arc=none smtp.client-ip=209.85.221.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baylibre.com Received: by mail-wr1-f52.google.com with SMTP id ffacd0b85a97d-35f2c0b7701so659150f8f.0 for ; Thu, 13 Jun 2024 06:13:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20230601.gappssmtp.com; s=20230601; t=1718284416; x=1718889216; darn=vger.kernel.org; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :from:to:cc:subject:date:message-id:reply-to; bh=tkLRx0qzK3Vjkr/PvXo5VQr2FzWv6mPfUIolCh71VTk=; b=SJ0mo4x7ikxucYSeQugOqYKB/rERrEPVDEPrkfSdNCtt+6KSeZONUdJofCGD8cco8B Oa1ujOmclBmtsgoO0p0GkQE9+LX03qROoC9v5zGayuXpoP1Qu97VFdEaqXVAHyWtNoQI kyJXZD+e05Czl6SBj2G6PGt7uqk7sf3hmy8WmnXoN7/g9rp5ynIWDQorP935tnGjqE6P zqtvGp00srGAB1nUDxTpr7GuQKcWA1LxAQWlOv687E9ynt0k03FcPlNUX8zftQu8DTIH DxbO7DfYBAfRcMZRJyDkqFZrVYBEnHLjDoDsW/h3S1mLF0HEMWBXTctr3UAsA71IrOIY PzCQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718284416; x=1718889216; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=tkLRx0qzK3Vjkr/PvXo5VQr2FzWv6mPfUIolCh71VTk=; b=PtSA/9WRhd+FHNi7rlRQHXQmLWQq80gp0snjyqWLhpslTHtTP8trCJVSU9/Y2FGjtv 2le5neri3ZPrNfIQg4G45uOrKkxByqGZXbPvvaVg8nE7IP4sPPCyD4f5vK3YRWuZKr/k 5dUq1f6a/DGiirHw/hJEKwJE/ThHdrm67z8KeodYC9OzSnCIzfOtXsLNRPL+dI5RyDc7 namqsC4qv+DlF4H1WEq3hUjhaljLaHJhb1QWxb/Qv8NVV3BP3dwpnaKmo717UGlgbBjX /0q/ASA7t1+dN7U27WNbFpVg/dGDJGo8KS4iYWHvgxf/19yC111V+U29z1R8LjZ4FtWs 3jmg== X-Gm-Message-State: AOJu0Yy7ZSzM+NVFA6J2m+9BFLDsCMKuTs+5sTokVDNfpPKLmQDmJzIb 8bf5qzRCSce9bN/z5kX1Z1Ob8Qy4UyzhOQaaCPnJZCZaOdcWYiudz1dPMO+r8s+X8DjBOQZ8q7t PLZ4= X-Received: by 2002:adf:e501:0:b0:35f:32af:d7a with SMTP id ffacd0b85a97d-360718ec18amr2470282f8f.34.1718284415872; Thu, 13 Jun 2024 06:13:35 -0700 (PDT) Received: from Red ([2a01:cb1d:3d3:3500:4a02:2aff:fe07:1efc]) by smtp.googlemail.com with ESMTPSA id ffacd0b85a97d-360750f224esm1691409f8f.66.2024.06.13.06.13.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Jun 2024 06:13:35 -0700 (PDT) Date: Thu, 13 Jun 2024 15:13:33 +0200 From: Corentin LABBE To: sfrench@samba.org, pc@manguebit.com, ronniesahlberg@gmail.com, sprasad@microsoft.com, tom@talpey.com, bharathsm@microsoft.com, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org Cc: linux-kernel@vger.kernel.org Subject: cifs: BUG: kernel NULL pointer dereference Message-ID: 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=us-ascii Content-Disposition: inline Hello Since 6.6.30 and up to 6.8.12 ( will try more recent kernel soon), I get the following crash very often when using some CIFS share. Jun 12 11:07:11 upsquare kernel: BUG: kernel NULL pointer dereference, address: 0000000000000000 Jun 12 11:07:11 upsquare kernel: #PF: supervisor read access in kernel mode Jun 12 11:07:11 upsquare kernel: #PF: error_code(0x0000) - not-present page Jun 12 11:07:11 upsquare kernel: PGD 0 P4D 0 Jun 12 11:07:11 upsquare kernel: Oops: 0000 [#1] SMP NOPTI Jun 12 11:07:11 upsquare kernel: CPU: 1 PID: 16741 Comm: rsync Not tainted 6.6.30-gentoo #1 Jun 12 11:07:11 upsquare kernel: Hardware name: AAEON UP-APL01/UP-APL01, BIOS UPA1AM52 08/04/2020 Jun 12 11:07:11 upsquare kernel: RIP: 0010:strcmp+0x10/0x30 Jun 12 11:07:11 upsquare kernel: Code: 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 eb 08 48 83 c0 01 84 d2 74 13 <0f> b6 14 07 3a 14 06 74 ef 19 c0 83 c8 01 c3 cc cc cc cc 31 c0 c3 Jun 12 11:07:11 upsquare kernel: RSP: 0018:ffffc9000092fbb8 EFLAGS: 00010246 Jun 12 11:07:11 upsquare kernel: RAX: 0000000000000000 RBX: ffff88810a0fefaa RCX: 000000000097362e Jun 12 11:07:11 upsquare kernel: RDX: 0000000000000001 RSI: ffff88810a0fefaa RDI: 0000000000000000 Jun 12 11:07:11 upsquare kernel: RBP: ffffc9000092fdf0 R08: 0000000000000000 R09: 0000000000027470 Jun 12 11:07:11 upsquare kernel: R10: 0000000000000074 R11: 0000000000000001 R12: 0000000000000010 Jun 12 11:07:11 upsquare kernel: R13: ffff88813cd3a288 R14: ffff88813cd3a280 R15: ffff8881bb112200 Jun 12 11:07:11 upsquare kernel: FS: 00007feb05d14740(0000) GS:ffff888277c80000(0000) knlGS:0000000000000000 Jun 12 11:07:11 upsquare kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jun 12 11:07:11 upsquare kernel: CR2: 0000000000000000 CR3: 00000001678a6000 CR4: 00000000003506e0 Jun 12 11:07:11 upsquare kernel: Call Trace: Jun 12 11:07:11 upsquare kernel: Jun 12 11:07:11 upsquare kernel: ? __die+0x1e/0x60 Jun 12 11:07:11 upsquare kernel: ? page_fault_oops+0x158/0x440 Jun 12 11:07:11 upsquare kernel: ? __kmem_cache_free+0x81/0x270 Jun 12 11:07:11 upsquare kernel: ? exc_page_fault+0x325/0x600 Jun 12 11:07:11 upsquare kernel: ? cifsConvertToUTF16.part.0+0x1d0/0x3b0 [cifs] Jun 12 11:07:11 upsquare kernel: ? asm_exc_page_fault+0x26/0x30 Jun 12 11:07:11 upsquare kernel: ? strcmp+0x10/0x30 Jun 12 11:07:11 upsquare kernel: open_cached_dir+0x15a/0xaa0 [cifs] Jun 12 11:07:11 upsquare kernel: ? cifs_small_buf_get+0x15/0x30 [cifs] Jun 12 11:07:11 upsquare kernel: ? __smb2_plain_req_init+0xd2/0x220 [cifs] Jun 12 11:07:11 upsquare kernel: ? free_rsp_buf+0x2e/0x60 [cifs] Jun 12 11:07:11 upsquare kernel: ? SMB2_query_directory+0x146/0x230 [cifs] Jun 12 11:07:11 upsquare kernel: ? cifs_readdir+0xa3a/0xb50 [cifs] Jun 12 11:07:11 upsquare kernel: cifs_readdir+0xa3a/0xb50 [cifs] Jun 12 11:07:11 upsquare kernel: iterate_dir+0x83/0x140 Jun 12 11:07:11 upsquare kernel: __x64_sys_getdents64+0x83/0x120 Jun 12 11:07:11 upsquare kernel: ? __pfx_filldir64+0x10/0x10 Jun 12 11:07:11 upsquare kernel: do_syscall_64+0x39/0x90 Jun 12 11:07:11 upsquare kernel: entry_SYSCALL_64_after_hwframe+0x78/0xe2 Jun 12 11:07:11 upsquare kernel: RIP: 0033:0x7feb05de7213 Jun 12 11:07:11 upsquare kernel: Code: 89 df e8 80 50 fb ff 48 83 c4 08 48 89 e8 5b 5d c3 66 0f 1f 44 00 00 b8 ff ff ff 7f 48 39 c2 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 d1 fb 0f 00 f7 d8 Jun 12 11:07:11 upsquare kernel: RSP: 002b:00007fff832b06b8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 Jun 12 11:07:11 upsquare kernel: RAX: ffffffffffffffda RBX: 000055a08c788170 RCX: 00007feb05de7213 Jun 12 11:07:11 upsquare kernel: RDX: 0000000000100000 RSI: 000055a08c7881a0 RDI: 0000000000000003 Jun 12 11:07:11 upsquare kernel: RBP: 000055a08c788174 R08: 000000000000000a R09: 0000000000000000 Jun 12 11:07:11 upsquare kernel: R10: 0000000000000000 R11: 0000000000000293 R12: 000055a08c7881a0 Jun 12 11:07:11 upsquare kernel: R13: ffffffffffffff88 R14: 0000000000000000 R15: 000055a08c7882b8 Jun 12 11:07:11 upsquare kernel: Jun 12 11:07:11 upsquare kernel: Modules linked in: veth xt_nat xt_tcpudp xt_conntrack xt_MASQUERADE nfnetlink iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xt_addrtype br_ne tfilter bridge stp llc overlay md5 cmac cifs cifs_arc4 netfs nls_ucs2_utils cifs_md4 xts ecb dm_crypt iptable_filter ip_tables x_tables ipv6 iwlmvm mac80211 libarc4 iwlwifi sha256_generic li bsha256 i915 cfg80211 x86_pkg_temp_thermal rfkill i2c_algo_bit drm_buddy intel_gtt drm_display_helper ttm efivarfs Jun 12 11:07:11 upsquare kernel: CR2: 0000000000000000 Jun 12 11:07:11 upsquare kernel: ---[ end trace 0000000000000000 ]--- The other trace I got: Jun 7 21:15:21 upsquare kernel: BUG: kernel NULL pointer dereference, address: 0000000000000000 Jun 7 21:15:21 upsquare kernel: #PF: supervisor read access in kernel mode Jun 7 21:15:21 upsquare kernel: #PF: error_code(0x0000) - not-present page Jun 7 21:15:21 upsquare kernel: PGD 0 P4D 0 Jun 7 21:15:21 upsquare kernel: Oops: 0000 [#1] SMP NOPTI Jun 7 21:15:21 upsquare kernel: CPU: 1 PID: 26962 Comm: rsync Not tainted 6.6.30-gentoo #1 Jun 7 21:15:21 upsquare kernel: Hardware name: AAEON UP-APL01/UP-APL01, BIOS UPA1AM52 08/04/2020 Jun 7 21:15:21 upsquare kernel: RIP: 0010:strcmp+0x10/0x30 Jun 7 21:15:21 upsquare kernel: Code: 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 eb 08 48 83 c0 01 84 d2 74 13 <0f> b6 14 07 3a 14 06 74 ef 19 c0 83 c8 01 c3 cc cc cc cc 31 c0 c3 Jun 7 21:15:21 upsquare kernel: RSP: 0018:ffffc90000c3fbb8 EFLAGS: 00010246 Jun 7 21:15:21 upsquare kernel: RAX: 0000000000000000 RBX: ffff88810e2ebfcb RCX: 00000000004279db Jun 7 21:15:21 upsquare kernel: RDX: 0000000000000001 RSI: ffff88810e2ebfcb RDI: 0000000000000000 Jun 7 21:15:21 upsquare kernel: RBP: ffffc90000c3fdf0 R08: 0000000000000000 R09: 0000000000027470 Jun 7 21:15:21 upsquare kernel: R10: 0000000000000065 R11: 0000000000000001 R12: 0000000000000010 Jun 7 21:15:21 upsquare kernel: R13: ffff888107dcdd08 R14: ffff888107dcdd00 R15: ffff88818318fa00 Jun 7 21:15:21 upsquare kernel: FS: 00007fac604fe740(0000) GS:ffff888277c80000(0000) knlGS:0000000000000000 Jun 7 21:15:21 upsquare kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jun 7 21:15:21 upsquare kernel: CR2: 0000000000000000 CR3: 0000000145dae000 CR4: 00000000003506e0 Jun 7 21:15:21 upsquare kernel: Call Trace: Jun 7 21:15:21 upsquare kernel: Jun 7 21:15:21 upsquare kernel: ? __die+0x1e/0x60 Jun 7 21:15:21 upsquare kernel: ? page_fault_oops+0x158/0x440 Jun 7 21:15:21 upsquare kernel: ? __cond_resched+0x15/0x50 Jun 7 21:15:21 upsquare kernel: ? __kmem_cache_alloc_node+0x273/0x3f0 Jun 7 21:15:21 upsquare kernel: ? cifsConvertToUTF16.part.0+0x48/0x3b0 [cifs] Jun 7 21:15:21 upsquare kernel: ? exc_page_fault+0x325/0x600 Jun 7 21:15:21 upsquare kernel: ? cifsConvertToUTF16.part.0+0x1d0/0x3b0 [cifs] Jun 7 21:15:21 upsquare kernel: ? asm_exc_page_fault+0x26/0x30 Jun 7 21:15:21 upsquare kernel: ? strcmp+0x10/0x30 Jun 7 21:15:21 upsquare kernel: open_cached_dir+0x15a/0xaa0 [cifs] Jun 7 21:15:21 upsquare kernel: ? finish_wait+0x33/0x70 Jun 7 21:15:21 upsquare kernel: ? smb2_reconnect+0x11c/0x4d0 [cifs] Jun 7 21:15:21 upsquare kernel: ? SMB2_query_directory_init+0x43/0x160 [cifs] Jun 7 21:15:21 upsquare kernel: ? SMB2_query_directory+0x11b/0x230 [cifs] Jun 7 21:15:21 upsquare kernel: ? SMB2_query_directory+0x146/0x230 [cifs] Jun 7 21:15:21 upsquare kernel: ? cifs_readdir+0xa0d/0xb50 [cifs] Jun 7 21:15:21 upsquare kernel: cifs_readdir+0xa0d/0xb50 [cifs] Jun 7 21:15:21 upsquare kernel: iterate_dir+0x83/0x140 Jun 7 21:15:21 upsquare kernel: __x64_sys_getdents64+0x83/0x120 Jun 7 21:15:21 upsquare kernel: ? __pfx_filldir64+0x10/0x10 Jun 7 21:15:21 upsquare kernel: do_syscall_64+0x39/0x90 Jun 7 21:15:21 upsquare kernel: entry_SYSCALL_64_after_hwframe+0x78/0xe2 Jun 7 21:15:21 upsquare kernel: RIP: 0033:0x7fac605d1213 Jun 7 21:15:21 upsquare kernel: Code: 89 df e8 80 50 fb ff 48 83 c4 08 48 89 e8 5b 5d c3 66 0f 1f 44 00 00 b8 ff ff ff 7f 48 39 c2 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 d1 fb 0f 00 f7 d8 Jun 7 21:15:21 upsquare kernel: RSP: 002b:00007ffe27344878 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 Jun 7 21:15:21 upsquare kernel: RAX: ffffffffffffffda RBX: 00005562dcde33d0 RCX: 00007fac605d1213 Jun 7 21:15:21 upsquare kernel: RDX: 0000000000100000 RSI: 00005562dcde3400 RDI: 0000000000000003 Jun 7 21:15:21 upsquare kernel: RBP: 00005562dcde33d4 R08: 000000000000006f R09: 0000000000000000 Jun 7 21:15:21 upsquare kernel: R10: 0000000000000000 R11: 0000000000000293 R12: 00005562dcde3400 Jun 7 21:15:21 upsquare kernel: R13: ffffffffffffff88 R14: 0000000000000000 R15: 00005562dcde38d0 Jun 7 21:15:21 upsquare kernel: Jun 7 21:15:21 upsquare kernel: Modules linked in: xt_nat xt_tcpudp veth xt_conntrack xt_MASQUERADE nfnetlink iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xt_addrtype br_ne tfilter bridge stp llc overlay md5 cmac cifs cifs_arc4 netfs nls_ucs2_utils cifs_md4 xts ecb dm_crypt iptable_filter ip_tables x_tables ipv6 iwlmvm mac80211 libarc4 iwlwifi sha256_generic li bsha256 cfg80211 i915 x86_pkg_temp_thermal rfkill i2c_algo_bit drm_buddy intel_gtt drm_display_helper ttm efivarfs Jun 7 21:15:21 upsquare kernel: CR2: 0000000000000000 Jun 7 21:15:21 upsquare kernel: ---[ end trace 0000000000000000 ]--- Jun 12 17:55:26 upsquare kernel: BUG: kernel NULL pointer dereference, address: 0000000000000098 Jun 12 17:55:26 upsquare kernel: #PF: supervisor read access in kernel mode Jun 12 17:55:26 upsquare kernel: #PF: error_code(0x0000) - not-present page Jun 12 17:55:26 upsquare kernel: PGD 0 P4D 0 Jun 12 17:55:26 upsquare kernel: Oops: 0000 [#1] SMP NOPTI Jun 12 17:55:26 upsquare kernel: CPU: 3 PID: 14166 Comm: rsync Not tainted 6.8.12-gentoo #1 Jun 12 17:55:26 upsquare kernel: Hardware name: AAEON UP-APL01/UP-APL01, BIOS UPA1AM52 08/04/2020 Jun 12 17:55:26 upsquare kernel: RIP: 0010:open_cached_dir_by_dentry+0x5d/0xb0 [cifs] Jun 12 17:55:26 upsquare kernel: Code: 48 85 ed 75 25 48 8b 1b 48 39 c3 75 f8 41 c6 04 24 00 5b b8 fe ff ff ff 5d 41 5c 41 5d c3 cc cc cc cc 48 8b 1b 48 39 d8 74 e3 <48> 39 ab 98 00 00 00 75 ef 48 8d 7b 30 b8 01 00 00 00 f0 0f c1 43 Jun 12 17:55:26 upsquare kernel: RSP: 0018:ffffb604006ffb30 EFLAGS: 00010286 Jun 12 17:55:26 upsquare kernel: RAX: ffff9c2ac01ed788 RBX: 0000000000000000 RCX: 0000003100000000 Jun 12 17:55:26 upsquare kernel: RDX: 0000000000000001 RSI: ffff9c2acc7b2480 RDI: ffff9c2ac01ed780 Jun 12 17:55:26 upsquare kernel: RBP: ffff9c2acc7b2480 R08: 0000000000000064 R09: 616720796d2f7374 Jun 12 17:55:26 upsquare kernel: R10: 0000000000000002 R11: 0000000000000002 R12: ffff9c2ac01ed780 Jun 12 17:55:26 upsquare kernel: R13: ffffb604006ffb58 R14: d0d0d0d0d0d0d0d0 R15: 2f2f2f2f2f2f2f2f Jun 12 17:55:26 upsquare kernel: FS: 00007fe8fe06b740(0000) GS:ffff9c2c37d80000(0000) knlGS:0000000000000000 Jun 12 17:55:26 upsquare kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jun 12 17:55:26 upsquare kernel: CR2: 0000000000000098 CR3: 0000000120f9c000 CR4: 00000000003506f0 Jun 12 17:55:26 upsquare kernel: Call Trace: Jun 12 17:55:26 upsquare kernel: Jun 12 17:55:26 upsquare kernel: ? __die+0x1e/0x60 Jun 12 17:55:26 upsquare kernel: ? page_fault_oops+0x158/0x440 Jun 12 17:55:26 upsquare kernel: ? schedule_timeout+0x8a/0xf0 Jun 12 17:55:26 upsquare kernel: ? finish_wait+0x33/0x70 Jun 12 17:55:26 upsquare kernel: ? exc_page_fault+0x316/0x5c0 Jun 12 17:55:26 upsquare kernel: ? __pfx_autoremove_wake_function+0x10/0x10 Jun 12 17:55:26 upsquare kernel: ? asm_exc_page_fault+0x26/0x30 Jun 12 17:55:26 upsquare kernel: ? open_cached_dir_by_dentry+0x5d/0xb0 [cifs] Jun 12 17:55:26 upsquare kernel: cifs_dentry_needs_reval+0xa4/0x1a0 [cifs] Jun 12 17:55:26 upsquare kernel: cifs_revalidate_dentry_attr+0x3f/0x160 [cifs] Jun 12 17:55:26 upsquare kernel: cifs_revalidate_dentry+0xe/0x30 [cifs] Jun 12 17:55:26 upsquare kernel: cifs_d_revalidate+0x4e/0xd0 [cifs] Jun 12 17:55:26 upsquare kernel: lookup_fast+0x73/0xf0 Jun 12 17:55:26 upsquare kernel: walk_component+0x1a/0x150 Jun 12 17:55:26 upsquare kernel: link_path_walk.part.0.constprop.0+0x261/0x360 Jun 12 17:55:26 upsquare kernel: path_lookupat+0x39/0x1a0 Jun 12 17:55:26 upsquare kernel: ? flat_send_IPI_mask+0x15/0x30 Jun 12 17:55:26 upsquare kernel: filename_lookup+0xcf/0x1d0 Jun 12 17:55:26 upsquare kernel: ? inode_update_timestamps+0x69/0x160 Jun 12 17:55:26 upsquare kernel: ? file_update_time+0x62/0x80 Jun 12 17:55:26 upsquare kernel: vfs_statx+0x7b/0x170 Jun 12 17:55:26 upsquare kernel: vfs_fstatat+0xbf/0x100 Jun 12 17:55:26 upsquare kernel: __do_sys_newfstatat+0x26/0x60 Jun 12 17:55:26 upsquare kernel: ? __memcg_slab_free_hook+0xad/0x100 Jun 12 17:55:26 upsquare kernel: ? __x64_sys_close+0x38/0x80 Jun 12 17:55:26 upsquare kernel: ? kmem_cache_free+0x27d/0x2f0 Jun 12 17:55:26 upsquare kernel: ? syscall_exit_to_user_mode+0x54/0x120 Jun 12 17:55:26 upsquare kernel: do_syscall_64+0x4d/0x110 Jun 12 17:55:26 upsquare kernel: entry_SYSCALL_64_after_hwframe+0x78/0x80 Jun 12 17:55:26 upsquare kernel: RIP: 0033:0x7fe8fe16020a Jun 12 17:55:26 upsquare kernel: Code: 48 8b 15 11 dc 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 d9 db 0d 00 f7 Jun 12 17:55:26 upsquare kernel: RSP: 002b:00007fffeafa3308 EFLAGS: 00000202 ORIG_RAX: 0000000000000106 Jun 12 17:55:26 upsquare kernel: RAX: ffffffffffffffda RBX: 00007fffeafa3440 RCX: 00007fe8fe16020a Jun 12 17:55:26 upsquare kernel: RDX: 00007fffeafa3440 RSI: 00007fffeafa34d0 RDI: 00000000ffffff9c Jun 12 17:55:26 upsquare kernel: RBP: 0000000000000000 R08: 00005582c1429c9f R09: 0000000000000008 Jun 12 17:55:26 upsquare kernel: R10: 0000000000000100 R11: 0000000000000202 R12: 00007fffeafa34d0 Jun 12 17:55:26 upsquare kernel: R13: 00007fffeafa3440 R14: 00007fffeafa34d0 R15: 000000000000002e Jun 12 17:55:26 upsquare kernel: Jun 12 17:55:26 upsquare kernel: Modules linked in: md5 cmac cifs cifs_arc4 nls_ucs2_utils netfs cifs_md4 xts dm_crypt iptable_filter ip_tables x_tables ipv6 iwlmvm mac80211 libarc4 iwlwifi i915 sha256_generic libsha256 x86_pkg_temp_thermal cfg80211 rfkill i2c_algo_bit drm_buddy intel_gtt drm_display_helper ttm efivarfs Jun 12 17:55:26 upsquare kernel: CR2: 0000000000000098 Jun 12 17:55:26 upsquare kernel: ---[ end trace 0000000000000000 ]--- Regards