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 11B11C00140 for ; Sun, 21 Aug 2022 04:44:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229655AbiHUEoe (ORCPT ); Sun, 21 Aug 2022 00:44:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56570 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229379AbiHUEo0 (ORCPT ); Sun, 21 Aug 2022 00:44:26 -0400 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AFEAA14087 for ; Sat, 20 Aug 2022 21:44:24 -0700 (PDT) Received: by mail-il1-f198.google.com with SMTP id k9-20020a056e021a8900b002e5bd940e96so6056703ilv.13 for ; Sat, 20 Aug 2022 21:44:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc; bh=bVZXnPdyq13OL3gTqrTuRwM/LzaBY2wVApRqSobDy+M=; b=EUw3i10HvHqDiQ1PYgqhNYFqF7PtPmHSTUvkeHVwcWkMFjQ2Pl5KzqpJyLW/RuzWBh wuoEExJRmWma1z0P9w/lhHkWkkdT9rzAxulrTXJwjxmBvx+qN3/pK5GGCuJ0lxE6lnWA SJ1iM0qo8Yic2/MGASL5XSwW/EmwHjEjBRZC0NBPlmWBLxOQWi0cdANd7+Y48/aKxpTa 4qndJ0MOKrGboVpI7IRPT+pI7UY0dLyW94Ojy085mfO/OQKf06zw5V4gCSxorXxGHR8d MHG2IhUEQAe+bpmE8hZiNZLi4ngia36+IAgS92U0d39XkqMJNbWRvUS/s/9scdswo+nF NCIw== X-Gm-Message-State: ACgBeo0djTzZOZeCrX48E8kpkPstSZ+0JMBKwkez0aVjwlMbgyocEcrA BEk8qYst13hZ1iO093NSV4V+Ux1dVvqWrm8H8Bw1wLa0ZoyM X-Google-Smtp-Source: AA6agR4li2Niup/6JXfm8rwixUjv0fRIYSvRlavbxJvrRzUgYLE7razoFui2K7MDR37gpymzYNK4fxtM534c95mw32IKKOR0pwLD MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1bc8:b0:2e9:8401:477a with SMTP id x8-20020a056e021bc800b002e98401477amr1529904ilv.265.1661057064062; Sat, 20 Aug 2022 21:44:24 -0700 (PDT) Date: Sat, 20 Aug 2022 21:44:24 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004155f505e6b8fc3b@google.com> Subject: [syzbot] upstream boot error: BUG: unable to handle kernel paging request in kobject_add From: syzbot To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, rafael@kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 3cc40a443a04 Merge tag 'nios2_fixes_v6.0' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1525710d080000 kernel config: https://syzkaller.appspot.com/x/.config?x=3b9175e0879a7749 dashboard link: https://syzkaller.appspot.com/bug?extid=995136d881b59882b2b6 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: i386 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+995136d881b59882b2b6@syzkaller.appspotmail.com usbcore: registered new interface driver nfcmrvl Loading iSCSI transport class v2.0-870. scsi host0: Virtio SCSI HBA st: Version 20160209, fixed bufsize 32768, s/g segs 256 Rounding down aligned max_sectors from 4294967295 to 4294967288 db_root: cannot open: /etc/target slram: not enough parameters. ftl_cs: FTL header not found. wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) MACsec IEEE 802.1AE tun: Universal TUN/TAP device driver, 1.6 vcan: Virtual CAN interface driver vxcan: Virtual CAN Tunnel driver slcan: serial line CAN interface driver CAN device driver interface usbcore: registered new interface driver usb_8dev usbcore: registered new interface driver ems_usb usbcore: registered new interface driver gs_usb usbcore: registered new interface driver kvaser_usb usbcore: registered new interface driver mcba_usb usbcore: registered new interface driver peak_usb e100: Intel(R) PRO/100 Network Driver e100: Copyright(c) 1999-2006 Intel Corporation e1000: Intel(R) PRO/1000 Network Driver e1000: Copyright (c) 1999-2006 Intel Corporation. e1000e: Intel(R) PRO/1000 Network Driver e1000e: Copyright(c) 1999 - 2015 Intel Corporation. mkiss: AX.25 Multikiss, Hans Albas PE1AYX AX.25: 6pack driver, Revision: 0.3.0 AX.25: bpqether driver version 004 PPP generic driver version 2.4.2 PPP BSD Compression module registered PPP Deflate Compression module registered PPP MPPE Compression module registered NET: Registered PF_PPPOX protocol family PPTP driver version 0.8.5 SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256) (6 bit encapsulation enabled). CSLIP: code copyright 1989 Regents of the University of California. SLIP linefill/keepalive option. hdlc: HDLC support module revision 1.22 LAPB Ethernet driver version 0.02 usbcore: registered new interface driver ath9k_htc usbcore: registered new interface driver carl9170 usbcore: registered new interface driver ath6kl_usb usbcore: registered new interface driver ar5523 usbcore: registered new interface driver ath10k_usb usbcore: registered new interface driver rndis_wlan mac80211_hwsim: initializing netlink BUG: unable to handle page fault for address: ffffdc0000000000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 11826067 P4D 11826067 PUD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.0.0-rc1-syzkaller-00017-g3cc40a443a04 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:string_nocheck lib/vsprintf.c:643 [inline] RIP: 0010:string+0x1bb/0x3d0 lib/vsprintf.c:725 Code: 48 3b 5c 24 08 74 4b e8 e3 42 59 fd 48 89 df 48 83 c3 01 48 b9 00 00 00 00 00 fc ff df 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 <0f> b6 04 08 38 d0 7f 08 84 c0 0f 85 cc 01 00 00 44 0f b6 63 ff 31 RSP: 0000:ffffc90000067410 EFLAGS: 00010046 RAX: 1fffe00000000000 RBX: ffff000000000001 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffffffff8422c86d RDI: ffff000000000000 RBP: ffffc900000676eb R08: 0000000000000005 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000001 R12: 00000000ffffffff R13: ffffc900000676e8 R14: ffff000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffdc0000000000 CR3: 000000000bc8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vsnprintf+0x71b/0x14f0 lib/vsprintf.c:2782 vprintk_store+0x2d8/0xae0 kernel/printk/printk.c:2155 vprintk_emit+0x14c/0x5f0 kernel/printk/printk.c:2252 vprintk+0x80/0x90 kernel/printk/printk_safe.c:50 _printk+0xba/0xed kernel/printk/printk.c:2292 kobject_add.cold+0x4a/0x5e lib/kobject.c:404 device_add+0x368/0x1e90 drivers/base/core.c:3452 device_create_groups_vargs+0x203/0x280 drivers/base/core.c:4194 device_create+0xdf/0x120 drivers/base/core.c:4236 mac80211_hwsim_new_radio+0x3ab/0x4dd0 drivers/net/wireless/mac80211_hwsim.c:3821 init_mac80211_hwsim+0x5aa/0x73b drivers/net/wireless/mac80211_hwsim.c:5379 do_one_initcall+0xfe/0x650 init/main.c:1296 do_initcall_level init/main.c:1369 [inline] do_initcalls init/main.c:1385 [inline] do_basic_setup init/main.c:1404 [inline] kernel_init_freeable+0x6b1/0x73a init/main.c:1611 kernel_init+0x1a/0x1d0 init/main.c:1500 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Modules linked in: CR2: ffffdc0000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:string_nocheck lib/vsprintf.c:643 [inline] RIP: 0010:string+0x1bb/0x3d0 lib/vsprintf.c:725 Code: 48 3b 5c 24 08 74 4b e8 e3 42 59 fd 48 89 df 48 83 c3 01 48 b9 00 00 00 00 00 fc ff df 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 <0f> b6 04 08 38 d0 7f 08 84 c0 0f 85 cc 01 00 00 44 0f b6 63 ff 31 RSP: 0000:ffffc90000067410 EFLAGS: 00010046 RAX: 1fffe00000000000 RBX: ffff000000000001 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffffffff8422c86d RDI: ffff000000000000 RBP: ffffc900000676eb R08: 0000000000000005 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000001 R12: 00000000ffffffff R13: ffffc900000676e8 R14: ffff000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffdc0000000000 CR3: 000000000bc8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 3b 5c 24 08 cmp 0x8(%rsp),%rbx 5: 74 4b je 0x52 7: e8 e3 42 59 fd callq 0xfd5942ef c: 48 89 df mov %rbx,%rdi f: 48 83 c3 01 add $0x1,%rbx 13: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 1a: fc ff df 1d: 48 89 f8 mov %rdi,%rax 20: 48 89 fa mov %rdi,%rdx 23: 48 c1 e8 03 shr $0x3,%rax 27: 83 e2 07 and $0x7,%edx * 2a: 0f b6 04 08 movzbl (%rax,%rcx,1),%eax <-- trapping instruction 2e: 38 d0 cmp %dl,%al 30: 7f 08 jg 0x3a 32: 84 c0 test %al,%al 34: 0f 85 cc 01 00 00 jne 0x206 3a: 44 0f b6 63 ff movzbl -0x1(%rbx),%r12d 3f: 31 .byte 0x31 --- This report is generated by a bot. 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