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 E0E62C25B0C for ; Thu, 11 Aug 2022 07:30:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234395AbiHKHaZ (ORCPT ); Thu, 11 Aug 2022 03:30:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35880 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234393AbiHKHaZ (ORCPT ); Thu, 11 Aug 2022 03:30:25 -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 2586C5B06C for ; Thu, 11 Aug 2022 00:30:24 -0700 (PDT) Received: by mail-il1-f198.google.com with SMTP id d6-20020a056e020c0600b002deca741bc2so12077494ile.18 for ; Thu, 11 Aug 2022 00:30:24 -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=9QocR199mkPVq/GgHt8+teP0PhBjbHEosob0+fChonA=; b=3sn0SPw84B1FdZYcaG3wCRcb81q/TND4AuzDjavRAj+imvApBbZkXJmBpTW+qQs+0c kgpBsOECIqgWvmkRSXr/7M7otf/h2Ih3vp1wzWAa1+1lTjHzh/QX3NPOIevA2h9loAQM OX+BWzQGkK/G5PiTMpIZPB5cvKvx+y0kwhNsCY0tHhXU6aNFdTPa2VBcXQfxqgvjqVbx IDNYWuzG1AWGqL9ksZ1XIol+7wNsr1SyM0KT2j6KoZXFch7JvNjwIpjZX9uxCreGZh/B 89AmWYSa++kmnjA+wAXzpojO2CrwFzN0QLEVcajTczcFkSvWw2XSqfN969kMwd3ccb/d ojHw== X-Gm-Message-State: ACgBeo3QeNe2JWtpl+yfrlpr+a74tXtFF1RBuIp5TjphgmBPDB5pl0vO qos0hLva3T9PATF6aXoDuBJYMx7VZB1w28UNzo8Sx3Ujzgfo X-Google-Smtp-Source: AA6agR6vvwHX/K7gKjlAzesY1ybwiV5h4uilY0HAuXFgjjKlMID+RA0WJy8CxfGADrbfQ5JPD2QG7weCwTUpnZzlDhrqDmjRmjLv MIME-Version: 1.0 X-Received: by 2002:a02:2718:0:b0:33f:7a76:baa4 with SMTP id g24-20020a022718000000b0033f7a76baa4mr14364801jaa.277.1660203023500; Thu, 11 Aug 2022 00:30:23 -0700 (PDT) Date: Thu, 11 Aug 2022 00:30:23 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007891b705e5f2239b@google.com> Subject: [syzbot] linux-next boot error: BUG: unable to handle kernel paging request in kobject_get From: syzbot To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-next@vger.kernel.org, rafael@kernel.org, sfr@canb.auug.org.au, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 40d43a7507e1 Add linux-next specific files for 20220811 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=1469a753080000 kernel config: https://syzkaller.appspot.com/x/.config?x=a5ae8cfa8d7075d1 dashboard link: https://syzkaller.appspot.com/bug?extid=47766a292ef15310f377 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+47766a292ef15310f377@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: ffffdd1020000007 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 11828067 P4D 11828067 PUD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.19.0-next-20220811-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:kobject_get+0x30/0x150 lib/kobject.c:623 Code: 53 e8 14 0b 5b fd 4d 85 e4 0f 84 a2 00 00 00 e8 06 0b 5b fd 49 8d 7c 24 3c 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 e7 00 00 00 RSP: 0000:ffffc900000677e0 EFLAGS: 00010a03 RAX: dffffc0000000000 RBX: ffff88801f753800 RCX: 0000000000000000 RDX: 1fffe11020000007 RSI: ffffffff8420fafa RDI: ffff08810000003c RBP: ffff888147a408a8 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff088100000000 R13: ffff888147a408f8 R14: 1ffff9200000cf09 R15: ffff088100000000 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffdd1020000007 CR3: 000000000bc8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: get_device drivers/base/core.c:3612 [inline] device_add+0x297/0x1e90 drivers/base/core.c:3437 wiphy_register+0x1ee8/0x2a40 net/wireless/core.c:928 ieee80211_register_hw+0x22a3/0x3eb0 net/mac80211/main.c:1379 mac80211_hwsim_new_radio+0x255f/0x4dd0 drivers/net/wireless/mac80211_hwsim.c:4129 init_mac80211_hwsim+0x5aa/0x73b drivers/net/wireless/mac80211_hwsim.c:5379 do_one_initcall+0xfe/0x650 init/main.c:1299 do_initcall_level init/main.c:1374 [inline] do_initcalls init/main.c:1390 [inline] do_basic_setup init/main.c:1409 [inline] kernel_init_freeable+0x6b1/0x73a init/main.c:1616 kernel_init+0x1a/0x1d0 init/main.c:1505 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Modules linked in: CR2: ffffdd1020000007 ---[ end trace 0000000000000000 ]--- RIP: 0010:kobject_get+0x30/0x150 lib/kobject.c:623 Code: 53 e8 14 0b 5b fd 4d 85 e4 0f 84 a2 00 00 00 e8 06 0b 5b fd 49 8d 7c 24 3c 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 e7 00 00 00 RSP: 0000:ffffc900000677e0 EFLAGS: 00010a03 RAX: dffffc0000000000 RBX: ffff88801f753800 RCX: 0000000000000000 RDX: 1fffe11020000007 RSI: ffffffff8420fafa RDI: ffff08810000003c RBP: ffff888147a408a8 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff088100000000 R13: ffff888147a408f8 R14: 1ffff9200000cf09 R15: ffff088100000000 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffdd1020000007 CR3: 000000000bc8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 53 push %rbx 1: e8 14 0b 5b fd callq 0xfd5b0b1a 6: 4d 85 e4 test %r12,%r12 9: 0f 84 a2 00 00 00 je 0xb1 f: e8 06 0b 5b fd callq 0xfd5b0b1a 14: 49 8d 7c 24 3c lea 0x3c(%r12),%rdi 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2e: 48 89 fa mov %rdi,%rdx 31: 83 e2 07 and $0x7,%edx 34: 38 d0 cmp %dl,%al 36: 7f 08 jg 0x40 38: 84 c0 test %al,%al 3a: 0f 85 e7 00 00 00 jne 0x127 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.