From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 225C6192D80 for ; Mon, 18 Nov 2024 10:38:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731926306; cv=none; b=cK170925zg1vuDLIxJ8ljtgqFHRuBguYVdY+aO7DAmgcxcBT0/WKZNFYKIlLJIy5x6EHoZza7Lz0x9s+39y97oWfBXP/EUSJ6TIG5w2vhV90r+Fh1Zc5Wca+2aKiKsvSbj/dDqGjYU7ptb1WWTcYgJsI9ccKqPFm5M4x9LUw5tU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731926306; c=relaxed/simple; bh=CV0m8hWlTFP6hrBpjHl9QHaq9B9avV5kZpp/Vx453YU=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=ZOhbFs2xp4noc32X1q+WMHKSgtcvniMEBLhL2xOYNCjyKiHnK08zXKDUa8+S9kYgymBZ3jUmm+Nl0r5afGnuAE/WLShYgDXGHCOH6x/HUd+EnzKe2uDmnXpa87/TJAwVdIUX78+XQeVh1miLlJG8IZXixTJ5+InT3f0emvm0h7I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f197.google.com with SMTP id e9e14a558f8ab-3a3c5a6c5e1so49867335ab.2 for ; Mon, 18 Nov 2024 02:38:24 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731926304; x=1732531104; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=RL++3rvcYxgggNcQ8+ApKeS+QpSbKdlpAd9n4OjKSQA=; b=haF681FUOG+oboUk8S+UXvybmRIIJtGIBGS4rOIqWRvE3y+ukXrKaKFUQx2dxv0efi LCLgGZcUDTgJtmJQ2XWko3i+5xsNZVB4Zu2L1JVTfuc3IJcKLajcjfGNNeDpG8mpeuZr cx0xOT5ekzHdGuNPZRqTm1dPLeb7tSVU6mjYJNK3ZQuQGleVnq935ZRslVFUgxlDU/Hk 75tN293AjVPiUh5DoG4uDUYYBZMw9e5WerkWoGN9ddFJ5tz+59olRfXI6fPupiEMqQbe 1+9E1Zk9/oe6uN0Qk5DzpBSjHALCKG8LB9GzDk6tkHLIn8y/cC8i5C8ZE0BT3DJVAZNK U4mw== X-Forwarded-Encrypted: i=1; AJvYcCWmtBctPvP7PZSh5K7/e6866S1VyNd1/zWay9whyxdCjvouDxty+6X9h+0KGpI0lQLxu+zr1E8=@vger.kernel.org X-Gm-Message-State: AOJu0YyqXu4nITdumzPbiACOMhcgmcuGDMkz5Slzia7r9AgcCJy1NWmc 6eokRFXTvU8M735sKOLSw/XopiZs2bkTD2DYQw0CIHTMSATYs/YxM32/s3kQjjLjon7Ag2EQ9Gs 7MeZxqbfOBr53M6AsFoAwQz2spMh6J6L7lVJT45qNfABaMMkpMb2dFlY= X-Google-Smtp-Source: AGHT+IGMdlr8SMb6RQRTSk2flR90ojGRKtuDztYbZGssrp0D1N4IVIgWk2QPaYQVMa50/9g40CBDkhM8cRE33CL2oT9T6ei4E/5h Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a8b:b0:3a7:6f0f:122e with SMTP id e9e14a558f8ab-3a76f0f1b1bmr6888215ab.10.1731926304304; Mon, 18 Nov 2024 02:38:24 -0800 (PST) Date: Mon, 18 Nov 2024 02:38:24 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <673b1920.050a0220.87769.002b.GAE@google.com> Subject: [syzbot] [tipc?] general protection fault in tipc_topsrv_exit_net (2) From: syzbot To: davem@davemloft.net, edumazet@google.com, horms@kernel.org, jmaloy@redhat.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, tipc-discussion@lists.sourceforge.net, ying.xue@windriver.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 2d5404caa8c7 Linux 6.12-rc7 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1148735f980000 kernel config: https://syzkaller.appspot.com/x/.config?x=c3a3896a92fb300b dashboard link: https://syzkaller.appspot.com/bug?extid=2f6f00fd43edc2129fa5 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/f7fdf3a28c09/disk-2d5404ca.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/37016caab507/vmlinux-2d5404ca.xz kernel image: https://storage.googleapis.com/syzbot-assets/ee15f845ad51/bzImage-2d5404ca.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+2f6f00fd43edc2129fa5@syzkaller.appspotmail.com bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): Released all slaves Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] CPU: 0 UID: 0 PID: 6899 Comm: kworker/u8:11 Not tainted 6.12.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Workqueue: netns cleanup_net RIP: 0010:__lock_acquire+0xe1/0x3ce0 kernel/locking/lockdep.c:5065 Code: d0 7c 08 84 d2 0f 85 96 14 00 00 8b 0d 10 58 f5 0e 85 c9 0f 84 dd 0d 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 02 2d 00 00 49 8b 04 24 48 3d 20 a7 79 93 0f 84 RSP: 0018:ffffc90003da78d8 EFLAGS: 00010016 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000003 RSI: 1ffff920007b4f2d RDI: 0000000000000018 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff905f808f R11: 0000000000000000 R12: 0000000000000018 R13: 0000000000000018 R14: 0000000000000000 R15: ffff88807bdd0000 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2441c0 CR3: 000000007bc68000 CR4: 0000000000350ef0 Call Trace: lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5825 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170 put_pwq_unlocked kernel/workqueue.c:1662 [inline] put_pwq_unlocked kernel/workqueue.c:1655 [inline] destroy_workqueue+0x5dd/0xaa0 kernel/workqueue.c:5883 tipc_topsrv_work_stop net/tipc/topsrv.c:653 [inline] tipc_topsrv_stop net/tipc/topsrv.c:717 [inline] tipc_topsrv_exit_net+0x2a4/0x3b0 net/tipc/topsrv.c:730 ops_exit_list+0xb3/0x180 net/core/net_namespace.c:173 cleanup_net+0x5b7/0xb40 net/core/net_namespace.c:626 process_one_work+0x9c8/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c4/0x3a0 kernel/kthread.c:389 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0xe1/0x3ce0 kernel/locking/lockdep.c:5065 Code: d0 7c 08 84 d2 0f 85 96 14 00 00 8b 0d 10 58 f5 0e 85 c9 0f 84 dd 0d 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 02 2d 00 00 49 8b 04 24 48 3d 20 a7 79 93 0f 84 RSP: 0018:ffffc90003da78d8 EFLAGS: 00010016 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000003 RSI: 1ffff920007b4f2d RDI: 0000000000000018 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff905f808f R11: 0000000000000000 R12: 0000000000000018 R13: 0000000000000018 R14: 0000000000000000 R15: ffff88807bdd0000 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2441c0 CR3: 000000007bc68000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: d0 7c 08 84 sarb -0x7c(%rax,%rcx,1) 4: d2 0f rorb %cl,(%rdi) 6: 85 96 14 00 00 8b test %edx,-0x74ffffec(%rsi) c: 0d 10 58 f5 0e or $0xef55810,%eax 11: 85 c9 test %ecx,%ecx 13: 0f 84 dd 0d 00 00 je 0xdf6 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 4c 89 e2 mov %r12,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 02 2d 00 00 jne 0x2d36 34: 49 8b 04 24 mov (%r12),%rax 38: 48 3d 20 a7 79 93 cmp $0xffffffff9379a720,%rax 3e: 0f .byte 0xf 3f: 84 .byte 0x84 --- 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. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup