IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor931:8982] Modules linked in: irq event stamp: 10548 hardirqs last enabled at (10547): [] kvm_wait arch/x86/kernel/kvm.c:600 [inline] hardirqs last enabled at (10547): [] kvm_wait+0x14b/0x240 arch/x86/kernel/kvm.c:580 hardirqs last disabled at (10548): [] apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:793 softirqs last enabled at (772): [] __do_softirq+0x68b/0x9ff kernel/softirq.c:314 softirqs last disabled at (519): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (519): [] irq_exit+0x193/0x240 kernel/softirq.c:409 CPU: 0 PID: 8982 Comm: syz-executor931 Not tainted 4.14.262-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880af708000 task.stack: ffff888092338000 RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61 RSP: 0018:ffff88809233f960 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff11e127c RBX: ffffffff89dd666c RCX: 1ffff11015ee1129 RDX: dffffc0000000000 RSI: ffff8880af708928 RDI: ffff8880af708884 RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000000 watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor931:8984] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000286 Modules linked in: R13: dffffc0000000000 R14: ffffffff89dd666d R15: ffffed10174869e8 FS: 0000555556b77300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 irq event stamp: 36268 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556b77608 CR3: 0000000091d84000 CR4: 00000000003406f0 hardirqs last enabled at (36267): [] restore_regs_and_return_to_kernel+0x0/0x2a DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 hardirqs last disabled at (36268): [] apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:793 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: softirqs last enabled at (36266): [] __do_softirq+0x68b/0x9ff kernel/softirq.c:314 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline] kvm_wait arch/x86/kernel/kvm.c:600 [inline] kvm_wait+0x179/0x240 arch/x86/kernel/kvm.c:580 softirqs last disabled at (36249): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (36249): [] irq_exit+0x193/0x240 kernel/softirq.c:409 CPU: 1 PID: 8984 Comm: syz-executor931 Not tainted 4.14.262-syzkaller #0 pv_wait arch/x86/include/asm/paravirt.h:679 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:447 [inline] __pv_queued_spin_lock_slowpath+0x722/0x910 kernel/locking/qspinlock.c:465 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880abb46080 task.stack: ffff888090490000 RIP: 0010:__read_once_size include/linux/compiler.h:185 [inline] RIP: 0010:atomic_read arch/x86/include/asm/atomic.h:27 [inline] RIP: 0010:queued_write_lock_slowpath+0xd0/0x1d0 kernel/locking/qrwlock.c:139 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:669 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:52 [inline] queued_spin_lock include/asm-generic/qspinlock.h:90 [inline] queued_read_lock_slowpath+0x150/0x190 kernel/locking/qrwlock.c:90 RSP: 0018:ffff888090497d38 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff10 hci_send_to_channel+0x3c/0x200 net/bluetooth/hci_sock.c:272 RAX: 0000000000000000 RBX: ffffffff89dd6668 RCX: 0000000000001fae RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff89dd6668 hci_send_monitor_ctrl_event+0x3dd/0x500 net/bluetooth/hci_sock.c:402 RBP: ffffffff89dd666c R08: ffffffff8b9ad830 R09: 0000000000040583 mgmt_send_event+0x2b3/0x330 net/bluetooth/mgmt_util.c:86 R10: ffff8880abb46930 R11: ffff8880abb46080 R12: 0000000000000003 R13: fffffbfff13baccd R14: 00000000000000ff R15: ffffffff8863c1e0 mgmt_event net/bluetooth/mgmt.c:270 [inline] block_device+0x135/0x1f0 net/bluetooth/mgmt.c:3804 FS: 0000555556b77300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f34cf96e06d CR3: 00000000aa26e000 CR4: 00000000003406e0 hci_mgmt_cmd net/bluetooth/hci_sock.c:1590 [inline] hci_sock_sendmsg+0x175b/0x1d00 net/bluetooth/hci_sock.c:1725 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: queued_write_lock include/asm-generic/qrwlock.h:134 [inline] do_raw_write_lock+0xc2/0x1d0 kernel/locking/spinlock_debug.c:203 bt_sock_link+0x1f/0x120 net/bluetooth/af_bluetooth.c:143 hci_sock_create+0x15c/0x1d0 net/bluetooth/hci_sock.c:2034 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 bt_sock_create+0x13b/0x280 net/bluetooth/af_bluetooth.c:130 sock_write_iter+0x22c/0x370 net/socket.c:925 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socket net/socket.c:1345 [inline] SyS_socket+0xd1/0x1b0 net/socket.c:1325 call_write_iter include/linux/fs.h:1780 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x44c/0x630 fs/read_write.c:482 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb vfs_write+0x17f/0x4d0 fs/read_write.c:544 RIP: 0033:0x7f34cf918499 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xf2/0x210 fs/read_write.c:582 RSP: 002b:00007ffe527ac308 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f34cf918499 RDX: 0000000000000001 RSI: 0000000000000003 RDI: 000000000000001f RBP: 0000000000000003 R08: 00007ffe527abd80 R09: 0000000000000150 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000012885 entry_SYSCALL_64_after_hwframe+0x46/0xbb R13: 00007ffe527ac380 R14: 00007ffe527ac370 R15: 00007ffe527ac328 Code: RIP: 0033:0x7f34cf918499 49 RSP: 002b:00007ffe527ac308 EFLAGS: 00000246 89 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f34cf918499 dc RDX: 000000000000000d RSI: 0000000020000080 RDI: 0000000000000004 41 RBP: 0000000000000003 R08: 0000000000000150 R09: 0000000000000150 be R10: 00000000fffffffc R11: 0000000000000246 R12: 0000555556b772b8 R13: 0000000000000011 R14: 00007ffe527ac370 R15: 00007ffe527ac328 ff Code: 00 fa 00 5a 00 fa 49 e9 c1 4f ed ff 03 ff 41 ff 83 48 e4 89 07 ef 48 e8 b8 bd 00 fa 00 5a 00 fa 00 eb 00 93 fc 90 ff 90 df 90 49 90 01 90 c5 90 41 90 83 90 c4 90 03 90 eb 90 02 e9 f3 07 90 00 41 00 0f 00 b6 0f 45 00 00 2d <41> a4 38 94 c4 63 7c 00 08 fb 84 f4 c0 0f 85 90 9e e9 00 07 00 00 00 00 8b 00 03 0f 83 00 f8 2d 01 94 75 94 e5 63 00 f0 f4 c3