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 23s! [syz-executor314:8327] Modules linked in: irq event stamp: 6416 hardirqs last enabled at (6415): [] restore_regs_and_return_to_kernel+0x0/0x2a hardirqs last disabled at (6416): [] apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:793 softirqs last enabled at (1212): [] __do_softirq+0x68b/0x9ff kernel/softirq.c:314 softirqs last disabled at (1017): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (1017): [] irq_exit+0x193/0x240 kernel/softirq.c:409 CPU: 0 PID: 8327 Comm: syz-executor314 Not tainted 4.14.271-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff888093e68240 task.stack: ffff888095558000 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+0xd5/0x1d0 kernel/locking/qrwlock.c:139 RSP: 0018:ffff88809555fd10 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000000 RBX: ffffffff89ddaf28 RCX: 00000000000011dc RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff89ddaf28 watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor314:8330] RBP: ffffffff89ddaf2c R08: ffffffff8b9ac9a0 R09: 0000000000040586 R10: ffff888093e68b18 R11: ffff888093e68240 R12: 0000000000000003 Modules linked in: R13: fffffbfff13bb5e5 R14: 00000000000000ff R15: ffff8880a0b132d0 FS: 0000555556e6a300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 irq event stamp: 10982 hardirqs last enabled at (10981): [] kvm_wait arch/x86/kernel/kvm.c:600 [inline] hardirqs last enabled at (10981): [] kvm_wait+0x14b/0x240 arch/x86/kernel/kvm.c:580 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556e6a608 CR3: 00000000a92dc000 CR4: 00000000003406f0 hardirqs last disabled at (10982): [] apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:793 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 softirqs last enabled at (558): [] __do_softirq+0x68b/0x9ff kernel/softirq.c:314 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: softirqs last disabled at (443): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (443): [] irq_exit+0x193/0x240 kernel/softirq.c:409 CPU: 1 PID: 8330 Comm: syz-executor314 Not tainted 4.14.271-syzkaller #0 queued_write_lock include/asm-generic/qrwlock.h:134 [inline] do_raw_write_lock+0xc2/0x1d0 kernel/locking/spinlock_debug.c:203 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 bt_sock_unlink+0x1d/0x170 net/bluetooth/af_bluetooth.c:151 task: ffff8880ae618300 task.stack: ffff888097160000 hci_sock_release+0xc1/0x4c0 net/bluetooth/hci_sock.c:855 RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61 __sock_release+0xcd/0x2b0 net/socket.c:602 RSP: 0018:ffff888097167b40 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff11e12f4 RBX: ffffffff89ddaf2c RCX: 1ffff11015cc317f sock_close+0x15/0x20 net/socket.c:1139 RDX: dffffc0000000000 RSI: ffff8880ae618bd8 RDI: ffff8880ae618b84 __fput+0x25f/0x7a0 fs/file_table.c:210 RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000000 task_work_run+0x11f/0x190 kernel/task_work.c:113 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000286 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164 R13: dffffc0000000000 R14: ffffffff89ddaf2d R15: ffffed10174a69e8 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297 FS: 0000555556e6a300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 entry_SYSCALL_64_after_hwframe+0x46/0xbb CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000280 CR3: 000000009864e000 CR4: 00000000003406e0 RIP: 0033:0x7f5b3727a26b DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RSP: 002b:00007fff4e39b4d0 EFLAGS: 00000293 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ORIG_RAX: 0000000000000003 Call Trace: RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f5b3727a26b 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 RDX: 0000000000000006 RSI: 0000000020000080 RDI: 0000000000000004 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 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000150 R10: 0000000000000000 R11: 0000000000000293 R12: 00000000000131f4 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 R13: 00007fff4e39b560 R14: 00007fff4e39b550 R15: 00007fff4e39b508 hci_send_to_channel+0x3c/0x200 net/bluetooth/hci_sock.c:272 Code: hci_send_monitor_ctrl_event+0x3dd/0x500 net/bluetooth/hci_sock.c:402 ff mgmt_send_event+0x2b3/0x330 net/bluetooth/mgmt_util.c:86 00 mgmt_index_event net/bluetooth/mgmt.c:256 [inline] mgmt_index_added+0x1d5/0x210 net/bluetooth/mgmt.c:6565 00 00 49 hci_sock_bind+0x10a5/0x12b0 net/bluetooth/hci_sock.c:1201 c1 ed 03 SYSC_bind net/socket.c:1489 [inline] SyS_bind+0x174/0x1f0 net/socket.c:1475 41 83 e4 07 48 b8 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 00 entry_SYSCALL_64_after_hwframe+0x46/0xbb 00 RIP: 0033:0x7f5b372b94f9 00 RSP: 002b:00007fff4e39b4e8 EFLAGS: 00000246 00 ORIG_RAX: 0000000000000031 00 RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f5b372b94f9 fc RDX: 0000000000000006 RSI: 0000000020000280 RDI: 0000000000000004 ff RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000150 df R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000013201 49 R13: 00007fff4e39b560 R14: 00007fff4e39b550 R15: 00007fff4e39b508 01 Code: c5 c9 41 5a 83 fa c4 e9 03 4f eb ff 02 ff f3 ff 90 48 41 89 0f ef b6 e8 45 2d 00 c9 41 5a 38 fa c4 eb 7c 93 08 90 <84> 90 c0 90 0f 90 85 90 9e 90 00 90 00 00 90 8b 90 03 90 83 90 f8 e9 01 07 75 00 e5 00 f0 00 44 0f 0f 00 b1 2d 33 c4 83 60 63