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-executor169:8264] Modules linked in: irq event stamp: 11268 hardirqs last enabled at (11267): [] kvm_wait arch/x86/kernel/kvm.c:600 [inline] hardirqs last enabled at (11267): [] kvm_wait+0x14b/0x240 arch/x86/kernel/kvm.c:580 hardirqs last disabled at (11268): [] apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:793 softirqs last enabled at (542): [] __do_softirq+0x68b/0x9ff kernel/softirq.c:314 softirqs last disabled at (431): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (431): [] irq_exit+0x193/0x240 kernel/softirq.c:409 CPU: 0 PID: 8264 Comm: syz-executor169 Not tainted 4.14.274-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff888094292200 task.stack: ffff888094900000 RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61 RSP: 0018:ffff888094907b20 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff11e130c RBX: ffffffff89ddb02c RCX: 1ffff1101285255f RDX: dffffc0000000000 RSI: ffff888094292ad8 RDI: ffff888094292a84 RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000000 watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor169:8268] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000286 Modules linked in: R13: dffffc0000000000 R14: ffffffff89ddb02d R15: ffffed10174869e8 FS: 000055555712d300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 irq event stamp: 6906 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 hardirqs last enabled at (6905): [] restore_regs_and_return_to_kernel+0x0/0x2a CR2: 000055555712d608 CR3: 000000009f27d000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 hardirqs last disabled at (6906): [] apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:793 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 softirqs last enabled at (1526): [] __do_softirq+0x68b/0x9ff kernel/softirq.c:314 Call Trace: softirqs last disabled at (1079): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (1079): [] irq_exit+0x193/0x240 kernel/softirq.c:409 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 CPU: 1 PID: 8268 Comm: syz-executor169 Not tainted 4.14.274-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: ffff8880af7762c0 task.stack: ffff8880afb38000 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 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+0xcb/0x1d0 kernel/locking/qrwlock.c:139 hci_send_to_channel+0x3c/0x200 net/bluetooth/hci_sock.c:272 RSP: 0018:ffff8880afb3fd10 EFLAGS: 00000206 hci_send_monitor_ctrl_event+0x3dd/0x500 net/bluetooth/hci_sock.c:402 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000101 RBX: ffffffff89ddb028 RCX: 0000000000002417 mgmt_send_event+0x2b3/0x330 net/bluetooth/mgmt_util.c:86 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff89ddb028 RBP: ffffffff89ddb02c R08: ffffffff8b9b6b78 R09: 0000000000040582 mgmt_index_event net/bluetooth/mgmt.c:256 [inline] mgmt_index_removed+0x200/0x240 net/bluetooth/mgmt.c:6600 R10: ffff8880af776b98 R11: ffff8880af7762c0 R12: 0000000000000003 R13: fffffbfff13bb605 R14: 00000000000000ff R15: ffff8880b4530050 FS: 000055555712d300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000280 CR3: 00000000b0046000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 hci_sock_bind+0xe00/0x12b0 net/bluetooth/hci_sock.c:1186 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 SYSC_bind net/socket.c:1489 [inline] SyS_bind+0x174/0x1f0 net/socket.c:1475 bt_sock_unlink+0x1d/0x170 net/bluetooth/af_bluetooth.c:151 hci_sock_release+0xc1/0x4c0 net/bluetooth/hci_sock.c:855 __sock_release+0xcd/0x2b0 net/socket.c:602 sock_close+0x15/0x20 net/socket.c:1139 __fput+0x25f/0x7a0 fs/file_table.c:210 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 task_work_run+0x11f/0x190 kernel/task_work.c:113 entry_SYSCALL_64_after_hwframe+0x46/0xbb tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164 RIP: 0033:0x7f2cbb73c4f9 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 RSP: 002b:00007ffcd89c6398 EFLAGS: 00000246 entry_SYSCALL_64_after_hwframe+0x46/0xbb ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f2cbb73c4f9 RIP: 0033:0x7f2cbb6fd26b RDX: 0000000000000006 RSI: 0000000020000280 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000150 RSP: 002b:00007ffcd89c6380 EFLAGS: 00000293 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcd89c6440 ORIG_RAX: 0000000000000003 R13: 00007ffcd89c6410 R14: 00007ffcd89c6400 R15: 0000000000000000 RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f2cbb6fd26b Code: RDX: ffffffffffffffb8 RSI: 0000000020000040 RDI: 0000000000000006 c1 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000150 5a R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000012eb1 fa R13: 00007ffcd89c6410 R14: 00007ffcd89c6400 R15: 00007ffcd89c63b8 e9 Code: 4f 75 ff dc ff 49 ff 89 48 dd 89 49 ef 89 e8 dc ed 41 c1 be 5a fa ff eb 00 93 00 90 00 90 49 90 c1 90 ed 90 03 90 41 90 83 90 e4 90 07 90 48 90 b8 e9 00 07 00 00 00 00 00 00 00 0f fc 00 ff 2d df 84 49 5a 01 63 c5 00 41 fb 83 f4 c4 03 90 eb e9 02 07 f3 00 90 00 <41> 00 0f 0f b6 00 45 2d 00 74 41 5a 38 63 c4 00 7c f4 08 c3 84 90 c0 90 0f 41 85 55 9e 41 00 00