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-executor239:8192] Modules linked in: irq event stamp: 6316 hardirqs last enabled at (6315): [] restore_regs_and_return_to_kernel+0x0/0x2a hardirqs last disabled at (6316): [] apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:793 softirqs last enabled at (1200): [] __do_softirq+0x68b/0x9ff kernel/softirq.c:314 softirqs last disabled at (1087): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (1087): [] irq_exit+0x193/0x240 kernel/softirq.c:409 CPU: 0 PID: 8192 Comm: syz-executor239 Not tainted 4.14.268-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880afac23c0 task.stack: ffff8880afeb8000 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 RSP: 0018:ffff8880afebfd10 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000101 RBX: ffffffff89dda928 RCX: 0000000000005eb1 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff89dda928 watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor239:8187] RBP: ffffffff89dda92c R08: ffffffff8b9d2048 R09: 0000000000040584 Modules linked in: R10: ffff8880afac2c98 R11: ffff8880afac23c0 R12: 0000000000000003 R13: fffffbfff13bb525 R14: 00000000000000ff R15: ffff8880b4e27a90 FS: 0000555556eca300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 irq event stamp: 33298 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 hardirqs last enabled at (33297): [] kvm_wait arch/x86/kernel/kvm.c:600 [inline] hardirqs last enabled at (33297): [] kvm_wait+0x14b/0x240 arch/x86/kernel/kvm.c:580 CR2: 0000000020000040 CR3: 00000000a88c3000 CR4: 00000000003406f0 hardirqs last disabled at (33298): [] apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:793 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 softirqs last enabled at (33294): [] __do_softirq+0x68b/0x9ff kernel/softirq.c:314 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 softirqs last disabled at (33287): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (33287): [] irq_exit+0x193/0x240 kernel/softirq.c:409 CPU: 1 PID: 8187 Comm: syz-executor239 Not tainted 4.14.268-syzkaller #0 Call Trace: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 queued_write_lock include/asm-generic/qrwlock.h:134 [inline] do_raw_write_lock+0xc2/0x1d0 kernel/locking/spinlock_debug.c:203 task: ffff8880af8a0280 task.stack: ffff88809b5c0000 bt_sock_unlink+0x1d/0x170 net/bluetooth/af_bluetooth.c:151 RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61 hci_sock_release+0xc1/0x4c0 net/bluetooth/hci_sock.c:855 RSP: 0018:ffff88809b5c7b20 EFLAGS: 00000286 __sock_release+0xcd/0x2b0 net/socket.c:602 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff11e127c RBX: ffffffff89dda92c RCX: 1ffff11015f1416f sock_close+0x15/0x20 net/socket.c:1139 RDX: dffffc0000000000 RSI: ffff8880af8a0b58 RDI: ffff8880af8a0b04 __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: ffffffff89dda92d 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: 0000555556eca300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 entry_SYSCALL_64_after_hwframe+0x46/0xbb CR2: 0000555556eca608 CR3: 000000009b1f9000 CR4: 00000000003406e0 RIP: 0033:0x7f1d7921d26b DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RSP: 002b:00007ffedaf54ea0 EFLAGS: 00000293 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ORIG_RAX: 0000000000000003 Call Trace: RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f1d7921d26b 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: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000005 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: 0000000000000150 R11: 0000000000000293 R12: 0000000000011437 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: 00007ffedaf54f30 R14: 00007ffedaf54f20 R15: 00007ffedaf54ed8 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 75 mgmt_send_event+0x2b3/0x330 net/bluetooth/mgmt_util.c:86 dc mgmt_index_event net/bluetooth/mgmt.c:256 [inline] mgmt_index_removed+0x200/0x240 net/bluetooth/mgmt.c:6600 49 89 dd 49 hci_sock_bind+0xe00/0x12b0 net/bluetooth/hci_sock.c:1186 89 dc 41 SYSC_bind net/socket.c:1489 [inline] SyS_bind+0x174/0x1f0 net/socket.c:1475 be ff 00 00 00 49 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 c1 entry_SYSCALL_64_after_hwframe+0x46/0xbb ed RIP: 0033:0x7f1d7925c4f9 03 RSP: 002b:00007ffedaf54eb8 EFLAGS: 00000246 41 ORIG_RAX: 0000000000000031 83 RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f1d7925c4f9 e4 RDX: 0000000000000006 RSI: 0000000020000240 RDI: 0000000000000004 07 RBP: 0000000000000000 R08: 0000000000000150 R09: 0000000000000150 48 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000011426 b8 R13: 00007ffedaf54f30 R14: 00007ffedaf54f20 R15: 00007ffedaf54ed8 00 Code: 00 d3 00 5a 00 fa 00 e9 fc 4f ff ff df ff 49 ff 01 48 c5 89 41 ef 83 e8 c4 cd 03 d3 eb 5a 02 fa f3 eb 90 93 <41> 90 0f 90 b6 90 45 90 00 90 41 90 38 90 c4 90 7c 90 08 90 84 90 c0 e9 0f 07 85 00 9e 00 00 00 00 0f 00 00 8b 2d 03 94 83 64 63