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-executor197:8348] Modules linked in: irq event stamp: 12326 hardirqs last enabled at (12325): [] kvm_wait arch/x86/kernel/kvm.c:600 [inline] hardirqs last enabled at (12325): [] kvm_wait+0x14b/0x240 arch/x86/kernel/kvm.c:580 hardirqs last disabled at (12326): [] apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:793 softirqs last enabled at (1658): [] __do_softirq+0x68b/0x9ff kernel/softirq.c:314 softirqs last disabled at (1215): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (1215): [] irq_exit+0x193/0x240 kernel/softirq.c:409 CPU: 0 PID: 8348 Comm: syz-executor197 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 task: ffff8880ac184140 task.stack: ffff8880af6c8000 RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61 RSP: 0018:ffff8880af6cfb68 EFLAGS: 000002c6 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff11e1344 RBX: ffffffff89dd846c RCX: 1ffff1101583094c RDX: dffffc0000000000 RSI: ffff8880ac184a40 RDI: ffff8880ac1849c4 RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000000 watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor197:8347] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000286 R13: dffffc0000000000 R14: ffffffff89dd846d R15: ffffed10174869f8 Modules linked in: FS: 0000555557520300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 irq event stamp: 39208 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 hardirqs last enabled at (39207): [] restore_regs_and_return_to_kernel+0x0/0x2a CR2: 00007f2d6d6a36c8 CR3: 0000000095b40000 CR4: 00000000003406f0 hardirqs last disabled at (39208): [] apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:793 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 softirqs last enabled at (39206): [] __do_softirq+0x68b/0x9ff kernel/softirq.c:314 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 softirqs last disabled at (39195): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (39195): [] irq_exit+0x193/0x240 kernel/softirq.c:409 Call Trace: CPU: 1 PID: 8347 Comm: syz-executor197 Not tainted 4.14.290-syzkaller #0 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 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 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 task: ffff888093c9a100 task.stack: ffff8880aef70000 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 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:ffff8880aef77d10 EFLAGS: 00000206 hci_send_to_channel+0x3c/0x200 net/bluetooth/hci_sock.c:272 ORIG_RAX: ffffffffffffff10 hci_send_monitor_ctrl_event+0x3dd/0x500 net/bluetooth/hci_sock.c:402 RAX: 0000000000000101 RBX: ffffffff89dd8468 RCX: 00000000000017e2 mgmt_send_event+0x2b3/0x330 net/bluetooth/mgmt_util.c:86 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff89dd8468 mgmt_index_event net/bluetooth/mgmt.c:256 [inline] mgmt_index_added+0x1d5/0x210 net/bluetooth/mgmt.c:6565 RBP: ffffffff89dd846c R08: ffffffff8b9aca10 R09: 000000000004057d R10: ffff888093c9a9d8 R11: ffff888093c9a100 R12: 0000000000000003 hci_sock_release+0x3d7/0x4c0 net/bluetooth/hci_sock.c:871 R13: fffffbfff13bb08d R14: 00000000000000ff R15: ffff8880b04c7d50 __sock_release+0xcd/0x2b0 net/socket.c:602 FS: 0000555557520300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 sock_close+0x15/0x20 net/socket.c:1139 CR2: 0000555557520608 CR3: 000000009e7ac000 CR4: 00000000003406e0 __fput+0x25f/0x7a0 fs/file_table.c:210 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 task_work_run+0x11f/0x190 kernel/task_work.c:113 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164 Call Trace: 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 queued_write_lock include/asm-generic/qrwlock.h:134 [inline] do_raw_write_lock+0xc2/0x1d0 kernel/locking/spinlock_debug.c:203 entry_SYSCALL_64_after_hwframe+0x46/0xbb bt_sock_unlink+0x1d/0x170 net/bluetooth/af_bluetooth.c:151 RIP: 0033:0x7f2d6d60f1fb hci_sock_release+0xc1/0x4c0 net/bluetooth/hci_sock.c:855 RSP: 002b:00007fff792e4f30 EFLAGS: 00000293 __sock_release+0xcd/0x2b0 net/socket.c:602 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f2d6d60f1fb RDX: ffffffffffffffb8 RSI: 00000000200000c0 RDI: 0000000000000004 sock_close+0x15/0x20 net/socket.c:1139 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000150 __fput+0x25f/0x7a0 fs/file_table.c:210 R10: 0000000000000000 R11: 0000000000000293 R12: 000000000001007a task_work_run+0x11f/0x190 kernel/task_work.c:113 R13: 00007fff792e4fc0 R14: 00007fff792e4fb0 R15: 00007fff792e4f68 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164 Code: 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 0b entry_SYSCALL_64_after_hwframe+0x46/0xbb 5b RIP: 0033:0x7f2d6d60f1fb fa RSP: 002b:00007fff792e4f30 EFLAGS: 00000293 e9 ORIG_RAX: 0000000000000003 4f RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f2d6d60f1fb ff RDX: ffffffffffffffb8 RSI: 00000000200000c0 RDI: 0000000000000005 ff RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000150 ff R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000010080 48 R13: 00007fff792e4fc0 R14: 00007fff792e4fb0 R15: 00007fff792e4f68 89 Code: ef 75 e8 dc 3d 49 0b 89 5b dd fa 49 eb 89 93 dc 90 41 90 be 90 ff 90 00 90 00 90 00 90 49 90 c1 90 ed 90 03 90 41 0f 83 1f e4 44 07 00 48 00 b8 0f 00 00 00 2d 00 34 00 9d 00 63 fc 00 ff fb df f4 49 90 01 0f c5 1f 41 44 83 00 c4 00 03 0f eb 00 02 2d f3 24 90 9d <41> 63 0f 00 b6 f4 45 c3 00 90 41 90 38 41 c4 55 7c 41 08 84