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-executor327:8342] Modules linked in: irq event stamp: 6822 hardirqs last enabled at (6821): [] restore_regs_and_return_to_kernel+0x0/0x2a hardirqs last disabled at (6822): [] apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:793 softirqs last enabled at (1656): [] __do_softirq+0x68b/0x9ff kernel/softirq.c:314 softirqs last disabled at (1453): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (1453): [] irq_exit+0x193/0x240 kernel/softirq.c:409 CPU: 0 PID: 8342 Comm: syz-executor327 Not tainted 4.14.288-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 task: ffff8880ab9526c0 task.stack: ffff8880a1760000 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:ffff8880a1767d10 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000000 RBX: ffffffff89dd83e8 RCX: 00000000000047ff RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff89dd83e8 watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor327:8345] RBP: ffffffff89dd83ec R08: ffffffff8b9c4af8 R09: 000000000004057f Modules linked in: R10: ffff8880ab952f98 R11: ffff8880ab9526c0 R12: 0000000000000003 R13: fffffbfff13bb07d R14: 00000000000000ff R15: ffff8880957c7790 irq event stamp: 11004 FS: 0000555556d0e300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 hardirqs last enabled at (11003): [] kvm_wait arch/x86/kernel/kvm.c:600 [inline] hardirqs last enabled at (11003): [] kvm_wait+0x14b/0x240 arch/x86/kernel/kvm.c:580 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556d0e608 CR3: 00000000b0b30000 CR4: 00000000003406f0 hardirqs last disabled at (11004): [] apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:793 softirqs last enabled at (628): [] __do_softirq+0x68b/0x9ff kernel/softirq.c:314 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 softirqs last disabled at (425): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (425): [] irq_exit+0x193/0x240 kernel/softirq.c:409 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: CPU: 1 PID: 8345 Comm: syz-executor327 Not tainted 4.14.288-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 06/29/2022 bt_sock_unlink+0x1d/0x170 net/bluetooth/af_bluetooth.c:151 task: ffff8880a9b3e080 task.stack: ffff8880af150000 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:ffff8880af157b20 EFLAGS: 000002c2 ORIG_RAX: ffffffffffffff10 sock_close+0x15/0x20 net/socket.c:1139 RAX: 1ffffffff11e1344 RBX: ffffffff89dd83ec RCX: 1ffff11015367d2f __fput+0x25f/0x7a0 fs/file_table.c:210 RDX: dffffc0000000000 RSI: ffff8880a9b3e958 RDI: ffff8880a9b3e904 task_work_run+0x11f/0x190 kernel/task_work.c:113 RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000000 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000286 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 R13: dffffc0000000000 R14: ffffffff89dd83ed R15: ffffed10174a69f8 entry_SYSCALL_64_after_hwframe+0x46/0xbb FS: 0000555556d0e300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 RIP: 0033:0x7fdd25e4727b CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RSP: 002b:00007ffffae98370 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 CR2: 0000000020000280 CR3: 00000000abedc000 CR4: 00000000003406e0 RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007fdd25e4727b RDX: ffffffffffffffb8 RSI: 0000000020000040 RDI: 0000000000000006 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000150 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: R10: 0000000000000000 R11: 0000000000000293 R12: 00000000000122d7 R13: 00007ffffae98400 R14: 00007ffffae983f0 R15: 00007ffffae983a8 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 Code: 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 ff 00 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 00 hci_send_to_channel+0x3c/0x200 net/bluetooth/hci_sock.c:272 00 hci_send_monitor_ctrl_event+0x3dd/0x500 net/bluetooth/hci_sock.c:402 49 mgmt_send_event+0x2b3/0x330 net/bluetooth/mgmt_util.c:86 c1 mgmt_index_event net/bluetooth/mgmt.c:256 [inline] mgmt_index_removed+0x200/0x240 net/bluetooth/mgmt.c:6600 ed 03 41 83 hci_sock_bind+0xe00/0x12b0 net/bluetooth/hci_sock.c:1186 e4 07 48 SYSC_bind net/socket.c:1489 [inline] SyS_bind+0x174/0x1f0 net/socket.c:1475 b8 00 00 00 00 00 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 fc entry_SYSCALL_64_after_hwframe+0x46/0xbb ff RIP: 0033:0x7fdd25e86509 df RSP: 002b:00007ffffae98388 EFLAGS: 00000246 49 ORIG_RAX: 0000000000000031 01 RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007fdd25e86509 c5 RDX: 0000000000000006 RSI: 0000000020000280 RDI: 0000000000000004 41 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000150 83 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000122e3 c4 R13: 00007ffffae98400 R14: 00007ffffae983f0 R15: 00007ffffae983a8 03 Code: eb 1c 02 5b f3 fa 90 e9 41 4f 0f ff b6 ff 45 ff 00 48 41 89 38 ef c4 e8 7c 6d 08 1c <84> 5b c0 fa 0f eb 85 93 9e 90 00 90 00 90 00 90 8b 90 03 90 83 90 f8 90 01 90 75 90 e5 90 f0 0f 44 1f 0f 44 b1 00 33 00 83 0f