forked to background, child pid 3173 no interfaces have a carrier [ 26.618557][ T3174] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.633757][ T3174] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.196' (ECDSA) to the list of known hosts. 2022/04/21 19:05:07 parsed 1 programs syzkaller login: [ 49.907234][ T3602] cgroup: Unknown subsys name 'net' [ 50.015104][ T3602] cgroup: Unknown subsys name 'rlimit' 2022/04/21 19:05:08 executed programs: 0 [ 51.226741][ T3610] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.234601][ T3610] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.242492][ T3610] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.250380][ T3610] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.257928][ T3610] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.265421][ T3610] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.347344][ T3607] chnl_net:caif_netlink_parms(): no params data found [ 51.388783][ T3607] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.396420][ T3607] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.404480][ T3607] device bridge_slave_0 entered promiscuous mode [ 51.413413][ T3607] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.420621][ T3607] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.428541][ T3607] device bridge_slave_1 entered promiscuous mode [ 51.448020][ T3607] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.460079][ T3607] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.482306][ T3607] team0: Port device team_slave_0 added [ 51.490080][ T3607] team0: Port device team_slave_1 added [ 51.507716][ T3607] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.514717][ T3607] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 51.541184][ T3607] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.553775][ T3607] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.560936][ T3607] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 51.586882][ T3607] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.613121][ T3607] device hsr_slave_0 entered promiscuous mode [ 51.620385][ T3607] device hsr_slave_1 entered promiscuous mode [ 51.699665][ T3607] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.709999][ T3607] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.718660][ T3607] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.727531][ T3607] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.747040][ T3607] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.754209][ T3607] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.762019][ T3607] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.769097][ T3607] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.812444][ T3607] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.825310][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.835293][ T142] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.844849][ T142] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.852978][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.865910][ T3607] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.876580][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.885018][ T3616] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.892170][ T3616] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.904270][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.912730][ T14] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.919838][ T14] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.938929][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.947967][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.958964][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.972758][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.982713][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.992831][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.009231][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.016617][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 52.030607][ T3607] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.140091][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.149567][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.157708][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.166190][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.176206][ T3607] device veth0_vlan entered promiscuous mode [ 52.186737][ T3607] device veth1_vlan entered promiscuous mode [ 52.205220][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.213706][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 52.222215][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.233420][ T3607] device veth0_macvtap entered promiscuous mode [ 52.242819][ T3607] device veth1_macvtap entered promiscuous mode [ 52.257963][ T3607] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.266196][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.275695][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.287517][ T3607] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.295274][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.306397][ T3607] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.315465][ T3607] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.324468][ T3607] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.334148][ T3607] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.392695][ T1028] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.407897][ T1028] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.423292][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.433550][ T55] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.441820][ T55] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.452389][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 53.019098][ C1] [ 53.021425][ C1] ======================================================== [ 53.028708][ C1] WARNING: possible irq lock inversion dependency detected [ 53.035884][ C1] 5.18.0-rc3-syzkaller-00016-gb253435746d9 #0 Not tainted [ 53.042977][ C1] -------------------------------------------------------- [ 53.050148][ C1] swapper/1/0 just changed the state of lock: [ 53.056188][ C1] ffff888023cf6110 (&group->lock){..-.}-{2:2}, at: _snd_pcm_stream_lock_irqsave+0x9f/0xd0 [ 53.066315][ C1] but this lock took another, SOFTIRQ-READ-unsafe lock in the past: [ 53.074283][ C1] (tasklist_lock){.+.+}-{2:2} [ 53.074305][ C1] [ 53.074305][ C1] [ 53.074305][ C1] and interrupts could create inverse lock ordering between them. [ 53.074305][ C1] [ 53.093327][ C1] [ 53.093327][ C1] other info that might help us debug this: [ 53.101365][ C1] Chain exists of: [ 53.101365][ C1] &group->lock --> &timer->lock --> tasklist_lock [ 53.101365][ C1] [ 53.113700][ C1] Possible interrupt unsafe locking scenario: [ 53.113700][ C1] [ 53.121998][ C1] CPU0 CPU1 [ 53.127342][ C1] ---- ---- [ 53.132776][ C1] lock(tasklist_lock); [ 53.137004][ C1] local_irq_disable(); [ 53.143744][ C1] lock(&group->lock); [ 53.150395][ C1] lock(&timer->lock); [ 53.157048][ C1] [ 53.160480][ C1] lock(&group->lock); [ 53.164784][ C1] [ 53.164784][ C1] *** DEADLOCK *** [ 53.164784][ C1] [ 53.172910][ C1] no locks held by swapper/1/0. [ 53.177738][ C1] [ 53.177738][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 53.187082][ C1] -> (tasklist_lock){.+.+}-{2:2} { [ 53.192528][ C1] HARDIRQ-ON-R at: [ 53.196836][ C1] lock_acquire+0x1ab/0x510 [ 53.203671][ C1] _raw_read_lock+0x5b/0x70 [ 53.210499][ C1] do_wait+0x284/0xce0 [ 53.216893][ C1] kernel_wait+0x9c/0x150 [ 53.223552][ C1] call_usermodehelper_exec_work+0xf5/0x180 [ 53.231778][ C1] process_one_work+0x996/0x1610 [ 53.239044][ C1] worker_thread+0x665/0x1080 [ 53.246049][ C1] kthread+0x2e9/0x3a0 [ 53.252444][ C1] ret_from_fork+0x1f/0x30 [ 53.259191][ C1] SOFTIRQ-ON-R at: [ 53.263496][ C1] lock_acquire+0x1ab/0x510 [ 53.270332][ C1] _raw_read_lock+0x5b/0x70 [ 53.277181][ C1] do_wait+0x284/0xce0 [ 53.283577][ C1] kernel_wait+0x9c/0x150 [ 53.290235][ C1] call_usermodehelper_exec_work+0xf5/0x180 [ 53.298678][ C1] process_one_work+0x996/0x1610 [ 53.305945][ C1] worker_thread+0x665/0x1080 [ 53.312955][ C1] kthread+0x2e9/0x3a0 [ 53.319363][ C1] ret_from_fork+0x1f/0x30 [ 53.326138][ C1] INITIAL USE at: [ 53.330356][ C1] lock_acquire+0x1ab/0x510 [ 53.337102][ C1] _raw_write_lock_irq+0x32/0x50 [ 53.344299][ C1] copy_process+0x4364/0x6fe0 [ 53.351312][ C1] kernel_clone+0xe7/0xab0 [ 53.357980][ C1] kernel_thread+0xb5/0xf0 [ 53.364738][ C1] rest_init+0x23/0x3e0 [ 53.371156][ C1] start_kernel+0x47f/0x4a0 [ 53.378088][ C1] secondary_startup_64_no_verify+0xc3/0xcb [ 53.386240][ C1] INITIAL READ USE at: [ 53.390913][ C1] lock_acquire+0x1ab/0x510 [ 53.398124][ C1] _raw_read_lock+0x5b/0x70 [ 53.405313][ C1] do_wait+0x284/0xce0 [ 53.412072][ C1] kernel_wait+0x9c/0x150 [ 53.419093][ C1] call_usermodehelper_exec_work+0xf5/0x180 [ 53.427675][ C1] process_one_work+0x996/0x1610 [ 53.435383][ C1] worker_thread+0x665/0x1080 [ 53.443008][ C1] kthread+0x2e9/0x3a0 [ 53.449757][ C1] ret_from_fork+0x1f/0x30 [ 53.456871][ C1] } [ 53.459702][ C1] ... key at: [] tasklist_lock+0x18/0x40 [ 53.467764][ C1] ... acquired at: [ 53.471893][ C1] _raw_read_lock+0x5b/0x70 [ 53.476559][ C1] send_sigio+0xab/0x380 [ 53.480967][ C1] kill_fasync+0x1f8/0x470 [ 53.485548][ C1] lease_break_callback+0x1f/0x30 [ 53.490738][ C1] __break_lease+0x3d7/0x1420 [ 53.495577][ C1] do_dentry_open+0x432/0x11e0 [ 53.500504][ C1] path_openat+0x1c71/0x2910 [ 53.505260][ C1] do_filp_open+0x1aa/0x400 [ 53.509926][ C1] do_sys_openat2+0x16d/0x4c0 [ 53.514771][ C1] __x64_sys_open+0x119/0x1c0 [ 53.519613][ C1] do_syscall_64+0x35/0xb0 [ 53.524201][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 53.530352][ C1] [ 53.532672][ C1] -> (&f->f_owner.lock){....}-{2:2} { [ 53.538309][ C1] INITIAL USE at: [ 53.542447][ C1] lock_acquire+0x1ab/0x510 [ 53.549030][ C1] _raw_write_lock_irq+0x32/0x50 [ 53.556039][ C1] f_modown+0x2a/0x390 [ 53.562190][ C1] do_fcntl+0xb23/0x10b0 [ 53.568509][ C1] __x64_sys_fcntl+0x15f/0x1d0 [ 53.575350][ C1] do_syscall_64+0x35/0xb0 [ 53.581930][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 53.590244][ C1] INITIAL READ USE at: [ 53.594814][ C1] lock_acquire+0x1ab/0x510 [ 53.601826][ C1] _raw_read_lock_irqsave+0x70/0x90 [ 53.609532][ C1] send_sigio+0x24/0x380 [ 53.616284][ C1] kill_fasync+0x1f8/0x470 [ 53.623208][ C1] snd_timer_user_ccallback+0x298/0x330 [ 53.631262][ C1] snd_timer_notify1+0x11c/0x3b0 [ 53.638715][ C1] snd_timer_start1+0x4d4/0x800 [ 53.646074][ C1] snd_timer_user_start.isra.0+0x1e3/0x260 [ 53.654387][ C1] __snd_timer_user_ioctl.isra.0+0xda4/0x2490 [ 53.662970][ C1] snd_timer_user_ioctl+0x77/0xb0 [ 53.670504][ C1] __x64_sys_ioctl+0x193/0x200 [ 53.677786][ C1] do_syscall_64+0x35/0xb0 [ 53.684711][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 53.693286][ C1] } [ 53.696025][ C1] ... key at: [] __key.5+0x0/0x40 [ 53.703404][ C1] ... acquired at: [ 53.707449][ C1] _raw_read_lock_irqsave+0x70/0x90 [ 53.712811][ C1] send_sigio+0x24/0x380 [ 53.717219][ C1] kill_fasync+0x1f8/0x470 [ 53.721890][ C1] snd_timer_user_ccallback+0x298/0x330 [ 53.727601][ C1] snd_timer_notify1+0x11c/0x3b0 [ 53.732787][ C1] snd_timer_start1+0x4d4/0x800 [ 53.737812][ C1] snd_timer_user_start.isra.0+0x1e3/0x260 [ 53.743783][ C1] __snd_timer_user_ioctl.isra.0+0xda4/0x2490 [ 53.750017][ C1] snd_timer_user_ioctl+0x77/0xb0 [ 53.755207][ C1] __x64_sys_ioctl+0x193/0x200 [ 53.760139][ C1] do_syscall_64+0x35/0xb0 [ 53.764724][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 53.770790][ C1] [ 53.773103][ C1] -> (&new->fa_lock){....}-{2:2} { [ 53.778398][ C1] INITIAL READ USE at: [ 53.782884][ C1] lock_acquire+0x1ab/0x510 [ 53.789758][ C1] _raw_read_lock_irqsave+0x70/0x90 [ 53.797317][ C1] kill_fasync+0x136/0x470 [ 53.804073][ C1] snd_timer_user_ccallback+0x298/0x330 [ 53.811962][ C1] snd_timer_notify1+0x11c/0x3b0 [ 53.819234][ C1] snd_timer_start1+0x4d4/0x800 [ 53.826420][ C1] snd_timer_user_start.isra.0+0x1e3/0x260 [ 53.834568][ C1] __snd_timer_user_ioctl.isra.0+0xda4/0x2490 [ 53.842973][ C1] snd_timer_user_ioctl+0x77/0xb0 [ 53.850336][ C1] __x64_sys_ioctl+0x193/0x200 [ 53.857443][ C1] do_syscall_64+0x35/0xb0 [ 53.864197][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 53.872429][ C1] } [ 53.875086][ C1] ... key at: [] __key.0+0x0/0x40 [ 53.882364][ C1] ... acquired at: [ 53.886325][ C1] _raw_read_lock_irqsave+0x70/0x90 [ 53.891779][ C1] kill_fasync+0x136/0x470 [ 53.896362][ C1] snd_timer_user_ccallback+0x298/0x330 [ 53.902081][ C1] snd_timer_notify1+0x11c/0x3b0 [ 53.907195][ C1] snd_timer_start1+0x4d4/0x800 [ 53.912212][ C1] snd_timer_user_start.isra.0+0x1e3/0x260 [ 53.918183][ C1] __snd_timer_user_ioctl.isra.0+0xda4/0x2490 [ 53.924421][ C1] snd_timer_user_ioctl+0x77/0xb0 [ 53.929609][ C1] __x64_sys_ioctl+0x193/0x200 [ 53.934626][ C1] do_syscall_64+0x35/0xb0 [ 53.939207][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 53.945266][ C1] [ 53.947571][ C1] -> (&timer->lock){....}-{2:2} { [ 53.952687][ C1] INITIAL USE at: [ 53.956653][ C1] lock_acquire+0x1ab/0x510 [ 53.962889][ C1] _raw_spin_lock_irqsave+0x39/0x50 [ 53.969815][ C1] snd_timer_resolution+0x55/0x100 [ 53.976663][ C1] snd_timer_user_params.isra.0+0x18e/0x8c0 [ 53.984286][ C1] __snd_timer_user_ioctl.isra.0+0x101c/0x2490 [ 53.992169][ C1] snd_timer_user_ioctl+0x77/0xb0 [ 53.998924][ C1] __x64_sys_ioctl+0x193/0x200 [ 54.005418][ C1] do_syscall_64+0x35/0xb0 [ 54.011563][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 54.019182][ C1] } [ 54.021753][ C1] ... key at: [] __key.10+0x0/0x40 [ 54.029028][ C1] ... acquired at: [ 54.032900][ C1] _raw_spin_lock_irqsave+0x39/0x50 [ 54.038262][ C1] snd_timer_notify+0x10c/0x3d0 [ 54.043277][ C1] snd_pcm_post_start+0x24a/0x310 [ 54.048467][ C1] snd_pcm_action_single+0xf4/0x130 [ 54.053839][ C1] snd_pcm_action+0x6e/0x90 [ 54.058522][ C1] __snd_pcm_lib_xfer+0x179c/0x1e10 [ 54.063896][ C1] snd_pcm_oss_read3+0x1c4/0x400 [ 54.069008][ C1] io_capture_transfer+0x27e/0x330 [ 54.074299][ C1] snd_pcm_plug_read_transfer+0x1a4/0x2e0 [ 54.080198][ C1] snd_pcm_oss_read2+0x1db/0x3f0 [ 54.085311][ C1] snd_pcm_oss_read+0x620/0x7a0 [ 54.090335][ C1] vfs_read+0x1ef/0x5d0 [ 54.094657][ C1] ksys_read+0x127/0x250 [ 54.099065][ C1] do_syscall_64+0x35/0xb0 [ 54.103653][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 54.109728][ C1] [ 54.112037][ C1] -> (&group->lock){..-.}-{2:2} { [ 54.117068][ C1] IN-SOFTIRQ-W at: [ 54.121033][ C1] lock_acquire+0x1ab/0x510 [ 54.127185][ C1] _raw_spin_lock_irqsave+0x39/0x50 [ 54.134023][ C1] _snd_pcm_stream_lock_irqsave+0x9f/0xd0 [ 54.141393][ C1] snd_pcm_period_elapsed+0x1d/0x50 [ 54.148237][ C1] dummy_hrtimer_callback+0x94/0x1b0 [ 54.155175][ C1] __hrtimer_run_queues+0x609/0xe50 [ 54.162018][ C1] hrtimer_run_softirq+0x17b/0x360 [ 54.168773][ C1] __do_softirq+0x29b/0x9c2 [ 54.174918][ C1] __irq_exit_rcu+0x123/0x180 [ 54.181233][ C1] irq_exit_rcu+0x5/0x20 [ 54.187125][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 54.194409][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 54.202036][ C1] __schedule+0x0/0x4cc0 [ 54.207926][ C1] schedule_idle+0x57/0x90 [ 54.213988][ C1] do_idle+0x303/0x590 [ 54.219696][ C1] cpu_startup_entry+0x14/0x20 [ 54.226101][ C1] start_secondary+0x265/0x340 [ 54.232511][ C1] secondary_startup_64_no_verify+0xc3/0xcb [ 54.240050][ C1] INITIAL USE at: [ 54.243929][ C1] lock_acquire+0x1ab/0x510 [ 54.249985][ C1] _raw_spin_lock_irq+0x32/0x50 [ 54.256393][ C1] snd_pcm_hw_params+0x14b/0x19f0 [ 54.262974][ C1] snd_pcm_kernel_ioctl+0x164/0x310 [ 54.269723][ C1] snd_pcm_oss_change_params_locked+0x14e2/0x3a70 [ 54.277695][ C1] snd_pcm_oss_make_ready_locked+0xb3/0x130 [ 54.285144][ C1] snd_pcm_oss_read+0x3a2/0x7a0 [ 54.291547][ C1] vfs_read+0x1ef/0x5d0 [ 54.297259][ C1] ksys_read+0x127/0x250 [ 54.303054][ C1] do_syscall_64+0x35/0xb0 [ 54.309027][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 54.316476][ C1] } [ 54.318957][ C1] ... key at: [] __key.8+0x0/0x40 [ 54.326069][ C1] ... acquired at: [ 54.329945][ C1] __lock_acquire+0x11e7/0x56c0 [ 54.334962][ C1] lock_acquire+0x1ab/0x510 [ 54.339632][ C1] _raw_spin_lock_irqsave+0x39/0x50 [ 54.344994][ C1] _snd_pcm_stream_lock_irqsave+0x9f/0xd0 [ 54.350884][ C1] snd_pcm_period_elapsed+0x1d/0x50 [ 54.356249][ C1] dummy_hrtimer_callback+0x94/0x1b0 [ 54.361705][ C1] __hrtimer_run_queues+0x609/0xe50 [ 54.367073][ C1] hrtimer_run_softirq+0x17b/0x360 [ 54.372353][ C1] __do_softirq+0x29b/0x9c2 [ 54.377021][ C1] __irq_exit_rcu+0x123/0x180 [ 54.381862][ C1] irq_exit_rcu+0x5/0x20 [ 54.386266][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 54.392068][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 54.398213][ C1] __schedule+0x0/0x4cc0 [ 54.402627][ C1] schedule_idle+0x57/0x90 [ 54.407210][ C1] do_idle+0x303/0x590 [ 54.411447][ C1] cpu_startup_entry+0x14/0x20 [ 54.416377][ C1] start_secondary+0x265/0x340 [ 54.421306][ C1] secondary_startup_64_no_verify+0xc3/0xcb [ 54.427365][ C1] [ 54.429680][ C1] [ 54.429680][ C1] stack backtrace: [ 54.435553][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.18.0-rc3-syzkaller-00016-gb253435746d9 #0 [ 54.445348][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.455391][ C1] Call Trace: [ 54.458661][ C1] [ 54.461495][ C1] dump_stack_lvl+0xcd/0x134 [ 54.466082][ C1] mark_lock.part.0.cold+0x86/0xd8 [ 54.471188][ C1] ? lock_chain_count+0x20/0x20 [ 54.476036][ C1] ? mark_lock.part.0+0xee/0x1910 [ 54.481056][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 54.487034][ C1] ? __lock_acquire+0x163e/0x56c0 [ 54.492078][ C1] __lock_acquire+0x11e7/0x56c0 [ 54.496929][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 54.502903][ C1] ? find_held_lock+0x2d/0x110 [ 54.507662][ C1] lock_acquire+0x1ab/0x510 [ 54.512168][ C1] ? _snd_pcm_stream_lock_irqsave+0x9f/0xd0 [ 54.518066][ C1] ? lock_release+0x720/0x720 [ 54.522736][ C1] ? find_held_lock+0x2d/0x110 [ 54.527495][ C1] ? __hrtimer_run_queues+0x51a/0xe50 [ 54.532859][ C1] ? _raw_spin_lock_irqsave+0x4e/0x50 [ 54.538225][ C1] ? dummy_pcm_copy_kernel+0x10/0x10 [ 54.543504][ C1] _raw_spin_lock_irqsave+0x39/0x50 [ 54.548701][ C1] ? _snd_pcm_stream_lock_irqsave+0x9f/0xd0 [ 54.554591][ C1] _snd_pcm_stream_lock_irqsave+0x9f/0xd0 [ 54.560307][ C1] snd_pcm_period_elapsed+0x1d/0x50 [ 54.565507][ C1] dummy_hrtimer_callback+0x94/0x1b0 [ 54.570789][ C1] __hrtimer_run_queues+0x609/0xe50 [ 54.575987][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 54.582048][ C1] ? ktime_get_update_offsets_now+0x3eb/0x5c0 [ 54.588114][ C1] hrtimer_run_softirq+0x17b/0x360 [ 54.593221][ C1] __do_softirq+0x29b/0x9c2 [ 54.597728][ C1] __irq_exit_rcu+0x123/0x180 [ 54.602397][ C1] irq_exit_rcu+0x5/0x20 [ 54.606631][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 54.612264][ C1] [ 54.615190][ C1] [ 54.618109][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 54.624084][ C1] RIP: 0010:__schedule+0x0/0x4cc0 [ 54.629111][ C1] Code: 5b 5d 41 5c c3 e8 50 a2 59 f8 eb d9 e8 49 a2 59 f8 e9 4b ff ff ff e8 df a1 59 f8 e9 02 ff ff ff e8 f5 a1 59 f8 e9 6c ff ff ff <55> 48 89 e5 41 57 49 c7 c7 00 a0 03 00 48 8d 85 78 ff ff ff 41 56 [ 54.648710][ C1] RSP: 0018:ffffc90000d77df0 EFLAGS: 00000246 [ 54.654762][ C1] RAX: dffffc0000000000 RBX: ffff888011981d00 RCX: 0000000000000000 [ 54.662723][ C1] RDX: 1ffff110023303a3 RSI: ffffffff81587b7e RDI: 0000000000000000 [ 54.670683][ C1] RBP: ffffed10023303a0 R08: 0000000000000001 R09: ffff888011981d07 [ 54.678642][ C1] R10: ffffed10023303a0 R11: 0000000000000000 R12: ffffed10023303a0 [ 54.686600][ C1] R13: 0000000000000001 R14: ffffffff8db86310 R15: ffff888011981d00 [ 54.694574][ C1] ? do_idle+0x2fe/0x590 [ 54.698812][ C1] schedule_idle+0x57/0x90 [ 54.703227][ C1] do_idle+0x303/0x590 [ 54.707295][ C1] ? arch_cpu_idle_exit+0x30/0x30 [ 54.712312][ C1] ? _raw_spin_unlock_irq+0x40/0x40 [ 54.717508][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 54.722704][ C1] cpu_startup_entry+0x14/0x20 [ 54.727460][ C1] start_secondary+0x265/0x340 [ 54.732222][ C1] ? set_cpu_sibling_map+0x1ef0/0x1ef0 [ 54.737678][ C1] secondary_startup_64_no_verify+0xc3/0xcb [ 54.743575][ C1] [ 54.750823][ T3616] Bluetooth: hci0: command 0x0409 tx timeout