Warning: Permanently added '10.128.1.76' (ECDSA) to the list of known hosts. 2021/06/01 05:02:40 parsed 1 programs 2021/06/01 05:02:40 executed programs: 0 syzkaller login: [ 1582.036876][ T8441] chnl_net:caif_netlink_parms(): no params data found [ 1582.086639][ T8441] bridge0: port 1(bridge_slave_0) entered blocking state [ 1582.094613][ T8441] bridge0: port 1(bridge_slave_0) entered disabled state [ 1582.102950][ T8441] device bridge_slave_0 entered promiscuous mode [ 1582.112273][ T8441] bridge0: port 2(bridge_slave_1) entered blocking state [ 1582.119650][ T8441] bridge0: port 2(bridge_slave_1) entered disabled state [ 1582.127306][ T8441] device bridge_slave_1 entered promiscuous mode [ 1582.146610][ T8441] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1582.157095][ T8441] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1582.179873][ T8441] team0: Port device team_slave_0 added [ 1582.186631][ T8441] team0: Port device team_slave_1 added [ 1582.202969][ T8441] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1582.210259][ T8441] 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. [ 1582.236279][ T8441] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1582.249864][ T8441] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1582.256810][ T8441] 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. [ 1582.283375][ T8441] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1582.310946][ T8441] device hsr_slave_0 entered promiscuous mode [ 1582.317483][ T8441] device hsr_slave_1 entered promiscuous mode [ 1582.410852][ T8441] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1582.421915][ T8441] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1582.431220][ T8441] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1582.440971][ T8441] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1582.461442][ T8441] bridge0: port 2(bridge_slave_1) entered blocking state [ 1582.468614][ T8441] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1582.476168][ T8441] bridge0: port 1(bridge_slave_0) entered blocking state [ 1582.483317][ T8441] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1582.520405][ T8441] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1582.534809][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1582.544552][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 1582.553162][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 1582.562494][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1582.574846][ T8441] 8021q: adding VLAN 0 to HW filter on device team0 [ 1582.586197][ T8663] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1582.594495][ T8663] bridge0: port 1(bridge_slave_0) entered blocking state [ 1582.601682][ T8663] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1582.624210][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1582.633189][ T8661] bridge0: port 2(bridge_slave_1) entered blocking state [ 1582.640287][ T8661] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1582.649880][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1582.658171][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1582.666566][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1582.677130][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1582.687546][ T8662] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1582.697809][ T8441] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1582.717147][ T8441] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1582.726629][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1582.734235][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1582.751345][ T8662] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1582.770244][ T8663] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1582.779132][ T8663] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1582.786687][ T8663] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1582.797249][ T8441] device veth0_vlan entered promiscuous mode [ 1582.807943][ T8441] device veth1_vlan entered promiscuous mode [ 1582.826461][ T8662] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1582.835206][ T8662] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1582.844570][ T8662] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1582.857099][ T8441] device veth0_macvtap entered promiscuous mode [ 1582.866426][ T8441] device veth1_macvtap entered promiscuous mode [ 1582.882725][ T8441] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1582.890146][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1582.900226][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1582.910946][ T8441] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1582.919196][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1582.930512][ T8441] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1582.940142][ T8441] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1582.951291][ T8441] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1582.960344][ T8441] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1583.030097][ T57] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1583.038132][ T57] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1583.065076][ T8662] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1583.082733][ T57] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1583.091187][ T57] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1583.102548][ T8661] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1583.909617][ T8663] Bluetooth: hci0: command 0x0409 tx timeout 2021/06/01 05:02:45 executed programs: 3 [ 1585.998775][ T8663] Bluetooth: hci0: command 0x041b tx timeout [ 1588.069004][ T4856] Bluetooth: hci0: command 0x040f tx timeout [ 1590.147900][ T4856] Bluetooth: hci0: command 0x0419 tx timeout 2021/06/01 05:02:50 executed programs: 9 2021/06/01 05:02:56 executed programs: 15 2021/06/01 05:03:01 executed programs: 21 [ 1606.787792][ T3247] ieee802154 phy0 wpan0: encryption failed: -22 [ 1606.794321][ T3247] ieee802154 phy1 wpan1: encryption failed: -22 2021/06/01 05:03:07 executed programs: 27 2021/06/01 05:03:12 executed programs: 33 2021/06/01 05:03:18 executed programs: 39 2021/06/01 05:03:23 executed programs: 45 2021/06/01 05:03:28 executed programs: 51 2021/06/01 05:03:34 executed programs: 57 2021/06/01 05:03:39 executed programs: 63 2021/06/01 05:03:45 executed programs: 69 2021/06/01 05:03:50 executed programs: 75 2021/06/01 05:03:56 executed programs: 81 2021/06/01 05:04:01 executed programs: 87 2021/06/01 05:04:06 executed programs: 93 [ 1668.223730][ T3247] ieee802154 phy0 wpan0: encryption failed: -22 [ 1668.230077][ T3247] ieee802154 phy1 wpan1: encryption failed: -22 2021/06/01 05:04:12 executed programs: 99 2021/06/01 05:04:17 executed programs: 105 2021/06/01 05:04:23 executed programs: 111 2021/06/01 05:04:28 executed programs: 117 2021/06/01 05:04:33 executed programs: 123 2021/06/01 05:04:39 executed programs: 129 2021/06/01 05:04:44 executed programs: 135 [ 1706.140139][ T4856] Bluetooth: hci0: command 0x0406 tx timeout 2021/06/01 05:04:50 executed programs: 141 2021/06/01 05:04:55 executed programs: 147 2021/06/01 05:05:00 executed programs: 153 2021/06/01 05:05:06 executed programs: 159 [ 1729.659417][ T3247] ieee802154 phy0 wpan0: encryption failed: -22 [ 1729.665741][ T3247] ieee802154 phy1 wpan1: encryption failed: -22 2021/06/01 05:05:11 executed programs: 165 2021/06/01 05:05:17 executed programs: 171 2021/06/01 05:05:22 executed programs: 177 2021/06/01 05:05:28 executed programs: 183 2021/06/01 05:05:33 executed programs: 189 2021/06/01 05:05:38 executed programs: 195 2021/06/01 05:05:44 executed programs: 201 2021/06/01 05:05:49 executed programs: 207 2021/06/01 05:05:55 executed programs: 213 2021/06/01 05:06:00 executed programs: 219 2021/06/01 05:06:05 executed programs: 225 [ 1791.095720][ T3247] ieee802154 phy0 wpan0: encryption failed: -22 [ 1791.102060][ T3247] ieee802154 phy1 wpan1: encryption failed: -22 2021/06/01 05:06:11 executed programs: 231 2021/06/01 05:06:16 executed programs: 237 2021/06/01 05:06:22 executed programs: 243 2021/06/01 05:06:27 executed programs: 249 2021/06/01 05:06:33 executed programs: 255 2021/06/01 05:06:38 executed programs: 261 2021/06/01 05:06:43 executed programs: 267 2021/06/01 05:06:49 executed programs: 273 2021/06/01 05:06:54 executed programs: 279 2021/06/01 05:07:00 executed programs: 285 2021/06/01 05:07:05 executed programs: 291 2021/06/01 05:07:10 executed programs: 297 [ 1852.542044][ T3247] ieee802154 phy0 wpan0: encryption failed: -22 [ 1852.548395][ T3247] ieee802154 phy1 wpan1: encryption failed: -22 2021/06/01 05:07:16 executed programs: 303 2021/06/01 05:07:21 executed programs: 309 [ 1913.967634][ T3247] ieee802154 phy0 wpan0: encryption failed: -22 [ 1913.973912][ T3247] ieee802154 phy1 wpan1: encryption failed: -22 [ 1975.404190][ T3247] ieee802154 phy0 wpan0: encryption failed: -22 [ 1975.410497][ T3247] ieee802154 phy1 wpan1: encryption failed: -22 [ 2010.610649][ T1629] INFO: task syz-executor.0:10857 blocked for more than 143 seconds. [ 2010.618923][ T1629] Not tainted 5.13.0-rc4-syzkaller #0 [ 2010.627808][ T1629] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2010.636642][ T1629] task:syz-executor.0 state:D stack:26320 pid:10857 ppid: 8441 flags:0x00004004 [ 2010.646181][ T1629] Call Trace: [ 2010.649575][ T1629] __schedule+0xb98/0x1120 [ 2010.654228][ T1629] ? release_firmware_map_entry+0x181/0x181 [ 2010.660150][ T1629] schedule+0x14b/0x200 [ 2010.664476][ T1629] schedule_timeout+0x98/0x2c0 [ 2010.669354][ T1629] ? console_conditional_schedule+0x40/0x40 [ 2010.675331][ T1629] ? lockdep_hardirqs_on_prepare+0x3e2/0x750 [ 2010.681528][ T1629] ? print_irqtrace_events+0x220/0x220 [ 2010.687012][ T1629] ? _raw_spin_unlock_irq+0x1f/0x40 [ 2010.692688][ T1629] ? lockdep_hardirqs_on+0x8d/0x130 [ 2010.698106][ T1629] do_wait_for_common+0x2dd/0x450 [ 2010.703664][ T1629] ? console_conditional_schedule+0x40/0x40 [ 2010.709582][ T1629] ? wait_for_completion_killable_timeout+0x60/0x60 [ 2010.716610][ T1629] ? _raw_spin_lock_irq+0xba/0xf0 [ 2010.721967][ T1629] ? _raw_spin_lock_irqsave+0x100/0x100 [ 2010.727527][ T1629] ? start_flush_work+0x6ee/0x740 [ 2010.732992][ T1629] wait_for_completion+0x48/0x60 [ 2010.737980][ T1629] __cancel_work_timer+0x4dc/0x690 [ 2010.743550][ T1629] ? cancel_work_sync+0x20/0x20 [ 2010.748503][ T1629] ? start_flush_work+0x740/0x740 [ 2010.753925][ T1629] ? _raw_spin_unlock_irqrestore+0x8b/0x120 [ 2010.759851][ T1629] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 2010.766185][ T1629] ? _raw_spin_unlock+0x40/0x40 [ 2010.771418][ T1629] ? p9_fd_create+0x377/0x470 [ 2010.776267][ T1629] ? init_wait_entry+0xd0/0xd0 [ 2010.781717][ T1629] ? remove_wait_queue+0x2f/0x130 [ 2010.786762][ T1629] p9_fd_close+0x2a2/0x3c0 [ 2010.791666][ T1629] p9_client_create+0xa28/0xf80 [ 2010.796522][ T1629] ? p9_parse_header+0x510/0x510 [ 2010.802016][ T1629] ? lockdep_softirqs_off+0x410/0x410 [ 2010.807400][ T1629] ? lockdep_softirqs_off+0x410/0x410 [ 2010.813256][ T1629] ? v9fs_session_init+0xfc/0x18c0 [ 2010.818466][ T1629] ? __raw_spin_lock_init+0x44/0x100 [ 2010.824164][ T1629] v9fs_session_init+0x1e6/0x18c0 [ 2010.829222][ T1629] ? v9fs_show_options+0x600/0x600 [ 2010.834664][ T1629] ? rcu_read_lock_sched_held+0x87/0x110 [ 2010.840511][ T1629] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 2010.846498][ T1629] ? rcu_read_lock_sched_held+0x87/0x110 [ 2010.853725][ T1629] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 2010.859727][ T1629] ? lockdep_init_map_type+0x9f/0x9a0 [ 2010.865510][ T1629] ? v9fs_mount+0x5c/0x870 [ 2010.870027][ T1629] ? kmem_cache_alloc_trace+0x96/0x340 [ 2010.876478][ T1629] ? v9fs_mount+0x5c/0x870 [ 2010.881302][ T1629] ? kmem_cache_alloc_trace+0x96/0x340 [ 2010.886783][ T1629] v9fs_mount+0x72/0x870 [ 2010.891614][ T1629] ? cap_capable+0x27e/0x2d0 [ 2010.896298][ T1629] legacy_get_tree+0xea/0x180 [ 2010.901393][ T1629] ? asan.module_dtor+0x20/0x20 [ 2010.906270][ T1629] vfs_get_tree+0x86/0x270 [ 2010.911611][ T1629] path_mount+0x196f/0x2be0 [ 2010.916164][ T1629] ? __check_object_size+0x2f3/0x3f0 [ 2010.921825][ T1629] ? mark_mounts_for_expiry+0x520/0x520 [ 2010.927475][ T1629] ? getname_flags+0x1fe/0x640 [ 2010.932834][ T1629] __se_sys_mount+0x2f9/0x3b0 [ 2010.937521][ T1629] ? vtime_user_exit+0x2b2/0x3e0 [ 2010.942863][ T1629] ? __x64_sys_mount+0xc0/0xc0 [ 2010.947653][ T1629] ? syscall_enter_from_user_mode+0x2e/0x1c0 [ 2010.954348][ T1629] ? lockdep_hardirqs_on+0x8d/0x130 [ 2010.959785][ T1629] ? __x64_sys_mount+0x1c/0xc0 [ 2010.965461][ T1629] do_syscall_64+0x3f/0xb0 [ 2010.969897][ T1629] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 2010.976359][ T1629] RIP: 0033:0x4665d9 [ 2010.980296][ T1629] RSP: 002b:00007f3f19700188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 2010.989057][ T1629] RAX: ffffffffffffffda RBX: 000000000056c1a8 RCX: 00000000004665d9 [ 2010.997320][ T1629] RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000000000000 [ 2011.005357][ T1629] RBP: 00000000004bfcb9 R08: 0000000020000580 R09: 0000000000000000 [ 2011.013450][ T1629] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c1a8 [ 2011.022294][ T1629] R13: 00007ffe7d52bd5f R14: 00007f3f19700300 R15: 0000000000022000 [ 2011.030886][ T1629] [ 2011.030886][ T1629] Showing all locks held in the system: [ 2011.038614][ T1629] 1 lock held by khungtaskd/1629: [ 2011.044044][ T1629] #0: ffffffff8cf15c80 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 2011.053507][ T1629] 2 locks held by kworker/1:2/3227: [ 2011.058822][ T1629] #0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7aa/0x10c0 [ 2011.070710][ T1629] #1: ffffc90002f27d20 ((work_completion)(&m->wq)){+.+.}-{0:0}, at: process_one_work+0x7e8/0x10c0 [ 2011.081849][ T1629] 1 lock held by in:imklog/8109: [ 2011.086806][ T1629] #0: ffff888020baf4f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x24e/0x2f0 [ 2011.096720][ T1629] 3 locks held by kworker/u4:1/10858: [ 2011.102449][ T1629] #0: ffff8880b9b35118 (&rq->lock){-.-.}-{2:2}, at: __schedule+0x144/0x1120 [ 2011.111838][ T1629] #1: ffffc9000b33fd20 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7e8/0x10c0 [ 2011.125408][ T1629] #2: ffff8880b9b24058 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x12a/0x270 [ 2011.135554][ T1629] [ 2011.137870][ T1629] ============================================= [ 2011.137870][ T1629] [ 2011.148339][ T1629] NMI backtrace for cpu 0 [ 2011.152805][ T1629] CPU: 0 PID: 1629 Comm: khungtaskd Not tainted 5.13.0-rc4-syzkaller #0 [ 2011.161118][ T1629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2011.171183][ T1629] Call Trace: [ 2011.174552][ T1629] dump_stack+0x202/0x31e [ 2011.178933][ T1629] ? show_regs_print_info+0x12/0x12 [ 2011.184124][ T1629] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 2011.189834][ T1629] ? printk+0xc0/0x108 [ 2011.194055][ T1629] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 2011.199848][ T1629] ? wake_up_klogd+0xb2/0xf0 [ 2011.204454][ T1629] ? trace_vector_free_moved+0x190/0x1a0 [ 2011.210118][ T1629] nmi_cpu_backtrace+0x16c/0x190 [ 2011.215277][ T1629] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 2011.221470][ T1629] nmi_trigger_cpumask_backtrace+0x191/0x2f0 [ 2011.227480][ T1629] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 2011.233530][ T1629] watchdog+0xcfb/0xd40 [ 2011.237751][ T1629] ? hungtask_pm_notify+0x50/0x50 [ 2011.242755][ T1629] kthread+0x39a/0x3c0 [ 2011.246812][ T1629] ? hungtask_pm_notify+0x50/0x50 [ 2011.251820][ T1629] ? kthread_blkcg+0xd0/0xd0 [ 2011.256392][ T1629] ret_from_fork+0x1f/0x30 [ 2011.260951][ T1629] Sending NMI from CPU 0 to CPUs 1: [ 2011.266743][ C1] NMI backtrace for cpu 1 [ 2011.266750][ C1] CPU: 1 PID: 4843 Comm: systemd-journal Not tainted 5.13.0-rc4-syzkaller #0 [ 2011.266755][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2011.266759][ C1] RIP: 0010:unwind_next_frame+0x4e4/0x1f90 [ 2011.266764][ C1] Code: 84 5d 13 00 00 e9 7b 13 00 00 4c 89 f5 4d 89 f7 66 0f 1f 44 00 00 4c 89 e8 4c 29 f8 48 89 c1 48 c1 f9 02 48 c1 e8 3f 48 01 c8 <48> 83 e0 fe 49 8d 1c 47 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 [ 2011.266770][ C1] RSP: 0018:ffffc900012ff380 EFLAGS: 00000246 [ 2011.266778][ C1] RAX: 0000000000000000 RBX: ffffffff8e4cad54 RCX: 0000000000000000 [ 2011.266782][ C1] RDX: ffffffff8eb79aac RSI: ffffffff81c6ef06 RDI: ffffffff8137be89 [ 2011.266786][ C1] RBP: ffffffff8e4cad50 R08: 0000000000000008 R09: ffffc900012ff510 [ 2011.266790][ C1] R10: fffff5200025fe94 R11: 0000000000000000 R12: ffffffff81c6ef05 [ 2011.266794][ C1] R13: ffffffff8e4cad50 R14: ffffffff8e4cad50 R15: ffffffff8e4cad50 [ 2011.266798][ C1] FS: 00007f004ee558c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 2011.266802][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2011.266805][ C1] CR2: 00007f004c237018 CR3: 0000000015dff000 CR4: 00000000001506e0 [ 2011.266809][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2011.266813][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2011.266816][ C1] Call Trace: [ 2011.266818][ C1] ? __kasan_slab_alloc+0x96/0xd0 [ 2011.266821][ C1] ? stack_trace_save+0x1e0/0x1e0 [ 2011.266824][ C1] arch_stack_walk+0xb2/0xe0 [ 2011.266826][ C1] ? __kasan_slab_alloc+0x96/0xd0 [ 2011.266829][ C1] stack_trace_save+0x104/0x1e0 [ 2011.266832][ C1] ? stack_trace_snprint+0xe0/0xe0 [ 2011.266834][ C1] __kasan_slab_alloc+0x96/0xd0 [ 2011.266837][ C1] ? __kasan_slab_alloc+0x96/0xd0 [ 2011.266840][ C1] ? rcu_read_lock_sched_held+0x87/0x110 [ 2011.266843][ C1] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 2011.266846][ C1] ? __fs_reclaim_acquire+0x30/0x30 [ 2011.266848][ C1] ? __might_sleep+0x100/0x100 [ 2011.266851][ C1] ? __lock_acquire+0x147f/0x6040 [ 2011.266854][ C1] ? __lock_acquire+0x147f/0x6040 [ 2011.266856][ C1] ? __alloc_file+0x26/0x2f0 [ 2011.266859][ C1] ? __alloc_file+0x26/0x2f0 [ 2011.266862][ C1] kmem_cache_alloc+0x1d7/0x340 [ 2011.266864][ C1] ? __alloc_file+0x26/0x2f0 [ 2011.266867][ C1] __alloc_file+0x26/0x2f0 [ 2011.266869][ C1] ? alloc_empty_file+0x49/0x1b0 [ 2011.266872][ C1] alloc_empty_file+0xa9/0x1b0 [ 2011.266875][ C1] path_openat+0x119/0x39b0 [ 2011.266877][ C1] ? arch_stack_walk+0x98/0xe0 [ 2011.266880][ C1] ? do_filp_open+0x460/0x460 [ 2011.266882][ C1] ? alloc_fd+0x5eb/0x690 [ 2011.266885][ C1] ? rcu_read_lock_sched_held+0x87/0x110 [ 2011.266888][ C1] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 2011.266891][ C1] do_filp_open+0x221/0x460 [ 2011.266893][ C1] ? vfs_tmpfile+0x230/0x230 [ 2011.266896][ C1] ? alloc_fd+0x5eb/0x690 [ 2011.266898][ C1] ? __lock_acquire+0x6040/0x6040 [ 2011.266901][ C1] ? do_raw_spin_lock+0x151/0x8e0 [ 2011.266904][ C1] ? do_raw_spin_unlock+0x134/0x8a0 [ 2011.266906][ C1] ? _raw_spin_unlock+0x24/0x40 [ 2011.266909][ C1] ? alloc_fd+0x5eb/0x690 [ 2011.266911][ C1] do_sys_openat2+0x124/0x460 [ 2011.266914][ C1] ? __context_tracking_exit+0x7a/0xd0 [ 2011.266917][ C1] ? do_sys_open+0x220/0x220 [ 2011.266919][ C1] __x64_sys_open+0x221/0x270 [ 2011.266922][ C1] ? do_sys_openat2+0x460/0x460 [ 2011.266925][ C1] ? __secure_computing+0x19b/0x320 [ 2011.266927][ C1] ? syscall_enter_from_user_mode+0xf0/0x1c0 [ 2011.266930][ C1] do_syscall_64+0x3f/0xb0 [ 2011.266933][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 2011.266936][ C1] RIP: 0033:0x7f004e3e4840 [ 2011.266940][ C1] Code: 73 01 c3 48 8b 0d 68 77 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 89 bb 20 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 [ 2011.266946][ C1] RSP: 002b:00007ffc0e2fa0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 2011.266953][ C1] RAX: ffffffffffffffda RBX: 00007ffc0e2fa3f0 RCX: 00007f004e3e4840 [ 2011.266956][ C1] RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 000056033f1fb210 [ 2011.266960][ C1] RBP: 000000000000000d R08: 00007f004e3cebb8 R09: 00000000ffffffff [ 2011.266964][ C1] R10: 0000000000000090 R11: 0000000000000246 R12: 00000000ffffffff [ 2011.266968][ C1] R13: 000056033f1ef040 R14: 00007ffc0e2fa3b0 R15: 000056033f1fc6b0 [ 2011.698847][ T1629] Kernel panic - not syncing: hung_task: blocked tasks [ 2011.705713][ T1629] CPU: 0 PID: 1629 Comm: khungtaskd Not tainted 5.13.0-rc4-syzkaller #0 [ 2011.714037][ T1629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2011.724095][ T1629] Call Trace: [ 2011.727388][ T1629] dump_stack+0x202/0x31e [ 2011.731812][ T1629] ? show_regs_print_info+0x12/0x12 [ 2011.737013][ T1629] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 2011.742746][ T1629] ? lockdep_hardirqs_off+0x69/0xf0 [ 2011.747955][ T1629] panic+0x2e1/0x850 [ 2011.751885][ T1629] ? _raw_spin_unlock+0x40/0x40 [ 2011.756717][ T1629] ? nmi_trigger_cpumask_backtrace+0x236/0x2f0 [ 2011.762976][ T1629] ? nmi_panic+0x90/0x90 [ 2011.767194][ T1629] ? preempt_schedule_thunk+0x16/0x18 [ 2011.772544][ T1629] ? nmi_trigger_cpumask_backtrace+0x236/0x2f0 [ 2011.778681][ T1629] ? nmi_trigger_cpumask_backtrace+0x29b/0x2f0 [ 2011.784820][ T1629] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2f0 [ 2011.790959][ T1629] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 2011.797112][ T1629] watchdog+0xd3b/0xd40 [ 2011.801406][ T1629] ? hungtask_pm_notify+0x50/0x50 [ 2011.806428][ T1629] kthread+0x39a/0x3c0 [ 2011.810505][ T1629] ? hungtask_pm_notify+0x50/0x50 [ 2011.815512][ T1629] ? kthread_blkcg+0xd0/0xd0 [ 2011.820300][ T1629] ret_from_fork+0x1f/0x30 [ 2011.825744][ T1629] Kernel Offset: disabled [ 2011.830083][ T1629] Rebooting in 86400 seconds..