Warning: Permanently added '10.128.0.38' (ECDSA) to the list of known hosts. 2021/08/06 17:56:14 parsed 1 programs 2021/08/06 17:56:14 executed programs: 0 [ 1582.551256][ T6596] chnl_net:caif_netlink_parms(): no params data found [ 1582.629717][ T6596] bridge0: port 1(bridge_slave_0) entered blocking state [ 1582.639453][ T6596] bridge0: port 1(bridge_slave_0) entered disabled state [ 1582.648455][ T6596] device bridge_slave_0 entered promiscuous mode [ 1582.659616][ T6596] bridge0: port 2(bridge_slave_1) entered blocking state [ 1582.666935][ T6596] bridge0: port 2(bridge_slave_1) entered disabled state [ 1582.675232][ T6596] device bridge_slave_1 entered promiscuous mode [ 1582.705216][ T6596] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1582.716463][ T6596] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1582.748894][ T6596] team0: Port device team_slave_0 added [ 1582.756113][ T6596] team0: Port device team_slave_1 added [ 1582.785134][ T6596] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1582.792365][ T6596] 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. [ 1582.819784][ T6596] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1582.834278][ T6596] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1582.842345][ T6596] 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. [ 1582.869026][ T6596] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1582.907409][ T6596] device hsr_slave_0 entered promiscuous mode [ 1582.914509][ T6596] device hsr_slave_1 entered promiscuous mode [ 1583.034785][ T6596] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1583.044741][ T6596] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1583.054248][ T6596] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1583.064129][ T6596] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1583.086258][ T6596] bridge0: port 2(bridge_slave_1) entered blocking state [ 1583.093401][ T6596] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1583.101340][ T6596] bridge0: port 1(bridge_slave_0) entered blocking state [ 1583.108394][ T6596] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1583.147099][ T6596] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1583.161851][ T6760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1583.174666][ T6760] bridge0: port 1(bridge_slave_0) entered disabled state [ 1583.183070][ T6760] bridge0: port 2(bridge_slave_1) entered disabled state [ 1583.194182][ T6760] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1583.205215][ T6596] 8021q: adding VLAN 0 to HW filter on device team0 [ 1583.218527][ T6919] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1583.226923][ T6919] bridge0: port 1(bridge_slave_0) entered blocking state [ 1583.233990][ T6919] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1583.246127][ T6760] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1583.254777][ T6760] bridge0: port 2(bridge_slave_1) entered blocking state [ 1583.261868][ T6760] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1583.280955][ T6930] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1583.289533][ T6930] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1583.303971][ T6930] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1583.315576][ T6929] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1583.328287][ T6596] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1583.339473][ T6596] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1583.348554][ T6930] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1583.367793][ T6929] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1583.375307][ T6929] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1583.388945][ T6596] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1583.413375][ T6919] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1583.426765][ T6930] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1583.437959][ T6930] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1583.446319][ T6930] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1583.454374][ T6596] device veth0_vlan entered promiscuous mode [ 1583.467649][ T6596] device veth1_vlan entered promiscuous mode [ 1583.488431][ T6929] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1583.496518][ T6929] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1583.504871][ T6929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1583.516596][ T6596] device veth0_macvtap entered promiscuous mode [ 1583.526677][ T6596] device veth1_macvtap entered promiscuous mode [ 1583.535651][ T6919] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1583.551257][ T6596] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1583.564545][ T6596] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1583.572098][ T6929] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 1583.581348][ T6929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1583.589786][ T6929] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1583.598762][ T6929] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1583.610905][ T6596] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1583.619656][ T6596] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1583.629254][ T6596] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1583.638323][ T6596] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1583.737386][ T1107] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1583.763666][ T1107] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1583.774765][ T1244] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1583.784485][ T1244] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1583.794511][ T6760] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1583.803628][ T6760] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1583.849110][ C1] hrtimer: interrupt took 29861 ns [ 1584.401582][ T6919] Bluetooth: hci0: command 0x0409 tx timeout 2021/08/06 17:56:19 executed programs: 52 [ 1586.480885][ T6919] Bluetooth: hci0: command 0x041b tx timeout [ 1588.565407][ T6919] Bluetooth: hci0: command 0x040f tx timeout [ 1590.630094][ T6919] Bluetooth: hci0: command 0x0419 tx timeout 2021/08/06 17:56:24 executed programs: 160 2021/08/06 17:56:29 executed programs: 276 2021/08/06 17:56:34 executed programs: 391 2021/08/06 17:56:39 executed programs: 508 [ 1606.976402][ T1376] ieee802154 phy0 wpan0: encryption failed: -22 [ 1606.983023][ T1376] ieee802154 phy1 wpan1: encryption failed: -22 2021/08/06 17:56:44 executed programs: 626 2021/08/06 17:56:50 executed programs: 739 2021/08/06 17:56:55 executed programs: 855 2021/08/06 17:57:00 executed programs: 974 2021/08/06 17:57:05 executed programs: 1094 2021/08/06 17:57:10 executed programs: 1214 2021/08/06 17:57:15 executed programs: 1325 2021/08/06 17:57:20 executed programs: 1441 2021/08/06 17:57:25 executed programs: 1556 2021/08/06 17:57:30 executed programs: 1672 2021/08/06 17:57:35 executed programs: 1788 2021/08/06 17:57:40 executed programs: 1902 [ 1668.388562][ T1376] ieee802154 phy0 wpan0: encryption failed: -22 [ 1668.394880][ T1376] ieee802154 phy1 wpan1: encryption failed: -22 2021/08/06 17:57:45 executed programs: 2021 2021/08/06 17:57:50 executed programs: 2139 2021/08/06 17:57:55 executed programs: 2253 2021/08/06 17:58:00 executed programs: 2371 2021/08/06 17:58:05 executed programs: 2486 2021/08/06 17:58:10 executed programs: 2603 2021/08/06 17:58:15 executed programs: 2718 [ 1706.304201][ T6571] Bluetooth: hci0: command 0x0406 tx timeout 2021/08/06 17:58:20 executed programs: 2835 2021/08/06 17:58:25 executed programs: 2950 2021/08/06 17:58:30 executed programs: 3066 2021/08/06 17:58:35 executed programs: 3184 2021/08/06 17:58:40 executed programs: 3297 [ 1729.824324][ T1376] ieee802154 phy0 wpan0: encryption failed: -22 [ 1729.830643][ T1376] ieee802154 phy1 wpan1: encryption failed: -22 2021/08/06 17:58:45 executed programs: 3412 2021/08/06 17:58:50 executed programs: 3524 2021/08/06 17:58:55 executed programs: 3640 2021/08/06 17:59:00 executed programs: 3757 2021/08/06 17:59:05 executed programs: 3873 2021/08/06 17:59:10 executed programs: 3992 2021/08/06 17:59:15 executed programs: 4109 2021/08/06 17:59:20 executed programs: 4222 2021/08/06 17:59:25 executed programs: 4436 2021/08/06 17:59:30 executed programs: 4676 2021/08/06 17:59:35 executed programs: 4915 2021/08/06 17:59:40 executed programs: 5160 [ 1791.271155][ T1376] ieee802154 phy0 wpan0: encryption failed: -22 [ 1791.277469][ T1376] ieee802154 phy1 wpan1: encryption failed: -22 2021/08/06 17:59:45 executed programs: 5399 2021/08/06 17:59:50 executed programs: 5646 2021/08/06 17:59:55 executed programs: 5890 2021/08/06 18:00:00 executed programs: 6134 2021/08/06 18:00:05 executed programs: 6374 2021/08/06 18:00:10 executed programs: 6607 2021/08/06 18:00:15 executed programs: 6844 2021/08/06 18:00:20 executed programs: 7091 2021/08/06 18:00:25 executed programs: 7331 2021/08/06 18:00:30 executed programs: 7574 2021/08/06 18:00:35 executed programs: 7815 2021/08/06 18:00:41 executed programs: 8057 2021/08/06 18:00:46 executed programs: 8294 [ 1852.697738][ T1376] ieee802154 phy0 wpan0: encryption failed: -22 [ 1852.704095][ T1376] ieee802154 phy1 wpan1: encryption failed: -22 2021/08/06 18:00:51 executed programs: 8539 2021/08/06 18:00:56 executed programs: 8784 2021/08/06 18:01:01 executed programs: 9027 2021/08/06 18:01:06 executed programs: 9265 2021/08/06 18:01:11 executed programs: 9498 2021/08/06 18:01:16 executed programs: 9731 2021/08/06 18:01:21 executed programs: 9965 2021/08/06 18:01:26 executed programs: 10208 2021/08/06 18:01:31 executed programs: 10451 2021/08/06 18:01:36 executed programs: 10691 2021/08/06 18:01:41 executed programs: 10928 2021/08/06 18:01:46 executed programs: 11162 [ 1914.144517][ T1376] ieee802154 phy0 wpan0: encryption failed: -22 [ 1914.150834][ T1376] ieee802154 phy1 wpan1: encryption failed: -22 2021/08/06 18:01:51 executed programs: 11392 2021/08/06 18:01:56 executed programs: 11634 2021/08/06 18:02:01 executed programs: 11877 2021/08/06 18:02:06 executed programs: 12112 2021/08/06 18:02:11 executed programs: 12345 2021/08/06 18:02:16 executed programs: 12579 [ 1975.572069][ T1376] ieee802154 phy0 wpan0: encryption failed: -22 [ 1975.578397][ T1376] ieee802154 phy1 wpan1: encryption failed: -22 [ 2037.007473][ T1376] ieee802154 phy0 wpan0: encryption failed: -22 [ 2037.013785][ T1376] ieee802154 phy1 wpan1: encryption failed: -22 [ 2088.202075][ T26] INFO: task syz-executor.0:4356 can't die for more than 143 seconds. [ 2088.210422][ T26] task:syz-executor.0 state:D stack:27408 pid: 4356 ppid: 6596 flags:0x00000006 [ 2088.221870][ T26] Call Trace: [ 2088.225170][ T26] __schedule+0x949/0x2710 [ 2088.229673][ T26] ? io_schedule_timeout+0x140/0x140 [ 2088.237850][ T26] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 2088.243851][ T26] ? lockdep_hardirqs_on+0x79/0x100 [ 2088.249209][ T26] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 2088.256368][ T26] schedule+0xd3/0x290 [ 2088.260445][ T26] perf_event_free_task+0x519/0x6c0 [ 2088.266336][ T26] ? perf_event_exit_task+0x740/0x740 [ 2088.272140][ T26] ? init_wait_var_entry+0x200/0x200 [ 2088.277497][ T26] copy_process+0x4b59/0x7510 [ 2088.283039][ T26] ? mark_lock+0xef/0x17b0 [ 2088.287492][ T26] ? __cleanup_sighand+0xb0/0xb0 [ 2088.292719][ T26] ? do_futex+0x153/0x1770 [ 2088.297217][ T26] ? __lock_acquire+0x162f/0x54a0 [ 2088.303080][ T26] ? kernel_clone+0x314/0xac0 [ 2088.307780][ T26] kernel_clone+0xe7/0xac0 [ 2088.313084][ T26] ? create_io_thread+0xf0/0xf0 [ 2088.317941][ T26] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 2088.325256][ T26] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 2088.331259][ T26] ? find_held_lock+0x2d/0x110 [ 2088.337202][ T26] __do_sys_clone+0xc8/0x110 [ 2088.342434][ T26] ? kernel_clone+0xac0/0xac0 [ 2088.347106][ T26] ? lock_downgrade+0x6e0/0x6e0 [ 2088.352867][ T26] ? syscall_enter_from_user_mode+0x21/0x70 [ 2088.358804][ T26] do_syscall_64+0x35/0xb0 [ 2088.364473][ T26] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 2088.370386][ T26] RIP: 0033:0x4665e9 [ 2088.375039][ T26] RSP: 002b:00007fa044c44188 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 2088.383609][ T26] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 [ 2088.391600][ T26] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000002124f700 [ 2088.399697][ T26] RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 [ 2088.407856][ T26] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 [ 2088.415942][ T26] R13: 00007ffea9d96d9f R14: 00007fa044c44300 R15: 0000000000022000 [ 2088.423982][ T26] INFO: task syz-executor.0:4356 blocked for more than 143 seconds. [ 2088.432018][ T26] Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 2088.439119][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2088.447921][ T26] task:syz-executor.0 state:D stack:27408 pid: 4356 ppid: 6596 flags:0x00000006 [ 2088.457448][ T26] Call Trace: [ 2088.460734][ T26] __schedule+0x949/0x2710 [ 2088.465210][ T26] ? io_schedule_timeout+0x140/0x140 [ 2088.470501][ T26] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 2088.476354][ T26] ? lockdep_hardirqs_on+0x79/0x100 [ 2088.481723][ T26] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 2088.487550][ T26] schedule+0xd3/0x290 [ 2088.491616][ T26] perf_event_free_task+0x519/0x6c0 [ 2088.496902][ T26] ? perf_event_exit_task+0x740/0x740 [ 2088.502342][ T26] ? init_wait_var_entry+0x200/0x200 [ 2088.507650][ T26] copy_process+0x4b59/0x7510 [ 2088.512400][ T26] ? mark_lock+0xef/0x17b0 [ 2088.516846][ T26] ? __cleanup_sighand+0xb0/0xb0 [ 2088.521855][ T26] ? do_futex+0x153/0x1770 [ 2088.526288][ T26] ? __lock_acquire+0x162f/0x54a0 [ 2088.531298][ T26] ? kernel_clone+0x314/0xac0 [ 2088.536020][ T26] kernel_clone+0xe7/0xac0 [ 2088.540448][ T26] ? create_io_thread+0xf0/0xf0 [ 2088.545374][ T26] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 2088.551363][ T26] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 2088.557514][ T26] ? find_held_lock+0x2d/0x110 [ 2088.562346][ T26] __do_sys_clone+0xc8/0x110 [ 2088.566952][ T26] ? kernel_clone+0xac0/0xac0 [ 2088.571678][ T26] ? lock_downgrade+0x6e0/0x6e0 [ 2088.576545][ T26] ? syscall_enter_from_user_mode+0x21/0x70 [ 2088.582492][ T26] do_syscall_64+0x35/0xb0 [ 2088.586915][ T26] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 2088.592959][ T26] RIP: 0033:0x4665e9 [ 2088.596853][ T26] RSP: 002b:00007fa044c44188 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 2088.605309][ T26] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 [ 2088.613414][ T26] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000002124f700 [ 2088.621429][ T26] RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 [ 2088.629453][ T26] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 [ 2088.637489][ T26] R13: 00007ffea9d96d9f R14: 00007fa044c44300 R15: 0000000000022000 [ 2088.645566][ T26] [ 2088.645566][ T26] Showing all locks held in the system: [ 2088.653369][ T26] 1 lock held by khungtaskd/26: [ 2088.658381][ T26] #0: ffffffff8b97e980 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 2088.668392][ T26] [ 2088.670762][ T26] ============================================= [ 2088.670762][ T26] [ 2088.679320][ T26] NMI backtrace for cpu 1 [ 2088.683641][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 2088.692990][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2088.703024][ T26] Call Trace: [ 2088.706285][ T26] dump_stack_lvl+0xcd/0x134 [ 2088.710921][ T26] nmi_cpu_backtrace.cold+0x28/0x11b [ 2088.716189][ T26] ? lapic_can_unplug_cpu+0x80/0x80 [ 2088.721412][ T26] nmi_trigger_cpumask_backtrace+0x1ae/0x220 [ 2088.727428][ T26] watchdog+0xcb7/0xed0 [ 2088.731603][ T26] ? trace_sched_process_hang+0x280/0x280 [ 2088.737324][ T26] kthread+0x3e5/0x4d0 [ 2088.741405][ T26] ? set_kthread_struct+0x130/0x130 [ 2088.746586][ T26] ret_from_fork+0x1f/0x30 [ 2088.751086][ T26] Sending NMI from CPU 1 to CPUs 0: [ 2088.756329][ C0] NMI backtrace for cpu 0 [ 2088.756339][ C0] CPU: 0 PID: 6278 Comm: rs:main Q:Reg Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 2088.756361][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2088.756373][ C0] RIP: 0010:ext4_da_write_end+0x6f8/0xb50 [ 2088.756451][ C0] Code: 08 00 00 00 4c 89 ff e8 76 aa aa ff 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 de 03 00 00 49 8b 1f <31> ff 48 c1 eb 04 83 e3 01 89 de e8 98 25 65 ff 84 db 0f 84 62 fa [ 2088.756471][ C0] RSP: 0018:ffffc9000c27fa18 EFLAGS: 00000246 [ 2088.756487][ C0] RAX: dffffc0000000000 RBX: 0000000000000113 RCX: ffffffff821098aa [ 2088.756500][ C0] RDX: 1ffff1100de4d5b3 RSI: 0000000000000008 RDI: ffff88806f26ad98 [ 2088.756514][ C0] RBP: ffff8880703b36a0 R08: 0000000000000000 R09: ffff88806f26ad9f [ 2088.756527][ C0] R10: ffffed100de4d5b3 R11: 000000000000003f R12: 00000000000004d8 [ 2088.756540][ C0] R13: ffffea0001a44880 R14: ffff8880703b3478 R15: ffff88806f26ad98 [ 2088.756554][ C0] FS: 00007f3e58a78700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 2088.756573][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2088.756587][ C0] CR2: 00007f52c5dbf000 CR3: 0000000070afa000 CR4: 00000000001506f0 [ 2088.756600][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2088.756611][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2088.756623][ C0] Call Trace: [ 2088.756634][ C0] generic_perform_write+0x2c3/0x510 [ 2088.756686][ C0] ? filemap_fdatawrite_wbc+0x2b0/0x2b0 [ 2088.756710][ C0] ? __down_timeout+0x10/0x10 [ 2088.756736][ C0] ext4_buffered_write_iter+0x244/0x4d0 [ 2088.756784][ C0] ext4_file_write_iter+0x423/0x14e0 [ 2088.756813][ C0] ? ext4_buffered_write_iter+0x4d0/0x4d0 [ 2088.756840][ C0] ? aa_path_link+0x2f0/0x2f0 [ 2088.756905][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 2088.756927][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 2088.756953][ C0] new_sync_write+0x426/0x650 [ 2088.756991][ C0] ? new_sync_read+0x6e0/0x6e0 [ 2088.757012][ C0] ? lock_release+0x720/0x720 [ 2088.757031][ C0] ? apparmor_file_permission+0x264/0x4e0 [ 2088.757060][ C0] vfs_write+0x75a/0xa40 [ 2088.757081][ C0] ksys_write+0x12d/0x250 [ 2088.757100][ C0] ? __ia32_sys_read+0xb0/0xb0 [ 2088.757120][ C0] ? syscall_enter_from_user_mode+0x21/0x70 [ 2088.757148][ C0] do_syscall_64+0x35/0xb0 [ 2088.757167][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 2088.757193][ C0] RIP: 0033:0x7f3e5b4bc1cd [ 2088.757208][ C0] Code: c2 20 00 00 75 10 b8 01 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ae fc ff ff 48 89 04 24 b8 01 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 f7 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 2088.757227][ C0] RSP: 002b:00007f3e58a77590 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 2088.757245][ C0] RAX: ffffffffffffffda RBX: 00007f3e4c021a10 RCX: 00007f3e5b4bc1cd [ 2088.757258][ C0] RDX: 00000000000004d8 RSI: 00007f3e4c021a10 RDI: 000000000000000a [ 2088.757271][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 2088.757282][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3e4c021790 [ 2088.757294][ C0] R13: 00007f3e58a775b0 R14: 0000564bb7d027c0 R15: 00000000000004d8 [ 2088.757381][ T26] Kernel panic - not syncing: hung_task: blocked tasks [ 2089.071891][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted 5.14.0-rc3-next-20210730-syzkaller #0 [ 2089.081254][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2089.091298][ T26] Call Trace: [ 2089.094581][ T26] dump_stack_lvl+0xcd/0x134 [ 2089.099186][ T26] panic+0x2b0/0x6dd [ 2089.103110][ T26] ? __warn_printk+0xf3/0xf3 [ 2089.107697][ T26] ? lapic_can_unplug_cpu+0x80/0x80 [ 2089.112892][ T26] ? preempt_schedule_thunk+0x16/0x18 [ 2089.118271][ T26] ? nmi_trigger_cpumask_backtrace+0x191/0x220 [ 2089.124424][ T26] ? watchdog.cold+0x1b9/0x1de [ 2089.129216][ T26] watchdog.cold+0x1ca/0x1de [ 2089.133805][ T26] ? trace_sched_process_hang+0x280/0x280 [ 2089.139522][ T26] kthread+0x3e5/0x4d0 [ 2089.143586][ T26] ? set_kthread_struct+0x130/0x130 [ 2089.148793][ T26] ret_from_fork+0x1f/0x30 [ 2089.154749][ T26] Kernel Offset: disabled [ 2089.159065][ T26] Rebooting in 86400 seconds..