Warning: Permanently added '10.128.0.41' (ED25519) to the list of known hosts. 1970/01/01 00:00:47 ignoring optional flag "type"="gce" 1970/01/01 00:00:47 parsed 1 programs 1970/01/01 00:00:47 executed programs: 0 [ 47.458968][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 47.460524][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 47.462167][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 47.464441][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 47.465890][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 47.514313][ T6733] chnl_net:caif_netlink_parms(): no params data found [ 47.534072][ T6733] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.534139][ T6733] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.534188][ T6733] bridge_slave_0: entered allmulticast mode [ 47.534583][ T6733] bridge_slave_0: entered promiscuous mode [ 47.535461][ T6733] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.535498][ T6733] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.535535][ T6733] bridge_slave_1: entered allmulticast mode [ 47.535938][ T6733] bridge_slave_1: entered promiscuous mode [ 47.547335][ T6733] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 47.548212][ T6733] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 47.555959][ T6733] team0: Port device team_slave_0 added [ 47.556611][ T6733] team0: Port device team_slave_1 added [ 47.562828][ T6733] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 47.562854][ T6733] 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. [ 47.562865][ T6733] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 47.564109][ T6733] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 47.564116][ T6733] 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. [ 47.564129][ T6733] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 47.581393][ T6733] hsr_slave_0: entered promiscuous mode [ 47.581684][ T6733] hsr_slave_1: entered promiscuous mode [ 47.867005][ T6733] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.869545][ T6733] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.872192][ T6733] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.876671][ T6733] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.886566][ T6733] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.886602][ T6733] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.886675][ T6733] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.886702][ T6733] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.904587][ T6733] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.909003][ T41] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.910403][ T41] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.918085][ T6733] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.920450][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.920512][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.924530][ T42] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.924571][ T42] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.933216][ T6733] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 47.934417][ T6733] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 47.982757][ T6733] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.000928][ T6733] veth0_vlan: entered promiscuous mode [ 48.002690][ T6733] veth1_vlan: entered promiscuous mode [ 48.011573][ T6733] veth0_macvtap: entered promiscuous mode [ 48.012681][ T6733] veth1_macvtap: entered promiscuous mode [ 48.019141][ T6733] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 48.025368][ T6733] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 48.027514][ T41] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.029484][ T41] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.032306][ T41] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.035507][ T41] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.173961][ T6822] nbd0: detected capacity change from 0 to 2 [ 48.907579][ T52] block nbd0: Receive control failed (result -104) [ 49.543871][ T52] Bluetooth: hci0: command tx timeout [ 51.623469][ T52] Bluetooth: hci0: command tx timeout [ 53.693875][ T52] Bluetooth: hci0: command tx timeout [ 55.773481][ T52] Bluetooth: hci0: command tx timeout [ 64.494786][ T2427] ieee802154 phy0 wpan0: encryption failed: -22 [ 64.494836][ T2427] ieee802154 phy1 wpan1: encryption failed: -22 [ 64.495803][ T2334] cfg80211: failed to load regulatory.db [ 78.585896][ T113] block nbd0: Possible stuck request 00000000d3f66ca3: control (read@0,1024B). Runtime 30 seconds 1970/01/01 00:01:43 executed programs: 1 [ 104.088771][ T6136] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 104.090420][ T6136] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 104.091578][ T6136] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 104.093164][ T6136] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 104.094105][ T6136] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 104.140258][ T6933] chnl_net:caif_netlink_parms(): no params data found [ 104.158836][ T6933] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.158916][ T6933] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.158984][ T6933] bridge_slave_0: entered allmulticast mode [ 104.159394][ T6933] bridge_slave_0: entered promiscuous mode [ 104.160099][ T6933] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.160140][ T6933] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.160178][ T6933] bridge_slave_1: entered allmulticast mode [ 104.160556][ T6933] bridge_slave_1: entered promiscuous mode [ 104.171499][ T6933] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 104.172287][ T6933] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 104.180506][ T6933] team0: Port device team_slave_0 added [ 104.181161][ T6933] team0: Port device team_slave_1 added [ 104.188474][ T6933] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 104.188495][ T6933] 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. [ 104.188509][ T6933] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 104.188982][ T6933] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 104.188989][ T6933] 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. [ 104.189001][ T6933] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 104.208418][ T6933] hsr_slave_0: entered promiscuous mode [ 104.208683][ T6933] hsr_slave_1: entered promiscuous mode [ 104.208856][ T6933] debugfs: 'hsr0' already exists in 'hsr' [ 104.208904][ T6933] Cannot create hsr debugfs directory [ 104.239671][ T6933] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.278904][ T6933] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.328477][ T6933] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.379189][ T6933] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.506354][ T6933] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 104.507548][ T6933] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 104.508514][ T6933] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 104.510313][ T6933] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 104.518798][ T6933] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.518837][ T6933] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.518897][ T6933] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.518921][ T6933] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.531234][ T6933] 8021q: adding VLAN 0 to HW filter on device bond0 [ 104.536540][ T14] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.538065][ T14] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.542550][ T6933] 8021q: adding VLAN 0 to HW filter on device team0 [ 104.546947][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.546994][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.550914][ T2230] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.550943][ T2230] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.598553][ T6933] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 104.612589][ T6933] veth0_vlan: entered promiscuous mode [ 104.614427][ T6933] veth1_vlan: entered promiscuous mode [ 104.619807][ T6933] veth0_macvtap: entered promiscuous mode [ 104.620718][ T6933] veth1_macvtap: entered promiscuous mode [ 104.625607][ T6933] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 104.626641][ T6933] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 104.629808][ T14] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.631439][ T14] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.633175][ T14] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.635620][ T14] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.173537][ T6136] Bluetooth: hci1: command tx timeout [ 108.253555][ T6136] Bluetooth: hci1: command tx timeout [ 108.663620][ T113] block nbd0: Possible stuck request 00000000d3f66ca3: control (read@0,1024B). Runtime 60 seconds [ 110.333778][ T6136] Bluetooth: hci1: command tx timeout [ 110.513821][ T6183] udevd[6183]: worker [6736] /devices/virtual/block/nbd0 is taking a long time [ 112.413474][ T6136] Bluetooth: hci1: command tx timeout [ 125.933883][ T2427] ieee802154 phy0 wpan0: encryption failed: -22 [ 125.933922][ T2427] ieee802154 phy1 wpan1: encryption failed: -22 [ 138.734048][ T113] block nbd0: Possible stuck request 00000000d3f66ca3: control (read@0,1024B). Runtime 90 seconds 1970/01/01 00:02:39 executed programs: 2 [ 160.706659][ T52] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 160.708458][ T52] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 160.709225][ T52] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 160.709543][ T52] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 160.709743][ T52] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 160.756890][ T6961] chnl_net:caif_netlink_parms(): no params data found [ 160.776367][ T6961] bridge0: port 1(bridge_slave_0) entered blocking state [ 160.776408][ T6961] bridge0: port 1(bridge_slave_0) entered disabled state [ 160.776461][ T6961] bridge_slave_0: entered allmulticast mode [ 160.776875][ T6961] bridge_slave_0: entered promiscuous mode [ 160.777438][ T6961] bridge0: port 2(bridge_slave_1) entered blocking state [ 160.777456][ T6961] bridge0: port 2(bridge_slave_1) entered disabled state [ 160.777496][ T6961] bridge_slave_1: entered allmulticast mode [ 160.777882][ T6961] bridge_slave_1: entered promiscuous mode [ 160.789982][ T6961] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 160.790795][ T6961] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 160.797579][ T6961] team0: Port device team_slave_0 added [ 160.799228][ T6961] team0: Port device team_slave_1 added [ 160.806255][ T6961] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 160.806275][ T6961] 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. [ 160.806289][ T6961] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 160.806773][ T6961] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 160.806778][ T6961] 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. [ 160.806790][ T6961] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 160.825618][ T6961] hsr_slave_0: entered promiscuous mode [ 160.825915][ T6961] hsr_slave_1: entered promiscuous mode [ 160.826079][ T6961] debugfs: 'hsr0' already exists in 'hsr' [ 160.826089][ T6961] Cannot create hsr debugfs directory [ 160.857962][ T6961] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 160.879434][ T6961] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 160.918603][ T6961] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 160.958992][ T6961] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 161.077876][ T6961] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 161.080250][ T6961] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 161.082455][ T6961] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 161.084677][ T6961] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 161.094235][ T6961] bridge0: port 2(bridge_slave_1) entered blocking state [ 161.094283][ T6961] bridge0: port 2(bridge_slave_1) entered forwarding state [ 161.094423][ T6961] bridge0: port 1(bridge_slave_0) entered blocking state [ 161.094459][ T6961] bridge0: port 1(bridge_slave_0) entered forwarding state [ 161.115511][ T6961] 8021q: adding VLAN 0 to HW filter on device bond0 [ 161.118392][ T2230] bridge0: port 1(bridge_slave_0) entered disabled state [ 161.119771][ T2230] bridge0: port 2(bridge_slave_1) entered disabled state [ 161.124275][ T6961] 8021q: adding VLAN 0 to HW filter on device team0 [ 161.126495][ T2230] bridge0: port 1(bridge_slave_0) entered blocking state [ 161.126532][ T2230] bridge0: port 1(bridge_slave_0) entered forwarding state [ 161.130681][ T42] bridge0: port 2(bridge_slave_1) entered blocking state [ 161.130729][ T42] bridge0: port 2(bridge_slave_1) entered forwarding state [ 161.180132][ T6961] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 161.189798][ T6961] veth0_vlan: entered promiscuous mode [ 161.191352][ T6961] veth1_vlan: entered promiscuous mode [ 161.199682][ T6961] veth0_macvtap: entered promiscuous mode [ 161.200593][ T6961] veth1_macvtap: entered promiscuous mode [ 161.206140][ T6961] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 161.210105][ T6961] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 161.213425][ T14] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 161.214299][ T14] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 161.217385][ T14] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 161.219009][ T14] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 162.733517][ T52] Bluetooth: hci2: command tx timeout [ 164.823466][ T52] Bluetooth: hci2: command tx timeout [ 166.893790][ T52] Bluetooth: hci2: command tx timeout [ 168.833508][ T113] block nbd0: Possible stuck request 00000000d3f66ca3: control (read@0,1024B). Runtime 120 seconds [ 168.973464][ T52] Bluetooth: hci2: command tx timeout [ 174.093511][ T6136] Bluetooth: hci0: command 0x0406 tx timeout [ 187.374092][ T2427] ieee802154 phy0 wpan0: encryption failed: -22 [ 187.374138][ T2427] ieee802154 phy1 wpan1: encryption failed: -22 [ 191.854081][ T32] INFO: task syz-executor.0:6822 blocked for more than 143 seconds. [ 191.854109][ T32] Not tainted syzkaller #0 [ 191.854128][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 191.854138][ T32] task:syz-executor.0 state:D stack:0 pid:6822 tgid:6810 ppid:6733 task_flags:0x480140 flags:0x00000009 [ 191.854162][ T32] Call trace: [ 191.854170][ T32] __switch_to+0x418/0x87c (T) [ 191.854190][ T32] __schedule+0x13b0/0x2864 [ 191.854202][ T32] schedule+0xb4/0x230 [ 191.854212][ T32] blk_mq_freeze_queue_wait+0xe0/0x158 [ 191.854225][ T32] blk_mq_freeze_queue_nomemsave+0xe8/0x13c [ 191.854235][ T32] nbd_add_socket+0x188/0x7a8 [ 191.854245][ T32] nbd_ioctl+0x4a0/0xc4c [ 191.854253][ T32] blkdev_ioctl+0x610/0xac0 [ 191.854262][ T32] __arm64_sys_ioctl+0x14c/0x1c4 [ 191.854274][ T32] invoke_syscall+0x98/0x254 [ 191.854284][ T32] el0_svc_common+0x130/0x23c [ 191.854293][ T32] do_el0_svc+0x48/0x58 [ 191.854303][ T32] el0_svc+0x5c/0x254 [ 191.854311][ T32] el0t_64_sync_handler+0x84/0x12c [ 191.854319][ T32] el0t_64_sync+0x198/0x19c [ 191.854336][ T32] [ 191.854336][ T32] Showing all locks held in the system: [ 191.854343][ T32] 1 lock held by khungtaskd/32: [ 191.854350][ T32] #0: ffff80008fa49aa0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 [ 191.854393][ T32] 2 locks held by kworker/u8:6/2230: [ 191.854403][ T32] 2 locks held by getty/6328: [ 191.854409][ T32] #0: ffff0000d32430a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 191.854442][ T32] #1: ffff800099f5e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa4 [ 191.854477][ T32] 1 lock held by udevd/6736: [ 191.854484][ T32] #0: ffff0000ca7ff358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xcc/0xc20 [ 191.854520][ T32] 1 lock held by syz-executor.0/6811: [ 191.854526][ T32] #0: ffff0000cac86230 (&nbd->config_lock){+.+.}-{4:4}, at: nbd_ioctl+0x8f4/0xc4c [ 191.854560][ T32] 3 locks held by syz-executor.0/6822: [ 191.854566][ T32] #0: ffff0000cac86230 (&nbd->config_lock){+.+.}-{4:4}, at: nbd_ioctl+0x124/0xc4c [ 191.854598][ T32] #1: ffff0000ca7d3b58 (&q->q_usage_counter(io)#33){++++}-{0:0}, at: nbd_add_socket+0x188/0x7a8 [ 191.854636][ T32] #2: ffff0000ca7d3b90 (&q->q_usage_counter(queue)#17){+.+.}-{0:0}, at: nbd_add_socket+0x188/0x7a8 [ 191.854674][ T32] 1 lock held by syz-executor.0/6952: [ 191.854680][ T32] #0: ffff0000ca7ff358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xcc/0xc20 [ 191.854721][ T32] 1 lock held by syz-executor.0/6953: [ 191.854728][ T32] #0: ffff0000ca7ff358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xcc/0xc20 [ 191.854765][ T32] 1 lock held by syz-executor.0/6981: [ 191.854771][ T32] #0: ffff0000ca7ff358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xcc/0xc20 [ 191.854804][ T32] 1 lock held by syz-executor.0/6982: [ 191.854810][ T32] #0: ffff0000ca7ff358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xcc/0xc20 [ 191.854843][ T32] [ 191.854848][ T32] ============================================= [ 191.854848][ T32] [ 191.854855][ T32] Kernel panic - not syncing: hung_task: blocked tasks [ 191.899376][ T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT [ 191.900756][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 191.902384][ T32] Call trace: [ 191.902919][ T32] show_stack+0x2c/0x3c (C) [ 191.903644][ T32] __dump_stack+0x30/0x40 [ 191.904334][ T32] dump_stack_lvl+0x30/0x12c [ 191.905058][ T32] dump_stack+0x1c/0x28 [ 191.905709][ T32] vpanic+0x280/0x780 [ 191.906349][ T32] vpanic+0x0/0x780 [ 191.907047][ T32] hung_task_panic+0x0/0x2c [ 191.907785][ T32] kthread+0x5fc/0x75c [ 191.908497][ T32] ret_from_fork+0x10/0x20 [ 191.909230][ T32] SMP: stopping secondary CPUs [ 191.910022][ T32] Kernel Offset: disabled [ 191.910718][ T32] CPU features: 0x080000,0000f000,21381141,5427fea7 [ 191.911752][ T32] Memory Limit: none [ 192.095344][ T32] Rebooting in 86400 seconds..