Warning: Permanently added '10.128.10.4' (ED25519) to the list of known hosts. 2025/12/22 19:57:40 ignoring optional flag "type"="gce" 2025/12/22 19:57:40 parsed 1 programs 2025/12/22 19:57:42 executed programs: 0 [ 104.821896][ T6019] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 104.888798][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 104.897821][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 104.905495][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 104.913494][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 104.921716][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 105.097253][ T6026] chnl_net:caif_netlink_parms(): no params data found [ 105.188052][ T6026] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.195278][ T6026] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.202697][ T6026] bridge_slave_0: entered allmulticast mode [ 105.209989][ T6026] bridge_slave_0: entered promiscuous mode [ 105.218944][ T6026] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.226192][ T6026] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.233652][ T6026] bridge_slave_1: entered allmulticast mode [ 105.242141][ T6026] bridge_slave_1: entered promiscuous mode [ 105.277090][ T6026] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 105.289124][ T6026] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 105.326861][ T6026] team0: Port device team_slave_0 added [ 105.335010][ T6026] team0: Port device team_slave_1 added [ 105.366807][ T6026] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 105.374401][ T6026] 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 1532 would solve the problem. [ 105.400301][ T6026] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 105.412420][ T6026] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 105.419350][ T6026] 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 1532 would solve the problem. [ 105.445588][ T6026] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 105.497494][ T6026] hsr_slave_0: entered promiscuous mode [ 105.503921][ T6026] hsr_slave_1: entered promiscuous mode [ 105.960800][ T6026] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 105.973557][ T6026] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 105.984864][ T6026] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 105.996989][ T6026] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 106.147254][ T6026] 8021q: adding VLAN 0 to HW filter on device bond0 [ 106.174120][ T6026] 8021q: adding VLAN 0 to HW filter on device team0 [ 106.188235][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.195396][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 106.219678][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.226825][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 106.523355][ T6026] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 106.582329][ T6026] veth0_vlan: entered promiscuous mode [ 106.595590][ T6026] veth1_vlan: entered promiscuous mode [ 106.638390][ T6026] veth0_macvtap: entered promiscuous mode [ 106.650422][ T6026] veth1_macvtap: entered promiscuous mode [ 106.673703][ T6026] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 106.695115][ T6026] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 106.715890][ T3435] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.736843][ T3435] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.759910][ T3435] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.773849][ T3435] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.886545][ T6079] nbd0: detected capacity change from 0 to 121732 [ 107.012002][ T52] Bluetooth: hci0: command tx timeout [ 107.649168][ T5147] block nbd0: Receive control failed (result -104) [ 107.656846][ T6079] block nbd0: shutting down sockets [ 107.671682][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 107.681832][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 107.689788][ T6021] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 107.701172][ T6021] Buffer I/O error on dev nbd0, logical block 0, async page read [ 107.709000][ T6021] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 107.719087][ T6021] Buffer I/O error on dev nbd0, logical block 0, async page read [ 107.727156][ T6021] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 107.737626][ T6021] Buffer I/O error on dev nbd0, logical block 0, async page read [ 107.745772][ T6021] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 107.755483][ T6021] Buffer I/O error on dev nbd0, logical block 0, async page read [ 107.763618][ T6021] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 107.773322][ T6021] Buffer I/O error on dev nbd0, logical block 0, async page read [ 107.781338][ T6021] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 107.790850][ T6021] Buffer I/O error on dev nbd0, logical block 0, async page read [ 107.798996][ T6021] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 107.808732][ T6021] Buffer I/O error on dev nbd0, logical block 0, async page read [ 107.820964][ T6021] ldm_validate_partition_table(): Disk read failed. [ 107.829310][ T6021] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 107.839136][ T6021] Buffer I/O error on dev nbd0, logical block 0, async page read [ 107.847610][ T6021] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 107.857912][ T6021] Buffer I/O error on dev nbd0, logical block 0, async page read [ 107.866293][ T6021] Dev nbd0: unable to read RDB block 0 [ 107.872293][ T6021] nbd0: unable to read partition table [ 107.901746][ T6021] ldm_validate_partition_table(): Disk read failed. [ 107.908493][ T6021] Dev nbd0: unable to read RDB block 0 [ 107.939111][ T6021] nbd0: unable to read partition table [ 107.947388][ T6114] ldm_validate_partition_table(): Disk read failed. [ 107.961176][ T6114] Dev nbd0: unable to read RDB block 0 [ 107.973811][ T6114] nbd0: unable to read partition table [ 108.116426][ T6118] nbd0: detected capacity change from 0 to 121732 [ 108.870717][ T5147] block nbd0: Receive control failed (result -104) [ 109.091275][ T5147] Bluetooth: hci0: command tx timeout [ 111.172710][ T5147] Bluetooth: hci0: command tx timeout [ 113.251081][ T5147] Bluetooth: hci0: command tx timeout [ 132.054174][ T1293] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.060785][ T1293] ieee802154 phy1 wpan1: encryption failed: -22 [ 138.461851][ T25] block nbd0: Possible stuck request ffff888024d8d400: control (read@0,4096B). Runtime 30 seconds 2025/12/22 19:58:40 executed programs: 3 [ 164.061124][ T52] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 164.068659][ T52] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 164.076492][ T52] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 164.084804][ T52] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 164.092403][ T52] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 164.270740][ T6229] chnl_net:caif_netlink_parms(): no params data found [ 164.360457][ T6229] bridge0: port 1(bridge_slave_0) entered blocking state [ 164.367660][ T6229] bridge0: port 1(bridge_slave_0) entered disabled state [ 164.375175][ T6229] bridge_slave_0: entered allmulticast mode [ 164.382755][ T6229] bridge_slave_0: entered promiscuous mode [ 164.390953][ T6229] bridge0: port 2(bridge_slave_1) entered blocking state [ 164.398202][ T6229] bridge0: port 2(bridge_slave_1) entered disabled state [ 164.405410][ T6229] bridge_slave_1: entered allmulticast mode [ 164.412884][ T6229] bridge_slave_1: entered promiscuous mode [ 164.450042][ T6229] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 164.462236][ T6229] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 164.499188][ T6229] team0: Port device team_slave_0 added [ 164.508754][ T6229] team0: Port device team_slave_1 added [ 164.542494][ T6229] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 164.549440][ T6229] 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 1532 would solve the problem. [ 164.575443][ T6229] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 164.587521][ T6229] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 164.594916][ T6229] 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 1532 would solve the problem. [ 164.620807][ T6229] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 164.671998][ T6229] hsr_slave_0: entered promiscuous mode [ 164.678432][ T6229] hsr_slave_1: entered promiscuous mode [ 164.685282][ T6229] debugfs: 'hsr0' already exists in 'hsr' [ 164.692259][ T6229] Cannot create hsr debugfs directory [ 164.817313][ T6229] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 164.882713][ T6229] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 164.943692][ T6229] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 164.995485][ T6229] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 165.119195][ T6229] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 165.129639][ T6229] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 165.139554][ T6229] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 165.150384][ T6229] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 165.180954][ T6229] bridge0: port 2(bridge_slave_1) entered blocking state [ 165.188057][ T6229] bridge0: port 2(bridge_slave_1) entered forwarding state [ 165.195566][ T6229] bridge0: port 1(bridge_slave_0) entered blocking state [ 165.202709][ T6229] bridge0: port 1(bridge_slave_0) entered forwarding state [ 165.253082][ T3513] bridge0: port 1(bridge_slave_0) entered disabled state [ 165.260851][ T3513] bridge0: port 2(bridge_slave_1) entered disabled state [ 165.281917][ T6229] 8021q: adding VLAN 0 to HW filter on device bond0 [ 165.302081][ T6229] 8021q: adding VLAN 0 to HW filter on device team0 [ 165.314392][ T3513] bridge0: port 1(bridge_slave_0) entered blocking state [ 165.321491][ T3513] bridge0: port 1(bridge_slave_0) entered forwarding state [ 165.335874][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 165.342975][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 165.539917][ T6229] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 165.585257][ T6229] veth0_vlan: entered promiscuous mode [ 165.597430][ T6229] veth1_vlan: entered promiscuous mode [ 165.625347][ T6229] veth0_macvtap: entered promiscuous mode [ 165.634931][ T6229] veth1_macvtap: entered promiscuous mode [ 165.656562][ T6229] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 165.671473][ T6229] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 165.685012][ T3513] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 165.696678][ T3513] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 165.706545][ T3513] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 165.716150][ T3513] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 166.131152][ T52] Bluetooth: hci1: command tx timeout [ 168.211012][ T52] Bluetooth: hci1: command tx timeout [ 168.541165][ T25] block nbd0: Possible stuck request ffff888024d8d400: control (read@0,4096B). Runtime 60 seconds [ 168.786564][ T5197] udevd[5197]: worker [6021] /devices/virtual/block/nbd0 is taking a long time [ 170.291486][ T52] Bluetooth: hci1: command tx timeout [ 172.371001][ T52] Bluetooth: hci1: command tx timeout [ 193.495527][ T1293] ieee802154 phy0 wpan0: encryption failed: -22 [ 193.502077][ T1293] ieee802154 phy1 wpan1: encryption failed: -22 [ 198.621043][ T25] block nbd0: Possible stuck request ffff888024d8d400: control (read@0,4096B). Runtime 90 seconds 2025/12/22 19:59:38 executed programs: 4 [ 221.818719][ T5147] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 221.826437][ T5147] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 221.834075][ T5147] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 221.842338][ T5147] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 221.849916][ T5147] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 222.035859][ T6259] chnl_net:caif_netlink_parms(): no params data found [ 222.125688][ T6259] bridge0: port 1(bridge_slave_0) entered blocking state [ 222.133163][ T6259] bridge0: port 1(bridge_slave_0) entered disabled state [ 222.140504][ T6259] bridge_slave_0: entered allmulticast mode [ 222.148708][ T6259] bridge_slave_0: entered promiscuous mode [ 222.156915][ T6259] bridge0: port 2(bridge_slave_1) entered blocking state [ 222.164181][ T6259] bridge0: port 2(bridge_slave_1) entered disabled state [ 222.172009][ T6259] bridge_slave_1: entered allmulticast mode [ 222.179411][ T6259] bridge_slave_1: entered promiscuous mode [ 222.215700][ T6259] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 222.227532][ T6259] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 222.265767][ T6259] team0: Port device team_slave_0 added [ 222.273905][ T6259] team0: Port device team_slave_1 added [ 222.307571][ T6259] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 222.314837][ T6259] 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 1532 would solve the problem. [ 222.341124][ T6259] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 222.353935][ T6259] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 222.361013][ T6259] 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 1532 would solve the problem. [ 222.386927][ T6259] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 222.438502][ T6259] hsr_slave_0: entered promiscuous mode [ 222.445158][ T6259] hsr_slave_1: entered promiscuous mode [ 222.452085][ T6259] debugfs: 'hsr0' already exists in 'hsr' [ 222.457803][ T6259] Cannot create hsr debugfs directory [ 222.584098][ T6259] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 222.643875][ T6259] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 222.702053][ T6259] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 222.774596][ T6259] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 222.897976][ T6259] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 222.908791][ T6259] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 222.918962][ T6259] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 222.929308][ T6259] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 222.958377][ T6259] bridge0: port 2(bridge_slave_1) entered blocking state [ 222.965496][ T6259] bridge0: port 2(bridge_slave_1) entered forwarding state [ 222.973024][ T6259] bridge0: port 1(bridge_slave_0) entered blocking state [ 222.980114][ T6259] bridge0: port 1(bridge_slave_0) entered forwarding state [ 223.024892][ T3513] bridge0: port 1(bridge_slave_0) entered disabled state [ 223.033110][ T3513] bridge0: port 2(bridge_slave_1) entered disabled state [ 223.060768][ T6259] 8021q: adding VLAN 0 to HW filter on device bond0 [ 223.081092][ T6259] 8021q: adding VLAN 0 to HW filter on device team0 [ 223.093900][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 223.101023][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 223.114397][ T3513] bridge0: port 2(bridge_slave_1) entered blocking state [ 223.121523][ T3513] bridge0: port 2(bridge_slave_1) entered forwarding state [ 223.322418][ T6259] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 223.368202][ T6259] veth0_vlan: entered promiscuous mode [ 223.382314][ T6259] veth1_vlan: entered promiscuous mode [ 223.412620][ T6259] veth0_macvtap: entered promiscuous mode [ 223.423089][ T6259] veth1_macvtap: entered promiscuous mode [ 223.442758][ T6259] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 223.456719][ T6259] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 223.470626][ T1159] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 223.479576][ T1159] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 223.489652][ T1159] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 223.500309][ T1159] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 223.891586][ T5147] Bluetooth: hci2: command tx timeout [ 225.970975][ T5147] Bluetooth: hci2: command tx timeout [ 228.051350][ T5147] Bluetooth: hci2: command tx timeout [ 228.692810][ T11] block nbd0: Possible stuck request ffff888024d8d400: control (read@0,4096B). Runtime 120 seconds [ 230.130947][ T5147] Bluetooth: hci2: command tx timeout [ 231.411016][ T5147] Bluetooth: hci0: command 0x0406 tx timeout [ 254.934217][ T1293] ieee802154 phy0 wpan0: encryption failed: -22 [ 254.940535][ T1293] ieee802154 phy1 wpan1: encryption failed: -22 [ 258.781059][ T11] block nbd0: Possible stuck request ffff888024d8d400: control (read@0,4096B). Runtime 150 seconds [ 261.331182][ T32] INFO: task syz-executor.0:6118 blocked for more than 143 seconds. [ 261.339260][ T32] Not tainted syzkaller #0 [ 261.344315][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 261.353009][ T32] task:syz-executor.0 state:D stack:28184 pid:6118 tgid:6117 ppid:6026 task_flags:0x400140 flags:0x00080803 [ 261.365044][ T32] Call Trace: [ 261.368314][ T32] [ 261.371305][ T32] __schedule+0x149b/0x4fd0 [ 261.375870][ T32] ? __pfx___schedule+0x10/0x10 [ 261.380872][ T32] ? schedule+0x91/0x360 [ 261.385127][ T32] schedule+0x165/0x360 [ 261.389289][ T32] schedule_preempt_disabled+0x13/0x30 [ 261.394796][ T32] __mutex_lock+0x7e6/0x1350 [ 261.399396][ T32] ? __mutex_lock+0x5bb/0x1350 [ 261.404209][ T32] ? bdev_release+0x1a9/0x650 [ 261.408913][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 261.414055][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 261.419695][ T32] ? __asan_memset+0x22/0x50 [ 261.424361][ T32] ? __pfx___fsnotify_parent+0x10/0x10 [ 261.429830][ T32] ? stack_trace_save+0x9c/0xe0 [ 261.434713][ T32] bdev_release+0x1a9/0x650 [ 261.439236][ T32] ? __pfx_blkdev_release+0x10/0x10 [ 261.444479][ T32] blkdev_release+0x15/0x20 [ 261.448995][ T32] __fput+0x44c/0xa70 [ 261.453025][ T32] task_work_run+0x1d4/0x260 [ 261.457626][ T32] ? __pfx_task_work_run+0x10/0x10 [ 261.462815][ T32] get_signal+0x11ec/0x1340 [ 261.467327][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 261.472987][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 261.478632][ T32] arch_do_signal_or_restart+0x9a/0x7a0 [ 261.484234][ T32] ? __pfx_task_work_add+0x10/0x10 [ 261.489358][ T32] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 261.495601][ T32] ? __fput_deferred+0x215/0x390 [ 261.500548][ T32] ? __pfx___fput_deferred+0x10/0x10 [ 261.505909][ T32] exit_to_user_mode_loop+0x87/0x4e0 [ 261.511228][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 261.516872][ T32] ? rcu_is_watching+0x15/0xb0 [ 261.521709][ T32] do_syscall_64+0x2b7/0xf80 [ 261.526313][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 261.532447][ T32] ? trace_irq_disable+0x37/0x100 [ 261.537495][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 261.543440][ T32] RIP: 0033:0x7f2ef9e7cba9 [ 261.547859][ T32] RSP: 002b:00007f2efabe20c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 261.556311][ T32] RAX: 0000000000000000 RBX: 00007f2ef9f9bf80 RCX: 00007f2ef9e7cba9 [ 261.564325][ T32] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 261.572447][ T32] RBP: 00007f2ef9ec847a R08: 0000000000000000 R09: 0000000000000000 [ 261.580725][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 261.588823][ T32] R13: 000000000000000b R14: 00007f2ef9f9bf80 R15: 00007ffd14fa2ef8 [ 261.596876][ T32] [ 261.599906][ T32] [ 261.599906][ T32] Showing all locks held in the system: [ 261.607681][ T32] 1 lock held by khungtaskd/32: [ 261.612578][ T32] #0: ffffffff8df41aa0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 261.622535][ T32] 2 locks held by getty/5587: [ 261.627216][ T32] #0: ffff88802fd710a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 261.637021][ T32] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x449/0x1460 [ 261.647232][ T32] 1 lock held by udevd/6021: [ 261.652027][ T32] #0: ffff8881413f0358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30 [ 261.661431][ T32] 1 lock held by syz-executor.0/6118: [ 261.666805][ T32] #0: ffff8881413f0358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1a9/0x650 [ 261.676456][ T32] 1 lock held by syz-executor.0/6249: [ 261.681977][ T32] #0: ffff8881413f0358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30 [ 261.691259][ T32] 1 lock held by syz-executor.0/6278: [ 261.696621][ T32] #0: ffff8881413f0358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30 [ 261.705971][ T32] [ 261.708290][ T32] ============================================= [ 261.708290][ T32] [ 261.716777][ T32] NMI backtrace for cpu 1 [ 261.716793][ T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 261.716819][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 261.716833][ T32] Call Trace: [ 261.716842][ T32] [ 261.716851][ T32] dump_stack_lvl+0xe8/0x150 [ 261.716886][ T32] nmi_cpu_backtrace+0x274/0x2d0 [ 261.716921][ T32] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 261.716963][ T32] nmi_trigger_cpumask_backtrace+0x17a/0x300 [ 261.717001][ T32] sys_info+0x135/0x170 [ 261.717029][ T32] watchdog+0xf95/0xfe0 [ 261.717069][ T32] ? watchdog+0x20a/0xfe0 [ 261.717110][ T32] kthread+0x711/0x8a0 [ 261.717146][ T32] ? __pfx_watchdog+0x10/0x10 [ 261.717178][ T32] ? __pfx_kthread+0x10/0x10 [ 261.717207][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 261.717241][ T32] ? _raw_spin_unlock_irq+0x23/0x50 [ 261.717279][ T32] ? __pfx_kthread+0x10/0x10 [ 261.717312][ T32] ret_from_fork+0x510/0xa50 [ 261.717339][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 261.717360][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 261.717387][ T32] ? __switch_to+0xc9e/0x1480 [ 261.717426][ T32] ? __pfx_kthread+0x10/0x10 [ 261.717460][ T32] ret_from_fork_asm+0x1a/0x30 [ 261.717520][ T32] [ 261.717529][ T32] Sending NMI from CPU 1 to CPUs 0: [ 261.847569][ C0] NMI backtrace for cpu 0 [ 261.847588][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 261.847611][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 261.847624][ C0] RIP: 0010:pv_native_safe_halt+0x13/0x20 [ 261.847649][ C0] Code: 3e b4 b6 f5 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 73 c1 0e 00 f3 0f 1e fa fb f4 13 b4 b6 f5 cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 [ 261.847667][ C0] RSP: 0018:ffffffff8dc07dc0 EFLAGS: 000002c2 [ 261.847685][ C0] RAX: 000000000011efcf RBX: ffffffff819713be RCX: 0000000080000001 [ 261.847701][ C0] RDX: 0000000000000001 RSI: ffffffff8d791fea RDI: ffffffff8bc083e0 [ 261.847716][ C0] RBP: ffffffff8dc07eb0 R08: ffff8880b86336db R09: 1ffff110170c66db [ 261.847732][ C0] R10: dffffc0000000000 R11: ffffed10170c66dc R12: ffffffff8f822270 [ 261.847753][ C0] R13: 1ffffffff1b92a68 R14: 0000000000000000 R15: 0000000000000000 [ 261.847769][ C0] FS: 0000000000000000(0000) GS:ffff888125e1f000(0000) knlGS:0000000000000000 [ 261.847787][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 261.847801][ C0] CR2: 000056280ae7a168 CR3: 000000000dd3a000 CR4: 0000000000350ef0 [ 261.847818][ C0] Call Trace: [ 261.847825][ C0] [ 261.847833][ C0] default_idle+0x13/0x20 [ 261.847858][ C0] default_idle_call+0x73/0xb0 [ 261.847884][ C0] do_idle+0x1be/0x4d0 [ 261.847907][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 261.847932][ C0] ? lockdep_hardirqs_on+0x7b/0x110 [ 261.847956][ C0] ? __pfx_do_idle+0x10/0x10 [ 261.847987][ C0] cpu_startup_entry+0x44/0x60 [ 261.848011][ C0] rest_init+0x2de/0x300 [ 261.848040][ C0] start_kernel+0x381/0x3d0 [ 261.848076][ C0] x86_64_start_reservations+0x24/0x30 [ 261.848105][ C0] x86_64_start_kernel+0x143/0x1c0 [ 261.848133][ C0] common_startup_64+0x13e/0x147 [ 261.848172][ C0] [ 261.860931][ T32] Kernel panic - not syncing: hung_task: blocked tasks [ 261.860950][ T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 261.860976][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 261.860991][ T32] Call Trace: [ 261.861002][ T32] [ 261.861013][ T32] vpanic+0x1e0/0x670 [ 261.861049][ T32] panic+0xb9/0xc0 [ 261.861079][ T32] ? __pfx_panic+0x10/0x10 [ 261.861107][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 261.861138][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 261.861166][ T32] ? preempt_schedule_thunk+0x16/0x30 [ 261.861195][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 261.861229][ T32] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300 [ 261.861269][ T32] watchdog+0xfdf/0xfe0 [ 261.861309][ T32] ? watchdog+0x20a/0xfe0 [ 261.861355][ T32] kthread+0x711/0x8a0 [ 261.861392][ T32] ? __pfx_watchdog+0x10/0x10 [ 261.861425][ T32] ? __pfx_kthread+0x10/0x10 [ 262.126025][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 262.131653][ T32] ? _raw_spin_unlock_irq+0x23/0x50 [ 262.136842][ T32] ? __pfx_kthread+0x10/0x10 [ 262.141416][ T32] ret_from_fork+0x510/0xa50 [ 262.145986][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 262.151071][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 262.156682][ T32] ? __switch_to+0xc9e/0x1480 [ 262.161347][ T32] ? __pfx_kthread+0x10/0x10 [ 262.165922][ T32] ret_from_fork_asm+0x1a/0x30 [ 262.170684][ T32] [ 262.174016][ T32] Kernel Offset: disabled [ 262.178324][ T32] Rebooting in 86400 seconds..