Warning: Permanently added '10.128.1.185' (ED25519) to the list of known hosts.
2026/02/20 17:15:04 ignoring optional flag "type"="gce"
2026/02/20 17:15:04 parsed 1 programs
2026/02/20 17:15:04 executed programs: 0
[ 88.361156][ T5811] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 88.370541][ T5811] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 88.378185][ T5811] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 88.385922][ T5811] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 88.394472][ T5811] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 88.509828][ T5997] chnl_net:caif_netlink_parms(): no params data found
[ 88.564771][ T5997] bridge0: port 1(bridge_slave_0) entered blocking state
[ 88.571903][ T5997] bridge0: port 1(bridge_slave_0) entered disabled state
[ 88.579854][ T5997] bridge_slave_0: entered allmulticast mode
[ 88.586689][ T5997] bridge_slave_0: entered promiscuous mode
[ 88.594471][ T5997] bridge0: port 2(bridge_slave_1) entered blocking state
[ 88.601615][ T5997] bridge0: port 2(bridge_slave_1) entered disabled state
[ 88.608819][ T5997] bridge_slave_1: entered allmulticast mode
[ 88.616081][ T5997] bridge_slave_1: entered promiscuous mode
[ 88.641444][ T5997] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 88.652771][ T5997] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 88.678371][ T5997] team0: Port device team_slave_0 added
[ 88.686575][ T5997] team0: Port device team_slave_1 added
[ 88.709181][ T5997] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 88.716401][ T5997] 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.
[ 88.742381][ T5997] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 88.754893][ T5997] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 88.761863][ T5997] 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.
[ 88.787764][ T5997] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 88.821924][ T5997] hsr_slave_0: entered promiscuous mode
[ 88.828164][ T5997] hsr_slave_1: entered promiscuous mode
[ 89.257013][ T5997] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 89.270373][ T5997] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 89.281066][ T5997] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 89.295768][ T5997] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 89.342293][ T5997] bridge0: port 2(bridge_slave_1) entered blocking state
[ 89.349474][ T5997] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 89.356927][ T5997] bridge0: port 1(bridge_slave_0) entered blocking state
[ 89.364079][ T5997] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 89.431293][ T5997] 8021q: adding VLAN 0 to HW filter on device bond0
[ 89.450082][ T12] bridge0: port 1(bridge_slave_0) entered disabled state
[ 89.459083][ T12] bridge0: port 2(bridge_slave_1) entered disabled state
[ 89.474311][ T5997] 8021q: adding VLAN 0 to HW filter on device team0
[ 89.488227][ T13] bridge0: port 1(bridge_slave_0) entered blocking state
[ 89.495384][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 89.518091][ T12] bridge0: port 2(bridge_slave_1) entered blocking state
[ 89.525265][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 89.737078][ T5997] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 89.788315][ T5997] veth0_vlan: entered promiscuous mode
[ 89.801420][ T5997] veth1_vlan: entered promiscuous mode
[ 89.836097][ T5997] veth0_macvtap: entered promiscuous mode
[ 89.847375][ T5997] veth1_macvtap: entered promiscuous mode
[ 89.868887][ T5997] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 89.886326][ T5997] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 89.902285][ T84] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 89.929840][ T84] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 89.956819][ T84] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 89.981063][ T84] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 90.085922][ T6056] nbd0: detected capacity change from 0 to 8
[ 90.484462][ T5811] Bluetooth: hci0: command tx timeout
[ 90.841946][ T5128] block nbd0: Receive control failed (result -104)
[ 90.842305][ T6056] block nbd0: shutting down sockets
[ 90.864485][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 90.874317][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 90.882343][ T5984] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 90.893930][ T5984] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 90.901884][ T5984] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 90.911659][ T5984] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 90.919743][ T5984] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 90.929573][ T5984] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 90.937671][ T5984] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 90.947447][ T5984] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 90.955545][ T5984] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 90.965370][ T5984] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 90.973309][ T5984] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 90.988470][ T5984] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 90.996531][ T5984] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 91.006590][ T5984] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 91.016158][ T5984] ldm_validate_partition_table(): Disk read failed.
[ 91.022995][ T5984] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 91.032928][ T5984] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 91.041783][ T5984] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2
[ 91.060316][ T5984] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 91.068523][ T5984] Dev nbd0: unable to read RDB block 0
[ 91.074633][ T5984] nbd0: unable to read partition table
[ 91.080453][ T5984] nbd0: partition table beyond EOD, truncated
[ 91.127669][ T5984] ldm_validate_partition_table(): Disk read failed.
[ 91.142138][ T5984] Dev nbd0: unable to read RDB block 0
[ 91.148949][ T5984] nbd0: unable to read partition table
[ 91.154920][ T5984] nbd0: partition table beyond EOD, truncated
[ 91.161930][ T6109] ldm_validate_partition_table(): Disk read failed.
[ 91.172237][ T6109] Dev nbd0: unable to read RDB block 0
[ 91.181315][ T6109] nbd0: unable to read partition table
[ 91.188224][ T6109] nbd0: partition table beyond EOD, truncated
[ 91.234638][ T6109] block nbd0: Device being setup by another task
[ 91.367918][ T6117] nbd0: detected capacity change from 0 to 8
[ 92.124783][ T5128] block nbd0: Receive control failed (result -104)
[ 92.563757][ T5128] Bluetooth: hci0: command tx timeout
[ 94.643834][ T5128] Bluetooth: hci0: command tx timeout
[ 96.723580][ T5128] Bluetooth: hci0: command tx timeout
[ 121.765809][ T2308] block nbd0: Possible stuck request ffff888028012200: control (read@0,4096B). Runtime 30 seconds
[ 132.645528][ T1297] ieee802154 phy0 wpan0: encryption failed: -22
[ 132.651834][ T1297] ieee802154 phy1 wpan1: encryption failed: -22
2026/02/20 17:16:02 executed programs: 3
[ 147.324772][ T5811] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 147.332587][ T5811] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 147.340207][ T5811] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 147.348371][ T5811] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 147.356436][ T5811] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 147.475276][ T6200] chnl_net:caif_netlink_parms(): no params data found
[ 147.530310][ T6200] bridge0: port 1(bridge_slave_0) entered blocking state
[ 147.537542][ T6200] bridge0: port 1(bridge_slave_0) entered disabled state
[ 147.544926][ T6200] bridge_slave_0: entered allmulticast mode
[ 147.551674][ T6200] bridge_slave_0: entered promiscuous mode
[ 147.559613][ T6200] bridge0: port 2(bridge_slave_1) entered blocking state
[ 147.567045][ T6200] bridge0: port 2(bridge_slave_1) entered disabled state
[ 147.574286][ T6200] bridge_slave_1: entered allmulticast mode
[ 147.581097][ T6200] bridge_slave_1: entered promiscuous mode
[ 147.604966][ T6200] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 147.615869][ T6200] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 147.641732][ T6200] team0: Port device team_slave_0 added
[ 147.649547][ T6200] team0: Port device team_slave_1 added
[ 147.670768][ T6200] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 147.678042][ T6200] 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.
[ 147.704166][ T6200] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 147.715766][ T6200] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 147.722695][ T6200] 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.
[ 147.749450][ T6200] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 147.784317][ T6200] hsr_slave_0: entered promiscuous mode
[ 147.790415][ T6200] hsr_slave_1: entered promiscuous mode
[ 147.796531][ T6200] debugfs: 'hsr0' already exists in 'hsr'
[ 147.802317][ T6200] Cannot create hsr debugfs directory
[ 147.882695][ T6200] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 147.953030][ T6200] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 148.024685][ T6200] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 148.095656][ T6200] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 148.181392][ T6200] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 148.190647][ T6200] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 148.200149][ T6200] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 148.209369][ T6200] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 148.230122][ T6200] bridge0: port 2(bridge_slave_1) entered blocking state
[ 148.237243][ T6200] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 148.244709][ T6200] bridge0: port 1(bridge_slave_0) entered blocking state
[ 148.251778][ T6200] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 148.292793][ T6200] 8021q: adding VLAN 0 to HW filter on device bond0
[ 148.309380][ T84] bridge0: port 1(bridge_slave_0) entered disabled state
[ 148.316954][ T84] bridge0: port 2(bridge_slave_1) entered disabled state
[ 148.330272][ T6200] 8021q: adding VLAN 0 to HW filter on device team0
[ 148.341465][ T77] bridge0: port 1(bridge_slave_0) entered blocking state
[ 148.348603][ T77] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 148.360856][ T84] bridge0: port 2(bridge_slave_1) entered blocking state
[ 148.368002][ T84] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 148.495859][ T6200] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 148.533250][ T6200] veth0_vlan: entered promiscuous mode
[ 148.542733][ T6200] veth1_vlan: entered promiscuous mode
[ 148.565754][ T6200] veth0_macvtap: entered promiscuous mode
[ 148.574365][ T6200] veth1_macvtap: entered promiscuous mode
[ 148.589449][ T6200] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 148.602569][ T6200] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 148.616226][ T84] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 148.625852][ T84] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 148.636937][ T84] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 148.646439][ T84] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 149.443482][ T5811] Bluetooth: hci1: command tx timeout
[ 151.523511][ T5811] Bluetooth: hci1: command tx timeout
[ 151.703054][ T5177] udevd[5177]: worker [5984] /devices/virtual/block/nbd0 is taking a long time
[ 151.844969][ T2308] block nbd0: Possible stuck request ffff888028012200: control (read@0,4096B). Runtime 60 seconds
[ 153.604112][ T5811] Bluetooth: hci1: command tx timeout
[ 155.683700][ T5811] Bluetooth: hci1: command tx timeout
[ 181.924213][ T2308] block nbd0: Possible stuck request ffff888028012200: control (read@0,4096B). Runtime 90 seconds
[ 194.085901][ T1297] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.092175][ T1297] ieee802154 phy1 wpan1: encryption failed: -22
2026/02/20 17:16:59 executed programs: 4
[ 204.726446][ T5128] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 204.734791][ T5128] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 204.742477][ T5128] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 204.751097][ T5128] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 204.759410][ T5128] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 204.883545][ T6228] chnl_net:caif_netlink_parms(): no params data found
[ 204.939245][ T6228] bridge0: port 1(bridge_slave_0) entered blocking state
[ 204.946728][ T6228] bridge0: port 1(bridge_slave_0) entered disabled state
[ 204.953967][ T6228] bridge_slave_0: entered allmulticast mode
[ 204.960850][ T6228] bridge_slave_0: entered promiscuous mode
[ 204.969367][ T6228] bridge0: port 2(bridge_slave_1) entered blocking state
[ 204.977312][ T6228] bridge0: port 2(bridge_slave_1) entered disabled state
[ 204.984636][ T6228] bridge_slave_1: entered allmulticast mode
[ 204.992350][ T6228] bridge_slave_1: entered promiscuous mode
[ 205.016193][ T6228] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 205.027310][ T6228] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 205.054525][ T6228] team0: Port device team_slave_0 added
[ 205.061735][ T6228] team0: Port device team_slave_1 added
[ 205.083499][ T6228] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 205.090554][ T6228] 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.
[ 205.117521][ T6228] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 205.130572][ T6228] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 205.137885][ T6228] 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.
[ 205.163868][ T6228] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 205.197956][ T6228] hsr_slave_0: entered promiscuous mode
[ 205.205029][ T6228] hsr_slave_1: entered promiscuous mode
[ 205.211002][ T6228] debugfs: 'hsr0' already exists in 'hsr'
[ 205.216930][ T6228] Cannot create hsr debugfs directory
[ 205.300667][ T6228] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 205.392974][ T6228] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 205.442924][ T6228] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 205.504761][ T6228] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 205.613560][ T6228] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 205.622741][ T6228] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 205.634023][ T6228] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 205.643165][ T6228] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 205.665056][ T6228] bridge0: port 2(bridge_slave_1) entered blocking state
[ 205.672138][ T6228] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 205.679581][ T6228] bridge0: port 1(bridge_slave_0) entered blocking state
[ 205.686686][ T6228] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 205.728705][ T6228] 8021q: adding VLAN 0 to HW filter on device bond0
[ 205.742360][ T13] bridge0: port 1(bridge_slave_0) entered disabled state
[ 205.750590][ T13] bridge0: port 2(bridge_slave_1) entered disabled state
[ 205.763226][ T6228] 8021q: adding VLAN 0 to HW filter on device team0
[ 205.775535][ T77] bridge0: port 1(bridge_slave_0) entered blocking state
[ 205.782664][ T77] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 205.794794][ T77] bridge0: port 2(bridge_slave_1) entered blocking state
[ 205.801912][ T77] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 205.935945][ T6228] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 205.968473][ T6228] veth0_vlan: entered promiscuous mode
[ 205.978775][ T6228] veth1_vlan: entered promiscuous mode
[ 206.002276][ T6228] veth0_macvtap: entered promiscuous mode
[ 206.011461][ T6228] veth1_macvtap: entered promiscuous mode
[ 206.027296][ T6228] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 206.040477][ T6228] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 206.056139][ T77] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 206.066095][ T77] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 206.076152][ T77] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 206.085212][ T77] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 206.803593][ T5811] Bluetooth: hci2: command tx timeout
[ 208.883411][ T5811] Bluetooth: hci2: command tx timeout
[ 210.963912][ T5811] Bluetooth: hci2: command tx timeout
[ 211.524277][ T5811] Bluetooth: hci0: command 0x0406 tx timeout
[ 212.004086][ T2308] block nbd0: Possible stuck request ffff888028012200: control (read@0,4096B). Runtime 120 seconds
[ 213.043521][ T5128] Bluetooth: hci2: command tx timeout
[ 242.084630][ T2308] block nbd0: Possible stuck request ffff888028012200: control (read@0,4096B). Runtime 150 seconds
[ 251.683600][ T31] INFO: task syz-executor.0:6117 blocked for more than 143 seconds.
[ 251.691600][ T31] Not tainted syzkaller #0
[ 251.696620][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 251.705347][ T31] task:syz-executor.0 state:D stack:27824 pid:6117 tgid:6116 ppid:5997 task_flags:0x400140 flags:0x00080803
[ 251.717371][ T31] Call Trace:
[ 251.720661][ T31]
[ 251.723631][ T31] __schedule+0xfee/0x60e0
[ 251.728185][ T31] ? __lock_acquire+0x4a5/0x2630
[ 251.733134][ T31] ? __lock_acquire+0x4a5/0x2630
[ 251.738133][ T31] ? __pfx___schedule+0x10/0x10
[ 251.742988][ T31] ? find_held_lock+0x2b/0x80
[ 251.747698][ T31] ? schedule+0x2bf/0x390
[ 251.752064][ T31] schedule+0xdd/0x390
[ 251.756176][ T31] schedule_preempt_disabled+0x13/0x30
[ 251.761638][ T31] __mutex_lock+0xc9a/0x1b90
[ 251.766270][ T31] ? __lock_acquire+0x4a5/0x2630
[ 251.771213][ T31] ? bdev_release+0x15a/0x6d0
[ 251.775947][ T31] ? __pfx___mutex_lock+0x10/0x10
[ 251.780976][ T31] ? find_held_lock+0x2b/0x80
[ 251.785772][ T31] ? do_raw_spin_unlock+0x145/0x1e0
[ 251.790971][ T31] ? bdev_release+0x15a/0x6d0
[ 251.795687][ T31] bdev_release+0x15a/0x6d0
[ 251.800198][ T31] ? __pfx_blkdev_release+0x10/0x10
[ 251.805420][ T31] blkdev_release+0x15/0x20
[ 251.809929][ T31] __fput+0x3ff/0xb40
[ 251.813948][ T31] task_work_run+0x150/0x240
[ 251.818550][ T31] ? __pfx_task_work_run+0x10/0x10
[ 251.823707][ T31] get_signal+0x1bd/0x21e0
[ 251.828136][ T31] ? __pfx_get_signal+0x10/0x10
[ 251.832977][ T31] ? task_work_add+0x201/0x3b0
[ 251.837794][ T31] arch_do_signal_or_restart+0x91/0x7a0
[ 251.843441][ T31] ? __pfx_arch_do_signal_or_restart+0x10/0x10
[ 251.849786][ T31] ? selinux_file_ioctl+0x139/0x290
[ 251.855049][ T31] ? selinux_file_ioctl+0xb4/0x290
[ 251.860172][ T31] exit_to_user_mode_loop+0x86/0x4a0
[ 251.865561][ T31] do_syscall_64+0x67c/0xf80
[ 251.870136][ T31] ? clear_bhb_loop+0x40/0x90
[ 251.874863][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 251.880780][ T31] RIP: 0033:0x7f1c1066cf39
[ 251.885234][ T31] RSP: 002b:00007f1c113ca0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 251.893731][ T31] RAX: 0000000000000000 RBX: 00007f1c107abf80 RCX: 00007f1c1066cf39
[ 251.901679][ T31] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 251.909679][ T31] RBP: 00007f1c106e29d0 R08: 0000000000000000 R09: 0000000000000000
[ 251.917676][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 251.925789][ T31] R13: 000000000000000b R14: 00007f1c107abf80 R15: 00007ffed2854c08
[ 251.933989][ T31]
[ 251.937038][ T31]
[ 251.937038][ T31] Showing all locks held in the system:
[ 251.944786][ T31] 1 lock held by khungtaskd/31:
[ 251.949627][ T31] #0: ffffffff8e7e93e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x184
[ 251.959537][ T31] 1 lock held by klogd/5165:
[ 251.964153][ T31] #0: ffff8880b843b1a0 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2c/0x140
[ 251.974116][ T31] 2 locks held by getty/5564:
[ 251.978783][ T31] #0: ffff8880396860a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80
[ 251.988596][ T31] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x1500
[ 251.998744][ T31] 1 lock held by udevd/5984:
[ 252.003462][ T31] #0: ffff888027e95358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40
[ 252.012828][ T31] 1 lock held by syz-executor.0/6117:
[ 252.018299][ T31] #0: ffff888027e95358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0
[ 252.027952][ T31] 1 lock held by syz-executor.0/6219:
[ 252.033380][ T31] #0: ffff888027e95358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40
[ 252.042797][ T31] 1 lock held by syz-executor.0/6248:
[ 252.048195][ T31] #0: ffff888027e95358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40
[ 252.057565][ T31]
[ 252.059880][ T31] =============================================
[ 252.059880][ T31]
[ 252.068296][ T31] NMI backtrace for cpu 1
[ 252.068330][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 252.068353][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 252.068366][ T31] Call Trace:
[ 252.068375][ T31]
[ 252.068384][ T31] dump_stack_lvl+0x100/0x190
[ 252.068419][ T31] nmi_cpu_backtrace.cold+0x12d/0x151
[ 252.068436][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 252.068472][ T31] nmi_trigger_cpumask_backtrace+0x1d7/0x230
[ 252.068500][ T31] sys_info+0x141/0x190
[ 252.068521][ T31] watchdog+0xd25/0x1050
[ 252.068553][ T31] ? __pfx_watchdog+0x10/0x10
[ 252.068579][ T31] ? __kthread_parkme+0x18c/0x230
[ 252.068612][ T31] ? kthread+0x13a/0x450
[ 252.068629][ T31] ? __pfx_watchdog+0x10/0x10
[ 252.068655][ T31] kthread+0x370/0x450
[ 252.068682][ T31] ? __pfx_kthread+0x10/0x10
[ 252.068702][ T31] ret_from_fork+0x754/0xd80
[ 252.068722][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 252.068743][ T31] ? __switch_to+0x7b4/0x1120
[ 252.068768][ T31] ? __pfx_kthread+0x10/0x10
[ 252.068789][ T31] ret_from_fork_asm+0x1a/0x30
[ 252.068828][ T31]
[ 252.068840][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 252.189062][ C0] NMI backtrace for cpu 0
[ 252.189079][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full)
[ 252.189101][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 252.189113][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20
[ 252.189141][ C0] Code: d8 82 02 c3 cc cc cc cc 0f 1f 00 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 43 0c 1c 00 fb f4 bc 35 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
[ 252.189160][ C0] RSP: 0018:ffffffff8e407e00 EFLAGS: 00000242
[ 252.189175][ C0] RAX: 000000000011c049 RBX: ffffffff8e4975c0 RCX: ffffffff8b8f7c75
[ 252.189188][ C0] RDX: 0000000000000000 RSI: ffffffff8de71e08 RDI: ffffffff8c1aefa0
[ 252.189200][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1017086795
[ 252.189212][ C0] R10: ffff8880b8433cab R11: 0000000000000000 R12: fffffbfff1c92eb8
[ 252.189224][ C0] R13: 0000000000000000 R14: ffffffff90d96410 R15: 0000000000000000
[ 252.189236][ C0] FS: 0000000000000000(0000) GS:ffff888124348000(0000) knlGS:0000000000000000
[ 252.189254][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 252.189266][ C0] CR2: 000056425c90f168 CR3: 0000000075f27000 CR4: 00000000003526f0
[ 252.189279][ C0] Call Trace:
[ 252.189286][ C0]
[ 252.189292][ C0] default_idle+0x9/0x10
[ 252.189313][ C0] default_idle_call+0x6c/0xb0
[ 252.189335][ C0] do_idle+0x35b/0x4b0
[ 252.189359][ C0] ? __pfx_do_idle+0x10/0x10
[ 252.189386][ C0] cpu_startup_entry+0x4f/0x60
[ 252.189409][ C0] rest_init+0x251/0x260
[ 252.189432][ C0] ? __pfx_x86_late_time_init+0x10/0x10
[ 252.189464][ C0] start_kernel+0x47f/0x480
[ 252.189486][ C0] x86_64_start_reservations+0x24/0x30
[ 252.189511][ C0] x86_64_start_kernel+0x12b/0x130
[ 252.189536][ C0] common_startup_64+0x13e/0x148
[ 252.189564][ C0]
[ 252.203423][ T31] Kernel panic - not syncing: hung_task: blocked tasks
[ 252.203444][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 252.203478][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 252.203491][ T31] Call Trace:
[ 252.203499][ T31]
[ 252.203508][ T31] dump_stack_lvl+0x100/0x190
[ 252.203545][ T31] vpanic+0x552/0x970
[ 252.203566][ T31] ? __pfx_vpanic+0x10/0x10
[ 252.203589][ T31] ? rcu_is_watching+0x12/0xc0
[ 252.203618][ T31] panic+0xd1/0xe0
[ 252.203638][ T31] ? __pfx_panic+0x10/0x10
[ 252.203662][ T31] ? nmi_trigger_cpumask_backtrace+0x1b5/0x230
[ 252.203692][ T31] ? nmi_trigger_cpumask_backtrace+0x1f6/0x230
[ 252.203760][ T31] ? nmi_trigger_cpumask_backtrace+0x200/0x230
[ 252.203789][ T31] ? watchdog.cold+0x198/0x1ca
[ 252.203812][ T31] ? watchdog+0xd35/0x1050
[ 252.203888][ T31] watchdog.cold+0x1a9/0x1ca
[ 252.203922][ T31] ? __pfx_watchdog+0x10/0x10
[ 252.203951][ T31] ? __kthread_parkme+0x18c/0x230
[ 252.203983][ T31] ? kthread+0x13a/0x450
[ 252.204002][ T31] ? __pfx_watchdog+0x10/0x10
[ 252.204029][ T31] kthread+0x370/0x450
[ 252.204047][ T31] ? __pfx_kthread+0x10/0x10
[ 252.204069][ T31] ret_from_fork+0x754/0xd80
[ 252.204093][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 252.204117][ T31] ? __switch_to+0x7b4/0x1120
[ 252.204144][ T31] ? __pfx_kthread+0x10/0x10
[ 252.204170][ T31] ret_from_fork_asm+0x1a/0x30
[ 252.204215][ T31]
[ 252.512669][ T31] Kernel Offset: disabled
[ 252.516968][ T31] Rebooting in 86400 seconds..