Warning: Permanently added '10.128.0.234' (ED25519) to the list of known hosts. 2025/12/18 19:04:07 ignoring optional flag "type"="gce" 2025/12/18 19:04:07 parsed 1 programs 2025/12/18 19:04:07 executed programs: 0 [ 90.384989][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 90.392924][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 90.400563][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 90.409181][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 90.416835][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 90.530226][ T6012] chnl_net:caif_netlink_parms(): no params data found [ 90.584068][ T6012] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.591211][ T6012] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.598405][ T6012] bridge_slave_0: entered allmulticast mode [ 90.605184][ T6012] bridge_slave_0: entered promiscuous mode [ 90.613040][ T6012] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.620274][ T6012] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.627390][ T6012] bridge_slave_1: entered allmulticast mode [ 90.634554][ T6012] bridge_slave_1: entered promiscuous mode [ 90.659031][ T6012] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 90.669871][ T6012] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 90.695480][ T6012] team0: Port device team_slave_0 added [ 90.702848][ T6012] team0: Port device team_slave_1 added [ 90.724360][ T6012] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 90.731573][ T6012] 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. [ 90.757655][ T6012] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 90.769475][ T6012] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 90.776416][ T6012] 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. [ 90.802516][ T6012] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 90.838170][ T6012] hsr_slave_0: entered promiscuous mode [ 90.844291][ T6012] hsr_slave_1: entered promiscuous mode [ 91.270209][ T6012] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 91.283795][ T6012] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 91.294117][ T6012] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 91.305744][ T6012] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 91.352746][ T6012] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.359945][ T6012] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.367388][ T6012] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.374562][ T6012] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.441461][ T6012] 8021q: adding VLAN 0 to HW filter on device bond0 [ 91.464203][ T34] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.473455][ T34] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.490444][ T6012] 8021q: adding VLAN 0 to HW filter on device team0 [ 91.509027][ T50] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.516130][ T50] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.533240][ T34] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.540385][ T34] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.765613][ T6012] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 91.813306][ T6012] veth0_vlan: entered promiscuous mode [ 91.827553][ T6012] veth1_vlan: entered promiscuous mode [ 91.867716][ T6012] veth0_macvtap: entered promiscuous mode [ 91.878512][ T6012] veth1_macvtap: entered promiscuous mode [ 91.900907][ T6012] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 91.921964][ T6012] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 91.937564][ T34] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.959071][ T34] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.967804][ T34] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.979141][ T34] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.189332][ T6079] nbd0: detected capacity change from 0 to 128 [ 92.459002][ T52] Bluetooth: hci0: command tx timeout [ 92.904000][ T5141] block nbd0: Receive control failed (result -104) [ 92.911058][ T6073] block nbd0: shutting down sockets [ 92.948795][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 92.958484][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 92.966368][ T5997] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 92.977049][ T5997] Buffer I/O error on dev nbd0, logical block 0, async page read [ 92.988280][ T5997] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 93.000710][ T5997] Buffer I/O error on dev nbd0, logical block 0, async page read [ 93.012773][ T5997] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 93.023661][ T5997] Buffer I/O error on dev nbd0, logical block 0, async page read [ 93.031630][ T5997] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 93.041232][ T5997] Buffer I/O error on dev nbd0, logical block 0, async page read [ 93.049164][ T5997] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 93.059108][ T5997] Buffer I/O error on dev nbd0, logical block 0, async page read [ 93.067018][ T5997] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 93.077791][ T5997] Buffer I/O error on dev nbd0, logical block 0, async page read [ 93.087686][ T5997] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 93.097614][ T5997] Buffer I/O error on dev nbd0, logical block 0, async page read [ 93.115103][ T5997] ldm_validate_partition_table(): Disk read failed. [ 93.122316][ T5997] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 93.132596][ T5997] Buffer I/O error on dev nbd0, logical block 0, async page read [ 93.140748][ T5997] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 93.151451][ T5997] Buffer I/O error on dev nbd0, logical block 0, async page read [ 93.159967][ T5997] Dev nbd0: unable to read RDB block 0 [ 93.171634][ T5997] nbd0: unable to read partition table [ 93.201448][ T5997] ldm_validate_partition_table(): Disk read failed. [ 93.228611][ T5997] Dev nbd0: unable to read RDB block 0 [ 93.234350][ T5997] nbd0: unable to read partition table [ 93.257541][ T6131] ldm_validate_partition_table(): Disk read failed. [ 93.278395][ T6131] Dev nbd0: unable to read RDB block 0 [ 93.284461][ T6131] nbd0: unable to read partition table [ 93.329454][ T6131] block nbd0: Device being setup by another task [ 93.575395][ T6144] nbd0: detected capacity change from 0 to 128 [ 94.280191][ T5141] block nbd0: Receive control failed (result -104) [ 94.286751][ T6140] block nbd0: shutting down sockets [ 94.308865][ T5997] ldm_validate_partition_table(): Disk read failed. [ 94.315656][ T5997] Dev nbd0: unable to read RDB block 0 [ 94.321541][ T5997] nbd0: unable to read partition table 2025/12/18 19:04:12 executed programs: 3 [ 94.333581][ T5997] ldm_validate_partition_table(): Disk read failed. [ 94.341261][ T5997] Dev nbd0: unable to read RDB block 0 [ 94.352781][ T5997] nbd0: unable to read partition table [ 94.539575][ T52] Bluetooth: hci0: command tx timeout [ 94.545888][ T6197] nbd0: detected capacity change from 0 to 128 [ 95.234676][ T5141] block nbd0: Receive control failed (result -104) [ 95.235379][ T6190] block nbd0: shutting down sockets [ 95.247009][ T5997] ldm_validate_partition_table(): Disk read failed. [ 95.253963][ T5997] Dev nbd0: unable to read RDB block 0 [ 95.259897][ T5997] nbd0: unable to read partition table [ 95.268932][ T5997] ldm_validate_partition_table(): Disk read failed. [ 95.275644][ T5997] Dev nbd0: unable to read RDB block 0 [ 95.281708][ T5997] nbd0: unable to read partition table [ 95.427918][ T6214] nbd0: detected capacity change from 0 to 128 [ 96.139696][ T5141] block nbd0: Receive control failed (result -104) [ 96.618269][ T5141] Bluetooth: hci0: command tx timeout [ 98.698502][ T5141] Bluetooth: hci0: command tx timeout [ 125.748112][ T25] block nbd0: Possible stuck request ffff88802635e600: control (read@0,4096B). Runtime 30 seconds [ 132.780547][ T1299] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.786921][ T1299] ieee802154 phy1 wpan1: encryption failed: -22 2025/12/18 19:05:08 executed programs: 5 [ 152.384525][ T52] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 152.392444][ T52] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 152.400144][ T52] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 152.407923][ T52] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 152.415522][ T52] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 152.532710][ T6222] chnl_net:caif_netlink_parms(): no params data found [ 152.587441][ T6222] bridge0: port 1(bridge_slave_0) entered blocking state [ 152.595306][ T6222] bridge0: port 1(bridge_slave_0) entered disabled state [ 152.602546][ T6222] bridge_slave_0: entered allmulticast mode [ 152.609733][ T6222] bridge_slave_0: entered promiscuous mode [ 152.617100][ T6222] bridge0: port 2(bridge_slave_1) entered blocking state [ 152.624506][ T6222] bridge0: port 2(bridge_slave_1) entered disabled state [ 152.631943][ T6222] bridge_slave_1: entered allmulticast mode [ 152.639002][ T6222] bridge_slave_1: entered promiscuous mode [ 152.664290][ T6222] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 152.675768][ T6222] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 152.701262][ T6222] team0: Port device team_slave_0 added [ 152.709662][ T6222] team0: Port device team_slave_1 added [ 152.730885][ T6222] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 152.737872][ T6222] 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. [ 152.764043][ T6222] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 152.776190][ T6222] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 152.783244][ T6222] 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. [ 152.809207][ T6222] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 152.843065][ T6222] hsr_slave_0: entered promiscuous mode [ 152.849281][ T6222] hsr_slave_1: entered promiscuous mode [ 152.855293][ T6222] debugfs: 'hsr0' already exists in 'hsr' [ 152.861365][ T6222] Cannot create hsr debugfs directory [ 152.943544][ T6222] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 153.017974][ T6222] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 153.077476][ T6222] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 153.169561][ T6222] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 153.294104][ T6222] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 153.304219][ T6222] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 153.313637][ T6222] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 153.322930][ T6222] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 153.343817][ T6222] bridge0: port 2(bridge_slave_1) entered blocking state [ 153.350925][ T6222] bridge0: port 2(bridge_slave_1) entered forwarding state [ 153.358365][ T6222] bridge0: port 1(bridge_slave_0) entered blocking state [ 153.365554][ T6222] bridge0: port 1(bridge_slave_0) entered forwarding state [ 153.405998][ T6222] 8021q: adding VLAN 0 to HW filter on device bond0 [ 153.421651][ T3729] bridge0: port 1(bridge_slave_0) entered disabled state [ 153.430084][ T3729] bridge0: port 2(bridge_slave_1) entered disabled state [ 153.444002][ T6222] 8021q: adding VLAN 0 to HW filter on device team0 [ 153.455923][ T3731] bridge0: port 1(bridge_slave_0) entered blocking state [ 153.463064][ T3731] bridge0: port 1(bridge_slave_0) entered forwarding state [ 153.474955][ T3729] bridge0: port 2(bridge_slave_1) entered blocking state [ 153.482054][ T3729] bridge0: port 2(bridge_slave_1) entered forwarding state [ 153.615132][ T6222] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 153.647499][ T6222] veth0_vlan: entered promiscuous mode [ 153.657768][ T6222] veth1_vlan: entered promiscuous mode [ 153.680726][ T6222] veth0_macvtap: entered promiscuous mode [ 153.689214][ T6222] veth1_macvtap: entered promiscuous mode [ 153.704105][ T6222] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 153.717315][ T6222] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 153.729946][ T3731] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 153.739367][ T3731] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 153.749247][ T3731] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 153.759230][ T3731] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 154.458489][ T5141] Bluetooth: hci1: command tx timeout [ 155.819205][ T11] block nbd0: Possible stuck request ffff88802635e600: control (read@0,4096B). Runtime 60 seconds [ 156.537955][ T5141] Bluetooth: hci1: command tx timeout [ 156.814753][ T5191] udevd[5191]: worker [5997] /devices/virtual/block/nbd0 is taking a long time [ 158.618315][ T5141] Bluetooth: hci1: command tx timeout [ 160.698511][ T5141] Bluetooth: hci1: command tx timeout [ 185.908385][ T11] block nbd0: Possible stuck request ffff88802635e600: control (read@0,4096B). Runtime 90 seconds [ 194.220477][ T1299] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.226862][ T1299] ieee802154 phy1 wpan1: encryption failed: -22 2025/12/18 19:06:06 executed programs: 6 [ 210.863647][ T52] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 210.871794][ T52] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 210.879471][ T52] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 210.887306][ T52] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 210.895378][ T52] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 211.013699][ T6250] chnl_net:caif_netlink_parms(): no params data found [ 211.069457][ T6250] bridge0: port 1(bridge_slave_0) entered blocking state [ 211.076581][ T6250] bridge0: port 1(bridge_slave_0) entered disabled state [ 211.084268][ T6250] bridge_slave_0: entered allmulticast mode [ 211.091126][ T6250] bridge_slave_0: entered promiscuous mode [ 211.098636][ T6250] bridge0: port 2(bridge_slave_1) entered blocking state [ 211.105769][ T6250] bridge0: port 2(bridge_slave_1) entered disabled state [ 211.113301][ T6250] bridge_slave_1: entered allmulticast mode [ 211.120172][ T6250] bridge_slave_1: entered promiscuous mode [ 211.144752][ T6250] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 211.155914][ T6250] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 211.183856][ T6250] team0: Port device team_slave_0 added [ 211.191172][ T6250] team0: Port device team_slave_1 added [ 211.213403][ T6250] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 211.220394][ T6250] 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. [ 211.246790][ T6250] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 211.258544][ T6250] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 211.265478][ T6250] 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. [ 211.291448][ T6250] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 211.326168][ T6250] hsr_slave_0: entered promiscuous mode [ 211.332439][ T6250] hsr_slave_1: entered promiscuous mode [ 211.338586][ T6250] debugfs: 'hsr0' already exists in 'hsr' [ 211.344306][ T6250] Cannot create hsr debugfs directory [ 211.426304][ T6250] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 211.508618][ T6250] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 211.567508][ T6250] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 211.639266][ T6250] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 211.753968][ T6250] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 211.763320][ T6250] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 211.774145][ T6250] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 211.783771][ T6250] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 211.804643][ T6250] bridge0: port 2(bridge_slave_1) entered blocking state [ 211.811777][ T6250] bridge0: port 2(bridge_slave_1) entered forwarding state [ 211.819312][ T6250] bridge0: port 1(bridge_slave_0) entered blocking state [ 211.826437][ T6250] bridge0: port 1(bridge_slave_0) entered forwarding state [ 211.867673][ T6250] 8021q: adding VLAN 0 to HW filter on device bond0 [ 211.882333][ T3729] bridge0: port 1(bridge_slave_0) entered disabled state [ 211.890117][ T3729] bridge0: port 2(bridge_slave_1) entered disabled state [ 211.905829][ T6250] 8021q: adding VLAN 0 to HW filter on device team0 [ 211.918478][ T3731] bridge0: port 1(bridge_slave_0) entered blocking state [ 211.925618][ T3731] bridge0: port 1(bridge_slave_0) entered forwarding state [ 211.937468][ T3729] bridge0: port 2(bridge_slave_1) entered blocking state [ 211.944644][ T3729] bridge0: port 2(bridge_slave_1) entered forwarding state [ 212.078228][ T6250] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 212.112110][ T6250] veth0_vlan: entered promiscuous mode [ 212.122546][ T6250] veth1_vlan: entered promiscuous mode [ 212.146202][ T6250] veth0_macvtap: entered promiscuous mode [ 212.154749][ T6250] veth1_macvtap: entered promiscuous mode [ 212.170660][ T6250] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 212.183821][ T6250] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 212.196363][ T50] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 212.206042][ T50] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 212.219927][ T50] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 212.228903][ T50] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 212.938046][ T5141] Bluetooth: hci2: command tx timeout [ 215.017969][ T52] Bluetooth: hci2: command tx timeout [ 215.978884][ T11] block nbd0: Possible stuck request ffff88802635e600: control (read@0,4096B). Runtime 120 seconds [ 216.779343][ T52] Bluetooth: hci0: command 0x0406 tx timeout [ 217.098534][ T5141] Bluetooth: hci2: command tx timeout [ 219.178606][ T5141] Bluetooth: hci2: command tx timeout [ 246.058467][ T11] block nbd0: Possible stuck request ffff88802635e600: control (read@0,4096B). Runtime 150 seconds [ 251.178170][ T31] INFO: task syz-executor.0:6213 blocked for more than 143 seconds. [ 251.186267][ T31] Not tainted syzkaller #0 [ 251.191285][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 251.200041][ T31] task:syz-executor.0 state:D stack:27256 pid:6213 tgid:6212 ppid:6012 task_flags:0x400140 flags:0x00080803 [ 251.212026][ T31] Call Trace: [ 251.215295][ T31] [ 251.218766][ T31] ? __schedule+0x10b9/0x6150 [ 251.223535][ T31] __schedule+0x1139/0x6150 [ 251.228109][ T31] ? __lock_acquire+0x436/0x2890 [ 251.233064][ T31] ? __pfx___schedule+0x10/0x10 [ 251.237942][ T31] ? find_held_lock+0x2b/0x80 [ 251.242625][ T31] ? schedule+0x2d7/0x3a0 [ 251.246949][ T31] schedule+0xe7/0x3a0 [ 251.251099][ T31] schedule_preempt_disabled+0x13/0x30 [ 251.256566][ T31] __mutex_lock+0xc69/0x1ca0 [ 251.261308][ T31] ? bdev_release+0x15a/0x6d0 [ 251.266012][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 251.271110][ T31] ? find_held_lock+0x2b/0x80 [ 251.275801][ T31] ? do_raw_spin_unlock+0x172/0x230 [ 251.281048][ T31] ? bdev_release+0x15a/0x6d0 [ 251.285725][ T31] bdev_release+0x15a/0x6d0 [ 251.290349][ T31] ? __pfx_blkdev_release+0x10/0x10 [ 251.295752][ T31] blkdev_release+0x15/0x20 [ 251.300300][ T31] __fput+0x402/0xb70 [ 251.304293][ T31] task_work_run+0x150/0x240 [ 251.309014][ T31] ? __pfx_task_work_run+0x10/0x10 [ 251.314151][ T31] get_signal+0x1d0/0x26d0 [ 251.318608][ T31] ? __pfx_get_signal+0x10/0x10 [ 251.323460][ T31] ? kick_process+0xf6/0x1b0 [ 251.328133][ T31] ? task_work_add+0x1ee/0x380 [ 251.332914][ T31] arch_do_signal_or_restart+0x8f/0x7e0 [ 251.338577][ T31] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 251.344742][ T31] ? selinux_file_ioctl+0x180/0x270 [ 251.350083][ T31] exit_to_user_mode_loop+0x8c/0x540 [ 251.355493][ T31] do_syscall_64+0x4ee/0xf80 [ 251.360163][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 251.366060][ T31] RIP: 0033:0x7f408067ad39 [ 251.370564][ T31] RSP: 002b:00007f40818110c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 251.379022][ T31] RAX: 0000000000000000 RBX: 00007f408079bf80 RCX: 00007f408067ad39 [ 251.386986][ T31] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 251.395031][ T31] RBP: 00007f40806d7567 R08: 0000000000000000 R09: 0000000000000000 [ 251.403049][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 251.411071][ T31] R13: 000000000000000b R14: 00007f408079bf80 R15: 00007ffc24573e38 [ 251.419143][ T31] [ 251.422164][ T31] [ 251.422164][ T31] Showing all locks held in the system: [ 251.429918][ T31] 1 lock held by khungtaskd/31: [ 251.434759][ T31] #0: ffffffff8e3c9620 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 [ 251.444786][ T31] 1 lock held by klogd/5180: [ 251.449413][ T31] #0: ffff8880b843ac98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 [ 251.459402][ T31] 2 locks held by getty/5576: [ 251.464074][ T31] #0: ffff88814de3d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 251.473952][ T31] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x1510 [ 251.484193][ T31] 1 lock held by udevd/5997: [ 251.488851][ T31] #0: ffff888026195358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40 [ 251.498573][ T31] 1 lock held by syz-executor.0/6213: [ 251.504090][ T31] #0: ffff888026195358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 [ 251.513856][ T31] 1 lock held by syz-executor.0/6241: [ 251.519243][ T31] #0: ffff888026195358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40 [ 251.528652][ T31] 1 lock held by syz-executor.0/6271: [ 251.534008][ T31] #0: ffff888026195358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40 [ 251.543362][ T31] [ 251.545937][ T31] ============================================= [ 251.545937][ T31] [ 251.554374][ T31] NMI backtrace for cpu 1 [ 251.554406][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 251.554423][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 251.554433][ T31] Call Trace: [ 251.554438][ T31] [ 251.554445][ T31] dump_stack_lvl+0x116/0x1f0 [ 251.554471][ T31] nmi_cpu_backtrace+0x27b/0x390 [ 251.554497][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 251.554515][ T31] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 251.554540][ T31] sys_info+0x133/0x180 [ 251.554561][ T31] watchdog+0xe66/0x1180 [ 251.554586][ T31] ? rcu_is_watching+0x12/0xc0 [ 251.554604][ T31] ? __pfx_watchdog+0x10/0x10 [ 251.554622][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 251.554645][ T31] ? __kthread_parkme+0x19e/0x250 [ 251.554665][ T31] ? __pfx_watchdog+0x10/0x10 [ 251.554684][ T31] kthread+0x3c5/0x780 [ 251.554705][ T31] ? __pfx_kthread+0x10/0x10 [ 251.554726][ T31] ? rcu_is_watching+0x12/0xc0 [ 251.554743][ T31] ? __pfx_kthread+0x10/0x10 [ 251.554765][ T31] ret_from_fork+0x983/0xb10 [ 251.554786][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 251.554808][ T31] ? __switch_to+0x7af/0x10d0 [ 251.554831][ T31] ? __pfx_kthread+0x10/0x10 [ 251.554853][ T31] ret_from_fork_asm+0x1a/0x30 [ 251.554891][ T31] [ 251.554896][ T31] Sending NMI from CPU 1 to CPUs 0: [ 251.689243][ C0] NMI backtrace for cpu 0 [ 251.689259][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 251.689279][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 251.689289][ C0] RIP: 0010:trace_sched_wakeup+0x0/0x110 [ 251.689320][ C0] Code: 65 48 8b 3d 4a 60 28 12 e9 4d fe ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <55> 53 66 90 65 8b 1d 39 60 28 12 83 fb 07 0f 87 d7 00 00 00 89 db [ 251.689336][ C0] RSP: 0018:ffffc900000079c0 EFLAGS: 00000046 [ 251.689350][ C0] RAX: 0000000000000003 RBX: ffffc90000007a68 RCX: 0000000000000001 [ 251.689360][ C0] RDX: 0000000000000000 RSI: ffffffff8daa7b4b RDI: ffff88801daea4c0 [ 251.689371][ C0] RBP: ffffffff9088e074 R08: 0000000000000000 R09: ffffed1003ed2000 [ 251.689382][ C0] R10: ffff88801f690007 R11: 0000000000000001 R12: 0000000000000008 [ 251.689392][ C0] R13: ffff88801daea528 R14: ffff88801daea4c0 R15: ffff8880b853ac80 [ 251.689403][ C0] FS: 0000000000000000(0000) GS:ffff8881248f6000(0000) knlGS:0000000000000000 [ 251.689419][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 251.689430][ C0] CR2: 000055dff06ff660 CR3: 000000000e184000 CR4: 00000000003526f0 [ 251.689440][ C0] Call Trace: [ 251.689447][ C0] [ 251.689453][ C0] ttwu_do_activate+0x1fb/0xab0 [ 251.689471][ C0] ? update_rq_clock+0x269/0xc70 [ 251.689495][ C0] try_to_wake_up+0x7a1/0x1860 [ 251.689519][ C0] ? __pfx_try_to_wake_up+0x10/0x10 [ 251.689544][ C0] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 251.689570][ C0] cpu_stop_queue_work+0x26e/0x340 [ 251.689595][ C0] sched_balance_rq+0x231d/0x3220 [ 251.689619][ C0] ? lock_acquire+0x179/0x330 [ 251.689646][ C0] ? __pfx_sched_balance_rq+0x10/0x10 [ 251.689669][ C0] ? kvm_sched_clock_read+0x11/0x20 [ 251.689688][ C0] ? sched_clock+0x38/0x60 [ 251.689710][ C0] sched_balance_domains+0x6a5/0xdd0 [ 251.689729][ C0] ? __pfx_sched_balance_domains+0x10/0x10 [ 251.689745][ C0] ? find_held_lock+0x2b/0x80 [ 251.689768][ C0] ? _nohz_idle_balance.isra.0+0x44e/0x840 [ 251.689786][ C0] _nohz_idle_balance.isra.0+0x5fc/0x840 [ 251.689805][ C0] ? __pfx__nohz_idle_balance.isra.0+0x10/0x10 [ 251.689825][ C0] handle_softirqs+0x219/0x950 [ 251.689850][ C0] ? rcu_is_watching+0x12/0xc0 [ 251.689866][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 251.689891][ C0] __irq_exit_rcu+0x109/0x170 [ 251.689913][ C0] irq_exit_rcu+0x9/0x30 [ 251.689935][ C0] sysvec_call_function_single+0xa4/0xc0 [ 251.689954][ C0] [ 251.689960][ C0] [ 251.689965][ C0] asm_sysvec_call_function_single+0x1a/0x20 [ 251.689984][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 251.690004][ C0] Code: c6 5f 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 13 59 12 00 fb f4 cc 35 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 251.690019][ C0] RSP: 0018:ffffffff8e007df8 EFLAGS: 000002c6 [ 251.690031][ C0] RAX: 0000000000114f27 RBX: 0000000000000000 RCX: ffffffff8b7806d9 [ 251.690041][ C0] RDX: 0000000000000000 RSI: ffffffff8dacdbe3 RDI: ffffffff8bf2b380 [ 251.690052][ C0] RBP: fffffbfff1c12f68 R08: 0000000000000001 R09: ffffed101708673d [ 251.690062][ C0] R10: ffff8880b84339eb R11: ffffffff8e098670 R12: 0000000000000000 [ 251.690072][ C0] R13: ffffffff8e097b40 R14: ffffffff9088afd0 R15: 0000000000000000 [ 251.690087][ C0] ? ct_kernel_exit+0x139/0x190 [ 251.690110][ C0] default_idle+0x13/0x20 [ 251.690131][ C0] default_idle_call+0x6c/0xb0 [ 251.690153][ C0] do_idle+0x38d/0x510 [ 251.690177][ C0] ? __pfx_do_idle+0x10/0x10 [ 251.690202][ C0] cpu_startup_entry+0x4f/0x60 [ 251.690226][ C0] rest_init+0x16b/0x2b0 [ 251.690248][ C0] ? acpi_subsystem_init+0x133/0x180 [ 251.690268][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 251.690288][ C0] start_kernel+0x3ef/0x4d0 [ 251.690312][ C0] x86_64_start_reservations+0x18/0x30 [ 251.690337][ C0] x86_64_start_kernel+0x130/0x190 [ 251.690361][ C0] common_startup_64+0x13e/0x148 [ 251.690390][ C0] [ 251.747938][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 251.747956][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 251.747978][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 251.747988][ T31] Call Trace: [ 251.747997][ T31] [ 251.748006][ T31] dump_stack_lvl+0x3d/0x1f0 [ 251.748033][ T31] vpanic+0x640/0x6f0 [ 251.748055][ T31] panic+0xca/0xd0 [ 251.748074][ T31] ? __pfx_panic+0x10/0x10 [ 251.748091][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 251.748114][ T31] ? nmi_trigger_cpumask_backtrace+0x1b1/0x300 [ 251.748141][ T31] ? nmi_trigger_cpumask_backtrace+0x2be/0x300 [ 251.748169][ T31] ? watchdog+0xe83/0x1180 [ 251.748188][ T31] ? watchdog+0xe76/0x1180 [ 251.748208][ T31] watchdog+0xe94/0x1180 [ 251.748233][ T31] ? rcu_is_watching+0x12/0xc0 [ 251.748250][ T31] ? __pfx_watchdog+0x10/0x10 [ 251.748268][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 251.748291][ T31] ? __kthread_parkme+0x19e/0x250 [ 251.748310][ T31] ? __pfx_watchdog+0x10/0x10 [ 251.748329][ T31] kthread+0x3c5/0x780 [ 251.748350][ T31] ? __pfx_kthread+0x10/0x10 [ 251.748372][ T31] ? rcu_is_watching+0x12/0xc0 [ 251.748389][ T31] ? __pfx_kthread+0x10/0x10 [ 251.748410][ T31] ret_from_fork+0x983/0xb10 [ 251.748431][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 251.748453][ T31] ? __switch_to+0x7af/0x10d0 [ 251.748475][ T31] ? __pfx_kthread+0x10/0x10 [ 251.748497][ T31] ret_from_fork_asm+0x1a/0x30 [ 251.748540][ T31] [ 252.228824][ T31] Kernel Offset: disabled [ 252.233129][ T31] Rebooting in 86400 seconds..