Warning: Permanently added '10.128.0.12' (ED25519) to the list of known hosts. 2025/05/15 18:38:34 ignoring optional flag "sandboxArg"="0" 2025/05/15 18:38:34 ignoring optional flag "type"="gce" 2025/05/15 18:38:34 parsed 1 programs 2025/05/15 18:38:34 executed programs: 0 [ 99.183446][ T55] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 99.192744][ T55] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 99.200847][ T55] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 99.209186][ T55] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 99.218074][ T55] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 99.376507][ T6140] chnl_net:caif_netlink_parms(): no params data found [ 99.443298][ T6140] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.450589][ T6140] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.457864][ T6140] bridge_slave_0: entered allmulticast mode [ 99.465080][ T6140] bridge_slave_0: entered promiscuous mode [ 99.473179][ T6140] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.480454][ T6140] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.487596][ T6140] bridge_slave_1: entered allmulticast mode [ 99.494789][ T6140] bridge_slave_1: entered promiscuous mode [ 99.523040][ T6140] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 99.534452][ T6140] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 99.577070][ T6140] team0: Port device team_slave_0 added [ 99.585371][ T6140] team0: Port device team_slave_1 added [ 99.612875][ T6140] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 99.620395][ T6140] 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. [ 99.646416][ T6140] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 99.659693][ T6140] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 99.666661][ T6140] 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. [ 99.692917][ T6140] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 99.734238][ T6140] hsr_slave_0: entered promiscuous mode [ 99.740764][ T6140] hsr_slave_1: entered promiscuous mode [ 100.352147][ T6140] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 100.365977][ T6140] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 100.377894][ T6140] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 100.393145][ T6140] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 100.505613][ T6140] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.535161][ T6140] 8021q: adding VLAN 0 to HW filter on device team0 [ 100.551059][ T53] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.558240][ T53] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.584982][ T53] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.592198][ T53] bridge0: port 2(bridge_slave_1) entered forwarding state [ 100.855030][ T6140] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 100.909380][ T6140] veth0_vlan: entered promiscuous mode [ 100.925499][ T6140] veth1_vlan: entered promiscuous mode [ 100.964302][ T6140] veth0_macvtap: entered promiscuous mode [ 100.975054][ T6140] veth1_macvtap: entered promiscuous mode [ 101.014989][ T6140] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 101.037016][ T6140] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 101.054025][ T6140] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.064285][ T6140] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.074235][ T6140] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.084558][ T6140] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.164413][ T1151] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.178009][ T1151] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.211786][ T53] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.220260][ T53] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.300322][ T5130] Bluetooth: hci0: command tx timeout [ 101.370122][ T6197] nbd0: detected capacity change from 0 to 10 [ 102.105619][ T55] block nbd0: Receive control failed (result -104) [ 102.112736][ T6195] block nbd0: shutting down sockets [ 102.125987][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 102.135297][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 102.143574][ T6076] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 102.154358][ T6076] Buffer I/O error on dev nbd0, logical block 0, async page read [ 102.168055][ T6076] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 102.178093][ T6076] Buffer I/O error on dev nbd0, logical block 0, async page read [ 102.187739][ T6076] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 102.197996][ T6076] Buffer I/O error on dev nbd0, logical block 0, async page read [ 102.207003][ T6076] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 102.217287][ T6076] Buffer I/O error on dev nbd0, logical block 0, async page read [ 102.225965][ T6076] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 102.236934][ T6076] Buffer I/O error on dev nbd0, logical block 0, async page read [ 102.245502][ T6076] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 102.255783][ T6076] Buffer I/O error on dev nbd0, logical block 0, async page read [ 102.271734][ T6076] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 102.281306][ T6076] Buffer I/O error on dev nbd0, logical block 0, async page read [ 102.289254][ T6076] ldm_validate_partition_table(): Disk read failed. [ 102.297578][ T6076] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 102.307836][ T6076] Buffer I/O error on dev nbd0, logical block 0, async page read [ 102.317516][ T6076] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 102.326984][ T6076] Buffer I/O error on dev nbd0, logical block 0, async page read [ 102.336748][ T6076] Dev nbd0: unable to read RDB block 0 [ 102.347586][ T6076] nbd0: unable to read partition table [ 102.354646][ T6076] nbd0: partition table beyond EOD, truncated [ 102.376223][ T6076] ldm_validate_partition_table(): Disk read failed. [ 102.394825][ T6076] Dev nbd0: unable to read RDB block 0 [ 102.412090][ T6076] nbd0: unable to read partition table [ 102.429986][ T6076] nbd0: partition table beyond EOD, truncated [ 102.438663][ T6237] ldm_validate_partition_table(): Disk read failed. [ 102.453567][ T6237] Dev nbd0: unable to read RDB block 0 [ 102.461399][ T6237] nbd0: unable to read partition table [ 102.467212][ T6237] nbd0: partition table beyond EOD, truncated [ 102.733808][ T6250] nbd0: detected capacity change from 0 to 10 [ 103.386709][ T55] block nbd0: Receive control failed (result -104) [ 103.393850][ T5130] Bluetooth: hci0: command tx timeout [ 105.459703][ T55] Bluetooth: hci0: command tx timeout [ 107.539934][ T55] Bluetooth: hci0: command tx timeout [ 132.906445][ T1300] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.913068][ T1300] ieee802154 phy1 wpan1: encryption failed: -22 [ 132.913091][ T41] block nbd0: Possible stuck request ffff888024fd5240: control (read@0,4096B). Runtime 30 seconds 2025/05/15 18:39:33 executed programs: 3 [ 158.580806][ T5130] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 158.588710][ T5130] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 158.596906][ T5130] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 158.604929][ T5130] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 158.612732][ T5130] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 158.761462][ T6509] chnl_net:caif_netlink_parms(): no params data found [ 158.828844][ T6509] bridge0: port 1(bridge_slave_0) entered blocking state [ 158.836121][ T6509] bridge0: port 1(bridge_slave_0) entered disabled state [ 158.843404][ T6509] bridge_slave_0: entered allmulticast mode [ 158.850649][ T6509] bridge_slave_0: entered promiscuous mode [ 158.858621][ T6509] bridge0: port 2(bridge_slave_1) entered blocking state [ 158.866040][ T6509] bridge0: port 2(bridge_slave_1) entered disabled state [ 158.873369][ T6509] bridge_slave_1: entered allmulticast mode [ 158.881301][ T6509] bridge_slave_1: entered promiscuous mode [ 158.910243][ T6509] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 158.923970][ T6509] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 158.956749][ T6509] team0: Port device team_slave_0 added [ 158.964670][ T6509] team0: Port device team_slave_1 added [ 158.993197][ T6509] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 159.000218][ T6509] 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. [ 159.027008][ T6509] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 159.039729][ T6509] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 159.046867][ T6509] 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. [ 159.073467][ T6509] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 159.114401][ T6509] hsr_slave_0: entered promiscuous mode [ 159.121176][ T6509] hsr_slave_1: entered promiscuous mode [ 159.127310][ T6509] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 159.135178][ T6509] Cannot create hsr debugfs directory [ 159.236923][ T6509] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 159.291439][ T6509] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 159.380117][ T6509] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 159.432082][ T6509] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 159.562395][ T6509] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 159.573071][ T6509] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 159.587712][ T6509] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 159.598687][ T6509] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 159.622167][ T6509] bridge0: port 2(bridge_slave_1) entered blocking state [ 159.629331][ T6509] bridge0: port 2(bridge_slave_1) entered forwarding state [ 159.636964][ T6509] bridge0: port 1(bridge_slave_0) entered blocking state [ 159.644096][ T6509] bridge0: port 1(bridge_slave_0) entered forwarding state [ 159.695882][ T6509] 8021q: adding VLAN 0 to HW filter on device bond0 [ 159.713896][ T1151] bridge0: port 1(bridge_slave_0) entered disabled state [ 159.721971][ T1151] bridge0: port 2(bridge_slave_1) entered disabled state [ 159.738444][ T6509] 8021q: adding VLAN 0 to HW filter on device team0 [ 159.750353][ T53] bridge0: port 1(bridge_slave_0) entered blocking state [ 159.757526][ T53] bridge0: port 1(bridge_slave_0) entered forwarding state [ 159.773010][ T1151] bridge0: port 2(bridge_slave_1) entered blocking state [ 159.780245][ T1151] bridge0: port 2(bridge_slave_1) entered forwarding state [ 159.948070][ T6509] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 159.987947][ T6509] veth0_vlan: entered promiscuous mode [ 159.999417][ T6509] veth1_vlan: entered promiscuous mode [ 160.026847][ T6509] veth0_macvtap: entered promiscuous mode [ 160.038357][ T6509] veth1_macvtap: entered promiscuous mode [ 160.055309][ T6509] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 160.068950][ T6509] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 160.083687][ T6509] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 160.093542][ T6509] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 160.103974][ T6509] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 160.113074][ T6509] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 160.175689][ T1151] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 160.188434][ T1151] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 160.214742][ T1161] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 160.224414][ T1161] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 160.659780][ T55] Bluetooth: hci1: command tx timeout [ 162.750266][ T55] Bluetooth: hci1: command tx timeout [ 162.991496][ T41] block nbd0: Possible stuck request ffff888024fd5240: control (read@0,4096B). Runtime 60 seconds [ 163.270228][ T5190] udevd[5190]: worker [6076] /devices/virtual/block/nbd0 is taking a long time [ 164.820328][ T55] Bluetooth: hci1: command tx timeout [ 166.899675][ T55] Bluetooth: hci1: command tx timeout [ 193.069710][ T41] block nbd0: Possible stuck request ffff888024fd5240: control (read@0,4096B). Runtime 90 seconds [ 194.342081][ T1300] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.348414][ T1300] ieee802154 phy1 wpan1: encryption failed: -22 2025/05/15 18:40:30 executed programs: 4 [ 216.294002][ T5130] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 216.303726][ T5130] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 216.311629][ T5130] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 216.320440][ T5130] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 216.328562][ T5130] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 216.477217][ T6533] chnl_net:caif_netlink_parms(): no params data found [ 216.545790][ T6533] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.553123][ T6533] bridge0: port 1(bridge_slave_0) entered disabled state [ 216.560424][ T6533] bridge_slave_0: entered allmulticast mode [ 216.569004][ T6533] bridge_slave_0: entered promiscuous mode [ 216.576753][ T6533] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.583930][ T6533] bridge0: port 2(bridge_slave_1) entered disabled state [ 216.591415][ T6533] bridge_slave_1: entered allmulticast mode [ 216.598433][ T6533] bridge_slave_1: entered promiscuous mode [ 216.628453][ T6533] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 216.639927][ T6533] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 216.673026][ T6533] team0: Port device team_slave_0 added [ 216.681812][ T6533] team0: Port device team_slave_1 added [ 216.710153][ T6533] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 216.717163][ T6533] 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. [ 216.744553][ T6533] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 216.757712][ T6533] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 216.765234][ T6533] 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. [ 216.791492][ T6533] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 216.837460][ T6533] hsr_slave_0: entered promiscuous mode [ 216.843728][ T6533] hsr_slave_1: entered promiscuous mode [ 216.850022][ T6533] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 216.857629][ T6533] Cannot create hsr debugfs directory [ 216.962945][ T6533] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 217.023716][ T6533] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 217.102171][ T6533] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 217.182773][ T6533] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 217.293589][ T6533] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 217.304796][ T6533] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 217.320883][ T6533] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 217.331746][ T6533] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 217.353017][ T6533] bridge0: port 2(bridge_slave_1) entered blocking state [ 217.360230][ T6533] bridge0: port 2(bridge_slave_1) entered forwarding state [ 217.367591][ T6533] bridge0: port 1(bridge_slave_0) entered blocking state [ 217.374791][ T6533] bridge0: port 1(bridge_slave_0) entered forwarding state [ 217.422797][ T6533] 8021q: adding VLAN 0 to HW filter on device bond0 [ 217.440811][ T1151] bridge0: port 1(bridge_slave_0) entered disabled state [ 217.449413][ T1151] bridge0: port 2(bridge_slave_1) entered disabled state [ 217.468435][ T6533] 8021q: adding VLAN 0 to HW filter on device team0 [ 217.485419][ T3556] bridge0: port 1(bridge_slave_0) entered blocking state [ 217.492565][ T3556] bridge0: port 1(bridge_slave_0) entered forwarding state [ 217.502969][ T3556] bridge0: port 2(bridge_slave_1) entered blocking state [ 217.510070][ T3556] bridge0: port 2(bridge_slave_1) entered forwarding state [ 217.682794][ T6533] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 217.724424][ T6533] veth0_vlan: entered promiscuous mode [ 217.736709][ T6533] veth1_vlan: entered promiscuous mode [ 217.762409][ T6533] veth0_macvtap: entered promiscuous mode [ 217.772117][ T6533] veth1_macvtap: entered promiscuous mode [ 217.790694][ T6533] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 217.806294][ T6533] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 217.816516][ T6533] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 217.826162][ T6533] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 217.835752][ T6533] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 217.845173][ T6533] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 217.906136][ T3556] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 217.917302][ T3556] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 217.946183][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 217.954327][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 218.420234][ T55] Bluetooth: hci2: command tx timeout [ 220.500274][ T55] Bluetooth: hci2: command tx timeout [ 222.019771][ T55] Bluetooth: hci0: command 0x0406 tx timeout [ 222.580112][ T5130] Bluetooth: hci2: command tx timeout [ 223.150930][ T41] block nbd0: Possible stuck request ffff888024fd5240: control (read@0,4096B). Runtime 120 seconds [ 224.659730][ T5130] Bluetooth: hci2: command tx timeout [ 253.231902][ T41] block nbd0: Possible stuck request ffff888024fd5240: control (read@0,4096B). Runtime 150 seconds [ 255.783297][ T1300] ieee802154 phy0 wpan0: encryption failed: -22 [ 255.789793][ T1300] ieee802154 phy1 wpan1: encryption failed: -22 [ 259.619767][ T31] INFO: task syz-executor.0:6244 blocked for more than 143 seconds. [ 259.627797][ T31] Not tainted 6.15.0-rc6-syzkaller-gf1f2797f8a24 #0 [ 259.634959][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 259.643697][ T31] task:syz-executor.0 state:D stack:28344 pid:6244 tgid:6243 ppid:6140 task_flags:0x400140 flags:0x00004006 [ 259.657550][ T31] Call Trace: [ 259.660875][ T31] [ 259.663810][ T31] __schedule+0x168f/0x4c70 [ 259.668327][ T31] ? locks_remove_posix+0x395/0x650 [ 259.673609][ T31] ? rcu_read_lock_sched_held+0x89/0x100 [ 259.679309][ T31] ? __lock_acquire+0xaac/0xd20 [ 259.684377][ T31] ? schedule+0x165/0x360 [ 259.688737][ T31] ? __pfx___schedule+0x10/0x10 [ 259.693786][ T31] ? schedule+0x91/0x360 [ 259.698076][ T31] schedule+0x165/0x360 [ 259.702413][ T31] schedule_preempt_disabled+0x13/0x30 [ 259.707899][ T31] __mutex_lock+0x724/0xe80 [ 259.712887][ T31] ? is_bpf_text_address+0x26/0x2b0 [ 259.718668][ T31] ? __mutex_lock+0x51b/0xe80 [ 259.723439][ T31] ? bdev_release+0x1a9/0x650 [ 259.728132][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 259.733227][ T31] ? __asan_memset+0x22/0x50 [ 259.737838][ T31] ? __pfx___fsnotify_parent+0x10/0x10 [ 259.743329][ T31] ? do_raw_spin_lock+0x121/0x290 [ 259.748368][ T31] bdev_release+0x1a9/0x650 [ 259.752929][ T31] ? __pfx_blkdev_release+0x10/0x10 [ 259.758240][ T31] blkdev_release+0x15/0x20 [ 259.762799][ T31] __fput+0x449/0xa70 [ 259.766814][ T31] task_work_run+0x1d1/0x260 [ 259.771461][ T31] ? __pfx_task_work_run+0x10/0x10 [ 259.776592][ T31] get_signal+0x11c5/0x1310 [ 259.781156][ T31] arch_do_signal_or_restart+0x95/0x780 [ 259.786773][ T31] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 259.793020][ T31] ? __file_ref_put+0xd5/0x130 [ 259.797817][ T31] ? local_irq_enable_exit_to_user+0x5/0x10 [ 259.803786][ T31] syscall_exit_to_user_mode+0x8b/0x120 [ 259.809345][ T31] do_syscall_64+0x103/0x210 [ 259.814007][ T31] ? clear_bhb_loop+0x60/0xb0 [ 259.818747][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 259.825241][ T31] RIP: 0033:0x7f5990e7c899 [ 259.829764][ T31] RSP: 002b:00007f5991cbf0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 259.839539][ T31] RAX: 0000000000000000 RBX: 00007f5990f9bf80 RCX: 00007f5990e7c899 [ 259.847514][ T31] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 259.855541][ T31] RBP: 00007f5990ed8ad0 R08: 0000000000000000 R09: 0000000000000000 [ 259.863565][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 259.871580][ T31] R13: 000000000000000b R14: 00007f5990f9bf80 R15: 00007ffc512461a8 [ 259.879602][ T31] [ 259.882653][ T31] [ 259.882653][ T31] Showing all locks held in the system: [ 259.890435][ T31] 1 lock held by khungtaskd/31: [ 259.895293][ T31] #0: ffffffff8df3dce0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 259.905247][ T31] 2 locks held by getty/5581: [ 259.910071][ T31] #0: ffff88814d3a90a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 259.920009][ T31] #1: ffffc900033532f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400 [ 259.930848][ T31] 1 lock held by udevd/6076: [ 259.935451][ T31] #0: ffff888143baa358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30 [ 259.944866][ T31] 1 lock held by syz-executor.0/6244: [ 259.950328][ T31] #0: ffff888143baa358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1a9/0x650 [ 259.960033][ T31] 1 lock held by syz-executor.0/6524: [ 259.965423][ T31] #0: ffff888143baa358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30 [ 259.974694][ T31] 1 lock held by syz-executor.0/6546: [ 259.980100][ T31] #0: ffff888143baa358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30 [ 259.989315][ T31] [ 259.991699][ T31] ============================================= [ 259.991699][ T31] [ 260.000135][ T31] NMI backtrace for cpu 0 [ 260.000152][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.15.0-rc6-syzkaller-gf1f2797f8a24 #0 PREEMPT(full) [ 260.000175][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 260.000186][ T31] Call Trace: [ 260.000194][ T31] [ 260.000203][ T31] dump_stack_lvl+0x189/0x250 [ 260.000229][ T31] ? __wake_up_klogd+0xd9/0x110 [ 260.000253][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 260.000278][ T31] ? __pfx__printk+0x10/0x10 [ 260.000321][ T31] nmi_cpu_backtrace+0x39e/0x3d0 [ 260.000346][ T31] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 260.000363][ T31] ? _printk+0xcf/0x120 [ 260.000396][ T31] ? __pfx__printk+0x10/0x10 [ 260.000427][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 260.000449][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x300 [ 260.000473][ T31] watchdog+0xfee/0x1030 [ 260.000499][ T31] ? watchdog+0x1de/0x1030 [ 260.000531][ T31] kthread+0x70e/0x8a0 [ 260.000557][ T31] ? __pfx_watchdog+0x10/0x10 [ 260.000578][ T31] ? __pfx_kthread+0x10/0x10 [ 260.000601][ T31] ? __pfx_kthread+0x10/0x10 [ 260.000621][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 260.000643][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 260.000666][ T31] ? __pfx_kthread+0x10/0x10 [ 260.000686][ T31] ret_from_fork+0x4b/0x80 [ 260.000704][ T31] ? __pfx_kthread+0x10/0x10 [ 260.000725][ T31] ret_from_fork_asm+0x1a/0x30 [ 260.000773][ T31] [ 260.000777][ T31] Sending NMI from CPU 0 to CPUs 1: [ 260.148558][ C1] NMI backtrace for cpu 1 [ 260.148575][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.15.0-rc6-syzkaller-gf1f2797f8a24 #0 PREEMPT(full) [ 260.148596][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 260.148607][ C1] RIP: 0010:pv_native_safe_halt+0x13/0x20 [ 260.148634][ C1] Code: 43 d4 02 00 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 a3 cf 18 00 f3 0f 1e fa fb f4 18 d4 02 00 cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 [ 260.148649][ C1] RSP: 0018:ffffc90000197de0 EFLAGS: 000002c6 [ 260.148665][ C1] RAX: fb9901368870f400 RBX: ffffffff81977048 RCX: fb9901368870f400 [ 260.148678][ C1] RDX: 0000000000000001 RSI: ffffffff8d738dbd RDI: ffffffff8bc10660 [ 260.148691][ C1] RBP: ffffc90000197f20 R08: ffff8880b8932b5b R09: 1ffff1101712656b [ 260.148704][ C1] R10: dffffc0000000000 R11: ffffed101712656c R12: ffffffff8f7dd370 [ 260.148717][ C1] R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff110038d8b40 [ 260.148728][ C1] FS: 0000000000000000(0000) GS:ffff8881261fb000(0000) knlGS:0000000000000000 [ 260.148742][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 260.148754][ C1] CR2: 000055b9d3264660 CR3: 000000000dd38000 CR4: 00000000003526f0 [ 260.148770][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 260.148780][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 260.148790][ C1] Call Trace: [ 260.148798][ C1] [ 260.148804][ C1] default_idle+0x13/0x20 [ 260.148827][ C1] default_idle_call+0x74/0xb0 [ 260.148850][ C1] do_idle+0x1e8/0x510 [ 260.148879][ C1] ? __pfx_do_idle+0x10/0x10 [ 260.148912][ C1] cpu_startup_entry+0x44/0x60 [ 260.148938][ C1] start_secondary+0x101/0x110 [ 260.148963][ C1] common_startup_64+0x13e/0x147 [ 260.148994][ C1] [ 260.149910][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 260.149926][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.15.0-rc6-syzkaller-gf1f2797f8a24 #0 PREEMPT(full) [ 260.149949][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 260.149960][ T31] Call Trace: [ 260.149968][ T31] [ 260.149977][ T31] dump_stack_lvl+0x99/0x250 [ 260.150006][ T31] ? __asan_memcpy+0x40/0x70 [ 260.150031][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 260.150055][ T31] ? __pfx__printk+0x10/0x10 [ 260.150095][ T31] panic+0x2db/0x790 [ 260.150125][ T31] ? __pfx_panic+0x10/0x10 [ 260.150146][ T31] ? tick_nohz_tick_stopped+0x86/0xb0 [ 260.150180][ T31] ? preempt_schedule_thunk+0x16/0x30 [ 260.150201][ T31] ? nmi_trigger_cpumask_backtrace+0x2b6/0x300 [ 260.150229][ T31] watchdog+0x102d/0x1030 [ 260.150253][ T31] ? watchdog+0x1de/0x1030 [ 260.150283][ T31] kthread+0x70e/0x8a0 [ 260.150308][ T31] ? __pfx_watchdog+0x10/0x10 [ 260.150328][ T31] ? __pfx_kthread+0x10/0x10 [ 260.150351][ T31] ? __pfx_kthread+0x10/0x10 [ 260.150371][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 260.150392][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 260.150414][ T31] ? __pfx_kthread+0x10/0x10 [ 260.150434][ T31] ret_from_fork+0x4b/0x80 [ 260.150452][ T31] ? __pfx_kthread+0x10/0x10 [ 260.150473][ T31] ret_from_fork_asm+0x1a/0x30 [ 260.150514][ T31] [ 260.463347][ T31] Kernel Offset: disabled [ 260.467654][ T31] Rebooting in 86400 seconds..