syzkaller login: [ 91.994763][ T10] cfg80211: failed to load regulatory.db
Warning: Permanently added '[localhost]:33033' (ED25519) to the list of known hosts.
2025/09/15 02:40:18 parsed 1 programs
[ 240.443322][ T5388] cgroup: Unknown subsys name 'net'
[ 240.514703][ T5388] cgroup: Unknown subsys name 'cpuset'
[ 240.521226][ T5388] cgroup: Unknown subsys name 'rlimit'
[ 242.131987][ T5388] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 246.198898][ T5396] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[ 247.096152][ T5414] chnl_net:caif_netlink_parms(): no params data found
[ 247.170990][ T5414] bridge0: port 1(bridge_slave_0) entered blocking state
[ 247.175029][ T5414] bridge0: port 1(bridge_slave_0) entered disabled state
[ 247.179995][ T5414] bridge_slave_0: entered allmulticast mode
[ 247.184614][ T5414] bridge_slave_0: entered promiscuous mode
[ 247.191153][ T5414] bridge0: port 2(bridge_slave_1) entered blocking state
[ 247.194153][ T5414] bridge0: port 2(bridge_slave_1) entered disabled state
[ 247.197080][ T5414] bridge_slave_1: entered allmulticast mode
[ 247.201212][ T5414] bridge_slave_1: entered promiscuous mode
[ 247.226501][ T5414] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 247.233765][ T5414] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 247.259943][ T5414] team0: Port device team_slave_0 added
[ 247.264450][ T5414] team0: Port device team_slave_1 added
[ 247.284611][ T5414] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 247.288510][ T5414] 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.
[ 247.307097][ T5414] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 247.319675][ T5414] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 247.322695][ T5414] 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.
[ 247.337342][ T5414] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 247.375611][ T5414] hsr_slave_0: entered promiscuous mode
[ 247.379184][ T5414] hsr_slave_1: entered promiscuous mode
[ 247.528856][ T5414] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 247.538131][ T5414] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 247.544986][ T5414] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 247.552195][ T5414] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 247.585041][ T5414] bridge0: port 2(bridge_slave_1) entered blocking state
[ 247.588128][ T5414] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 247.591867][ T5414] bridge0: port 1(bridge_slave_0) entered blocking state
[ 247.594915][ T5414] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 247.657388][ T5414] 8021q: adding VLAN 0 to HW filter on device bond0
[ 247.672471][ T12] bridge0: port 1(bridge_slave_0) entered disabled state
[ 247.676416][ T12] bridge0: port 2(bridge_slave_1) entered disabled state
[ 247.689518][ T5414] 8021q: adding VLAN 0 to HW filter on device team0
[ 247.698407][ T43] bridge0: port 1(bridge_slave_0) entered blocking state
[ 247.701425][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 247.712131][ T12] bridge0: port 2(bridge_slave_1) entered blocking state
[ 247.715145][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 247.892427][ T5414] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 247.934532][ T5414] veth0_vlan: entered promiscuous mode
[ 247.944591][ T5414] veth1_vlan: entered promiscuous mode
[ 247.972011][ T5414] veth0_macvtap: entered promiscuous mode
[ 247.980599][ T5414] veth1_macvtap: entered promiscuous mode
[ 247.996205][ T5414] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 248.008995][ T5414] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 248.020987][ T43] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 248.031493][ T43] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 248.036312][ T43] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 248.052612][ T43] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 248.206778][ T5437] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 248.213150][ T5437] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 248.216888][ T5437] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 248.221451][ T5437] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 248.224418][ T5437] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 248.243489][ T43] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 248.294939][ T43] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 248.331373][ T43] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 248.381439][ T43] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 250.598313][ T43] bridge_slave_1: left allmulticast mode
[ 250.601002][ T43] bridge_slave_1: left promiscuous mode
[ 250.604230][ T43] bridge0: port 2(bridge_slave_1) entered disabled state
[ 250.642294][ T43] bridge_slave_0: left allmulticast mode
[ 250.645380][ T43] bridge_slave_0: left promiscuous mode
[ 250.650345][ T43] bridge0: port 1(bridge_slave_0) entered disabled state
[ 251.048564][ T43] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 251.054647][ T43] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 251.060642][ T43] bond0 (unregistering): Released all slaves
[ 251.134682][ T43] hsr_slave_0: left promiscuous mode
[ 251.137465][ T43] hsr_slave_1: left promiscuous mode
[ 251.141390][ T43] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 251.144603][ T43] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 251.150020][ T43] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 251.153112][ T43] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 251.164191][ T43] veth1_macvtap: left promiscuous mode
[ 251.166865][ T43] veth0_macvtap: left promiscuous mode
[ 251.169829][ T43] veth1_vlan: left promiscuous mode
[ 251.172829][ T43] veth0_vlan: left promiscuous mode
[ 251.459212][ T43] team0 (unregistering): Port device team_slave_1 removed
[ 251.475616][ T43] team0 (unregistering): Port device team_slave_0 removed
[ 252.914187][ T3112] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 252.942036][ T3112] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 253.065337][ T31] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 253.090792][ T31] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2025/09/15 02:40:34 executed programs: 0
[ 254.512264][ T5437] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 254.516439][ T5437] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 254.525379][ T5437] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 254.533372][ T5437] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 254.536772][ T5437] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 254.731557][ T5527] chnl_net:caif_netlink_parms(): no params data found
[ 254.790205][ T5527] bridge0: port 1(bridge_slave_0) entered blocking state
[ 254.793295][ T5527] bridge0: port 1(bridge_slave_0) entered disabled state
[ 254.796431][ T5527] bridge_slave_0: entered allmulticast mode
[ 254.801513][ T5527] bridge_slave_0: entered promiscuous mode
[ 254.806508][ T5527] bridge0: port 2(bridge_slave_1) entered blocking state
[ 254.810766][ T5527] bridge0: port 2(bridge_slave_1) entered disabled state
[ 254.813883][ T5527] bridge_slave_1: entered allmulticast mode
[ 254.818803][ T5527] bridge_slave_1: entered promiscuous mode
[ 254.842269][ T5527] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 254.848974][ T5527] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 254.872869][ T5527] team0: Port device team_slave_0 added
[ 254.878702][ T5527] team0: Port device team_slave_1 added
[ 254.897508][ T5527] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 254.901479][ T5527] 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.
[ 254.912822][ T5527] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 254.920351][ T5527] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 254.923508][ T5527] 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.
[ 254.935402][ T5527] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 254.973540][ T5527] hsr_slave_0: entered promiscuous mode
[ 254.976704][ T5527] hsr_slave_1: entered promiscuous mode
[ 255.432749][ T5527] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 255.449342][ T5527] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 255.460006][ T5527] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 255.478947][ T5527] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 255.639231][ T5527] 8021q: adding VLAN 0 to HW filter on device bond0
[ 255.667477][ T5527] 8021q: adding VLAN 0 to HW filter on device team0
[ 255.683679][ T12] bridge0: port 1(bridge_slave_0) entered blocking state
[ 255.687010][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 255.723770][ T12] bridge0: port 2(bridge_slave_1) entered blocking state
[ 255.727437][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 255.766607][ T5527] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 255.788732][ T5527] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 256.077268][ T5527] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 256.145919][ T5527] veth0_vlan: entered promiscuous mode
[ 256.168950][ T5527] veth1_vlan: entered promiscuous mode
[ 256.214847][ T5527] veth0_macvtap: entered promiscuous mode
[ 256.232032][ T5527] veth1_macvtap: entered promiscuous mode
[ 256.262145][ T5527] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 256.281725][ T5527] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 256.302843][ T43] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 256.306883][ T43] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 256.333009][ T43] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 256.369875][ T3112] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 256.453094][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 256.456770][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 256.529977][ T43] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 256.535708][ T43] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 256.552166][ T5437] Bluetooth: hci0: command tx timeout
[ 257.051950][ T5569] loop0: detected capacity change from 0 to 32768
[ 258.628266][ T5437] Bluetooth: hci0: command tx timeout
[ 260.708698][ T5437] Bluetooth: hci0: command tx timeout
[ 260.950540][ T1315] ieee802154 phy0 wpan0: encryption failed: -22
[ 260.953633][ T1315] ieee802154 phy1 wpan1: encryption failed: -22
[ 262.787753][ T5437] Bluetooth: hci0: command tx timeout
[ 271.674561][ T4707] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 271.679391][ T4707] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 271.682993][ T4707] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 271.686854][ T4707] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 271.690959][ T4707] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 272.382275][ T5588] chnl_net:caif_netlink_parms(): no params data found
[ 272.503844][ T5588] bridge0: port 1(bridge_slave_0) entered blocking state
[ 272.507012][ T5588] bridge0: port 1(bridge_slave_0) entered disabled state
[ 272.518785][ T5588] bridge_slave_0: entered allmulticast mode
[ 272.522554][ T5588] bridge_slave_0: entered promiscuous mode
[ 272.535516][ T5588] bridge0: port 2(bridge_slave_1) entered blocking state
[ 272.540600][ T5588] bridge0: port 2(bridge_slave_1) entered disabled state
[ 272.543786][ T5588] bridge_slave_1: entered allmulticast mode
[ 272.558708][ T5588] bridge_slave_1: entered promiscuous mode
[ 272.601992][ T5588] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 272.618055][ T5588] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 272.661825][ T5588] team0: Port device team_slave_0 added
[ 272.678695][ T5588] team0: Port device team_slave_1 added
[ 272.720281][ T5588] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 272.723414][ T5588] 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.
[ 272.758672][ T5588] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 272.765237][ T5588] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 272.777656][ T5588] 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.
[ 272.808701][ T5588] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 272.880058][ T5588] hsr_slave_0: entered promiscuous mode
[ 272.889317][ T5588] hsr_slave_1: entered promiscuous mode
[ 272.897719][ T5588] debugfs: 'hsr0' already exists in 'hsr'
[ 272.900407][ T5588] Cannot create hsr debugfs directory
[ 273.214270][ T5588] netdevsim netdevsim1 netdevsim0: renamed from eth0
[ 273.230792][ T5588] netdevsim netdevsim1 netdevsim1: renamed from eth1
[ 273.248811][ T5588] netdevsim netdevsim1 netdevsim2: renamed from eth2
[ 273.259428][ T5588] netdevsim netdevsim1 netdevsim3: renamed from eth3
[ 273.312524][ T5588] bridge0: port 2(bridge_slave_1) entered blocking state
[ 273.315799][ T5588] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 273.319427][ T5588] bridge0: port 1(bridge_slave_0) entered blocking state
[ 273.322625][ T5588] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 273.350457][ T43] bridge0: port 1(bridge_slave_0) entered disabled state
[ 273.354796][ T43] bridge0: port 2(bridge_slave_1) entered disabled state
[ 273.460901][ T5588] 8021q: adding VLAN 0 to HW filter on device bond0
[ 273.498536][ T5588] 8021q: adding VLAN 0 to HW filter on device team0
[ 273.514663][ T43] bridge0: port 1(bridge_slave_0) entered blocking state
[ 273.518050][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 273.540388][ T43] bridge0: port 2(bridge_slave_1) entered blocking state
[ 273.543534][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 273.594586][ T5588] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 273.619141][ T5588] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 273.749238][ T4707] Bluetooth: hci1: command tx timeout
[ 273.909230][ T5588] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 273.975183][ T5588] veth0_vlan: entered promiscuous mode
[ 273.995169][ T5588] veth1_vlan: entered promiscuous mode
[ 274.047220][ T5588] veth0_macvtap: entered promiscuous mode
[ 274.062742][ T5588] veth1_macvtap: entered promiscuous mode
[ 274.100790][ T5588] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 274.120411][ T5588] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 274.146985][ T12] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 274.152779][ T12] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 274.156771][ T12] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 274.173403][ T12] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 274.268840][ T43] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 274.272266][ T43] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 274.340021][ T1036] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 274.344668][ T1036] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2025/09/15 02:40:54 executed programs: 3
[ 275.829480][ T5437] Bluetooth: hci1: command tx timeout
[ 277.907864][ T5437] Bluetooth: hci1: command tx timeout
2025/09/15 02:40:59 executed programs: 13
[ 279.988070][ T5437] Bluetooth: hci1: command tx timeout
2025/09/15 02:41:05 executed programs: 24
2025/09/15 02:41:10 executed programs: 35
2025/09/15 02:41:16 executed programs: 46
2025/09/15 02:41:21 executed programs: 56
2025/09/15 02:41:26 executed programs: 67
2025/09/15 02:41:31 executed programs: 77
2025/09/15 02:41:36 executed programs: 87
2025/09/15 02:41:42 executed programs: 98
[ 322.399059][ T1315] ieee802154 phy0 wpan0: encryption failed: -22
[ 322.401545][ T1315] ieee802154 phy1 wpan1: encryption failed: -22
2025/09/15 02:41:47 executed programs: 109
2025/09/15 02:41:52 executed programs: 119
2025/09/15 02:41:58 executed programs: 130
2025/09/15 02:42:03 executed programs: 140
2025/09/15 02:42:08 executed programs: 151
2025/09/15 02:42:14 executed programs: 161
2025/09/15 02:42:19 executed programs: 172
2025/09/15 02:42:24 executed programs: 183
2025/09/15 02:42:29 executed programs: 193
2025/09/15 02:42:35 executed programs: 204
2025/09/15 02:42:40 executed programs: 214
[ 380.788771][ T4707] Bluetooth: hci0: command 0x0406 tx timeout
[ 383.836309][ T1315] ieee802154 phy0 wpan0: encryption failed: -22
[ 383.849163][ T1315] ieee802154 phy1 wpan1: encryption failed: -22
2025/09/15 02:42:45 executed programs: 224
2025/09/15 02:42:50 executed programs: 235
2025/09/15 02:42:55 executed programs: 245
[ 396.147758][ T4707] Bluetooth: hci1: command 0x0406 tx timeout
2025/09/15 02:43:00 executed programs: 255
2025/09/15 02:43:06 executed programs: 266
2025/09/15 02:43:11 executed programs: 277
2025/09/15 02:43:16 executed programs: 288
2025/09/15 02:43:22 executed programs: 299
2025/09/15 02:43:27 executed programs: 309
2025/09/15 02:43:32 executed programs: 320
2025/09/15 02:43:38 executed programs: 331
2025/09/15 02:43:43 executed programs: 342
[ 445.269061][ T26] INFO: task kworker/u4:0:12 blocked for more than 143 seconds.
[ 445.272522][ T26] Not tainted syzkaller #0
[ 445.277254][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 445.284409][ T1315] ieee802154 phy0 wpan0: encryption failed: -22
[ 445.287090][ T1315] ieee802154 phy1 wpan1: encryption failed: -22
[ 445.307881][ T26] task:kworker/u4:0 state:D stack:21128 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00004000
[ 445.319102][ T26] Workqueue: writeback wb_workfn (flush-7:0)
[ 445.321598][ T26] Call Trace:
[ 445.323072][ T26]
[ 445.324382][ T26] __schedule+0x1798/0x4cc0
[ 445.326643][ T26] ? blk_mq_flush_plug_list+0x48b/0x550
[ 445.349083][ T26] ? __pfx_blk_mq_flush_plug_list+0x10/0x10
[ 445.358857][ T26] ? __lock_acquire+0xab9/0xd20
[ 445.361177][ T26] ? __pfx___schedule+0x10/0x10
[ 445.363511][ T26] ? schedule+0x91/0x360
[ 445.365534][ T26] schedule+0x165/0x360
[ 445.386620][ T26] schedule_preempt_disabled+0x13/0x30
[ 445.400577][ T26] __mutex_lock+0x7e6/0x1350
[ 445.402628][ T26] ? __mutex_lock+0x5bb/0x1350
[ 445.404610][ T26] ? jfs_commit_inode+0x1ca/0x530
[ 445.406935][ T26] ? __pfx___mutex_lock+0x10/0x10
[ 445.425820][ T26] ? metapage_writepages+0x107/0x160
[ 445.438527][ T26] ? __pfx_metapage_writepages+0x10/0x10
[ 445.441108][ T26] ? __lock_acquire+0xab9/0xd20
[ 445.443316][ T26] jfs_commit_inode+0x1ca/0x530
[ 445.445524][ T26] ? __pfx_jfs_commit_inode+0x10/0x10
[ 445.469976][ T26] jfs_write_inode+0x145/0x220
[ 445.472233][ T26] __writeback_single_inode+0x6ee/0xff0
[ 445.474753][ T26] writeback_sb_inodes+0x6c7/0x1010
[ 445.477201][ T26] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 445.508738][ T26] ? __pfx_down_read_trylock+0x10/0x10
[ 445.511365][ T26] ? __pfx___up_read+0x10/0x10
[ 445.513637][ T26] __writeback_inodes_wb+0x111/0x240
[ 445.515938][ T26] wb_writeback+0x44f/0xaf0
[ 445.537630][ T26] ? queue_io+0x3b1/0x590
[ 445.539758][ T26] ? __pfx_wb_writeback+0x10/0x10
[ 445.541722][ T26] wb_workfn+0xaef/0xef0
[ 445.543566][ T26] ? __pfx_wb_workfn+0x10/0x10
[ 445.545420][ T26] ? __lock_acquire+0xab9/0xd20
[ 445.547365][ T26] ? process_scheduled_works+0x9ef/0x17b0
[ 445.569651][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 445.571914][ T26] ? process_scheduled_works+0x9ef/0x17b0
[ 445.574546][ T26] ? process_scheduled_works+0x9ef/0x17b0
[ 445.577053][ T26] process_scheduled_works+0xae1/0x17b0
[ 445.607777][ T26] ? __pfx_process_scheduled_works+0x10/0x10
[ 445.610322][ T26] worker_thread+0x8a0/0xda0
[ 445.612345][ T26] kthread+0x70e/0x8a0
[ 445.614130][ T26] ? __pfx_worker_thread+0x10/0x10
[ 445.616393][ T26] ? __pfx_kthread+0x10/0x10
[ 445.637632][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 445.639927][ T26] ? lockdep_hardirqs_on+0x9c/0x150
[ 445.642198][ T26] ? __pfx_kthread+0x10/0x10
[ 445.644248][ T26] ret_from_fork+0x436/0x7d0
[ 445.646342][ T26] ? __pfx_ret_from_fork+0x10/0x10
[ 445.678591][ T26] ? __pfx_kthread+0x10/0x10
[ 445.680689][ T26] ret_from_fork_asm+0x1a/0x30
[ 445.682803][ T26]
[ 445.694142][ T26]
[ 445.694142][ T26] Showing all locks held in the system:
[ 445.717756][ T26] 4 locks held by kworker/u4:0/12:
[ 445.720150][ T26] #0: ffff88801c342948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
[ 445.724895][ T26] #1: ffffc900001e7bc0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0
[ 445.754072][ T26] #2: ffff888043cbc0e0 (&type->s_umount_key#54){.+.+}-{4:4}, at: super_trylock_shared+0x20/0xf0
[ 445.777638][ T26] #3: ffff888042222fe0 (&jfs_ip->commit_mutex){+.+.}-{4:4}, at: jfs_commit_inode+0x1ca/0x530
[ 445.782342][ T26] 1 lock held by khungtaskd/26:
[ 445.784561][ T26] #0: ffffffff8e33a0e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 445.808548][ T26] 2 locks held by getty/5147:
[ 445.810597][ T26] #0: ffff88803698d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 445.814387][ T26] #1: ffffc9000018e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
[ 445.847776][ T26] 4 locks held by syz.0.17/5569:
[ 445.849857][ T26] 3 locks held by syz.1.361/5981:
[ 445.851956][ T26] 2 locks held by dhcpcd/5982:
[ 445.854005][ T26] #0: ffff888032a82258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xcd0
[ 445.878211][ T26] #1: ffffffff8e33fb78 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2f6/0x730
[ 445.888221][ T26]
[ 445.889184][ T26] =============================================
[ 445.889184][ T26]
[ 445.892857][ T26] NMI backtrace for cpu 0
[ 445.892868][ T26] CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 445.892880][ T26] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 445.892887][ T26] Call Trace:
[ 445.892894][ T26]
[ 445.892899][ T26] dump_stack_lvl+0x189/0x250
[ 445.892920][ T26] ? __pfx_dump_stack_lvl+0x10/0x10
[ 445.892933][ T26] ? __pfx__printk+0x10/0x10
[ 445.892954][ T26] nmi_cpu_backtrace+0x39e/0x3d0
[ 445.892971][ T26] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 445.892985][ T26] ? __pfx__printk+0x10/0x10
[ 445.893002][ T26] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 445.893013][ T26] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 445.893027][ T26] watchdog+0xf93/0xfe0
[ 445.893052][ T26] ? watchdog+0x1de/0xfe0
[ 445.893068][ T26] kthread+0x70e/0x8a0
[ 445.893083][ T26] ? __pfx_watchdog+0x10/0x10
[ 445.893096][ T26] ? __pfx_kthread+0x10/0x10
[ 445.893109][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 445.893124][ T26] ? lockdep_hardirqs_on+0x9c/0x150
[ 445.893139][ T26] ? __pfx_kthread+0x10/0x10
[ 445.893151][ T26] ret_from_fork+0x436/0x7d0
[ 445.893164][ T26] ? __pfx_ret_from_fork+0x10/0x10
[ 445.893179][ T26] ? __pfx_kthread+0x10/0x10
[ 445.893191][ T26] ret_from_fork_asm+0x1a/0x30
[ 445.893213][ T26]
[ 445.893220][ T26] Kernel panic - not syncing: hung_task: blocked tasks
[ 445.950821][ T26] CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 445.954771][ T26] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 445.959269][ T26] Call Trace:
[ 445.960787][ T26]
[ 445.962054][ T26] dump_stack_lvl+0x99/0x250
[ 445.964042][ T26] ? __asan_memcpy+0x40/0x70
[ 445.966206][ T26] ? __pfx_dump_stack_lvl+0x10/0x10
[ 445.968441][ T26] ? __pfx__printk+0x10/0x10
[ 445.970398][ T26] vpanic+0x281/0x750
[ 445.972184][ T26] ? __pfx_vpanic+0x10/0x10
[ 445.974244][ T26] ? nmi_cpu_backtrace+0x319/0x3d0
[ 445.976507][ T26] ? nmi_cpu_backtrace+0x386/0x3d0
[ 445.978640][ T26] panic+0xb9/0xc0
[ 445.980254][ T26] ? __pfx_panic+0x10/0x10
[ 445.982142][ T26] ? irq_work_queue+0xc3/0x140
[ 445.984206][ T26] ? nmi_trigger_cpumask_backtrace+0x234/0x300
[ 445.986811][ T26] watchdog+0xfd2/0xfe0
[ 445.988647][ T26] ? watchdog+0x1de/0xfe0
[ 445.990502][ T26] kthread+0x70e/0x8a0
[ 445.992368][ T26] ? __pfx_watchdog+0x10/0x10
[ 445.994459][ T26] ? __pfx_kthread+0x10/0x10
[ 445.996503][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 445.998730][ T26] ? lockdep_hardirqs_on+0x9c/0x150
[ 446.001064][ T26] ? __pfx_kthread+0x10/0x10
[ 446.003094][ T26] ret_from_fork+0x436/0x7d0
[ 446.005106][ T26] ? __pfx_ret_from_fork+0x10/0x10
[ 446.007303][ T26] ? __pfx_kthread+0x10/0x10
[ 446.009274][ T26] ret_from_fork_asm+0x1a/0x30
[ 446.011457][ T26]
[ 446.013224][ T26] Kernel Offset: disabled
[ 446.015195][ T26] Rebooting in 86400 seconds..
VM DIAGNOSIS:
02:43:45 Registers:
info registers vcpu 0
CPU#0
RAX=000000000000006c RBX=000000000000006c RCX=0000000000000000 RDX=00000000000003f8
RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f8 RSP=ffffc900004d76b0
R8 =ffff888033b70237 R9 =1ffff1100676e046 R10=dffffc0000000000 R11=ffffffff855139b0
R12=dffffc0000000000 R13=ffffffff99d0b8ef R14=ffffffff9a000840 R15=0000000000000000
RIP=ffffffff85513a2c RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 ffffffff 00c00000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
DS =0000 0000000000000000 ffffffff 00c00000
FS =0000 0000000000000000 ffffffff 00c00000
GS =0000 ffff88808d00a000 ffffffff 00c00000
LDT=0000 0000000000000000 ffffffff 00c00000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000001000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007fdf937ff000 CR3=0000000059738000 CR4=00352ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
Opmask00=0000000080040001 Opmask01=00000000e0000000 Opmask02=00000000ffffffef Opmask03=0000000000000000
Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000
ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fffb739cac0 0000003000000018
ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fffb739cc46
ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fffb739cc46 00007fffb739cc4c
ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fdf9b812e46
ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fdf9b812e53
ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fdf9b812e4d
ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fdf9b812e61
ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fdf9b812ee7
ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fdf9b812fc5
ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2525252525252525 2525252525252525 2525252525252525 2525252525252525
ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0063696e61703d73 726f727265006f72 2d746e756f6d6572 3d73726f72726500
ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 00464c4b44551856 574a575740004a57 08514b504a484057 1856574a57574000
ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6161616161616161 6161616161616161 6161616161616161 6161616161616161
ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6161616161616161 6161616161616161 6161616161616161 6161616161616161
ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6161616161616161 6161616161616161 6161616161616161 6161616161616161
ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6161616161616161 6161616161616161 6161616161616161 6161616161616161
ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000