syzkaller login: [ 97.061168][ T9] cfg80211: failed to load regulatory.db
Warning: Permanently added '[localhost]:41635' (ED25519) to the list of known hosts.
2025/12/10 01:16:25 parsed 1 programs
[ 243.938381][ T5361] cgroup: Unknown subsys name 'net'
[ 244.027702][ T5361] cgroup: Unknown subsys name 'cpuset'
[ 244.033744][ T5361] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 245.968926][ T5361] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 251.240326][ T5371] 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.
[ 257.505582][ T5432] chnl_net:caif_netlink_parms(): no params data found
[ 257.651126][ T5432] bridge0: port 1(bridge_slave_0) entered blocking state
[ 257.664803][ T5432] bridge0: port 1(bridge_slave_0) entered disabled state
[ 257.668023][ T5432] bridge_slave_0: entered allmulticast mode
[ 257.674941][ T5432] bridge_slave_0: entered promiscuous mode
[ 257.685709][ T5432] bridge0: port 2(bridge_slave_1) entered blocking state
[ 257.689135][ T5432] bridge0: port 2(bridge_slave_1) entered disabled state
[ 257.692370][ T5432] bridge_slave_1: entered allmulticast mode
[ 257.706896][ T5432] bridge_slave_1: entered promiscuous mode
[ 257.737390][ T5432] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 257.744451][ T5432] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 257.771946][ T5432] team0: Port device team_slave_0 added
[ 257.777216][ T5432] team0: Port device team_slave_1 added
[ 257.801831][ T5432] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 257.805351][ T5432] 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.
[ 257.816910][ T5432] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 257.824796][ T5432] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 257.828059][ T5432] 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.
[ 257.841019][ T5432] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 257.884705][ T5432] hsr_slave_0: entered promiscuous mode
[ 257.888254][ T5432] hsr_slave_1: entered promiscuous mode
[ 258.082527][ T5432] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 258.096259][ T5432] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 258.103085][ T5432] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 258.110659][ T5432] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 258.148173][ T5432] bridge0: port 2(bridge_slave_1) entered blocking state
[ 258.151489][ T5432] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 258.156025][ T5432] bridge0: port 1(bridge_slave_0) entered blocking state
[ 258.159488][ T5432] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 258.242128][ T5432] 8021q: adding VLAN 0 to HW filter on device bond0
[ 258.268020][ T31] bridge0: port 1(bridge_slave_0) entered disabled state
[ 258.271983][ T31] bridge0: port 2(bridge_slave_1) entered disabled state
[ 258.292737][ T5432] 8021q: adding VLAN 0 to HW filter on device team0
[ 258.310303][ T1151] bridge0: port 1(bridge_slave_0) entered blocking state
[ 258.313497][ T1151] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 258.329042][ T1151] bridge0: port 2(bridge_slave_1) entered blocking state
[ 258.332325][ T1151] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 258.613822][ T5432] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 258.675792][ T5432] veth0_vlan: entered promiscuous mode
[ 258.697371][ T5432] veth1_vlan: entered promiscuous mode
[ 258.755562][ T5432] veth0_macvtap: entered promiscuous mode
[ 258.776129][ T5432] veth1_macvtap: entered promiscuous mode
[ 258.801766][ T5432] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 258.830111][ T5432] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 258.851810][ T3034] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 258.865842][ T3034] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 258.869800][ T3034] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 258.873587][ T3034] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 259.061424][ T3034] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 259.069102][ T5456] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 259.073479][ T5456] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 259.078310][ T5456] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 259.082199][ T5456] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 259.086232][ T5456] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 259.157868][ T3034] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 259.205318][ T3034] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 259.531327][ T2990] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 259.541160][ T2990] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 259.574486][ T2990] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 259.577870][ T2990] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 260.357774][ T3034] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
2025/12/10 01:16:44 executed programs: 0
[ 260.445447][ T46] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 260.449893][ T46] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 260.453753][ T46] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 260.458450][ T46] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 260.463072][ T46] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 260.673064][ T5472] chnl_net:caif_netlink_parms(): no params data found
[ 260.793809][ T5472] bridge0: port 1(bridge_slave_0) entered blocking state
[ 260.797441][ T5472] bridge0: port 1(bridge_slave_0) entered disabled state
[ 260.800627][ T5472] bridge_slave_0: entered allmulticast mode
[ 260.805945][ T5472] bridge_slave_0: entered promiscuous mode
[ 260.810872][ T5472] bridge0: port 2(bridge_slave_1) entered blocking state
[ 260.815373][ T5472] bridge0: port 2(bridge_slave_1) entered disabled state
[ 260.818651][ T5472] bridge_slave_1: entered allmulticast mode
[ 260.822591][ T5472] bridge_slave_1: entered promiscuous mode
[ 260.850780][ T5472] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 260.857353][ T5472] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 260.886197][ T5472] team0: Port device team_slave_0 added
[ 260.891536][ T5472] team0: Port device team_slave_1 added
[ 260.916550][ T5472] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 260.919552][ T5472] 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.
[ 260.930816][ T5472] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 260.937470][ T5472] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 260.940420][ T5472] 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.
[ 260.953101][ T5472] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 260.996093][ T5472] hsr_slave_0: entered promiscuous mode
[ 260.999364][ T5472] hsr_slave_1: entered promiscuous mode
[ 261.002407][ T5472] debugfs: 'hsr0' already exists in 'hsr'
[ 261.005646][ T5472] Cannot create hsr debugfs directory
[ 261.786452][ T3034] bridge_slave_1: left allmulticast mode
[ 261.789804][ T3034] bridge_slave_1: left promiscuous mode
[ 261.793062][ T3034] bridge0: port 2(bridge_slave_1) entered disabled state
[ 261.802254][ T3034] bridge_slave_0: left allmulticast mode
[ 261.806006][ T3034] bridge_slave_0: left promiscuous mode
[ 261.809322][ T3034] bridge0: port 1(bridge_slave_0) entered disabled state
[ 262.027411][ T3034] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 262.033641][ T3034] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 262.039365][ T3034] bond0 (unregistering): Released all slaves
[ 262.122359][ T3034] hsr_slave_0: left promiscuous mode
[ 262.125944][ T3034] hsr_slave_1: left promiscuous mode
[ 262.136243][ T3034] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 262.139711][ T3034] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 262.152787][ T3034] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 262.164029][ T3034] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 262.188597][ T3034] veth1_macvtap: left promiscuous mode
[ 262.191369][ T3034] veth0_macvtap: left promiscuous mode
[ 262.205048][ T3034] veth1_vlan: left promiscuous mode
[ 262.208109][ T3034] veth0_vlan: left promiscuous mode
[ 262.495280][ T46] Bluetooth: hci0: command tx timeout
[ 262.732084][ T3034] team0 (unregistering): Port device team_slave_1 removed
[ 262.764269][ T3034] team0 (unregistering): Port device team_slave_0 removed
[ 263.381176][ T5472] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 263.399910][ T5472] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 263.561819][ T5472] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 263.586062][ T5472] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 263.841159][ T5472] 8021q: adding VLAN 0 to HW filter on device bond0
[ 263.870911][ T5472] 8021q: adding VLAN 0 to HW filter on device team0
[ 263.880137][ T3034] bridge0: port 1(bridge_slave_0) entered blocking state
[ 263.883553][ T3034] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 263.893653][ T1151] bridge0: port 2(bridge_slave_1) entered blocking state
[ 263.896863][ T1151] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 264.079076][ T5472] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 264.119913][ T5472] veth0_vlan: entered promiscuous mode
[ 264.130095][ T5472] veth1_vlan: entered promiscuous mode
[ 264.156754][ T5472] veth0_macvtap: entered promiscuous mode
[ 264.163210][ T5472] veth1_macvtap: entered promiscuous mode
[ 264.187612][ T5472] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 264.197918][ T5472] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 264.208186][ T1151] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 264.218930][ T1151] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 264.232923][ T1151] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 264.246749][ T1151] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 264.299292][ T1151] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 264.302632][ T1151] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 264.337035][ T1151] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 264.340460][ T1151] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 264.574871][ T46] Bluetooth: hci0: command tx timeout
[ 264.615993][ T5504] loop0: detected capacity change from 0 to 32768
[ 266.018413][ T1314] ieee802154 phy0 wpan0: encryption failed: -22
[ 266.021480][ T1314] ieee802154 phy1 wpan1: encryption failed: -22
[ 266.654042][ T46] Bluetooth: hci0: command tx timeout
[ 268.734027][ T46] Bluetooth: hci0: command tx timeout
[ 279.471370][ T5456] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 279.476562][ T5456] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 279.480127][ T5456] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 279.485746][ T5456] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 279.489903][ T5456] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 280.165793][ T5507] chnl_net:caif_netlink_parms(): no params data found
[ 280.297449][ T5507] bridge0: port 1(bridge_slave_0) entered blocking state
[ 280.303585][ T5507] bridge0: port 1(bridge_slave_0) entered disabled state
[ 280.314418][ T5507] bridge_slave_0: entered allmulticast mode
[ 280.324361][ T5507] bridge_slave_0: entered promiscuous mode
[ 280.335625][ T5507] bridge0: port 2(bridge_slave_1) entered blocking state
[ 280.338615][ T5507] bridge0: port 2(bridge_slave_1) entered disabled state
[ 280.341970][ T5507] bridge_slave_1: entered allmulticast mode
[ 280.355700][ T5507] bridge_slave_1: entered promiscuous mode
[ 280.405672][ T5507] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 280.426620][ T5507] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 280.475541][ T5507] team0: Port device team_slave_0 added
[ 280.492868][ T5507] team0: Port device team_slave_1 added
[ 280.554182][ T5507] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 280.557206][ T5507] 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.
[ 280.584084][ T5507] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 280.590472][ T5507] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 280.593395][ T5507] 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.
[ 280.624190][ T5507] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 280.706412][ T5507] hsr_slave_0: entered promiscuous mode
[ 280.710423][ T5507] hsr_slave_1: entered promiscuous mode
[ 281.028199][ T5507] netdevsim netdevsim1 netdevsim0: renamed from eth0
[ 281.049322][ T5507] netdevsim netdevsim1 netdevsim1: renamed from eth1
[ 281.068677][ T5507] netdevsim netdevsim1 netdevsim2: renamed from eth2
[ 281.085076][ T5507] netdevsim netdevsim1 netdevsim3: renamed from eth3
[ 281.128392][ T5507] bridge0: port 2(bridge_slave_1) entered blocking state
[ 281.132080][ T5507] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 281.135961][ T5507] bridge0: port 1(bridge_slave_0) entered blocking state
[ 281.139052][ T5507] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 281.166367][ T31] bridge0: port 1(bridge_slave_0) entered disabled state
[ 281.170592][ T31] bridge0: port 2(bridge_slave_1) entered disabled state
[ 281.256948][ T5507] 8021q: adding VLAN 0 to HW filter on device bond0
[ 281.285669][ T5507] 8021q: adding VLAN 0 to HW filter on device team0
[ 281.298763][ T31] bridge0: port 1(bridge_slave_0) entered blocking state
[ 281.302211][ T31] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 281.330718][ T31] bridge0: port 2(bridge_slave_1) entered blocking state
[ 281.334671][ T31] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 281.537742][ T5456] Bluetooth: hci1: command tx timeout
[ 281.686509][ T5507] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 281.751394][ T5507] veth0_vlan: entered promiscuous mode
[ 281.776645][ T5507] veth1_vlan: entered promiscuous mode
[ 281.834597][ T5507] veth0_macvtap: entered promiscuous mode
[ 281.841592][ T5507] veth1_macvtap: entered promiscuous mode
[ 281.877732][ T5507] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 281.898696][ T5507] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 281.916818][ T2990] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 281.926795][ T2990] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 281.944990][ T2990] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 281.948690][ T2990] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 282.035734][ T2990] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 282.039289][ T2990] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 282.092020][ T2990] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 282.104253][ T2990] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2025/12/10 01:17:05 executed programs: 3
[ 283.619576][ T5456] Bluetooth: hci1: command tx timeout
[ 285.697287][ T5456] Bluetooth: hci1: command tx timeout
2025/12/10 01:17:11 executed programs: 13
[ 287.777330][ T5456] Bluetooth: hci1: command tx timeout
2025/12/10 01:17:16 executed programs: 23
2025/12/10 01:17:21 executed programs: 33
2025/12/10 01:17:26 executed programs: 43
2025/12/10 01:17:31 executed programs: 53
2025/12/10 01:17:37 executed programs: 64
2025/12/10 01:17:42 executed programs: 74
2025/12/10 01:17:47 executed programs: 84
[ 327.458611][ T1314] ieee802154 phy0 wpan0: encryption failed: -22
[ 327.461491][ T1314] ieee802154 phy1 wpan1: encryption failed: -22
2025/12/10 01:17:52 executed programs: 94
2025/12/10 01:17:57 executed programs: 104
2025/12/10 01:18:02 executed programs: 114
2025/12/10 01:18:07 executed programs: 124
2025/12/10 01:18:12 executed programs: 134
2025/12/10 01:18:18 executed programs: 144
2025/12/10 01:18:23 executed programs: 154
2025/12/10 01:18:28 executed programs: 164
2025/12/10 01:18:33 executed programs: 174
2025/12/10 01:18:38 executed programs: 184
2025/12/10 01:18:43 executed programs: 194
2025/12/10 01:18:48 executed programs: 204
[ 385.855770][ T5456] Bluetooth: hci0: command 0x0406 tx timeout
[ 388.900190][ T1314] ieee802154 phy0 wpan0: encryption failed: -22
[ 388.903457][ T1314] ieee802154 phy1 wpan1: encryption failed: -22
2025/12/10 01:18:53 executed programs: 214
2025/12/10 01:18:58 executed programs: 224
2025/12/10 01:19:03 executed programs: 234
2025/12/10 01:19:09 executed programs: 245
[ 406.339250][ T46] Bluetooth: hci1: command 0x0406 tx timeout
2025/12/10 01:19:14 executed programs: 255
2025/12/10 01:19:19 executed programs: 265
2025/12/10 01:19:24 executed programs: 275
2025/12/10 01:19:29 executed programs: 285
2025/12/10 01:19:34 executed programs: 295
2025/12/10 01:19:39 executed programs: 305
2025/12/10 01:19:45 executed programs: 315
2025/12/10 01:19:50 executed programs: 325
[ 448.414577][ T26] INFO: task kworker/u4:12:1151 blocked for more than 143 seconds.
[ 448.423990][ T26] Not tainted syzkaller #0
[ 448.426382][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 448.454417][ T26] task:kworker/u4:12 state:D stack:21144 pid:1151 tgid:1151 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 448.459927][ T26] Workqueue: writeback wb_workfn (flush-7:0)
[ 448.463092][ T26] Call Trace:
[ 448.474008][ T26]
[ 448.475470][ T26] __schedule+0x14bc/0x5000
[ 448.495202][ T26] ? __pfx___schedule+0x10/0x10
[ 448.497283][ T26] ? __blk_flush_plug+0x3fc/0x4b0
[ 448.499376][ T26] ? schedule+0x91/0x360
[ 448.501326][ T26] schedule+0x165/0x360
[ 448.503314][ T26] schedule_preempt_disabled+0x13/0x30
[ 448.529428][ T26] __mutex_lock+0x7e6/0x1350
[ 448.531566][ T26] ? __mutex_lock+0x5bb/0x1350
[ 448.533626][ T26] ? jfs_commit_inode+0x1ca/0x530
[ 448.550537][ T26] ? __pfx___mutex_lock+0x10/0x10
[ 448.552836][ T26] jfs_commit_inode+0x1ca/0x530
[ 448.557273][ T26] ? __pfx_jfs_commit_inode+0x10/0x10
[ 448.559968][ T26] jfs_write_inode+0x145/0x220
[ 448.562221][ T26] __writeback_single_inode+0x7e1/0x1240
[ 448.595334][ T26] writeback_sb_inodes+0x93a/0x1870
[ 448.597898][ T26] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 448.600487][ T26] ? __pfx_down_read_trylock+0x10/0x10
[ 448.602954][ T26] ? __pfx___up_read+0x10/0x10
[ 448.626156][ T26] __writeback_inodes_wb+0x111/0x240
[ 448.629473][ T26] wb_writeback+0x43f/0xaa0
[ 448.631521][ T26] ? queue_io+0x271/0x450
[ 448.633494][ T26] ? __pfx_wb_writeback+0x10/0x10
[ 448.663977][ T26] wb_workfn+0xad2/0xed0
[ 448.665971][ T26] ? __pfx_wb_workfn+0x10/0x10
[ 448.668487][ T26] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 448.671490][ T26] ? preempt_schedule+0xae/0xc0
[ 448.684374][ T26] ? preempt_schedule_common+0x83/0xd0
[ 448.686718][ T26] ? process_scheduled_works+0x9ef/0x1770
[ 448.689225][ T26] ? process_scheduled_works+0x9ef/0x1770
[ 448.691882][ T26] ? process_scheduled_works+0x9ef/0x1770
[ 448.724011][ T26] process_scheduled_works+0xad1/0x1770
[ 448.726829][ T26] ? __pfx_process_scheduled_works+0x10/0x10
[ 448.729820][ T26] worker_thread+0x8a0/0xda0
[ 448.732628][ T26] kthread+0x711/0x8a0
[ 448.754053][ T26] ? __pfx_worker_thread+0x10/0x10
[ 448.764028][ T26] ? __pfx_kthread+0x10/0x10
[ 448.766414][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 448.768931][ T26] ? lockdep_hardirqs_on+0x98/0x140
[ 448.771544][ T26] ? __pfx_kthread+0x10/0x10
[ 448.773650][ T26] ret_from_fork+0x599/0xb30
[ 448.814073][ T26] ? __pfx_ret_from_fork+0x10/0x10
[ 448.816618][ T26] ? __pfx_kthread+0x10/0x10
[ 448.818730][ T26] ret_from_fork_asm+0x1a/0x30
[ 448.820783][ T26]
[ 448.827029][ T26]
[ 448.827029][ T26] Showing all locks held in the system:
[ 448.830489][ T26] 1 lock held by khungtaskd/26:
[ 448.832734][ T26] #0: ffffffff8e1419e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 448.863967][ T26] 4 locks held by kworker/u4:12/1151:
[ 448.866425][ T26] #0: ffff88801ebc4148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x1770
[ 448.881871][ T26] #1: ffffc90003777b80 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x1770
[ 448.914007][ T26] #2: ffff8880434680e0 (&type->s_umount_key#55){.+.+}-{4:4}, at: super_trylock_shared+0x20/0xf0
[ 448.924000][ T26] #3: ffff888045cbaf90 (&jfs_ip->commit_mutex){+.+.}-{4:4}, at: jfs_commit_inode+0x1ca/0x530
[ 448.929178][ T26] 2 locks held by getty/5120:
[ 448.931419][ T26] #0: ffff888043adc0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 448.955654][ T26] #1: ffffc9000125e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x449/0x1460
[ 448.960409][ T26] 4 locks held by syz.0.17/5504:
[ 448.962923][ T26] 2 locks held by syz.1.344/5885:
[ 449.004111][ T26]
[ 449.005381][ T26] =============================================
[ 449.005381][ T26]
[ 449.009538][ T26] NMI backtrace for cpu 0
[ 449.009551][ T26] CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 449.009563][ T26] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 449.009570][ T26] Call Trace:
[ 449.009578][ T26]
[ 449.009584][ T26] dump_stack_lvl+0x189/0x250
[ 449.009606][ T26] ? __pfx_dump_stack_lvl+0x10/0x10
[ 449.009619][ T26] ? __pfx__printk+0x10/0x10
[ 449.009641][ T26] nmi_cpu_backtrace+0x39e/0x3d0
[ 449.009654][ T26] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 449.009666][ T26] ? __pfx__printk+0x10/0x10
[ 449.009684][ T26] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 449.009696][ T26] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 449.009709][ T26] sys_info+0x135/0x170
[ 449.009723][ T26] watchdog+0xf95/0xfe0
[ 449.009742][ T26] ? watchdog+0x20a/0xfe0
[ 449.009759][ T26] kthread+0x711/0x8a0
[ 449.009776][ T26] ? __pfx_watchdog+0x10/0x10
[ 449.009790][ T26] ? __pfx_kthread+0x10/0x10
[ 449.009805][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 449.009817][ T26] ? lockdep_hardirqs_on+0x98/0x140
[ 449.009829][ T26] ? __pfx_kthread+0x10/0x10
[ 449.009843][ T26] ret_from_fork+0x599/0xb30
[ 449.009856][ T26] ? __pfx_ret_from_fork+0x10/0x10
[ 449.009872][ T26] ? __pfx_kthread+0x10/0x10
[ 449.009886][ T26] ret_from_fork_asm+0x1a/0x30
[ 449.009910][ T26]
[ 449.224223][ T26] Kernel panic - not syncing: hung_task: blocked tasks
[ 449.227447][ T26] CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 449.231572][ T26] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 449.236419][ T26] Call Trace:
[ 449.238065][ T26]
[ 449.239401][ T26] dump_stack_lvl+0x99/0x250
[ 449.241569][ T26] ? __asan_memcpy+0x40/0x70
[ 449.243803][ T26] ? __pfx_dump_stack_lvl+0x10/0x10
[ 449.246211][ T26] ? __pfx__printk+0x10/0x10
[ 449.248382][ T26] vpanic+0x237/0x6d0
[ 449.250100][ T26] ? __pfx_vpanic+0x10/0x10
[ 449.252171][ T26] ? preempt_schedule_common+0x83/0xd0
[ 449.254456][ T26] panic+0xb9/0xc0
[ 449.256017][ T26] ? __pfx_panic+0x10/0x10
[ 449.257949][ T26] ? preempt_schedule_thunk+0x16/0x30
[ 449.260583][ T26] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[ 449.263331][ T26] watchdog+0xfdf/0xfe0
[ 449.265255][ T26] ? watchdog+0x20a/0xfe0
[ 449.267360][ T26] kthread+0x711/0x8a0
[ 449.269276][ T26] ? __pfx_watchdog+0x10/0x10
[ 449.271480][ T26] ? __pfx_kthread+0x10/0x10
[ 449.273612][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 449.276055][ T26] ? lockdep_hardirqs_on+0x98/0x140
[ 449.278523][ T26] ? __pfx_kthread+0x10/0x10
[ 449.280617][ T26] ret_from_fork+0x599/0xb30
[ 449.282751][ T26] ? __pfx_ret_from_fork+0x10/0x10
[ 449.285114][ T26] ? __pfx_kthread+0x10/0x10
[ 449.287245][ T26] ret_from_fork_asm+0x1a/0x30
[ 449.289644][ T26]
[ 449.291472][ T26] Kernel Offset: disabled
[ 449.293667][ T26] Rebooting in 86400 seconds..