syzkaller login: [ 91.820591][ T9] cfg80211: failed to load regulatory.db
Warning: Permanently added '[localhost]:20384' (ED25519) to the list of known hosts.
2025/09/03 07:19:06 parsed 1 programs
[ 239.998484][ T5378] cgroup: Unknown subsys name 'net'
[ 240.070200][ T5378] cgroup: Unknown subsys name 'cpuset'
[ 240.075183][ T5378] cgroup: Unknown subsys name 'rlimit'
[ 241.631036][ T5378] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 245.561884][ T5386] 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.
[ 248.268804][ T5430] chnl_net:caif_netlink_parms(): no params data found
[ 248.334195][ T5430] bridge0: port 1(bridge_slave_0) entered blocking state
[ 248.338417][ T5430] bridge0: port 1(bridge_slave_0) entered disabled state
[ 248.341391][ T5430] bridge_slave_0: entered allmulticast mode
[ 248.344882][ T5430] bridge_slave_0: entered promiscuous mode
[ 248.350163][ T5430] bridge0: port 2(bridge_slave_1) entered blocking state
[ 248.352979][ T5430] bridge0: port 2(bridge_slave_1) entered disabled state
[ 248.355768][ T5430] bridge_slave_1: entered allmulticast mode
[ 248.359982][ T5430] bridge_slave_1: entered promiscuous mode
[ 248.402750][ T5430] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 248.409446][ T5430] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 248.435381][ T5430] team0: Port device team_slave_0 added
[ 248.440671][ T5430] team0: Port device team_slave_1 added
[ 248.463948][ T5430] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 248.467112][ T5430] 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.
[ 248.477253][ T5430] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 248.483730][ T5430] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 248.486842][ T5430] 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.
[ 248.497463][ T5430] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 248.532229][ T5430] hsr_slave_0: entered promiscuous mode
[ 248.535505][ T5430] hsr_slave_1: entered promiscuous mode
[ 248.679090][ T5430] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 248.688898][ T5430] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 248.695495][ T5430] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 248.703320][ T5430] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 248.732422][ T5430] bridge0: port 2(bridge_slave_1) entered blocking state
[ 248.735538][ T5430] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 248.739557][ T5430] bridge0: port 1(bridge_slave_0) entered blocking state
[ 248.742677][ T5430] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 248.802953][ T5430] 8021q: adding VLAN 0 to HW filter on device bond0
[ 248.818613][ T12] bridge0: port 1(bridge_slave_0) entered disabled state
[ 248.823058][ T12] bridge0: port 2(bridge_slave_1) entered disabled state
[ 248.834844][ T5430] 8021q: adding VLAN 0 to HW filter on device team0
[ 248.846515][ T1036] bridge0: port 1(bridge_slave_0) entered blocking state
[ 248.849569][ T1036] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 248.865720][ T1036] bridge0: port 2(bridge_slave_1) entered blocking state
[ 248.868901][ T1036] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 249.054833][ T5430] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 249.097439][ T5430] veth0_vlan: entered promiscuous mode
[ 249.105052][ T5430] veth1_vlan: entered promiscuous mode
[ 249.132363][ T5430] veth0_macvtap: entered promiscuous mode
[ 249.139230][ T5430] veth1_macvtap: entered promiscuous mode
[ 249.154802][ T5430] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 249.167768][ T5430] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 249.179902][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 249.192215][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 249.203955][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 249.217634][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 249.344887][ T43] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 249.390064][ T43] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 249.428215][ T43] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 249.479606][ T43] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 249.889328][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 249.892623][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 249.958099][ T1036] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 249.961388][ T1036] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 250.611377][ T5473] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 250.614909][ T5473] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 250.623776][ T45] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 250.629548][ T45] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 250.632714][ T45] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
2025/09/03 07:19:20 executed programs: 0
[ 251.234557][ T4702] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 251.240876][ T4702] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 251.244367][ T4702] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 251.250105][ T4702] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 251.253178][ T4702] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 251.444987][ T5485] chnl_net:caif_netlink_parms(): no params data found
[ 251.509753][ T5485] bridge0: port 1(bridge_slave_0) entered blocking state
[ 251.513025][ T5485] bridge0: port 1(bridge_slave_0) entered disabled state
[ 251.516135][ T5485] bridge_slave_0: entered allmulticast mode
[ 251.524329][ T5485] bridge_slave_0: entered promiscuous mode
[ 251.529450][ T5485] bridge0: port 2(bridge_slave_1) entered blocking state
[ 251.532533][ T5485] bridge0: port 2(bridge_slave_1) entered disabled state
[ 251.535735][ T5485] bridge_slave_1: entered allmulticast mode
[ 251.541332][ T5485] bridge_slave_1: entered promiscuous mode
[ 251.568046][ T5485] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 251.574399][ T5485] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 251.600830][ T5485] team0: Port device team_slave_0 added
[ 251.605332][ T5485] team0: Port device team_slave_1 added
[ 251.629205][ T5485] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 251.632480][ T5485] 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.
[ 251.647149][ T5485] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 251.653177][ T5485] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 251.656001][ T5485] 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.
[ 251.668620][ T5485] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 251.701200][ T5485] hsr_slave_0: entered promiscuous mode
[ 251.704042][ T5485] hsr_slave_1: entered promiscuous mode
[ 251.708786][ T5485] debugfs: 'hsr0' already exists in 'hsr'
[ 251.711198][ T5485] Cannot create hsr debugfs directory
[ 252.210157][ T43] bridge_slave_1: left allmulticast mode
[ 252.212653][ T43] bridge_slave_1: left promiscuous mode
[ 252.221735][ T43] bridge0: port 2(bridge_slave_1) entered disabled state
[ 252.240825][ T43] bridge_slave_0: left allmulticast mode
[ 252.243252][ T43] bridge_slave_0: left promiscuous mode
[ 252.245799][ T43] bridge0: port 1(bridge_slave_0) entered disabled state
[ 252.637804][ T43] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 252.643789][ T43] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 252.648732][ T43] bond0 (unregistering): Released all slaves
[ 252.755260][ T43] hsr_slave_0: left promiscuous mode
[ 252.774842][ T43] hsr_slave_1: left promiscuous mode
[ 252.780512][ T43] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 252.783769][ T43] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 252.799910][ T43] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 252.803006][ T43] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 252.831026][ T43] veth1_macvtap: left promiscuous mode
[ 252.833658][ T43] veth0_macvtap: left promiscuous mode
[ 252.846410][ T43] veth1_vlan: left promiscuous mode
[ 252.849374][ T43] veth0_vlan: left promiscuous mode
[ 253.297952][ T43] team0 (unregistering): Port device team_slave_1 removed
[ 253.319464][ T43] team0 (unregistering): Port device team_slave_0 removed
[ 253.341559][ T4702] Bluetooth: hci0: command tx timeout
[ 253.773832][ T5485] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 253.800793][ T5485] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 253.830138][ T5485] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 253.862569][ T5485] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 254.510542][ T5485] 8021q: adding VLAN 0 to HW filter on device bond0
[ 254.562413][ T5485] 8021q: adding VLAN 0 to HW filter on device team0
[ 254.605558][ T12] bridge0: port 1(bridge_slave_0) entered blocking state
[ 254.608630][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 254.640895][ T12] bridge0: port 2(bridge_slave_1) entered blocking state
[ 254.643849][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 254.922999][ T5485] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 254.957686][ T5485] veth0_vlan: entered promiscuous mode
[ 254.964826][ T5485] veth1_vlan: entered promiscuous mode
[ 254.990719][ T5485] veth0_macvtap: entered promiscuous mode
[ 254.995552][ T5485] veth1_macvtap: entered promiscuous mode
[ 255.009035][ T5485] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 255.020591][ T5485] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 255.029325][ T1134] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 255.034950][ T1134] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 255.047987][ T1134] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 255.051263][ T1134] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 255.109713][ T1134] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 255.113012][ T1134] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 255.145685][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 255.151908][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 255.387324][ T5529] loop0: detected capacity change from 0 to 32768
[ 255.416985][ T4702] Bluetooth: hci0: command tx timeout
[ 257.496354][ T4702] Bluetooth: hci0: command tx timeout
[ 259.577595][ T4702] Bluetooth: hci0: command tx timeout
[ 260.788339][ T1316] ieee802154 phy0 wpan0: encryption failed: -22
[ 260.791097][ T1316] ieee802154 phy1 wpan1: encryption failed: -22
[ 270.249666][ T45] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 270.253533][ T45] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 270.258136][ T45] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 270.261865][ T45] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 270.265203][ T45] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 270.988226][ T5531] chnl_net:caif_netlink_parms(): no params data found
[ 271.118932][ T5531] bridge0: port 1(bridge_slave_0) entered blocking state
[ 271.122458][ T5531] bridge0: port 1(bridge_slave_0) entered disabled state
[ 271.125563][ T5531] bridge_slave_0: entered allmulticast mode
[ 271.136360][ T5531] bridge_slave_0: entered promiscuous mode
[ 271.142205][ T5531] bridge0: port 2(bridge_slave_1) entered blocking state
[ 271.145209][ T5531] bridge0: port 2(bridge_slave_1) entered disabled state
[ 271.156405][ T5531] bridge_slave_1: entered allmulticast mode
[ 271.167227][ T5531] bridge_slave_1: entered promiscuous mode
[ 271.217867][ T5531] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 271.223582][ T5531] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 271.288341][ T5531] team0: Port device team_slave_0 added
[ 271.292626][ T5531] team0: Port device team_slave_1 added
[ 271.333328][ T5531] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 271.346403][ T5531] 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.
[ 271.366516][ T5531] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 271.377511][ T5531] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 271.380420][ T5531] 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.
[ 271.418231][ T5531] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 271.489215][ T5531] hsr_slave_0: entered promiscuous mode
[ 271.492499][ T5531] hsr_slave_1: entered promiscuous mode
[ 271.809343][ T5531] netdevsim netdevsim1 netdevsim0: renamed from eth0
[ 271.827974][ T5531] netdevsim netdevsim1 netdevsim1: renamed from eth1
[ 271.837776][ T5531] netdevsim netdevsim1 netdevsim2: renamed from eth2
[ 271.853139][ T5531] netdevsim netdevsim1 netdevsim3: renamed from eth3
[ 272.006860][ T5531] 8021q: adding VLAN 0 to HW filter on device bond0
[ 272.037913][ T5531] 8021q: adding VLAN 0 to HW filter on device team0
[ 272.059124][ T1134] bridge0: port 1(bridge_slave_0) entered blocking state
[ 272.062197][ T1134] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 272.073034][ T1134] bridge0: port 2(bridge_slave_1) entered blocking state
[ 272.076099][ T1134] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 272.143818][ T5531] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 272.167016][ T5531] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 272.297204][ T45] Bluetooth: hci1: command tx timeout
[ 272.479269][ T5531] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 272.557004][ T5531] veth0_vlan: entered promiscuous mode
[ 272.565686][ T5531] veth1_vlan: entered promiscuous mode
[ 272.617949][ T5531] veth0_macvtap: entered promiscuous mode
[ 272.631018][ T5531] veth1_macvtap: entered promiscuous mode
[ 272.667966][ T5531] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 272.675499][ T5531] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 272.708917][ T1040] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 272.730468][ T1040] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 272.740531][ T1040] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 272.744022][ T1040] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 272.848957][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 272.852348][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 272.918244][ T1040] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 272.923324][ T1040] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2025/09/03 07:19:42 executed programs: 3
[ 274.376524][ T45] Bluetooth: hci1: command tx timeout
[ 276.456454][ T45] Bluetooth: hci1: command tx timeout
2025/09/03 07:19:47 executed programs: 13
[ 278.537690][ T45] Bluetooth: hci1: command tx timeout
2025/09/03 07:19:52 executed programs: 23
2025/09/03 07:19:57 executed programs: 33
2025/09/03 07:20:03 executed programs: 44
2025/09/03 07:20:08 executed programs: 55
2025/09/03 07:20:13 executed programs: 65
2025/09/03 07:20:19 executed programs: 76
2025/09/03 07:20:24 executed programs: 86
2025/09/03 07:20:29 executed programs: 97
[ 322.227320][ T1316] ieee802154 phy0 wpan0: encryption failed: -22
[ 322.231392][ T1316] ieee802154 phy1 wpan1: encryption failed: -22
2025/09/03 07:20:35 executed programs: 108
2025/09/03 07:20:40 executed programs: 118
2025/09/03 07:20:45 executed programs: 129
2025/09/03 07:20:51 executed programs: 140
2025/09/03 07:20:56 executed programs: 151
2025/09/03 07:21:01 executed programs: 161
2025/09/03 07:21:07 executed programs: 172
2025/09/03 07:21:12 executed programs: 183
2025/09/03 07:21:17 executed programs: 193
2025/09/03 07:21:22 executed programs: 203
[ 375.497575][ T45] Bluetooth: hci0: command 0x0406 tx timeout
2025/09/03 07:21:27 executed programs: 213
[ 383.663787][ T1316] ieee802154 phy0 wpan0: encryption failed: -22
[ 383.676535][ T1316] ieee802154 phy1 wpan1: encryption failed: -22
2025/09/03 07:21:33 executed programs: 224
2025/09/03 07:21:38 executed programs: 234
2025/09/03 07:21:43 executed programs: 245
[ 395.977883][ T45] Bluetooth: hci1: command 0x0406 tx timeout
2025/09/03 07:21:49 executed programs: 255
2025/09/03 07:21:54 executed programs: 266
2025/09/03 07:21:59 executed programs: 276
2025/09/03 07:22:04 executed programs: 287
2025/09/03 07:22:10 executed programs: 298
2025/09/03 07:22:15 executed programs: 308
2025/09/03 07:22:20 executed programs: 318
2025/09/03 07:22:25 executed programs: 328
2025/09/03 07:22:30 executed programs: 338
[ 444.458969][ T26] INFO: task kworker/u4:6:1040 blocked for more than 143 seconds.
[ 444.462459][ T26] Not tainted syzkaller #0
[ 444.465430][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 444.488303][ T26] task:kworker/u4:6 state:D stack:20552 pid:1040 tgid:1040 ppid:2 task_flags:0x4208060 flags:0x00004000
[ 444.493516][ T26] Workqueue: writeback wb_workfn (flush-7:0)
[ 444.516302][ T26] Call Trace:
[ 444.517862][ T26]
[ 444.527247][ T26] __schedule+0x1798/0x4cc0
[ 444.528936][ T26] ? blk_mq_flush_plug_list+0x48b/0x550
[ 444.542868][ T26] ? __pfx_blk_mq_flush_plug_list+0x10/0x10
[ 444.545375][ T26] ? __lock_acquire+0xab9/0xd20
[ 444.557476][ T26] ? __pfx___schedule+0x10/0x10
[ 444.559646][ T26] ? schedule+0x91/0x360
[ 444.561609][ T26] schedule+0x165/0x360
[ 444.563399][ T26] schedule_preempt_disabled+0x13/0x30
[ 444.565750][ T26] __mutex_lock+0x7e6/0x1350
[ 444.596427][ T26] ? __mutex_lock+0x5bb/0x1350
[ 444.598898][ T26] ? jfs_commit_inode+0x1ca/0x530
[ 444.601104][ T26] ? __pfx___mutex_lock+0x10/0x10
[ 444.603187][ T26] ? metapage_writepages+0x107/0x160
[ 444.605320][ T26] ? __pfx_metapage_writepages+0x10/0x10
[ 444.626318][ T26] ? __lock_acquire+0xab9/0xd20
[ 444.634201][ T26] jfs_commit_inode+0x1ca/0x530
[ 444.656431][ T26] ? __pfx_jfs_commit_inode+0x10/0x10
[ 444.658885][ T26] jfs_write_inode+0x145/0x220
[ 444.661460][ T26] __writeback_single_inode+0x6ee/0xff0
[ 444.664099][ T26] writeback_sb_inodes+0x6c7/0x1010
[ 444.687128][ T26] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 444.689565][ T26] ? __pfx_down_read_trylock+0x10/0x10
[ 444.692173][ T26] ? __pfx___up_read+0x10/0x10
[ 444.694536][ T26] __writeback_inodes_wb+0x111/0x240
[ 444.716807][ T26] wb_writeback+0x44f/0xaf0
[ 444.718686][ T26] ? queue_io+0x3b1/0x590
[ 444.720504][ T26] ? __pfx_wb_writeback+0x10/0x10
[ 444.722510][ T26] wb_workfn+0xaef/0xef0
[ 444.724416][ T26] ? __pfx_wb_workfn+0x10/0x10
[ 444.746745][ T26] ? __lock_acquire+0xab9/0xd20
[ 444.756375][ T26] ? process_scheduled_works+0x9ef/0x17b0
[ 444.758915][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 444.761222][ T26] ? process_scheduled_works+0x9ef/0x17b0
[ 444.763681][ T26] ? process_scheduled_works+0x9ef/0x17b0
[ 444.793574][ T26] process_scheduled_works+0xae1/0x17b0
[ 444.795884][ T26] ? __pfx_process_scheduled_works+0x10/0x10
[ 444.816418][ T26] worker_thread+0x8a0/0xda0
[ 444.818492][ T26] kthread+0x70e/0x8a0
[ 444.820226][ T26] ? __pfx_worker_thread+0x10/0x10
[ 444.822436][ T26] ? __pfx_kthread+0x10/0x10
[ 444.824467][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 444.847809][ T26] ? lockdep_hardirqs_on+0x9c/0x150
[ 444.849939][ T26] ? __pfx_kthread+0x10/0x10
[ 444.851720][ T26] ret_from_fork+0x3fc/0x770
[ 444.853599][ T26] ? __pfx_ret_from_fork+0x10/0x10
[ 444.855601][ T26] ? __pfx_kthread+0x10/0x10
[ 444.886360][ T26] ret_from_fork_asm+0x1a/0x30
[ 444.888594][ T26]
[ 444.891726][ T26]
[ 444.891726][ T26] Showing all locks held in the system:
[ 444.894957][ T26] 1 lock held by khungtaskd/26:
[ 444.916338][ T26] #0: ffffffff8e139f20 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 444.921731][ T26] 4 locks held by kworker/u4:6/1040:
[ 444.924501][ T26] #0: ffff88801bb7a948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
[ 444.957226][ T26] #1: ffffc9000257fbc0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0
[ 444.962473][ T26] #2: ffff8880368280e0 (&type->s_umount_key#54){.+.+}-{4:4}, at: super_trylock_shared+0x20/0xf0
[ 444.986258][ T26] #3: ffff888041ffafe0 (&jfs_ip->commit_mutex){+.+.}-{4:4}, at: jfs_commit_inode+0x1ca/0x530
[ 444.998105][ T26] 2 locks held by getty/5141:
[ 445.000129][ T26] #0: ffff888036f3d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 445.004154][ T26] #1: ffffc9000018e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
[ 445.036422][ T26] 4 locks held by syz.0.17/5529:
[ 445.038572][ T26] 1 lock held by syz.1.359/5929:
[ 445.046378][ T26]
[ 445.047489][ T26] =============================================
[ 445.047489][ T26]
[ 445.050961][ T26] NMI backtrace for cpu 0
[ 445.050975][ T26] CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 445.050987][ T26] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 445.050994][ T26] Call Trace:
[ 445.051001][ T26]
[ 445.051006][ T26] dump_stack_lvl+0x189/0x250
[ 445.051026][ T26] ? __pfx_dump_stack_lvl+0x10/0x10
[ 445.051038][ T26] ? __pfx__printk+0x10/0x10
[ 445.051061][ T26] nmi_cpu_backtrace+0x39e/0x3d0
[ 445.051076][ T26] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 445.051091][ T26] ? __pfx__printk+0x10/0x10
[ 445.051107][ T26] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 445.051126][ T26] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 445.051140][ T26] watchdog+0xf93/0xfe0
[ 445.051159][ T26] ? watchdog+0x1de/0xfe0
[ 445.051177][ T26] kthread+0x70e/0x8a0
[ 445.051193][ T26] ? __pfx_watchdog+0x10/0x10
[ 445.051207][ T26] ? __pfx_kthread+0x10/0x10
[ 445.051221][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 445.051235][ T26] ? lockdep_hardirqs_on+0x9c/0x150
[ 445.051249][ T26] ? __pfx_kthread+0x10/0x10
[ 445.051262][ T26] ret_from_fork+0x3fc/0x770
[ 445.051281][ T26] ? __pfx_ret_from_fork+0x10/0x10
[ 445.051296][ T26] ? __pfx_kthread+0x10/0x10
[ 445.051310][ T26] ret_from_fork_asm+0x1a/0x30
[ 445.051338][ T26]
[ 445.051345][ T26] Kernel panic - not syncing: hung_task: blocked tasks
[ 445.109998][ T26] CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 445.113639][ T26] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 445.117920][ T26] Call Trace:
[ 445.119181][ T26]
[ 445.120404][ T26] dump_stack_lvl+0x99/0x250
[ 445.122220][ T26] ? __asan_memcpy+0x40/0x70
[ 445.124002][ T26] ? __pfx_dump_stack_lvl+0x10/0x10
[ 445.126175][ T26] ? __pfx__printk+0x10/0x10
[ 445.128050][ T26] vpanic+0x281/0x750
[ 445.129753][ T26] ? __pfx_vpanic+0x10/0x10
[ 445.131607][ T26] ? nmi_cpu_backtrace+0x319/0x3d0
[ 445.133735][ T26] ? nmi_cpu_backtrace+0x386/0x3d0
[ 445.135807][ T26] panic+0xb9/0xc0
[ 445.137291][ T26] ? __pfx_panic+0x10/0x10
[ 445.139092][ T26] ? irq_work_queue+0xc3/0x140
[ 445.141140][ T26] ? nmi_trigger_cpumask_backtrace+0x234/0x300
[ 445.143683][ T26] watchdog+0xfd2/0xfe0
[ 445.145565][ T26] ? watchdog+0x1de/0xfe0
[ 445.147227][ T26] kthread+0x70e/0x8a0
[ 445.148848][ T26] ? __pfx_watchdog+0x10/0x10
[ 445.150753][ T26] ? __pfx_kthread+0x10/0x10
[ 445.152640][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 445.154790][ T26] ? lockdep_hardirqs_on+0x9c/0x150
[ 445.156913][ T26] ? __pfx_kthread+0x10/0x10
[ 445.158811][ T26] ret_from_fork+0x3fc/0x770
[ 445.160777][ T26] ? __pfx_ret_from_fork+0x10/0x10
[ 445.162786][ T26] ? __pfx_kthread+0x10/0x10
[ 445.164579][ T26] ret_from_fork_asm+0x1a/0x30
[ 445.166513][ T26]
[ 445.168036][ T26] Kernel Offset: disabled
[ 445.169851][ T26] Rebooting in 86400 seconds..
VM DIAGNOSIS:
07:22:33 Registers:
info registers vcpu 0
CPU#0
RAX=000000000000000a RBX=000000000000000a RCX=0000000000000000 RDX=00000000000003f8
RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f8 RSP=ffffc900004d76b0
R8 =ffff888033c90237 R9 =1ffff11006792046 R10=dffffc0000000000 R11=ffffffff8550d3c0
R12=dffffc0000000000 R13=ffffffff99b088f6 R14=ffffffff99dfd820 R15=0000000000000000
RIP=ffffffff8550d43c 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 =0000 0000000000000000 ffffffff 00c00000
DS =0000 0000000000000000 ffffffff 00c00000
FS =0000 0000000000000000 ffffffff 00c00000
GS =0000 ffff88808d20d000 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=00007f48f4c0b028 CR3=0000000059c4b000 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=00000000fc000000 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 00007ffd061a4b30 00007ffd061a4b10
ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffd061a4c70 00007ffd061a4af0
ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffd061a5a26 00007ffd061a5a2c
ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffd061a4b30
ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffd061a4c70
ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffd061a4c70 00007ffd061a4af0
ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffd061a4b30 00007ffd061a4b10
ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f48fdc12ee7
ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f48fdc12fc5
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 212938934a51f969 b90846fd543d5a9b 7c8ff4fecff007fd 671c6fcfddec9c78
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