Warning: Permanently added '10.128.0.217' (ED25519) to the list of known hosts. 1970/01/01 00:01:01 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:01 ignoring optional flag "type"="gce" 1970/01/01 00:01:01 parsed 1 programs [ 62.155745][ T4304] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:01:02 executed programs: 0 [ 62.290574][ T4315] chnl_net:caif_netlink_parms(): no params data found [ 62.323196][ T4315] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.325330][ T4315] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.327907][ T4315] device bridge_slave_0 entered promiscuous mode [ 62.331493][ T4315] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.333494][ T4315] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.337173][ T4315] device bridge_slave_1 entered promiscuous mode [ 62.351580][ T4315] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.356166][ T4315] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.374181][ T4315] team0: Port device team_slave_0 added [ 62.377743][ T4315] team0: Port device team_slave_1 added [ 62.399015][ T4315] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.400997][ T4315] 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. [ 62.409438][ T4315] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.414005][ T4315] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.416382][ T4315] 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. [ 62.423476][ T4315] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.486382][ T4315] device hsr_slave_0 entered promiscuous mode [ 62.504723][ T4315] device hsr_slave_1 entered promiscuous mode [ 63.170088][ T4315] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.236652][ T4315] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.257028][ T4315] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.306449][ T4315] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.406205][ T4315] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.412846][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.415788][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.420663][ T4315] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.428114][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.430785][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.433293][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.435322][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.439156][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.451090][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.453893][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.456742][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.458676][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.460973][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.464155][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.477314][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.480953][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.483797][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.487971][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.490918][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.493546][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.501691][ T4315] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.506965][ T4315] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.510159][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.512679][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.515834][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.596118][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.598397][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.606139][ T4315] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.620646][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.623499][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.637316][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.640102][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.643250][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.647669][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.651896][ T4315] device veth0_vlan entered promiscuous mode [ 63.661316][ T4315] device veth1_vlan entered promiscuous mode [ 63.675514][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.678372][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.681086][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.683860][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.690058][ T4315] device veth0_macvtap entered promiscuous mode [ 63.694106][ T4315] device veth1_macvtap entered promiscuous mode [ 63.708943][ T4315] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.711115][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.713716][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.716758][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.719887][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.727011][ T4315] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.730928][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.733692][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.738340][ T4315] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.740769][ T4315] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.743100][ T4315] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.749380][ T4315] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.803847][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.808050][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.811122][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.830963][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.833199][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.837907][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.093723][ T4425] loop0: detected capacity change from 0 to 32768 [ 64.225241][ T4063] Bluetooth: hci0: command 0x0409 tx timeout [ 66.294963][ T7] Bluetooth: hci0: command 0x041b tx timeout [ 68.384532][ T7] Bluetooth: hci0: command 0x040f tx timeout [ 69.656271][ T2057] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.658218][ T2057] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.454937][ T4044] Bluetooth: hci0: command 0x0419 tx timeout [ 74.784892][ T1534] cfg80211: failed to load regulatory.db 1970/01/01 00:01:33 executed programs: 1 [ 95.008644][ T4684] chnl_net:caif_netlink_parms(): no params data found [ 95.047555][ T4684] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.049679][ T4684] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.052299][ T4684] device bridge_slave_0 entered promiscuous mode [ 95.056539][ T4684] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.060666][ T4684] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.063776][ T4684] device bridge_slave_1 entered promiscuous mode [ 95.083373][ T4684] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.090465][ T4684] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 95.108839][ T4684] team0: Port device team_slave_0 added [ 95.112454][ T4684] team0: Port device team_slave_1 added [ 95.128801][ T4684] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 95.130857][ T4684] 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. [ 95.138269][ T4684] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 95.142473][ T4684] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 95.147270][ T4684] 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. [ 95.154288][ T4684] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 95.229924][ T4684] device hsr_slave_0 entered promiscuous mode [ 95.274700][ T4684] device hsr_slave_1 entered promiscuous mode [ 95.326975][ T4684] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 95.329381][ T4684] Cannot create hsr debugfs directory [ 95.401792][ T4684] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 95.462915][ T4684] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 95.522274][ T4684] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 95.597486][ T4684] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 95.763065][ T4684] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 95.816614][ T4684] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 95.856747][ T4684] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 95.897585][ T4684] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 95.961575][ T4684] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.963652][ T4684] bridge0: port 2(bridge_slave_1) entered forwarding state [ 95.965799][ T4684] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.967698][ T4684] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.018586][ T4684] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.030701][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 96.033549][ T1601] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.037561][ T1601] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.041616][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 96.051681][ T4684] 8021q: adding VLAN 0 to HW filter on device team0 [ 96.058088][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 96.060806][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 96.063310][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.065400][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.077741][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 96.080416][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 96.083536][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.085593][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.091103][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 96.108646][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 96.112039][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 96.116544][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 96.119234][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 96.121966][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 96.128430][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 96.131126][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 96.137385][ T4684] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 96.140824][ T4684] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 96.147609][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 96.150254][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 96.153348][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 96.242411][ T4684] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 96.247137][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 96.249350][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 96.264435][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 96.267460][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 96.282731][ T4684] device veth0_vlan entered promiscuous mode [ 96.285034][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 96.290116][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 96.293323][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 96.296875][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 96.303398][ T4684] device veth1_vlan entered promiscuous mode [ 96.322457][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 96.328825][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 96.331409][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 96.334099][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 96.341640][ T4684] device veth0_macvtap entered promiscuous mode [ 96.348992][ T4684] device veth1_macvtap entered promiscuous mode [ 96.359110][ T4684] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 96.362280][ T4684] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 96.369409][ T4684] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 96.371884][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 96.374699][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 96.377380][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 96.381392][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 96.391464][ T4684] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 96.398732][ T4684] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 96.408243][ T4684] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 96.412385][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 96.419670][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 96.431872][ T4684] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.437104][ T4684] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.441649][ T4684] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.449083][ T4684] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.510703][ T1601] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 96.512944][ T1601] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 96.516863][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 96.537460][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 96.539619][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 96.542592][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 96.944951][ T7] Bluetooth: hci1: command 0x0409 tx timeout 1970/01/01 00:01:38 executed programs: 8 [ 99.024633][ T13] Bluetooth: hci1: command 0x041b tx timeout [ 101.094878][ T13] Bluetooth: hci1: command 0x040f tx timeout [ 103.184446][ T4063] Bluetooth: hci1: command 0x0419 tx timeout 1970/01/01 00:01:44 executed programs: 23 1970/01/01 00:01:49 executed programs: 38 1970/01/01 00:01:54 executed programs: 53 1970/01/01 00:01:59 executed programs: 69 1970/01/01 00:02:04 executed programs: 84 1970/01/01 00:02:09 executed programs: 99 [ 131.096055][ T2057] ieee802154 phy0 wpan0: encryption failed: -22 [ 131.097816][ T2057] ieee802154 phy1 wpan1: encryption failed: -22 1970/01/01 00:02:14 executed programs: 114 1970/01/01 00:02:19 executed programs: 128 1970/01/01 00:02:24 executed programs: 143 1970/01/01 00:02:30 executed programs: 158 1970/01/01 00:02:35 executed programs: 174 1970/01/01 00:02:40 executed programs: 189 1970/01/01 00:02:45 executed programs: 204 1970/01/01 00:02:50 executed programs: 219 1970/01/01 00:02:55 executed programs: 234 1970/01/01 00:03:01 executed programs: 249 [ 184.374737][ T4063] Bluetooth: hci0: command 0x0406 tx timeout 1970/01/01 00:03:06 executed programs: 264 1970/01/01 00:03:11 executed programs: 279 [ 192.535508][ T2057] ieee802154 phy0 wpan0: encryption failed: -22 [ 192.537379][ T2057] ieee802154 phy1 wpan1: encryption failed: -22 1970/01/01 00:03:16 executed programs: 294 1970/01/01 00:03:21 executed programs: 307 1970/01/01 00:03:26 executed programs: 322 1970/01/01 00:03:31 executed programs: 337 1970/01/01 00:03:36 executed programs: 352 [ 220.214521][ T4063] Bluetooth: hci1: command 0x0406 tx timeout 1970/01/01 00:03:42 executed programs: 368 [ 223.894466][ T27] INFO: task kworker/u4:3:153 blocked for more than 143 seconds. [ 223.896785][ T27] Not tainted 5.15.181-syzkaller #0 [ 223.898298][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 223.900597][ T27] task:kworker/u4:3 state:D stack: 0 pid: 153 ppid: 2 flags:0x00000008 [ 223.903660][ T27] Workqueue: writeback wb_workfn (flush-7:0) [ 223.916223][ T27] Call trace: [ 223.917167][ T27] __switch_to+0x2f4/0x558 [ 223.918370][ T27] __schedule+0xe00/0x1c0c [ 223.919663][ T27] schedule+0x11c/0x1c8 [ 223.920785][ T27] schedule_preempt_disabled+0x18/0x2c [ 223.922270][ T27] __mutex_lock_common+0xa9c/0x1edc [ 223.923673][ T27] mutex_lock_nested+0xac/0x11c [ 223.930650][ T27] jfs_commit_inode+0x19c/0x498 [ 223.932004][ T27] jfs_write_inode+0x128/0x1f8 [ 223.933356][ T27] __writeback_single_inode+0x560/0x11f0 [ 223.934990][ T27] writeback_sb_inodes+0x7fc/0x1378 [ 223.936428][ T27] __writeback_inodes_wb+0x110/0x394 [ 223.937905][ T27] wb_writeback+0x3ec/0xe44 [ 223.939136][ T27] wb_workfn+0xa7c/0xdd8 [ 223.940331][ T27] process_one_work+0x79c/0x1140 [ 223.941644][ T27] worker_thread+0x8f4/0x101c [ 223.942959][ T27] kthread+0x374/0x454 [ 223.944088][ T27] ret_from_fork+0x10/0x20 [ 223.953394][ T27] [ 223.953394][ T27] Showing all locks held in the system: [ 223.955963][ T27] 1 lock held by khungtaskd/27: [ 223.957338][ T27] #0: ffff8000143211e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 223.960015][ T27] 4 locks held by kworker/u4:3/153: [ 223.961436][ T27] #0: ffff0000c21d8138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 [ 223.965040][ T27] #1: ffff80001be77c00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 223.968315][ T27] #2: ffff0000ddc0c0e0 (&type->s_umount_key#49){.+.+}-{3:3}, at: trylock_super+0x24/0xf4 [ 223.970907][ T27] #3: ffff0000e244b008 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: jfs_commit_inode+0x19c/0x498 [ 223.973674][ T27] 2 locks held by getty/3793: [ 223.975531][ T27] #0: ffff0000d3453098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 223.978122][ T27] #1: ffff80001b7802e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 223.980788][ T27] 4 locks held by syz-executor.0/4425: [ 223.982213][ T27] 2 locks held by syz-executor.0/5454: [ 223.983621][ T27] [ 223.984290][ T27] ============================================= [ 223.984290][ T27] [ 223.990043][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 223.991840][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.181-syzkaller #0 [ 223.993944][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 223.996714][ T27] Call trace: [ 223.997573][ T27] dump_backtrace+0x0/0x43c [ 223.998792][ T27] show_stack+0x2c/0x3c [ 223.999931][ T27] __dump_stack+0x30/0x40 [ 224.001054][ T27] dump_stack_lvl+0xf8/0x160 [ 224.002218][ T27] dump_stack+0x1c/0x5c [ 224.003341][ T27] panic+0x2e4/0x854 [ 224.004344][ T27] hung_task_panic+0x0/0x2c [ 224.005555][ T27] kthread+0x374/0x454 [ 224.006679][ T27] ret_from_fork+0x10/0x20 [ 224.007837][ T27] SMP: stopping secondary CPUs [ 224.009175][ T27] Kernel Offset: disabled [ 224.010377][ T27] CPU features: 0x8,000081c1,21302e40 [ 224.011838][ T27] Memory Limit: none [ 224.361659][ T27] Rebooting in 86400 seconds..