Warning: Permanently added '10.128.1.246' (ED25519) to the list of known hosts. 1970/01/01 00:00:56 ignoring optional flag "type"="gce" 1970/01/01 00:00:56 parsed 1 programs [ 57.216584][ T4520] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 57.307351][ T4547] chnl_net:caif_netlink_parms(): no params data found [ 57.327589][ T4547] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.328776][ T4547] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.330522][ T4547] device bridge_slave_0 entered promiscuous mode [ 57.332529][ T4547] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.333666][ T4547] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.335153][ T4547] device bridge_slave_1 entered promiscuous mode [ 57.344133][ T4547] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.346508][ T4547] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.355514][ T4547] team0: Port device team_slave_0 added [ 57.357579][ T4547] team0: Port device team_slave_1 added [ 57.364683][ T4547] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.365820][ T4547] 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. [ 57.370061][ T4547] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.372230][ T4547] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.373290][ T4547] 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. [ 57.376802][ T4547] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.420272][ T4547] device hsr_slave_0 entered promiscuous mode [ 57.489279][ T4547] device hsr_slave_1 entered promiscuous mode [ 58.045459][ T4547] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.081009][ T4547] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.120518][ T4547] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.150728][ T4547] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.197364][ T4547] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.198524][ T4547] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.199821][ T4547] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.200915][ T4547] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.219556][ T4547] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.223751][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.225535][ T555] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.226971][ T555] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.229585][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 58.234058][ T4547] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.242238][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.243795][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.244920][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.246302][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.247799][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.248930][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.255637][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.257228][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.263568][ T4547] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.265198][ T4547] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.272586][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.274193][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.275579][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.277039][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.321242][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.322530][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.326732][ T4547] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.342042][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.343653][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.353173][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.354888][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.356879][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.358360][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.362568][ T4547] device veth0_vlan entered promiscuous mode [ 58.365952][ T4547] device veth1_vlan entered promiscuous mode [ 58.375841][ T4547] device veth0_macvtap entered promiscuous mode [ 58.378118][ T4547] device veth1_macvtap entered promiscuous mode [ 58.380837][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.382373][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.383773][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 58.385279][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 58.386700][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.393867][ T4547] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.396566][ T4547] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.398281][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.400977][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.402508][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.404024][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.405496][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.408464][ T4547] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.410722][ T4547] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.412111][ T4547] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.413495][ T4547] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.634476][ T360] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.833167][ T360] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.442411][ T360] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.484094][ T360] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.968980][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.970434][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.972674][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.989777][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.991021][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.992648][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:05 executed programs: 0 [ 65.227563][ T4903] chnl_net:caif_netlink_parms(): no params data found [ 65.252773][ T4903] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.253956][ T4903] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.255484][ T4903] device bridge_slave_0 entered promiscuous mode [ 65.263693][ T4903] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.264835][ T4903] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.266440][ T4903] device bridge_slave_1 entered promiscuous mode [ 65.278610][ T4903] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.282174][ T4903] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.291159][ T4903] team0: Port device team_slave_0 added [ 65.297367][ T4903] team0: Port device team_slave_1 added [ 65.306057][ T4903] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.307196][ T4903] 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. [ 65.311378][ T4903] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.313941][ T4903] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.314980][ T4903] 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. [ 65.318676][ T4903] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.370537][ T4903] device hsr_slave_0 entered promiscuous mode [ 65.399723][ T4903] device hsr_slave_1 entered promiscuous mode [ 65.439269][ T4903] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.440640][ T4903] Cannot create hsr debugfs directory [ 65.494492][ T360] device hsr_slave_0 left promiscuous mode [ 65.519534][ T360] device hsr_slave_1 left promiscuous mode [ 65.619226][ T360] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 65.620516][ T360] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 65.622001][ T360] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 65.623043][ T360] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 65.624412][ T360] device bridge_slave_1 left promiscuous mode [ 65.625399][ T360] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.659776][ T360] device bridge_slave_0 left promiscuous mode [ 65.660873][ T360] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.779278][ T360] device veth1_macvtap left promiscuous mode [ 65.780243][ T360] device veth0_macvtap left promiscuous mode [ 65.781170][ T360] device veth1_vlan left promiscuous mode [ 65.782034][ T360] device veth0_vlan left promiscuous mode [ 65.880918][ T360] team0 (unregistering): Port device team_slave_1 removed [ 65.885284][ T360] team0 (unregistering): Port device team_slave_0 removed [ 65.890745][ T360] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 65.944197][ T360] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 66.033730][ T360] bond0 (unregistering): Released all slaves [ 66.562659][ T4903] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.590503][ T4903] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.632069][ T4903] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.661490][ T4903] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.730456][ T4903] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.734730][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.736299][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.741049][ T4903] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.743678][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.745156][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.746457][ T555] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.747518][ T555] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.753348][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.761756][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.763482][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.764954][ T555] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.766041][ T555] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.767372][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.769855][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.776789][ T4903] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.778358][ T4903] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.782387][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.784190][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.785926][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.787466][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.788960][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.790610][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.792144][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.793647][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.797329][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.798800][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.845686][ T4903] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.847261][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.848516][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.879215][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.880813][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.884386][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.885942][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.887633][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.888965][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.893041][ T4903] device veth0_vlan entered promiscuous mode [ 66.897318][ T4903] device veth1_vlan entered promiscuous mode [ 66.906191][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.907655][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.911015][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.912593][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.915863][ T4903] device veth0_macvtap entered promiscuous mode [ 66.920754][ T4903] device veth1_macvtap entered promiscuous mode [ 66.926818][ T4903] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.928088][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.929591][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.930908][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.932333][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.936629][ T4903] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.937847][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.940448][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.944714][ T4903] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.945917][ T4903] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.947123][ T4903] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.948358][ T4903] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.994274][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.995525][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.997315][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.012692][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.013904][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.015572][ T555] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.053475][ T5035] loop0: detected capacity change from 0 to 64 [ 67.209526][ T4333] Bluetooth: hci0: command 0x0409 tx timeout [ 69.289344][ T4087] Bluetooth: hci0: command 0x041b tx timeout [ 69.611563][ T1542] cfg80211: failed to load regulatory.db [ 69.613418][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.614407][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.369207][ T4087] Bluetooth: hci0: command 0x040f tx timeout [ 73.449240][ T4330] Bluetooth: hci0: command 0x0419 tx timeout [ 131.059946][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 131.060975][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 189.449614][ T4330] Bluetooth: hci0: command 0x0406 tx timeout [ 192.499734][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 192.500776][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 212.969441][ T27] INFO: task syz-executor:4903 blocked for more than 143 seconds. [ 212.970683][ T27] Not tainted syzkaller #0 [ 212.971389][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 212.972679][ T27] task:syz-executor state:D stack: 0 pid: 4903 ppid: 1 flags:0x0000000d [ 212.973866][ T27] Call trace: [ 212.974322][ T27] __switch_to+0x2f4/0x558 [ 212.974952][ T27] __schedule+0xe08/0x1bf8 [ 212.975587][ T27] schedule+0x11c/0x1c8 [ 212.976179][ T27] io_schedule+0x84/0x160 [ 212.976799][ T27] bit_wait_io+0x1c/0xac [ 212.977453][ T27] __wait_on_bit_lock+0xb4/0x1ec [ 212.978173][ T27] out_of_line_wait_on_bit_lock+0x11c/0x168 [ 212.978991][ T27] __lock_buffer+0x80/0xc0 [ 212.979903][ T27] hfs_mdb_commit+0xa08/0x110c [ 212.980640][ T27] hfs_sync_fs+0x20/0x34 [ 212.981238][ T27] sync_filesystem+0xe8/0x218 [ 212.981935][ T27] generic_shutdown_super+0x70/0x2f0 [ 212.982677][ T27] kill_block_super+0x70/0xdc [ 212.983324][ T27] deactivate_locked_super+0xb8/0x13c [ 212.984107][ T27] deactivate_super+0xf8/0x118 [ 212.984764][ T27] cleanup_mnt+0x3a4/0x458 [ 212.985416][ T27] __cleanup_mnt+0x20/0x30 [ 212.986047][ T27] task_work_run+0x12c/0x1e0 [ 212.986665][ T27] do_notify_resume+0x24b4/0x3128 [ 212.987363][ T27] el0_svc+0xf0/0x1e0 [ 212.987899][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 212.988606][ T27] el0t_64_sync+0x1a0/0x1a4 [ 212.989322][ T27] [ 212.989322][ T27] Showing all locks held in the system: [ 212.990372][ T27] 1 lock held by khungtaskd/27: [ 212.991062][ T27] #0: ffff800014361520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 212.992470][ T27] 1 lock held by syslogd/3647: [ 212.993149][ T27] 1 lock held by klogd/3651: [ 212.993794][ T27] 2 locks held by getty/3805: [ 212.994452][ T27] #0: ffff0000d4c7c098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 212.995751][ T27] #1: ffff80001bd6e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 212.997243][ T27] 2 locks held by kworker/1:3/4087: [ 212.997966][ T27] #0: ffff0000c0021138 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 [ 212.999615][ T27] #1: ffff80001f237c00 ((work_completion)(&(&sbi->mdb_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 213.001393][ T27] 1 lock held by syz-executor/4903: [ 213.002071][ T27] #0: ffff0000d65e20e0 (&type->s_umount_key#49){+.+.}-{3:3}, at: deactivate_super+0xf0/0x118 [ 213.003510][ T27] [ 213.003832][ T27] ============================================= [ 213.003832][ T27] [ 213.005024][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 213.006019][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 213.007001][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.008324][ T27] Call trace: [ 213.008757][ T27] dump_backtrace+0x0/0x43c [ 213.009358][ T27] show_stack+0x2c/0x3c [ 213.009952][ T27] __dump_stack+0x30/0x40 [ 213.010569][ T27] dump_stack_lvl+0xf8/0x160 [ 213.011185][ T27] dump_stack+0x1c/0x5c [ 213.011807][ T27] panic+0x2e4/0x854 [ 213.012355][ T27] hung_task_panic+0x0/0x2c [ 213.012952][ T27] kthread+0x374/0x454 [ 213.013621][ T27] ret_from_fork+0x10/0x20 [ 213.014349][ T27] SMP: stopping secondary CPUs [ 213.015061][ T27] Kernel Offset: disabled [ 213.015657][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 213.016419][ T27] Memory Limit: none [ 213.262161][ T27] Rebooting in 86400 seconds..