Warning: Permanently added '10.128.1.63' (ED25519) to the list of known hosts. 2025/10/05 04:31:36 ignoring optional flag "type"="gce" 2025/10/05 04:31:36 parsed 1 programs 2025/10/05 04:31:38 executed programs: 0 [ 109.098534][ T6030] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 109.164358][ T5156] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 109.171907][ T5156] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 109.179607][ T5156] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 109.187909][ T5156] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 109.195913][ T5156] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 109.381185][ T6035] chnl_net:caif_netlink_parms(): no params data found [ 109.474616][ T6035] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.481751][ T6035] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.489547][ T6035] bridge_slave_0: entered allmulticast mode [ 109.498071][ T6035] bridge_slave_0: entered promiscuous mode [ 109.506632][ T6035] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.513848][ T6035] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.520981][ T6035] bridge_slave_1: entered allmulticast mode [ 109.528702][ T6035] bridge_slave_1: entered promiscuous mode [ 109.565816][ T6035] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 109.578014][ T6035] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 109.616025][ T6035] team0: Port device team_slave_0 added [ 109.624603][ T6035] team0: Port device team_slave_1 added [ 109.660713][ T6035] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 109.668043][ T6035] 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. [ 109.694104][ T6035] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 109.706332][ T6035] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 109.713360][ T6035] 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. [ 109.739276][ T6035] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 109.792176][ T6035] hsr_slave_0: entered promiscuous mode [ 109.798965][ T6035] hsr_slave_1: entered promiscuous mode [ 110.265383][ T6035] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 110.277574][ T6035] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 110.289285][ T6035] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 110.302909][ T6035] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 110.341278][ T6035] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.348485][ T6035] bridge0: port 2(bridge_slave_1) entered forwarding state [ 110.356125][ T6035] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.363313][ T6035] bridge0: port 1(bridge_slave_0) entered forwarding state [ 110.411868][ T3023] bridge0: port 1(bridge_slave_0) entered disabled state [ 110.423070][ T3023] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.482297][ T6035] 8021q: adding VLAN 0 to HW filter on device bond0 [ 110.514372][ T6035] 8021q: adding VLAN 0 to HW filter on device team0 [ 110.527801][ T62] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.534974][ T62] bridge0: port 1(bridge_slave_0) entered forwarding state [ 110.552151][ T62] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.559349][ T62] bridge0: port 2(bridge_slave_1) entered forwarding state [ 110.852378][ T6035] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 110.915241][ T6035] veth0_vlan: entered promiscuous mode [ 110.929563][ T6035] veth1_vlan: entered promiscuous mode [ 110.977538][ T6035] veth0_macvtap: entered promiscuous mode [ 110.989574][ T6035] veth1_macvtap: entered promiscuous mode [ 111.015694][ T6035] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 111.036036][ T6035] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 111.058114][ T62] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.075084][ T62] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.096236][ T62] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.105664][ T62] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.214172][ T6085] nbd0: detected capacity change from 0 to 121732 [ 111.284370][ T5846] Bluetooth: hci0: command tx timeout [ 112.001907][ T5156] block nbd0: Receive control failed (result -104) [ 113.363699][ T5156] Bluetooth: hci0: command tx timeout [ 115.443813][ T5156] Bluetooth: hci0: command tx timeout [ 117.523509][ T5156] Bluetooth: hci0: command tx timeout [ 132.167255][ T1295] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.173810][ T1295] ieee802154 phy1 wpan1: encryption failed: -22 [ 141.765843][ T120] block nbd0: Possible stuck request ffff888024cb5080: control (read@0,4096B). Runtime 30 seconds 2025/10/05 04:32:35 executed programs: 1 [ 167.204446][ T5846] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 167.212135][ T5846] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 167.219888][ T5846] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 167.228007][ T5846] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 167.235860][ T5846] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 167.423859][ T6233] chnl_net:caif_netlink_parms(): no params data found [ 167.515072][ T6233] bridge0: port 1(bridge_slave_0) entered blocking state [ 167.522201][ T6233] bridge0: port 1(bridge_slave_0) entered disabled state [ 167.529772][ T6233] bridge_slave_0: entered allmulticast mode [ 167.537621][ T6233] bridge_slave_0: entered promiscuous mode [ 167.546031][ T6233] bridge0: port 2(bridge_slave_1) entered blocking state [ 167.553163][ T6233] bridge0: port 2(bridge_slave_1) entered disabled state [ 167.560393][ T6233] bridge_slave_1: entered allmulticast mode [ 167.567913][ T6233] bridge_slave_1: entered promiscuous mode [ 167.607128][ T6233] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 167.620007][ T6233] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 167.658560][ T6233] team0: Port device team_slave_0 added [ 167.667037][ T6233] team0: Port device team_slave_1 added [ 167.702149][ T6233] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 167.709182][ T6233] 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. [ 167.735633][ T6233] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 167.748174][ T6233] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 167.755167][ T6233] 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. [ 167.781084][ T6233] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 167.833106][ T6233] hsr_slave_0: entered promiscuous mode [ 167.839633][ T6233] hsr_slave_1: entered promiscuous mode [ 167.846507][ T6233] debugfs: 'hsr0' already exists in 'hsr' [ 167.852291][ T6233] Cannot create hsr debugfs directory [ 167.982363][ T6233] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 168.037317][ T6233] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 168.088921][ T6233] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 168.168694][ T6233] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 168.306348][ T6233] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 168.324368][ T6233] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 168.335025][ T6233] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 168.346934][ T6233] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 168.376657][ T6233] bridge0: port 2(bridge_slave_1) entered blocking state [ 168.383817][ T6233] bridge0: port 2(bridge_slave_1) entered forwarding state [ 168.391253][ T6233] bridge0: port 1(bridge_slave_0) entered blocking state [ 168.398466][ T6233] bridge0: port 1(bridge_slave_0) entered forwarding state [ 168.409124][ T3023] bridge0: port 1(bridge_slave_0) entered disabled state [ 168.416997][ T3023] bridge0: port 2(bridge_slave_1) entered disabled state [ 168.478546][ T6233] 8021q: adding VLAN 0 to HW filter on device bond0 [ 168.501900][ T6233] 8021q: adding VLAN 0 to HW filter on device team0 [ 168.514696][ T1101] bridge0: port 1(bridge_slave_0) entered blocking state [ 168.521823][ T1101] bridge0: port 1(bridge_slave_0) entered forwarding state [ 168.537182][ T3023] bridge0: port 2(bridge_slave_1) entered blocking state [ 168.544349][ T3023] bridge0: port 2(bridge_slave_1) entered forwarding state [ 168.748212][ T6233] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 168.799574][ T6233] veth0_vlan: entered promiscuous mode [ 168.811962][ T6233] veth1_vlan: entered promiscuous mode [ 168.843045][ T6233] veth0_macvtap: entered promiscuous mode [ 168.852670][ T6233] veth1_macvtap: entered promiscuous mode [ 168.872807][ T6233] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 168.888912][ T6233] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 168.902731][ T1101] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 168.911709][ T1101] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 168.920967][ T1101] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 168.930925][ T1101] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 169.294017][ T5846] Bluetooth: hci1: command tx timeout [ 171.363677][ T5846] Bluetooth: hci1: command tx timeout [ 171.844110][ T120] block nbd0: Possible stuck request ffff888024cb5080: control (read@0,4096B). Runtime 60 seconds [ 171.989102][ T5206] udevd[5206]: worker [6044] /devices/virtual/block/nbd0 is taking a long time [ 173.443632][ T5846] Bluetooth: hci1: command tx timeout [ 175.523531][ T5846] Bluetooth: hci1: command tx timeout [ 193.606985][ T1295] ieee802154 phy0 wpan0: encryption failed: -22 [ 193.613406][ T1295] ieee802154 phy1 wpan1: encryption failed: -22 [ 201.925520][ T56] block nbd0: Possible stuck request ffff888024cb5080: control (read@0,4096B). Runtime 90 seconds 2025/10/05 04:33:33 executed programs: 2 [ 225.030511][ T5156] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 225.038347][ T5156] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 225.046185][ T5156] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 225.054881][ T5156] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 225.062703][ T5156] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 225.255868][ T6262] chnl_net:caif_netlink_parms(): no params data found [ 225.352173][ T6262] bridge0: port 1(bridge_slave_0) entered blocking state [ 225.359819][ T6262] bridge0: port 1(bridge_slave_0) entered disabled state [ 225.367660][ T6262] bridge_slave_0: entered allmulticast mode [ 225.375407][ T6262] bridge_slave_0: entered promiscuous mode [ 225.383835][ T6262] bridge0: port 2(bridge_slave_1) entered blocking state [ 225.390974][ T6262] bridge0: port 2(bridge_slave_1) entered disabled state [ 225.398405][ T6262] bridge_slave_1: entered allmulticast mode [ 225.406139][ T6262] bridge_slave_1: entered promiscuous mode [ 225.442595][ T6262] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 225.456903][ T6262] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 225.496460][ T6262] team0: Port device team_slave_0 added [ 225.506500][ T6262] team0: Port device team_slave_1 added [ 225.544022][ T6262] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 225.550986][ T6262] 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. [ 225.577016][ T6262] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 225.589678][ T6262] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 225.596733][ T6262] 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. [ 225.623173][ T6262] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 225.676332][ T6262] hsr_slave_0: entered promiscuous mode [ 225.682871][ T6262] hsr_slave_1: entered promiscuous mode [ 225.689554][ T6262] debugfs: 'hsr0' already exists in 'hsr' [ 225.695354][ T6262] Cannot create hsr debugfs directory [ 225.828697][ T6262] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 225.908140][ T6262] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 225.997633][ T6262] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 226.079367][ T6262] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 226.195882][ T6262] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 226.206310][ T6262] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 226.216927][ T6262] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 226.227288][ T6262] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 226.314656][ T6262] 8021q: adding VLAN 0 to HW filter on device bond0 [ 226.335608][ T6262] 8021q: adding VLAN 0 to HW filter on device team0 [ 226.350083][ T1101] bridge0: port 1(bridge_slave_0) entered blocking state [ 226.357293][ T1101] bridge0: port 1(bridge_slave_0) entered forwarding state [ 226.373809][ T768] bridge0: port 2(bridge_slave_1) entered blocking state [ 226.380936][ T768] bridge0: port 2(bridge_slave_1) entered forwarding state [ 226.592465][ T6262] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 226.638845][ T6262] veth0_vlan: entered promiscuous mode [ 226.651078][ T6262] veth1_vlan: entered promiscuous mode [ 226.684535][ T6262] veth0_macvtap: entered promiscuous mode [ 226.695397][ T6262] veth1_macvtap: entered promiscuous mode [ 226.716396][ T6262] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 226.731122][ T6262] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 226.746887][ T62] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 226.756559][ T62] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 226.766312][ T62] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 226.775550][ T62] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 227.123485][ T5846] Bluetooth: hci2: command tx timeout [ 229.203475][ T5846] Bluetooth: hci2: command tx timeout [ 231.283538][ T5156] Bluetooth: hci2: command tx timeout [ 231.523511][ T5156] Bluetooth: hci0: command 0x0406 tx timeout [ 232.005251][ T120] block nbd0: Possible stuck request ffff888024cb5080: control (read@0,4096B). Runtime 120 seconds [ 233.363426][ T5846] Bluetooth: hci2: command tx timeout [ 255.048886][ T1295] ieee802154 phy0 wpan0: encryption failed: -22 [ 255.055318][ T1295] ieee802154 phy1 wpan1: encryption failed: -22 [ 262.083845][ T56] block nbd0: Possible stuck request ffff888024cb5080: control (read@0,4096B). Runtime 150 seconds [ 265.283917][ T31] INFO: task syz-executor.0:6085 blocked for more than 143 seconds. [ 265.291960][ T31] Not tainted syzkaller #0 [ 265.297646][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 265.306371][ T31] task:syz-executor.0 state:D stack:26936 pid:6085 tgid:6084 ppid:6035 task_flags:0x400140 flags:0x00080003 [ 265.318417][ T31] Call Trace: [ 265.321697][ T31] [ 265.324673][ T31] __schedule+0x1798/0x4cc0 [ 265.329225][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 265.335065][ T31] ? __lock_acquire+0xab9/0xd20 [ 265.339942][ T31] ? __lock_acquire+0xab9/0xd20 [ 265.344826][ T31] ? __pfx___schedule+0x10/0x10 [ 265.349797][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 265.355476][ T31] ? schedule+0x91/0x360 [ 265.359764][ T31] schedule+0x165/0x360 [ 265.363969][ T31] schedule_preempt_disabled+0x13/0x30 [ 265.369442][ T31] __mutex_lock+0x7e6/0x1350 [ 265.374333][ T31] ? __mutex_lock+0x5bb/0x1350 [ 265.379140][ T31] ? bdev_release+0x1a9/0x650 [ 265.383977][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 265.389009][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 265.394742][ T31] ? __asan_memset+0x22/0x50 [ 265.399473][ T31] ? __pfx___fsnotify_parent+0x10/0x10 [ 265.405004][ T31] ? do_raw_spin_lock+0x121/0x290 [ 265.410084][ T31] bdev_release+0x1a9/0x650 [ 265.414656][ T31] ? __pfx_blkdev_release+0x10/0x10 [ 265.419879][ T31] blkdev_release+0x15/0x20 [ 265.424454][ T31] __fput+0x44c/0xa70 [ 265.428541][ T31] task_work_run+0x1d4/0x260 [ 265.433133][ T31] ? __pfx_task_work_run+0x10/0x10 [ 265.438307][ T31] get_signal+0x11ec/0x1340 [ 265.442843][ T31] arch_do_signal_or_restart+0xa0/0x790 [ 265.448530][ T31] ? __pfx_task_work_add+0x10/0x10 [ 265.453688][ T31] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 265.459848][ T31] ? __pfx_blkdev_ioctl+0x10/0x10 [ 265.464936][ T31] ? __fget_files+0x2a/0x420 [ 265.469574][ T31] ? exit_to_user_mode_loop+0x40/0x130 [ 265.475137][ T31] exit_to_user_mode_loop+0x72/0x130 [ 265.480443][ T31] do_syscall_64+0x2bd/0x3b0 [ 265.485070][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 265.490282][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 265.496471][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 265.502119][ T31] ? exc_page_fault+0x9f/0xf0 [ 265.506974][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 265.512884][ T31] RIP: 0033:0x7f411f07cba9 [ 265.517342][ T31] RSP: 002b:00007f411fd0f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 265.525914][ T31] RAX: 0000000000000000 RBX: 00007f411f19bf80 RCX: 00007f411f07cba9 [ 265.533956][ T31] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 265.541931][ T31] RBP: 00007f411f0c847a R08: 0000000000000000 R09: 0000000000000000 [ 265.549963][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.558093][ T31] R13: 000000000000000b R14: 00007f411f19bf80 R15: 00007ffd96fa5a68 [ 265.566104][ T31] [ 265.569130][ T31] [ 265.569130][ T31] Showing all locks held in the system: [ 265.576896][ T31] 1 lock held by khungtaskd/31: [ 265.581775][ T31] #0: ffffffff8dd3b220 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 265.591702][ T31] 2 locks held by getty/5598: [ 265.596410][ T31] #0: ffff88814d5b70a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 265.606219][ T31] #1: ffffc900036bb2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400 [ 265.616457][ T31] 1 lock held by udevd/6044: [ 265.621077][ T31] #0: ffff888024c5a358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30 [ 265.630542][ T31] 1 lock held by syz-executor.0/6085: [ 265.635935][ T31] #0: ffff888024c5a358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1a9/0x650 [ 265.645677][ T31] 1 lock held by syz-executor.0/6253: [ 265.651065][ T31] #0: ffff888024c5a358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30 [ 265.660394][ T31] 1 lock held by syz-executor.0/6281: [ 265.665812][ T31] #0: ffff888024c5a358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30 [ 265.675221][ T31] [ 265.677562][ T31] ============================================= [ 265.677562][ T31] [ 265.686171][ T31] NMI backtrace for cpu 1 [ 265.686188][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 265.686215][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 265.686229][ T31] Call Trace: [ 265.686238][ T31] [ 265.686248][ T31] dump_stack_lvl+0x189/0x250 [ 265.686287][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 265.686318][ T31] ? __pfx__printk+0x10/0x10 [ 265.686406][ T31] nmi_cpu_backtrace+0x39e/0x3d0 [ 265.686446][ T31] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 265.686483][ T31] ? __pfx__printk+0x10/0x10 [ 265.686517][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 265.686553][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 265.686597][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x300 [ 265.686637][ T31] watchdog+0xf60/0xfa0 [ 265.686666][ T31] ? watchdog+0x1e2/0xfa0 [ 265.686694][ T31] kthread+0x711/0x8a0 [ 265.686733][ T31] ? __pfx_watchdog+0x10/0x10 [ 265.686756][ T31] ? __pfx_kthread+0x10/0x10 [ 265.686787][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 265.686820][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 265.686858][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 265.686887][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 265.686909][ T31] ? __pfx_kthread+0x10/0x10 [ 265.686945][ T31] ret_from_fork+0x439/0x7d0 [ 265.686974][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 265.687005][ T31] ? __switch_to_asm+0x39/0x70 [ 265.687037][ T31] ? __switch_to_asm+0x33/0x70 [ 265.687067][ T31] ? __pfx_kthread+0x10/0x10 [ 265.687101][ T31] ret_from_fork_asm+0x1a/0x30 [ 265.687151][ T31] [ 265.687160][ T31] Sending NMI from CPU 1 to CPUs 0: [ 265.849508][ C0] NMI backtrace for cpu 0 [ 265.849527][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 265.849550][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 265.849564][ C0] RIP: 0010:pv_native_safe_halt+0x13/0x20 [ 265.849604][ C0] Code: 9e 17 d8 f5 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 93 fc 0f 00 f3 0f 1e fa fb f4 73 17 d8 f5 cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 [ 265.849622][ C0] RSP: 0018:ffffffff8da07d80 EFLAGS: 000002c2 [ 265.849646][ C0] RAX: afd13715824da600 RBX: ffffffff81952927 RCX: afd13715824da600 [ 265.849663][ C0] RDX: 0000000000000001 RSI: ffffffff8d51553d RDI: ffffffff8b9ee960 [ 265.849679][ C0] RBP: ffffffff8da07eb8 R08: ffff8880b8832fdb R09: 1ffff110171065fb [ 265.849696][ C0] R10: dffffc0000000000 R11: ffffed10171065fc R12: ffffffff8f5c2230 [ 265.849712][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffffffff1b52a40 [ 265.849729][ C0] FS: 0000000000000000(0000) GS:ffff888126378000(0000) knlGS:0000000000000000 [ 265.849747][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.849762][ C0] CR2: 000055627089a168 CR3: 000000000db36000 CR4: 0000000000350ef0 [ 265.849779][ C0] Call Trace: [ 265.849787][ C0] [ 265.849795][ C0] default_idle+0x13/0x20 [ 265.849820][ C0] default_idle_call+0x73/0xb0 [ 265.849846][ C0] do_idle+0x1e7/0x510 [ 265.849875][ C0] ? __pfx_do_idle+0x10/0x10 [ 265.849912][ C0] cpu_startup_entry+0x44/0x60 [ 265.849936][ C0] rest_init+0x2de/0x300 [ 265.849963][ C0] start_kernel+0x3ae/0x410 [ 265.849993][ C0] x86_64_start_reservations+0x24/0x30 [ 265.850028][ C0] x86_64_start_kernel+0x143/0x1c0 [ 265.850062][ C0] common_startup_64+0x13e/0x147 [ 265.850102][ C0] [ 265.850550][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 266.031546][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 266.040637][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 266.050934][ T31] Call Trace: [ 266.054281][ T31] [ 266.057194][ T31] dump_stack_lvl+0x99/0x250 [ 266.061774][ T31] ? __asan_memcpy+0x40/0x70 [ 266.066349][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 266.071538][ T31] ? __pfx__printk+0x10/0x10 [ 266.076130][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 266.081752][ T31] vpanic+0x237/0x6d0 [ 266.085727][ T31] ? __pfx_vpanic+0x10/0x10 [ 266.090218][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 266.095835][ T31] ? preempt_schedule_common+0x83/0xd0 [ 266.101292][ T31] panic+0xb9/0xc0 [ 266.105011][ T31] ? __pfx_panic+0x10/0x10 [ 266.109420][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 266.115035][ T31] ? preempt_schedule_thunk+0x16/0x30 [ 266.120409][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 266.126028][ T31] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300 [ 266.132178][ T31] watchdog+0xf9f/0xfa0 [ 266.136325][ T31] ? watchdog+0x1e2/0xfa0 [ 266.140640][ T31] kthread+0x711/0x8a0 [ 266.144703][ T31] ? __pfx_watchdog+0x10/0x10 [ 266.149361][ T31] ? __pfx_kthread+0x10/0x10 [ 266.153942][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 266.159567][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 266.164765][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 266.170409][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 266.175679][ T31] ? __pfx_kthread+0x10/0x10 [ 266.180261][ T31] ret_from_fork+0x439/0x7d0 [ 266.184841][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 266.189940][ T31] ? __switch_to_asm+0x39/0x70 [ 266.194692][ T31] ? __switch_to_asm+0x33/0x70 [ 266.199484][ T31] ? __pfx_kthread+0x10/0x10 [ 266.204066][ T31] ret_from_fork_asm+0x1a/0x30 [ 266.208836][ T31] [ 266.212317][ T31] Kernel Offset: disabled [ 266.216640][ T31] Rebooting in 86400 seconds..