Warning: Permanently added '10.128.1.121' (ED25519) to the list of known hosts.
2025/12/23 15:27:51 ignoring optional flag "type"="gce"
2025/12/23 15:27:51 parsed 1 programs
2025/12/23 15:27:51 executed programs: 0
[ 93.941134][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 93.949111][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 93.957483][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 93.965627][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 93.974013][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 94.112490][ T6024] chnl_net:caif_netlink_parms(): no params data found
[ 94.182940][ T6024] bridge0: port 1(bridge_slave_0) entered blocking state
[ 94.190196][ T6024] bridge0: port 1(bridge_slave_0) entered disabled state
[ 94.197555][ T6024] bridge_slave_0: entered allmulticast mode
[ 94.204686][ T6024] bridge_slave_0: entered promiscuous mode
[ 94.213352][ T6024] bridge0: port 2(bridge_slave_1) entered blocking state
[ 94.220642][ T6024] bridge0: port 2(bridge_slave_1) entered disabled state
[ 94.227919][ T6024] bridge_slave_1: entered allmulticast mode
[ 94.235271][ T6024] bridge_slave_1: entered promiscuous mode
[ 94.267458][ T6024] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 94.279244][ T6024] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 94.310303][ T6024] team0: Port device team_slave_0 added
[ 94.318296][ T6024] team0: Port device team_slave_1 added
[ 94.344442][ T6024] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 94.352056][ T6024] 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.
[ 94.378236][ T6024] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 94.390828][ T6024] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 94.397851][ T6024] 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.
[ 94.424300][ T6024] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 94.467198][ T6024] hsr_slave_0: entered promiscuous mode
[ 94.473699][ T6024] hsr_slave_1: entered promiscuous mode
[ 95.000054][ T6024] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 95.010527][ T6024] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 95.024472][ T6024] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 95.039232][ T6024] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 95.085674][ T6024] bridge0: port 2(bridge_slave_1) entered blocking state
[ 95.092906][ T6024] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 95.100457][ T6024] bridge0: port 1(bridge_slave_0) entered blocking state
[ 95.107673][ T6024] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 95.138206][ T3498] bridge0: port 1(bridge_slave_0) entered disabled state
[ 95.147896][ T3498] bridge0: port 2(bridge_slave_1) entered disabled state
[ 95.231164][ T6024] 8021q: adding VLAN 0 to HW filter on device bond0
[ 95.257549][ T6024] 8021q: adding VLAN 0 to HW filter on device team0
[ 95.277873][ T1627] bridge0: port 1(bridge_slave_0) entered blocking state
[ 95.285008][ T1627] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 95.304707][ T1627] bridge0: port 2(bridge_slave_1) entered blocking state
[ 95.312031][ T1627] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 95.589204][ T6024] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 95.662879][ T6024] veth0_vlan: entered promiscuous mode
[ 95.681834][ T6024] veth1_vlan: entered promiscuous mode
[ 95.725658][ T6024] veth0_macvtap: entered promiscuous mode
[ 95.739069][ T6024] veth1_macvtap: entered promiscuous mode
[ 95.765629][ T6024] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 95.783353][ T6024] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 95.802416][ T1304] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 95.821022][ T1304] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 95.858290][ T1304] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 95.878199][ T1304] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 95.978330][ T6085] nbd0: detected capacity change from 0 to 502
[ 96.017153][ T52] Bluetooth: hci0: command tx timeout
[ 96.751458][ T5149] block nbd0: Receive control failed (result -104)
[ 98.096645][ T5149] Bluetooth: hci0: command tx timeout
[ 100.176260][ T5149] Bluetooth: hci0: command tx timeout
[ 102.256247][ T5149] Bluetooth: hci0: command tx timeout
[ 126.498540][ T11] block nbd0: Possible stuck request ffff8880262f8000: control (read@0,4096B). Runtime 30 seconds
[ 132.901766][ T1299] ieee802154 phy0 wpan0: encryption failed: -22
[ 132.908299][ T1299] ieee802154 phy1 wpan1: encryption failed: -22
2025/12/23 15:28:50 executed programs: 1
[ 152.984290][ T52] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 152.992349][ T52] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 153.000322][ T52] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 153.008319][ T52] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 153.016073][ T52] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 153.158953][ T6223] chnl_net:caif_netlink_parms(): no params data found
[ 153.225545][ T6223] bridge0: port 1(bridge_slave_0) entered blocking state
[ 153.233082][ T6223] bridge0: port 1(bridge_slave_0) entered disabled state
[ 153.241033][ T6223] bridge_slave_0: entered allmulticast mode
[ 153.248326][ T6223] bridge_slave_0: entered promiscuous mode
[ 153.256946][ T6223] bridge0: port 2(bridge_slave_1) entered blocking state
[ 153.264113][ T6223] bridge0: port 2(bridge_slave_1) entered disabled state
[ 153.272611][ T6223] bridge_slave_1: entered allmulticast mode
[ 153.280272][ T6223] bridge_slave_1: entered promiscuous mode
[ 153.311434][ T6223] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 153.323291][ T6223] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 153.354067][ T6223] team0: Port device team_slave_0 added
[ 153.361885][ T6223] team0: Port device team_slave_1 added
[ 153.391936][ T6223] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 153.399735][ T6223] 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.
[ 153.426238][ T6223] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 153.438302][ T6223] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 153.445349][ T6223] 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.
[ 153.472815][ T6223] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 153.514408][ T6223] hsr_slave_0: entered promiscuous mode
[ 153.521102][ T6223] hsr_slave_1: entered promiscuous mode
[ 153.527587][ T6223] debugfs: 'hsr0' already exists in 'hsr'
[ 153.533408][ T6223] Cannot create hsr debugfs directory
[ 153.639600][ T6223] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 153.749640][ T6223] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 153.810274][ T6223] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 153.892618][ T6223] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 154.029694][ T6223] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 154.040191][ T6223] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 154.050357][ T6223] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 154.060208][ T6223] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 154.084835][ T6223] bridge0: port 2(bridge_slave_1) entered blocking state
[ 154.092166][ T6223] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 154.099644][ T6223] bridge0: port 1(bridge_slave_0) entered blocking state
[ 154.106818][ T6223] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 154.157038][ T6223] 8021q: adding VLAN 0 to HW filter on device bond0
[ 154.172984][ T60] bridge0: port 1(bridge_slave_0) entered disabled state
[ 154.181234][ T60] bridge0: port 2(bridge_slave_1) entered disabled state
[ 154.197901][ T6223] 8021q: adding VLAN 0 to HW filter on device team0
[ 154.210592][ T3498] bridge0: port 1(bridge_slave_0) entered blocking state
[ 154.217913][ T3498] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 154.231194][ T1304] bridge0: port 2(bridge_slave_1) entered blocking state
[ 154.238496][ T1304] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 154.403998][ T6223] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 154.447490][ T6223] veth0_vlan: entered promiscuous mode
[ 154.458724][ T6223] veth1_vlan: entered promiscuous mode
[ 154.488198][ T6223] veth0_macvtap: entered promiscuous mode
[ 154.498077][ T6223] veth1_macvtap: entered promiscuous mode
[ 154.517276][ T6223] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 154.533006][ T6223] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 154.548334][ T3498] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 154.558216][ T3498] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 154.568444][ T3498] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 154.577784][ T3498] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 155.056750][ T5149] Bluetooth: hci1: command tx timeout
[ 156.578679][ T11] block nbd0: Possible stuck request ffff8880262f8000: control (read@0,4096B). Runtime 60 seconds
[ 157.146545][ T5149] Bluetooth: hci1: command tx timeout
[ 157.647938][ T5199] udevd[5199]: worker [6025] /devices/virtual/block/nbd0 is taking a long time
[ 159.216260][ T5149] Bluetooth: hci1: command tx timeout
[ 161.296204][ T5149] Bluetooth: hci1: command tx timeout
[ 186.657312][ T25] block nbd0: Possible stuck request ffff8880262f8000: control (read@0,4096B). Runtime 90 seconds
[ 194.341105][ T1299] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.347779][ T1299] ieee802154 phy1 wpan1: encryption failed: -22
2025/12/23 15:29:48 executed programs: 2
[ 211.704767][ T52] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 211.713870][ T52] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 211.722054][ T52] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 211.730239][ T52] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 211.738876][ T52] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 211.894433][ T6253] chnl_net:caif_netlink_parms(): no params data found
[ 211.971753][ T6253] bridge0: port 1(bridge_slave_0) entered blocking state
[ 211.979331][ T6253] bridge0: port 1(bridge_slave_0) entered disabled state
[ 211.986725][ T6253] bridge_slave_0: entered allmulticast mode
[ 211.993944][ T6253] bridge_slave_0: entered promiscuous mode
[ 212.002568][ T6253] bridge0: port 2(bridge_slave_1) entered blocking state
[ 212.010606][ T6253] bridge0: port 2(bridge_slave_1) entered disabled state
[ 212.018926][ T6253] bridge_slave_1: entered allmulticast mode
[ 212.026252][ T6253] bridge_slave_1: entered promiscuous mode
[ 212.056250][ T6253] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 212.068477][ T6253] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 212.102059][ T6253] team0: Port device team_slave_0 added
[ 212.110459][ T6253] team0: Port device team_slave_1 added
[ 212.138944][ T6253] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 212.145951][ T6253] 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.
[ 212.174346][ T6253] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 212.186989][ T6253] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 212.193965][ T6253] 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.
[ 212.220795][ T6253] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 212.270121][ T6253] hsr_slave_0: entered promiscuous mode
[ 212.278052][ T6253] hsr_slave_1: entered promiscuous mode
[ 212.284467][ T6253] debugfs: 'hsr0' already exists in 'hsr'
[ 212.290780][ T6253] Cannot create hsr debugfs directory
[ 212.408009][ T6253] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 212.526220][ T6253] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 212.611996][ T6253] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 212.695061][ T6253] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 212.852056][ T6253] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 212.863263][ T6253] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 212.874213][ T6253] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 212.887361][ T6253] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 212.970461][ T6253] 8021q: adding VLAN 0 to HW filter on device bond0
[ 212.993636][ T6253] 8021q: adding VLAN 0 to HW filter on device team0
[ 213.006525][ T1627] bridge0: port 1(bridge_slave_0) entered blocking state
[ 213.014046][ T1627] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 213.028696][ T60] bridge0: port 2(bridge_slave_1) entered blocking state
[ 213.035840][ T60] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 213.209480][ T6253] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 213.260093][ T6253] veth0_vlan: entered promiscuous mode
[ 213.272590][ T6253] veth1_vlan: entered promiscuous mode
[ 213.301730][ T6253] veth0_macvtap: entered promiscuous mode
[ 213.312571][ T6253] veth1_macvtap: entered promiscuous mode
[ 213.333277][ T6253] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 213.348227][ T6253] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 213.363558][ T1627] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 213.373786][ T1627] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 213.384853][ T1627] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 213.394887][ T1627] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 213.786299][ T5149] Bluetooth: hci2: command tx timeout
[ 215.856251][ T52] Bluetooth: hci2: command tx timeout
[ 216.738425][ T25] block nbd0: Possible stuck request ffff8880262f8000: control (read@0,4096B). Runtime 120 seconds
[ 216.906275][ T5149] Bluetooth: hci0: command 0x0406 tx timeout
[ 217.936683][ T5149] Bluetooth: hci2: command tx timeout
[ 220.016325][ T5149] Bluetooth: hci2: command tx timeout
[ 246.826332][ T25] block nbd0: Possible stuck request ffff8880262f8000: control (read@0,4096B). Runtime 150 seconds
[ 253.856739][ T31] INFO: task syz-executor.0:6085 blocked for more than 143 seconds.
[ 253.865100][ T31] Not tainted syzkaller #0
[ 253.870853][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 253.880030][ T31] task:syz-executor.0 state:D stack:26976 pid:6085 tgid:6084 ppid:6024 task_flags:0x400140 flags:0x00080803
[ 253.893285][ T31] Call Trace:
[ 253.896694][ T31]
[ 253.899627][ T31] __schedule+0x150e/0x5070
[ 253.904259][ T31] ? __pfx___schedule+0x10/0x10
[ 253.910043][ T31] ? schedule+0x91/0x360
[ 253.914299][ T31] schedule+0x165/0x360
[ 253.918679][ T31] schedule_preempt_disabled+0x13/0x30
[ 253.924167][ T31] __mutex_lock+0x7e6/0x1350
[ 253.928937][ T31] ? __mutex_lock+0x5bb/0x1350
[ 253.934002][ T31] ? bdev_release+0x1a9/0x650
[ 253.939016][ T31] ? __pfx___mutex_lock+0x10/0x10
[ 253.944336][ T31] ? __asan_memset+0x22/0x50
[ 253.949008][ T31] ? __pfx___fsnotify_parent+0x10/0x10
[ 253.954500][ T31] ? do_raw_spin_lock+0x121/0x290
[ 253.959978][ T31] bdev_release+0x1a9/0x650
[ 253.964627][ T31] ? __pfx_blkdev_release+0x10/0x10
[ 253.969936][ T31] blkdev_release+0x15/0x20
[ 253.974550][ T31] __fput+0x44c/0xa70
[ 253.978926][ T31] task_work_run+0x1d4/0x260
[ 253.983542][ T31] ? __pfx_task_work_run+0x10/0x10
[ 253.988761][ T31] get_signal+0x11ec/0x1340
[ 253.993287][ T31] arch_do_signal_or_restart+0x9a/0x7a0
[ 253.998958][ T31] ? __pfx_task_work_add+0x10/0x10
[ 254.004178][ T31] ? __pfx_arch_do_signal_or_restart+0x10/0x10
[ 254.010801][ T31] ? __fput_deferred+0x215/0x390
[ 254.016523][ T31] ? exit_to_user_mode_loop+0x55/0x4f0
[ 254.022071][ T31] exit_to_user_mode_loop+0x87/0x4f0
[ 254.027751][ T31] ? rcu_is_watching+0x15/0xb0
[ 254.032614][ T31] do_syscall_64+0x2d0/0xf80
[ 254.037312][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 254.043478][ T31] ? clear_bhb_loop+0x60/0xb0
[ 254.048311][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 254.054211][ T31] RIP: 0033:0x7f1815e7ad39
[ 254.058826][ T31] RSP: 002b:00007f1816f510c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 254.067563][ T31] RAX: 0000000000000000 RBX: 00007f1815f9bf80 RCX: 00007f1815e7ad39
[ 254.075723][ T31] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 254.083938][ T31] RBP: 00007f1815ed7567 R08: 0000000000000000 R09: 0000000000000000
[ 254.092214][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 254.100302][ T31] R13: 000000000000000b R14: 00007f1815f9bf80 R15: 00007fff7e6724f8
[ 254.108463][ T31]
[ 254.111512][ T31]
[ 254.111512][ T31] Showing all locks held in the system:
[ 254.119420][ T31] 1 lock held by khungtaskd/31:
[ 254.124425][ T31] #0: ffffffff8e13f2e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 254.134580][ T31] 2 locks held by getty/5583:
[ 254.139307][ T31] #0: ffff888035c9f0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 254.149188][ T31] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x449/0x1460
[ 254.159361][ T31] 1 lock held by udevd/6025:
[ 254.164021][ T31] #0: ffff888026240358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[ 254.173856][ T31] 1 lock held by syz-executor.0/6085:
[ 254.179642][ T31] #0: ffff888026240358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1a9/0x650
[ 254.189429][ T31] 1 lock held by syz-executor.0/6243:
[ 254.194855][ T31] #0: ffff888026240358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[ 254.204478][ T31] 1 lock held by syz-executor.0/6272:
[ 254.210208][ T31] #0: ffff888026240358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[ 254.220296][ T31]
[ 254.222762][ T31] =============================================
[ 254.222762][ T31]
[ 254.231608][ T31] NMI backtrace for cpu 1
[ 254.231636][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 254.231652][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 254.231661][ T31] Call Trace:
[ 254.231671][ T31]
[ 254.231679][ T31] dump_stack_lvl+0x189/0x250
[ 254.231707][ T31] ? __pfx_dump_stack_lvl+0x10/0x10
[ 254.231724][ T31] ? __pfx__printk+0x10/0x10
[ 254.231751][ T31] nmi_cpu_backtrace+0x39e/0x3d0
[ 254.231771][ T31] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 254.231788][ T31] ? __pfx__printk+0x10/0x10
[ 254.231810][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 254.231834][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 254.231853][ T31] sys_info+0x135/0x170
[ 254.231865][ T31] watchdog+0xe40/0xe90
[ 254.231889][ T31] ? watchdog+0x202/0xe90
[ 254.231913][ T31] kthread+0x711/0x8a0
[ 254.231934][ T31] ? __pfx_watchdog+0x10/0x10
[ 254.231952][ T31] ? __pfx_kthread+0x10/0x10
[ 254.231970][ T31] ? _raw_spin_unlock_irq+0x23/0x50
[ 254.231990][ T31] ? lockdep_hardirqs_on+0x98/0x140
[ 254.232008][ T31] ? __pfx_kthread+0x10/0x10
[ 254.232026][ T31] ret_from_fork+0x599/0xb30
[ 254.232080][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 254.232102][ T31] ? __switch_to_asm+0x39/0x70
[ 254.232119][ T31] ? __switch_to_asm+0x33/0x70
[ 254.232138][ T31] ? __pfx_kthread+0x10/0x10
[ 254.232158][ T31] ret_from_fork_asm+0x1a/0x30
[ 254.232194][ T31]
[ 254.232200][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 254.386482][ C0] NMI backtrace for cpu 0
[ 254.386516][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full)
[ 254.386539][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 254.386548][ C0] RIP: 0010:pv_native_safe_halt+0x13/0x20
[ 254.386581][ C0] Code: cc cc cc cc 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 33 9e 2a 00 f3 0f 1e fa fb f4 48 ee 02 00 cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
[ 254.386609][ C0] RSP: 0018:ffffffff8de07d80 EFLAGS: 000002c6
[ 254.386625][ C0] RAX: 0a8469f186ddb100 RBX: ffffffff819786ba RCX: 0a8469f186ddb100
[ 254.386637][ C0] RDX: 0000000000000001 RSI: ffffffff8d997e54 RDI: ffffffff8be07960
[ 254.386652][ C0] RBP: ffffffff8de07ea8 R08: ffff8880b86336db R09: 1ffff110170c66db
[ 254.386664][ C0] R10: dffffc0000000000 R11: ffffed10170c66dc R12: ffffffff8fa22f70
[ 254.386675][ C0] R13: 1ffffffff1bd29b8 R14: 0000000000000000 R15: 0000000000000000
[ 254.386686][ C0] FS: 0000000000000000(0000) GS:ffff888125c25000(0000) knlGS:0000000000000000
[ 254.386698][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 254.386708][ C0] CR2: 000055aab0c46168 CR3: 000000000df38000 CR4: 00000000003526f0
[ 254.386726][ C0] Call Trace:
[ 254.386734][ C0]
[ 254.386740][ C0] default_idle+0x13/0x20
[ 254.386757][ C0] default_idle_call+0x73/0xb0
[ 254.386772][ C0] do_idle+0x1ea/0x520
[ 254.386793][ C0] ? irqentry_exit+0x5ba/0x660
[ 254.386824][ C0] ? __pfx_do_idle+0x10/0x10
[ 254.386847][ C0] cpu_startup_entry+0x44/0x60
[ 254.386865][ C0] rest_init+0x2de/0x300
[ 254.386881][ C0] start_kernel+0x3ac/0x400
[ 254.386915][ C0] x86_64_start_reservations+0x24/0x30
[ 254.386938][ C0] x86_64_start_kernel+0x143/0x1c0
[ 254.386960][ C0] common_startup_64+0x13e/0x147
[ 254.386992][ C0]
[ 254.387570][ T31] Kernel panic - not syncing: hung_task: blocked tasks
[ 254.387583][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 254.387602][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 254.387611][ T31] Call Trace:
[ 254.387618][ T31]
[ 254.387625][ T31] dump_stack_lvl+0x99/0x250
[ 254.387649][ T31] ? __asan_memcpy+0x40/0x70
[ 254.387667][ T31] ? __pfx_dump_stack_lvl+0x10/0x10
[ 254.387687][ T31] ? __pfx__printk+0x10/0x10
[ 254.387720][ T31] vpanic+0x237/0x6d0
[ 254.387740][ T31] ? __pfx_vpanic+0x10/0x10
[ 254.387767][ T31] ? preempt_schedule_common+0x83/0xd0
[ 254.387795][ T31] panic+0xb9/0xc0
[ 254.387814][ T31] ? __pfx_panic+0x10/0x10
[ 254.387834][ T31] ? preempt_schedule_thunk+0x16/0x30
[ 254.387856][ T31] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[ 254.387878][ T31] watchdog+0xe83/0xe90
[ 254.387907][ T31] ? watchdog+0x202/0xe90
[ 254.387935][ T31] kthread+0x711/0x8a0
[ 254.387959][ T31] ? __pfx_watchdog+0x10/0x10
[ 254.387980][ T31] ? __pfx_kthread+0x10/0x10
[ 254.388003][ T31] ? _raw_spin_unlock_irq+0x23/0x50
[ 254.388022][ T31] ? lockdep_hardirqs_on+0x98/0x140
[ 254.388042][ T31] ? __pfx_kthread+0x10/0x10
[ 254.388064][ T31] ret_from_fork+0x599/0xb30
[ 254.388084][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 254.388110][ T31] ? __switch_to_asm+0x39/0x70
[ 254.388129][ T31] ? __switch_to_asm+0x33/0x70
[ 254.388149][ T31] ? __pfx_kthread+0x10/0x10
[ 254.388171][ T31] ret_from_fork_asm+0x1a/0x30
[ 254.388206][ T31]
[ 254.732967][ T31] Kernel Offset: disabled
[ 254.737386][ T31] Rebooting in 86400 seconds..