[ 91.102792][ T5263] 8021q: adding VLAN 0 to HW filter on device eth4
Warning: Permanently added '10.128.0.127' (ED25519) to the list of known hosts.
2026/11/04 15:39:40 ignoring optional flag "type"="gce"
2026/11/04 15:39:40 parsed 1 programs
2026/11/04 15:39:40 executed programs: 0
[ 96.689848][ T61] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 96.692049][ T61] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 96.692802][ T61] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 96.694080][ T61] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 96.694775][ T61] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 97.437118][ T5770] bridge0: port 1(bridge_slave_0) entered blocking state
[ 97.437272][ T5770] bridge0: port 1(bridge_slave_0) entered disabled state
[ 97.437375][ T5770] bridge_slave_0: entered allmulticast mode
[ 97.438621][ T5770] bridge_slave_0: entered promiscuous mode
[ 97.441643][ T5770] bridge0: port 2(bridge_slave_1) entered blocking state
[ 97.441716][ T5770] bridge0: port 2(bridge_slave_1) entered disabled state
[ 97.441807][ T5770] bridge_slave_1: entered allmulticast mode
[ 97.443154][ T5770] bridge_slave_1: entered promiscuous mode
[ 97.582063][ T5770] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 97.584643][ T5770] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 97.738386][ T5770] team0: Port device team_slave_0 added
[ 97.740425][ T5770] team0: Port device team_slave_1 added
[ 97.887572][ T5770] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 97.887590][ T5770] 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.
[ 97.887605][ T5770] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 97.889072][ T5770] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 97.889085][ T5770] 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.
[ 97.889105][ T5770] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 98.062107][ T5770] hsr_slave_0: entered promiscuous mode
[ 98.062823][ T5770] hsr_slave_1: entered promiscuous mode
[ 98.865655][ T61] Bluetooth: hci0: command tx timeout
[ 100.088864][ T5770] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 100.130760][ T5770] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 100.134001][ T5770] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 100.170605][ T5770] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 100.171621][ T5770] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 100.282486][ T5770] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 100.304075][ T5770] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 100.372090][ T5770] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 100.607731][ T5770] 8021q: adding VLAN 0 to HW filter on device bond0
[ 100.653301][ T5770] 8021q: adding VLAN 0 to HW filter on device team0
[ 100.668461][ T164] bridge0: port 1(bridge_slave_0) entered blocking state
[ 100.668692][ T164] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 100.687926][ T164] bridge0: port 2(bridge_slave_1) entered blocking state
[ 100.688123][ T164] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 100.956943][ T61] Bluetooth: hci0: command tx timeout
[ 101.295829][ T5770] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 101.388248][ T5770] veth0_vlan: entered promiscuous mode
[ 101.412337][ T5770] veth1_vlan: entered promiscuous mode
[ 101.499817][ T5770] veth0_macvtap: entered promiscuous mode
[ 101.514795][ T5770] veth1_macvtap: entered promiscuous mode
[ 101.590059][ T5770] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 101.611053][ T5770] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 101.945667][ T164] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 101.956399][ T164] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 101.956486][ T164] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 101.956521][ T164] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 102.121379][ T5902] nbd0: detected capacity change from 0 to 126
[ 102.884704][ T61] block nbd0: Receive control failed (result -104)
[ 103.036888][ T61] Bluetooth: hci0: command tx timeout
[ 105.105743][ T61] Bluetooth: hci0: command tx timeout
[ 132.425861][ T11] block nbd0: Possible stuck request ffff888027f15080: control (read@0,4096B). Runtime 30 seconds
[ 133.032041][ T1338] ieee802154 phy0 wpan0: encryption failed: -22
[ 133.032101][ T1338] ieee802154 phy1 wpan1: encryption failed: -22
2026/11/04 15:40:41 executed programs: 1
[ 158.074591][ T5620] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 158.089179][ T5620] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 158.089893][ T5620] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 158.091038][ T5620] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 158.091692][ T5620] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 158.789197][ T5936] bridge0: port 1(bridge_slave_0) entered blocking state
[ 158.789433][ T5936] bridge0: port 1(bridge_slave_0) entered disabled state
[ 158.789829][ T5936] bridge_slave_0: entered allmulticast mode
[ 158.792148][ T5936] bridge_slave_0: entered promiscuous mode
[ 158.796656][ T5936] bridge0: port 2(bridge_slave_1) entered blocking state
[ 158.797448][ T5936] bridge0: port 2(bridge_slave_1) entered disabled state
[ 158.797611][ T5936] bridge_slave_1: entered allmulticast mode
[ 158.799910][ T5936] bridge_slave_1: entered promiscuous mode
[ 158.969274][ T5936] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 158.972367][ T5936] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 159.128453][ T5936] team0: Port device team_slave_0 added
[ 159.130462][ T5936] team0: Port device team_slave_1 added
[ 159.257404][ T5936] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 159.257423][ T5936] 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.
[ 159.257436][ T5936] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 159.258730][ T5936] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 159.258743][ T5936] 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.
[ 159.258764][ T5936] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 159.420817][ T5936] hsr_slave_0: entered promiscuous mode
[ 159.421534][ T5936] hsr_slave_1: entered promiscuous mode
[ 159.422222][ T5936] debugfs: 'hsr0' already exists in 'hsr'
[ 159.422251][ T5936] Cannot create hsr debugfs directory
[ 160.031501][ T5936] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 160.225607][ T61] Bluetooth: hci1: command tx timeout
[ 160.257534][ T5936] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 160.471921][ T5936] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 160.720118][ T5936] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 161.005034][ T5936] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 161.041869][ T5936] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 161.042815][ T5936] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 161.061947][ T5936] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 161.062840][ T5936] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 161.108667][ T5936] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 161.109607][ T5936] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 161.129275][ T5936] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 161.199538][ T5936] 8021q: adding VLAN 0 to HW filter on device bond0
[ 161.218308][ T5936] 8021q: adding VLAN 0 to HW filter on device team0
[ 161.227003][ T225] bridge0: port 1(bridge_slave_0) entered blocking state
[ 161.227173][ T225] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 161.241287][ T164] bridge0: port 2(bridge_slave_1) entered blocking state
[ 161.241482][ T164] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 161.599189][ T5936] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 161.652827][ T5936] veth0_vlan: entered promiscuous mode
[ 161.664701][ T5936] veth1_vlan: entered promiscuous mode
[ 161.698033][ T5936] veth0_macvtap: entered promiscuous mode
[ 161.701556][ T5936] veth1_macvtap: entered promiscuous mode
[ 161.725261][ T5936] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 161.737651][ T5936] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 161.900933][ T164] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 161.900982][ T164] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 161.901015][ T164] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 161.901049][ T164] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 162.305666][ T61] Bluetooth: hci1: command tx timeout
[ 162.505575][ T11] block nbd0: Possible stuck request ffff888027f15080: control (read@0,4096B). Runtime 60 seconds
[ 164.385559][ T61] Bluetooth: hci1: command tx timeout
[ 165.037568][ T4968] udevd[4968]: worker [5769] /devices/virtual/block/nbd0 is taking a long time
[ 166.465768][ T61] Bluetooth: hci1: command tx timeout
[ 192.585649][ T11] block nbd0: Possible stuck request ffff888027f15080: control (read@0,4096B). Runtime 90 seconds
[ 194.468683][ T1338] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.468752][ T1338] ieee802154 phy1 wpan1: encryption failed: -22
2026/11/04 15:41:41 executed programs: 2
[ 218.067300][ T5620] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 218.070216][ T5620] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 218.072890][ T5620] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 218.073892][ T5620] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 218.074582][ T5620] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 218.776891][ T5981] bridge0: port 1(bridge_slave_0) entered blocking state
[ 218.777066][ T5981] bridge0: port 1(bridge_slave_0) entered disabled state
[ 218.777179][ T5981] bridge_slave_0: entered allmulticast mode
[ 218.780125][ T5981] bridge_slave_0: entered promiscuous mode
[ 218.782863][ T5981] bridge0: port 2(bridge_slave_1) entered blocking state
[ 218.782999][ T5981] bridge0: port 2(bridge_slave_1) entered disabled state
[ 218.783095][ T5981] bridge_slave_1: entered allmulticast mode
[ 218.784332][ T5981] bridge_slave_1: entered promiscuous mode
[ 218.920522][ T5981] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 218.922907][ T5981] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 219.058496][ T5981] team0: Port device team_slave_0 added
[ 219.060462][ T5981] team0: Port device team_slave_1 added
[ 219.187639][ T5981] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 219.187657][ T5981] 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.
[ 219.187672][ T5981] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 219.189004][ T5981] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 219.189017][ T5981] 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.
[ 219.189036][ T5981] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 219.365784][ T5981] hsr_slave_0: entered promiscuous mode
[ 219.366526][ T5981] hsr_slave_1: entered promiscuous mode
[ 219.367066][ T5981] debugfs: 'hsr0' already exists in 'hsr'
[ 219.367083][ T5981] Cannot create hsr debugfs directory
[ 219.941946][ T5981] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 220.145573][ T5620] Bluetooth: hci2: command tx timeout
[ 220.198530][ T5981] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 220.417570][ T5981] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 220.631057][ T5981] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 220.898223][ T5981] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 220.938641][ T5981] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 220.939614][ T5981] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 220.971441][ T5981] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 220.972355][ T5981] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 221.008200][ T5981] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 221.009120][ T5981] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 221.059626][ T5981] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 221.143766][ T5981] 8021q: adding VLAN 0 to HW filter on device bond0
[ 221.167969][ T5981] 8021q: adding VLAN 0 to HW filter on device team0
[ 221.174456][ T57] bridge0: port 1(bridge_slave_0) entered blocking state
[ 221.174622][ T57] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 221.196928][ T57] bridge0: port 2(bridge_slave_1) entered blocking state
[ 221.197090][ T57] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 221.567838][ T5981] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 221.628895][ T5981] veth0_vlan: entered promiscuous mode
[ 221.648529][ T5981] veth1_vlan: entered promiscuous mode
[ 221.672899][ T5981] veth0_macvtap: entered promiscuous mode
[ 221.677418][ T5981] veth1_macvtap: entered promiscuous mode
[ 221.708208][ T5981] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 221.714277][ T5981] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 221.908672][ T57] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 221.909421][ T57] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 221.909727][ T57] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 221.909764][ T57] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 222.145570][ T5620] Bluetooth: hci0: command 0x0406 tx timeout
[ 222.225633][ T61] Bluetooth: hci2: command tx timeout
[ 222.665557][ T11] block nbd0: Possible stuck request ffff888027f15080: control (read@0,4096B). Runtime 120 seconds
[ 224.305520][ T61] Bluetooth: hci2: command tx timeout
[ 226.385626][ T61] Bluetooth: hci2: command tx timeout
[ 252.745758][ T11] block nbd0: Possible stuck request ffff888027f15080: control (read@0,4096B). Runtime 150 seconds
[ 255.910465][ T1338] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.910543][ T1338] ieee802154 phy1 wpan1: encryption failed: -22
[ 262.305767][ T38] INFO: task syz-executor.0:5900 blocked for more than 143 seconds.
[ 262.305801][ T38] Not tainted syzkaller #0
[ 262.305811][ T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 262.305820][ T38] task:syz-executor.0 state:D stack:24872 pid:5900 tgid:5900 ppid:5770 task_flags:0x400040 flags:0x00080002
[ 262.305884][ T38] Call Trace:
[ 262.305891][ T38]
[ 262.305905][ T38] __schedule+0x171d/0x56f0
[ 262.305942][ T38] ? __lock_acquire+0x747/0x2de0
[ 262.305986][ T38] ? __pfx___schedule+0x10/0x10
[ 262.306008][ T38] ? trace_irq_disable+0x3b/0x140
[ 262.306029][ T38] ? __pfx___schedule+0x10/0x10
[ 262.306064][ T38] rt_mutex_schedule+0x76/0xf0
[ 262.306093][ T38] rt_mutex_slowlock_block+0x540/0x6a0
[ 262.306135][ T38] ? rt_mutex_slowlock_block+0x33f/0x6a0
[ 262.306164][ T38] rt_mutex_slowlock+0x2d4/0x780
[ 262.306194][ T38] ? rt_mutex_slowlock+0x1f2/0x780
[ 262.306222][ T38] ? __pfx_rt_mutex_slowlock+0x10/0x10
[ 262.306277][ T38] ? bdev_release+0x1be/0x690
[ 262.306298][ T38] mutex_lock_nested+0x163/0x1d0
[ 262.306324][ T38] ? __pfx___fsnotify_parent+0x10/0x10
[ 262.306350][ T38] bdev_release+0x1be/0x690
[ 262.306379][ T38] ? __pfx_blkdev_release+0x10/0x10
[ 262.306402][ T38] blkdev_release+0x15/0x20
[ 262.306425][ T38] __fput+0x41a/0xa70
[ 262.306459][ T38] fput_close_sync+0x11f/0x240
[ 262.306484][ T38] ? __pfx_fput_close_sync+0x10/0x10
[ 262.306527][ T38] __se_sys_close+0xa2/0x160
[ 262.306556][ T38] do_syscall_64+0x166/0x520
[ 262.306583][ T38] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 262.306603][ T38] ? clear_bhb_loop+0x70/0xc0
[ 262.306628][ T38] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 262.306648][ T38] RIP: 0033:0x7fbdfee8031e
[ 262.306674][ T38] RSP: 002b:00007fff930b4c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 262.306694][ T38] RAX: ffffffffffffffda RBX: 000055556d0ee4c0 RCX: 00007fbdfee8031e
[ 262.306719][ T38] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 262.306730][ T38] RBP: 00007fbdfef9d980 R08: 0000000000000000 R09: 0000000000000000
[ 262.306742][ T38] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000190e5
[ 262.306755][ T38] R13: ffffffffffffffff R14: 00007fbdfe9f0000 R15: 0000000000018da4
[ 262.306787][ T38]
[ 262.306806][ T38] INFO: task syz-executor.0:5901 blocked for more than 143 seconds.
[ 262.306820][ T38] Not tainted syzkaller #0
[ 262.306830][ T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 262.306838][ T38] task:syz-executor.0 state:D stack:26368 pid:5901 tgid:5900 ppid:5770 task_flags:0x400140 flags:0x00080802
[ 262.306884][ T38] Call Trace:
[ 262.306890][ T38]
[ 262.306900][ T38] __schedule+0x171d/0x56f0
[ 262.306950][ T38] ? __pfx___schedule+0x10/0x10
[ 262.306986][ T38] rt_mutex_schedule+0x76/0xf0
[ 262.307013][ T38] rt_mutex_slowlock_block+0x540/0x6a0
[ 262.307047][ T38] rt_mutex_slowlock+0x2d4/0x780
[ 262.307070][ T38] ? rt_mutex_slowlock+0x1f2/0x780
[ 262.307095][ T38] ? __pfx_rt_mutex_slowlock+0x10/0x10
[ 262.307136][ T38] ? bdev_release+0x1be/0x690
[ 262.307151][ T38] mutex_lock_nested+0x163/0x1d0
[ 262.307169][ T38] ? __pfx___fsnotify_parent+0x10/0x10
[ 262.307188][ T38] bdev_release+0x1be/0x690
[ 262.307210][ T38] ? __pfx_blkdev_release+0x10/0x10
[ 262.307227][ T38] blkdev_release+0x15/0x20
[ 262.307244][ T38] __fput+0x41a/0xa70
[ 262.307268][ T38] task_work_run+0x1d9/0x260
[ 262.307288][ T38] ? __pfx_task_work_run+0x10/0x10
[ 262.307304][ T38] ? __fput_deferred+0x253/0x3e0
[ 262.307328][ T38] exit_to_user_mode_loop+0x204/0x770
[ 262.307342][ T38] ? rcu_is_watching+0x16/0xb0
[ 262.307362][ T38] do_syscall_64+0x328/0x520
[ 262.307377][ T38] ? trace_irq_disable+0x3b/0x140
[ 262.307392][ T38] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 262.307406][ T38] ? clear_bhb_loop+0x70/0xc0
[ 262.307423][ T38] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 262.307437][ T38] RIP: 0033:0x7fbdfee5cef9
[ 262.307449][ T38] RSP: 002b:00007fbdfe1ee078 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 262.307464][ T38] RAX: 0000000000000000 RBX: 00007fbdfef9bf80 RCX: 00007fbdfee5cef9
[ 262.307473][ T38] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005
[ 262.307481][ T38] RBP: 00007fbdfeed2980 R08: 0000000000000000 R09: 0000000000000000
[ 262.307489][ T38] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 262.307497][ T38] R13: 000000000000000b R14: 00007fbdfef9bf80 R15: 00007fff930b4b98
[ 262.307530][ T38]
[ 262.307559][ T38]
[ 262.307559][ T38] Showing all locks held in the system:
[ 262.307569][ T38] locks held by khungtaskd/38: 1, last CPU#1:
[ 262.307581][ T38] #0: ffffffff8f3c15c0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 262.307630][ T38] locks held by kworker/u8:9/1124: 6, last CPU#0:
[ 262.307640][ T38] #0: ffff8880341ef940 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
[ 262.307681][ T38] #1: ffffc90006297c40 ((work_completion)(&(&forw_packet_aggr->delayed_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
[ 262.307720][ T38] #2: ffff88803b5a21c0 (&hard_iface->bat_iv.ogm_buff_mutex){+.+.}-{4:4}, at: batadv_iv_ogm_schedule+0xcf/0xf90
[ 262.307754][ T38] #3: ffffffff8f3c15c0 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e2/0x400
[ 262.307791][ T38] #4: ffff888027e18b00 (&p->pi_lock){-...}-{2:2}, at: _task_rq_lock+0x5b/0x440
[ 262.307822][ T38] #5: ffff8880b843cd60 (&rq->__lock){-...}-{2:2}, at: raw_spin_rq_lock_nested+0x2d/0x160
[ 262.307877][ T38] locks held by getty/5359: 2, on CPU#0:
[ 262.307887][ T38] #0: ffff888036cb20a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 262.307924][ T38] #1: ffffc900044f32e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x460/0x1360
[ 262.307958][ T38] locks held by udevd/5769: 1, on CPU#0:
[ 262.307967][ T38] #0: ffff888027e964c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd00
[ 262.308003][ T38] locks held by syz-executor.0/5900: 1, on CPU#0:
[ 262.308013][ T38] #0: ffff888027e964c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1be/0x690
[ 262.308049][ T38] locks held by syz-executor.0/5901: 1, on CPU#0:
[ 262.308059][ T38] #0: ffff888027e964c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1be/0x690
[ 262.308093][ T38] locks held by syz-executor.0/5971: 1, on CPU#0:
[ 262.308103][ T38] #0: ffff888027e964c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd00
[ 262.308137][ T38] locks held by syz-executor.0/5972: 1, on CPU#1:
[ 262.308148][ T38] #0: ffff888027e964c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd00
[ 262.308184][ T38] locks held by syz-executor.0/6016: 1, on CPU#1:
[ 262.308196][ T38] #0: ffff888027e964c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd00
[ 262.308230][ T38] locks held by syz-executor.0/6017: 1, on CPU#0:
[ 262.308241][ T38] #0: ffff888027e964c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd00
[ 262.308277][ T38]
[ 262.308281][ T38] =============================================
[ 262.308281][ T38]
[ 262.308298][ T38] NMI backtrace for cpu 1
[ 262.308321][ T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 262.308354][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[ 262.308361][ T38] Call Trace:
[ 262.308368][ T38]
[ 262.308374][ T38] dump_stack_lvl+0xe8/0x150
[ 262.308399][ T38] nmi_cpu_backtrace+0x274/0x2d0
[ 262.308422][ T38] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 262.308441][ T38] nmi_trigger_cpumask_backtrace+0x17d/0x390
[ 262.308466][ T38] sys_info+0x135/0x170
[ 262.308485][ T38] watchdog+0x1073/0x10f0
[ 262.308507][ T38] ? watchdog+0x209/0x10f0
[ 262.308534][ T38] kthread+0x38b/0x470
[ 262.308551][ T38] ? __pfx_watchdog+0x10/0x10
[ 262.308565][ T38] ? __pfx_kthread+0x10/0x10
[ 262.308582][ T38] ret_from_fork+0x514/0xb70
[ 262.308604][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 262.308621][ T38] ? __switch_to+0xc78/0x1410
[ 262.308638][ T38] ? __pfx_kthread+0x10/0x10
[ 262.308656][ T38] ret_from_fork_asm+0x1a/0x30
[ 262.308686][ T38]
[ 262.308693][ T38] Sending NMI from CPU 1 to CPUs 0:
[ 262.308733][ C0] NMI backtrace for cpu 0
[ 262.308755][ C0] CPU: 0 UID: 0 PID: 1124 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 262.308774][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[ 262.308786][ C0] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 262.308808][ C0] RIP: 0010:__lock_acquire+0x1860/0x2de0
[ 262.308835][ C0] Code: 05 7d aa 34 15 48 b8 00 00 00 00 01 00 00 00 48 89 05 64 aa 34 15 48 8d 84 24 90 00 00 00 48 89 05 55 2a 34 15 31 ff 45 31 ff <4d> 85 ff 4c 8b 74 24 10 74 2e 49 8b 47 30 48 85 c0 74 25 48 8b 40
[ 262.308850][ C0] RSP: 0018:ffffc90006297038 EFLAGS: 00000046
[ 262.308863][ C0] RAX: ffffffff947d9b18 RBX: 00000000000003cd RCX: 0000000000032f31
[ 262.308876][ C0] RDX: 0000000000000008 RSI: ffff888027e18d08 RDI: 00000000000003cd
[ 262.308887][ C0] RBP: 7e47b5921ca8a399 R08: ffffc90006297000 R09: 0000000000000020
[ 262.308898][ C0] R10: ffffc90006297250 R11: ffffffff81a329d0 R12: 0000000000000258
[ 262.308910][ C0] R13: ffffffff947fc788 R14: ffff888027e18d08 R15: ffffffff976bd5f8
[ 262.308923][ C0] FS: 0000000000000000(0000) GS:ffff888124715000(0000) knlGS:0000000000000000
[ 262.308937][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 262.308949][ C0] CR2: 00007f13bde30700 CR3: 00000000384ea000 CR4: 00000000003526f0
[ 262.308964][ C0] Call Trace:
[ 262.308970][ C0]
[ 262.308980][ C0] ? lockdep_unlock+0x5c/0xd0
[ 262.309010][ C0] lock_acquire+0x115/0x350
[ 262.309042][ C0] ? debug_object_assert_init+0xa1/0x310
[ 262.309069][ C0] ? lock_acquire+0x115/0x350
[ 262.309095][ C0] _raw_spin_lock_irqsave+0x40/0x60
[ 262.309114][ C0] ? debug_object_assert_init+0xa1/0x310
[ 262.309137][ C0] debug_object_assert_init+0xa1/0x310
[ 262.309166][ C0] hrtimer_start_range_ns+0x3d/0x3f0
[ 262.309190][ C0] enqueue_task+0x75/0x410
[ 262.309208][ C0] sched_change_end+0x23b/0x5d0
[ 262.309231][ C0] __schedule+0x18cb/0x56f0
[ 262.309247][ C0] ? seqcount_lockdep_reader_access+0xd4/0x100
[ 262.309265][ C0] ? ktime_get+0x1f5/0x220
[ 262.309280][ C0] ? lapic_next_event+0x11/0x20
[ 262.309302][ C0] ? clockevents_program_event+0x491/0x630
[ 262.309330][ C0] ? __pfx___schedule+0x10/0x10
[ 262.309347][ C0] ? lockdep_hardirqs_on+0x7b/0x110
[ 262.309365][ C0] ? irqentry_exit+0x2a0/0x9b0
[ 262.309385][ C0] ? preempt_schedule_thunk+0x16/0x40
[ 262.309408][ C0] preempt_schedule_common+0x7f/0xd0
[ 262.309426][ C0] preempt_schedule_thunk+0x16/0x40
[ 262.309450][ C0] _raw_spin_unlock_irqrestore+0x76/0x80
[ 262.309469][ C0] rt_mutex_slowunlock+0x4ee/0xa30
[ 262.309496][ C0] ? reacquire_held_locks+0x117/0x1a0
[ 262.309513][ C0] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 262.309540][ C0] ? get_random_u8+0x3cf/0x8a0
[ 262.309557][ C0] rt_spin_unlock+0x10f/0x200
[ 262.309582][ C0] get_random_u8+0x3cf/0x8a0
[ 262.309666][ C0] ? __pfx_get_random_u8+0x10/0x10
[ 262.309682][ C0] ? lock_acquire+0x115/0x350
[ 262.309710][ C0] ? batadv_iv_ogm_schedule+0x3f4/0xf90
[ 262.309729][ C0] batadv_iv_ogm_schedule+0x76c/0xf90
[ 262.309745][ C0] ? pskb_expand_head+0xf9b/0x15d0
[ 262.309766][ C0] ? batadv_iv_ogm_schedule+0x3f4/0xf90
[ 262.309786][ C0] ? __pfx_batadv_iv_ogm_schedule+0x10/0x10
[ 262.309802][ C0] ? batadv_skb_head_push+0x18c/0x200
[ 262.309824][ C0] ? batadv_send_skb_packet+0x40d/0x650
[ 262.309848][ C0] batadv_iv_send_outstanding_bat_ogm_packet+0x622/0x740
[ 262.309872][ C0] ? process_scheduled_works+0x97a/0x1630
[ 262.309897][ C0] process_scheduled_works+0xc3d/0x1630
[ 262.309922][ C0] ? trace_contention_end+0x3b/0x160
[ 262.309954][ C0] ? __pfx_process_scheduled_works+0x10/0x10
[ 262.309981][ C0] ? assign_work+0x3cf/0x5d0
[ 262.310007][ C0] worker_thread+0xa47/0xfb0
[ 262.310039][ C0] kthread+0x38b/0x470
[ 262.310058][ C0] ? __pfx_worker_thread+0x10/0x10
[ 262.310072][ C0] ? __pfx_kthread+0x10/0x10
[ 262.310091][ C0] ret_from_fork+0x514/0xb70
[ 262.310112][ C0] ? __pfx_ret_from_fork+0x10/0x10
[ 262.310130][ C0] ? __switch_to+0xc78/0x1410
[ 262.310147][ C0] ? __pfx_kthread+0x10/0x10
[ 262.310166][ C0] ret_from_fork_asm+0x1a/0x30
[ 262.310191][ C0]
[ 262.310739][ T38] Kernel panic - not syncing: hung_task: blocked tasks
[ 263.505364][ T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 263.514984][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[ 263.525034][ T38] Call Trace:
[ 263.528416][ T38]
[ 263.531353][ T38] vpanic+0x26f/0x710
[ 263.535345][ T38] panic+0xc5/0xd0
[ 263.539097][ T38] ? __pfx_panic+0x10/0x10
[ 263.543526][ T38] ? wq_watchdog_touch+0xf9/0x160
[ 263.548564][ T38] ? nmi_trigger_cpumask_backtrace+0x24d/0x390
[ 263.554730][ T38] watchdog+0x10e7/0x10f0
[ 263.559067][ T38] ? watchdog+0x209/0x10f0
[ 263.563481][ T38] kthread+0x38b/0x470
[ 263.567551][ T38] ? __pfx_watchdog+0x10/0x10
[ 263.572216][ T38] ? __pfx_kthread+0x10/0x10
[ 263.576835][ T38] ret_from_fork+0x514/0xb70
[ 263.581442][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 263.586601][ T38] ? __switch_to+0xc78/0x1410
[ 263.591273][ T38] ? __pfx_kthread+0x10/0x10
[ 263.595859][ T38] ret_from_fork_asm+0x1a/0x30
[ 263.600626][ T38]
[ 263.603964][ T38] Kernel Offset: disabled
[ 263.608283][ T38] Rebooting in 86400 seconds..