[ 133.003559][ T1318] ieee802154 phy0 wpan0: encryption failed: -22 [ 133.010111][ T1318] ieee802154 phy1 wpan1: encryption failed: -22 Warning: Permanently added '10.128.1.124' (ED25519) to the list of known hosts. 2026/06/27 22:39:40 parsed 1 programs [ 143.410161][ T6125] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 147.584204][ T4942] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 147.600972][ T4942] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 147.610512][ T4942] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 147.620070][ T4942] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 147.629916][ T4942] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 148.068438][ T36] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 148.076540][ T36] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 148.119525][ T36] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 148.128376][ T36] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 149.786041][ T6180] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.793408][ T6180] bridge0: port 1(bridge_slave_0) entered disabled state [ 149.800681][ T6180] bridge_slave_0: entered allmulticast mode [ 149.810473][ T6180] bridge_slave_0: entered promiscuous mode [ 149.819942][ T6180] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.827787][ T6180] bridge0: port 2(bridge_slave_1) entered disabled state [ 149.835097][ T6180] bridge_slave_1: entered allmulticast mode [ 149.843287][ T6180] bridge_slave_1: entered promiscuous mode [ 149.897048][ T6180] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 149.910294][ T6180] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 149.969952][ T6180] team0: Port device team_slave_0 added [ 149.979385][ T6180] team0: Port device team_slave_1 added [ 150.032302][ T6180] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 150.039304][ T6180] 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. [ 150.065982][ T6180] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 150.078986][ T6180] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 150.086434][ T6180] 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. [ 150.112663][ T6180] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 150.165257][ T6180] hsr_slave_0: entered promiscuous mode [ 150.171903][ T6180] hsr_slave_1: entered promiscuous mode [ 150.770549][ T6180] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 150.782206][ T6180] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 150.792331][ T6180] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 150.804054][ T6180] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 150.812307][ T6180] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 150.823667][ T6180] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 150.832815][ T6180] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 150.845078][ T6180] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 150.963700][ T6180] 8021q: adding VLAN 0 to HW filter on device bond0 [ 150.996522][ T6180] 8021q: adding VLAN 0 to HW filter on device team0 [ 151.014116][ T1037] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.021357][ T1037] bridge0: port 1(bridge_slave_0) entered forwarding state [ 151.041511][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.048741][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 151.648691][ T6180] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 151.715895][ T6180] veth0_vlan: entered promiscuous mode [ 151.734618][ T6180] veth1_vlan: entered promiscuous mode [ 151.778187][ T6180] veth0_macvtap: entered promiscuous mode [ 151.790280][ T6180] veth1_macvtap: entered promiscuous mode [ 151.828695][ T6180] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 151.853324][ T6180] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 151.873114][ T36] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 151.895065][ T36] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 151.930029][ T36] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 151.946880][ T36] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 152.255050][ T36] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 152.367202][ T36] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 152.446967][ T36] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 152.534215][ T36] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 154.123802][ T36] bridge_slave_1: left allmulticast mode [ 154.140986][ T36] bridge_slave_1: left promiscuous mode [ 154.150914][ T36] bridge0: port 2(bridge_slave_1) entered disabled state [ 154.174450][ T36] bridge_slave_0: left allmulticast mode [ 154.201171][ T36] bridge_slave_0: left promiscuous mode [ 154.219091][ T36] bridge0: port 1(bridge_slave_0) entered disabled state 2026/06/27 22:39:58 executed programs: 0 [ 154.628403][ T36] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 154.643840][ T36] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 154.666064][ T36] bond0 (unregistering): Released all slaves [ 154.762745][ T4942] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 154.772754][ T4942] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 154.781148][ T4942] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 154.810134][ T4942] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 154.820605][ T4942] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 154.869819][ T36] hsr_slave_0: left promiscuous mode [ 154.880528][ T36] hsr_slave_1: left promiscuous mode [ 154.887792][ T36] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 154.896470][ T36] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 154.906696][ T36] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 154.929547][ T36] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 154.958471][ T36] veth1_macvtap: left promiscuous mode [ 154.974157][ T36] veth0_macvtap: left promiscuous mode [ 154.990816][ T36] veth1_vlan: left promiscuous mode [ 154.996767][ T36] veth0_vlan: left promiscuous mode [ 155.309298][ T36] team0 (unregistering): Port device team_slave_1 removed [ 155.329100][ T36] team0 (unregistering): Port device team_slave_0 removed [ 156.682136][ T6315] bridge0: port 1(bridge_slave_0) entered blocking state [ 156.689455][ T6315] bridge0: port 1(bridge_slave_0) entered disabled state [ 156.698117][ T6315] bridge_slave_0: entered allmulticast mode [ 156.706800][ T6315] bridge_slave_0: entered promiscuous mode [ 156.716254][ T6315] bridge0: port 2(bridge_slave_1) entered blocking state [ 156.723643][ T6315] bridge0: port 2(bridge_slave_1) entered disabled state [ 156.730894][ T6315] bridge_slave_1: entered allmulticast mode [ 156.740779][ T6315] bridge_slave_1: entered promiscuous mode [ 156.794854][ T6315] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 156.810222][ T6315] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 156.870876][ T6315] team0: Port device team_slave_0 added [ 156.882655][ T6315] team0: Port device team_slave_1 added [ 156.921773][ T50] Bluetooth: hci0: command tx timeout [ 156.936166][ T6315] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 156.943751][ T6315] 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. [ 156.970762][ T6315] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 156.984204][ T6315] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 156.992457][ T6315] 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. [ 157.018952][ T6315] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 157.083437][ T6315] hsr_slave_0: entered promiscuous mode [ 157.090234][ T6315] hsr_slave_1: entered promiscuous mode [ 157.722402][ T6315] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 157.735725][ T6315] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 157.744280][ T6315] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 157.757782][ T6315] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 157.766587][ T6315] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 157.779357][ T6315] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 157.788480][ T6315] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 157.800924][ T6315] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 157.923870][ T6315] 8021q: adding VLAN 0 to HW filter on device bond0 [ 157.957902][ T6315] 8021q: adding VLAN 0 to HW filter on device team0 [ 157.975088][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 157.982373][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 158.006491][ T14] bridge0: port 2(bridge_slave_1) entered blocking state [ 158.013745][ T14] bridge0: port 2(bridge_slave_1) entered forwarding state [ 158.648815][ T6315] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 158.730641][ T6315] veth0_vlan: entered promiscuous mode [ 158.749138][ T6315] veth1_vlan: entered promiscuous mode [ 158.793869][ T6315] veth0_macvtap: entered promiscuous mode [ 158.807740][ T6315] veth1_macvtap: entered promiscuous mode [ 158.845946][ T6315] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 158.862418][ T6315] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 158.880947][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.900031][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.922622][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.953606][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 159.001202][ T50] Bluetooth: hci0: command tx timeout [ 159.035300][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 159.054864][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 159.114043][ T14] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 159.123699][ T14] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/06/27 22:40:03 executed programs: 20 [ 161.081653][ T50] Bluetooth: hci0: command tx timeout [ 163.162705][ T50] Bluetooth: hci0: command tx timeout [ 194.442883][ T1318] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.449234][ T1318] ieee802154 phy1 wpan1: encryption failed: -22 [ 255.883158][ T1318] ieee802154 phy0 wpan0: encryption failed: -22 [ 255.889502][ T1318] ieee802154 phy1 wpan1: encryption failed: -22 [ 278.443535][ T50] Bluetooth: hci0: command 0x0406 tx timeout [ 317.322542][ T1318] ieee802154 phy0 wpan0: encryption failed: -22 [ 317.328884][ T1318] ieee802154 phy1 wpan1: encryption failed: -22 [ 323.081215][ T31] INFO: task jbd2/sda1-8:4954 blocked in I/O wait for more than 143 seconds. [ 323.091157][ T31] Not tainted syzkaller #0 [ 323.096158][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 323.104916][ T31] task:jbd2/sda1-8 state:D stack:26760 pid:4954 tgid:4954 ppid:2 task_flags:0x240040 flags:0x00080000 [ 323.117084][ T31] Call Trace: [ 323.120432][ T31] [ 323.124316][ T31] __schedule+0x125c/0x6730 [ 323.128927][ T31] ? __pfx___schedule+0x10/0x10 [ 323.133887][ T31] ? find_held_lock+0x2b/0x80 [ 323.138625][ T31] ? schedule+0x225/0x2c0 [ 323.143044][ T31] schedule+0xdd/0x2c0 [ 323.147178][ T31] io_schedule+0x8a/0xf0 [ 323.151611][ T31] bit_wait_io+0xd/0xe0 [ 323.155856][ T31] __wait_on_bit+0x65/0x180 [ 323.160391][ T31] ? __pfx_bit_wait_io+0x10/0x10 [ 323.165641][ T31] out_of_line_wait_on_bit+0xdc/0x110 [ 323.171498][ T31] ? __pfx_out_of_line_wait_on_bit+0x10/0x10 [ 323.177582][ T31] ? __pfx_wake_bit_function+0x10/0x10 [ 323.183165][ T31] ? __pfx___might_resched+0x10/0x10 [ 323.188524][ T31] __wait_on_buffer+0x64/0x70 [ 323.193303][ T31] jbd2_journal_commit_transaction+0x37ef/0x6700 [ 323.199718][ T31] ? __pfx_jbd2_journal_commit_transaction+0x10/0x10 [ 323.206542][ T31] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 323.212478][ T31] ? debug_object_deactivate+0x2e4/0x3b0 [ 323.218156][ T31] ? __pfx_debug_object_deactivate+0x10/0x10 [ 323.224346][ T31] ? _raw_spin_lock_irqsave+0x52/0x60 [ 323.229782][ T31] ? find_held_lock+0x2b/0x80 [ 323.234575][ T31] ? __try_to_del_timer_sync+0x107/0x160 [ 323.240279][ T31] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 323.246313][ T31] ? __timer_delete_sync+0x151/0x1c0 [ 323.251739][ T31] kjournald2+0x200/0x760 [ 323.256154][ T31] ? __pfx_kjournald2+0x10/0x10 [ 323.261201][ T31] ? find_held_lock+0x2b/0x80 [ 323.265958][ T31] ? __kthread_parkme+0xbb/0x230 [ 323.271017][ T31] ? rcu_is_watching+0x12/0xc0 [ 323.275836][ T31] ? __pfx_autoremove_wake_function+0x10/0x10 [ 323.282032][ T31] ? __kthread_parkme+0x18c/0x230 [ 323.287200][ T31] ? kthread+0x13a/0x450 [ 323.291532][ T31] ? __pfx_kjournald2+0x10/0x10 [ 323.296465][ T31] kthread+0x370/0x450 [ 323.300563][ T31] ? __pfx_kthread+0x10/0x10 [ 323.305250][ T31] ret_from_fork+0x72b/0xd50 [ 323.309903][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 323.315107][ T31] ? __switch_to+0x800/0x10f0 [ 323.319825][ T31] ? __switch_to_asm+0x39/0x70 [ 323.324807][ T31] ? __pfx_kthread+0x10/0x10 [ 323.329495][ T31] ret_from_fork_asm+0x1a/0x30 [ 323.334579][ T31] [ 323.337665][ T31] INFO: task syz.0.251:6903 blocked in I/O wait for more than 143 seconds. [ 323.346415][ T31] Not tainted syzkaller #0 [ 323.351540][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 323.360217][ T31] task:syz.0.251 state:D stack:28280 pid:6903 tgid:6903 ppid:6315 task_flags:0x440040 flags:0x00080002 [ 323.372236][ T31] Call Trace: [ 323.375547][ T31] [ 323.378493][ T31] __schedule+0x125c/0x6730 [ 323.383121][ T31] ? __pfx___schedule+0x10/0x10 [ 323.388067][ T31] ? find_held_lock+0x2b/0x80 [ 323.392873][ T31] ? schedule+0x225/0x2c0 [ 323.397286][ T31] schedule+0xdd/0x2c0 [ 323.401674][ T31] io_schedule+0x8a/0xf0 [ 323.406010][ T31] bit_wait_io+0xd/0xe0 [ 323.410247][ T31] __wait_on_bit+0x65/0x180 [ 323.414844][ T31] ? __pfx_bit_wait_io+0x10/0x10 [ 323.419882][ T31] out_of_line_wait_on_bit+0xdc/0x110 [ 323.425373][ T31] ? __pfx_out_of_line_wait_on_bit+0x10/0x10 [ 323.431489][ T31] ? __pfx_wake_bit_function+0x10/0x10 [ 323.437011][ T31] do_get_write_access+0x836/0x11e0 [ 323.442322][ T31] jbd2_journal_get_write_access+0x1d6/0x280 [ 323.448375][ T31] __ext4_journal_get_write_access+0x6a/0x340 [ 323.454591][ T31] ext4_reserve_inode_write+0x1b7/0x330 [ 323.460217][ T31] __ext4_mark_inode_dirty+0x18f/0x880 [ 323.466100][ T31] ? __pfx___ext4_mark_inode_dirty+0x10/0x10 [ 323.472218][ T31] ? trace_jbd2_handle_start+0x83/0x240 [ 323.477842][ T31] ? jbd2__journal_start+0xf7/0x6a0 [ 323.483158][ T31] ? __ext4_journal_start_sb+0x367/0x670 [ 323.488863][ T31] ? __ext4_journal_start_sb+0x1ce/0x670 [ 323.494613][ T31] ? ext4_dirty_inode+0xa1/0x130 [ 323.499633][ T31] ? __pfx_ext4_dirty_inode+0x10/0x10 [ 323.505159][ T31] ext4_dirty_inode+0xd9/0x130 [ 323.510008][ T31] ? rcu_is_watching+0x12/0xc0 [ 323.514894][ T31] __mark_inode_dirty+0x1f3/0x16e0 [ 323.520102][ T31] file_update_time_flags+0x46b/0x500 [ 323.525641][ T31] ext4_page_mkwrite+0x324/0x1850 [ 323.530770][ T31] ? __pfx_ext4_page_mkwrite+0x10/0x10 [ 323.536391][ T31] do_page_mkwrite+0x17a/0x440 [ 323.541285][ T31] ? __pfx_filemap_map_pages+0x10/0x10 [ 323.546783][ T31] do_fault+0x3b5/0x1750 [ 323.551132][ T31] ? __pmd_alloc+0x3fb/0x950 [ 323.555811][ T31] __handle_mm_fault+0x187d/0x2a00 [ 323.561238][ T31] ? reacquire_held_locks+0xce/0x1e0 [ 323.566603][ T31] ? __pfx___handle_mm_fault+0x10/0x10 [ 323.572164][ T31] ? lock_vma_under_rcu+0x17c/0x590 [ 323.577436][ T31] handle_mm_fault+0x37b/0xa30 [ 323.582335][ T31] do_user_addr_fault+0x5a3/0x12f0 [ 323.587583][ T31] exc_page_fault+0x6f/0xd0 [ 323.592218][ T31] asm_exc_page_fault+0x26/0x30 [ 323.597248][ T31] RIP: 0033:0x7fda0e466bcb [ 323.601763][ T31] RSP: 002b:00007ffd4cc626f0 EFLAGS: 00010246 [ 323.607883][ T31] RAX: 000000000003fde8 RBX: 0000000000000000 RCX: 0000000000000000 [ 323.615949][ T31] RDX: 0000001b2e520000 RSI: 0000000000040000 RDI: 00007fda0e78a710 [ 323.624265][ T31] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 323.632307][ T31] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 323.640324][ T31] R13: 0000000000000000 R14: 00000000000280e9 R15: 00007ffd4cc62980 [ 323.648489][ T31] [ 323.651591][ T31] INFO: task syz-executor:6904 blocked in I/O wait for more than 143 seconds. [ 323.660494][ T31] Not tainted syzkaller #0 [ 323.665542][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 323.674278][ T31] task:syz-executor state:D stack:26920 pid:6904 tgid:6904 ppid:6125 task_flags:0x400000 flags:0x00080002 [ 323.686310][ T31] Call Trace: [ 323.689626][ T31] [ 323.692668][ T31] __schedule+0x125c/0x6730 [ 323.697279][ T31] ? __pfx___schedule+0x10/0x10 [ 323.702246][ T31] ? find_held_lock+0x2b/0x80 [ 323.706979][ T31] ? schedule+0x225/0x2c0 [ 323.711426][ T31] schedule+0xdd/0x2c0 [ 323.715559][ T31] io_schedule+0x8a/0xf0 [ 323.719836][ T31] bit_wait_io+0xd/0xe0 [ 323.724094][ T31] __wait_on_bit+0x65/0x180 [ 323.728674][ T31] ? __pfx_bit_wait_io+0x10/0x10 [ 323.733742][ T31] out_of_line_wait_on_bit+0xdc/0x110 [ 323.739182][ T31] ? __pfx_out_of_line_wait_on_bit+0x10/0x10 [ 323.745263][ T31] ? __pfx_wake_bit_function+0x10/0x10 [ 323.750796][ T31] ? __pfx___might_resched+0x10/0x10 [ 323.756178][ T31] ? ext4_bread_batch+0x151/0x510 [ 323.761299][ T31] __wait_on_buffer+0x64/0x70 [ 323.766008][ T31] __ext4_find_entry+0x930/0x11e0 [ 323.771154][ T31] ? __pfx___ext4_find_entry+0x10/0x10 [ 323.776725][ T31] ? __pfx_ext4_fname_prepare_lookup+0x10/0x10 [ 323.783004][ T31] ? __lock_acquire+0x49f/0x1a40 [ 323.788011][ T31] ext4_lookup+0x53d/0x730 [ 323.792565][ T31] ? __pfx_ext4_lookup+0x10/0x10 [ 323.797650][ T31] ? do_raw_spin_lock+0x128/0x260 [ 323.802763][ T31] ? do_raw_spin_unlock+0x145/0x1e0 [ 323.808015][ T31] ? _raw_spin_unlock+0x28/0x50 [ 323.812990][ T31] lookup_one_qstr_excl+0x1cd/0x250 [ 323.818247][ T31] ? mnt_want_write+0x161/0x410 [ 323.823196][ T31] filename_create+0x1cf/0x400 [ 323.828019][ T31] ? __pfx_filename_create+0x10/0x10 [ 323.833563][ T31] ? find_held_lock+0x2b/0x80 [ 323.838305][ T31] filename_mkdirat+0xb9/0x5e0 [ 323.843185][ T31] ? __pfx_filename_mkdirat+0x10/0x10 [ 323.848610][ T31] ? strncpy_from_user+0x19d/0x2d0 [ 323.853920][ T31] ? do_getname+0x191/0x390 [ 323.858549][ T31] __x64_sys_mkdir+0x6b/0x90 [ 323.863229][ T31] do_syscall_64+0x115/0x840 [ 323.867866][ T31] ? clear_bhb_loop+0x40/0x90 [ 323.872628][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 323.878675][ T31] RIP: 0033:0x7fec987c5d17 [ 323.883168][ T31] RSP: 002b:00007fffd684f358 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 323.891654][ T31] RAX: ffffffffffffffda RBX: 00007fffd684f492 RCX: 00007fec987c5d17 [ 323.899640][ T31] RDX: 000000000e46b895 RSI: 00000000000001c0 RDI: 00007fffd684f480 [ 323.907686][ T31] RBP: 8421084210842109 R08: 0000000000000000 R09: 0000000000000000 [ 323.915740][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000e46b895 [ 323.923809][ T31] R13: 00007fffd684f492 R14: 0000000000000004 R15: 00007fec98850200 [ 323.931881][ T31] [ 323.934983][ T31] [ 323.934983][ T31] Showing all locks held in the system: [ 323.942799][ T31] 6 locks held by kworker/u8:0/12: [ 323.947942][ T31] #0: ffff88801ee8b940 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 [ 323.958784][ T31] #1: ffffc90000117d08 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 [ 323.970829][ T31] #2: ffff88802d03e0d8 (&type->s_umount_key#33){++++}-{4:4}, at: super_trylock_shared+0x1e/0xf0 [ 323.981596][ T31] #3: ffff88802d03cc18 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x278/0x600 [ 323.991994][ T31] #4: ffff88802d03a938 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0 [ 324.001679][ T31] #5: ffff88806bc64d18 (&ei->i_data_sem#2){++++}-{4:4}, at: ext4_map_blocks+0x45a/0xd30 [ 324.011663][ T31] 1 lock held by khungtaskd/31: [ 324.016555][ T31] #0: ffffffff8e7e5ec0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x184 [ 324.026620][ T31] 2 locks held by getty/5381: [ 324.031362][ T31] #0: ffff8880365290a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 324.041246][ T31] #1: ffffc900032332e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x14e0 [ 324.051501][ T31] 3 locks held by syz.0.251/6903: [ 324.056576][ T31] #0: ffff888076aaf808 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x11d/0x590 [ 324.065976][ T31] #1: ffff88802d03e548 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x17a/0x440 [ 324.075636][ T31] #2: ffff88802d03a938 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0 [ 324.085375][ T31] 2 locks held by syz-executor/6904: [ 324.090696][ T31] #0: ffff88802d03e450 (sb_writers#4){.+.+}-{0:0}, at: filename_create+0x10d/0x400 [ 324.100228][ T31] #1: ffff88807dae9640 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x1c0/0x400 [ 324.111057][ T31] [ 324.113401][ T31] ============================================= [ 324.113401][ T31] [ 324.121928][ T31] NMI backtrace for cpu 1 [ 324.121964][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 324.121998][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 324.122015][ T31] Call Trace: [ 324.122024][ T31] [ 324.122036][ T31] dump_stack_lvl+0x100/0x190 [ 324.122102][ T31] nmi_cpu_backtrace.cold+0x12d/0x151 [ 324.122147][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 324.122215][ T31] nmi_trigger_cpumask_backtrace+0x21c/0x2a0 [ 324.122266][ T31] sys_info+0x141/0x190 [ 324.122303][ T31] watchdog+0xcb1/0x1030 [ 324.122361][ T31] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 324.122412][ T31] ? __pfx_watchdog+0x10/0x10 [ 324.122463][ T31] ? __kthread_parkme+0x18c/0x230 [ 324.122506][ T31] ? kthread+0x13a/0x450 [ 324.122549][ T31] ? __pfx_watchdog+0x10/0x10 [ 324.122596][ T31] kthread+0x370/0x450 [ 324.122640][ T31] ? __pfx_kthread+0x10/0x10 [ 324.122690][ T31] ret_from_fork+0x72b/0xd50 [ 324.122735][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 324.122781][ T31] ? __switch_to+0x800/0x10f0 [ 324.122820][ T31] ? __switch_to_asm+0x39/0x70 [ 324.122870][ T31] ? __pfx_kthread+0x10/0x10 [ 324.122918][ T31] ret_from_fork_asm+0x1a/0x30 [ 324.122987][ T31] [ 324.122999][ T31] Sending NMI from CPU 1 to CPUs 0: [ 324.254264][ C0] NMI backtrace for cpu 0 [ 324.254285][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 324.254314][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 324.254330][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 324.254375][ C0] Code: d6 86 02 c3 cc cc cc cc 0f 1f 00 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 c3 57 11 00 fb f4 bc 48 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 324.254399][ C0] RSP: 0018:ffffffff8e407e10 EFLAGS: 00000242 [ 324.254419][ C0] RAX: 000000000013ff31 RBX: ffffffff8e491480 RCX: ffffffff8b9a42d5 [ 324.254436][ C0] RDX: 0000000000000000 RSI: ffffffff8df59017 RDI: ffffffff8c1e8f80 [ 324.254452][ C0] RBP: fffffbfff1c92290 R08: 0000000000000001 R09: ffffed101708678d [ 324.254469][ C0] R10: ffff8880b8433c6b R11: 0000000000000000 R12: 0000000000000000 [ 324.254484][ C0] R13: 0000000000000000 R14: 1ffffffff1c80fc6 R15: dffffc0000000000 [ 324.254506][ C0] FS: 0000000000000000(0000) GS:ffff8881242e7000(0000) knlGS:0000000000000000 [ 324.254529][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 324.254546][ C0] CR2: 0000560fbaa2d168 CR3: 000000000e592000 CR4: 00000000003526f0 [ 324.254562][ C0] Call Trace: [ 324.254572][ C0] [ 324.254580][ C0] default_idle+0x9/0x10 [ 324.254606][ C0] default_idle_call+0x6c/0xb0 [ 324.254632][ C0] do_idle+0x3a7/0x5b0 [ 324.254663][ C0] ? __pfx_do_idle+0x10/0x10 [ 324.254696][ C0] cpu_startup_entry+0x4f/0x60 [ 324.254726][ C0] rest_init+0x251/0x260 [ 324.254755][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 324.254785][ C0] start_kernel+0x48e/0x490 [ 324.254810][ C0] x86_64_start_reservations+0x24/0x30 [ 324.254845][ C0] x86_64_start_kernel+0x12b/0x130 [ 324.254872][ C0] common_startup_64+0x13e/0x158 [ 324.254921][ C0] [ 324.255961][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 324.256016][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 324.256116][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 324.256176][ T31] Call Trace: [ 324.256207][ T31] [ 324.256239][ T31] dump_stack_lvl+0x100/0x190 [ 324.256361][ T31] vpanic+0x552/0x970 [ 324.256463][ T31] ? __pfx_vpanic+0x10/0x10 [ 324.256581][ T31] ? rcu_is_watching+0x12/0xc0 [ 324.256707][ T31] panic+0xd1/0xe0 [ 324.256787][ T31] ? __pfx_panic+0x10/0x10 [ 324.256868][ T31] ? nmi_trigger_cpumask_backtrace+0x1fa/0x2a0 [ 324.256991][ T31] ? nmi_trigger_cpumask_backtrace+0x260/0x2a0 [ 324.257115][ T31] ? nmi_trigger_cpumask_backtrace+0x26a/0x2a0 [ 324.257232][ T31] ? watchdog.cold+0x1ec/0x234 [ 324.257326][ T31] ? watchdog+0xcc1/0x1030 [ 324.257469][ T31] watchdog.cold+0x1fd/0x234 [ 324.257588][ T31] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 324.257723][ T31] ? __pfx_watchdog+0x10/0x10 [ 324.257883][ T31] ? __kthread_parkme+0x18c/0x230 [ 324.258017][ T31] ? kthread+0x13a/0x450 [ 324.258122][ T31] ? __pfx_watchdog+0x10/0x10 [ 324.258248][ T31] kthread+0x370/0x450 [ 324.258373][ T31] ? __pfx_kthread+0x10/0x10 [ 324.258498][ T31] ret_from_fork+0x72b/0xd50 [ 324.258614][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 324.258731][ T31] ? __switch_to+0x800/0x10f0 [ 324.258822][ T31] ? __switch_to_asm+0x39/0x70 [ 324.258960][ T31] ? __pfx_kthread+0x10/0x10 [ 324.259086][ T31] ret_from_fork_asm+0x1a/0x30 [ 324.259273][ T31] [ 324.589949][ T31] Kernel Offset: disabled [ 324.594290][ T31] Rebooting in 86400 seconds..