Warning: Permanently added '10.128.1.160' (ED25519) to the list of known hosts.
2026/05/01 07:18:05 parsed 1 programs
[ 124.864223][ T6089] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 128.613317][ T4942] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 128.622416][ T4942] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 128.633647][ T4942] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 128.644612][ T4942] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 128.652355][ T4942] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 129.502050][ T6133] bridge0: port 1(bridge_slave_0) entered blocking state
[ 129.509397][ T6133] bridge0: port 1(bridge_slave_0) entered disabled state
[ 129.516611][ T6133] bridge_slave_0: entered allmulticast mode
[ 129.523747][ T6133] bridge_slave_0: entered promiscuous mode
[ 129.532005][ T6133] bridge0: port 2(bridge_slave_1) entered blocking state
[ 129.539764][ T6133] bridge0: port 2(bridge_slave_1) entered disabled state
[ 129.547127][ T6133] bridge_slave_1: entered allmulticast mode
[ 129.554752][ T6133] bridge_slave_1: entered promiscuous mode
[ 129.581353][ T6133] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 129.593392][ T6133] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 129.621989][ T6133] team0: Port device team_slave_0 added
[ 129.629553][ T6133] team0: Port device team_slave_1 added
[ 129.654337][ T6133] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 129.661485][ T6133] 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.
[ 129.687521][ T6133] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 129.700001][ T6133] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 129.707077][ T6133] 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.
[ 129.733308][ T6133] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 129.771110][ T6133] hsr_slave_0: entered promiscuous mode
[ 129.777795][ T6133] hsr_slave_1: entered promiscuous mode
[ 130.288222][ T6133] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 130.299242][ T6133] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 130.310270][ T6133] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 130.321731][ T6133] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 130.331755][ T6133] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 130.344117][ T6133] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 130.352409][ T6133] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 130.365836][ T6133] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 130.399134][ T6133] bridge0: port 2(bridge_slave_1) entered blocking state
[ 130.406347][ T6133] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 130.413898][ T6133] bridge0: port 1(bridge_slave_0) entered blocking state
[ 130.421076][ T6133] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 130.446412][ T48] bridge0: port 1(bridge_slave_0) entered disabled state
[ 130.455022][ T48] bridge0: port 2(bridge_slave_1) entered disabled state
[ 130.526775][ T6133] 8021q: adding VLAN 0 to HW filter on device bond0
[ 130.555530][ T6133] 8021q: adding VLAN 0 to HW filter on device team0
[ 130.572587][ T57] bridge0: port 1(bridge_slave_0) entered blocking state
[ 130.579793][ T57] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 130.599107][ T57] bridge0: port 2(bridge_slave_1) entered blocking state
[ 130.606305][ T57] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 131.150171][ T6133] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 131.212041][ T6133] veth0_vlan: entered promiscuous mode
[ 131.232301][ T6133] veth1_vlan: entered promiscuous mode
[ 131.275289][ T6133] veth0_macvtap: entered promiscuous mode
[ 131.297538][ T6133] veth1_macvtap: entered promiscuous mode
[ 131.324492][ T6133] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 131.342404][ T6133] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 131.366208][ T35] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 131.382658][ T35] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 131.402791][ T35] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 131.431450][ T35] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 131.620560][ T35] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 131.749834][ T35] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 132.886334][ T35] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 132.919730][ T1314] ieee802154 phy0 wpan0: encryption failed: -22
[ 132.931824][ T1314] ieee802154 phy1 wpan1: encryption failed: -22
[ 133.321448][ T48] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 133.335787][ T48] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 133.376967][ T57] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 133.386077][ T57] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 133.947892][ T35] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
2026/05/01 07:18:19 executed programs: 0
[ 134.437984][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 134.447240][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 134.459476][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 134.470256][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 134.479265][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 134.492213][ T35] bridge_slave_1: left allmulticast mode
[ 134.507208][ T35] bridge_slave_1: left promiscuous mode
[ 134.516204][ T35] bridge0: port 2(bridge_slave_1) entered disabled state
[ 134.527419][ T35] bridge_slave_0: left allmulticast mode
[ 134.536162][ T35] bridge_slave_0: left promiscuous mode
[ 134.541988][ T35] bridge0: port 1(bridge_slave_0) entered disabled state
[ 134.856396][ T35] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 134.867947][ T35] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 134.878960][ T35] bond0 (unregistering): Released all slaves
[ 135.021550][ T35] hsr_slave_0: left promiscuous mode
[ 135.031884][ T35] hsr_slave_1: left promiscuous mode
[ 135.039526][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 135.047323][ T35] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 135.058769][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 135.067970][ T35] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 135.084168][ T35] veth1_macvtap: left promiscuous mode
[ 135.089775][ T35] veth0_macvtap: left promiscuous mode
[ 135.095810][ T35] veth1_vlan: left promiscuous mode
[ 135.101131][ T35] veth0_vlan: left promiscuous mode
[ 135.399202][ T35] team0 (unregistering): Port device team_slave_1 removed
[ 135.422938][ T35] team0 (unregistering): Port device team_slave_0 removed
[ 136.513551][ T4942] Bluetooth: hci0: command tx timeout
[ 136.734387][ T6302] bridge0: port 1(bridge_slave_0) entered blocking state
[ 136.752100][ T6302] bridge0: port 1(bridge_slave_0) entered disabled state
[ 136.766962][ T6302] bridge_slave_0: entered allmulticast mode
[ 136.788640][ T6302] bridge_slave_0: entered promiscuous mode
[ 136.821000][ T6302] bridge0: port 2(bridge_slave_1) entered blocking state
[ 136.831757][ T6302] bridge0: port 2(bridge_slave_1) entered disabled state
[ 136.842117][ T6302] bridge_slave_1: entered allmulticast mode
[ 136.850530][ T6302] bridge_slave_1: entered promiscuous mode
[ 136.921690][ T6302] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 136.940248][ T6302] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 137.041350][ T6302] team0: Port device team_slave_0 added
[ 137.051995][ T6302] team0: Port device team_slave_1 added
[ 137.105187][ T6302] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 137.112240][ T6302] 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.
[ 137.139800][ T6302] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 137.152828][ T6302] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 137.180259][ T6302] 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.
[ 137.209805][ T6302] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 137.291460][ T6302] hsr_slave_0: entered promiscuous mode
[ 137.298862][ T6302] hsr_slave_1: entered promiscuous mode
[ 137.937515][ T6302] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 137.952353][ T6302] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 137.963912][ T6302] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 137.975333][ T6302] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 137.984329][ T6302] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 137.999170][ T6302] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 138.007475][ T6302] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 138.019075][ T6302] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 138.123721][ T6302] 8021q: adding VLAN 0 to HW filter on device bond0
[ 138.150689][ T6302] 8021q: adding VLAN 0 to HW filter on device team0
[ 138.166678][ T12] bridge0: port 1(bridge_slave_0) entered blocking state
[ 138.173922][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 138.200644][ T48] bridge0: port 2(bridge_slave_1) entered blocking state
[ 138.207882][ T48] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 138.582722][ T6302] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 138.593744][ T4942] Bluetooth: hci0: command tx timeout
[ 138.634066][ T6302] veth0_vlan: entered promiscuous mode
[ 138.645309][ T6302] veth1_vlan: entered promiscuous mode
[ 138.672031][ T6302] veth0_macvtap: entered promiscuous mode
[ 138.680870][ T6302] veth1_macvtap: entered promiscuous mode
[ 138.700259][ T6302] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 138.714755][ T6302] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 138.728488][ T35] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 138.737494][ T35] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 138.748413][ T35] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 138.757520][ T57] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 138.818035][ T35] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 138.830702][ T35] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 138.856879][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 138.865650][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2026/05/01 07:18:24 executed programs: 16
[ 140.678706][ T4942] Bluetooth: hci0: command tx timeout
[ 142.757560][ T4942] Bluetooth: hci0: command tx timeout
[ 194.355056][ T1314] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.361386][ T1314] ieee802154 phy1 wpan1: encryption failed: -22
[ 255.805342][ T1314] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.811726][ T1314] ieee802154 phy1 wpan1: encryption failed: -22
[ 257.873460][ T50] Bluetooth: hci0: command 0x0406 tx timeout
[ 305.073441][ T30] INFO: task kworker/u8:2:35 blocked in I/O wait for more than 143 seconds.
[ 305.082205][ T30] Not tainted syzkaller #0
[ 305.087709][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 305.096467][ T30] task:kworker/u8:2 state:D stack:23272 pid:35 tgid:35 ppid:2 task_flags:0x4248160 flags:0x00080000
[ 305.108648][ T30] Workqueue: writeback wb_workfn (flush-8:0)
[ 305.114747][ T30] Call Trace:
[ 305.118019][ T30]
[ 305.120946][ T30] __schedule+0x10e9/0x6820
[ 305.125511][ T30] ? __pfx_blk_mq_flush_plug_list+0x10/0x10
[ 305.131563][ T30] ? __blk_flush_plug+0x2f3/0x4b0
[ 305.136699][ T30] ? __pfx___schedule+0x10/0x10
[ 305.141601][ T30] ? find_held_lock+0x2b/0x80
[ 305.146333][ T30] ? schedule+0x2bf/0x390
[ 305.150707][ T30] schedule+0xdd/0x390
[ 305.154938][ T30] io_schedule+0x8a/0xf0
[ 305.161972][ T30] bit_wait_io+0xd/0xe0
[ 305.166245][ T30] __wait_on_bit+0x65/0x180
[ 305.170776][ T30] ? __pfx_bit_wait_io+0x10/0x10
[ 305.175800][ T30] out_of_line_wait_on_bit+0xdc/0x110
[ 305.181197][ T30] ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[ 305.187240][ T30] ? __pfx_wake_bit_function+0x10/0x10
[ 305.193228][ T30] do_get_write_access+0x84f/0x1220
[ 305.198483][ T30] jbd2_journal_get_write_access+0x1d6/0x280
[ 305.204558][ T30] __ext4_journal_get_write_access+0x6a/0x340
[ 305.210669][ T30] ext4_mb_mark_context+0x1df/0xdb0
[ 305.215942][ T30] ? ext4_sb_block_valid+0x378/0x640
[ 305.221348][ T30] ? __pfx_ext4_mb_mark_context+0x10/0x10
[ 305.227131][ T30] ext4_mb_mark_diskspace_used+0x472/0x800
[ 305.232973][ T30] ? __pfx_ext4_mb_mark_diskspace_used+0x10/0x10
[ 305.239372][ T30] ? kmem_cache_alloc_noprof+0x292/0x6e0
[ 305.245067][ T30] ? ext4_mb_new_blocks+0x2875/0x4c60
[ 305.250450][ T30] ext4_mb_new_blocks+0x93d/0x4c60
[ 305.255611][ T30] ? trace_kmalloc+0xe3/0x110
[ 305.260314][ T30] ? __kasan_kmalloc+0xaa/0xb0
[ 305.265119][ T30] ? __kmalloc_noprof+0x320/0x850
[ 305.270448][ T30] ? __pfx_ext4_mb_new_blocks+0x10/0x10
[ 305.276076][ T30] ? ext4_ext_search_right+0x2cc/0xd60
[ 305.281564][ T30] ? ext4_inode_to_goal_block+0x354/0x410
[ 305.287350][ T30] ext4_ext_map_blocks+0x1c74/0x5930
[ 305.293109][ T30] ? stack_trace_save+0x8e/0xc0
[ 305.298090][ T30] ? __pfx_stack_trace_save+0x10/0x10
[ 305.303538][ T30] ? stack_depot_save_flags+0x27/0x9d0
[ 305.309030][ T30] ? __pfx_ext4_ext_map_blocks+0x10/0x10
[ 305.314730][ T30] ? __lock_acquire+0x4a5/0x2630
[ 305.319682][ T30] ? __writeback_single_inode+0x164/0x1350
[ 305.325535][ T30] ? writeback_sb_inodes+0x766/0x1c60
[ 305.330925][ T30] ? __writeback_inodes_wb+0xf8/0x2d0
[ 305.336395][ T30] ? wb_writeback+0x720/0xb90
[ 305.341139][ T30] ? wb_workfn+0x8dd/0xc00
[ 305.345587][ T30] ? process_one_work+0xa0e/0x1980
[ 305.350719][ T30] ? worker_thread+0x5ef/0xe50
[ 305.355582][ T30] ? kthread+0x370/0x450
[ 305.359857][ T30] ? ret_from_fork+0x72b/0xd50
[ 305.364678][ T30] ext4_map_create_blocks+0xec/0x5e0
[ 305.369997][ T30] ext4_map_blocks+0x46b/0xd30
[ 305.374855][ T30] ? __pfx_ext4_map_blocks+0x10/0x10
[ 305.380162][ T30] ? kmem_cache_alloc_noprof+0x292/0x6e0
[ 305.385840][ T30] ? ext4_ext_index_trans_blocks+0x167/0x1a0
[ 305.391865][ T30] ? __ext4_journal_ensure_credits+0x265/0x2f0
[ 305.398679][ T30] ext4_do_writepages+0x2313/0x3f20
[ 305.404008][ T30] ? __pfx_ext4_do_writepages+0x10/0x10
[ 305.409602][ T30] ? ext4_writepages+0x347/0x790
[ 305.414572][ T30] ext4_writepages+0x347/0x790
[ 305.419352][ T30] ? __pfx_ext4_writepages+0x10/0x10
[ 305.424709][ T30] ? __pfx_ext4_writepages+0x10/0x10
[ 305.430020][ T30] do_writepages+0x278/0x600
[ 305.434665][ T30] ? __pfx_do_writepages+0x10/0x10
[ 305.439899][ T30] __writeback_single_inode+0x164/0x1350
[ 305.445588][ T30] ? find_held_lock+0x2b/0x80
[ 305.450290][ T30] ? __pfx___writeback_single_inode+0x10/0x10
[ 305.456404][ T30] ? do_raw_spin_unlock+0x145/0x1e0
[ 305.461665][ T30] writeback_sb_inodes+0x766/0x1c60
[ 305.466950][ T30] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 305.472734][ T30] ? _raw_spin_unlock+0x28/0x50
[ 305.477627][ T30] ? move_expired_inodes+0x5ea/0x8f0
[ 305.483130][ T30] __writeback_inodes_wb+0xf8/0x2d0
[ 305.488400][ T30] ? __pfx___writeback_inodes_wb+0x10/0x10
[ 305.494294][ T30] ? queue_io+0x287/0x540
[ 305.499050][ T30] wb_writeback+0x720/0xb90
[ 305.503650][ T30] ? __pfx_wb_writeback+0x10/0x10
[ 305.508695][ T30] ? get_nr_inodes+0x100/0x150
[ 305.513512][ T30] ? _raw_spin_unlock_irq+0x23/0x50
[ 305.518726][ T30] wb_workfn+0x8dd/0xc00
[ 305.522989][ T30] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 305.528828][ T30] ? __pfx_wb_workfn+0x10/0x10
[ 305.533645][ T30] ? rcu_is_watching+0x12/0xc0
[ 305.538466][ T30] process_one_work+0xa0e/0x1980
[ 305.543466][ T30] ? __pfx_process_one_work+0x10/0x10
[ 305.548898][ T30] ? __pfx_wb_workfn+0x10/0x10
[ 305.553708][ T30] worker_thread+0x5ef/0xe50
[ 305.558358][ T30] ? kthread+0x13a/0x450
[ 305.562699][ T30] ? __pfx_worker_thread+0x10/0x10
[ 305.567852][ T30] kthread+0x370/0x450
[ 305.572007][ T30] ? __pfx_kthread+0x10/0x10
[ 305.576634][ T30] ret_from_fork+0x72b/0xd50
[ 305.581272][ T30] ? __pfx_ret_from_fork+0x10/0x10
[ 305.586416][ T30] ? __switch_to+0x800/0x1100
[ 305.591167][ T30] ? __switch_to_asm+0x39/0x70
[ 305.595968][ T30] ? __pfx_kthread+0x10/0x10
[ 305.600983][ T30] ret_from_fork_asm+0x1a/0x30
[ 305.605839][ T30]
[ 305.608954][ T30] INFO: task jbd2/sda1-8:4953 blocked in I/O wait for more than 143 seconds.
[ 305.617752][ T30] Not tainted syzkaller #0
[ 305.622696][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 305.631410][ T30] task:jbd2/sda1-8 state:D stack:26760 pid:4953 tgid:4953 ppid:2 task_flags:0x240040 flags:0x00080000
[ 305.643507][ T30] Call Trace:
[ 305.646794][ T30]
[ 305.649719][ T30] __schedule+0x10e9/0x6820
[ 305.654314][ T30] ? __pfx___schedule+0x10/0x10
[ 305.659179][ T30] ? find_held_lock+0x2b/0x80
[ 305.663934][ T30] ? schedule+0x2bf/0x390
[ 305.668285][ T30] schedule+0xdd/0x390
[ 305.672345][ T30] io_schedule+0x8a/0xf0
[ 305.676662][ T30] bit_wait_io+0xd/0xe0
[ 305.680847][ T30] __wait_on_bit+0x65/0x180
[ 305.685421][ T30] ? __pfx_bit_wait_io+0x10/0x10
[ 305.690489][ T30] out_of_line_wait_on_bit+0xdc/0x110
[ 305.695958][ T30] ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[ 305.702501][ T30] ? __pfx_wake_bit_function+0x10/0x10
[ 305.708057][ T30] ? __pfx___might_resched+0x10/0x10
[ 305.713468][ T30] __wait_on_buffer+0x64/0x70
[ 305.718194][ T30] jbd2_journal_commit_transaction+0x388a/0x6870
[ 305.724607][ T30] ? __pfx_jbd2_journal_commit_transaction+0x10/0x10
[ 305.731311][ T30] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 305.737169][ T30] ? debug_object_deactivate+0x2e4/0x3b0
[ 305.742825][ T30] ? __pfx_debug_object_deactivate+0x10/0x10
[ 305.748953][ T30] ? find_held_lock+0x2b/0x80
[ 305.753711][ T30] ? __try_to_del_timer_sync+0x107/0x160
[ 305.759437][ T30] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 305.765290][ T30] ? __timer_delete_sync+0x151/0x1c0
[ 305.770600][ T30] kjournald2+0x200/0x760
[ 305.775010][ T30] ? __pfx_kjournald2+0x10/0x10
[ 305.779897][ T30] ? find_held_lock+0x2b/0x80
[ 305.784919][ T30] ? __kthread_parkme+0xbb/0x230
[ 305.789929][ T30] ? rcu_is_watching+0x12/0xc0
[ 305.794775][ T30] ? __pfx_autoremove_wake_function+0x10/0x10
[ 305.800876][ T30] ? __kthread_parkme+0x18c/0x230
[ 305.806616][ T30] ? kthread+0x13a/0x450
[ 305.810977][ T30] ? __pfx_kjournald2+0x10/0x10
[ 305.815900][ T30] kthread+0x370/0x450
[ 305.819998][ T30] ? __pfx_kthread+0x10/0x10
[ 305.824648][ T30] ret_from_fork+0x72b/0xd50
[ 305.829307][ T30] ? __pfx_ret_from_fork+0x10/0x10
[ 305.834522][ T30] ? __switch_to+0x800/0x1100
[ 305.839230][ T30] ? __switch_to_asm+0x39/0x70
[ 305.844146][ T30] ? __pfx_kthread+0x10/0x10
[ 305.848785][ T30] ret_from_fork_asm+0x1a/0x30
[ 305.853639][ T30]
[ 305.856705][ T30] INFO: task syz.0.226:6848 blocked in I/O wait for more than 144 seconds.
[ 305.865560][ T30] Not tainted syzkaller #0
[ 305.870524][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 305.879228][ T30] task:syz.0.226 state:D stack:28104 pid:6848 tgid:6848 ppid:6302 task_flags:0x440040 flags:0x00080002
[ 305.891219][ T30] Call Trace:
[ 305.894538][ T30]
[ 305.897480][ T30] __schedule+0x10e9/0x6820
[ 305.901992][ T30] ? __pfx___schedule+0x10/0x10
[ 305.907479][ T30] ? find_held_lock+0x2b/0x80
[ 305.912208][ T30] ? schedule+0x2bf/0x390
[ 305.916671][ T30] schedule+0xdd/0x390
[ 305.920803][ T30] io_schedule+0x8a/0xf0
[ 305.925144][ T30] bit_wait_io+0xd/0xe0
[ 305.929331][ T30] __wait_on_bit+0x65/0x180
[ 305.933913][ T30] ? __pfx_bit_wait_io+0x10/0x10
[ 305.938926][ T30] out_of_line_wait_on_bit+0xdc/0x110
[ 305.944498][ T30] ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[ 305.950517][ T30] ? __pfx_wake_bit_function+0x10/0x10
[ 305.956179][ T30] do_get_write_access+0x84f/0x1220
[ 305.961453][ T30] jbd2_journal_get_write_access+0x1d6/0x280
[ 305.967521][ T30] __ext4_journal_get_write_access+0x6a/0x340
[ 305.973665][ T30] ext4_reserve_inode_write+0x1b7/0x330
[ 305.979230][ T30] __ext4_mark_inode_dirty+0x18f/0x890
[ 305.984732][ T30] ? __pfx___ext4_mark_inode_dirty+0x10/0x10
[ 305.990751][ T30] ? trace_jbd2_handle_start+0x82/0x260
[ 305.996348][ T30] ? jbd2__journal_start+0xf7/0x6a0
[ 306.001573][ T30] ? __ext4_journal_start_sb+0x36d/0x670
[ 306.007328][ T30] ? __ext4_journal_start_sb+0x1ce/0x670
[ 306.013393][ T30] ? ext4_dirty_inode+0xa1/0x130
[ 306.018371][ T30] ? __pfx_ext4_dirty_inode+0x10/0x10
[ 306.023834][ T30] ext4_dirty_inode+0xd9/0x130
[ 306.028651][ T30] ? rcu_is_watching+0x12/0xc0
[ 306.033469][ T30] __mark_inode_dirty+0x1f3/0x1720
[ 306.038601][ T30] file_update_time_flags+0x46b/0x500
[ 306.044114][ T30] ext4_page_mkwrite+0x324/0x1890
[ 306.049176][ T30] ? __pfx_ext4_page_mkwrite+0x10/0x10
[ 306.054734][ T30] do_page_mkwrite+0x17a/0x440
[ 306.059542][ T30] ? __pfx_filemap_map_pages+0x10/0x10
[ 306.065101][ T30] do_fault+0x3b5/0x1750
[ 306.069369][ T30] __handle_mm_fault+0x187d/0x2a00
[ 306.074540][ T30] ? reacquire_held_locks+0xce/0x1e0
[ 306.079843][ T30] ? __pfx___handle_mm_fault+0x10/0x10
[ 306.085446][ T30] ? lock_vma_under_rcu+0x17c/0x590
[ 306.090691][ T30] handle_mm_fault+0x36d/0xa20
[ 306.095596][ T30] do_user_addr_fault+0x5a3/0x12f0
[ 306.100789][ T30] exc_page_fault+0x6f/0xd0
[ 306.105366][ T30] asm_exc_page_fault+0x26/0x30
[ 306.110247][ T30] RIP: 0033:0x7fc8ec861f91
[ 306.114717][ T30] RSP: 002b:00007ffc293e2c00 EFLAGS: 00010202
[ 306.120814][ T30] RAX: 0000001b2d860000 RBX: 0000000000000000 RCX: 000000000003fde8
[ 306.128861][ T30] RDX: 0000001b2d85ffff RSI: 0000000000000008 RDI: 00007fc8ed6f5720
[ 306.136982][ T30] RBP: 00007fc8ed6f5720 R08: 0000000000000000 R09: 00007fc8ecbc6038
[ 306.145034][ T30] R10: 00007fc8ed6f5700 R11: 0000000000000000 R12: 0000000000000000
[ 306.153020][ T30] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[ 306.161094][ T30]
[ 306.164240][ T30] INFO: task syz-executor:6850 blocked in I/O wait for more than 144 seconds.
[ 306.173129][ T30] Not tainted syzkaller #0
[ 306.178264][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 306.186998][ T30] task:syz-executor state:D stack:27096 pid:6850 tgid:6850 ppid:6089 task_flags:0x440000 flags:0x00080002
[ 306.199281][ T30] Call Trace:
[ 306.202613][ T30]
[ 306.205704][ T30] __schedule+0x10e9/0x6820
[ 306.210463][ T30] ? __pfx___schedule+0x10/0x10
[ 306.215379][ T30] ? find_held_lock+0x2b/0x80
[ 306.220095][ T30] ? schedule+0x2bf/0x390
[ 306.224479][ T30] schedule+0xdd/0x390
[ 306.228654][ T30] io_schedule+0x8a/0xf0
[ 306.232900][ T30] bit_wait_io+0xd/0xe0
[ 306.237105][ T30] __wait_on_bit+0x65/0x180
[ 306.241713][ T30] ? __pfx_bit_wait_io+0x10/0x10
[ 306.246705][ T30] out_of_line_wait_on_bit+0xdc/0x110
[ 306.252109][ T30] ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[ 306.258196][ T30] ? __pfx_wake_bit_function+0x10/0x10
[ 306.263727][ T30] do_get_write_access+0x84f/0x1220
[ 306.268938][ T30] jbd2_journal_get_write_access+0x1d6/0x280
[ 306.275124][ T30] __ext4_journal_get_write_access+0x6a/0x340
[ 306.281244][ T30] __ext4_new_inode+0x180c/0x5340
[ 306.286329][ T30] ? __pfx___ext4_new_inode+0x10/0x10
[ 306.292011][ T30] ? __pfx___dquot_initialize+0x10/0x10
[ 306.297618][ T30] ? make_vfsuid+0xec/0x140
[ 306.302138][ T30] ext4_mkdir+0x285/0xc40
[ 306.306571][ T30] ? __pfx_ext4_mkdir+0x10/0x10
[ 306.311468][ T30] vfs_mkdir+0x361/0x850
[ 306.316001][ T30] filename_mkdirat+0x48b/0x5e0
[ 306.321009][ T30] ? __pfx_filename_mkdirat+0x10/0x10
[ 306.326466][ T30] ? strncpy_from_user+0x19d/0x2d0
[ 306.331607][ T30] ? do_getname+0x191/0x390
[ 306.336206][ T30] __x64_sys_mkdir+0x6b/0x90
[ 306.340827][ T30] do_syscall_64+0x10b/0xf80
[ 306.345501][ T30] ? clear_bhb_loop+0x40/0x90
[ 306.350215][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 306.356162][ T30] RIP: 0033:0x7f266c5c64d7
[ 306.360595][ T30] RSP: 002b:00007ffd66709fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 306.369050][ T30] RAX: ffffffffffffffda RBX: 00007ffd6670a102 RCX: 00007f266c5c64d7
[ 306.377087][ T30] RDX: 00000000020a35ee RSI: 00000000000001c0 RDI: 00007ffd6670a0f0
[ 306.385137][ T30] RBP: 8421084210842109 R08: 0000000000000000 R09: 0000000000000000
[ 306.393695][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000020a35ee
[ 306.401693][ T30] R13: 00007ffd6670a102 R14: 0000000000000004 R15: 00007f266c650300
[ 306.409828][ T30]
[ 306.412887][ T30]
[ 306.412887][ T30] Showing all locks held in the system:
[ 306.421854][ T30] 1 lock held by khungtaskd/30:
[ 306.426878][ T30] #0: ffffffff8e7e52e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x184
[ 306.436836][ T30] 6 locks held by kworker/u8:2/35:
[ 306.441936][ T30] #0: ffff888020af0140 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x12d6/0x1980
[ 306.452750][ T30] #1: ffffc90000ab7d08 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x973/0x1980
[ 306.464707][ T30] #2: ffff88802679c0d8 (&type->s_umount_key#33){++++}-{4:4}, at: super_trylock_shared+0x1e/0xf0
[ 306.475347][ T30] #3: ffff88802679ac18 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x278/0x600
[ 306.485805][ T30] #4: ffff888026798938 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0
[ 306.495516][ T30] #5: ffff888071e3b0f0 (&ei->i_data_sem){++++}-{4:4}, at: ext4_map_blocks+0x45a/0xd30
[ 306.505339][ T30] 1 lock held by klogd/4980:
[ 306.509940][ T30] #0: ffff8880b853b3e0 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2c/0x140
[ 306.519980][ T30] 2 locks held by getty/5380:
[ 306.524788][ T30] #0: ffff8880339a40a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80
[ 306.534783][ T30] #1: ffffc9000322b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x14f0
[ 306.544972][ T30] 3 locks held by syz.0.226/6848:
[ 306.550158][ T30] #0: ffff888059fe9d08 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x11d/0x590
[ 306.559491][ T30] #1: ffff88802679c508 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x17a/0x440
[ 306.569068][ T30] #2: ffff888026798938 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0
[ 306.578713][ T30] 3 locks held by syz-executor/6850:
[ 306.584052][ T30] #0: ffff88802679c410 (sb_writers#4){.+.+}-{0:0}, at: filename_create+0x10d/0x400
[ 306.593548][ T30] #1: ffff888077866a98 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x1c0/0x400
[ 306.604276][ T30] #2: ffff888026798938 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0
[ 306.613970][ T30] 2 locks held by dhcpcd/6866:
[ 306.618819][ T30] #0: ffff888025e06260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2c/0xf50
[ 306.629259][ T30] #1: ffffffff8e7f0e28 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock+0x27f/0x3c0
[ 306.639502][ T30] 2 locks held by dhcpcd/6867:
[ 306.644552][ T30] #0: ffff88807cd0e260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2c/0xf50
[ 306.654558][ T30] #1: ffffffff8e7f0e28 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock+0x19e/0x3c0
[ 306.664684][ T30]
[ 306.667034][ T30] =============================================
[ 306.667034][ T30]
[ 306.675649][ T30] NMI backtrace for cpu 0
[ 306.675684][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 306.675715][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 306.675730][ T30] Call Trace:
[ 306.675738][ T30]
[ 306.675748][ T30] dump_stack_lvl+0x100/0x190
[ 306.675782][ T30] nmi_cpu_backtrace.cold+0x12d/0x151
[ 306.675814][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 306.675842][ T30] nmi_trigger_cpumask_backtrace+0x1d7/0x230
[ 306.675883][ T30] sys_info+0x141/0x190
[ 306.675920][ T30] watchdog+0xcb1/0x1030
[ 306.675965][ T30] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 306.675997][ T30] ? __pfx_watchdog+0x10/0x10
[ 306.676036][ T30] ? __kthread_parkme+0x18c/0x230
[ 306.676076][ T30] ? kthread+0x13a/0x450
[ 306.676096][ T30] ? __pfx_watchdog+0x10/0x10
[ 306.676129][ T30] kthread+0x370/0x450
[ 306.676150][ T30] ? __pfx_kthread+0x10/0x10
[ 306.676173][ T30] ret_from_fork+0x72b/0xd50
[ 306.676204][ T30] ? __pfx_ret_from_fork+0x10/0x10
[ 306.676234][ T30] ? __switch_to+0x800/0x1100
[ 306.676269][ T30] ? __switch_to_asm+0x39/0x70
[ 306.676311][ T30] ? __pfx_kthread+0x10/0x10
[ 306.676337][ T30] ret_from_fork_asm+0x1a/0x30
[ 306.676383][ T30]
[ 306.676392][ T30] Sending NMI from CPU 0 to CPUs 1:
[ 306.807261][ C1] NMI backtrace for cpu 1
[ 306.807281][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full)
[ 306.807309][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 306.807322][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20
[ 306.807355][ C1] Code: 86 95 02 e9 c3 42 03 00 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 43 4f 24 00 fb f4 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
[ 306.807377][ C1] RSP: 0018:ffffc90000197df0 EFLAGS: 00000246
[ 306.807396][ C1] RAX: 00000000000ce455 RBX: ffff88801e688000 RCX: ffffffff8b874045
[ 306.807411][ C1] RDX: 0000000000000000 RSI: ffffffff8df1aa33 RDI: ffffffff8c1c2380
[ 306.807427][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed10170a67b5
[ 306.807446][ C1] R10: ffff8880b8533dab R11: 0000000000000000 R12: 0000000000000001
[ 306.807460][ C1] R13: ffffed1003cd1000 R14: 0000000000000001 R15: ffffffff90d7be50
[ 306.807475][ C1] FS: 0000000000000000(0000) GS:ffff88812447d000(0000) knlGS:0000000000000000
[ 306.807497][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 306.807512][ C1] CR2: 000055fb8063e660 CR3: 000000000e596000 CR4: 00000000003526f0
[ 306.807534][ C1] Call Trace:
[ 306.807543][ C1]
[ 306.807551][ C1] default_idle+0x9/0x10
[ 306.807582][ C1] default_idle_call+0x6c/0xb0
[ 306.807613][ C1] do_idle+0x464/0x590
[ 306.807645][ C1] ? __pfx_do_idle+0x10/0x10
[ 306.807672][ C1] ? finish_task_switch.isra.0+0x152/0x1010
[ 306.807708][ C1] cpu_startup_entry+0x4f/0x60
[ 306.807738][ C1] start_secondary+0x21d/0x2d0
[ 306.807761][ C1] ? __pfx_start_secondary+0x10/0x10
[ 306.807785][ C1] common_startup_64+0x13e/0x148
[ 306.807824][ C1]
[ 306.979335][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 306.986183][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 306.995373][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 307.005424][ T30] Call Trace:
[ 307.008892][ T30]
[ 307.011818][ T30] dump_stack_lvl+0x100/0x190
[ 307.016495][ T30] vpanic+0x552/0x970
[ 307.020484][ T30] ? __pfx_vpanic+0x10/0x10
[ 307.024976][ T30] ? nmi_trigger_cpumask_backtrace+0x182/0x230
[ 307.031132][ T30] ? nmi_trigger_cpumask_backtrace+0x182/0x230
[ 307.037297][ T30] panic+0xd1/0xe0
[ 307.041033][ T30] ? __pfx_panic+0x10/0x10
[ 307.045452][ T30] ? nmi_trigger_cpumask_backtrace+0x1b5/0x230
[ 307.051636][ T30] ? nmi_trigger_cpumask_backtrace+0x1f6/0x230
[ 307.057818][ T30] ? nmi_trigger_cpumask_backtrace+0x200/0x230
[ 307.063991][ T30] ? watchdog.cold+0x1ec/0x234
[ 307.068765][ T30] ? watchdog+0xcc1/0x1030
[ 307.073199][ T30] watchdog.cold+0x1fd/0x234
[ 307.077808][ T30] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 307.083627][ T30] ? __pfx_watchdog+0x10/0x10
[ 307.088317][ T30] ? __kthread_parkme+0x18c/0x230
[ 307.093439][ T30] ? kthread+0x13a/0x450
[ 307.097677][ T30] ? __pfx_watchdog+0x10/0x10
[ 307.102361][ T30] kthread+0x370/0x450
[ 307.106428][ T30] ? __pfx_kthread+0x10/0x10
[ 307.111034][ T30] ret_from_fork+0x72b/0xd50
[ 307.115729][ T30] ? __pfx_ret_from_fork+0x10/0x10
[ 307.120858][ T30] ? __switch_to+0x800/0x1100
[ 307.125558][ T30] ? __switch_to_asm+0x39/0x70
[ 307.130361][ T30] ? __pfx_kthread+0x10/0x10
[ 307.134949][ T30] ret_from_fork_asm+0x1a/0x30
[ 307.139737][ T30]
[ 307.143330][ T30] Kernel Offset: disabled
[ 307.147665][ T30] Rebooting in 86400 seconds..