Warning: Permanently added '10.128.0.165' (ED25519) to the list of known hosts. 2026/02/20 07:09:32 parsed 1 programs [ 122.502100][ T6139] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 125.251911][ T58] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 125.266283][ T58] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 125.298657][ T58] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 125.308567][ T58] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 127.380324][ T5909] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 127.393860][ T5909] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 127.401914][ T5909] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 127.410614][ T5909] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 127.418450][ T5909] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 127.848577][ T6208] chnl_net:caif_netlink_parms(): no params data found [ 127.920085][ T6208] bridge0: port 1(bridge_slave_0) entered blocking state [ 127.927317][ T6208] bridge0: port 1(bridge_slave_0) entered disabled state [ 127.934563][ T6208] bridge_slave_0: entered allmulticast mode [ 127.941543][ T6208] bridge_slave_0: entered promiscuous mode [ 127.949737][ T6208] bridge0: port 2(bridge_slave_1) entered blocking state [ 127.957049][ T6208] bridge0: port 2(bridge_slave_1) entered disabled state [ 127.965432][ T6208] bridge_slave_1: entered allmulticast mode [ 127.973231][ T6208] bridge_slave_1: entered promiscuous mode [ 128.004527][ T6208] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 128.016814][ T6208] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 128.047319][ T6208] team0: Port device team_slave_0 added [ 128.055420][ T6208] team0: Port device team_slave_1 added [ 128.079054][ T6208] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 128.086564][ T6208] 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. [ 128.112910][ T6208] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 128.125356][ T6208] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 128.132324][ T6208] 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. [ 128.158752][ T6208] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 128.197500][ T6208] hsr_slave_0: entered promiscuous mode [ 128.203852][ T6208] hsr_slave_1: entered promiscuous mode [ 128.705864][ T6208] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 128.719362][ T6208] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 128.730376][ T6208] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 128.742265][ T6208] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 128.852827][ T6208] 8021q: adding VLAN 0 to HW filter on device bond0 [ 128.877220][ T6208] 8021q: adding VLAN 0 to HW filter on device team0 [ 128.891924][ T58] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.899110][ T58] bridge0: port 1(bridge_slave_0) entered forwarding state [ 128.916674][ T370] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.923883][ T370] bridge0: port 2(bridge_slave_1) entered forwarding state [ 129.224528][ T6208] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 129.287927][ T6208] veth0_vlan: entered promiscuous mode [ 129.302408][ T6208] veth1_vlan: entered promiscuous mode [ 129.342452][ T6208] veth0_macvtap: entered promiscuous mode [ 129.354212][ T6208] veth1_macvtap: entered promiscuous mode [ 129.381858][ T6208] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 129.400475][ T6208] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 129.423411][ T370] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 129.451161][ T370] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 129.472425][ T370] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 129.501647][ T370] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 129.667159][ T370] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 129.770412][ T370] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 129.872731][ T370] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 129.987597][ T370] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/02/20 07:09:44 executed programs: 0 [ 130.310784][ T5909] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 130.319384][ T5909] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 130.330342][ T5909] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 130.341288][ T5909] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 130.349219][ T5909] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 130.607827][ T6284] chnl_net:caif_netlink_parms(): no params data found [ 130.738665][ T6284] bridge0: port 1(bridge_slave_0) entered blocking state [ 130.746130][ T6284] bridge0: port 1(bridge_slave_0) entered disabled state [ 130.755712][ T6284] bridge_slave_0: entered allmulticast mode [ 130.765329][ T6284] bridge_slave_0: entered promiscuous mode [ 130.774345][ T6284] bridge0: port 2(bridge_slave_1) entered blocking state [ 130.781697][ T6284] bridge0: port 2(bridge_slave_1) entered disabled state [ 130.789207][ T6284] bridge_slave_1: entered allmulticast mode [ 130.797067][ T6284] bridge_slave_1: entered promiscuous mode [ 130.849991][ T6284] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 130.863308][ T6284] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 130.917900][ T6284] team0: Port device team_slave_0 added [ 130.928071][ T6284] team0: Port device team_slave_1 added [ 130.976770][ T6284] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 130.984856][ T6284] 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. [ 131.012681][ T6284] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 131.026585][ T6284] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 131.033815][ T6284] 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. [ 131.060951][ T6284] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 131.127170][ T6284] hsr_slave_0: entered promiscuous mode [ 131.134937][ T6284] hsr_slave_1: entered promiscuous mode [ 131.141663][ T6284] debugfs: 'hsr0' already exists in 'hsr' [ 131.147699][ T6284] Cannot create hsr debugfs directory [ 132.002415][ T370] bridge_slave_1: left allmulticast mode [ 132.015167][ T370] bridge_slave_1: left promiscuous mode [ 132.020996][ T370] bridge0: port 2(bridge_slave_1) entered disabled state [ 132.038040][ T370] bridge_slave_0: left allmulticast mode [ 132.043887][ T370] bridge_slave_0: left promiscuous mode [ 132.050139][ T370] bridge0: port 1(bridge_slave_0) entered disabled state [ 132.263414][ T370] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 132.277086][ T370] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 132.287884][ T370] bond0 (unregistering): Released all slaves [ 132.403647][ T5909] Bluetooth: hci0: command tx timeout [ 132.423721][ T370] hsr_slave_0: left promiscuous mode [ 132.429787][ T370] hsr_slave_1: left promiscuous mode [ 132.447610][ T370] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 132.456602][ T370] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 132.465699][ T370] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 132.473103][ T370] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 132.491312][ T370] veth1_macvtap: left promiscuous mode [ 132.497809][ T370] veth0_macvtap: left promiscuous mode [ 132.503863][ T370] veth1_vlan: left promiscuous mode [ 132.509140][ T370] veth0_vlan: left promiscuous mode [ 132.806804][ T370] team0 (unregistering): Port device team_slave_1 removed [ 132.826198][ T370] team0 (unregistering): Port device team_slave_0 removed [ 132.969548][ T1299] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.983642][ T1299] ieee802154 phy1 wpan1: encryption failed: -22 [ 133.215747][ T6284] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 133.230122][ T6284] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 133.245452][ T6284] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 133.258949][ T6284] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 133.464509][ T6284] 8021q: adding VLAN 0 to HW filter on device bond0 [ 133.498307][ T6284] 8021q: adding VLAN 0 to HW filter on device team0 [ 133.512742][ T81] bridge0: port 1(bridge_slave_0) entered blocking state [ 133.519952][ T81] bridge0: port 1(bridge_slave_0) entered forwarding state [ 133.558369][ T81] bridge0: port 2(bridge_slave_1) entered blocking state [ 133.565574][ T81] bridge0: port 2(bridge_slave_1) entered forwarding state [ 133.840290][ T6284] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 133.900192][ T6284] veth0_vlan: entered promiscuous mode [ 133.914464][ T6284] veth1_vlan: entered promiscuous mode [ 133.951776][ T6284] veth0_macvtap: entered promiscuous mode [ 133.966474][ T6284] veth1_macvtap: entered promiscuous mode [ 133.991078][ T6284] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 134.009706][ T6284] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 134.028288][ T58] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 134.041412][ T58] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 134.058199][ T58] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 134.071210][ T58] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 134.152634][ T58] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 134.173610][ T58] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 134.212737][ T368] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 134.225941][ T368] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 134.486345][ T5909] Bluetooth: hci0: command tx timeout 2026/02/20 07:09:49 executed programs: 20 [ 136.563638][ T5909] Bluetooth: hci0: command tx timeout [ 138.644645][ T5909] Bluetooth: hci0: command tx timeout [ 194.407615][ T1299] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.414726][ T1299] ieee802154 phy1 wpan1: encryption failed: -22 [ 252.803719][ T5141] Bluetooth: hci0: command 0x0406 tx timeout [ 255.847643][ T1299] ieee802154 phy0 wpan0: encryption failed: -22 [ 255.854026][ T1299] ieee802154 phy1 wpan1: encryption failed: -22 [ 284.643574][ T30] INFO: task kworker/u8:4:58 blocked for more than 143 seconds. [ 284.651319][ T30] Not tainted syzkaller #0 [ 284.656424][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.665166][ T30] task:kworker/u8:4 state:D stack:23176 pid:58 tgid:58 ppid:2 task_flags:0x4248060 flags:0x00080000 [ 284.677376][ T30] Workqueue: writeback wb_workfn (flush-8:0) [ 284.683510][ T30] Call Trace: [ 284.686815][ T30] [ 284.689774][ T30] __schedule+0xfee/0x60e0 [ 284.694305][ T30] ? __pfx_blk_mq_flush_plug_list+0x10/0x10 [ 284.700233][ T30] ? __lock_acquire+0x4a5/0x2630 [ 284.705234][ T30] ? __blk_flush_plug+0x2f3/0x4b0 [ 284.710851][ T30] ? __pfx___schedule+0x10/0x10 [ 284.715781][ T30] ? find_held_lock+0x2b/0x80 [ 284.720483][ T30] ? schedule+0x2bf/0x390 [ 284.724885][ T30] ? rq_qos_wait+0x21c/0x330 [ 284.729503][ T30] schedule+0xdd/0x390 [ 284.733837][ T30] io_schedule+0x8a/0xf0 [ 284.738100][ T30] rq_qos_wait+0x22d/0x330 [ 284.742507][ T30] ? __pfx_rq_qos_wait+0x10/0x10 [ 284.747506][ T30] ? __pfx_rq_qos_wake_function+0x10/0x10 [ 284.753268][ T30] ? __pfx_wbt_inflight_cb+0x10/0x10 [ 284.758745][ T30] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10 [ 284.764988][ T30] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 284.770916][ T30] wbt_wait+0x18a/0x310 [ 284.775128][ T30] ? __pfx_wbt_wait+0x10/0x10 [ 284.779826][ T30] ? bio_submit_split_bioset+0x5b6/0xa90 [ 284.785492][ T30] ? __pfx_wbt_wait+0x10/0x10 [ 284.790188][ T30] __rq_qos_throttle+0x56/0xa0 [ 284.795082][ T30] blk_mq_submit_bio+0xb68/0x2bf0 [ 284.800131][ T30] ? __pfx_blk_mq_submit_bio+0x10/0x10 [ 284.805661][ T30] __submit_bio+0x1e1/0x6c0 [ 284.810600][ T30] ? __pfx___submit_bio+0x10/0x10 [ 284.815711][ T30] ? __pfx_blk_cgroup_bio_start+0x10/0x10 [ 284.821453][ T30] ? submit_bio_noacct_nocheck+0x562/0xc10 [ 284.827303][ T30] submit_bio_noacct_nocheck+0x562/0xc10 [ 284.832950][ T30] ? pfn_valid+0x2ce/0x4e0 [ 284.837451][ T30] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10 [ 284.843653][ T30] ? __pfx___might_resched+0x10/0x10 [ 284.848937][ T30] ? bvec_try_merge_page+0x1cd/0x290 [ 284.854288][ T30] submit_bio_noacct+0xd17/0x2010 [ 284.859328][ T30] ext4_io_submit+0xf7/0x1a0 [ 284.863999][ T30] ext4_bio_write_folio+0x766/0x1dd0 [ 284.869327][ T30] mpage_process_page_bufs+0x473/0x8d0 [ 284.874902][ T30] mpage_prepare_extent_to_map+0xb50/0x1920 [ 284.880820][ T30] ? __pfx_mpage_prepare_extent_to_map+0x10/0x10 [ 284.887267][ T30] ? kmem_cache_alloc_noprof+0x292/0x6e0 [ 284.893013][ T30] ? ext4_init_io_end+0x24/0x170 [ 284.898045][ T30] ext4_do_writepages+0x9f9/0x3f50 [ 284.903189][ T30] ? __lock_acquire+0x4a5/0x2630 [ 284.908289][ T30] ? __lock_acquire+0x4a5/0x2630 [ 284.913766][ T30] ? __pfx_ext4_do_writepages+0x10/0x10 [ 284.919373][ T30] ? ext4_writepages+0x347/0x790 [ 284.924358][ T30] ext4_writepages+0x347/0x790 [ 284.929144][ T30] ? __pfx_ext4_writepages+0x10/0x10 [ 284.934644][ T30] ? __pfx_ext4_writepages+0x10/0x10 [ 284.939967][ T30] do_writepages+0x278/0x600 [ 284.944629][ T30] ? __pfx_do_writepages+0x10/0x10 [ 284.949795][ T30] __writeback_single_inode+0x164/0x13c0 [ 284.955511][ T30] ? find_held_lock+0x2b/0x80 [ 284.960212][ T30] ? __pfx___writeback_single_inode+0x10/0x10 [ 284.966583][ T30] ? do_raw_spin_unlock+0x145/0x1e0 [ 284.971809][ T30] writeback_sb_inodes+0x72e/0x1bf0 [ 284.977174][ T30] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 284.982830][ T30] ? do_raw_spin_lock+0x128/0x260 [ 284.987960][ T30] ? __pfx___up_read+0x10/0x10 [ 284.992744][ T30] ? move_expired_inodes+0x5ea/0x8f0 [ 284.998093][ T30] __writeback_inodes_wb+0xf8/0x2d0 [ 285.003324][ T30] ? __pfx___writeback_inodes_wb+0x10/0x10 [ 285.009176][ T30] ? queue_io+0x287/0x550 [ 285.014238][ T30] wb_writeback+0x755/0xbe0 [ 285.018789][ T30] ? __pfx_wb_writeback+0x10/0x10 [ 285.023859][ T30] ? get_nr_inodes+0x100/0x150 [ 285.028659][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 285.033924][ T30] wb_workfn+0x8c6/0xc00 [ 285.038186][ T30] ? try_to_wake_up+0x160/0x1a80 [ 285.043121][ T30] ? __pfx_wb_workfn+0x10/0x10 [ 285.048049][ T30] ? rcu_is_watching+0x12/0xc0 [ 285.052843][ T30] process_one_work+0x9d7/0x1920 [ 285.057873][ T30] ? __pfx_process_one_work+0x10/0x10 [ 285.063596][ T30] ? __pfx_wb_workfn+0x10/0x10 [ 285.068392][ T30] worker_thread+0x5da/0xe40 [ 285.073004][ T30] ? __pfx_worker_thread+0x10/0x10 [ 285.078198][ T30] ? kthread+0x13a/0x450 [ 285.082461][ T30] ? __pfx_worker_thread+0x10/0x10 [ 285.087663][ T30] kthread+0x370/0x450 [ 285.091750][ T30] ? __pfx_kthread+0x10/0x10 [ 285.096433][ T30] ret_from_fork+0x754/0xd80 [ 285.101044][ T30] ? __pfx_ret_from_fork+0x10/0x10 [ 285.106195][ T30] ? __switch_to+0x7b4/0x1120 [ 285.110884][ T30] ? __pfx_kthread+0x10/0x10 [ 285.116058][ T30] ret_from_fork_asm+0x1a/0x30 [ 285.120859][ T30] [ 285.124126][ T30] INFO: task syz.0.202:6792 blocked for more than 143 seconds. [ 285.131853][ T30] Not tainted syzkaller #0 [ 285.136858][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 285.145562][ T30] task:syz.0.202 state:D stack:28440 pid:6792 tgid:6792 ppid:6284 task_flags:0x440040 flags:0x00080002 [ 285.157590][ T30] Call Trace: [ 285.160881][ T30] [ 285.163856][ T30] __schedule+0xfee/0x60e0 [ 285.168295][ T30] ? __lock_acquire+0x4a5/0x2630 [ 285.173261][ T30] ? __pfx___schedule+0x10/0x10 [ 285.178172][ T30] ? find_held_lock+0x2b/0x80 [ 285.182877][ T30] ? schedule+0x2bf/0x390 [ 285.187365][ T30] schedule+0xdd/0x390 [ 285.191450][ T30] io_schedule+0x8a/0xf0 [ 285.195746][ T30] bit_wait_io+0xd/0xe0 [ 285.199912][ T30] __wait_on_bit+0x65/0x180 [ 285.204476][ T30] ? __pfx_bit_wait_io+0x10/0x10 [ 285.209431][ T30] out_of_line_wait_on_bit+0xdc/0x110 [ 285.214898][ T30] ? __pfx_out_of_line_wait_on_bit+0x10/0x10 [ 285.221347][ T30] ? __pfx_wake_bit_function+0x10/0x10 [ 285.226882][ T30] do_get_write_access+0x889/0x1210 [ 285.232122][ T30] ? jbd2_write_access_granted+0x61/0x3d0 [ 285.238108][ T30] jbd2_journal_get_write_access+0x1d6/0x280 [ 285.244194][ T30] __ext4_journal_get_write_access+0x6a/0x340 [ 285.250356][ T30] ext4_reserve_inode_write+0x1b7/0x330 [ 285.255968][ T30] __ext4_mark_inode_dirty+0x18f/0x8b0 [ 285.261460][ T30] ? __pfx___ext4_mark_inode_dirty+0x10/0x10 [ 285.267482][ T30] ? trace_jbd2_handle_start+0x83/0x270 [ 285.273069][ T30] ? jbd2__journal_start+0xf7/0x6a0 [ 285.278353][ T30] ? __ext4_journal_start_sb+0x382/0x6a0 [ 285.284061][ T30] ? __ext4_journal_start_sb+0x1ce/0x6a0 [ 285.289719][ T30] ? ext4_dirty_inode+0xa1/0x130 [ 285.294808][ T30] ? __pfx_ext4_dirty_inode+0x10/0x10 [ 285.300200][ T30] ext4_dirty_inode+0xd9/0x130 [ 285.305029][ T30] ? rcu_is_watching+0x12/0xc0 [ 285.309808][ T30] __mark_inode_dirty+0x1f3/0x1790 [ 285.315010][ T30] file_update_time_flags+0x46b/0x500 [ 285.320836][ T30] ext4_page_mkwrite+0x35b/0x1980 [ 285.325943][ T30] ? __pfx_ext4_page_mkwrite+0x10/0x10 [ 285.331423][ T30] ? __raw_spin_lock_init+0x3a/0x110 [ 285.336781][ T30] do_page_mkwrite+0x17a/0x440 [ 285.341598][ T30] do_fault+0x3d7/0x1950 [ 285.345965][ T30] ? __pmd_alloc+0x6aa/0x9c0 [ 285.350659][ T30] __handle_mm_fault+0x180f/0x2b60 [ 285.355909][ T30] ? reacquire_held_locks+0xce/0x1e0 [ 285.361218][ T30] ? __pfx___handle_mm_fault+0x10/0x10 [ 285.366775][ T30] ? lock_vma_under_rcu+0x17c/0x590 [ 285.372011][ T30] handle_mm_fault+0x36d/0xa20 [ 285.376848][ T30] do_user_addr_fault+0x5a3/0x12f0 [ 285.381994][ T30] exc_page_fault+0x6f/0xd0 [ 285.386536][ T30] asm_exc_page_fault+0x26/0x30 [ 285.391404][ T30] RIP: 0033:0x7f9978066bcb [ 285.395896][ T30] RSP: 002b:00007ffc661cabc0 EFLAGS: 00010246 [ 285.401988][ T30] RAX: 000000000003fde8 RBX: 0000000000000000 RCX: 0000000000000000 [ 285.409994][ T30] RDX: 0000001b2c720000 RSI: 0000000000040000 RDI: 00007f997838a710 [ 285.418016][ T30] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 285.426691][ T30] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 285.434780][ T30] R13: 0000000000000000 R14: 0000000000021fd0 R15: 00007ffc661cae50 [ 285.442792][ T30] [ 285.446181][ T30] [ 285.446181][ T30] Showing all locks held in the system: [ 285.456589][ T30] 1 lock held by khungtaskd/30: [ 285.461434][ T30] #0: ffffffff8e7e9220 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x184 [ 285.471502][ T30] 4 locks held by kworker/u8:4/58: [ 285.476803][ T30] #0: ffff888020ab7148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x1287/0x1920 [ 285.487696][ T30] #1: ffffc900015f7d08 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x93c/0x1920 [ 285.499826][ T30] #2: ffff8880368bc0e0 (&type->s_umount_key#33){++++}-{4:4}, at: super_trylock_shared+0x1e/0xf0 [ 285.510470][ T30] #3: ffff8880368bab98 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x278/0x600 [ 285.520849][ T30] 1 lock held by klogd/5180: [ 285.525505][ T30] #0: ffff8880b843b2e0 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2c/0x140 [ 285.535609][ T30] 2 locks held by getty/5580: [ 285.540294][ T30] #0: ffff8880378b20a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 285.550207][ T30] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x1500 [ 285.560409][ T30] 3 locks held by syz.0.202/6792: [ 285.565517][ T30] #0: ffff88802ab8fe48 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x11d/0x590 [ 285.574820][ T30] #1: ffff8880368bc518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x17a/0x440 [ 285.584426][ T30] #2: ffff8880368b8950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0 [ 285.594058][ T30] 3 locks held by syz-executor/6793: [ 285.599348][ T30] #0: ffff8880368bc420 (sb_writers#4){.+.+}-{0:0}, at: filename_create+0x10d/0x400 [ 285.608902][ T30] #1: ffff888076929710 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x1c0/0x400 [ 285.619629][ T30] #2: ffff8880368b8950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0 [ 285.629373][ T30] [ 285.631696][ T30] ============================================= [ 285.631696][ T30] [ 285.640148][ T30] NMI backtrace for cpu 1 [ 285.640180][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 285.640208][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 285.640221][ T30] Call Trace: [ 285.640229][ T30] [ 285.640238][ T30] dump_stack_lvl+0x100/0x190 [ 285.640277][ T30] nmi_cpu_backtrace.cold+0x12d/0x151 [ 285.640315][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 285.640352][ T30] nmi_trigger_cpumask_backtrace+0x1d7/0x230 [ 285.640393][ T30] sys_info+0x141/0x190 [ 285.640425][ T30] watchdog+0xd25/0x1050 [ 285.640459][ T30] ? __pfx_watchdog+0x10/0x10 [ 285.640502][ T30] ? __kthread_parkme+0x18c/0x230 [ 285.640537][ T30] ? kthread+0x13a/0x450 [ 285.640567][ T30] ? __pfx_watchdog+0x10/0x10 [ 285.640612][ T30] kthread+0x370/0x450 [ 285.640643][ T30] ? __pfx_kthread+0x10/0x10 [ 285.640676][ T30] ret_from_fork+0x754/0xd80 [ 285.640715][ T30] ? __pfx_ret_from_fork+0x10/0x10 [ 285.640754][ T30] ? __switch_to+0x7b4/0x1120 [ 285.640782][ T30] ? __pfx_kthread+0x10/0x10 [ 285.640817][ T30] ret_from_fork_asm+0x1a/0x30 [ 285.640861][ T30] [ 285.640875][ T30] Sending NMI from CPU 1 to CPUs 0: [ 285.760508][ C0] NMI backtrace for cpu 0 [ 285.760526][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 285.760554][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 285.760568][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 285.760604][ C0] Code: c8 85 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 e3 ba 1e 00 fb f4 bc 35 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 285.760626][ C0] RSP: 0018:ffffffff8e407e00 EFLAGS: 00000242 [ 285.760645][ C0] RAX: 0000000000169051 RBX: ffffffff8e4975c0 RCX: ffffffff8b8ccc75 [ 285.760661][ C0] RDX: 0000000000000000 RSI: ffffffff8de7a16b RDI: ffffffff8c1aeb20 [ 285.760676][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1017086795 [ 285.760691][ C0] R10: ffff8880b8433cab R11: 0000000000000000 R12: fffffbfff1c92eb8 [ 285.760706][ C0] R13: 0000000000000000 R14: ffffffff90d98910 R15: 0000000000000000 [ 285.760720][ C0] FS: 0000000000000000(0000) GS:ffff888124351000(0000) knlGS:0000000000000000 [ 285.760742][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 285.760757][ C0] CR2: 0000558dce7cf528 CR3: 000000000e598000 CR4: 00000000003526f0 [ 285.760773][ C0] Call Trace: [ 285.760781][ C0] [ 285.760789][ C0] default_idle+0x9/0x10 [ 285.760817][ C0] default_idle_call+0x6c/0xb0 [ 285.760846][ C0] do_idle+0x35b/0x4b0 [ 285.760883][ C0] ? __pfx_do_idle+0x10/0x10 [ 285.760923][ C0] cpu_startup_entry+0x4f/0x60 [ 285.760959][ C0] rest_init+0x251/0x260 [ 285.760989][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 285.761021][ C0] start_kernel+0x47f/0x480 [ 285.761049][ C0] x86_64_start_reservations+0x24/0x30 [ 285.761078][ C0] x86_64_start_kernel+0x12b/0x130 [ 285.761107][ C0] common_startup_64+0x13e/0x148 [ 285.761140][ C0] [ 285.941532][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 285.948397][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 285.957507][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 285.967652][ T30] Call Trace: [ 285.970928][ T30] [ 285.973850][ T30] dump_stack_lvl+0x100/0x190 [ 285.978550][ T30] vpanic+0x552/0x970 [ 285.982520][ T30] ? __pfx_vpanic+0x10/0x10 [ 285.987013][ T30] ? nmi_trigger_cpumask_backtrace+0x182/0x230 [ 285.993176][ T30] panic+0xd1/0xe0 [ 285.996897][ T30] ? __pfx_panic+0x10/0x10 [ 286.001330][ T30] ? wq_watchdog_touch+0xec/0x1a0 [ 286.006361][ T30] ? nmi_trigger_cpumask_backtrace+0x1be/0x230 [ 286.012530][ T30] ? watchdog.cold+0x198/0x1ca [ 286.017303][ T30] ? watchdog+0xd35/0x1050 [ 286.021726][ T30] watchdog.cold+0x1a9/0x1ca [ 286.026330][ T30] ? __pfx_watchdog+0x10/0x10 [ 286.031027][ T30] ? __kthread_parkme+0x18c/0x230 [ 286.036064][ T30] ? kthread+0x13a/0x450 [ 286.040317][ T30] ? __pfx_watchdog+0x10/0x10 [ 286.045012][ T30] kthread+0x370/0x450 [ 286.049101][ T30] ? __pfx_kthread+0x10/0x10 [ 286.053701][ T30] ret_from_fork+0x754/0xd80 [ 286.058308][ T30] ? __pfx_ret_from_fork+0x10/0x10 [ 286.063435][ T30] ? __switch_to+0x7b4/0x1120 [ 286.068123][ T30] ? __pfx_kthread+0x10/0x10 [ 286.072724][ T30] ret_from_fork_asm+0x1a/0x30 [ 286.077508][ T30] [ 286.080993][ T30] Kernel Offset: disabled [ 286.085321][ T30] Rebooting in 86400 seconds..