Warning: Permanently added '10.128.0.67' (ED25519) to the list of known hosts. 2026/05/01 08:10:36 parsed 1 programs [ 127.723900][ T6013] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 131.297654][ T6033] bridge0: port 1(bridge_slave_0) entered blocking state [ 131.304932][ T6033] bridge0: port 1(bridge_slave_0) entered disabled state [ 131.312199][ T6033] bridge_slave_0: entered allmulticast mode [ 131.319146][ T6033] bridge_slave_0: entered promiscuous mode [ 131.330645][ T6033] bridge0: port 2(bridge_slave_1) entered blocking state [ 131.337878][ T6033] bridge0: port 2(bridge_slave_1) entered disabled state [ 131.345153][ T6033] bridge_slave_1: entered allmulticast mode [ 131.352200][ T6033] bridge_slave_1: entered promiscuous mode [ 131.382694][ T6033] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 131.395116][ T6033] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 131.425363][ T6033] team0: Port device team_slave_0 added [ 131.433247][ T6033] team0: Port device team_slave_1 added [ 131.462354][ T6033] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 131.469405][ T6033] 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. [ 131.496084][ T6033] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 131.508947][ T6033] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 131.515955][ T6033] 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. [ 131.541874][ T6033] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 131.579450][ T6033] hsr_slave_0: entered promiscuous mode [ 131.585726][ T6033] hsr_slave_1: entered promiscuous mode [ 132.130058][ T6033] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 132.142472][ T6033] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 132.152103][ T6033] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 132.164854][ T6033] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 132.173510][ T6033] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 132.185696][ T6033] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 132.200323][ T6033] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 132.212103][ T6033] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 132.324039][ T6033] 8021q: adding VLAN 0 to HW filter on device bond0 [ 132.356578][ T6033] 8021q: adding VLAN 0 to HW filter on device team0 [ 132.374582][ T3404] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.381809][ T3404] bridge0: port 1(bridge_slave_0) entered forwarding state [ 132.404360][ T3404] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.411760][ T3404] bridge0: port 2(bridge_slave_1) entered forwarding state [ 132.958370][ T6033] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 132.982214][ T1314] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.991362][ T1314] ieee802154 phy1 wpan1: encryption failed: -22 [ 133.028408][ T6033] veth0_vlan: entered promiscuous mode [ 133.042111][ T6033] veth1_vlan: entered promiscuous mode [ 133.080885][ T6033] veth0_macvtap: entered promiscuous mode [ 133.091826][ T6033] veth1_macvtap: entered promiscuous mode [ 133.116358][ T6033] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 133.136286][ T6033] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 133.167419][ T3404] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 133.189491][ T3404] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 133.234494][ T3404] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 133.264077][ T3404] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 133.451862][ T1153] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 133.562905][ T1153] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 133.658460][ T1153] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 134.371899][ T4948] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 134.385307][ T4948] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 134.393760][ T4948] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 134.401916][ T4948] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 134.410479][ T4948] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 134.466673][ T1153] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 135.897505][ T1153] bridge_slave_1: left allmulticast mode [ 135.906241][ T1153] bridge_slave_1: left promiscuous mode [ 135.920776][ T1153] bridge0: port 2(bridge_slave_1) entered disabled state [ 135.946102][ T1153] bridge_slave_0: left allmulticast mode [ 135.958055][ T1153] bridge_slave_0: left promiscuous mode [ 135.972492][ T1153] bridge0: port 1(bridge_slave_0) entered disabled state [ 136.363573][ T1153] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 136.387333][ T1153] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 136.404224][ T1153] bond0 (unregistering): Released all slaves [ 136.521133][ T1153] hsr_slave_0: left promiscuous mode [ 136.527747][ T1153] hsr_slave_1: left promiscuous mode [ 136.534016][ T1153] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 136.542005][ T1153] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 136.550219][ T1153] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 136.557877][ T1153] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 136.571582][ T1153] veth1_macvtap: left promiscuous mode [ 136.577194][ T1153] veth0_macvtap: left promiscuous mode [ 136.582963][ T1153] veth1_vlan: left promiscuous mode [ 136.588447][ T1153] veth0_vlan: left promiscuous mode [ 136.887086][ T1153] team0 (unregistering): Port device team_slave_1 removed [ 136.921573][ T1153] team0 (unregistering): Port device team_slave_0 removed [ 137.626860][ T3404] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 137.639002][ T3404] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 138.203217][ T78] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 138.213215][ T78] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/05/01 08:10:53 executed programs: 0 [ 139.502858][ T5711] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 139.516303][ T5711] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 139.525289][ T5711] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 139.534220][ T5711] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 139.542450][ T5711] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 140.195336][ T5292] 8021q: adding VLAN 0 to HW filter on device eth1 [ 140.517818][ T6290] bridge0: port 1(bridge_slave_0) entered blocking state [ 140.525150][ T6290] bridge0: port 1(bridge_slave_0) entered disabled state [ 140.532900][ T6290] bridge_slave_0: entered allmulticast mode [ 140.541660][ T6290] bridge_slave_0: entered promiscuous mode [ 140.550565][ T6290] bridge0: port 2(bridge_slave_1) entered blocking state [ 140.557822][ T6290] bridge0: port 2(bridge_slave_1) entered disabled state [ 140.565425][ T6290] bridge_slave_1: entered allmulticast mode [ 140.573359][ T6290] bridge_slave_1: entered promiscuous mode [ 140.622510][ T6290] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 140.635571][ T6290] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 140.685649][ T6290] team0: Port device team_slave_0 added [ 140.694729][ T6290] team0: Port device team_slave_1 added [ 140.740517][ T6290] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 140.747621][ T6290] 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. [ 140.773749][ T6290] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 140.786915][ T5292] 8021q: adding VLAN 0 to HW filter on device eth2 [ 140.795559][ T6290] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 140.802561][ T6290] 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. [ 140.828755][ T6290] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 140.874028][ T6290] hsr_slave_0: entered promiscuous mode [ 140.880446][ T6290] hsr_slave_1: entered promiscuous mode [ 141.467821][ T6290] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 141.480789][ T6290] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 141.489177][ T6290] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 141.502408][ T6290] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 141.511165][ T6290] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 141.523562][ T6290] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 141.531726][ T6290] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 141.542437][ T6290] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 141.609691][ T5711] Bluetooth: hci0: command tx timeout [ 141.652244][ T6290] 8021q: adding VLAN 0 to HW filter on device bond0 [ 141.680455][ T6290] 8021q: adding VLAN 0 to HW filter on device team0 [ 141.695903][ T1153] bridge0: port 1(bridge_slave_0) entered blocking state [ 141.703155][ T1153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 141.726552][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 141.733784][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 142.276709][ T6290] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 142.344661][ T6290] veth0_vlan: entered promiscuous mode [ 142.363657][ T6290] veth1_vlan: entered promiscuous mode [ 142.406525][ T6290] veth0_macvtap: entered promiscuous mode [ 142.420022][ T6290] veth1_macvtap: entered promiscuous mode [ 142.445873][ T6290] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 142.466697][ T6290] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 142.486100][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 142.506367][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 142.527213][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 142.560698][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 142.628054][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 142.643592][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 142.681854][ T78] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 142.690622][ T78] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 143.689522][ T5711] Bluetooth: hci0: command tx timeout [ 145.769453][ T5711] Bluetooth: hci0: command tx timeout [ 147.849877][ T5711] Bluetooth: hci0: command tx timeout [ 194.410795][ T1314] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.417170][ T1314] ieee802154 phy1 wpan1: encryption failed: -22 [ 255.852006][ T1314] ieee802154 phy0 wpan0: encryption failed: -22 [ 255.858340][ T1314] ieee802154 phy1 wpan1: encryption failed: -22 [ 263.049477][ T5711] Bluetooth: hci0: command 0x0406 tx timeout [ 287.209641][ T30] INFO: task kworker/u8:14:3404 blocked in I/O wait for more than 143 seconds. [ 287.218630][ T30] Not tainted syzkaller #0 [ 287.223640][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.232731][ T30] task:kworker/u8:14 state:D stack:22880 pid:3404 tgid:3404 ppid:2 task_flags:0x4248060 flags:0x00080000 [ 287.244854][ T30] Workqueue: writeback wb_workfn (flush-8:0) [ 287.250954][ T30] Call Trace: [ 287.254251][ T30] [ 287.257210][ T30] __schedule+0x10e9/0x6820 [ 287.261845][ T30] ? __pfx_blk_mq_flush_plug_list+0x10/0x10 [ 287.267780][ T30] ? __blk_flush_plug+0x2f3/0x4b0 [ 287.272955][ T30] ? __pfx___schedule+0x10/0x10 [ 287.277848][ T30] ? find_held_lock+0x2b/0x80 [ 287.282665][ T30] ? schedule+0x2bf/0x390 [ 287.287029][ T30] ? rq_qos_wait+0x21c/0x330 [ 287.291707][ T30] schedule+0xdd/0x390 [ 287.295824][ T30] io_schedule+0x8a/0xf0 [ 287.300159][ T30] rq_qos_wait+0x22d/0x330 [ 287.304622][ T30] ? __pfx_rq_qos_wait+0x10/0x10 [ 287.309662][ T30] ? __pfx_rq_qos_wake_function+0x10/0x10 [ 287.315601][ T30] ? __pfx_wbt_inflight_cb+0x10/0x10 [ 287.320957][ T30] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10 [ 287.327270][ T30] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 287.333634][ T30] wbt_wait+0x18a/0x310 [ 287.337966][ T30] ? __pfx_wbt_wait+0x10/0x10 [ 287.342714][ T30] ? bio_submit_split_bioset+0x59c/0xa70 [ 287.348594][ T30] ? __pfx_wbt_wait+0x10/0x10 [ 287.353352][ T30] __rq_qos_throttle+0x56/0xa0 [ 287.358153][ T30] blk_mq_submit_bio+0xb67/0x2dd0 [ 287.363290][ T30] ? __pfx_blk_mq_submit_bio+0x10/0x10 [ 287.368791][ T30] ? rcu_is_watching+0x12/0xc0 [ 287.373731][ T30] __submit_bio+0x1e1/0x6c0 [ 287.378295][ T30] ? __pfx___submit_bio+0x10/0x10 [ 287.383411][ T30] ? __pfx_blk_cgroup_bio_start+0x10/0x10 [ 287.389161][ T30] ? submit_bio_noacct_nocheck+0x543/0xbf0 [ 287.395013][ T30] submit_bio_noacct_nocheck+0x543/0xbf0 [ 287.400706][ T30] ? pfn_valid+0x2ce/0x4e0 [ 287.405139][ T30] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10 [ 287.411367][ T30] ? __pfx___might_resched+0x10/0x10 [ 287.416688][ T30] ? bvec_try_merge_page+0x1cd/0x290 [ 287.422163][ T30] submit_bio_noacct+0xd18/0x2000 [ 287.427260][ T30] ext4_io_submit+0xf7/0x1a0 [ 287.432347][ T30] ext4_bio_write_folio+0x76a/0x1eb0 [ 287.437796][ T30] mpage_process_page_bufs+0x473/0x8d0 [ 287.443360][ T30] mpage_prepare_extent_to_map+0xb50/0x1920 [ 287.449355][ T30] ? __pfx_mpage_prepare_extent_to_map+0x10/0x10 [ 287.455741][ T30] ? kmem_cache_alloc_noprof+0x292/0x6e0 [ 287.461510][ T30] ? ext4_init_io_end+0x24/0x170 [ 287.466515][ T30] ext4_do_writepages+0x9fe/0x3f20 [ 287.471762][ T30] ? do_raw_spin_unlock+0x145/0x1e0 [ 287.477001][ T30] ? __pfx_clockevents_program_event+0x10/0x10 [ 287.483258][ T30] ? __pfx_ext4_do_writepages+0x10/0x10 [ 287.488938][ T30] ? ext4_writepages+0x347/0x790 [ 287.494033][ T30] ext4_writepages+0x347/0x790 [ 287.498928][ T30] ? __pfx_ext4_writepages+0x10/0x10 [ 287.504303][ T30] ? __pfx_ext4_writepages+0x10/0x10 [ 287.509660][ T30] do_writepages+0x278/0x600 [ 287.514309][ T30] ? __pfx_do_writepages+0x10/0x10 [ 287.519649][ T30] __writeback_single_inode+0x164/0x1350 [ 287.525374][ T30] ? preempt_schedule_common+0x42/0xc0 [ 287.530987][ T30] ? __pfx___writeback_single_inode+0x10/0x10 [ 287.537333][ T30] writeback_sb_inodes+0x766/0x1c60 [ 287.542679][ T30] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 287.548397][ T30] ? __pfx___up_read+0x10/0x10 [ 287.553268][ T30] ? __writeback_inodes_wb+0x104/0x2d0 [ 287.558764][ T30] __writeback_inodes_wb+0xf8/0x2d0 [ 287.564035][ T30] ? __pfx___writeback_inodes_wb+0x10/0x10 [ 287.569891][ T30] ? queue_io+0x287/0x540 [ 287.574238][ T30] wb_writeback+0x720/0xb90 [ 287.578781][ T30] ? __pfx_wb_writeback+0x10/0x10 [ 287.583891][ T30] ? get_nr_inodes+0x100/0x150 [ 287.588719][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.593985][ T30] wb_workfn+0x8dd/0xc00 [ 287.598280][ T30] ? try_to_wake_up+0x15f/0x1900 [ 287.603277][ T30] ? __pfx_wb_workfn+0x10/0x10 [ 287.608086][ T30] ? rcu_is_watching+0x12/0xc0 [ 287.613044][ T30] process_one_work+0xa0e/0x1980 [ 287.618074][ T30] ? __pfx_process_one_work+0x10/0x10 [ 287.623516][ T30] ? __pfx_wb_workfn+0x10/0x10 [ 287.628322][ T30] worker_thread+0x5ef/0xe50 [ 287.633002][ T30] ? __pfx_worker_thread+0x10/0x10 [ 287.638351][ T30] ? kthread+0x13a/0x450 [ 287.642686][ T30] ? __pfx_worker_thread+0x10/0x10 [ 287.647854][ T30] kthread+0x370/0x450 [ 287.651972][ T30] ? __pfx_kthread+0x10/0x10 [ 287.656594][ T30] ret_from_fork+0x72b/0xd50 [ 287.661269][ T30] ? __pfx_ret_from_fork+0x10/0x10 [ 287.666415][ T30] ? __switch_to+0x800/0x1100 [ 287.671277][ T30] ? __switch_to_asm+0x39/0x70 [ 287.676080][ T30] ? __pfx_kthread+0x10/0x10 [ 287.680727][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.685538][ T30] [ 287.688610][ T30] INFO: task syz.0.30:6433 blocked in I/O wait for more than 143 seconds. [ 287.697235][ T30] Not tainted syzkaller #0 [ 287.702216][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.710941][ T30] task:syz.0.30 state:D stack:27880 pid:6433 tgid:6433 ppid:6290 task_flags:0x440040 flags:0x00080002 [ 287.722947][ T30] Call Trace: [ 287.726222][ T30] [ 287.729158][ T30] __schedule+0x10e9/0x6820 [ 287.733761][ T30] ? __pfx___schedule+0x10/0x10 [ 287.738829][ T30] ? find_held_lock+0x2b/0x80 [ 287.743622][ T30] ? schedule+0x2bf/0x390 [ 287.747992][ T30] schedule+0xdd/0x390 [ 287.752126][ T30] io_schedule+0x8a/0xf0 [ 287.756390][ T30] bit_wait_io+0xd/0xe0 [ 287.760591][ T30] __wait_on_bit+0x65/0x180 [ 287.765121][ T30] ? __pfx_bit_wait_io+0x10/0x10 [ 287.770112][ T30] out_of_line_wait_on_bit+0xdc/0x110 [ 287.775515][ T30] ? __pfx_out_of_line_wait_on_bit+0x10/0x10 [ 287.781606][ T30] ? __pfx_wake_bit_function+0x10/0x10 [ 287.787114][ T30] do_get_write_access+0x84f/0x1220 [ 287.792403][ T30] jbd2_journal_get_write_access+0x1d6/0x280 [ 287.798402][ T30] __ext4_journal_get_write_access+0x6a/0x340 [ 287.804533][ T30] ext4_reserve_inode_write+0x1b7/0x330 [ 287.810140][ T30] __ext4_mark_inode_dirty+0x18f/0x890 [ 287.815784][ T30] ? __pfx___ext4_mark_inode_dirty+0x10/0x10 [ 287.821897][ T30] ? trace_jbd2_handle_start+0x82/0x260 [ 287.827490][ T30] ? jbd2__journal_start+0xf7/0x6a0 [ 287.832866][ T30] ? __ext4_journal_start_sb+0x36d/0x670 [ 287.838619][ T30] ? __ext4_journal_start_sb+0x1ce/0x670 [ 287.844594][ T30] ? ext4_dirty_inode+0xa1/0x130 [ 287.849651][ T30] ? __pfx_ext4_dirty_inode+0x10/0x10 [ 287.855075][ T30] ext4_dirty_inode+0xd9/0x130 [ 287.859899][ T30] ? rcu_is_watching+0x12/0xc0 [ 287.864702][ T30] __mark_inode_dirty+0x1f3/0x1720 [ 287.869872][ T30] file_update_time_flags+0x46b/0x500 [ 287.875280][ T30] ext4_page_mkwrite+0x324/0x1890 [ 287.880383][ T30] ? __pfx_ext4_page_mkwrite+0x10/0x10 [ 287.885869][ T30] do_page_mkwrite+0x17a/0x440 [ 287.890683][ T30] ? __pfx_filemap_map_pages+0x10/0x10 [ 287.896185][ T30] do_fault+0x3b5/0x1750 [ 287.900495][ T30] __handle_mm_fault+0x187d/0x2a00 [ 287.905705][ T30] ? reacquire_held_locks+0xce/0x1e0 [ 287.911074][ T30] ? __pfx___handle_mm_fault+0x10/0x10 [ 287.916603][ T30] ? lock_vma_under_rcu+0x17c/0x590 [ 287.921885][ T30] handle_mm_fault+0x36d/0xa20 [ 287.926733][ T30] do_user_addr_fault+0x5a3/0x12f0 [ 287.931908][ T30] exc_page_fault+0x6f/0xd0 [ 287.936453][ T30] asm_exc_page_fault+0x26/0x30 [ 287.941408][ T30] RIP: 0033:0x7f2f466617d1 [ 287.946125][ T30] RSP: 002b:00007ffcedd6f300 EFLAGS: 00010202 [ 287.952322][ T30] RAX: 0000001b2cd60000 RBX: 0000000000000000 RCX: 000000000003fde8 [ 287.960342][ T30] RDX: 0000001b2cd5ffff RSI: 0000000000000008 RDI: 00007f2f474f5720 [ 287.968309][ T30] RBP: 00007f2f474f5720 R08: 0000000000000000 R09: 00007f2f469c6038 [ 287.976365][ T30] R10: 00007f2f474f5700 R11: 0000000000000000 R12: 0000000000000000 [ 287.984413][ T30] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003 [ 287.992471][ T30] [ 287.995588][ T30] [ 287.995588][ T30] Showing all locks held in the system: [ 288.003543][ T30] 1 lock held by khungtaskd/30: [ 288.008418][ T30] #0: ffffffff8e7e52e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x184 [ 288.018442][ T30] 4 locks held by kworker/u8:14/3404: [ 288.023982][ T30] #0: ffff8880206cf940 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x12d6/0x1980 [ 288.034935][ T30] #1: ffffc9000f24fd08 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x973/0x1980 [ 288.047229][ T30] #2: ffff8880377a20d8 (&type->s_umount_key#33){++++}-{4:4}, at: super_trylock_shared+0x1e/0xf0 [ 288.057891][ T30] #3: ffff8880377a0c18 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x278/0x600 [ 288.068237][ T30] 2 locks held by getty/5388: [ 288.072962][ T30] #0: ffff888038a060a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 288.082779][ T30] #1: ffffc9000322b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x14f0 [ 288.092967][ T30] 3 locks held by syz.0.30/6433: [ 288.098009][ T30] #0: ffff88802c3fc1c8 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x11d/0x590 [ 288.107355][ T30] #1: ffff8880377a2508 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x17a/0x440 [ 288.117002][ T30] #2: ffff88803751e938 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0 [ 288.126697][ T30] 3 locks held by syz-executor/6435: [ 288.132130][ T30] #0: ffff8880377a2410 (sb_writers#4){.+.+}-{0:0}, at: filename_create+0x10d/0x400 [ 288.141688][ T30] #1: ffff88807686d7d8 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x1c0/0x400 [ 288.152713][ T30] #2: ffff88803751e938 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0 [ 288.162442][ T30] [ 288.164835][ T30] ============================================= [ 288.164835][ T30] [ 288.175067][ T30] NMI backtrace for cpu 0 [ 288.175104][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 288.175135][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 288.175150][ T30] Call Trace: [ 288.175159][ T30] [ 288.175169][ T30] dump_stack_lvl+0x100/0x190 [ 288.175203][ T30] nmi_cpu_backtrace.cold+0x12d/0x151 [ 288.175236][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 288.175266][ T30] nmi_trigger_cpumask_backtrace+0x1d7/0x230 [ 288.175312][ T30] sys_info+0x141/0x190 [ 288.175347][ T30] watchdog+0xcb1/0x1030 [ 288.175393][ T30] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 288.175424][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.175462][ T30] ? __kthread_parkme+0x18c/0x230 [ 288.175502][ T30] ? kthread+0x13a/0x450 [ 288.175528][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.175570][ T30] kthread+0x370/0x450 [ 288.175592][ T30] ? __pfx_kthread+0x10/0x10 [ 288.175618][ T30] ret_from_fork+0x72b/0xd50 [ 288.175649][ T30] ? __pfx_ret_from_fork+0x10/0x10 [ 288.175681][ T30] ? __switch_to+0x800/0x1100 [ 288.175717][ T30] ? __switch_to_asm+0x39/0x70 [ 288.175751][ T30] ? __pfx_kthread+0x10/0x10 [ 288.175777][ T30] ret_from_fork_asm+0x1a/0x30 [ 288.175829][ T30] [ 288.175838][ T30] Sending NMI from CPU 0 to CPUs 1: [ 288.307204][ C1] NMI backtrace for cpu 1 [ 288.307224][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) [ 288.307252][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 288.307266][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 288.307304][ 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 [ 288.307326][ C1] RSP: 0018:ffffc90000197df0 EFLAGS: 00000246 [ 288.307345][ C1] RAX: 00000000000a5003 RBX: ffff88801e680000 RCX: ffffffff8b874045 [ 288.307361][ C1] RDX: 0000000000000000 RSI: ffffffff8df1aa33 RDI: ffffffff8c1c2380 [ 288.307376][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed10170a67b5 [ 288.307391][ C1] R10: ffff8880b8533dab R11: 0000000000000000 R12: 0000000000000001 [ 288.307405][ C1] R13: ffffed1003cd0000 R14: 0000000000000001 R15: ffffffff90d7be50 [ 288.307420][ C1] FS: 0000000000000000(0000) GS:ffff88812447d000(0000) knlGS:0000000000000000 [ 288.307442][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 288.307471][ C1] CR2: 000056482323a4a0 CR3: 000000000e596000 CR4: 00000000003526f0 [ 288.307486][ C1] Call Trace: [ 288.307496][ C1] [ 288.307504][ C1] default_idle+0x9/0x10 [ 288.307536][ C1] default_idle_call+0x6c/0xb0 [ 288.307567][ C1] do_idle+0x464/0x590 [ 288.307598][ C1] ? __pfx_do_idle+0x10/0x10 [ 288.307636][ C1] cpu_startup_entry+0x4f/0x60 [ 288.307666][ C1] start_secondary+0x21d/0x2d0 [ 288.307688][ C1] ? __pfx_start_secondary+0x10/0x10 [ 288.307714][ C1] common_startup_64+0x13e/0x148 [ 288.307756][ C1] [ 288.474487][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 288.481352][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 288.490472][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 288.500556][ T30] Call Trace: [ 288.503922][ T30] [ 288.506885][ T30] dump_stack_lvl+0x100/0x190 [ 288.511561][ T30] vpanic+0x552/0x970 [ 288.515580][ T30] ? __pfx_vpanic+0x10/0x10 [ 288.520085][ T30] ? nmi_trigger_cpumask_backtrace+0x182/0x230 [ 288.526244][ T30] ? nmi_trigger_cpumask_backtrace+0x182/0x230 [ 288.532401][ T30] panic+0xd1/0xe0 [ 288.536129][ T30] ? __pfx_panic+0x10/0x10 [ 288.540533][ T30] ? nmi_trigger_cpumask_backtrace+0x1b5/0x230 [ 288.546698][ T30] ? nmi_trigger_cpumask_backtrace+0x1f6/0x230 [ 288.552935][ T30] ? nmi_trigger_cpumask_backtrace+0x200/0x230 [ 288.559117][ T30] ? watchdog.cold+0x1ec/0x234 [ 288.563906][ T30] ? watchdog+0xcc1/0x1030 [ 288.568319][ T30] watchdog.cold+0x1fd/0x234 [ 288.572987][ T30] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 288.578885][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.583575][ T30] ? __kthread_parkme+0x18c/0x230 [ 288.588604][ T30] ? kthread+0x13a/0x450 [ 288.592838][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.597610][ T30] kthread+0x370/0x450 [ 288.601706][ T30] ? __pfx_kthread+0x10/0x10 [ 288.606416][ T30] ret_from_fork+0x72b/0xd50 [ 288.611071][ T30] ? __pfx_ret_from_fork+0x10/0x10 [ 288.616187][ T30] ? __switch_to+0x800/0x1100 [ 288.620965][ T30] ? __switch_to_asm+0x39/0x70 [ 288.625836][ T30] ? __pfx_kthread+0x10/0x10 [ 288.630439][ T30] ret_from_fork_asm+0x1a/0x30 [ 288.635536][ T30] [ 288.638961][ T30] Kernel Offset: disabled [ 288.643281][ T30] Rebooting in 86400 seconds..