Warning: Permanently added '10.128.0.200' (ED25519) to the list of known hosts.
2026/08/25 19:22:35 parsed 1 programs
2026/08/25 19:22:35 serving rpc on tcp://33455
[ 164.666771][ T5616] cgroup: Unknown subsys name 'net'
[ 164.890536][ T5616] cgroup: Unknown subsys name 'cpuset'
[ 164.971596][ T5616] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 167.333494][ T5616] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 176.747860][ T5678] bridge0: port 1(bridge_slave_0) entered blocking state
[ 176.749681][ T5678] bridge0: port 1(bridge_slave_0) entered disabled state
[ 176.749826][ T5678] bridge_slave_0: entered allmulticast mode
[ 176.756993][ T5678] bridge_slave_0: entered promiscuous mode
[ 176.784228][ T5678] bridge0: port 2(bridge_slave_1) entered blocking state
[ 176.784392][ T5678] bridge0: port 2(bridge_slave_1) entered disabled state
[ 176.784513][ T5678] bridge_slave_1: entered allmulticast mode
[ 176.786379][ T5678] bridge_slave_1: entered promiscuous mode
[ 176.853331][ T5678] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 176.856737][ T5678] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 176.983754][ T5678] team0: Port device team_slave_0 added
[ 176.986526][ T5678] team0: Port device team_slave_1 added
[ 177.032007][ T5678] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 177.032023][ T5678] 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.
[ 177.032045][ T5678] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 177.036592][ T5678] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 177.036607][ T5678] 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.
[ 177.036625][ T5678] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 177.173423][ T5678] hsr_slave_0: entered promiscuous mode
[ 177.174597][ T5678] hsr_slave_1: entered promiscuous mode
[ 177.513204][ T5678] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 177.569239][ T5678] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 177.811695][ T5678] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 177.858938][ T5678] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 177.883500][ T5678] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 177.927624][ T5678] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 177.938081][ T5678] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 177.968940][ T5678] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 178.361500][ T5678] 8021q: adding VLAN 0 to HW filter on device bond0
[ 178.407253][ T5678] 8021q: adding VLAN 0 to HW filter on device team0
[ 178.436363][ T13] bridge0: port 1(bridge_slave_0) entered blocking state
[ 178.436537][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 178.479001][ T1287] bridge0: port 2(bridge_slave_1) entered blocking state
[ 178.479167][ T1287] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 179.017285][ T5678] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 179.114043][ T5678] veth0_vlan: entered promiscuous mode
[ 179.145566][ T5678] veth1_vlan: entered promiscuous mode
[ 179.207901][ T5678] veth0_macvtap: entered promiscuous mode
[ 179.226241][ T5678] veth1_macvtap: entered promiscuous mode
[ 179.279207][ T5678] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 179.304638][ T5678] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 179.372983][ T1161] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 179.664105][ T1161] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 179.792961][ T1161] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 179.793400][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 180.177096][ T1287] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 180.415501][ T1161] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 180.415532][ T1161] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 180.519486][ T66] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 180.519511][ T66] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 180.826349][ T4897] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 180.837300][ T4897] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 180.853201][ T4897] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 180.859937][ T4897] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 180.867260][ T1287] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 180.889617][ T4897] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 181.844427][ T1287] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 182.245979][ T1287] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
2026/08/25 19:22:57 executed programs: 0
[ 182.710463][ T59] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 182.750301][ T59] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 182.758777][ T59] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 182.770140][ T59] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 182.783717][ T59] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 183.151865][ T1287] bridge_slave_1: left allmulticast mode
[ 183.152067][ T1287] bridge_slave_1: left promiscuous mode
[ 183.164640][ T1287] bridge0: port 2(bridge_slave_1) entered disabled state
[ 183.374948][ T1287] bridge_slave_0: left allmulticast mode
[ 183.374990][ T1287] bridge_slave_0: left promiscuous mode
[ 183.375252][ T1287] bridge0: port 1(bridge_slave_0) entered disabled state
[ 184.214020][ T1287] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 184.293296][ T1287] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 184.335224][ T1287] bond0 (unregistering): Released all slaves
[ 184.368437][ T5243] 8021q: adding VLAN 0 to HW filter on device eth1
[ 184.830957][ T1287] hsr_slave_0: left promiscuous mode
[ 184.863946][ T4897] Bluetooth: hci0: command tx timeout
[ 184.876514][ T1287] hsr_slave_1: left promiscuous mode
[ 184.878285][ T1287] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 184.878437][ T1287] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 184.914639][ T1287] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 184.914673][ T1287] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 185.018359][ T1287] veth1_macvtap: left promiscuous mode
[ 185.018581][ T1287] veth0_macvtap: left promiscuous mode
[ 185.018802][ T1287] veth1_vlan: left promiscuous mode
[ 185.019746][ T1287] veth0_vlan: left promiscuous mode
[ 185.781589][ T1287] team0 (unregistering): Port device team_slave_1 removed
[ 185.822791][ T1287] team0 (unregistering): Port device team_slave_0 removed
[ 186.060502][ T5243] 8021q: adding VLAN 0 to HW filter on device eth2
[ 186.837039][ T5243] 8021q: adding VLAN 0 to HW filter on device eth3
[ 186.837660][ T5735] bridge0: port 1(bridge_slave_0) entered blocking state
[ 186.837781][ T5735] bridge0: port 1(bridge_slave_0) entered disabled state
[ 186.837957][ T5735] bridge_slave_0: entered allmulticast mode
[ 186.840615][ T5735] bridge_slave_0: entered promiscuous mode
[ 186.882861][ T5735] bridge0: port 2(bridge_slave_1) entered blocking state
[ 186.882992][ T5735] bridge0: port 2(bridge_slave_1) entered disabled state
[ 186.883211][ T5735] bridge_slave_1: entered allmulticast mode
[ 186.926653][ T5735] bridge_slave_1: entered promiscuous mode
[ 186.936821][ T4897] Bluetooth: hci0: command tx timeout
[ 187.026486][ T5735] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 187.041812][ T5735] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 187.200052][ T5735] team0: Port device team_slave_0 added
[ 187.209508][ T5735] team0: Port device team_slave_1 added
[ 187.303990][ T5735] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 187.304023][ T5735] 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.
[ 187.304052][ T5735] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 187.306868][ T5735] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 187.306887][ T5735] 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.
[ 187.306916][ T5735] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 187.908128][ T5243] 8021q: adding VLAN 0 to HW filter on device eth4
[ 187.927810][ T5735] hsr_slave_0: entered promiscuous mode
[ 187.942560][ T5735] hsr_slave_1: entered promiscuous mode
[ 189.012067][ T4897] Bluetooth: hci0: command tx timeout
[ 190.561275][ T5735] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 190.595889][ T5735] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 190.597604][ T5735] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 190.656075][ T5735] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 190.657804][ T5735] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 190.699672][ T5735] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 190.713966][ T5735] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 190.756489][ T5735] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 190.959510][ T5735] 8021q: adding VLAN 0 to HW filter on device bond0
[ 191.018881][ T5735] 8021q: adding VLAN 0 to HW filter on device team0
[ 191.070494][ T2281] bridge0: port 1(bridge_slave_0) entered blocking state
[ 191.078170][ T2281] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 191.096150][ T4897] Bluetooth: hci0: command tx timeout
[ 191.136981][ T1287] bridge0: port 2(bridge_slave_1) entered blocking state
[ 191.137125][ T1287] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 191.914266][ T5735] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 192.028868][ T5735] veth0_vlan: entered promiscuous mode
[ 192.056854][ T5735] veth1_vlan: entered promiscuous mode
[ 192.166500][ T5735] veth0_macvtap: entered promiscuous mode
[ 192.194068][ T5735] veth1_macvtap: entered promiscuous mode
[ 192.254916][ T5735] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 192.288874][ T5735] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 192.491170][ T2281] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 192.491600][ T2281] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 192.680199][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 192.713548][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 192.877368][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 192.877394][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 192.971996][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 192.972022][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2026/08/25 19:23:08 executed programs: 2
2026/08/25 19:23:13 executed programs: 81
[ 201.739420][ T1326] ieee802154 phy0 wpan0: encryption failed: -22
[ 201.739532][ T1326] ieee802154 phy1 wpan1: encryption failed: -22
2026/08/25 19:23:18 executed programs: 161
2026/08/25 19:23:24 executed programs: 171
2026/08/25 19:23:31 executed programs: 173
2026/08/25 19:23:37 executed programs: 175
2026/08/25 19:23:43 executed programs: 177
2026/08/25 19:23:49 executed programs: 179
2026/08/25 19:23:55 executed programs: 181
2026/08/25 19:24:01 executed programs: 183
2026/08/25 19:24:07 executed programs: 185
2026/08/25 19:24:13 executed programs: 187
[ 263.175021][ T1326] ieee802154 phy0 wpan0: encryption failed: -22
[ 263.175289][ T1326] ieee802154 phy1 wpan1: encryption failed: -22
2026/08/25 19:24:19 executed programs: 189
2026/08/25 19:24:25 executed programs: 191
2026/08/25 19:24:31 executed programs: 193
2026/08/25 19:24:37 executed programs: 195
2026/08/25 19:24:43 executed programs: 197
2026/08/25 19:24:49 executed programs: 199
2026/08/25 19:24:55 executed programs: 201
[ 306.214579][ T4897] Bluetooth: hci0: command 0x0406 tx timeout
2026/08/25 19:25:01 executed programs: 203
2026/08/25 19:25:07 executed programs: 205
2026/08/25 19:25:13 executed programs: 207
2026/08/25 19:25:19 executed programs: 209
[ 324.618971][ T1326] ieee802154 phy0 wpan0: encryption failed: -22
[ 324.619045][ T1326] ieee802154 phy1 wpan1: encryption failed: -22
2026/08/25 19:25:25 executed programs: 211
2026/08/25 19:25:31 executed programs: 213
2026/08/25 19:25:37 executed programs: 215
2026/08/25 19:25:44 executed programs: 217
2026/08/25 19:25:50 executed programs: 219
[ 355.330940][ T39] INFO: task kworker/u8:13:2281 blocked in I/O wait for more than 143 seconds.
[ 355.331035][ T39] Not tainted syzkaller #0
[ 355.331043][ T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 355.331099][ T39] task:kworker/u8:13 state:D stack:21272 pid:2281 tgid:2281 ppid:2 task_flags:0x4248060 flags:0x00080000
[ 355.331253][ T39] Workqueue: writeback wb_workfn (flush-8:0)
[ 355.331542][ T39] Call Trace:
[ 355.331563][ T39]
[ 355.331621][ T39] __schedule+0x16d9/0x5700
[ 355.331728][ T39] ? blk_mq_flush_plug_list+0x415/0x540
[ 355.331820][ T39] ? __pfx_blk_mq_flush_plug_list+0x10/0x10
[ 355.331839][ T39] ? __blk_flush_plug+0x416/0x4d0
[ 355.331855][ T39] ? __pfx___schedule+0x10/0x10
[ 355.331877][ T39] ? schedule+0x90/0x2b0
[ 355.331894][ T39] schedule+0x164/0x2b0
[ 355.331911][ T39] io_schedule+0x80/0xe0
[ 355.331928][ T39] bit_wait_io+0x11/0xd0
[ 355.331947][ T39] __wait_on_bit+0xac/0x2f0
[ 355.331964][ T39] ? __pfx_bit_wait_io+0x10/0x10
[ 355.331983][ T39] out_of_line_wait_on_bit+0x13b/0x190
[ 355.332002][ T39] ? __pfx_bit_wait_io+0x10/0x10
[ 355.332023][ T39] ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[ 355.332042][ T39] ? __pfx_wake_bit_function+0x10/0x10
[ 355.332129][ T39] do_get_write_access+0x671/0x1090
[ 355.332190][ T39] jbd2_journal_get_write_access+0x1d7/0x230
[ 355.332226][ T39] __ext4_journal_get_write_access+0xf1/0x620
[ 355.332323][ T39] ? ext4_get_group_desc+0x10e/0x4e0
[ 355.332354][ T39] ? __pfx___ext4_journal_get_write_access+0x10/0x10
[ 355.332380][ T39] ? ext4_get_group_desc+0x10e/0x4e0
[ 355.332400][ T39] ext4_mb_mark_context+0x325/0xec0
[ 355.332424][ T39] ? ext4_sb_block_valid+0x16d/0x560
[ 355.332450][ T39] ? __pfx_ext4_mb_mark_context+0x10/0x10
[ 355.332469][ T39] ? ext4_sb_block_valid+0x16d/0x560
[ 355.332511][ T39] ? ext4_sb_block_valid+0x484/0x560
[ 355.332532][ T39] ext4_mb_mark_diskspace_used+0x338/0x760
[ 355.332565][ T39] ext4_mb_new_blocks+0x106f/0x4540
[ 355.332597][ T39] ? ext4_find_extent+0x1f5/0xcd0
[ 355.332624][ T39] ? ext4_find_extent+0x1f5/0xcd0
[ 355.332650][ T39] ? __pfx_ext4_mb_new_blocks+0x10/0x10
[ 355.332672][ T39] ? ext4_inode_to_goal_block+0x319/0x460
[ 355.332694][ T39] ext4_ext_map_blocks+0x13f1/0x5680
[ 355.332719][ T39] ? __lock_acquire+0x683/0x2ce0
[ 355.332747][ T39] ? __lock_acquire+0x683/0x2ce0
[ 355.332766][ T39] ? ext4_alloc_io_end_vec+0x2b/0x160
[ 355.332788][ T39] ? __pfx_blk_mq_flush_plug_list+0x10/0x10
[ 355.332804][ T39] ? __lock_acquire+0x683/0x2ce0
[ 355.332825][ T39] ? __pfx_ext4_ext_map_blocks+0x10/0x10
[ 355.332851][ T39] ? do_raw_spin_lock+0x12b/0x2f0
[ 355.332883][ T39] ? wq_worker_running+0x9f/0x210
[ 355.332930][ T39] ? rt_mutex_post_schedule+0x49/0xf0
[ 355.332951][ T39] ext4_map_create_blocks+0x116/0x530
[ 355.332983][ T39] ext4_map_blocks+0x791/0x12c0
[ 355.333027][ T39] ? trace_kmem_cache_alloc+0x29/0xe0
[ 355.333072][ T39] ? __pfx_ext4_map_blocks+0x10/0x10
[ 355.333116][ T39] ? ext4_inode_journal_mode+0x376/0x470
[ 355.333154][ T39] ext4_do_writepages+0x239b/0x4770
[ 355.333247][ T39] ? __pfx_ext4_do_writepages+0x10/0x10
[ 355.333267][ T39] ? __lock_acquire+0x683/0x2ce0
[ 355.333287][ T39] ? rcu_is_watching+0x16/0xb0
[ 355.333326][ T39] ? __lock_acquire+0x683/0x2ce0
[ 355.333349][ T39] ? ext4_writepages+0x205/0x3b0
[ 355.333374][ T39] ? ext4_writepages+0x205/0x3b0
[ 355.333409][ T39] ext4_writepages+0x241/0x3b0
[ 355.333436][ T39] ? __pfx_ext4_writepages+0x10/0x10
[ 355.333458][ T39] ? reacquire_held_locks+0x104/0x190
[ 355.333490][ T39] ? rt_spin_unlock+0x165/0x200
[ 355.333511][ T39] ? __pfx_ext4_writepages+0x10/0x10
[ 355.333536][ T39] do_writepages+0x338/0x560
[ 355.333573][ T39] ? reacquire_held_locks+0x104/0x190
[ 355.333593][ T39] ? super_trylock_shared+0x23/0xf0
[ 355.333636][ T39] __writeback_single_inode+0x136/0x1230
[ 355.333663][ T39] ? rt_spin_unlock+0x165/0x200
[ 355.333687][ T39] writeback_sb_inodes+0x9db/0x1ab0
[ 355.333714][ T39] ? do_raw_spin_lock+0x12b/0x2f0
[ 355.333748][ T39] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 355.333794][ T39] ? __pfx_down_read_trylock+0x10/0x10
[ 355.333828][ T39] __writeback_inodes_wb+0x114/0x240
[ 355.333855][ T39] wb_writeback+0x42f/0xad0
[ 355.333877][ T39] ? queue_io+0x201/0x450
[ 355.333902][ T39] ? __pfx_wb_writeback+0x10/0x10
[ 355.333933][ T39] wb_workfn+0xc98/0x10f0
[ 355.333969][ T39] ? __pfx_wb_workfn+0x10/0x10
[ 355.333995][ T39] ? do_raw_spin_lock+0x12b/0x2f0
[ 355.334025][ T39] ? process_scheduled_works+0x97a/0x1630
[ 355.334045][ T39] ? process_scheduled_works+0x97a/0x1630
[ 355.334067][ T39] ? rcu_is_watching+0x16/0xb0
[ 355.334089][ T39] ? process_scheduled_works+0x97a/0x1630
[ 355.334110][ T39] process_scheduled_works+0xc3d/0x1630
[ 355.334152][ T39] ? __pfx_process_scheduled_works+0x10/0x10
[ 355.334175][ T39] ? assign_work+0x3cf/0x5d0
[ 355.334197][ T39] worker_thread+0xa47/0xfb0
[ 355.334227][ T39] ? __kthread_parkme+0x71/0x1f0
[ 355.334255][ T39] kthread+0x38b/0x470
[ 355.334279][ T39] ? __pfx_worker_thread+0x10/0x10
[ 355.334297][ T39] ? __pfx_kthread+0x10/0x10
[ 355.334321][ T39] ret_from_fork+0x514/0xb70
[ 355.334373][ T39] ? __pfx_ret_from_fork+0x10/0x10
[ 355.334396][ T39] ? __switch_to+0xc89/0x1420
[ 355.334429][ T39] ? __pfx_kthread+0x10/0x10
[ 355.334453][ T39] ret_from_fork_asm+0x1a/0x30
[ 355.334494][ T39]
[ 355.334596][ T39] INFO: task jbd2/sda1-8:4910 blocked in I/O wait for more than 143 seconds.
[ 355.334614][ T39] Not tainted syzkaller #0
[ 355.334621][ T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 355.334628][ T39] task:jbd2/sda1-8 state:D stack:25040 pid:4910 tgid:4910 ppid:2 task_flags:0x240040 flags:0x00080000
[ 355.334676][ T39] Call Trace:
[ 355.334681][ T39]
[ 355.334690][ T39] __schedule+0x16d9/0x5700
[ 355.334726][ T39] ? __pfx___schedule+0x10/0x10
[ 355.334747][ T39] ? schedule+0x90/0x2b0
[ 355.334764][ T39] schedule+0x164/0x2b0
[ 355.334781][ T39] io_schedule+0x80/0xe0
[ 355.334798][ T39] bit_wait_io+0x11/0xd0
[ 355.334816][ T39] __wait_on_bit+0xac/0x2f0
[ 355.334832][ T39] ? __pfx_bit_wait_io+0x10/0x10
[ 355.334855][ T39] out_of_line_wait_on_bit+0x13b/0x190
[ 355.334873][ T39] ? __pfx_bit_wait_io+0x10/0x10
[ 355.334890][ T39] ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[ 355.334928][ T39] ? __pfx_wake_bit_function+0x10/0x10
[ 355.334954][ T39] ? __wait_on_buffer+0xe/0x80
[ 355.334974][ T39] jbd2_journal_commit_transaction+0x2f26/0x5ba0
[ 355.335028][ T39] ? __pfx_jbd2_journal_commit_transaction+0x10/0x10
[ 355.335060][ T39] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 355.335082][ T39] ? do_raw_spin_lock+0x12b/0x2f0
[ 355.335122][ T39] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 355.335142][ T39] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 355.335159][ T39] ? __timer_delete_sync+0x552/0x620
[ 355.335181][ T39] kjournald2+0x3bc/0x750
[ 355.335212][ T39] ? __pfx_kjournald2+0x10/0x10
[ 355.335230][ T39] ? __pfx_autoremove_wake_function+0x10/0x10
[ 355.335255][ T39] ? __kthread_parkme+0x71/0x1f0
[ 355.335277][ T39] ? __kthread_parkme+0x199/0x1f0
[ 355.335301][ T39] kthread+0x38b/0x470
[ 355.335324][ T39] ? __pfx_kjournald2+0x10/0x10
[ 355.335341][ T39] ? __pfx_kthread+0x10/0x10
[ 355.335365][ T39] ret_from_fork+0x514/0xb70
[ 355.335390][ T39] ? __pfx_ret_from_fork+0x10/0x10
[ 355.335413][ T39] ? __switch_to+0xc89/0x1420
[ 355.335435][ T39] ? __pfx_kthread+0x10/0x10
[ 355.335460][ T39] ret_from_fork_asm+0x1a/0x30
[ 355.335485][ T39]
[ 355.335543][ T39]
[ 355.335543][ T39] Showing all locks held in the system:
[ 355.335562][ T39] locks held by khungtaskd/39: 1, last CPU#0:
[ 355.335643][ T39] #0: ffffffff8e1c3800 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 355.335798][ T39] locks held by kworker/u8:13/2281: 6, on CPU#1:
[ 355.335809][ T39] #0: ffff88801ee8d938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
[ 355.335848][ T39] #1: ffffc90009147c40 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
[ 355.335887][ T39] #2: ffff888036d6a0e0 (&type->s_umount_key#34){++++}-{4:4}, at: super_trylock_shared+0x23/0xf0
[ 355.335950][ T39] #3: ffff888036d60d98 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages+0x205/0x3b0
[ 355.335993][ T39] #4: ffff888036cb6bb0 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x1fbf/0x2200
[ 355.336033][ T39] #5: ffff888040992460 (&ei->i_data_sem#2){++++}-{4:4}, at: ext4_map_blocks+0x77d/0x12c0
[ 355.336081][ T39] locks held by getty/5333: 2, on CPU#1:
[ 355.336094][ T39] #0: ffff8880331a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 355.336159][ T39] #1: ffffc900044cb2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x460/0x1360
[ 355.336201][ T39]
[ 355.336223][ T39] =============================================
[ 355.336223][ T39]
[ 355.336270][ T39] NMI backtrace for cpu 0
[ 355.336349][ T39] CPU: 0 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 355.336366][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 355.336374][ T39] Call Trace:
[ 355.336417][ T39]
[ 355.336426][ T39] dump_stack_lvl+0xe8/0x150
[ 355.336450][ T39] nmi_cpu_backtrace+0x274/0x2d0
[ 355.336487][ T39] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 355.336525][ T39] nmi_trigger_cpumask_backtrace+0x17d/0x390
[ 355.336550][ T39] sys_info+0x135/0x170
[ 355.336575][ T39] watchdog+0xfd7/0x1030
[ 355.336629][ T39] ? watchdog+0x1c7/0x1030
[ 355.336650][ T39] kthread+0x38b/0x470
[ 355.336673][ T39] ? __pfx_watchdog+0x10/0x10
[ 355.336688][ T39] ? __pfx_kthread+0x10/0x10
[ 355.336712][ T39] ret_from_fork+0x514/0xb70
[ 355.336736][ T39] ? __pfx_ret_from_fork+0x10/0x10
[ 355.336759][ T39] ? __switch_to+0xc89/0x1420
[ 355.336780][ T39] ? __pfx_kthread+0x10/0x10
[ 355.336804][ T39] ret_from_fork_asm+0x1a/0x30
[ 355.336829][ T39]
[ 355.336834][ T39] Sending NMI from CPU 0 to CPUs 1:
[ 355.336938][ C1] NMI backtrace for cpu 1
[ 355.336980][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 355.337000][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 355.337036][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20
[ 355.337072][ C1] Code: 5c 65 02 e9 53 d5 03 00 cc cc cc 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 d3 fa 16 00 fb f4 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90
[ 355.337093][ C1] RSP: 0018:ffffc900001e7e40 EFLAGS: 00000242
[ 355.337149][ C1] RAX: 000000000009d823 RBX: ffffffff8199f2b0 RCX: 8000000000000001
[ 355.337162][ C1] RDX: 0000000000000001 RSI: ffffffff8d8c3edc RDI: ffffffff8bcbef80
[ 355.337174][ C1] RBP: ffffc900001e7f10 R08: ffff8880b8733e9b R09: 1ffff110170e67d3
[ 355.337248][ C1] R10: dffffc0000000000 R11: ffffed10170e67d4 R12: 0000000000000000
[ 355.337260][ C1] R13: 1ffff11003a57bb8 R14: 1ffff9200003cfd0 R15: dffffc0000000000
[ 355.337273][ C1] FS: 0000000000000000(0000) GS:ffff888125ce8000(0000) knlGS:0000000000000000
[ 355.337287][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 355.337298][ C1] CR2: 0000001b32220000 CR3: 0000000029b76000 CR4: 00000000003526f0
[ 355.337313][ C1] Call Trace:
[ 355.337320][ C1]
[ 355.337326][ C1] default_idle+0x9/0x20
[ 355.337348][ C1] default_idle_call+0x72/0xb0
[ 355.337370][ C1] do_idle+0x2e0/0x540
[ 355.337392][ C1] ? __pfx_do_idle+0x10/0x10
[ 355.337416][ C1] cpu_startup_entry+0x43/0x60
[ 355.337435][ C1] start_secondary+0x101/0x110
[ 355.337461][ C1] common_startup_64+0x13e/0x157
[ 355.337505][ C1]
[ 355.337909][ T39] Kernel panic - not syncing: hung_task: blocked tasks
[ 355.337921][ T39] CPU: 0 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 355.337938][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 355.337946][ T39] Call Trace:
[ 355.337953][ T39]
[ 355.337959][ T39] vpanic+0x56d/0xa60
[ 355.337994][ T39] ? __pfx_vpanic+0x10/0x10
[ 355.338025][ T39] panic+0xc5/0xd0
[ 355.338048][ T39] ? __pfx_panic+0x10/0x10
[ 355.338074][ T39] ? wq_watchdog_touch+0xf9/0x160
[ 355.338092][ T39] ? nmi_trigger_cpumask_backtrace+0x24d/0x390
[ 355.338122][ T39] watchdog+0x1030/0x1030
[ 355.338144][ T39] ? watchdog+0x1c7/0x1030
[ 355.338165][ T39] kthread+0x38b/0x470
[ 355.338189][ T39] ? __pfx_watchdog+0x10/0x10
[ 355.338204][ T39] ? __pfx_kthread+0x10/0x10
[ 355.338227][ T39] ret_from_fork+0x514/0xb70
[ 355.338252][ T39] ? __pfx_ret_from_fork+0x10/0x10
[ 355.338275][ T39] ? __switch_to+0xc89/0x1420
[ 355.338297][ T39] ? __pfx_kthread+0x10/0x10
[ 355.338321][ T39] ret_from_fork_asm+0x1a/0x30
[ 355.338346][ T39]
[ 355.339202][ T39] Kernel Offset: disabled