[ 86.972392][ T942] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.214' (ED25519) to the list of known hosts.
2026/09/21 10:06:41 parsed 1 programs
2026/09/21 10:06:41 serving rpc on tcp://46775
[ 95.831398][ T5641] cgroup: Unknown subsys name 'net'
[ 95.933780][ T5641] cgroup: Unknown subsys name 'cpuset'
[ 95.936716][ T5641] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 97.632199][ T5641] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 100.792956][ T5651] soft_limit_in_bytes is deprecated and will be removed. Writing any value to this file has no effect. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[ 101.551836][ T5673] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 101.553858][ T5673] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 101.554659][ T5673] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 101.555877][ T5673] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 101.556653][ T5673] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 101.939871][ T964] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 101.939894][ T964] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 101.983861][ T1405] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 101.983886][ T1405] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 104.425938][ T5713] bridge0: port 1(bridge_slave_0) entered blocking state
[ 104.426532][ T5713] bridge0: port 1(bridge_slave_0) entered disabled state
[ 104.426791][ T5713] bridge_slave_0: entered allmulticast mode
[ 104.428049][ T5713] bridge_slave_0: entered promiscuous mode
[ 104.433241][ T5713] bridge0: port 2(bridge_slave_1) entered blocking state
[ 104.433346][ T5713] bridge0: port 2(bridge_slave_1) entered disabled state
[ 104.433461][ T5713] bridge_slave_1: entered allmulticast mode
[ 104.435563][ T5713] bridge_slave_1: entered promiscuous mode
[ 104.472824][ T5713] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 104.476540][ T5713] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 104.509261][ T5713] team0: Port device team_slave_0 added
[ 104.513833][ T5713] team0: Port device team_slave_1 added
[ 104.536793][ T5713] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 104.536806][ T5713] 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.
[ 104.536820][ T5713] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 104.538780][ T5713] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 104.538795][ T5713] 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.
[ 104.538818][ T5713] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 104.636187][ T5713] hsr_slave_0: entered promiscuous mode
[ 104.637002][ T5713] hsr_slave_1: entered promiscuous mode
[ 104.784614][ T5713] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 104.792675][ T5713] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 104.794302][ T5713] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 104.801624][ T5713] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 104.803150][ T5713] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 104.809990][ T5713] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 104.811399][ T5713] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 104.823748][ T5713] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 104.911188][ T5713] 8021q: adding VLAN 0 to HW filter on device bond0
[ 104.938422][ T5713] 8021q: adding VLAN 0 to HW filter on device team0
[ 104.948022][ T12] bridge0: port 1(bridge_slave_0) entered blocking state
[ 104.948453][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 104.959647][ T12] bridge0: port 2(bridge_slave_1) entered blocking state
[ 104.959758][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 105.305554][ T5713] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 105.350886][ T5713] veth0_vlan: entered promiscuous mode
[ 105.360444][ T5713] veth1_vlan: entered promiscuous mode
[ 105.391259][ T5713] veth0_macvtap: entered promiscuous mode
[ 105.395140][ T5713] veth1_macvtap: entered promiscuous mode
[ 105.422345][ T5713] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 105.430214][ T5713] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 105.500172][ T964] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 105.500223][ T964] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 105.500256][ T964] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 105.500289][ T964] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 105.642457][ T964] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 105.723376][ T964] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 105.834625][ T964] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 105.906922][ T964] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
2026/09/21 10:06:54 executed programs: 0
[ 106.369795][ T4939] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 106.370337][ T4939] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 106.370806][ T4939] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 106.371973][ T4939] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 106.372634][ T4939] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 106.831031][ T5758] bridge0: port 1(bridge_slave_0) entered blocking state
[ 106.831193][ T5758] bridge0: port 1(bridge_slave_0) entered disabled state
[ 106.831454][ T5758] bridge_slave_0: entered allmulticast mode
[ 106.832578][ T5758] bridge_slave_0: entered promiscuous mode
[ 106.837132][ T5758] bridge0: port 2(bridge_slave_1) entered blocking state
[ 106.837246][ T5758] bridge0: port 2(bridge_slave_1) entered disabled state
[ 106.837366][ T5758] bridge_slave_1: entered allmulticast mode
[ 106.839284][ T5758] bridge_slave_1: entered promiscuous mode
[ 106.886880][ T5758] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 106.890910][ T5758] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 106.923276][ T5758] team0: Port device team_slave_0 added
[ 106.926185][ T5758] team0: Port device team_slave_1 added
[ 106.954723][ T5758] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 106.954743][ T5758] 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.
[ 106.954767][ T5758] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 106.957088][ T5758] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 106.957104][ T5758] 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.
[ 106.957126][ T5758] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 107.015788][ T5758] hsr_slave_0: entered promiscuous mode
[ 107.016873][ T5758] hsr_slave_1: entered promiscuous mode
[ 107.017646][ T5758] debugfs: 'hsr0' already exists in 'hsr'
[ 107.017722][ T5758] Cannot create hsr debugfs directory
[ 108.400973][ T964] bridge_slave_1: left allmulticast mode
[ 108.401016][ T964] bridge_slave_1: left promiscuous mode
[ 108.403488][ T964] bridge0: port 2(bridge_slave_1) entered disabled state
[ 108.410329][ T4939] Bluetooth: hci0: command tx timeout
[ 108.420196][ T964] bridge_slave_0: left allmulticast mode
[ 108.420221][ T964] bridge_slave_0: left promiscuous mode
[ 108.420826][ T964] bridge0: port 1(bridge_slave_0) entered disabled state
[ 108.557276][ T964] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 108.569955][ T964] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 108.574067][ T964] bond0 (unregistering): Released all slaves
[ 108.650796][ T964] hsr_slave_0: left promiscuous mode
[ 108.652063][ T964] hsr_slave_1: left promiscuous mode
[ 108.653126][ T964] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 108.653156][ T964] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 108.654686][ T964] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 108.654705][ T964] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 108.716438][ T964] veth1_macvtap: left promiscuous mode
[ 108.716497][ T964] veth0_macvtap: left promiscuous mode
[ 108.716618][ T964] veth1_vlan: left promiscuous mode
[ 108.716710][ T964] veth0_vlan: left promiscuous mode
[ 109.083480][ T964] team0 (unregistering): Port device team_slave_1 removed
[ 109.107851][ T964] team0 (unregistering): Port device team_slave_0 removed
[ 109.276861][ T5285] 8021q: adding VLAN 0 to HW filter on device eth1
[ 109.613877][ T5758] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 109.636198][ T5758] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 109.639070][ T5758] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 109.658657][ T5758] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 109.787206][ T5758] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 109.826647][ T5758] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 109.829022][ T5758] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 109.860981][ T5758] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 110.060603][ T5758] 8021q: adding VLAN 0 to HW filter on device bond0
[ 110.077962][ T5758] 8021q: adding VLAN 0 to HW filter on device team0
[ 110.102372][ T964] bridge0: port 1(bridge_slave_0) entered blocking state
[ 110.102473][ T964] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 110.128758][ T964] bridge0: port 2(bridge_slave_1) entered blocking state
[ 110.128875][ T964] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 110.489501][ T4939] Bluetooth: hci0: command tx timeout
[ 110.716760][ T5758] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 110.794899][ T5758] veth0_vlan: entered promiscuous mode
[ 110.813334][ T5758] veth1_vlan: entered promiscuous mode
[ 110.860930][ T5758] veth0_macvtap: entered promiscuous mode
[ 110.865865][ T5758] veth1_macvtap: entered promiscuous mode
[ 110.897068][ T5758] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 110.914471][ T5758] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 110.990649][ T50] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 110.991017][ T50] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 110.991055][ T50] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 110.991088][ T50] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 111.119268][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 111.119293][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 111.176855][ T50] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 111.176878][ T50] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 112.570264][ T4939] Bluetooth: hci0: command tx timeout
[ 114.669539][ T4939] Bluetooth: hci0: command tx timeout
2026/09/21 10:08:23 executed programs: 3
[ 195.217052][ T1311] ieee802154 phy0 wpan0: encryption failed: -22
[ 195.217147][ T1311] ieee802154 phy1 wpan1: encryption failed: -22
[ 216.659331][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 216.679171][ C0] rcu: 1-....: (1 ticks this GP) idle=dae4/1/0x4000000000000000 softirq=16412/16412 fqs=80
[ 216.689352][ C0] rcu: hardirqs softirqs csw/system
[ 216.695771][ C0] rcu: number: 8 21 36
[ 216.702194][ C0] rcu: cputime: 0 9 0 ==> 21500(ms)
[ 216.710014][ C0] rcu: (detected by 0, t=10503 jiffies, g=15529, q=2054 ncpus=2)
[ 216.717832][ C0] Sending NMI from CPU 0 to CPUs 1:
[ 216.723060][ C1] NMI backtrace for cpu 1
[ 216.723078][ C1] CPU: 1 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 PREEMPT(full)
[ 216.723097][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 216.723110][ C1] Workqueue: events_unbound cfg80211_wiphy_work
[ 216.723143][ C1] RIP: 0010:debug_object_activate+0x38/0x420
[ 216.723177][ C1] Code: 48 83 ec 48 49 89 f6 48 89 fb 65 48 8b 05 f8 82 aa 0e 48 89 44 24 40 48 8d 7c 24 18 31 ed ba 10 00 00 00 31 f6 e8 e8 2f 4d fd <48> c7 44 24 28 05 00 00 00 48 89 5c 24 30 4c 89 74 24 38 80 3d 26
[ 216.723191][ C1] RSP: 0018:ffffc90000a18d08 EFLAGS: 00000046
[ 216.723207][ C1] RAX: ffffc90000a18d20 RBX: ffff888031383300 RCX: 0000000000000000
[ 216.723219][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90000a18d30
[ 216.723231][ C1] RBP: 0000000000000000 R08: ffffc90000a18d2f R09: 0000000000000000
[ 216.723242][ C1] R10: ffffc90000a18d20 R11: fffff520001431a6 R12: 0000000000000001
[ 216.723254][ C1] R13: dffffc0000000000 R14: ffffffff8c0f9c40 R15: 0000000000000000
[ 216.723267][ C1] FS: 0000000000000000(0000) GS:ffff888124dcd000(0000) knlGS:0000000000000000
[ 216.723281][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 216.723294][ C1] CR2: 0000559568dc4138 CR3: 000000000eb48000 CR4: 00000000003526f0
[ 216.723312][ C1] Call Trace:
[ 216.723321][ C1]
[ 216.723333][ C1] enqueue_hrtimer+0xa9/0x2c0
[ 216.723361][ C1] __hrtimer_run_queues+0x4ce/0xa10
[ 216.723392][ C1] hrtimer_interrupt+0x4cd/0xaa0
[ 216.723426][ C1] __sysvec_apic_timer_interrupt+0x102/0x430
[ 216.723448][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0
[ 216.723469][ C1]
[ 216.723475][ C1]
[ 216.723481][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 216.723500][ C1] RIP: 0010:kasan_quarantine_put+0x6a/0x1f0
[ 216.723519][ C1] Code: 18 81 96 93 01 75 32 41 f7 c7 00 02 00 00 74 05 e8 3b 39 98 ff 9c 58 a9 00 02 00 00 75 78 41 f7 c7 00 02 00 00 74 01 fb 31 c0 <5b> 41 5c 41 5d 41 5e 41 5f e9 08 31 b1 09 cc 48 8d 80 00 81 96 93
[ 216.723532][ C1] RSP: 0018:ffffc90000127670 EFLAGS: 00000206
[ 216.723547][ C1] RAX: 0000000000000001 RBX: ffff888031a92800 RCX: 0000000000000046
[ 216.723559][ C1] RDX: 0000000000000006 RSI: ffffffff8e41520f RDI: ffffffff8c6da080
[ 216.723570][ C1] RBP: 0000000000000000 R08: ffffffff907a487f R09: 1ffffffff20f490f
[ 216.723582][ C1] R10: dffffc0000000000 R11: fffffbfff20f4910 R12: ffff888031a92800
[ 216.723594][ C1] R13: 0000000000000000 R14: 0000000000035080 R15: 0000000000000286
[ 216.723614][ C1] kfree+0x1c5/0x650
[ 216.723637][ C1] ? ieee80211_ibss_rx_queued_mgmt+0x1ea1/0x2c40
[ 216.723659][ C1] ? __local_bh_enable_ip+0xd6/0x140
[ 216.723684][ C1] ieee80211_ibss_rx_queued_mgmt+0x1ea1/0x2c40
[ 216.723710][ C1] ? process_scheduled_works+0xc3d/0x1630
[ 216.723735][ C1] ? ieee80211_ibss_rx_queued_mgmt+0xf15/0x2c40
[ 216.723755][ C1] ? __lock_acquire+0x747/0x2de0
[ 216.723774][ C1] ? __pfx_ieee80211_ibss_rx_queued_mgmt+0x10/0x10
[ 216.723804][ C1] ? do_raw_spin_lock+0x12b/0x2f0
[ 216.723827][ C1] ? kcov_remote_start+0x9c/0x7e0
[ 216.723848][ C1] ? kcov_remote_start+0x1a6/0x7e0
[ 216.723868][ C1] ieee80211_iface_work+0x78a/0x1010
[ 216.723895][ C1] cfg80211_wiphy_work+0x29e/0x420
[ 216.723922][ C1] ? process_scheduled_works+0x97a/0x1630
[ 216.723943][ C1] process_scheduled_works+0xc3d/0x1630
[ 216.723977][ C1] ? __pfx_process_scheduled_works+0x10/0x10
[ 216.724002][ C1] ? assign_work+0x3cf/0x5d0
[ 216.724025][ C1] worker_thread+0xa47/0xfb0
[ 216.724058][ C1] kthread+0x38b/0x480
[ 216.724075][ C1] ? __pfx_worker_thread+0x10/0x10
[ 216.724096][ C1] ? __pfx_kthread+0x10/0x10
[ 216.724113][ C1] ret_from_fork+0x514/0xb70
[ 216.724131][ C1] ? __pfx_ret_from_fork+0x10/0x10
[ 216.724147][ C1] ? __switch_to+0xc89/0x1420
[ 216.724178][ C1] ? __pfx_kthread+0x10/0x10
[ 216.724195][ C1] ret_from_fork_asm+0x1a/0x30
[ 216.724227][ C1]
[ 217.104349][ C0] rcu: rcu_preempt kthread starved for 2150 jiffies! g15529 f0x0 RCU_GP_WAIT_FQS(5) ->state=R ->cpu=0
[ 217.115308][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 217.125289][ C0] rcu: RCU grace-period kthread stack dump:
[ 217.131197][ C0] task:rcu_preempt state:R running task stack:26632 pid:17 tgid:17 ppid:2 task_flags:0x208040 flags:0x00080000
[ 217.144729][ C0] Call Trace:
[ 217.148027][ C0]
[ 217.150983][ C0] __schedule+0x17db/0x58f0
[ 217.155520][ C0] ? __lock_acquire+0x747/0x2de0
[ 217.160493][ C0] ? do_raw_spin_unlock+0xf5/0x200
[ 217.165641][ C0] ? __pfx___schedule+0x10/0x10
[ 217.170518][ C0] ? lock_acquire+0x115/0x350
[ 217.175228][ C0] ? schedule+0x90/0x2b0
[ 217.179497][ C0] schedule+0x164/0x2b0
[ 217.183682][ C0] schedule_timeout+0x152/0x2c0
[ 217.188564][ C0] ? __pfx_schedule_timeout+0x10/0x10
[ 217.193967][ C0] ? __pfx_process_timeout+0x10/0x10
[ 217.199287][ C0] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 217.205116][ C0] ? prepare_to_swait_event+0x322/0x350
[ 217.210699][ C0] rcu_gp_fqs_loop+0x30c/0x11f0
[ 217.215588][ C0] ? __pfx_rcu_watching_snap_recheck+0x10/0x10
[ 217.221868][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10
[ 217.227171][ C0] ? _raw_spin_unlock_irq+0x2e/0x50
[ 217.232397][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 217.238228][ C0] rcu_gp_kthread+0x9e/0x2b0
[ 217.242857][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10
[ 217.248082][ C0] ? __kthread_parkme+0x71/0x1f0
[ 217.253052][ C0] ? __kthread_parkme+0x199/0x1f0
[ 217.258114][ C0] kthread+0x38b/0x480
[ 217.262204][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10
[ 217.267421][ C0] ? __pfx_kthread+0x10/0x10
[ 217.272050][ C0] ret_from_fork+0x514/0xb70
[ 217.276667][ C0] ? __pfx_ret_from_fork+0x10/0x10
[ 217.281804][ C0] ? __switch_to+0xc89/0x1420
[ 217.286516][ C0] ? __pfx_kthread+0x10/0x10
[ 217.291136][ C0] ret_from_fork_asm+0x1a/0x30
[ 217.296044][ C0]
[ 217.299077][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 217.305414][ C0] CPU: 0 UID: 0 PID: 1405 Comm: kworker/u8:13 Not tainted syzkaller #0 PREEMPT(full)
[ 217.314976][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 217.325050][ C0] Workqueue: writeback wb_workfn (flush-8:0)
[ 217.331238][ C0] RIP: 0010:smp_call_function_many_cond+0x1132/0x1500
[ 217.338021][ C0] Code: 78 44 8b 2b 44 89 ee 83 e6 01 31 ff e8 27 4b 0c 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 07 e8 12 46 0c 00 eb 35 f3 90 <43> 0f b6 04 2c 84 c0 75 0f f7 03 01 00 00 00 74 1d e8 f8 45 0c 00
[ 217.357644][ C0] RSP: 0018:ffffc90005a46460 EFLAGS: 00000293
[ 217.363822][ C0] RAX: ffffffff81bb8c88 RBX: ffff8880b87414c8 RCX: ffff888029753e80
[ 217.371810][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
[ 217.379882][ C0] RBP: ffffc90005a465b0 R08: ffffffff907a487f R09: 1ffffffff20f490f
[ 217.387870][ C0] R10: dffffc0000000000 R11: fffffbfff20f4910 R12: 1ffff110170e8299
[ 217.395856][ C0] R13: dffffc0000000000 R14: 1ffff110052eaa83 R15: 0000000000000001
[ 217.403844][ C0] FS: 0000000000000000(0000) GS:ffff888124ccd000(0000) knlGS:0000000000000000
[ 217.412880][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 217.419477][ C0] CR2: 000056292d4baa38 CR3: 000000000eb48000 CR4: 00000000003526f0
[ 217.427469][ C0] Call Trace:
[ 217.430762][ C0]
[ 217.433708][ C0] ? smp_call_function_many_cond+0x8c1/0x1500
[ 217.439810][ C0] ? __pfx_flush_tlb_func+0x10/0x10
[ 217.445034][ C0] ? __pfx_should_flush_tlb+0x10/0x10
[ 217.450526][ C0] ? __pfx_smp_call_function_many_cond+0x10/0x10
[ 217.456884][ C0] ? rcu_is_watching+0x16/0xb0
[ 217.461675][ C0] ? trace_tlb_flush+0x3c/0x160
[ 217.466556][ C0] flush_tlb_mm_range+0x8ff/0x1090
[ 217.472389][ C0] ? check_pte+0x2c1/0x380
[ 217.476841][ C0] ? __pfx_flush_tlb_mm_range+0x10/0x10
[ 217.482409][ C0] ? lock_acquire+0x115/0x350
[ 217.487112][ C0] ? page_table_check_clear+0x124/0x500
[ 217.492686][ C0] ? page_table_check_clear+0x124/0x500
[ 217.498252][ C0] ? page_table_check_clear+0x49d/0x500
[ 217.503817][ C0] ? page_table_check_clear+0x124/0x500
[ 217.509385][ C0] ptep_clear_flush+0x120/0x170
[ 217.514272][ C0] page_vma_mkclean_one+0x4b9/0x840
[ 217.519501][ C0] ? __pfx_page_vma_mkclean_one+0x10/0x10
[ 217.525416][ C0] ? lock_acquire+0x115/0x350
[ 217.530130][ C0] page_mkclean_one+0x20c/0x2e0
[ 217.534998][ C0] ? __pfx_page_mkclean_one+0x10/0x10
[ 217.540413][ C0] ? mapping_rmap_tree_iter_first+0x219/0x230
[ 217.546538][ C0] ? __pfx_page_mkclean_one+0x10/0x10
[ 217.552021][ C0] __rmap_walk_file+0x4cd/0x6a0
[ 217.556905][ C0] folio_mkclean+0x2d5/0x3f0
[ 217.561523][ C0] ? __pfx_folio_mkclean+0x10/0x10
[ 217.566665][ C0] ? __pfx_page_mkclean_one+0x10/0x10
[ 217.572065][ C0] ? __pfx_invalid_mkclean_vma+0x10/0x10
[ 217.577715][ C0] ? folio_mapping+0x16f/0x1f0
[ 217.582501][ C0] folio_clear_dirty_for_io+0x190/0x820
[ 217.588077][ C0] mpage_submit_folio+0x83/0x2a0
[ 217.593036][ C0] ext4_do_writepages+0x203d/0x4770
[ 217.598400][ C0] ? __pfx_ext4_do_writepages+0x10/0x10
[ 217.603996][ C0] ? lock_acquire+0x115/0x350
[ 217.608716][ C0] ext4_writepages+0x241/0x3b0
[ 217.613591][ C0] ? __pfx_ext4_writepages+0x10/0x10
[ 217.618918][ C0] ? do_raw_spin_unlock+0xf5/0x200
[ 217.624131][ C0] ? __pfx_ext4_writepages+0x10/0x10
[ 217.629438][ C0] do_writepages+0x338/0x560
[ 217.634046][ C0] ? do_raw_spin_lock+0x12b/0x2f0
[ 217.639101][ C0] ? reacquire_held_locks+0x117/0x1a0
[ 217.644583][ C0] ? writeback_sb_inodes+0x450/0x1b00
[ 217.649989][ C0] __writeback_single_inode+0x136/0x1220
[ 217.655666][ C0] ? do_raw_spin_unlock+0xf5/0x200
[ 217.660804][ C0] writeback_sb_inodes+0x9de/0x1b00
[ 217.666140][ C0] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 217.672015][ C0] ? __pfx_down_read_trylock+0x10/0x10
[ 217.677511][ C0] __writeback_inodes_wb+0x114/0x240
[ 217.682834][ C0] wb_writeback+0x42f/0xad0
[ 217.687368][ C0] ? queue_io+0x281/0x470
[ 217.691730][ C0] ? __pfx_wb_writeback+0x10/0x10
[ 217.696772][ C0] ? do_raw_spin_lock+0x12b/0x2f0
[ 217.701838][ C0] wb_workfn+0xc92/0x10f0
[ 217.706206][ C0] ? __pfx_wb_workfn+0x10/0x10
[ 217.711013][ C0] ? lock_acquire+0x115/0x350
[ 217.715894][ C0] ? rcu_is_watching+0x16/0xb0
[ 217.720690][ C0] ? process_scheduled_works+0x97a/0x1630
[ 217.726436][ C0] process_scheduled_works+0xc3d/0x1630
[ 217.732039][ C0] ? __pfx_process_scheduled_works+0x10/0x10
[ 217.738069][ C0] ? assign_work+0x3cf/0x5d0
[ 217.742690][ C0] worker_thread+0xa47/0xfb0
[ 217.747333][ C0] kthread+0x38b/0x480
[ 217.751421][ C0] ? __pfx_worker_thread+0x10/0x10
[ 217.756554][ C0] ? __pfx_kthread+0x10/0x10
[ 217.761169][ C0] ret_from_fork+0x514/0xb70
[ 217.765782][ C0] ? __pfx_ret_from_fork+0x10/0x10
[ 217.770914][ C0] ? __switch_to+0xc89/0x1420
[ 217.775623][ C0] ? __pfx_kthread+0x10/0x10
[ 217.780245][ C0] ret_from_fork_asm+0x1a/0x30
[ 217.785055][ C0]