Warning: Permanently added '10.128.0.161' (ED25519) to the list of known hosts.
2026/08/29 17:17:28 parsed 1 programs
2026/08/29 17:17:28 serving rpc on tcp://33319
[ 169.078015][ T5653] cgroup: Unknown subsys name 'net'
[ 169.191245][ T5653] cgroup: Unknown subsys name 'cpuset'
[ 169.200302][ T5653] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 170.859207][ T5653] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 173.964144][ T5659] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[ 175.933718][ T5686] bridge0: port 1(bridge_slave_0) entered blocking state
[ 175.934711][ T5686] bridge0: port 1(bridge_slave_0) entered disabled state
[ 175.935102][ T5686] bridge_slave_0: entered allmulticast mode
[ 175.943351][ T5686] bridge_slave_0: entered promiscuous mode
[ 175.961733][ T5686] bridge0: port 2(bridge_slave_1) entered blocking state
[ 175.962084][ T5686] bridge0: port 2(bridge_slave_1) entered disabled state
[ 175.962518][ T5686] bridge_slave_1: entered allmulticast mode
[ 175.972524][ T5686] bridge_slave_1: entered promiscuous mode
[ 176.010000][ T5686] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 176.020600][ T5686] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 176.051755][ T5686] team0: Port device team_slave_0 added
[ 176.058995][ T5686] team0: Port device team_slave_1 added
[ 176.085536][ T5686] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 176.085588][ T5686] 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.
[ 176.085616][ T5686] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 176.104311][ T5686] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 176.104363][ T5686] 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.
[ 176.104438][ T5686] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 176.199630][ T5686] hsr_slave_0: entered promiscuous mode
[ 176.202533][ T5686] hsr_slave_1: entered promiscuous mode
[ 176.369209][ T5686] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 176.384267][ T5686] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 176.389595][ T5686] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 176.401936][ T5686] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 176.411204][ T5686] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 176.421376][ T5686] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 176.430209][ T5686] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 176.441691][ T5686] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 176.475174][ T5686] bridge0: port 2(bridge_slave_1) entered blocking state
[ 176.475500][ T5686] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 176.478807][ T5686] bridge0: port 1(bridge_slave_0) entered blocking state
[ 176.479146][ T5686] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 176.561035][ T5686] 8021q: adding VLAN 0 to HW filter on device bond0
[ 176.580339][ T49] bridge0: port 1(bridge_slave_0) entered disabled state
[ 176.588223][ T49] bridge0: port 2(bridge_slave_1) entered disabled state
[ 176.607736][ T5686] 8021q: adding VLAN 0 to HW filter on device team0
[ 176.620351][ T59] bridge0: port 1(bridge_slave_0) entered blocking state
[ 176.620620][ T59] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 176.639781][ T59] bridge0: port 2(bridge_slave_1) entered blocking state
[ 176.640017][ T59] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 177.015425][ T5686] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 177.065922][ T5686] veth0_vlan: entered promiscuous mode
[ 177.078116][ T5686] veth1_vlan: entered promiscuous mode
[ 177.112329][ T5686] veth0_macvtap: entered promiscuous mode
[ 177.122743][ T5686] veth1_macvtap: entered promiscuous mode
[ 177.144851][ T5686] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 177.161167][ T5686] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 177.216459][ T31] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 177.227696][ T31] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 177.228107][ T31] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 177.228213][ T31] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 177.369195][ T31] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 177.435682][ T31] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 177.503434][ T31] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 177.592012][ T31] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 177.620955][ T4935] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 177.629500][ T4935] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 177.636780][ T4935] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 177.642550][ T4935] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 177.650386][ T4935] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 178.711377][ T59] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 178.711435][ T59] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 178.754250][ T59] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 178.755233][ T59] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2026/08/29 17:17:42 executed programs: 0
[ 179.465775][ T4935] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 179.470693][ T4935] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 179.475307][ T4935] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 179.492261][ T4935] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 179.500566][ T4935] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 179.615728][ T31] bridge_slave_1: left allmulticast mode
[ 179.623535][ T31] bridge_slave_1: left promiscuous mode
[ 179.632523][ T31] bridge0: port 2(bridge_slave_1) entered disabled state
[ 179.652896][ T31] bridge_slave_0: left allmulticast mode
[ 179.660372][ T31] bridge_slave_0: left promiscuous mode
[ 179.667704][ T31] bridge0: port 1(bridge_slave_0) entered disabled state
[ 179.916724][ T31] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 179.930146][ T31] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 179.941104][ T31] bond0 (unregistering): Released all slaves
[ 180.095901][ T31] hsr_slave_0: left promiscuous mode
[ 180.101561][ T31] hsr_slave_1: left promiscuous mode
[ 180.102666][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 180.105118][ T31] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 180.112471][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 180.112495][ T31] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 180.149100][ T31] veth1_macvtap: left promiscuous mode
[ 180.149187][ T31] veth0_macvtap: left promiscuous mode
[ 180.150913][ T31] veth1_vlan: left promiscuous mode
[ 180.151191][ T31] veth0_vlan: left promiscuous mode
[ 180.435922][ T31] team0 (unregistering): Port device team_slave_1 removed
[ 180.452026][ T31] team0 (unregistering): Port device team_slave_0 removed
[ 180.579705][ T5280] 8021q: adding VLAN 0 to HW filter on device eth1
[ 181.229783][ T5772] bridge0: port 1(bridge_slave_0) entered blocking state
[ 181.238443][ T5772] bridge0: port 1(bridge_slave_0) entered disabled state
[ 181.248010][ T5772] bridge_slave_0: entered allmulticast mode
[ 181.255957][ T5772] bridge_slave_0: entered promiscuous mode
[ 181.265751][ T5772] bridge0: port 2(bridge_slave_1) entered blocking state
[ 181.273163][ T5772] bridge0: port 2(bridge_slave_1) entered disabled state
[ 181.280815][ T5772] bridge_slave_1: entered allmulticast mode
[ 181.289012][ T5772] bridge_slave_1: entered promiscuous mode
[ 181.537106][ T52] Bluetooth: hci0: command tx timeout
[ 181.709182][ T5280] 8021q: adding VLAN 0 to HW filter on device eth2
[ 181.720518][ T5772] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 181.734121][ T5772] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 181.778692][ T5772] team0: Port device team_slave_0 added
[ 181.790928][ T5772] team0: Port device team_slave_1 added
[ 181.859575][ T5772] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 181.866776][ T5772] 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.
[ 181.875617][ T5772] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 181.889989][ T5772] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 181.890044][ T5772] 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.
[ 181.890120][ T5772] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 182.278049][ T5772] hsr_slave_0: entered promiscuous mode
[ 182.281111][ T5772] hsr_slave_1: entered promiscuous mode
[ 182.631242][ T5280] 8021q: adding VLAN 0 to HW filter on device eth3
[ 183.104058][ T5772] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 183.119809][ T5772] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 183.127661][ T5772] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 183.140500][ T5772] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 183.145644][ T5772] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 183.158365][ T5772] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 183.163059][ T5772] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 183.181311][ T5772] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 183.297290][ T5772] 8021q: adding VLAN 0 to HW filter on device bond0
[ 183.327660][ T5772] 8021q: adding VLAN 0 to HW filter on device team0
[ 183.341605][ T96] bridge0: port 1(bridge_slave_0) entered blocking state
[ 183.341733][ T96] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 183.370665][ T96] bridge0: port 2(bridge_slave_1) entered blocking state
[ 183.370793][ T96] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 183.618094][ T52] Bluetooth: hci0: command tx timeout
[ 183.934378][ T5772] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 183.994615][ T5772] veth0_vlan: entered promiscuous mode
[ 184.008841][ T5772] veth1_vlan: entered promiscuous mode
[ 184.058959][ T5772] veth0_macvtap: entered promiscuous mode
[ 184.070331][ T5772] veth1_macvtap: entered promiscuous mode
[ 184.095209][ T5772] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 184.111964][ T5772] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 184.168345][ T31] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 184.168416][ T31] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 184.168478][ T31] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 184.168519][ T31] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 184.273164][ T31] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 184.273204][ T31] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 184.329346][ T96] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 184.329399][ T96] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2026/08/29 17:17:47 executed programs: 2
[ 188.603087][ T52] Bluetooth: hci0: command tx timeout
[ 194.506664][ T1312] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.506767][ T1312] ieee802154 phy1 wpan1: encryption failed: -22
[ 289.465945][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 289.473075][ C1] rcu: 0-...!: (1 ticks this GP) idle=0e04/1/0x4000000000000000 softirq=16930/16930 fqs=755
[ 289.483363][ C1] rcu: (detected by 1, t=10502 jiffies, g=16881, q=1277 ncpus=2)
[ 289.491226][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 289.496773][ C0] NMI backtrace for cpu 0
[ 289.496813][ C0] CPU: 0 UID: 0 PID: 5892 Comm: rm Not tainted syzkaller #0 PREEMPT(full)
[ 289.496844][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 289.496860][ C0] RIP: 0010:rcu_is_watching+0x1d/0xb0
[ 289.496901][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 41 56 53 65 48 ff 05 cf b4 e7 11 e8 6a c6 36 0a 89 c3 83 f8 08 73 66 <49> bf 00 00 00 00 00 fc ff df 4c 8d 34 dd d0 47 74 8e 4c 89 f0 48
[ 289.496917][ C0] RSP: 0018:ffffc90000007d30 EFLAGS: 00000093
[ 289.496938][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000001000002
[ 289.496954][ C0] RDX: 0000000001000001 RSI: ffffffff8c6d8b60 RDI: ffffffff8c6d8b20
[ 289.496968][ C0] RBP: 0000000000000000 R08: 0000000001000001 R09: 1ffffffff20f404f
[ 289.496980][ C0] R10: dffffc0000000000 R11: fffffbfff20f4050 R12: 0000000000000001
[ 289.496993][ C0] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
[ 289.497006][ C0] FS: 0000000000000000(0000) GS:ffff888124ce0000(0000) knlGS:0000000000000000
[ 289.497021][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 289.497033][ C0] CR2: 00007fe6e6220e9c CR3: 000000000eb48000 CR4: 00000000003526f0
[ 289.497050][ C0] Call Trace:
[ 289.497062][ C0]
[ 289.497072][ C0] trace_hrtimer_start+0x79/0x200
[ 289.497111][ C0] enqueue_hrtimer+0xb7/0x2c0
[ 289.497140][ C0] __hrtimer_run_queues+0x4ce/0xa10
[ 289.497175][ C0] hrtimer_interrupt+0x4cd/0xaa0
[ 289.497215][ C0] __sysvec_apic_timer_interrupt+0x102/0x430
[ 289.497239][ C0] sysvec_apic_timer_interrupt+0xa1/0xc0
[ 289.497265][ C0]
[ 289.497271][ C0]
[ 289.497278][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 289.497298][ C0] RIP: 0010:lock_acquire+0x232/0x350
[ 289.497316][ C0] Code: ff ff ff e8 40 dc 3f 0a f7 44 24 10 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 92 e7 f0 11 48 3b 44 24 50 75 33 fb 48 83 c4 58 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 8d 3d 07 23 da
[ 289.497331][ C0] RSP: 0018:ffffc90002f67540 EFLAGS: 00000292
[ 289.497347][ C0] RAX: 9d556131b08ea100 RBX: 0000000000000000 RCX: 0000000000000046
[ 289.497359][ C0] RDX: 00000000e99ea524 RSI: ffffffff8e6fac39 RDI: ffffffff8c6d8b80
[ 289.497373][ C0] RBP: ffff88801e7c0000 R08: 2e00000000000000 R09: 0000000000000000
[ 289.497386][ C0] R10: 0000000000000000 R11: ffffffff8ed5c6e0 R12: ffffffff8ed5c6e0
[ 289.497398][ C0] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000246
[ 289.497418][ C0] ? kmem_cache_free+0x45e/0x650
[ 289.497436][ C0] ? unwind_next_frame+0x8f/0x2550
[ 289.497459][ C0] unwind_next_frame+0xac/0x2550
[ 289.497479][ C0] ? unwind_next_frame+0x8f/0x2550
[ 289.497503][ C0] ? kasan_record_aux_stack+0xbd/0xd0
[ 289.497528][ C0] ? unwind_next_frame+0x8f/0x2550
[ 289.497551][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 289.497581][ C0] arch_stack_walk+0x11b/0x150
[ 289.497606][ C0] ? kmem_cache_free+0x45e/0x650
[ 289.497626][ C0] stack_trace_save+0xa9/0x100
[ 289.497654][ C0] ? __pfx_stack_trace_save+0x10/0x10
[ 289.497681][ C0] ? __kasan_kmalloc+0x93/0xb0
[ 289.497701][ C0] ? exit_mmap+0x4ca/0x9f0
[ 289.497725][ C0] ? __mmput+0x118/0x420
[ 289.497746][ C0] ? exit_mm+0x221/0x2d0
[ 289.497762][ C0] ? do_exit+0x6cd/0x2360
[ 289.497778][ C0] ? do_group_exit+0x22d/0x2f0
[ 289.497795][ C0] ? __x64_sys_exit_group+0x3f/0x40
[ 289.497812][ C0] ? x64_sys_call+0x18c6/0x18d0
[ 289.497840][ C0] ? do_syscall_64+0x166/0x520
[ 289.497867][ C0] kasan_save_stack+0x3e/0x60
[ 289.497885][ C0] ? kasan_save_stack+0x3e/0x60
[ 289.497901][ C0] ? kasan_record_aux_stack+0xbd/0xd0
[ 289.497926][ C0] ? kmem_cache_free+0x45e/0x650
[ 289.497969][ C0] ? tear_down_vmas+0x31f/0x530
[ 289.497994][ C0] kasan_record_aux_stack+0xbd/0xd0
[ 289.498019][ C0] kmem_cache_free+0x45e/0x650
[ 289.498040][ C0] tear_down_vmas+0x31f/0x530
[ 289.498069][ C0] exit_mmap+0x4ca/0x9f0
[ 289.498103][ C0] ? __pfx_exit_mmap+0x10/0x10
[ 289.498141][ C0] ? __pfx_exit_aio+0x10/0x10
[ 289.498174][ C0] ? uprobe_clear_state+0x2a4/0x3d0
[ 289.498200][ C0] __mmput+0x118/0x420
[ 289.498223][ C0] exit_mm+0x221/0x2d0
[ 289.498242][ C0] do_exit+0x6cd/0x2360
[ 289.498264][ C0] ? __pfx_do_exit+0x10/0x10
[ 289.498279][ C0] ? do_raw_spin_lock+0x12b/0x2f0
[ 289.498310][ C0] ? _raw_spin_unlock_irq+0x23/0x50
[ 289.498334][ C0] do_group_exit+0x22d/0x2f0
[ 289.498354][ C0] __x64_sys_exit_group+0x3f/0x40
[ 289.498372][ C0] x64_sys_call+0x18c6/0x18d0
[ 289.498400][ C0] do_syscall_64+0x166/0x520
[ 289.498424][ C0] ? trace_irq_disable+0x3b/0x140
[ 289.498442][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.498460][ C0] ? clear_bhb_loop+0x70/0xc0
[ 289.498481][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.498500][ C0] RIP: 0033:0x7fe6e637f6c5
[ 289.498528][ C0] Code: Unable to access opcode bytes at 0x7fe6e637f69b.
[ 289.498538][ C0] RSP: 002b:00007ffe68285138 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
[ 289.498556][ C0] RAX: ffffffffffffffda RBX: 00007fe6e6480fe8 RCX: 00007fe6e637f6c5
[ 289.498569][ C0] RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000000
[ 289.498582][ C0] RBP: 0000000000000001 R08: 00007ffe682850c8 R09: 0000000000000000
[ 289.498594][ C0] R10: 00007ffe68284f60 R11: 0000000000000202 R12: 0000000000000000
[ 289.498605][ C0] R13: 0000000000000000 R14: 00007fe6e647f680 R15: 00007fe6e6481000
[ 289.498627][ C0]
[ 290.028162][ C1] rcu: rcu_preempt kthread starved for 8554 jiffies! g16881 f0x0 RCU_GP_WAIT_FQS(5) ->state=R ->cpu=1
[ 290.039132][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 290.049226][ C1] rcu: RCU grace-period kthread stack dump:
[ 290.055175][ C1] task:rcu_preempt state:R running task stack:28160 pid:17 tgid:17 ppid:2 task_flags:0x208040 flags:0x00080000
[ 290.068719][ C1] Call Trace:
[ 290.072029][ C1]
[ 290.075016][ C1] __schedule+0x17d4/0x5820
[ 290.079601][ C1] ? __lock_acquire+0x6df/0x2e50
[ 290.084614][ C1] ? do_raw_spin_unlock+0xf5/0x200
[ 290.089896][ C1] ? __pfx___schedule+0x10/0x10
[ 290.094785][ C1] ? lock_acquire+0x115/0x350
[ 290.099505][ C1] ? schedule+0x90/0x2b0
[ 290.103803][ C1] schedule+0x164/0x2b0
[ 290.108004][ C1] schedule_timeout+0x152/0x2c0
[ 290.113062][ C1] ? __pfx_schedule_timeout+0x10/0x10
[ 290.118476][ C1] ? __pfx_process_timeout+0x10/0x10
[ 290.123822][ C1] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 290.129761][ C1] ? prepare_to_swait_event+0x322/0x350
[ 290.135357][ C1] rcu_gp_fqs_loop+0x30c/0x11f0
[ 290.140352][ C1] ? __pfx_rcu_watching_snap_recheck+0x10/0x10
[ 290.146550][ C1] ? __pfx_rcu_gp_fqs_loop+0x10/0x10
[ 290.151878][ C1] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 290.157816][ C1] rcu_gp_kthread+0x9e/0x2b0
[ 290.162445][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10
[ 290.167769][ C1] ? __kthread_parkme+0x71/0x1f0
[ 290.172777][ C1] ? __kthread_parkme+0x199/0x1f0
[ 290.177877][ C1] kthread+0x38b/0x480
[ 290.182085][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10
[ 290.187323][ C1] ? __pfx_kthread+0x10/0x10
[ 290.191953][ C1] ret_from_fork+0x514/0xb70
[ 290.196597][ C1] ? __pfx_ret_from_fork+0x10/0x10
[ 290.201766][ C1] ? __switch_to+0xc89/0x1420
[ 290.206490][ C1] ? __pfx_kthread+0x10/0x10
[ 290.211110][ C1] ret_from_fork_asm+0x1a/0x30
[ 290.215973][ C1]
[ 290.219033][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 290.225383][ C1] CPU: 1 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 PREEMPT(full)
[ 290.234793][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 290.245156][ C1] Workqueue: writeback wb_workfn (flush-8:0)
[ 290.251196][ C1] RIP: 0010:smp_call_function_many_cond+0x61e/0x1500
[ 290.257939][ C1] Code: b6 04 04 84 c0 0f 85 d5 03 00 00 44 8b 3b 44 89 fe 83 e6 01 31 ff e8 51 51 0c 00 41 83 e7 01 75 07 e8 46 4c 0c 00 eb 3f f3 90 <48> b8 00 00 00 00 00 fc ff df 41 0f b6 04 04 84 c0 75 0f f7 03 01
[ 290.277672][ C1] RSP: 0018:ffffc90000126460 EFLAGS: 00000293
[ 290.283876][ C1] RAX: ffffffff81bb677e RBX: ffff8880b8643708 RCX: ffff88801e29ddc0
[ 290.291894][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
[ 290.299995][ C1] RBP: ffffc900001265b0 R08: ffff88801e29f35f R09: 1ffff11003c53e6b
[ 290.308001][ C1] R10: dffffc0000000000 R11: ffffffff8179db70 R12: 1ffff110170c86e1
[ 290.316007][ C1] R13: 0000000000000000 R14: ffff8880b8643700 R15: 0000000000000001
[ 290.324025][ C1] FS: 0000000000000000(0000) GS:ffff888124de0000(0000) knlGS:0000000000000000
[ 290.332984][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 290.339599][ C1] CR2: 00007fc9a8d556c8 CR3: 0000000079ad6000 CR4: 00000000003526f0
[ 290.347653][ C1] Call Trace:
[ 290.351057][ C1]
[ 290.354048][ C1] ? __pfx_flush_tlb_func+0x10/0x10
[ 290.359305][ C1] ? __pfx_should_flush_tlb+0x10/0x10
[ 290.364963][ C1] ? __pfx_smp_call_function_many_cond+0x10/0x10
[ 290.371335][ C1] ? rcu_is_watching+0x16/0xb0
[ 290.376146][ C1] ? trace_tlb_flush+0x3c/0x160
[ 290.381048][ C1] flush_tlb_mm_range+0x8ff/0x1090
[ 290.386208][ C1] ? check_pte+0x2c1/0x380
[ 290.390723][ C1] ? __pfx_flush_tlb_mm_range+0x10/0x10
[ 290.396413][ C1] ? lock_acquire+0x115/0x350
[ 290.401247][ C1] ? page_table_check_clear+0x124/0x500
[ 290.406830][ C1] ? page_table_check_clear+0x124/0x500
[ 290.412428][ C1] ? page_table_check_clear+0x49d/0x500
[ 290.418013][ C1] ? page_table_check_clear+0x124/0x500
[ 290.423608][ C1] ptep_clear_flush+0x120/0x170
[ 290.428514][ C1] page_vma_mkclean_one+0x4b9/0x840
[ 290.433778][ C1] ? __pfx_page_vma_mkclean_one+0x10/0x10
[ 290.439553][ C1] ? lock_acquire+0x115/0x350
[ 290.444534][ C1] page_mkclean_one+0x20c/0x2e0
[ 290.449434][ C1] ? __pfx_page_mkclean_one+0x10/0x10
[ 290.454877][ C1] ? mapping_rmap_tree_iter_first+0x219/0x230
[ 290.460992][ C1] ? __pfx_page_mkclean_one+0x10/0x10
[ 290.466514][ C1] __rmap_walk_file+0x4cd/0x6a0
[ 290.471426][ C1] folio_mkclean+0x2d5/0x3f0
[ 290.476068][ C1] ? __pfx_folio_mkclean+0x10/0x10
[ 290.481235][ C1] ? __pfx_page_mkclean_one+0x10/0x10
[ 290.486659][ C1] ? __pfx_invalid_mkclean_vma+0x10/0x10
[ 290.492382][ C1] ? folio_mapping+0x16f/0x1f0
[ 290.497212][ C1] folio_clear_dirty_for_io+0x190/0x820
[ 290.502920][ C1] mpage_submit_folio+0x83/0x2a0
[ 290.508096][ C1] ext4_do_writepages+0x203d/0x4770
[ 290.513486][ C1] ? __pfx_ext4_do_writepages+0x10/0x10
[ 290.519194][ C1] ? lock_acquire+0x115/0x350
[ 290.524008][ C1] ext4_writepages+0x241/0x3b0
[ 290.528822][ C1] ? __pfx_ext4_writepages+0x10/0x10
[ 290.534260][ C1] ? do_raw_spin_unlock+0xf5/0x200
[ 290.539417][ C1] ? __pfx_ext4_writepages+0x10/0x10
[ 290.544929][ C1] do_writepages+0x338/0x560
[ 290.549568][ C1] ? do_raw_spin_lock+0x12b/0x2f0
[ 290.554645][ C1] ? reacquire_held_locks+0x117/0x1a0
[ 290.560055][ C1] ? writeback_sb_inodes+0x450/0x1b00
[ 290.565500][ C1] __writeback_single_inode+0x136/0x1220
[ 290.571205][ C1] ? do_raw_spin_unlock+0xf5/0x200
[ 290.576417][ C1] writeback_sb_inodes+0x9de/0x1b00
[ 290.581696][ C1] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 290.587407][ C1] ? __pfx_down_read_trylock+0x10/0x10
[ 290.592928][ C1] __writeback_inodes_wb+0x114/0x240
[ 290.598271][ C1] wb_writeback+0x42f/0xad0
[ 290.602822][ C1] ? queue_io+0x241/0x470
[ 290.607196][ C1] ? __pfx_wb_writeback+0x10/0x10
[ 290.612430][ C1] ? do_raw_spin_lock+0x12b/0x2f0
[ 290.617512][ C1] wb_workfn+0xc92/0x10f0
[ 290.621898][ C1] ? __pfx_wb_workfn+0x10/0x10
[ 290.626823][ C1] ? rcu_is_watching+0x16/0xb0
[ 290.631642][ C1] ? trace_hrtimer_start+0x82/0x200
[ 290.636935][ C1] ? do_raw_spin_lock+0x12b/0x2f0
[ 290.642026][ C1] ? lock_acquire+0x115/0x350
[ 290.646745][ C1] ? rcu_is_watching+0x16/0xb0
[ 290.651546][ C1] ? process_scheduled_works+0x97a/0x1630
[ 290.657482][ C1] process_scheduled_works+0xc3d/0x1630
[ 290.663101][ C1] ? __pfx_process_scheduled_works+0x10/0x10
[ 290.669217][ C1] ? assign_work+0x3cf/0x5d0
[ 290.673851][ C1] worker_thread+0xa47/0xfb0
[ 290.678508][ C1] kthread+0x38b/0x480
[ 290.682620][ C1] ? __pfx_worker_thread+0x10/0x10
[ 290.687777][ C1] ? __pfx_kthread+0x10/0x10
[ 290.692412][ C1] ret_from_fork+0x514/0xb70
[ 290.697051][ C1] ? __pfx_ret_from_fork+0x10/0x10
[ 290.702207][ C1] ? __switch_to+0xc89/0x1420
[ 290.706935][ C1] ? __pfx_kthread+0x10/0x10
[ 290.711574][ C1] ret_from_fork_asm+0x1a/0x30
[ 290.716424][ C1]