Warning: Permanently added '10.128.1.55' (ED25519) to the list of known hosts. 2025/08/24 18:21:31 parsed 1 programs [ 79.670664][ T5865] cgroup: Unknown subsys name 'net' [ 79.817449][ T5865] cgroup: Unknown subsys name 'cpuset' [ 79.825250][ T5865] cgroup: Unknown subsys name 'rlimit' [ 81.122848][ T5865] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 83.487446][ T5876] 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. [ 84.583276][ T5906] chnl_net:caif_netlink_parms(): no params data found [ 84.644324][ T5906] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.651558][ T5906] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.660073][ T5906] bridge_slave_0: entered allmulticast mode [ 84.667240][ T5906] bridge_slave_0: entered promiscuous mode [ 84.678129][ T5906] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.685425][ T5906] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.692679][ T5906] bridge_slave_1: entered allmulticast mode [ 84.699744][ T5906] bridge_slave_1: entered promiscuous mode [ 84.723656][ T5906] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 84.735627][ T5906] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 84.760965][ T5906] team0: Port device team_slave_0 added [ 84.768513][ T5906] team0: Port device team_slave_1 added [ 84.792962][ T5906] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 84.800168][ T5906] 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 1560 would solve the problem. [ 84.826307][ T5906] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 84.839340][ T5906] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 84.846794][ T5906] 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 1560 would solve the problem. [ 84.872757][ T5906] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 84.904155][ T5906] hsr_slave_0: entered promiscuous mode [ 84.910333][ T5906] hsr_slave_1: entered promiscuous mode [ 84.994691][ T5906] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 85.004153][ T5906] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 85.013699][ T5906] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 85.022644][ T5906] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 85.043218][ T5906] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.050350][ T5906] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.057773][ T5906] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.064975][ T5906] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.102251][ T5906] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.114775][ T3019] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.122758][ T3019] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.135489][ T5906] 8021q: adding VLAN 0 to HW filter on device team0 [ 85.146658][ T37] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.153767][ T37] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.166170][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.173280][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.293458][ T5906] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 85.322656][ T5906] veth0_vlan: entered promiscuous mode [ 85.333749][ T5906] veth1_vlan: entered promiscuous mode [ 85.354133][ T5906] veth0_macvtap: entered promiscuous mode [ 85.363893][ T5906] veth1_macvtap: entered promiscuous mode [ 85.378869][ T5906] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 85.390871][ T5906] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 85.402700][ T3019] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.412134][ T2122] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.426364][ T2122] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.435382][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.511293][ T3019] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 85.551915][ T3019] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 85.607782][ T3019] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 85.633410][ T5185] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 85.641137][ T5185] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 85.648770][ T5185] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 85.656824][ T5185] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 85.664317][ T5185] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 85.683904][ T3019] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 86.156707][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.164582][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.182176][ T37] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.190600][ T37] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/08/24 18:21:41 executed programs: 0 [ 86.496778][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 86.504076][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 86.512716][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 86.522409][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 86.530592][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 86.638293][ T5970] chnl_net:caif_netlink_parms(): no params data found [ 86.689722][ T5970] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.697004][ T5970] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.704145][ T5970] bridge_slave_0: entered allmulticast mode [ 86.710997][ T5970] bridge_slave_0: entered promiscuous mode [ 86.718971][ T5970] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.726190][ T5970] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.733344][ T5970] bridge_slave_1: entered allmulticast mode [ 86.740393][ T5970] bridge_slave_1: entered promiscuous mode [ 86.767941][ T5970] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 86.778976][ T5970] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.803750][ T5970] team0: Port device team_slave_0 added [ 86.811061][ T5970] team0: Port device team_slave_1 added [ 86.832456][ T5970] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 86.839971][ T5970] 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 1560 would solve the problem. [ 86.866310][ T5970] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 86.878278][ T5970] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 86.886347][ T5970] 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 1560 would solve the problem. [ 86.912413][ T5970] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 86.954537][ T5970] hsr_slave_0: entered promiscuous mode [ 86.961059][ T5970] hsr_slave_1: entered promiscuous mode [ 86.967491][ T5970] debugfs: 'hsr0' already exists in 'hsr' [ 86.973559][ T5970] Cannot create hsr debugfs directory [ 88.585102][ T51] Bluetooth: hci0: command tx timeout [ 88.902821][ T3019] bridge_slave_1: left allmulticast mode [ 88.913856][ T3019] bridge_slave_1: left promiscuous mode [ 88.920912][ T3019] bridge0: port 2(bridge_slave_1) entered disabled state [ 88.934136][ T3019] bridge_slave_0: left allmulticast mode [ 88.940673][ T3019] bridge_slave_0: left promiscuous mode [ 88.946914][ T3019] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.098362][ T3019] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 89.109146][ T3019] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 89.120589][ T3019] bond0 (unregistering): Released all slaves [ 89.247178][ T3019] hsr_slave_0: left promiscuous mode [ 89.253323][ T3019] hsr_slave_1: left promiscuous mode [ 89.260889][ T3019] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 89.270243][ T3019] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 89.278891][ T3019] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 89.287226][ T3019] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 89.299395][ T3019] veth1_macvtap: left promiscuous mode [ 89.305717][ T3019] veth0_macvtap: left promiscuous mode [ 89.311334][ T3019] veth1_vlan: left promiscuous mode [ 89.317856][ T3019] veth0_vlan: left promiscuous mode [ 89.480744][ T3019] team0 (unregistering): Port device team_slave_1 removed [ 89.493833][ T3019] team0 (unregistering): Port device team_slave_0 removed [ 89.720509][ T5970] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 89.736771][ T5970] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 89.746656][ T5970] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 89.757072][ T5970] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 89.857414][ T5970] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.877773][ T5970] 8021q: adding VLAN 0 to HW filter on device team0 [ 90.096654][ T37] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.103840][ T37] bridge0: port 1(bridge_slave_0) entered forwarding state [ 90.118047][ T37] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.125211][ T37] bridge0: port 2(bridge_slave_1) entered forwarding state [ 90.385235][ T5970] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.450241][ T5970] veth0_vlan: entered promiscuous mode [ 90.479408][ T5970] veth1_vlan: entered promiscuous mode [ 90.516298][ T5970] veth0_macvtap: entered promiscuous mode [ 90.527321][ T5970] veth1_macvtap: entered promiscuous mode [ 90.543370][ T5970] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 90.555349][ T5970] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 90.567959][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.577877][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.588779][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.598018][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.637145][ T37] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.648546][ T37] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.665745][ T51] Bluetooth: hci0: command tx timeout [ 90.669502][ T59] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.679458][ T59] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 195.714942][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 195.722011][ C1] rcu: 0-...!: (0 ticks this GP) idle=558c/1/0x4000000000000000 softirq=17161/17161 fqs=3 [ 195.732009][ C1] rcu: (detected by 1, t=10502 jiffies, g=9461, q=350 ncpus=2) [ 195.739671][ C1] Sending NMI from CPU 1 to CPUs 0: [ 195.739711][ C0] NMI backtrace for cpu 0 [ 195.739737][ C0] CPU: 0 UID: 0 PID: 5970 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) [ 195.739757][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 195.739774][ C0] RIP: 0010:memset_orig+0x15/0xb0 [ 195.739812][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01 48 0f af c1 <41> 89 f9 41 83 e1 07 75 74 48 89 d1 48 c1 e9 06 74 39 66 0f 1f 84 [ 195.739826][ C0] RSP: 0018:ffffc90000007ca0 EFLAGS: 00000006 [ 195.739847][ C0] RAX: 0000000000000000 RBX: ffffffff8bacf580 RCX: 0000000000000000 [ 195.739858][ C0] RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc90000007cb0 [ 195.739869][ C0] RBP: ffffc90000007e90 R08: ffffc90000007cbf R09: 1ffff92000000f97 [ 195.739881][ C0] R10: ffffc90000007cb0 R11: fffff52000000f98 R12: ffff8880314cd340 [ 195.739893][ C0] R13: dffffc0000000000 R14: 186d5d88f4000000 R15: ffff8880b8627b80 [ 195.739906][ C0] FS: 000055555c28a500(0000) GS:ffff8881259ff000(0000) knlGS:0000000000000000 [ 195.739920][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 195.739932][ C0] CR2: 000055555c2a55c8 CR3: 00000000773f2000 CR4: 00000000003526f0 [ 195.739953][ C0] Call Trace: [ 195.739962][ C0] [ 195.739969][ C0] debug_object_deactivate+0x36/0x250 [ 195.740005][ C0] debug_deactivate+0x1d/0x200 [ 195.740032][ C0] __hrtimer_run_queues+0x2b0/0xc60 [ 195.740064][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 195.740087][ C0] ? read_tsc+0x9/0x20 [ 195.740107][ C0] ? __pfx_net_tx_action+0x10/0x10 [ 195.740129][ C0] hrtimer_interrupt+0x45b/0xaa0 [ 195.740175][ C0] __sysvec_apic_timer_interrupt+0x108/0x410 [ 195.740192][ C0] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 195.740212][ C0] [ 195.740217][ C0] [ 195.740223][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 195.740241][ C0] RIP: 0010:kasan_check_range+0xa5/0x2c0 [ 195.740262][ C0] Code: 34 19 4d 89 f4 4d 29 dc 49 83 fc 10 7f 29 4d 85 e4 0f 84 41 01 00 00 4c 89 cb 48 f7 d3 4c 01 fb 41 80 3b 00 0f 85 de 01 00 00 <49> ff c3 48 ff c3 75 ee e9 21 01 00 00 44 89 dd 83 e5 07 0f 84 b5 [ 195.740275][ C0] RSP: 0018:ffffc90003e6fbc8 EFLAGS: 00000246 [ 195.740288][ C0] RAX: 00000000ffffff01 RBX: ffffffffffffffff RCX: ffffffff819ee892 [ 195.740299][ C0] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88805edee988 [ 195.740309][ C0] RBP: ffffc90003e6fcc0 R08: ffff88805edee98b R09: 1ffff1100bdbdd31 [ 195.740321][ C0] R10: dffffc0000000000 R11: ffffed100bdbdd31 R12: 0000000000000001 [ 195.740332][ C0] R13: ffff88805edee990 R14: ffffed100bdbdd32 R15: 1ffff1100bdbdd31 [ 195.740347][ C0] ? do_raw_spin_lock+0x112/0x290 [ 195.740379][ C0] do_raw_spin_lock+0x112/0x290 [ 195.740395][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 195.740411][ C0] ? do_raw_spin_lock+0x121/0x290 [ 195.740425][ C0] ? lock_acquire+0x5f/0x360 [ 195.740446][ C0] __d_instantiate+0x197/0x740 [ 195.740472][ C0] d_instantiate+0x6f/0xa0 [ 195.740494][ C0] alloc_file_pseudo+0xf6/0x210 [ 195.740518][ C0] ? __pfx_alloc_file_pseudo+0x10/0x10 [ 195.740543][ C0] ? alloc_fd+0x64c/0x6c0 [ 195.740563][ C0] sock_alloc_file+0xb8/0x2e0 [ 195.740586][ C0] ? __sys_socket+0x12c/0x1b0 [ 195.740601][ C0] __sys_socket+0x13d/0x1b0 [ 195.740617][ C0] __x64_sys_socket+0x7a/0x90 [ 195.740633][ C0] do_syscall_64+0xfa/0xfa0 [ 195.740651][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 195.740665][ C0] ? clear_bhb_loop+0x60/0xb0 [ 195.740682][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 195.740696][ C0] RIP: 0033:0x7f3caaf90b07 [ 195.740713][ C0] Code: f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 195.740725][ C0] RSP: 002b:00007ffc850182e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000029 [ 195.740739][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3caaf90b07 [ 195.740749][ C0] RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002 [ 195.740757][ C0] RBP: 00007ffc85018a1c R08: 0000000000000000 R09: 00007ffc85018727 [ 195.740767][ C0] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f3cab184e60 [ 195.740776][ C0] R13: 00007f3cab181280 R14: 0000000000016221 R15: 00007f3cab187020 [ 195.740793][ C0] [ 195.741702][ C1] rcu: rcu_preempt kthread starved for 10485 jiffies! g9461 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 196.175434][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 196.185418][ C1] rcu: RCU grace-period kthread stack dump: [ 196.191402][ C1] task:rcu_preempt state:R running task stack:27464 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000 [ 196.204935][ C1] Call Trace: [ 196.208227][ C1] [ 196.211185][ C1] __schedule+0x1798/0x4cc0 [ 196.215716][ C1] ? rcu_is_watching+0x15/0xb0 [ 196.220510][ C1] ? __pfx___schedule+0x10/0x10 [ 196.225374][ C1] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 196.231284][ C1] ? schedule+0x91/0x360 [ 196.235670][ C1] ? rcu_is_watching+0x15/0xb0 [ 196.240463][ C1] ? lock_release+0x4b/0x3e0 [ 196.245081][ C1] schedule+0x165/0x360 [ 196.249258][ C1] schedule_timeout+0x12b/0x270 [ 196.254120][ C1] ? __pfx_schedule_timeout+0x10/0x10 [ 196.259530][ C1] ? rcu_is_watching+0x15/0xb0 [ 196.264359][ C1] ? __pfx_process_timeout+0x10/0x10 [ 196.269693][ C1] ? prepare_to_swait_event+0x341/0x380 [ 196.275259][ C1] rcu_gp_fqs_loop+0x301/0x1540 [ 196.280140][ C1] ? __pfx_rcu_watching_snap_recheck+0x10/0x10 [ 196.286313][ C1] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 196.291617][ C1] ? _raw_spin_unlock_irq+0x2e/0x50 [ 196.296834][ C1] ? finish_swait+0xcd/0x1f0 [ 196.301444][ C1] rcu_gp_kthread+0x99/0x390 [ 196.306055][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 196.311278][ C1] ? __kthread_parkme+0x7b/0x200 [ 196.316243][ C1] ? __kthread_parkme+0x1a1/0x200 [ 196.321297][ C1] kthread+0x711/0x8a0 [ 196.325384][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 196.330632][ C1] ? __pfx_kthread+0x10/0x10 [ 196.335242][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 196.340456][ C1] ? lockdep_hardirqs_on+0x9c/0x150 [ 196.345674][ C1] ? __pfx_kthread+0x10/0x10 [ 196.350278][ C1] ret_from_fork+0x47c/0x820 [ 196.354955][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 196.360283][ C1] ? __switch_to_asm+0x39/0x70 [ 196.365101][ C1] ? __switch_to_asm+0x33/0x70 [ 196.369905][ C1] ? __pfx_kthread+0x10/0x10 [ 196.374518][ C1] ret_from_fork_asm+0x1a/0x30 [ 196.379327][ C1] [ 196.382376][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 196.388711][ C1] CPU: 1 UID: 0 PID: 5913 Comm: kworker/1:3 Not tainted syzkaller #0 PREEMPT(full) [ 196.398182][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 196.408248][ C1] Workqueue: events fqdir_free_fn [ 196.413309][ C1] RIP: 0010:smp_call_function_single+0x3a9/0x590 [ 196.419693][ C1] Code: 33 44 89 f6 83 e6 01 31 ff e8 b3 73 0b 00 41 83 e6 01 75 11 e8 68 6f 0b 00 4d 89 fe eb 3f e8 5e 6f 0b 00 eb 3c 4d 89 fe f3 90 <43> 0f b6 04 2c 84 c0 75 0f f7 03 01 00 00 00 74 1d e8 41 6f 0b 00 [ 196.439312][ C1] RSP: 0018:ffffc9000418f8a0 EFLAGS: 00000293 [ 196.445498][ C1] RAX: ffffffff81b51f8f RBX: ffffc9000418f8e8 RCX: ffff88802e7c5a00 [ 196.453495][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 196.461482][ C1] RBP: ffffc9000418f998 R08: ffffffff8fc40337 R09: 1ffffffff1f88066 [ 196.469468][ C1] R10: dffffc0000000000 R11: ffffffff81713100 R12: 1ffff92000831f1d [ 196.477478][ C1] R13: dffffc0000000000 R14: 1ffff92000831f18 R15: 1ffff92000831f18 [ 196.485663][ C1] FS: 0000000000000000(0000) GS:ffff888125aff000(0000) knlGS:0000000000000000 [ 196.494635][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 196.501243][ C1] CR2: 000000c007c07000 CR3: 0000000076a44000 CR4: 00000000003526f0 [ 196.509288][ C1] Call Trace: [ 196.512596][ C1] [ 196.515550][ C1] ? __pfx_rcu_barrier_handler+0x10/0x10 [ 196.521221][ C1] ? __pfx_smp_call_function_single+0x10/0x10 [ 196.527320][ C1] ? __pfx_rcu_barrier_handler+0x10/0x10 [ 196.532972][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 196.539327][ C1] ? __raw_spin_lock_init+0x45/0x100 [ 196.544666][ C1] ? __init_swait_queue_head+0xa9/0x150 [ 196.550245][ C1] rcu_barrier+0x360/0x570 [ 196.554695][ C1] ? process_scheduled_works+0x9ef/0x17b0 [ 196.560464][ C1] fqdir_free_fn+0x33/0x140 [ 196.564997][ C1] ? process_scheduled_works+0x9ef/0x17b0 [ 196.570780][ C1] process_scheduled_works+0xae1/0x17b0 [ 196.576377][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 196.582390][ C1] worker_thread+0x8a0/0xda0 [ 196.587020][ C1] kthread+0x711/0x8a0 [ 196.591106][ C1] ? __pfx_worker_thread+0x10/0x10 [ 196.596246][ C1] ? __pfx_kthread+0x10/0x10 [ 196.600847][ C1] ? rcu_is_watching+0x15/0xb0 [ 196.605723][ C1] ? __pfx_kthread+0x10/0x10 [ 196.610335][ C1] ret_from_fork+0x47c/0x820 [ 196.614956][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 196.620100][ C1] ? __switch_to_asm+0x39/0x70 [ 196.624894][ C1] ? __switch_to_asm+0x33/0x70 [ 196.629695][ C1] ? __pfx_kthread+0x10/0x10 [ 196.634298][ C1] ret_from_fork_asm+0x1a/0x30 [ 196.639104][ C1]