Warning: Permanently added '10.128.1.46' (ED25519) to the list of known hosts. 2026/08/30 14:47:09 parsed 1 programs 2026/08/30 14:47:09 serving rpc on tcp://41087 [ 115.741391][ T5649] cgroup: Unknown subsys name 'net' [ 115.850765][ T5649] cgroup: Unknown subsys name 'cpuset' [ 115.858870][ T5649] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 117.153097][ T5649] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 119.872855][ T5656] 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. [ 121.376092][ T5685] bridge0: port 1(bridge_slave_0) entered blocking state [ 121.376644][ T5685] bridge0: port 1(bridge_slave_0) entered disabled state [ 121.376767][ T5685] bridge_slave_0: entered allmulticast mode [ 121.379180][ T5685] bridge_slave_0: entered promiscuous mode [ 121.383582][ T5685] bridge0: port 2(bridge_slave_1) entered blocking state [ 121.383666][ T5685] bridge0: port 2(bridge_slave_1) entered disabled state [ 121.383770][ T5685] bridge_slave_1: entered allmulticast mode [ 121.385443][ T5685] bridge_slave_1: entered promiscuous mode [ 121.430447][ T5685] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 121.433342][ T5685] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 121.456216][ T5685] team0: Port device team_slave_0 added [ 121.460201][ T5685] team0: Port device team_slave_1 added [ 121.478394][ T5685] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 121.478419][ T5685] 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. [ 121.478748][ T5685] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 121.482190][ T5685] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 121.482202][ T5685] 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. [ 121.482223][ T5685] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 121.525639][ T5685] hsr_slave_0: entered promiscuous mode [ 121.526610][ T5685] hsr_slave_1: entered promiscuous mode [ 121.670539][ T5685] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 121.682475][ T5685] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 121.683476][ T5685] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 121.693636][ T5685] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 121.694421][ T5685] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 121.704495][ T5685] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 121.708086][ T5685] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 121.718904][ T5685] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 121.751275][ T5685] bridge0: port 2(bridge_slave_1) entered blocking state [ 121.751381][ T5685] bridge0: port 2(bridge_slave_1) entered forwarding state [ 121.751983][ T5685] bridge0: port 1(bridge_slave_0) entered blocking state [ 121.752089][ T5685] bridge0: port 1(bridge_slave_0) entered forwarding state [ 121.807952][ T5685] 8021q: adding VLAN 0 to HW filter on device bond0 [ 121.821177][ T3380] bridge0: port 1(bridge_slave_0) entered disabled state [ 121.830801][ T3380] bridge0: port 2(bridge_slave_1) entered disabled state [ 121.845448][ T5685] 8021q: adding VLAN 0 to HW filter on device team0 [ 121.853340][ T3346] bridge0: port 1(bridge_slave_0) entered blocking state [ 121.853428][ T3346] bridge0: port 1(bridge_slave_0) entered forwarding state [ 121.862844][ T3346] bridge0: port 2(bridge_slave_1) entered blocking state [ 121.862935][ T3346] bridge0: port 2(bridge_slave_1) entered forwarding state [ 122.131953][ T5685] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 122.170400][ T5685] veth0_vlan: entered promiscuous mode [ 122.177358][ T5685] veth1_vlan: entered promiscuous mode [ 122.203381][ T5685] veth0_macvtap: entered promiscuous mode [ 122.211573][ T5685] veth1_macvtap: entered promiscuous mode [ 122.226491][ T5685] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 122.242596][ T5685] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 122.268660][ T3346] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 122.269258][ T3346] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 122.269291][ T3346] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 122.269319][ T3346] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 122.412409][ T3346] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 122.486959][ T3346] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 122.571003][ T3346] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 122.651901][ T3346] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 123.053443][ T59] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 123.053484][ T59] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 123.083578][ T3380] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 123.084013][ T3380] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 123.409873][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 123.417079][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 123.426680][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 123.439259][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 123.447126][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2026/08/30 14:47:20 executed programs: 0 [ 124.331885][ T4934] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 124.333854][ T4934] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 124.334471][ T4934] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 124.335218][ T4934] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 124.335721][ T4934] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 124.704556][ T5768] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.704699][ T5768] bridge0: port 1(bridge_slave_0) entered disabled state [ 124.704814][ T5768] bridge_slave_0: entered allmulticast mode [ 124.706662][ T5768] bridge_slave_0: entered promiscuous mode [ 124.714018][ T5768] bridge0: port 2(bridge_slave_1) entered blocking state [ 124.714112][ T5768] bridge0: port 2(bridge_slave_1) entered disabled state [ 124.714220][ T5768] bridge_slave_1: entered allmulticast mode [ 124.716320][ T5768] bridge_slave_1: entered promiscuous mode [ 124.744752][ T5768] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 124.748337][ T5768] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 124.780052][ T5768] team0: Port device team_slave_0 added [ 124.782720][ T5768] team0: Port device team_slave_1 added [ 124.804122][ T5768] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 124.804149][ T5768] 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. [ 124.804170][ T5768] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 124.805888][ T5768] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 124.805899][ T5768] 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. [ 124.805920][ T5768] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 124.851263][ T5768] hsr_slave_0: entered promiscuous mode [ 124.852505][ T5768] hsr_slave_1: entered promiscuous mode [ 124.853121][ T5768] debugfs: 'hsr0' already exists in 'hsr' [ 124.853206][ T5768] Cannot create hsr debugfs directory [ 125.024698][ T3346] bridge_slave_1: left allmulticast mode [ 125.029960][ T3346] bridge_slave_1: left promiscuous mode [ 125.030699][ T3346] bridge0: port 2(bridge_slave_1) entered disabled state [ 125.044847][ T3346] bridge_slave_0: left allmulticast mode [ 125.044873][ T3346] bridge_slave_0: left promiscuous mode [ 125.045342][ T3346] bridge0: port 1(bridge_slave_0) entered disabled state [ 125.153280][ T3346] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 125.165563][ T3346] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 125.170029][ T3346] bond0 (unregistering): Released all slaves [ 125.256482][ T3346] hsr_slave_0: left promiscuous mode [ 125.262984][ T3346] hsr_slave_1: left promiscuous mode [ 125.269924][ T3346] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 125.269953][ T3346] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 125.286871][ T3346] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 125.286912][ T3346] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 125.308023][ T3346] veth1_macvtap: left promiscuous mode [ 125.308092][ T3346] veth0_macvtap: left promiscuous mode [ 125.308186][ T3346] veth1_vlan: left promiscuous mode [ 125.308298][ T3346] veth0_vlan: left promiscuous mode [ 125.613059][ T3346] team0 (unregistering): Port device team_slave_1 removed [ 125.638684][ T3346] team0 (unregistering): Port device team_slave_0 removed [ 125.751704][ T5280] 8021q: adding VLAN 0 to HW filter on device eth1 [ 126.030910][ T5768] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 126.042454][ T5768] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 126.052889][ T5768] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 126.072304][ T5768] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 126.075571][ T5768] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 126.092699][ T5768] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 126.094714][ T5768] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 126.108771][ T5768] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 126.380880][ T52] Bluetooth: hci0: command tx timeout [ 126.553799][ T5768] 8021q: adding VLAN 0 to HW filter on device bond0 [ 126.587077][ T5768] 8021q: adding VLAN 0 to HW filter on device team0 [ 126.608921][ T59] bridge0: port 1(bridge_slave_0) entered blocking state [ 126.609062][ T59] bridge0: port 1(bridge_slave_0) entered forwarding state [ 126.628996][ T59] bridge0: port 2(bridge_slave_1) entered blocking state [ 126.629090][ T59] bridge0: port 2(bridge_slave_1) entered forwarding state [ 127.303974][ T5768] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 127.362949][ T5768] veth0_vlan: entered promiscuous mode [ 127.379239][ T5768] veth1_vlan: entered promiscuous mode [ 127.417021][ T5768] veth0_macvtap: entered promiscuous mode [ 127.427915][ T5768] veth1_macvtap: entered promiscuous mode [ 127.452699][ T5768] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 127.469048][ T5768] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 127.570772][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 127.579322][ T3346] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 127.580005][ T3346] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 127.600104][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 127.645529][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 127.654320][ T3317] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 127.654713][ T3317] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 127.674722][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 129.955710][ T52] Bluetooth: hci0: command tx timeout [ 234.967498][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 234.974490][ C0] rcu: 1-...!: (1 ticks this GP) idle=baac/1/0x4000000000000000 softirq=15913/15916 fqs=163 [ 234.984647][ C0] rcu: (detected by 0, t=10502 jiffies, g=13213, q=1327 ncpus=2) [ 234.992457][ C0] Sending NMI from CPU 0 to CPUs 1: [ 234.997669][ C1] NMI backtrace for cpu 1 [ 234.997703][ C1] CPU: 1 UID: 0 PID: 5860 Comm: dhcpcd-run-hook Not tainted syzkaller #0 PREEMPT(full) [ 234.997747][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 234.997774][ C1] RIP: 0010:__lock_acquire+0x879/0x2e50 [ 234.997804][ C1] Code: 03 41 81 e4 00 60 00 00 48 89 d9 48 c1 e9 20 29 c8 44 01 e0 89 ca c1 c2 04 31 c2 01 d9 29 d3 89 d0 c1 c0 06 31 d8 01 ca 29 c1 <89> c6 c1 c6 08 31 ce 01 d0 29 f2 89 f3 c1 c3 10 31 d3 01 c6 29 d8 [ 234.997819][ C1] RSP: 0018:ffffc90000a18b10 EFLAGS: 00000002 [ 234.997839][ C1] RAX: 00000000ffefbdf7 RBX: 0000000000004008 RCX: 0000000000104207 [ 234.997851][ C1] RDX: 00000000ffffbff5 RSI: ffff88802ab96970 RDI: ffff88802ab95dc0 [ 234.997866][ C1] RBP: 0000000000000000 R08: 9700000000000000 R09: 0000000000080000 [ 234.997878][ C1] R10: 0000000000000000 R11: ffffffff8ed5c6e0 R12: 0000000000004000 [ 234.997895][ C1] R13: 0000000000000000 R14: ffff88802ab96970 R15: 0000000000000000 [ 234.997908][ C1] FS: 00007f8379980c80(0000) GS:ffff888124de0000(0000) knlGS:0000000000000000 [ 234.997924][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 234.997937][ C1] CR2: 00007ffdc7403bd8 CR3: 000000002738e000 CR4: 00000000003526f0 [ 234.997954][ C1] Call Trace: [ 234.997967][ C1] [ 234.997976][ C1] ? __lock_acquire+0x6df/0x2e50 [ 234.997997][ C1] ? __lock_acquire+0x6df/0x2e50 [ 234.998017][ C1] lock_acquire+0x115/0x350 [ 234.998034][ C1] ? advance_sched+0x9e8/0xc80 [ 234.998060][ C1] ? do_raw_spin_unlock+0xf5/0x200 [ 234.998085][ C1] ? advance_sched+0x9e8/0xc80 [ 234.998107][ C1] advance_sched+0xa04/0xc80 [ 234.998129][ C1] ? advance_sched+0x9e8/0xc80 [ 234.998156][ C1] ? __pfx_advance_sched+0x10/0x10 [ 234.998178][ C1] __hrtimer_run_queues+0x3bc/0xa10 [ 234.998211][ C1] hrtimer_interrupt+0x4cd/0xaa0 [ 234.998247][ C1] __sysvec_apic_timer_interrupt+0x102/0x430 [ 234.998270][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 234.998295][ C1] [ 234.998301][ C1] [ 234.998308][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 234.998328][ C1] RIP: 0010:__might_resched+0xd/0x4c0 [ 234.998359][ C1] Code: 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 41 57 41 56 41 55 41 54 <53> 48 83 ec 20 89 d3 89 74 24 04 48 89 7c 24 08 e8 ce 7e 4c 0a 85 [ 234.998374][ C1] RSP: 0018:ffffc9000398fc08 EFLAGS: 00000296 [ 234.998388][ C1] RAX: 0000000000000000 RBX: 0000000000000cc0 RCX: 0000000000000046 [ 234.998397][ C1] RDX: 0000000000000000 RSI: 0000000000000142 RDI: ffffffff8e516277 [ 234.998407][ C1] RBP: 0000000000000cc0 R08: 7d00000000000000 R09: 0000000000000000 [ 234.998419][ C1] R10: 0000000000000000 R11: ffffffff8eea5560 R12: ffffffff824e193e [ 234.998431][ C1] R13: 0000562ae9f6f1e0 R14: ffff888140413140 R15: ffff88802ab95dc0 [ 234.998447][ C1] ? do_getname+0x2e/0x250 [ 234.998473][ C1] ? do_getname+0x2e/0x250 [ 234.998493][ C1] kmem_cache_alloc_noprof+0x92/0x600 [ 234.998521][ C1] ? do_getname+0x2e/0x250 [ 234.998543][ C1] do_getname+0x2e/0x250 [ 234.998562][ C1] ? getname_flags+0x11/0x20 [ 234.998583][ C1] vfs_fstatat+0x45/0x170 [ 234.998603][ C1] __x64_sys_newfstatat+0x151/0x200 [ 234.998627][ C1] ? __pfx___x64_sys_newfstatat+0x10/0x10 [ 234.998662][ C1] do_syscall_64+0x166/0x520 [ 234.998687][ C1] ? trace_irq_disable+0x3b/0x140 [ 234.998704][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 234.998723][ C1] ? clear_bhb_loop+0x70/0xc0 [ 234.998743][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 234.998761][ C1] RIP: 0033:0x7f8379b3ab0a [ 234.998786][ C1] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 234.998801][ C1] RSP: 002b:00007ffdc7404538 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 234.998818][ C1] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8379b3ab0a [ 234.998831][ C1] RDX: 00007ffdc7404548 RSI: 0000562ae9f6f1e0 RDI: 00000000ffffff9c [ 234.998844][ C1] RBP: 0000562ae9f68040 R08: 0000000000000001 R09: 3c00000040001201 [ 234.998856][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8379cc2322 [ 234.998868][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 234.998891][ C1] [ 235.415387][ C0] rcu: rcu_preempt kthread starved for 10175 jiffies! g13213 f0x0 RCU_GP_WAIT_FQS(5) ->state=R ->cpu=0 [ 235.426398][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 235.436363][ C0] rcu: RCU grace-period kthread stack dump: [ 235.442252][ C0] task:rcu_preempt state:R running task stack:27696 pid:17 tgid:17 ppid:2 task_flags:0x208040 flags:0x00080000 [ 235.455759][ C0] Call Trace: [ 235.459032][ C0] [ 235.461965][ C0] __schedule+0x17d4/0x5820 [ 235.466478][ C0] ? __lock_acquire+0x6df/0x2e50 [ 235.471424][ C0] ? do_raw_spin_unlock+0xf5/0x200 [ 235.476632][ C0] ? __pfx___schedule+0x10/0x10 [ 235.481488][ C0] ? lock_acquire+0x115/0x350 [ 235.486167][ C0] ? schedule+0x90/0x2b0 [ 235.490416][ C0] schedule+0x164/0x2b0 [ 235.494573][ C0] schedule_timeout+0x152/0x2c0 [ 235.499421][ C0] ? __pfx_schedule_timeout+0x10/0x10 [ 235.504789][ C0] ? __pfx_process_timeout+0x10/0x10 [ 235.510082][ C0] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 235.515915][ C0] ? prepare_to_swait_event+0x322/0x350 [ 235.521467][ C0] rcu_gp_fqs_loop+0x30c/0x11f0 [ 235.526329][ C0] ? __pfx_rcu_watching_snap_recheck+0x10/0x10 [ 235.532490][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 235.538029][ C0] ? _raw_spin_unlock_irq+0x2e/0x50 [ 235.543241][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 235.549049][ C0] rcu_gp_kthread+0x9e/0x2b0 [ 235.553640][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 235.558850][ C0] ? __kthread_parkme+0x71/0x1f0 [ 235.563803][ C0] ? __kthread_parkme+0x199/0x1f0 [ 235.568840][ C0] kthread+0x38b/0x480 [ 235.572911][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 235.578101][ C0] ? __pfx_kthread+0x10/0x10 [ 235.582706][ C0] ret_from_fork+0x514/0xb70 [ 235.587307][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 235.592432][ C0] ? __switch_to+0xc89/0x1420 [ 235.597115][ C0] ? __pfx_kthread+0x10/0x10 [ 235.601702][ C0] ret_from_fork_asm+0x1a/0x30 [ 235.606487][ C0] [ 235.609508][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 235.615818][ C0] CPU: 0 UID: 0 PID: 5657 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 235.624746][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 235.634789][ C0] RIP: 0010:smp_call_function_many_cond+0x628/0x1500 [ 235.641464][ C0] Code: 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 00 00 00 74 1d e8 22 4c 0c 00 [ 235.661072][ C0] RSP: 0000:ffffc90003dcf720 EFLAGS: 00000293 [ 235.667163][ C0] RAX: dffffc0000000000 RBX: ffff8880b87414c8 RCX: ffff88802be5be80 [ 235.675131][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 235.683094][ C0] RBP: ffffc90003dcf870 R08: ffff88802be5d41f R09: 1ffff110057cba83 [ 235.691060][ C0] R10: dffffc0000000000 R11: ffffffff8179db70 R12: 1ffff110170e8299 [ 235.699032][ C0] R13: 0000000000000001 R14: ffff8880b87414c0 R15: 0000000000000001 [ 235.707022][ C0] FS: 00007faf8f93f880(0000) GS:ffff888124ce0000(0000) knlGS:0000000000000000 [ 235.715945][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 235.722526][ C0] CR2: 000055e026ba8a38 CR3: 00000000294c4000 CR4: 00000000003526f0 [ 235.730492][ C0] Call Trace: [ 235.733768][ C0] [ 235.736696][ C0] ? __pfx_flush_tlb_func+0x10/0x10 [ 235.741910][ C0] ? __pfx_should_flush_tlb+0x10/0x10 [ 235.747291][ C0] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 235.753620][ C0] ? rcu_is_watching+0x16/0xb0 [ 235.758384][ C0] ? trace_tlb_flush+0x3c/0x160 [ 235.763242][ C0] flush_tlb_mm_range+0x8ff/0x1090 [ 235.768372][ C0] ? __lock_acquire+0x6df/0x2e50 [ 235.773315][ C0] ? __pfx_flush_tlb_mm_range+0x10/0x10 [ 235.778864][ C0] ? lock_acquire+0x115/0x350 [ 235.783542][ C0] ? page_table_check_clear+0x124/0x500 [ 235.789090][ C0] ? page_table_check_clear+0x124/0x500 [ 235.794631][ C0] ? page_table_check_clear+0x49d/0x500 [ 235.800172][ C0] ? page_table_check_clear+0x124/0x500 [ 235.805802][ C0] ptep_clear_flush+0x120/0x170 [ 235.810659][ C0] do_wp_page+0x3c5c/0x4b80 [ 235.815167][ C0] ? do_wp_page+0x3666/0x4b80 [ 235.819849][ C0] ? __pfx_do_wp_page+0x10/0x10 [ 235.824696][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 235.829732][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 235.835113][ C0] handle_mm_fault+0x15d7/0x3750 [ 235.840061][ C0] ? handle_mm_fault+0xf1/0x3750 [ 235.845029][ C0] ? __pfx_handle_mm_fault+0x10/0x10 [ 235.850311][ C0] ? lock_vma_under_rcu+0x45a/0x500 [ 235.855543][ C0] do_user_addr_fault+0xa4f/0x1340 [ 235.860670][ C0] ? trace_page_fault_user+0x84/0x1e0 [ 235.866045][ C0] exc_page_fault+0x6a/0xc0 [ 235.870553][ C0] asm_exc_page_fault+0x26/0x30 [ 235.875400][ C0] RIP: 0033:0x7faf8f9c6a9a [ 235.879812][ C0] Code: 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 53 48 85 ff 74 2f 48 8b 47 08 48 39 c7 74 21 48 8b 1f 48 39 df 74 19 48 89 18 <48> 89 43 08 e8 8d d9 ff ff 48 89 d8 5b c3 0f 1f 84 00 00 00 00 00 [ 235.899412][ C0] RSP: 002b:00007fff7428be90 EFLAGS: 00010202 [ 235.905475][ C0] RAX: 000055e026ba90b0 RBX: 000055e026ba8a30 RCX: 0000000000000000 [ 235.913441][ C0] RDX: 000055e026bb4430 RSI: 000055e026bb0f60 RDI: 000055e026bae4e0 [ 235.921408][ C0] RBP: 000055e026bae4e0 R08: 000055e026bb0f70 R09: 0000000000000003 [ 235.929374][ C0] R10: 0000000000000000 R11: 0000000000000297 R12: 000055dfecf4c588 [ 235.937337][ C0] R13: 00007fff7428bf40 R14: 0000000000000000 R15: 0000000000000000 [ 235.945317][ C0]