Warning: Permanently added '10.128.0.103' (ED25519) to the list of known hosts. [ 109.552366][ T5646] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.572356][ T5646] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.580212][ T5646] bridge_slave_0: entered allmulticast mode [ 109.593433][ T5646] bridge_slave_0: entered promiscuous mode [ 109.646676][ T5646] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.653971][ T5646] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.661560][ T5646] bridge_slave_1: entered allmulticast mode [ 109.669380][ T5646] bridge_slave_1: entered promiscuous mode [ 109.816515][ T5646] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 109.864071][ T5646] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 109.885682][ T5651] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.892971][ T5651] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.900297][ T5651] bridge_slave_0: entered allmulticast mode [ 109.907738][ T5651] bridge_slave_0: entered promiscuous mode [ 109.939084][ T5648] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.946457][ T5648] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.953654][ T5648] bridge_slave_0: entered allmulticast mode [ 109.961214][ T5648] bridge_slave_0: entered promiscuous mode [ 109.968973][ T5651] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.976859][ T5651] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.984058][ T5651] bridge_slave_1: entered allmulticast mode [ 109.991673][ T5651] bridge_slave_1: entered promiscuous mode [ 110.032216][ T5648] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.040246][ T5648] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.047823][ T5648] bridge_slave_1: entered allmulticast mode [ 110.055347][ T5648] bridge_slave_1: entered promiscuous mode [ 110.096222][ T5646] team0: Port device team_slave_0 added [ 110.124533][ T5652] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.131862][ T5652] bridge0: port 1(bridge_slave_0) entered disabled state [ 110.139197][ T5652] bridge_slave_0: entered allmulticast mode [ 110.147006][ T5652] bridge_slave_0: entered promiscuous mode [ 110.154579][ T5650] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.161743][ T5650] bridge0: port 1(bridge_slave_0) entered disabled state [ 110.169176][ T5650] bridge_slave_0: entered allmulticast mode [ 110.177302][ T5650] bridge_slave_0: entered promiscuous mode [ 110.187723][ T5646] team0: Port device team_slave_1 added [ 110.206866][ T5651] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 110.216766][ T5652] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.224618][ T5652] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.232319][ T5652] bridge_slave_1: entered allmulticast mode [ 110.239780][ T5652] bridge_slave_1: entered promiscuous mode [ 110.250596][ T5650] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.257823][ T5650] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.265110][ T5650] bridge_slave_1: entered allmulticast mode [ 110.272477][ T5650] bridge_slave_1: entered promiscuous mode [ 110.292308][ T5648] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 110.303989][ T5651] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 110.347665][ T5648] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 110.390247][ T5646] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 110.397351][ T5646] 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. [ 110.424496][ T5646] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 110.462222][ T5652] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 110.474130][ T5650] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 110.484364][ T5646] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 110.491382][ T5646] 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. [ 110.517512][ T5646] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 110.541725][ T5651] team0: Port device team_slave_0 added [ 110.549945][ T5652] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 110.561610][ T5650] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 110.582066][ T5648] team0: Port device team_slave_0 added [ 110.589847][ T5651] team0: Port device team_slave_1 added [ 110.631027][ T5648] team0: Port device team_slave_1 added [ 110.662455][ T5652] team0: Port device team_slave_0 added [ 110.670195][ T5650] team0: Port device team_slave_0 added [ 110.710768][ T5652] team0: Port device team_slave_1 added [ 110.718563][ T5650] team0: Port device team_slave_1 added [ 110.734829][ T5651] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 110.741897][ T5651] 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. [ 110.768099][ T5651] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 110.813351][ T5648] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 110.820384][ T5648] 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. [ 110.846671][ T5648] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 110.858510][ T5651] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 110.865522][ T5651] 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. [ 110.891459][ T5651] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 110.909048][ T5646] hsr_slave_0: entered promiscuous mode [ 110.916133][ T5646] hsr_slave_1: entered promiscuous mode [ 110.944948][ T5648] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 110.951917][ T5648] 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. [ 110.977963][ T5648] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 110.999101][ T5652] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 111.006473][ T5652] 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. [ 111.032992][ T5652] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 111.045725][ T5650] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 111.052707][ T5650] 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. [ 111.079279][ T5650] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 111.112847][ T5652] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 111.119925][ T5652] 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. [ 111.145909][ T5652] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 111.165850][ T5650] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 111.172892][ T5650] 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. [ 111.199296][ T5650] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 111.250880][ T5651] hsr_slave_0: entered promiscuous mode [ 111.257332][ T5651] hsr_slave_1: entered promiscuous mode [ 111.263557][ T5651] debugfs: 'hsr0' already exists in 'hsr' [ 111.269575][ T5651] Cannot create hsr debugfs directory [ 111.337714][ T5648] hsr_slave_0: entered promiscuous mode [ 111.344065][ T5648] hsr_slave_1: entered promiscuous mode [ 111.350485][ T5648] debugfs: 'hsr0' already exists in 'hsr' [ 111.356275][ T5648] Cannot create hsr debugfs directory [ 111.450196][ T5652] hsr_slave_0: entered promiscuous mode [ 111.458713][ T5652] hsr_slave_1: entered promiscuous mode [ 111.465271][ T5652] debugfs: 'hsr0' already exists in 'hsr' [ 111.471041][ T5652] Cannot create hsr debugfs directory [ 111.525295][ T5650] hsr_slave_0: entered promiscuous mode [ 111.531691][ T5650] hsr_slave_1: entered promiscuous mode [ 111.538079][ T5650] debugfs: 'hsr0' already exists in 'hsr' [ 111.543838][ T5650] Cannot create hsr debugfs directory [ 112.000690][ T5646] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 112.014697][ T5646] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 112.022961][ T5646] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 112.034843][ T5646] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 112.050670][ T5646] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 112.062720][ T5646] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 112.070677][ T5646] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 112.082093][ T5646] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 112.158990][ T5648] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 112.170042][ T5648] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 112.178358][ T5648] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 112.188708][ T5648] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 112.202759][ T5648] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 112.215671][ T5648] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 112.223723][ T5648] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 112.234950][ T5648] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 112.336518][ T5651] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 112.349227][ T5651] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 112.375841][ T5651] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 112.387525][ T5651] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 112.403916][ T5651] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 112.416597][ T5651] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 112.441494][ T5651] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 112.453038][ T5651] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 112.530020][ T5652] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 112.543503][ T5652] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 112.552905][ T5652] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 112.562909][ T5652] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 112.571395][ T5652] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 112.581307][ T5652] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 112.601927][ T5652] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 112.613897][ T5652] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 112.628061][ T5646] 8021q: adding VLAN 0 to HW filter on device bond0 [ 112.722464][ T5646] 8021q: adding VLAN 0 to HW filter on device team0 [ 112.770834][ T5650] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 112.781750][ T5650] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 112.790362][ T5650] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 112.800483][ T5650] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 112.810542][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.818192][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 112.835119][ T5650] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 112.846195][ T5650] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 112.856069][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.863227][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 112.881825][ T5650] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 112.892177][ T5650] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 112.912193][ T5648] 8021q: adding VLAN 0 to HW filter on device bond0 [ 112.980274][ T5648] 8021q: adding VLAN 0 to HW filter on device team0 [ 113.013180][ T66] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.020330][ T66] bridge0: port 1(bridge_slave_0) entered forwarding state [ 113.053453][ T5651] 8021q: adding VLAN 0 to HW filter on device bond0 [ 113.067703][ T66] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.074913][ T66] bridge0: port 2(bridge_slave_1) entered forwarding state [ 113.131568][ T5652] 8021q: adding VLAN 0 to HW filter on device bond0 [ 113.167759][ T5651] 8021q: adding VLAN 0 to HW filter on device team0 [ 113.210199][ T5652] 8021q: adding VLAN 0 to HW filter on device team0 [ 113.222235][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.229427][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 113.272447][ T48] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.279895][ T48] bridge0: port 1(bridge_slave_0) entered forwarding state [ 113.292787][ T48] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.300028][ T48] bridge0: port 2(bridge_slave_1) entered forwarding state [ 113.335640][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.342842][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 113.408618][ T5650] 8021q: adding VLAN 0 to HW filter on device bond0 [ 113.500878][ T5650] 8021q: adding VLAN 0 to HW filter on device team0 [ 113.555100][ T14] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.562333][ T14] bridge0: port 1(bridge_slave_0) entered forwarding state [ 113.608267][ T14] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.615495][ T14] bridge0: port 2(bridge_slave_1) entered forwarding state [ 113.682263][ T5646] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 113.977951][ T5646] veth0_vlan: entered promiscuous mode [ 114.070514][ T5648] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 114.113489][ T5646] veth1_vlan: entered promiscuous mode [ 114.289225][ T5646] veth0_macvtap: entered promiscuous mode [ 114.314017][ T5646] veth1_macvtap: entered promiscuous mode [ 114.349175][ T5648] veth0_vlan: entered promiscuous mode [ 114.389610][ T5652] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 114.401939][ T5651] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 114.420683][ T5648] veth1_vlan: entered promiscuous mode [ 114.480689][ T5646] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 114.530487][ T5646] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 114.590471][ T36] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 114.613574][ T36] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 114.637554][ T5650] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 114.664113][ T36] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 114.673964][ T36] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 114.710300][ T5648] veth0_macvtap: entered promiscuous mode [ 114.740822][ T5651] veth0_vlan: entered promiscuous mode [ 114.766620][ T5648] veth1_macvtap: entered promiscuous mode executing program [ 114.808880][ T5651] veth1_vlan: entered promiscuous mode [ 114.844523][ T5648] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 114.979280][ T5648] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 115.017877][ T1049] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.027173][ T1049] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.037620][ T1049] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 123.901153][ T5650] veth0_vlan: entered promiscuous mode [ 123.916060][ T5650] veth1_vlan: entered promiscuous mode [ 228.944160][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 228.951255][ C1] rcu: 0-...!: (1 GPs behind) idle=e18c/1/0x4000000000000000 softirq=14376/14376 fqs=1 [ 228.961457][ C1] rcu: (detected by 1, t=10502 jiffies, g=14653, q=833 ncpus=2) [ 228.969220][ C1] Sending NMI from CPU 1 to CPUs 0: [ 228.969274][ C0] NMI backtrace for cpu 0 [ 228.969309][ C0] CPU: 0 UID: 0 PID: 5287 Comm: dhcpcd Not tainted syzkaller #0 PREEMPT(full) [ 228.969337][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 228.969352][ C0] RIP: 0010:lock_acquire+0x101/0x350 [ 228.969396][ C0] Code: 4c 89 7c 24 08 41 f7 c7 00 02 00 00 41 0f 94 c1 4c 89 ef 89 de 8b 54 24 04 44 89 e1 45 89 f0 6a 00 6a 00 6a 00 55 ff 74 24 30 da 02 00 00 48 83 c4 28 48 c7 c7 b4 a5 25 8e e8 6a 9f 11 0a b8 [ 228.969411][ C0] RSP: 0018:ffffc90000007c38 EFLAGS: 00000046 [ 228.969430][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 228.969441][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88802558d2c0 [ 228.969452][ C0] RBP: ffffffff89c1c9a2 R08: 0000000000000001 R09: 0000000000000001 [ 228.969463][ C0] R10: dffffc0000000000 R11: ffffffff89c1c8e0 R12: 0000000000000000 [ 228.969474][ C0] R13: ffff88802558d2c0 R14: 0000000000000001 R15: 0000000000000046 [ 228.969486][ C0] FS: 00007f3bc2561780(0000) GS:ffff888125226000(0000) knlGS:0000000000000000 [ 228.969501][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 228.969513][ C0] CR2: 000055fa2116d450 CR3: 0000000078066000 CR4: 00000000003526f0 [ 228.969532][ C0] Call Trace: [ 228.969539][ C0] [ 228.969547][ C0] ? advance_sched+0xc2/0xc80 [ 228.969576][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 228.969600][ C0] ? lock_acquire+0x106/0x350 [ 228.969617][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 228.969642][ C0] _raw_spin_lock+0x2e/0x40 [ 228.969665][ C0] ? advance_sched+0xc2/0xc80 [ 228.969691][ C0] advance_sched+0xc2/0xc80 [ 228.969715][ C0] ? __pfx_advance_sched+0x10/0x10 [ 228.969736][ C0] ? do_raw_spin_unlock+0xf5/0x210 [ 228.969761][ C0] ? __pfx_advance_sched+0x10/0x10 [ 228.969782][ C0] __hrtimer_run_queues+0x3bc/0xa10 [ 228.969814][ C0] hrtimer_interrupt+0x448/0x910 [ 228.969848][ C0] __sysvec_apic_timer_interrupt+0x102/0x430 [ 228.969873][ C0] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 228.969900][ C0] [ 228.969905][ C0] [ 228.969911][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 228.969931][ C0] RIP: 0010:lock_acquire+0x221/0x350 [ 228.969948][ C0] Code: ff ff ff e8 81 80 11 0a f7 44 24 08 00 02 00 00 0f 84 3a ff ff ff 65 48 8b 05 6b 7b 9d 11 48 3b 44 24 58 75 33 fb 48 83 c4 60 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 90 80 14 0a cc 48 8d 3d b8 3b 94 [ 228.969962][ C0] RSP: 0018:ffffc900035c7268 EFLAGS: 00000282 [ 228.969977][ C0] RAX: 8501a1d1d622bc00 RBX: 0000000000000000 RCX: 0000000080000001 [ 228.969989][ C0] RDX: 000000004a50d0bc RSI: ffffffff8e25a5b4 RDI: ffffffff8c2a9f80 [ 228.970001][ C0] RBP: ffffffff821fd5d9 R08: ffffffff821fd5d9 R09: 0000000000000000 [ 228.970013][ C0] R10: 0000000000000000 R11: ffffffff8e959c20 R12: 0000000000000002 [ 228.970024][ C0] R13: ffffffff8e959c20 R14: 0000000000000000 R15: 0000000000000246 [ 228.970037][ C0] ? __pte_offset_map+0x29/0x240 [ 228.970062][ C0] ? __pte_offset_map+0x29/0x240 [ 228.970090][ C0] __pte_offset_map+0x45/0x240 [ 228.970112][ C0] ? __pte_offset_map+0x29/0x240 [ 228.970134][ C0] ? pte_offset_map_rw_nolock+0x2d/0x160 [ 228.970159][ C0] pte_offset_map_rw_nolock+0x3b/0x160 [ 228.970185][ C0] copy_pmd_range+0x678/0x5880 [ 228.970211][ C0] ? stack_depot_save_flags+0x33/0x800 [ 228.970245][ C0] ? __lock_acquire+0x683/0x2cf0 [ 228.970270][ C0] ? __pfx_copy_pmd_range+0x10/0x10 [ 228.970297][ C0] ? copy_page_range+0x2a0/0x1250 [ 228.970322][ C0] copy_page_range+0xc26/0x1250 [ 228.970349][ C0] ? __pfx_copy_page_range+0x10/0x10 [ 228.970370][ C0] ? __rb_insert_augmented+0x4e4/0x6d0 [ 228.970397][ C0] ? __pfx_vma_interval_tree_augment_rotate+0x10/0x10 [ 228.970426][ C0] ? vma_interval_tree_augment_rotate+0x16e/0x1a0 [ 228.970455][ C0] dup_mmap+0xf21/0x1d90 [ 228.970489][ C0] ? __pfx_dup_mmap+0x10/0x10 [ 228.970512][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 228.970542][ C0] ? copy_mm+0x10f/0x480 [ 228.970567][ C0] ? copy_mm+0x10f/0x480 [ 228.970597][ C0] copy_mm+0x11a/0x480 [ 228.970621][ C0] ? copy_process+0xd3c/0x43f0 [ 228.970645][ C0] copy_process+0x1e99/0x43f0 [ 228.970673][ C0] ? copy_process+0xd3c/0x43f0 [ 228.970711][ C0] ? __pfx_copy_process+0x10/0x10 [ 228.970741][ C0] kernel_clone+0x2d7/0x940 [ 228.970768][ C0] ? __local_bh_enable_ip+0xd0/0x130 [ 228.970795][ C0] ? __pfx_kernel_clone+0x10/0x10 [ 228.970830][ C0] __x64_sys_clone+0x1b6/0x230 [ 228.970848][ C0] ? __pfx___x64_sys_clone+0x10/0x10 [ 228.970870][ C0] ? do_sock_setsockopt+0x185/0x1b0 [ 228.970892][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 228.970909][ C0] do_syscall_64+0x174/0x580 [ 228.970924][ C0] ? trace_irq_disable+0x3b/0x140 [ 228.970940][ C0] ? clear_bhb_loop+0x40/0x90 [ 228.970960][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 228.970977][ C0] RIP: 0033:0x7f3bc2635636 [ 228.971003][ C0] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 228.971017][ C0] RSP: 002b:00007ffd3c381ff0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 228.971034][ C0] RAX: ffffffffffffffda RBX: 00007ffd3c381ff8 RCX: 00007f3bc2635636 [ 228.971046][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 228.971057][ C0] RBP: 00007ffd3c3a2540 R08: 0000000000000000 R09: 0000000000000001 [ 228.971068][ C0] R10: 00007f3bc2561a50 R11: 0000000000000246 R12: 00007ffd3c382130 [ 228.971079][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 000055f9e6eb8ac0 [ 228.971098][ C0] [ 228.971106][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.839 msecs [ 228.971260][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g14653 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 229.536599][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 229.546608][ C1] rcu: RCU grace-period kthread stack dump: [ 229.552507][ C1] task:rcu_preempt state:R running task stack:28368 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 [ 229.566082][ C1] Call Trace: [ 229.569393][ C1] [ 229.572347][ C1] __schedule+0x17d9/0x56c0 [ 229.576894][ C1] ? __lock_acquire+0x683/0x2cf0 [ 229.581879][ C1] ? __pfx___schedule+0x10/0x10 [ 229.586778][ C1] ? schedule+0x90/0x2b0 [ 229.591063][ C1] schedule+0x164/0x2b0 [ 229.595261][ C1] schedule_timeout+0x152/0x2c0 [ 229.600143][ C1] ? __pfx_schedule_timeout+0x10/0x10 [ 229.605549][ C1] ? __pfx_process_timeout+0x10/0x10 [ 229.610875][ C1] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 229.617152][ C1] ? prepare_to_swait_event+0x322/0x350 [ 229.622757][ C1] rcu_gp_fqs_loop+0x30c/0x11f0 [ 229.627651][ C1] ? __pfx_rcu_watching_snap_save+0x10/0x10 [ 229.633581][ C1] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 229.638890][ C1] ? _raw_spin_unlock_irq+0x2e/0x50 [ 229.644126][ C1] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 229.649988][ C1] rcu_gp_kthread+0x9e/0x2b0 [ 229.654633][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 229.659856][ C1] ? __kthread_parkme+0x71/0x1f0 [ 229.664832][ C1] ? __kthread_parkme+0x196/0x1f0 [ 229.669914][ C1] kthread+0x388/0x470 [ 229.674011][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 229.679238][ C1] ? __pfx_kthread+0x10/0x10 [ 229.683883][ C1] ret_from_fork+0x514/0xb70 [ 229.688530][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 229.693674][ C1] ? __switch_to+0xc89/0x1420 [ 229.698395][ C1] ? __pfx_kthread+0x10/0x10 [ 229.703018][ C1] ret_from_fork_asm+0x1a/0x30 [ 229.707837][ C1] [ 229.710890][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 229.717231][ C1] CPU: 1 UID: 0 PID: 91 Comm: kworker/u8:5 Not tainted syzkaller #0 PREEMPT(full) [ 229.726542][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 229.736623][ C1] Workqueue: events_unbound toggle_allocation_gate [ 229.743164][ C1] RIP: 0010:smp_call_function_many_cond+0x10b5/0x14b0 [ 229.749956][ C1] Code: 1e 89 de 83 e6 01 31 ff e8 d8 1e 0c 00 83 e3 01 48 bb 00 00 00 00 00 fc ff df 75 07 e8 84 1a 0c 00 eb 37 f3 90 41 0f b6 04 1c <84> c0 75 10 41 f7 06 01 00 00 00 74 1e e8 69 1a 0c 00 eb e5 44 89 [ 229.769592][ C1] RSP: 0000:ffffc900015e7720 EFLAGS: 00000293 [ 229.775687][ C1] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff88801db9be00 [ 229.783686][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 229.791679][ C1] RBP: ffffc900015e7860 R08: ffffffff9032d2f7 R09: 1ffffffff2065a5e [ 229.799701][ C1] R10: dffffc0000000000 R11: fffffbfff2065a5f R12: 1ffff110170c85fd [ 229.807702][ C1] R13: ffff8880b873c448 R14: ffff8880b8642fe8 R15: 0000000000000000 [ 229.815700][ C1] FS: 0000000000000000(0000) GS:ffff888125326000(0000) knlGS:0000000000000000 [ 229.824653][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 229.831273][ C1] CR2: 00007f3bc25bee00 CR3: 000000000e746000 CR4: 00000000003526f0 [ 229.839267][ C1] Call Trace: [ 229.842569][ C1] [ 229.845532][ C1] ? smp_call_function_many_cond+0x8b1/0x14b0 [ 229.851635][ C1] ? __pfx_do_sync_core+0x10/0x10 [ 229.856734][ C1] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 229.863098][ C1] ? kmem_cache_alloc_bulk_noprof+0xb7/0x7b0 [ 229.869147][ C1] ? __pfx___text_poke+0x10/0x10 [ 229.874155][ C1] ? __pfx_do_sync_core+0x10/0x10 [ 229.879218][ C1] on_each_cpu_cond_mask+0x3f/0x80 [ 229.884381][ C1] smp_text_poke_batch_finish+0x5fd/0x1110 [ 229.890233][ C1] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 229.896257][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 229.901342][ C1] ? __pfx_smp_text_poke_batch_finish+0x10/0x10 [ 229.907629][ C1] ? arch_jump_label_transform_queue+0x97/0x110 [ 229.913905][ C1] ? __jump_label_update+0x347/0x370 [ 229.919220][ C1] arch_jump_label_transform_apply+0x1c/0x30 [ 229.925224][ C1] static_key_enable_cpuslocked+0x128/0x240 [ 229.931149][ C1] ? process_scheduled_works+0xa20/0x14e0 [ 229.936898][ C1] static_key_enable+0x1a/0x20 [ 229.941691][ C1] toggle_allocation_gate+0xab/0x290 [ 229.947005][ C1] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 229.952934][ C1] ? process_scheduled_works+0xa20/0x14e0 [ 229.958701][ C1] ? trace_workqueue_execute_start+0x7c/0x1d0 [ 229.964801][ C1] ? process_scheduled_works+0xa20/0x14e0 [ 229.970553][ C1] process_scheduled_works+0xa8e/0x14e0 [ 229.976159][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 229.982175][ C1] ? assign_work+0x3cf/0x5d0 [ 229.986796][ C1] worker_thread+0xa47/0xfb0 [ 229.991447][ C1] kthread+0x388/0x470 [ 229.995577][ C1] ? __pfx_worker_thread+0x10/0x10 [ 230.000901][ C1] ? __pfx_kthread+0x10/0x10 [ 230.005527][ C1] ret_from_fork+0x514/0xb70 [ 230.010153][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 230.015299][ C1] ? __switch_to+0xc89/0x1420 [ 230.020015][ C1] ? __pfx_kthread+0x10/0x10 [ 230.024637][ C1] ret_from_fork_asm+0x1a/0x30 [ 230.029446][ C1]