Warning: Permanently added '10.128.0.89' (ED25519) to the list of known hosts. 2025/12/10 20:47:02 parsed 1 programs [ 93.442794][ T4632] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 95.082791][ T4340] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.097139][ T4340] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 95.107541][ T302] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 95.116949][ T302] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.125994][ T302] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 95.135700][ T4340] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 95.794352][ T4668] chnl_net:caif_netlink_parms(): no params data found [ 95.853828][ T4668] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.862379][ T4668] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.879252][ T4668] device bridge_slave_0 entered promiscuous mode [ 95.889343][ T4668] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.896654][ T4668] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.906239][ T4668] device bridge_slave_1 entered promiscuous mode [ 95.942043][ T4668] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.954178][ T4668] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 95.984989][ T4668] team0: Port device team_slave_0 added [ 95.994998][ T4668] team0: Port device team_slave_1 added [ 96.020152][ T4668] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.027311][ T4668] 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. [ 96.055290][ T4668] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.068804][ T4668] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.076166][ T4668] 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. [ 96.102925][ T4668] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.142512][ T4668] device hsr_slave_0 entered promiscuous mode [ 96.151294][ T4668] device hsr_slave_1 entered promiscuous mode [ 96.866372][ T4668] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 96.878502][ T4668] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 96.904331][ T4668] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 96.914150][ T4668] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 96.995177][ T4668] 8021q: adding VLAN 0 to HW filter on device bond0 [ 97.031859][ T4340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 97.042343][ T4340] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 97.053575][ T4668] 8021q: adding VLAN 0 to HW filter on device team0 [ 97.067894][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 97.077042][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 97.085993][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.093376][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.104571][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 97.114723][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 97.124924][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.132442][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.149122][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 97.158077][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 97.167595][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 97.203608][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 97.213969][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 97.222776][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 97.232169][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 97.241856][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 97.250223][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 97.259094][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 97.270555][ T4668] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 97.282783][ T4668] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 97.293538][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 97.302540][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 97.449761][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 97.457270][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 97.498402][ T4668] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 97.518115][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 97.526938][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 97.547683][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 97.556888][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 97.568671][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 97.578541][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 97.588435][ T4668] device veth0_vlan entered promiscuous mode [ 97.611882][ T4668] device veth1_vlan entered promiscuous mode [ 97.633892][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 97.644376][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 97.653691][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 97.663867][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 97.674973][ T4668] device veth0_macvtap entered promiscuous mode [ 97.687450][ T4668] device veth1_macvtap entered promiscuous mode [ 97.733844][ T4668] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 97.741545][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 97.754552][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 97.766204][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 97.777004][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 97.790150][ T4668] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 97.806081][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 97.815331][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 97.827416][ T4668] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.838783][ T4668] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.849126][ T4668] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.858423][ T4668] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.799514][ T144] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/12/10 20:47:11 executed programs: 0 [ 100.267413][ T4855] chnl_net:caif_netlink_parms(): no params data found [ 100.333456][ T4855] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.341118][ T4855] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.352045][ T4855] device bridge_slave_0 entered promiscuous mode [ 100.361173][ T4855] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.372006][ T4855] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.382156][ T4855] device bridge_slave_1 entered promiscuous mode [ 100.413619][ T4855] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 100.427619][ T4855] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 100.459561][ T4855] team0: Port device team_slave_0 added [ 100.469404][ T4855] team0: Port device team_slave_1 added [ 100.493284][ T4855] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 100.501016][ T4855] 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. [ 100.530023][ T4855] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 100.543904][ T4855] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 100.553145][ T4855] 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. [ 100.581414][ T4855] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 100.618252][ T4855] device hsr_slave_0 entered promiscuous mode [ 100.625381][ T4855] device hsr_slave_1 entered promiscuous mode [ 100.632416][ T4855] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 100.641026][ T4855] Cannot create hsr debugfs directory [ 102.158530][ T4253] Bluetooth: hci0: command 0x0409 tx timeout [ 103.192926][ T144] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 103.233723][ T144] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 103.285055][ T144] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.115294][ T4855] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 104.125389][ T4855] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 104.136336][ T4855] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 104.146892][ T4855] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 104.225089][ T4855] 8021q: adding VLAN 0 to HW filter on device bond0 [ 104.238623][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 104.246587][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 104.254430][ T4309] Bluetooth: hci0: command 0x041b tx timeout [ 104.257490][ T4855] 8021q: adding VLAN 0 to HW filter on device team0 [ 104.290688][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 104.300695][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 104.311443][ T1224] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.318970][ T1224] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.327216][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 104.351567][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 104.361168][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 104.371114][ T1224] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.379757][ T1224] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.408275][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 104.421916][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 104.433284][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 104.442191][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 104.452964][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 104.482109][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 104.492094][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 104.502907][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 104.512559][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 104.522684][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 104.531782][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 104.542732][ T4855] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 104.556642][ T144] device hsr_slave_0 left promiscuous mode [ 104.563256][ T144] device hsr_slave_1 left promiscuous mode [ 104.571275][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 104.578985][ T144] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 104.586719][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 104.594786][ T144] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 104.603294][ T144] device bridge_slave_1 left promiscuous mode [ 104.610124][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.619304][ T144] device bridge_slave_0 left promiscuous mode [ 104.625855][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.637677][ T144] device veth1_macvtap left promiscuous mode [ 104.644459][ T144] device veth0_macvtap left promiscuous mode [ 104.651312][ T144] device veth1_vlan left promiscuous mode [ 104.657306][ T144] device veth0_vlan left promiscuous mode [ 104.786157][ T144] team0 (unregistering): Port device team_slave_1 removed [ 104.798632][ T144] team0 (unregistering): Port device team_slave_0 removed [ 104.812261][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 104.829628][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 104.876032][ T144] bond0 (unregistering): Released all slaves [ 104.996563][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 105.005109][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 105.016966][ T4855] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.047696][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 105.057464][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 105.074922][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 105.083974][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 105.095012][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 105.103444][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 105.118018][ T4855] device veth0_vlan entered promiscuous mode [ 105.132032][ T4855] device veth1_vlan entered promiscuous mode [ 105.160459][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 105.170555][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 105.179814][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 105.190155][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 105.201961][ T4855] device veth0_macvtap entered promiscuous mode [ 105.216151][ T4855] device veth1_macvtap entered promiscuous mode [ 105.234473][ T4855] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 105.243762][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 105.255218][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 105.265377][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 105.275968][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 105.288899][ T4855] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 105.296402][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 105.305687][ T1224] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 105.318691][ T4855] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.327479][ T4855] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.337463][ T4855] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.346528][ T4855] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.422129][ T4340] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 105.445738][ T4340] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 105.455474][ T1224] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 2025/12/10 20:47:17 executed programs: 2 [ 105.470470][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 105.479787][ T1224] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 105.499061][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 210.587683][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 210.594823][ C1] rcu: 0-...!: (0 ticks this GP) idle=f47/1/0x4000000000000000 softirq=9085/9085 fqs=39 [ 210.605589][ C1] (detected by 1, t=10502 jiffies, g=10837, q=158) [ 210.612196][ C1] Sending NMI from CPU 1 to CPUs 0: [ 210.617669][ C0] NMI backtrace for cpu 0 [ 210.617688][ C0] CPU: 0 PID: 5117 Comm: syz.0.16 Not tainted syzkaller #0 [ 210.617703][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 210.617720][ C0] RIP: 0010:__hrtimer_run_queues+0x43c/0xc40 [ 210.617757][ C0] Code: 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 99 7b 54 00 49 8b 06 48 89 44 24 60 48 8b 7c 24 40 48 8b b4 24 b8 00 00 00 7f 95 43 08 0f 1f 44 00 00 e8 d5 12 10 00 65 44 8b 35 15 5c 9a [ 210.617769][ C0] RSP: 0018:ffffc90000007d20 EFLAGS: 00000046 [ 210.617782][ C0] RAX: ffffffff8801fd90 RBX: 00000000fffffffd RCX: 0000000000000001 [ 210.617792][ C0] RDX: 0000000000010000 RSI: 0000000000000806 RDI: ffff8880b902a240 [ 210.617801][ C0] RBP: ffffc90000007e98 R08: dffffc0000000000 R09: fffffbfff1ad26b6 [ 210.617811][ C0] R10: fffffbfff1ad26b6 R11: 1ffffffff1ad26b5 R12: ffff8880b902a350 [ 210.617821][ C0] R13: 1ffff1101720546a R14: ffff88802130b368 R15: dffffc0000000000 [ 210.617832][ C0] FS: 00007ff8647c36c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 210.617845][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 210.617855][ C0] CR2: 0000200000000600 CR3: 000000002a660000 CR4: 00000000003506f0 [ 210.617868][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 210.617876][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 210.617885][ C0] Call Trace: [ 210.617891][ C0] [ 210.617908][ C0] ? taprio_free_sched_cb+0x190/0x190 [ 210.617928][ C0] ? hrtimer_interrupt+0x8d0/0x8d0 [ 210.617943][ C0] ? ktime_get_update_offsets_now+0x3ce/0x3e0 [ 210.617960][ C0] hrtimer_interrupt+0x3bb/0x8d0 [ 210.617985][ C0] __sysvec_apic_timer_interrupt+0x137/0x4a0 [ 210.617999][ C0] sysvec_apic_timer_interrupt+0x9b/0xc0 [ 210.618017][ C0] [ 210.618021][ C0] [ 210.618025][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 210.618041][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0xa5/0x100 [ 210.618056][ C0] Code: 74 05 e8 be 9a d2 f7 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 d6 22 a6 f7 65 8b 05 67 20 57 76 85 c0 74 3c 48 c7 04 24 0e 36 [ 210.618065][ C0] RSP: 0018:ffffc9000316f920 EFLAGS: 00000206 [ 210.618077][ C0] RAX: ac21cd8e6150a200 RBX: 0000000000000a06 RCX: ac21cd8e6150a200 [ 210.618087][ C0] RDX: dffffc0000000000 RSI: ffffffff8a0b1be0 RDI: 0000000000000001 [ 210.618097][ C0] RBP: ffffc9000316f9b0 R08: dffffc0000000000 R09: fffffbfff1ff5419 [ 210.618107][ C0] R10: fffffbfff1ff5419 R11: 1ffffffff1ff5418 R12: dffffc0000000000 [ 210.618117][ C0] R13: dffffc0000000000 R14: ffff8880b902a240 R15: 1ffff9200062df24 [ 210.618134][ C0] ? _raw_spin_unlock+0x40/0x40 [ 210.618147][ C0] ? ktime_get_update_offsets_now+0x3ce/0x3e0 [ 210.618163][ C0] clock_was_set+0x642/0x840 [ 210.618181][ C0] ? destroy_hrtimer_on_stack+0x20/0x20 [ 210.618194][ C0] ? memcpy+0x3c/0x60 [ 210.618209][ C0] ? timekeeping_update+0x3ec/0x460 [ 210.618227][ C0] timekeeping_inject_offset+0x578/0x620 [ 210.618241][ C0] ? do_adjtimex+0x418/0x9b0 [ 210.618252][ C0] ? timekeeping_warp_clock+0xc0/0xc0 [ 210.618268][ C0] ? add_device_randomness+0xbc/0x100 [ 210.618283][ C0] ? crng_reseed+0x1a0/0x1a0 [ 210.618297][ C0] ? security_capable+0x85/0xb0 [ 210.618312][ C0] do_adjtimex+0x418/0x9b0 [ 210.618327][ C0] ? random_get_entropy_fallback+0x60/0x60 [ 210.618340][ C0] ? __lock_acquire+0x7c60/0x7c60 [ 210.618355][ C0] ? do_futex+0xcde/0x1240 [ 210.618371][ C0] ? __might_fault+0xb3/0x110 [ 210.618386][ C0] ? _copy_from_user+0x111/0x170 [ 210.618400][ C0] __x64_sys_clock_adjtime+0x1f0/0x2a0 [ 210.618416][ C0] ? do_clock_adjtime+0x120/0x120 [ 210.618436][ C0] ? lock_chain_count+0x20/0x20 [ 210.618449][ C0] ? vtime_user_exit+0x2dc/0x400 [ 210.618464][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 210.618575][ C0] do_syscall_64+0x4c/0xa0 [ 210.618596][ C0] ? clear_bhb_loop+0x30/0x80 [ 210.618610][ C0] ? clear_bhb_loop+0x30/0x80 [ 210.618623][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 210.618637][ C0] RIP: 0033:0x7ff865553929 [ 210.618668][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 210.618679][ C0] RSP: 002b:00007ff8647c3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000131 [ 210.618694][ C0] RAX: ffffffffffffffda RBX: 00007ff86577afa0 RCX: 00007ff865553929 [ 210.618704][ C0] RDX: 0000000000000000 RSI: 0000200000000040 RDI: 0000000000000000 [ 210.618713][ C0] RBP: 00007ff8655d5b39 R08: 0000000000000000 R09: 0000000000000000 [ 210.618722][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 210.618729][ C0] R13: 0000000000000000 R14: 00007ff86577afa0 R15: 00007ffe67751598 [ 210.618746][ C0] [ 210.619668][ C1] rcu: rcu_preempt kthread starved for 10424 jiffies! g10837 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 211.121598][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 211.131937][ C1] rcu: RCU grace-period kthread stack dump: [ 211.137815][ C1] task:rcu_preempt state:R running task stack:28064 pid: 15 ppid: 2 flags:0x00004000 [ 211.148778][ C1] Call Trace: [ 211.152054][ C1] [ 211.154987][ C1] __schedule+0x11bb/0x4390 [ 211.159943][ C1] ? _raw_spin_lock_irqsave+0x7f/0xf0 [ 211.165415][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 211.171420][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 211.177396][ C1] ? _raw_spin_unlock+0x40/0x40 [ 211.182444][ C1] ? rcu_is_watching+0x11/0xa0 [ 211.187204][ C1] ? release_firmware_map_entry+0x190/0x190 [ 211.193288][ C1] schedule+0x11b/0x1e0 [ 211.197544][ C1] schedule_timeout+0x15c/0x280 [ 211.202580][ C1] ? console_conditional_schedule+0x40/0x40 [ 211.208549][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 211.214447][ C1] ? update_process_times+0x200/0x200 [ 211.219975][ C1] ? prepare_to_swait_event+0x331/0x350 [ 211.225791][ C1] rcu_gp_fqs_loop+0x29e/0x11b0 [ 211.231402][ C1] ? dyntick_save_progress_counter+0x230/0x230 [ 211.237756][ C1] ? rcu_gp_init+0x10e0/0x10e0 [ 211.243074][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 211.248314][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 211.253532][ C1] rcu_gp_kthread+0x98/0x350 [ 211.258308][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 211.263510][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 211.269856][ C1] ? __kthread_parkme+0x157/0x1b0 [ 211.275597][ C1] kthread+0x436/0x520 [ 211.279666][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 211.285267][ C1] ? kthread_blkcg+0xd0/0xd0 [ 211.289880][ C1] ret_from_fork+0x1f/0x30 [ 211.294939][ C1] [ 211.298288][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 211.304803][ C1] NMI backtrace for cpu 1 [ 211.309427][ C1] CPU: 1 PID: 4253 Comm: kworker/1:13 Not tainted syzkaller #0 [ 211.316976][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 211.327276][ C1] Workqueue: events fqdir_free_fn [ 211.332401][ C1] Call Trace: [ 211.335684][ C1] [ 211.338627][ C1] dump_stack_lvl+0x168/0x230 [ 211.343328][ C1] ? show_regs_print_info+0x20/0x20 [ 211.349044][ C1] ? load_image+0x3b0/0x3b0 [ 211.353663][ C1] ? irq_work_queue+0xbf/0x140 [ 211.358738][ C1] nmi_cpu_backtrace+0x397/0x3d0 [ 211.365560][ C1] ? nmi_trigger_cpumask_backtrace+0x280/0x280 [ 211.372178][ C1] ? _printk+0xcc/0x110 [ 211.376346][ C1] ? cpu_online+0x1d/0x30 [ 211.380798][ C1] ? load_image+0x3b0/0x3b0 [ 211.385407][ C1] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 211.391580][ C1] nmi_trigger_cpumask_backtrace+0x163/0x280 [ 211.397635][ C1] rcu_check_gp_kthread_starvation+0x1cd/0x250 [ 211.404529][ C1] print_other_cpu_stall+0x10c8/0x1220 [ 211.410329][ C1] ? print_cpu_stall+0x5f0/0x5f0 [ 211.415474][ C1] ? timekeeping_advance+0x7f6/0xac0 [ 211.420872][ C1] ? __lock_acquire+0x7c60/0x7c60 [ 211.426342][ C1] rcu_sched_clock_irq+0x831/0x1110 [ 211.431771][ C1] ? rcutree_dead_cpu+0x20/0x20 [ 211.436860][ C1] ? account_process_tick+0x227/0x3a0 [ 211.442435][ C1] update_process_times+0x193/0x200 [ 211.448062][ C1] tick_sched_timer+0x37d/0x560 [ 211.452940][ C1] __hrtimer_run_queues+0x4fe/0xc40 [ 211.458425][ C1] ? tick_setup_sched_timer+0x2c0/0x2c0 [ 211.464016][ C1] ? hrtimer_interrupt+0x8d0/0x8d0 [ 211.469141][ C1] ? ktime_get_update_offsets_now+0x3ce/0x3e0 [ 211.475403][ C1] hrtimer_interrupt+0x3bb/0x8d0 [ 211.481014][ C1] __sysvec_apic_timer_interrupt+0x137/0x4a0 [ 211.487981][ C1] sysvec_apic_timer_interrupt+0x9b/0xc0 [ 211.494325][ C1] [ 211.497252][ C1] [ 211.500275][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 211.506474][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x32/0x60 [ 211.512815][ C1] Code: a4 a3 8a 7e 65 8b 15 a5 a3 8a 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 34 16 00 00 00 74 2c 8b 91 10 16 00 00 <83> fa 02 75 21 48 8b 91 18 16 00 00 48 8b 32 48 8d 7e 01 8b 89 14 [ 211.532710][ C1] RSP: 0018:ffffc900030ffa38 EFLAGS: 00000246 [ 211.538892][ C1] RAX: ffffffff816c70d5 RBX: 0000000000000000 RCX: ffff8880281c9dc0 [ 211.547527][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 211.556344][ C1] RBP: ffffc900030ffb30 R08: dffffc0000000000 R09: ffffed1017207681 [ 211.565026][ C1] R10: ffffed1017207681 R11: 1ffff11017207680 R12: dffffc0000000000 [ 211.573301][ C1] R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff9200061ff4c [ 211.581376][ C1] ? smp_call_function_single+0x225/0x490 [ 211.587281][ C1] smp_call_function_single+0x225/0x490 [ 211.593094][ C1] ? rcu_rdp_is_offloaded+0x180/0x180 [ 211.598477][ C1] ? flush_smp_call_function_from_idle+0x230/0x230 [ 211.605149][ C1] ? rcu_rdp_is_offloaded+0x180/0x180 [ 211.610707][ C1] ? rcu_read_lock_bh_held+0xe0/0xe0 [ 211.616518][ C1] rcu_barrier+0x25d/0x4b0 [ 211.621117][ C1] ? cond_synchronize_rcu+0x20/0x20 [ 211.626670][ C1] ? read_lock_is_recursive+0x10/0x10 [ 211.632677][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 211.638858][ C1] ? _raw_spin_unlock+0x40/0x40 [ 211.644039][ C1] fqdir_free_fn+0x2f/0x130 [ 211.648762][ C1] process_one_work+0x863/0x1000 [ 211.654920][ C1] ? worker_detach_from_pool+0x240/0x240 [ 211.660775][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 211.666595][ C1] ? _raw_spin_lock_irq+0xab/0xe0 [ 211.672460][ C1] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 211.678560][ C1] ? wq_worker_running+0x97/0x170 [ 211.684476][ C1] worker_thread+0xaa8/0x12a0 [ 211.689810][ C1] kthread+0x436/0x520 [ 211.694285][ C1] ? rcu_lock_release+0x20/0x20 [ 211.699236][ C1] ? kthread_blkcg+0xd0/0xd0 [ 211.704086][ C1] ret_from_fork+0x1f/0x30 [ 211.708510][ C1]