[ 71.275406][ T1423] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.282017][ T1423] ieee802154 phy1 wpan1: encryption failed: -22 Warning: Permanently added '10.128.1.22' (ED25519) to the list of known hosts. [ 76.393610][ T13] cfg80211: failed to load regulatory.db 2026/08/12 07:47:12 parsed 1 programs Setting up swapspace version 1, size = 127995904 bytes [ 80.406943][ T4486] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 82.246426][ T4539] chnl_net:caif_netlink_parms(): no params data found [ 82.280602][ T4539] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.288014][ T4539] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.296045][ T4539] device bridge_slave_0 entered promiscuous mode [ 82.303889][ T4539] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.311021][ T4539] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.319344][ T4539] device bridge_slave_1 entered promiscuous mode [ 82.338757][ T4539] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.349877][ T4539] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.376592][ T4539] team0: Port device team_slave_0 added [ 82.383905][ T4539] team0: Port device team_slave_1 added [ 82.399328][ T4539] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 82.406481][ T4539] 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. [ 82.432691][ T4539] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 82.444695][ T4539] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 82.451675][ T4539] 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. [ 82.477945][ T4539] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 82.513768][ T4539] device hsr_slave_0 entered promiscuous mode [ 82.520523][ T4539] device hsr_slave_1 entered promiscuous mode [ 83.088612][ T4539] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 83.105244][ T4539] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.134072][ T4539] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.152438][ T4539] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.183043][ T4539] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.190135][ T4539] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.197605][ T4539] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.204718][ T4539] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.252886][ T4539] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.282594][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.304116][ T4309] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.312308][ T4309] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.320889][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 83.346599][ T4539] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.363015][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 83.383231][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.403220][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.410310][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.434308][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.452011][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.471776][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.478942][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.524206][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 83.543353][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 83.563702][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 83.574158][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.584236][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 83.593355][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.603304][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.628013][ T4539] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 83.638717][ T4539] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 83.650719][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 83.672111][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.692905][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 83.713759][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.727887][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 83.870682][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 83.879040][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 83.892262][ T4539] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.913306][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 83.922880][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 83.946357][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 83.955407][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 83.964860][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 83.973108][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 83.983443][ T4539] device veth0_vlan entered promiscuous mode [ 84.005138][ T4539] device veth1_vlan entered promiscuous mode [ 84.029918][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 84.039467][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 84.047898][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 84.057159][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 84.067843][ T4539] device veth0_macvtap entered promiscuous mode [ 84.081048][ T4539] device veth1_macvtap entered promiscuous mode [ 84.099097][ T4539] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.108743][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 84.118899][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 84.128257][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 84.138680][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 84.152630][ T4539] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 84.173729][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 84.221026][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 84.232467][ T4539] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.241194][ T4539] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.250440][ T4539] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.259508][ T4539] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.111491][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.119336][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.154240][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.167135][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.183606][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 86.192734][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 86.690111][ T1258] ODEBUG: Out of memory. ODEBUG disabled [ 86.810818][ T1258] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/08/12 07:47:22 executed programs: 0 [ 87.569019][ T4763] chnl_net:caif_netlink_parms(): no params data found [ 87.625838][ T4763] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.634173][ T4763] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.643586][ T4763] device bridge_slave_0 entered promiscuous mode [ 87.653332][ T4763] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.660511][ T4763] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.670268][ T4763] device bridge_slave_1 entered promiscuous mode [ 87.700083][ T4763] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 87.714904][ T4763] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 87.746843][ T4763] team0: Port device team_slave_0 added [ 87.756880][ T4763] team0: Port device team_slave_1 added [ 87.781177][ T4763] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 87.789455][ T4763] 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. [ 87.818076][ T4763] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 87.831248][ T4763] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 87.840939][ T4763] 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. [ 87.869364][ T4763] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 87.903742][ T4763] device hsr_slave_0 entered promiscuous mode [ 87.910674][ T4763] device hsr_slave_1 entered promiscuous mode [ 87.917636][ T4763] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 87.925497][ T4763] Cannot create hsr debugfs directory [ 88.666472][ T1258] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 88.708591][ T1258] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 88.768326][ T1258] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 89.512457][ T4888] Bluetooth: hci0: command 0x0409 tx timeout [ 89.671187][ T4763] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 89.680516][ T4763] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 89.689353][ T4763] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 89.700958][ T4763] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 89.757390][ T4763] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.769350][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 89.778154][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 89.789123][ T4763] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.815678][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 89.824333][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 89.834785][ T4309] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.842200][ T4309] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.850863][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 89.879106][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 89.888634][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 89.897656][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.904766][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.916971][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 89.926261][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 89.956339][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 89.965912][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 89.974693][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 89.984919][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 89.994120][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 90.004741][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 90.014011][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 90.040820][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 90.050011][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 90.060056][ T4763] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 90.148158][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 90.155809][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 90.166900][ T4763] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.184122][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 90.193242][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 90.218996][ T1258] device hsr_slave_0 left promiscuous mode [ 90.225847][ T1258] device hsr_slave_1 left promiscuous mode [ 90.233602][ T1258] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 90.241105][ T1258] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 90.250106][ T1258] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 90.257945][ T1258] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 90.265802][ T1258] device bridge_slave_1 left promiscuous mode [ 90.272685][ T1258] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.280916][ T1258] device bridge_slave_0 left promiscuous mode [ 90.287437][ T1258] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.297802][ T1258] device veth1_macvtap left promiscuous mode [ 90.303994][ T1258] device veth0_macvtap left promiscuous mode [ 90.310018][ T1258] device veth1_vlan left promiscuous mode [ 90.316109][ T1258] device veth0_vlan left promiscuous mode [ 90.427613][ T1258] team0 (unregistering): Port device team_slave_1 removed [ 90.439948][ T1258] team0 (unregistering): Port device team_slave_0 removed [ 90.450870][ T1258] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 90.464474][ T1258] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 90.505606][ T1258] bond0 (unregistering): Released all slaves [ 90.563492][ T4763] device veth0_vlan entered promiscuous mode [ 90.569934][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 90.578870][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 90.589353][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 90.597561][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 90.608433][ T4763] device veth1_vlan entered promiscuous mode [ 90.638509][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 90.647463][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 90.655847][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 90.664636][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 90.676719][ T4763] device veth0_macvtap entered promiscuous mode [ 90.687309][ T4763] device veth1_macvtap entered promiscuous mode [ 90.704808][ T4763] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 90.713652][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 90.722298][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 90.730429][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 90.739764][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 90.751220][ T4763] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 90.759700][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 90.768480][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 90.778578][ T4763] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.787879][ T4763] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.797503][ T4763] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.806542][ T4763] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.865532][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.875165][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.886084][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 90.905039][ T4309] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.913175][ T4309] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.920874][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 91.622211][ T4890] Bluetooth: hci0: command 0x041b tx timeout [ 93.671513][ T4890] Bluetooth: hci0: command 0x040f tx timeout [ 95.771573][ T4890] Bluetooth: hci0: command 0x0419 tx timeout [ 108.021532][ T4890] Bluetooth: hci1: command 0x0409 tx timeout [ 110.071508][ T4890] Bluetooth: hci1: command 0x041b tx timeout [ 112.171548][ T4890] Bluetooth: hci1: command 0x040f tx timeout [ 114.271550][ T1108] Bluetooth: hci1: command 0x0419 tx timeout [ 195.971324][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 195.978446][ C1] rcu: 0-...!: (1 GPs behind) idle=ae7/1/0x4000000000000000 softirq=8861/8862 fqs=466 [ 195.988846][ C1] (detected by 1, t=10502 jiffies, g=9981, q=323) [ 195.995373][ C1] Sending NMI from CPU 1 to CPUs 0: [ 196.000593][ C0] NMI backtrace for cpu 0 [ 196.000609][ C0] CPU: 0 PID: 4916 Comm: syz.0.17 Not tainted syzkaller #0 [ 196.000623][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 196.000640][ C0] RIP: 0010:enqueue_hrtimer+0x1a8/0x370 [ 196.000672][ C0] Code: 04 20 84 c0 0f 85 ba 00 00 00 c6 43 38 01 49 83 c6 50 4c 89 f7 48 89 de e8 85 96 a2 02 0f b6 c0 5b 41 5c 41 5d 41 5e 41 5f 5d e8 e2 1b 10 00 0f 0b e9 4c ff ff ff e8 d6 1b 10 00 0f 0b e9 9d [ 196.000686][ C0] RSP: 0018:ffffc90000007d58 EFLAGS: 00000096 [ 196.000698][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 196.000706][ C0] RDX: 0000000000000018 RSI: ffff8880b902a390 RDI: ffff888020578b40 [ 196.000715][ C0] RBP: ffffc90000007ec0 R08: ffff888020578b57 R09: ffff888020578b40 [ 196.000724][ C0] R10: dffffc0000000000 R11: ffffed10040af16b R12: ffff8880b902a340 [ 196.000733][ C0] R13: ffff888020578b40 R14: ffff8880b902a398 R15: dffffc0000000000 [ 196.000742][ C0] FS: 00007f2390dc86c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 196.000754][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 196.000762][ C0] CR2: 0000200000000600 CR3: 0000000074639000 CR4: 00000000003506f0 [ 196.000774][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 196.000781][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 196.000789][ C0] Call Trace: [ 196.000795][ C0] [ 196.000799][ C0] __hrtimer_run_queues+0x5ed/0xb60 [ 196.000815][ C0] ? ktime_get_update_offsets_now+0x95/0x3e0 [ 196.000843][ C0] ? hrtimer_interrupt+0x8b0/0x8b0 [ 196.000861][ C0] hrtimer_interrupt+0x397/0x8b0 [ 196.000884][ C0] __sysvec_apic_timer_interrupt+0x137/0x4a0 [ 196.000899][ C0] sysvec_apic_timer_interrupt+0x9b/0xc0 [ 196.000915][ C0] [ 196.000919][ C0] [ 196.000923][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 196.000937][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0xbc/0x120 [ 196.000951][ C0] Code: c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 41 c6 04 07 f8 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 1f c1 88 f7 65 8b 05 90 e8 38 76 85 c0 74 3c 48 c7 04 24 0e 36 [ 196.000960][ C0] RSP: 0018:ffffc900031bed40 EFLAGS: 00000206 [ 196.000971][ C0] RAX: dffffc0000000004 RBX: 0000000000000a02 RCX: 7e1f30b8f73f2e00 [ 196.000979][ C0] RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: 0000000000000001 [ 196.000988][ C0] RBP: ffffc900031bedd0 R08: ffffffff901ee18f R09: 1ffffffff203dc31 [ 196.000997][ C0] R10: dffffc0000000000 R11: fffffbfff203dc32 R12: dffffc0000000000 [ 196.001006][ C0] R13: 0000000000000000 R14: ffff888020578ae8 R15: 1ffff92000637da8 [ 196.001022][ C0] ? _raw_spin_unlock+0x40/0x40 [ 196.001037][ C0] taprio_change+0x4398/0x52d0 [ 196.001062][ C0] ? taprio_destroy+0x490/0x490 [ 196.001073][ C0] ? memset+0x1e/0x40 [ 196.001092][ C0] ? memset+0x1e/0x40 [ 196.001105][ C0] ? fifo_init+0x3f6/0x6d0 [ 196.001121][ C0] ? qdisc_alloc+0x803/0xae0 [ 196.001135][ C0] ? mutex_is_locked+0xe/0x40 [ 196.001156][ C0] ? taprio_peek+0x560/0x560 [ 196.001168][ C0] qdisc_create+0x7e4/0x11a0 [ 196.001185][ C0] ? qdisc_notify+0x360/0x360 [ 196.001197][ C0] ? apparmor_capable+0x12c/0x190 [ 196.001216][ C0] tc_modify_qdisc+0xae1/0x17d0 [ 196.001236][ C0] ? rcu_lock_release+0x20/0x20 [ 196.001256][ C0] ? rcu_lock_release+0x20/0x20 [ 196.001267][ C0] rtnetlink_rcv_msg+0x7f1/0xf10 [ 196.001300][ C0] ? lock_chain_count+0x20/0x20 [ 196.001314][ C0] ? rtnetlink_bind+0x80/0x80 [ 196.001327][ C0] ? __local_bh_enable_ip+0x136/0x1c0 [ 196.001339][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 196.001350][ C0] ? __local_bh_enable_ip+0x136/0x1c0 [ 196.001359][ C0] ? _local_bh_enable+0xa0/0xa0 [ 196.001372][ C0] ? __dev_queue_xmit+0x1b64/0x2e50 [ 196.001392][ C0] ? dev_queue_xmit+0x20/0x20 [ 196.001406][ C0] ? memcpy+0x3c/0x60 [ 196.001417][ C0] ? __copy_skb_header+0x3ba/0x4f0 [ 196.001434][ C0] netlink_rcv_skb+0x1e9/0x430 [ 196.001449][ C0] ? rtnetlink_bind+0x80/0x80 [ 196.001462][ C0] ? netlink_ack+0xb10/0xb10 [ 196.001483][ C0] netlink_unicast+0x78f/0x940 [ 196.001501][ C0] netlink_sendmsg+0x8ba/0xbe0 [ 196.001518][ C0] ? netlink_getsockopt+0x570/0x570 [ 196.001531][ C0] ? aa_sock_msg_perm+0x94/0x150 [ 196.001544][ C0] ? apparmor_socket_sendmsg+0x88/0x230 [ 196.001556][ C0] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 196.001570][ C0] ? security_socket_sendmsg+0x7c/0xa0 [ 196.001584][ C0] ? netlink_getsockopt+0x570/0x570 [ 196.001598][ C0] ____sys_sendmsg+0x5be/0x8f0 [ 196.001615][ C0] ? __sys_sendmsg_sock+0x30/0x30 [ 196.001632][ C0] ? import_iovec+0x6f/0xa0 [ 196.001647][ C0] ___sys_sendmsg+0x236/0x2e0 [ 196.001663][ C0] ? __sys_sendmsg+0x290/0x290 [ 196.001691][ C0] __se_sys_sendmsg+0x1b7/0x2a0 [ 196.001705][ C0] ? __x64_sys_sendmsg+0x80/0x80 [ 196.001718][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 196.001738][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 196.001752][ C0] do_syscall_64+0x4c/0xa0 [ 196.001763][ C0] ? clear_bhb_loop+0x30/0x80 [ 196.001775][ C0] ? clear_bhb_loop+0x30/0x80 [ 196.001787][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 196.001800][ C0] RIP: 0033:0x7f2391764ef9 [ 196.001835][ C0] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 196.001845][ C0] RSP: 002b:00007f2390dc8028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 196.001857][ C0] RAX: ffffffffffffffda RBX: 00007f23919cffa0 RCX: 00007f2391764ef9 [ 196.001867][ C0] RDX: 0000000000000000 RSI: 00002000000007c0 RDI: 0000000000000004 [ 196.001874][ C0] RBP: 00007f23917f9ee0 R08: 0000000000000000 R09: 0000000000000000 [ 196.001882][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 196.001889][ C0] R13: 00007f23919d0038 R14: 00007f23919cffa0 R15: 00007fffafca2108 [ 196.001905][ C0] [ 196.002573][ C1] rcu: rcu_preempt kthread starved for 8170 jiffies! g9981 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 196.589229][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 196.599280][ C1] rcu: RCU grace-period kthread stack dump: [ 196.605179][ C1] task:rcu_preempt state:R running task stack:27872 pid: 15 ppid: 2 flags:0x00004000 [ 196.615979][ C1] Call Trace: [ 196.619251][ C1] [ 196.622207][ C1] __schedule+0x11c3/0x4350 [ 196.626972][ C1] ? _raw_spin_lock_irqsave+0x8b/0x100 [ 196.632431][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 196.637624][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 196.643507][ C1] ? _raw_spin_unlock+0x40/0x40 [ 196.648347][ C1] ? rcu_is_watching+0x11/0xa0 [ 196.653102][ C1] ? release_firmware_map_entry+0x190/0x190 [ 196.659090][ C1] schedule+0x11b/0x1e0 [ 196.663262][ C1] schedule_timeout+0x184/0x2d0 [ 196.668110][ C1] ? console_conditional_schedule+0x40/0x40 [ 196.673995][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 196.679882][ C1] ? update_process_times+0x200/0x200 [ 196.685346][ C1] ? prepare_to_swait_event+0x33d/0x360 [ 196.690892][ C1] rcu_gp_fqs_loop+0x2be/0x11f0 [ 196.695745][ C1] ? dyntick_save_progress_counter+0x230/0x230 [ 196.701901][ C1] ? rcu_gp_init+0x10f0/0x10f0 [ 196.706662][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 196.711850][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 196.717041][ C1] rcu_gp_kthread+0x9a/0x370 [ 196.721631][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 196.726843][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 196.732869][ C1] ? __kthread_parkme+0x14e/0x1b0 [ 196.737931][ C1] kthread+0x42e/0x520 [ 196.742011][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 196.747120][ C1] ? kthread_blkcg+0xd0/0xd0 [ 196.751896][ C1] ret_from_fork+0x1f/0x30 [ 196.756324][ C1] [ 196.759350][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 196.765663][ C1] NMI backtrace for cpu 1 [ 196.769977][ C1] CPU: 1 PID: 4309 Comm: kworker/u4:6 Not tainted syzkaller #0 [ 196.777625][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 196.787768][ C1] Workqueue: writeback wb_workfn (flush-8:0) [ 196.793763][ C1] Call Trace: [ 196.797041][ C1] [ 196.799877][ C1] dump_stack_lvl+0x188/0x250 [ 196.804555][ C1] ? show_regs_print_info+0x20/0x20 [ 196.809787][ C1] ? load_image+0x410/0x410 [ 196.814301][ C1] nmi_cpu_backtrace+0x3a2/0x3d0 [ 196.819268][ C1] ? nmi_trigger_cpumask_backtrace+0x280/0x280 [ 196.825503][ C1] ? _printk+0xda/0x130 [ 196.829745][ C1] ? cpu_online+0x1d/0x30 [ 196.834070][ C1] ? load_image+0x410/0x410 [ 196.838570][ C1] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 196.844632][ C1] nmi_trigger_cpumask_backtrace+0x163/0x280 [ 196.850618][ C1] rcu_check_gp_kthread_starvation+0x1cd/0x250 [ 196.856771][ C1] print_other_cpu_stall+0x1110/0x1270 [ 196.862232][ C1] ? print_cpu_stall+0x5f0/0x5f0 [ 196.867183][ C1] ? timekeeping_advance+0x7f6/0xac0 [ 196.872466][ C1] ? __lock_acquire+0x7b50/0x7b50 [ 196.877490][ C1] rcu_sched_clock_irq+0x845/0x1120 [ 196.882684][ C1] ? rcutree_dead_cpu+0x20/0x20 [ 196.887541][ C1] ? hrtimer_run_queues+0x162/0x400 [ 196.892731][ C1] ? account_process_tick+0x22a/0x3a0 [ 196.898096][ C1] update_process_times+0x193/0x200 [ 196.903385][ C1] tick_sched_timer+0x37d/0x560 [ 196.908246][ C1] ? tick_setup_sched_timer+0x2b0/0x2b0 [ 196.913793][ C1] __hrtimer_run_queues+0x4b0/0xb60 [ 196.919169][ C1] ? ktime_get_update_offsets_now+0x95/0x3e0 [ 196.925167][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 196.930496][ C1] ? ktime_get_update_offsets_now+0x3ce/0x3e0 [ 196.936580][ C1] hrtimer_interrupt+0x397/0x8b0 [ 196.941535][ C1] __sysvec_apic_timer_interrupt+0x137/0x4a0 [ 196.947511][ C1] sysvec_apic_timer_interrupt+0x9b/0xc0 [ 196.953138][ C1] [ 196.956060][ C1] [ 196.958980][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 196.964968][ C1] RIP: 0010:smp_call_function_many_cond+0xba3/0xd80 [ 196.971560][ C1] Code: 0f b6 44 05 00 84 c0 0f 85 9a 00 00 00 41 8b 1e 89 de 83 e6 01 31 ff e8 fb 73 0b 00 83 e3 01 75 07 e8 91 70 0b 00 eb 42 f3 90 <48> b8 00 00 00 00 00 fc ff df 41 0f b6 44 05 00 84 c0 75 10 41 f7 [ 196.991163][ C1] RSP: 0018:ffffc900031de8a0 EFLAGS: 00000293 [ 196.997339][ C1] RAX: ffffffff816d8c45 RBX: 0000000000000001 RCX: ffff888020efd940 [ 197.005309][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 197.013467][ C1] RBP: ffffc900031de9e0 R08: ffff8880b903b407 R09: 1ffff11017207680 [ 197.021454][ C1] R10: dffffc0000000000 R11: ffffed1017207681 R12: ffff8880b913b3c0 [ 197.029442][ C1] R13: 1ffff11017208509 R14: ffff8880b9042848 R15: 0000000000000000 [ 197.037427][ C1] ? smp_call_function_many_cond+0xbc5/0xd80 [ 197.043514][ C1] ? native_flush_tlb_multi+0xd0/0xd0 [ 197.048897][ C1] ? flush_tlb_func+0x5b0/0x5b0 [ 197.053743][ C1] ? smp_call_function_many+0x30/0x30 [ 197.059111][ C1] ? ext4_writepages+0x124a/0x2d40 [ 197.064225][ C1] ? rcu_is_watching+0x11/0xa0 [ 197.068988][ C1] ? flush_tlb_func+0x5b0/0x5b0 [ 197.073828][ C1] ? native_flush_tlb_multi+0xd0/0xd0 [ 197.079282][ C1] on_each_cpu_cond_mask+0x3b/0x80 [ 197.084387][ C1] flush_tlb_mm_range+0x363/0x570 [ 197.089411][ C1] ? flush_tlb_multi+0x50/0x50 [ 197.094211][ C1] ptep_clear_flush+0x112/0x140 [ 197.099081][ C1] page_mkclean_one+0x1eb/0x3e0 [ 197.103944][ C1] ? page_mkclean+0x400/0x400 [ 197.108646][ C1] ? __might_sleep+0xf0/0xf0 [ 197.113251][ C1] ? vma_address+0x254/0x460 [ 197.117836][ C1] ? page_mkclean+0x400/0x400 [ 197.122516][ C1] rmap_walk_file+0x407/0x610 [ 197.127200][ C1] page_mkclean+0x2f5/0x400 [ 197.131710][ C1] ? rmap_walk+0x170/0x170 [ 197.136121][ C1] ? page_mkclean+0x400/0x400 [ 197.140785][ C1] ? page_mkclean_one+0x3e0/0x3e0 [ 197.145810][ C1] ? page_mapping+0x30e/0x440 [ 197.150672][ C1] clear_page_dirty_for_io+0x3f9/0x9f0 [ 197.156152][ C1] ? wait_on_page_writeback+0x180/0x180 [ 197.161878][ C1] ? ext4_issue_zeroout+0x250/0x250 [ 197.167085][ C1] mpage_submit_page+0x8a/0x210 [ 197.171938][ C1] ext4_writepages+0x1970/0x2d40 [ 197.176893][ C1] ? ext4_readpage+0x2e0/0x2e0 [ 197.181822][ C1] ? mark_lock+0x94/0x320 [ 197.186170][ C1] ? writeback_sb_inodes+0x433/0x1750 [ 197.191543][ C1] ? ext4_readpage+0x2e0/0x2e0 [ 197.196300][ C1] do_writepages+0x493/0x700 [ 197.200907][ C1] ? __writepage+0x130/0x130 [ 197.205487][ C1] ? writeback_sb_inodes+0x6b7/0x1750 [ 197.210855][ C1] ? __lock_acquire+0x7b50/0x7b50 [ 197.215882][ C1] ? do_raw_spin_lock+0x128/0x2f0 [ 197.220905][ C1] __writeback_single_inode+0x153/0xda0 [ 197.226450][ C1] writeback_sb_inodes+0xaaa/0x1750 [ 197.231664][ C1] ? queue_io+0x530/0x530 [ 197.236076][ C1] ? __rwlock_init+0x140/0x140 [ 197.240940][ C1] __writeback_inodes_wb+0x12a/0x3f0 [ 197.246225][ C1] wb_writeback+0x45e/0xbc0 [ 197.250730][ C1] ? rcu_lock_release+0x20/0x20 [ 197.255658][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 197.261644][ C1] ? __lock_acquire+0x7b50/0x7b50 [ 197.266664][ C1] ? cpumask_next+0xb3/0xd0 [ 197.271171][ C1] wb_workfn+0xb15/0xf20 [ 197.275430][ C1] ? inode_wait_for_writeback+0x220/0x220 [ 197.281154][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 197.287137][ C1] ? __lock_acquire+0x7b50/0x7b50 [ 197.292156][ C1] ? read_lock_is_recursive+0x10/0x10 [ 197.297543][ C1] ? __schedule+0x11cb/0x4350 [ 197.302215][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 197.307413][ C1] process_one_work+0x867/0xff0 [ 197.312271][ C1] ? worker_detach_from_pool+0x240/0x240 [ 197.317901][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 197.323190][ C1] ? _raw_spin_lock_irq+0xb7/0xf0 [ 197.328213][ C1] ? _raw_spin_lock_irqsave+0x100/0x100 [ 197.333772][ C1] ? wq_worker_running+0x97/0x170 [ 197.338806][ C1] worker_thread+0xad7/0x12a0 [ 197.343496][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 197.349392][ C1] kthread+0x42e/0x520 [ 197.353453][ C1] ? rcu_lock_release+0x20/0x20 [ 197.358298][ C1] ? kthread_blkcg+0xd0/0xd0 [ 197.362902][ C1] ret_from_fork+0x1f/0x30 [ 197.367411][ C1]