[ 92.091637][ T808] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.189' (ED25519) to the list of known hosts. 2026/04/24 20:35:42 parsed 1 programs [ 100.788499][ T5852] cgroup: Unknown subsys name 'net' [ 100.891130][ T5852] cgroup: Unknown subsys name 'cpuset' [ 100.900500][ T5852] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 102.549896][ T5852] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 105.727592][ T5861] 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. [ 106.812219][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 106.821414][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 106.830876][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 106.841015][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 106.849644][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 108.040502][ T5904] chnl_net:caif_netlink_parms(): no params data found [ 108.126662][ T5904] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.134645][ T5904] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.142062][ T5904] bridge_slave_0: entered allmulticast mode [ 108.149357][ T5904] bridge_slave_0: entered promiscuous mode [ 108.158988][ T5904] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.166651][ T5904] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.174748][ T5904] bridge_slave_1: entered allmulticast mode [ 108.183090][ T5904] bridge_slave_1: entered promiscuous mode [ 108.216235][ T5904] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 108.228853][ T5904] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 108.257239][ T5904] team0: Port device team_slave_0 added [ 108.265023][ T5904] team0: Port device team_slave_1 added [ 108.288978][ T5904] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 108.295974][ T5904] 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. [ 108.322155][ T5904] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 108.334975][ T5904] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 108.342041][ T5904] 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. [ 108.368836][ T5904] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 108.445066][ T5904] hsr_slave_0: entered promiscuous mode [ 108.453997][ T5904] hsr_slave_1: entered promiscuous mode [ 108.618582][ T5904] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 108.632311][ T5904] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 108.641233][ T5904] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 108.651906][ T5904] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 108.660008][ T5904] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 108.671631][ T5904] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 108.679755][ T5904] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 108.690441][ T5904] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 108.719010][ T5904] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.726604][ T5904] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.735000][ T5904] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.742233][ T5904] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.800354][ T5904] 8021q: adding VLAN 0 to HW filter on device bond0 [ 108.817836][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.827045][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.844449][ T5904] 8021q: adding VLAN 0 to HW filter on device team0 [ 108.858750][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.865976][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.883382][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.890568][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 109.065743][ T5904] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 109.116877][ T5904] veth0_vlan: entered promiscuous mode [ 109.133898][ T5904] veth1_vlan: entered promiscuous mode [ 109.170105][ T5904] veth0_macvtap: entered promiscuous mode [ 109.181499][ T5904] veth1_macvtap: entered promiscuous mode [ 109.201403][ T5904] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 109.216431][ T5904] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 109.233269][ T36] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.242468][ T36] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.252430][ T36] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.265962][ T36] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.400656][ T36] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 109.463463][ T36] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 109.543030][ T36] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 109.569039][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 109.582679][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 109.628346][ T36] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 109.647085][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 109.655601][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/04/24 20:35:55 executed programs: 0 [ 111.151570][ T5161] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 111.161157][ T5161] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 111.169658][ T5161] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 111.179958][ T5161] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 111.188859][ T5161] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 111.340582][ T5957] chnl_net:caif_netlink_parms(): no params data found [ 111.410801][ T5957] bridge0: port 1(bridge_slave_0) entered blocking state [ 111.418201][ T5957] bridge0: port 1(bridge_slave_0) entered disabled state [ 111.425514][ T5957] bridge_slave_0: entered allmulticast mode [ 111.432919][ T5957] bridge_slave_0: entered promiscuous mode [ 111.442372][ T5957] bridge0: port 2(bridge_slave_1) entered blocking state [ 111.450988][ T5957] bridge0: port 2(bridge_slave_1) entered disabled state [ 111.458576][ T5957] bridge_slave_1: entered allmulticast mode [ 111.465783][ T5957] bridge_slave_1: entered promiscuous mode [ 111.496410][ T5957] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 111.508880][ T5957] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 111.540214][ T5957] team0: Port device team_slave_0 added [ 111.549239][ T5957] team0: Port device team_slave_1 added [ 111.573259][ T5957] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 111.580392][ T5957] 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. [ 111.606519][ T5957] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 111.620099][ T5957] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 111.627072][ T5957] 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. [ 111.653964][ T5957] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 111.698237][ T5957] hsr_slave_0: entered promiscuous mode [ 111.704709][ T5957] hsr_slave_1: entered promiscuous mode [ 111.711192][ T5957] debugfs: 'hsr0' already exists in 'hsr' [ 111.716999][ T5957] Cannot create hsr debugfs directory [ 112.563294][ T36] bridge_slave_1: left allmulticast mode [ 112.573103][ T36] bridge_slave_1: left promiscuous mode [ 112.580027][ T36] bridge0: port 2(bridge_slave_1) entered disabled state [ 112.592258][ T36] bridge_slave_0: left allmulticast mode [ 112.599261][ T36] bridge_slave_0: left promiscuous mode [ 112.605712][ T36] bridge0: port 1(bridge_slave_0) entered disabled state [ 112.792570][ T36] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 112.804205][ T36] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 112.814514][ T36] bond0 (unregistering): Released all slaves [ 112.925137][ T36] hsr_slave_0: left promiscuous mode [ 112.939351][ T36] hsr_slave_1: left promiscuous mode [ 112.945973][ T36] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 112.956388][ T36] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 112.966132][ T36] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 112.974024][ T36] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 112.992091][ T36] veth1_macvtap: left promiscuous mode [ 112.998486][ T36] veth0_macvtap: left promiscuous mode [ 113.004227][ T36] veth1_vlan: left promiscuous mode [ 113.010200][ T36] veth0_vlan: left promiscuous mode [ 113.218742][ T5161] Bluetooth: hci0: command tx timeout [ 113.395173][ T36] team0 (unregistering): Port device team_slave_1 removed [ 113.423782][ T36] team0 (unregistering): Port device team_slave_0 removed [ 113.589347][ T5505] 8021q: adding VLAN 0 to HW filter on device eth1 [ 113.898998][ T5957] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 113.913163][ T5957] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 113.926334][ T5957] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 113.941222][ T5957] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 113.958995][ T5957] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 113.973304][ T5957] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 113.981886][ T5957] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 113.994388][ T5957] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 114.475440][ T5957] 8021q: adding VLAN 0 to HW filter on device bond0 [ 114.520395][ T5957] 8021q: adding VLAN 0 to HW filter on device team0 [ 114.548089][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 114.555364][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 114.582515][ T57] bridge0: port 2(bridge_slave_1) entered blocking state [ 114.589841][ T57] bridge0: port 2(bridge_slave_1) entered forwarding state [ 115.089935][ T5957] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 115.192400][ T5957] veth0_vlan: entered promiscuous mode [ 115.222734][ T5957] veth1_vlan: entered promiscuous mode [ 115.274923][ T5957] veth0_macvtap: entered promiscuous mode [ 115.287187][ T5957] veth1_macvtap: entered promiscuous mode [ 115.287332][ T5161] Bluetooth: hci0: command tx timeout [ 115.320644][ T5957] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 115.337597][ T5957] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 115.355311][ T57] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.365919][ T57] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.396954][ T57] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.406997][ T57] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.524776][ T57] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 115.544709][ T57] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 115.596948][ T36] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 115.611200][ T36] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 220.757092][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 220.764250][ C1] rcu: 0-...!: (1 GPs behind) idle=7a14/1/0x4000000000000000 softirq=16083/16086 fqs=0 [ 220.774582][ C1] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5965/1:b..l [ 220.782630][ C1] rcu: (detected by 1, t=10505 jiffies, g=16153, q=230 ncpus=2) [ 220.790448][ C1] Sending NMI from CPU 1 to CPUs 0: [ 220.790484][ C0] NMI backtrace for cpu 0 [ 220.790498][ C0] CPU: 0 UID: 0 PID: 6028 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 220.790516][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 220.790525][ C0] RIP: 0010:rcu_is_watching+0x10/0xb0 [ 220.790549][ C0] Code: 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 41 57 41 56 53 65 ff 05 30 dc 95 11 3b 0c 0e 0a 89 c3 83 f8 08 73 65 49 bf 00 00 00 00 00 fc ff df [ 220.790561][ C0] RSP: 0018:ffffc90000007c68 EFLAGS: 00000007 [ 220.790577][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 220.790587][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9a7c1040 [ 220.790597][ C0] RBP: ffffffff84bc2fc3 R08: 0000000000000001 R09: 0000000000000000 [ 220.790607][ C0] R10: dffffc0000000000 R11: fffff52000000fac R12: 0000000000000000 [ 220.790617][ C0] R13: ffffffff9a7c1040 R14: 0000000000000000 R15: 0000000000000001 [ 220.790628][ C0] FS: 00007f57b8bb56c0(0000) GS:ffff888125213000(0000) knlGS:0000000000000000 [ 220.790641][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 220.790652][ C0] CR2: 00002000000012c0 CR3: 000000003318c000 CR4: 00000000003526f0 [ 220.790668][ C0] Call Trace: [ 220.790676][ C0] [ 220.790684][ C0] lock_acquire+0x5f/0x350 [ 220.790714][ C0] _raw_spin_lock_irqsave+0x40/0x60 [ 220.790734][ C0] ? debug_object_activate+0x83/0x580 [ 220.790758][ C0] debug_object_activate+0x83/0x580 [ 220.790783][ C0] enqueue_hrtimer+0xa9/0x2c0 [ 220.790803][ C0] __hrtimer_run_queues+0x4d2/0xa20 [ 220.790827][ C0] hrtimer_interrupt+0x44b/0x950 [ 220.790854][ C0] __sysvec_apic_timer_interrupt+0x102/0x430 [ 220.790873][ C0] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 220.790893][ C0] [ 220.790898][ C0] [ 220.790904][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 220.790921][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 [ 220.790940][ C0] Code: f7 e8 8d e4 e6 f5 f7 c3 00 02 00 00 74 05 e8 90 6f 12 f6 9c 58 a9 00 02 00 00 75 27 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 d4 66 d8 f5 65 8b 05 1d 43 85 07 85 c0 74 18 5b 41 5e e9 41 48 [ 220.790952][ C0] RSP: 0018:ffffc90003316ee8 EFLAGS: 00000206 [ 220.790966][ C0] RAX: 0000000000000002 RBX: 0000000000000282 RCX: 0000000080000202 [ 220.790976][ C0] RDX: 0000000000000002 RSI: ffffffff8dfd8f45 RDI: 0000000000000001 [ 220.790985][ C0] RBP: ffffc900033171d0 R08: ffffffff903386f7 R09: 1ffffffff20670de [ 220.790996][ C0] R10: dffffc0000000000 R11: fffffbfff20670df R12: ffff8880781e0290 [ 220.791007][ C0] R13: dffffc0000000000 R14: ffff8880781e02a8 R15: ffff8880781e02f8 [ 220.791026][ C0] taprio_change+0x30fe/0x3e50 [ 220.791051][ C0] ? __pfx_taprio_change+0x10/0x10 [ 220.791075][ C0] ? __pfx_smp_text_poke_batch_finish+0x10/0x10 [ 220.791105][ C0] taprio_init+0x96f/0xbe0 [ 220.791125][ C0] ? __pfx_taprio_init+0x10/0x10 [ 220.791140][ C0] ? qdisc_alloc+0x6ec/0x9e0 [ 220.791157][ C0] ? __pfx_taprio_init+0x10/0x10 [ 220.791173][ C0] qdisc_create+0x7c4/0xf20 [ 220.791194][ C0] ? lockdep_rtnl_is_held+0x26/0x40 [ 220.791215][ C0] tc_modify_qdisc+0x16f0/0x2290 [ 220.791236][ C0] ? rcu_is_watching+0x15/0xb0 [ 220.791256][ C0] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 220.791276][ C0] ? __dev_queue_xmit+0x2b6/0x3950 [ 220.791305][ C0] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 220.791324][ C0] rtnetlink_rcv_msg+0x77e/0xbe0 [ 220.791348][ C0] ? rtnetlink_rcv_msg+0x1b9/0xbe0 [ 220.791369][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 220.791390][ C0] ? ref_tracker_free+0x693/0x840 [ 220.791408][ C0] ? __pfx_ref_tracker_free+0x10/0x10 [ 220.791430][ C0] ? __asan_memcpy+0x40/0x70 [ 220.791446][ C0] ? __skb_clone+0x63/0x7a0 [ 220.791465][ C0] netlink_rcv_skb+0x232/0x4b0 [ 220.791481][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 220.791504][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 220.791524][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 220.791539][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 220.791557][ C0] netlink_unicast+0x75c/0x8e0 [ 220.791582][ C0] netlink_sendmsg+0x813/0xb40 [ 220.791602][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 220.791619][ C0] ? aa_sock_msg_perm+0xf1/0x1b0 [ 220.791637][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 220.791656][ C0] ____sys_sendmsg+0x972/0x9f0 [ 220.791673][ C0] ? __might_fault+0xaf/0x130 [ 220.791693][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 220.791712][ C0] ? import_iovec+0x73/0xa0 [ 220.791731][ C0] ___sys_sendmsg+0x2a5/0x360 [ 220.791747][ C0] ? __lock_acquire+0x6b5/0x2cf0 [ 220.791770][ C0] ? __pfx____sys_sendmsg+0x10/0x10 [ 220.791789][ C0] ? futex_wake+0x4ac/0x580 [ 220.791817][ C0] ? __fget_files+0x2a/0x420 [ 220.791832][ C0] ? __fget_files+0x3a0/0x420 [ 220.791851][ C0] __x64_sys_sendmsg+0x1bd/0x2a0 [ 220.791869][ C0] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 220.791889][ C0] ? rcu_is_watching+0x15/0xb0 [ 220.791909][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 220.791924][ C0] do_syscall_64+0x15f/0xf80 [ 220.791944][ C0] ? trace_irq_disable+0x3b/0x140 [ 220.791964][ C0] ? clear_bhb_loop+0x40/0x90 [ 220.791981][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 220.791996][ C0] RIP: 0033:0x7f57b7d9cdd9 [ 220.792011][ 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 [ 220.792022][ C0] RSP: 002b:00007f57b8bb5028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 220.792038][ C0] RAX: ffffffffffffffda RBX: 00007f57b8015fa0 RCX: 00007f57b7d9cdd9 [ 220.792048][ C0] RDX: 0000000000000010 RSI: 00002000000012c0 RDI: 0000000000000005 [ 220.792058][ C0] RBP: 00007f57b7e32d69 R08: 0000000000000000 R09: 0000000000000000 [ 220.792067][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 220.792076][ C0] R13: 00007f57b8016038 R14: 00007f57b8015fa0 R15: 00007ffdff7f00a8 [ 220.792094][ C0] [ 220.792480][ C1] task:udevd state:R running task stack:26016 pid:5965 tgid:5965 ppid:5210 task_flags:0x400140 flags:0x00080000 [ 221.389002][ C1] Call Trace: [ 221.392299][ C1] [ 221.395250][ C1] __schedule+0x17b4/0x5680 [ 221.399828][ C1] ? __pfx___schedule+0x10/0x10 [ 221.404720][ C1] preempt_schedule_irq+0x4d/0xa0 [ 221.409770][ C1] irqentry_exit+0x14f/0x730 [ 221.414391][ C1] ? trace_irq_disable+0x3b/0x140 [ 221.419445][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 221.425451][ C1] RIP: 0010:deref_stack_reg+0x33/0x230 [ 221.430932][ C1] Code: 53 48 83 ec 20 48 89 54 24 18 49 89 f0 49 89 ff 48 be 00 00 00 00 00 fc ff df 48 8d 5f 08 49 89 dc 49 c1 ec 03 41 80 3c 34 00 <4c> 89 04 24 74 16 48 89 df e8 3f d2 b9 00 4c 8b 04 24 48 be 00 00 [ 221.450727][ C1] RSP: 0018:ffffc900043372c0 EFLAGS: 00000246 [ 221.456816][ C1] RAX: fffffffffffffff0 RBX: ffffc900043373f0 RCX: 0000000000000000 [ 221.464805][ C1] RDX: ffffc90004337428 RSI: dffffc0000000000 RDI: ffffc900043373e8 [ 221.472798][ C1] RBP: dffffc0000000000 R08: ffffc90004337950 R09: 0000000000000000 [ 221.480809][ C1] R10: ffffc90004337438 R11: fffff52000866e89 R12: 1ffff92000866e7e [ 221.488799][ C1] R13: 1ffff92000866e7f R14: ffffc900043373e8 R15: ffffc900043373e8 [ 221.496828][ C1] unwind_next_frame+0x19d5/0x2550 [ 221.501972][ C1] ? unwind_next_frame+0xa6/0x2550 [ 221.507104][ C1] ? fput_close+0x11f/0x240 [ 221.511635][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 221.517813][ C1] arch_stack_walk+0x11b/0x150 [ 221.522607][ C1] ? path_openat+0x311d/0x3860 [ 221.527445][ C1] stack_trace_save+0xa9/0x100 [ 221.532238][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 221.537648][ C1] ? __lock_acquire+0x6b5/0x2cf0 [ 221.542621][ C1] kasan_save_track+0x3e/0x80 [ 221.547320][ C1] ? kasan_save_track+0x3e/0x80 [ 221.552194][ C1] ? kasan_save_free_info+0x46/0x50 [ 221.557414][ C1] ? __kasan_slab_free+0x5c/0x80 [ 221.562371][ C1] ? kmem_cache_free+0x182/0x650 [ 221.567428][ C1] ? file_free+0x24/0x1d0 [ 221.571804][ C1] ? __fput_deferred+0x2a3/0x380 [ 221.576780][ C1] ? fput_close+0x11f/0x240 [ 221.581365][ C1] ? file_free+0x24/0x1d0 [ 221.585806][ C1] kasan_save_free_info+0x46/0x50 [ 221.590854][ C1] __kasan_slab_free+0x5c/0x80 [ 221.595680][ C1] kmem_cache_free+0x182/0x650 [ 221.600494][ C1] ? apparmor_file_free_security+0xc4/0xf0 [ 221.606355][ C1] file_free+0x24/0x1d0 [ 221.610555][ C1] __fput_deferred+0x2a3/0x380 [ 221.615471][ C1] ? __pfx___fput_deferred+0x10/0x10 [ 221.620799][ C1] ? mntput_no_expire+0x1c/0x1c0 [ 221.625948][ C1] fput_close+0x11f/0x240 [ 221.630302][ C1] ? __pfx_fput_close+0x10/0x10 [ 221.635171][ C1] ? __asan_memset+0x22/0x50 [ 221.639788][ C1] ? terminate_walk+0x3d7/0x510 [ 221.644677][ C1] path_openat+0x311d/0x3860 [ 221.649486][ C1] ? arch_stack_walk+0xfb/0x150 [ 221.654378][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 221.659780][ C1] ? stack_depot_save_flags+0x33/0x810 [ 221.665266][ C1] ? __pfx_path_openat+0x10/0x10 [ 221.670222][ C1] ? __x64_sys_openat+0x138/0x170 [ 221.675273][ C1] ? __lock_acquire+0x6b5/0x2cf0 [ 221.680254][ C1] do_file_open+0x23e/0x4a0 [ 221.684784][ C1] ? __pfx_do_file_open+0x10/0x10 [ 221.689878][ C1] ? _raw_spin_unlock+0x28/0x50 [ 221.694755][ C1] ? alloc_fd+0x64b/0x6c0 [ 221.699116][ C1] do_sys_openat2+0x113/0x200 [ 221.703813][ C1] ? __pfx_do_sys_openat2+0x10/0x10 [ 221.709029][ C1] ? exc_page_fault+0x6a/0xc0 [ 221.713735][ C1] ? do_user_addr_fault+0xc6f/0x1340 [ 221.719157][ C1] __x64_sys_openat+0x138/0x170 [ 221.724035][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 221.730125][ C1] do_syscall_64+0x15f/0xf80 [ 221.734735][ C1] ? trace_irq_disable+0x3b/0x140 [ 221.739790][ C1] ? clear_bhb_loop+0x40/0x90 [ 221.744578][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 221.750493][ C1] RIP: 0033:0x7ff6e60a7407 [ 221.754937][ C1] RSP: 002b:00007ffe1a606a20 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 221.763373][ C1] RAX: ffffffffffffffda RBX: 00007ff6e68a2880 RCX: 00007ff6e60a7407 [ 221.771362][ C1] RDX: 0000000000080000 RSI: 00007ff6e69b0f48 RDI: 000000000000000b [ 221.779354][ C1] RBP: 000055e6d5a5e1b0 R08: 0000000000000000 R09: 0000000000000000 [ 221.787348][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000080000 [ 221.795339][ C1] R13: 00007ff6e69b0f48 R14: 0000000000000000 R15: 0000000000000009 [ 221.803438][ C1] [ 221.806490][ C1] rcu: rcu_preempt kthread starved for 10505 jiffies! g16153 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 221.817712][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 221.827698][ C1] rcu: RCU grace-period kthread stack dump: [ 221.833594][ C1] task:rcu_preempt state:R running task stack:27968 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 [ 221.847134][ C1] Call Trace: [ 221.850466][ C1] [ 221.853431][ C1] __schedule+0x17b4/0x5680 [ 221.857963][ C1] ? __lock_acquire+0x6b5/0x2cf0 [ 221.862965][ C1] ? __pfx___schedule+0x10/0x10 [ 221.867846][ C1] ? schedule+0x90/0x360 [ 221.872115][ C1] schedule+0x164/0x360 [ 221.876300][ C1] schedule_timeout+0x158/0x2c0 [ 221.881171][ C1] ? __pfx_schedule_timeout+0x10/0x10 [ 221.886564][ C1] ? __pfx_process_timeout+0x10/0x10 [ 221.891875][ C1] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 221.897702][ C1] ? prepare_to_swait_event+0x340/0x370 [ 221.903282][ C1] rcu_gp_fqs_loop+0x312/0x11d0 [ 221.908162][ C1] ? lockdep_hardirqs_on+0x7a/0x110 [ 221.913383][ C1] ? rcu_gp_init+0x1315/0x15b0 [ 221.918190][ C1] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 221.923498][ C1] ? _raw_spin_unlock_irq+0x2e/0x50 [ 221.928732][ C1] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 221.934690][ C1] rcu_gp_kthread+0x9e/0x2b0 [ 221.939335][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 221.944578][ C1] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 221.950428][ C1] ? __kthread_parkme+0x7a/0x1f0 [ 221.955394][ C1] ? __kthread_parkme+0x19c/0x1f0 [ 221.960454][ C1] kthread+0x388/0x470 [ 221.964547][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 221.969781][ C1] ? __pfx_kthread+0x10/0x10 [ 221.974395][ C1] ret_from_fork+0x514/0xb70 [ 221.979036][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 221.984213][ C1] ? __switch_to+0xc79/0x1410 [ 221.988945][ C1] ? __pfx_kthread+0x10/0x10 [ 221.993575][ C1] ret_from_fork_asm+0x1a/0x30 [ 221.998390][ C1] [ 222.001442][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 222.007894][ C1] CPU: 1 UID: 0 PID: 6026 Comm: sed Not tainted syzkaller #0 PREEMPT(full) [ 222.016597][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 222.026761][ C1] RIP: 0010:smp_call_function_many_cond+0xfd4/0x13d0 [ 222.033483][ C1] Code: 89 ee 83 e6 01 31 ff e8 fa fc 0b 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 07 e8 a5 f8 0b 00 eb 37 f3 90 43 0f b6 04 2c <84> c0 75 10 41 f7 06 01 00 00 00 74 1e e8 8a f8 0b 00 eb e5 44 89 [ 222.053136][ C1] RSP: 0018:ffffc90004377680 EFLAGS: 00000293 [ 222.059256][ C1] RAX: 0000000000000000 RBX: ffff8880b873c148 RCX: ffff8880337c0000 [ 222.067258][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 222.075245][ C1] RBP: ffffc900043777c0 R08: ffffffff903386f7 R09: 1ffffffff20670de [ 222.083244][ C1] R10: dffffc0000000000 R11: fffffbfff20670df R12: 1ffff110170c8589 [ 222.091293][ C1] R13: dffffc0000000000 R14: ffff8880b8642c48 R15: 0000000000000000 [ 222.099285][ C1] FS: 0000000000000000(0000) GS:ffff888125313000(0000) knlGS:0000000000000000 [ 222.108248][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 222.114857][ C1] CR2: 00007f1a982a9e9c CR3: 000000000e74a000 CR4: 00000000003526f0 [ 222.123198][ C1] Call Trace: [ 222.126559][ C1] [ 222.129525][ C1] ? smp_call_function_many_cond+0x881/0x13d0 [ 222.135631][ C1] ? __pfx_flush_tlb_func+0x10/0x10 [ 222.140860][ C1] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 222.147263][ C1] ? rcu_is_watching+0x15/0xb0 [ 222.152049][ C1] ? __pfx_flush_tlb_func+0x10/0x10 [ 222.157268][ C1] on_each_cpu_cond_mask+0x3f/0x80 [ 222.162416][ C1] flush_tlb_mm_range+0x5c3/0x10b0 [ 222.167565][ C1] tlb_flush_mmu+0x1af/0xa30 [ 222.172186][ C1] tlb_finish_mmu+0xf9/0x230 [ 222.176811][ C1] free_ldt_pgtables+0x19d/0x350 [ 222.181772][ C1] ? __pfx_free_ldt_pgtables+0x10/0x10 [ 222.187304][ C1] ? down_read+0x270/0x2e0 [ 222.191842][ C1] ? exit_mmap+0x183/0x9e0 [ 222.196288][ C1] exit_mmap+0x1af/0x9e0 [ 222.200563][ C1] ? __pfx_exit_mmap+0x10/0x10 [ 222.205362][ C1] ? uprobe_clear_state+0x53/0x3f0 [ 222.210609][ C1] ? __pfx_exit_aio+0x10/0x10 [ 222.215446][ C1] ? uprobe_clear_state+0x2bc/0x3f0 [ 222.220707][ C1] __mmput+0x118/0x430 [ 222.224835][ C1] exit_mm+0x18e/0x250 [ 222.228941][ C1] do_exit+0x6a2/0x22c0 [ 222.233237][ C1] ? __pfx_do_exit+0x10/0x10 [ 222.238295][ C1] ? do_raw_spin_lock+0x12b/0x2f0 [ 222.243448][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 222.248676][ C1] do_group_exit+0x21b/0x2d0 [ 222.253326][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 222.259443][ C1] __x64_sys_exit_group+0x3f/0x40 [ 222.264494][ C1] x64_sys_call+0x221a/0x2240 [ 222.269187][ C1] do_syscall_64+0x15f/0xf80 [ 222.273814][ C1] ? trace_irq_disable+0x3b/0x140 [ 222.278859][ C1] ? clear_bhb_loop+0x40/0x90 [ 222.283560][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 222.289474][ C1] RIP: 0033:0x7f1a984086c5 [ 222.293915][ C1] Code: Unable to access opcode bytes at 0x7f1a9840869b. [ 222.300967][ C1] RSP: 002b:00007fffc18bbd08 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 222.309433][ C1] RAX: ffffffffffffffda RBX: 00007f1a98509fe8 RCX: 00007f1a984086c5 [ 222.317447][ C1] RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000000 [ 222.325434][ C1] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 222.333420][ C1] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 222.341496][ C1] R13: 0000000000000000 R14: 00007f1a98508680 R15: 00007f1a9850a000 [ 222.349608][ C1]