Warning: Permanently added '10.128.0.194' (ED25519) to the list of known hosts.
2026/05/31 03:45:30 parsed 1 programs
[ 61.945568][ T4199] cgroup: Unknown subsys name 'net'
[ 62.057772][ T4199] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 63.587576][ T4199] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 65.453710][ T4234] chnl_net:caif_netlink_parms(): no params data found
[ 65.500519][ T4234] bridge0: port 1(bridge_slave_0) entered blocking state
[ 65.508121][ T4234] bridge0: port 1(bridge_slave_0) entered disabled state
[ 65.516203][ T4234] device bridge_slave_0 entered promiscuous mode
[ 65.525129][ T4234] bridge0: port 2(bridge_slave_1) entered blocking state
[ 65.532419][ T4234] bridge0: port 2(bridge_slave_1) entered disabled state
[ 65.540083][ T4234] device bridge_slave_1 entered promiscuous mode
[ 65.575216][ T4234] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 65.587246][ T4234] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 65.616437][ T4234] team0: Port device team_slave_0 added
[ 65.624994][ T4234] team0: Port device team_slave_1 added
[ 65.647436][ T4234] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 65.654555][ T4234] 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.
[ 65.681366][ T4234] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 65.695272][ T4234] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 65.702565][ T4234] 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.
[ 65.728978][ T4234] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 65.770512][ T4234] device hsr_slave_0 entered promiscuous mode
[ 65.777545][ T4234] device hsr_slave_1 entered promiscuous mode
[ 65.917962][ T4234] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 65.930569][ T4234] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 65.941594][ T4234] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 65.953191][ T4234] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 65.986235][ T4234] bridge0: port 2(bridge_slave_1) entered blocking state
[ 65.993530][ T4234] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 66.001628][ T4234] bridge0: port 1(bridge_slave_0) entered blocking state
[ 66.009023][ T4234] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 66.073422][ T4234] 8021q: adding VLAN 0 to HW filter on device bond0
[ 66.087642][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 66.100022][ T1168] bridge0: port 1(bridge_slave_0) entered disabled state
[ 66.108638][ T1168] bridge0: port 2(bridge_slave_1) entered disabled state
[ 66.118858][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 66.136679][ T4234] 8021q: adding VLAN 0 to HW filter on device team0
[ 66.148896][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 66.159145][ T1168] bridge0: port 1(bridge_slave_0) entered blocking state
[ 66.167028][ T1168] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 66.193183][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 66.203247][ T144] bridge0: port 2(bridge_slave_1) entered blocking state
[ 66.210697][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 66.226095][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 66.234877][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 66.247116][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 66.262022][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 66.275857][ T4234] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 66.290557][ T4234] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 66.300092][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 66.441532][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 66.451054][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 66.468121][ T4234] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 66.496055][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 66.511600][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 66.540158][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 66.551632][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 66.566093][ T4234] device veth0_vlan entered promiscuous mode
[ 66.574843][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 66.585665][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 66.599367][ T4234] device veth1_vlan entered promiscuous mode
[ 66.628377][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 66.639934][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 66.649625][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 66.660274][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 66.674242][ T4234] device veth0_macvtap entered promiscuous mode
[ 66.686292][ T4234] device veth1_macvtap entered promiscuous mode
[ 66.705455][ T4234] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 66.717027][ T4234] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 66.729874][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 66.740752][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 66.751510][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 66.763533][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 66.773169][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 66.782809][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 66.795354][ T4234] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 66.805138][ T4234] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 66.814025][ T4234] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 66.823315][ T4234] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 66.962948][ T4234] syz-executor (4234) used greatest stack depth: 20120 bytes left
[ 67.072642][ T3017] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 69.547924][ T3017] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 71.444735][ T1421] ieee802154 phy0 wpan0: encryption failed: -22
[ 71.451125][ T1421] ieee802154 phy1 wpan1: encryption failed: -22
[ 71.927795][ T3017] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 71.979001][ T3017] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 73.222506][ T3017] device hsr_slave_0 left promiscuous mode
[ 73.230150][ T3017] device hsr_slave_1 left promiscuous mode
[ 73.243793][ T3017] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 73.251272][ T3017] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 73.282991][ T3017] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 73.290431][ T3017] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 73.303312][ T3017] device bridge_slave_1 left promiscuous mode
[ 73.310442][ T3017] bridge0: port 2(bridge_slave_1) entered disabled state
[ 73.340572][ T3017] device bridge_slave_0 left promiscuous mode
[ 73.363263][ T3017] bridge0: port 1(bridge_slave_0) entered disabled state
[ 73.398373][ T3017] device veth1_macvtap left promiscuous mode
[ 73.406833][ T3017] device veth0_macvtap left promiscuous mode
[ 73.413376][ T3017] device veth1_vlan left promiscuous mode
[ 73.419489][ T3017] device veth0_vlan left promiscuous mode
[ 73.619364][ T3017] team0 (unregistering): Port device team_slave_1 removed
[ 73.631624][ T3017] team0 (unregistering): Port device team_slave_0 removed
[ 73.645060][ T3017] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 73.659629][ T3017] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 73.713416][ T3017] bond0 (unregistering): Released all slaves
[ 74.083751][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 74.107597][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 74.124012][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 74.166770][ T1168] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 74.181732][ T1168] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 74.191177][ T4334] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2026/05/31 03:45:45 executed programs: 0
[ 75.885418][ T4382] chnl_net:caif_netlink_parms(): no params data found
[ 75.982187][ T4382] bridge0: port 1(bridge_slave_0) entered blocking state
[ 75.989453][ T4382] bridge0: port 1(bridge_slave_0) entered disabled state
[ 75.997972][ T4382] device bridge_slave_0 entered promiscuous mode
[ 76.007105][ T4382] bridge0: port 2(bridge_slave_1) entered blocking state
[ 76.014389][ T4382] bridge0: port 2(bridge_slave_1) entered disabled state
[ 76.022689][ T4382] device bridge_slave_1 entered promiscuous mode
[ 76.050143][ T4382] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 76.063480][ T4382] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 76.098493][ T4382] team0: Port device team_slave_0 added
[ 76.106526][ T4382] team0: Port device team_slave_1 added
[ 76.133145][ T4382] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 76.140220][ T4382] 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.
[ 76.168083][ T4382] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 76.180770][ T4382] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 76.187948][ T4382] 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.
[ 76.214187][ T4382] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 76.254854][ T4382] device hsr_slave_0 entered promiscuous mode
[ 76.264396][ T4382] device hsr_slave_1 entered promiscuous mode
[ 77.377467][ T4382] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 77.396654][ T4382] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 77.434377][ T4382] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 77.455954][ T4382] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 77.533722][ T4382] 8021q: adding VLAN 0 to HW filter on device bond0
[ 77.548604][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 77.556737][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 77.567663][ T4382] 8021q: adding VLAN 0 to HW filter on device team0
[ 77.579336][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 77.589129][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 77.599763][ T9] bridge0: port 1(bridge_slave_0) entered blocking state
[ 77.606967][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 77.618220][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 77.631155][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 77.642453][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 77.651414][ T9] bridge0: port 2(bridge_slave_1) entered blocking state
[ 77.658765][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 77.683056][ T23] Bluetooth: hci0: command 0x0409 tx timeout
[ 77.692917][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 77.702713][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 77.711536][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 77.724172][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 77.734172][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 77.743408][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 77.760332][ T4382] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 77.771488][ T4382] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 77.819812][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 77.830517][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 77.839683][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 77.852239][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 77.861414][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 77.873537][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 78.056505][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 78.067867][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 78.114548][ T4382] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 78.136637][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 78.147827][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 78.193397][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 78.204610][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 78.215732][ T4382] device veth0_vlan entered promiscuous mode
[ 78.224598][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 78.234762][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 78.288690][ T4382] device veth1_vlan entered promiscuous mode
[ 78.313326][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 78.323083][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 78.331315][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 78.343427][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 78.358931][ T4382] device veth0_macvtap entered promiscuous mode
[ 78.404652][ T4382] device veth1_macvtap entered promiscuous mode
[ 78.425810][ T4382] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 78.436402][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 78.445412][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 78.455239][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 78.464150][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 78.475806][ T4382] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 78.485387][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 78.494440][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 78.506592][ T4382] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 78.517465][ T4382] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 78.526546][ T4382] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 78.536144][ T4382] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 78.663862][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 78.686115][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 78.714914][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 78.736938][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 78.747083][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 78.756173][ T1168] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 78.840199][ T4489]
[ 78.843536][ T4489] =============================
[ 78.848488][ T4489] WARNING: suspicious RCU usage
[ 78.854520][ T4489] syzkaller #0 Not tainted
[ 78.859703][ T4489] -----------------------------
[ 78.878355][ T4489] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage!
[ 78.888118][ T4489]
[ 78.888118][ T4489] other info that might help us debug this:
[ 78.888118][ T4489]
[ 78.900839][ T4489]
[ 78.900839][ T4489] rcu_scheduler_active = 2, debug_locks = 1
[ 78.910037][ T4489] 1 lock held by syz.0.17/4489:
[ 78.916554][ T4489] #0: ffffffff8c31f4a0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 78.933278][ T4489]
[ 78.933278][ T4489] stack backtrace:
[ 78.939230][ T4489] CPU: 0 PID: 4489 Comm: syz.0.17 Not tainted syzkaller #0
[ 78.946571][ T4489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 78.956668][ T4489] Call Trace:
[ 78.960065][ T4489]
[ 78.963032][ T4489] dump_stack_lvl+0x188/0x250
[ 78.967832][ T4489] ? load_image+0x400/0x400
[ 78.972370][ T4489] ? show_regs_print_info+0x20/0x20
[ 78.977683][ T4489] ? print_tainted+0x148/0x170
[ 78.982497][ T4489] ? lockdep_rcu_suspicious+0x110/0x180
[ 78.988084][ T4489] get_callchain_entry+0x2a5/0x3b0
[ 78.993407][ T4489] get_perf_callchain+0xab/0x460
[ 78.998471][ T4489] ? put_callchain_entry+0xb0/0xb0
[ 79.003742][ T4489] ? mark_lock+0x94/0x320
[ 79.008107][ T4489] ? verify_lock_unused+0x140/0x140
[ 79.013530][ T4489] ? __lock_acquire+0x13bc/0x7d10
[ 79.018603][ T4489] __bpf_get_stack+0x2db/0x530
[ 79.023415][ T4489] ? stack_map_get_build_id_offset+0x860/0x860
[ 79.029627][ T4489] ? __cant_sleep+0x220/0x220
[ 79.034442][ T4489] ? bpf_prog_14d9fb3786f83342+0x3d/0x5a4
[ 79.040292][ T4489] bpf_get_stack_raw_tp+0x189/0x1c0
[ 79.045532][ T4489] bpf_prog_14d9fb3786f83342+0x3d/0x5a4
[ 79.051120][ T4489] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 79.056535][ T4489] bpf_prog_test_run_syscall+0x35a/0x4f0
[ 79.062216][ T4489] ? sock_gen_cookie+0x60/0x60
[ 79.067071][ T4489] ? __fdget+0x150/0x210
[ 79.073248][ T4489] ? sock_gen_cookie+0x60/0x60
[ 79.078154][ T4489] bpf_prog_test_run+0x31e/0x390
[ 79.083143][ T4489] __sys_bpf+0x5a5/0x6f0
[ 79.087485][ T4489] ? bpf_link_show_fdinfo+0x380/0x380
[ 79.093199][ T4489] ? vtime_user_exit+0x2c8/0x3e0
[ 79.098190][ T4489] __x64_sys_bpf+0x78/0x90
[ 79.102916][ T4489] do_syscall_64+0x4c/0xa0
[ 79.107530][ T4489] ? clear_bhb_loop+0x30/0x80
[ 79.112417][ T4489] ? clear_bhb_loop+0x30/0x80
[ 79.117259][ T4489] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 79.123420][ T4489] RIP: 0033:0x7ffadca89e59
[ 79.127881][ T4489] 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
[ 79.147721][ T4489] RSP: 002b:00007ffcfe274a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 79.156348][ T4489] RAX: ffffffffffffffda RBX: 00007ffadcd02fa0 RCX: 00007ffadca89e59
[ 79.164445][ T4489] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a
[ 79.172804][ T4489] RBP: 00007ffadcb1fd6f R08: 0000000000000000 R09: 0000000000000000
[ 79.180811][ T4489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 79.189606][ T4489] R13: 00007ffadcd02fac R14: 00007ffadcd02fa0 R15: 00007ffadcd02fa0
[ 79.197839][ T4489]
[ 79.216319][ T4489]
[ 79.218701][ T4489] =============================
[ 79.224965][ T4489] WARNING: suspicious RCU usage
[ 79.230091][ T4489] syzkaller #0 Not tainted
[ 79.235286][ T4489] -----------------------------
[ 79.240169][ T4489] include/linux/perf_event.h:1274 suspicious rcu_dereference_check() usage!
[ 79.249319][ T4489]
[ 79.249319][ T4489] other info that might help us debug this:
[ 79.249319][ T4489]
[ 79.261535][ T4489]
[ 79.261535][ T4489] rcu_scheduler_active = 2, debug_locks = 1
[ 79.270302][ T4489] 1 lock held by syz.0.17/4489:
[ 79.276047][ T4489] #0: ffffffff8c31f4a0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 79.288118][ T4489]
[ 79.288118][ T4489] stack backtrace:
[ 79.301060][ T4489] CPU: 0 PID: 4489 Comm: syz.0.17 Not tainted syzkaller #0
[ 79.308309][ T4489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 79.318733][ T4489] Call Trace:
[ 79.322018][ T4489]
[ 79.324955][ T4489] dump_stack_lvl+0x188/0x250
[ 79.329645][ T4489] ? load_image+0x400/0x400
[ 79.334152][ T4489] ? show_regs_print_info+0x20/0x20
[ 79.339366][ T4489] ? lockdep_rcu_suspicious+0x110/0x180
[ 79.344918][ T4489] perf_callchain_kernel+0x5f1/0x720
[ 79.350221][ T4489] ? load_image+0x400/0x400
[ 79.354730][ T4489] ? show_regs_print_info+0x20/0x20
[ 79.359928][ T4489] ? print_tainted+0x148/0x170
[ 79.364721][ T4489] ? arch_perf_update_userpage+0x3c0/0x3c0
[ 79.370636][ T4489] ? get_callchain_entry+0x181/0x3b0
[ 79.375924][ T4489] get_perf_callchain+0x356/0x460
[ 79.380966][ T4489] ? put_callchain_entry+0xb0/0xb0
[ 79.386098][ T4489] ? mark_lock+0x94/0x320
[ 79.390482][ T4489] ? verify_lock_unused+0x140/0x140
[ 79.395895][ T4489] ? __lock_acquire+0x13bc/0x7d10
[ 79.400951][ T4489] __bpf_get_stack+0x2db/0x530
[ 79.405739][ T4489] ? stack_map_get_build_id_offset+0x860/0x860
[ 79.411920][ T4489] ? __cant_sleep+0x220/0x220
[ 79.416606][ T4489] ? bpf_prog_14d9fb3786f83342+0x3d/0x5a4
[ 79.422679][ T4489] bpf_get_stack_raw_tp+0x189/0x1c0
[ 79.427988][ T4489] bpf_prog_14d9fb3786f83342+0x3d/0x5a4
[ 79.433537][ T4489] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 79.438922][ T4489] bpf_prog_test_run_syscall+0x35a/0x4f0
[ 79.444606][ T4489] ? sock_gen_cookie+0x60/0x60
[ 79.449550][ T4489] ? __fdget+0x150/0x210
[ 79.453795][ T4489] ? sock_gen_cookie+0x60/0x60
[ 79.458564][ T4489] bpf_prog_test_run+0x31e/0x390
[ 79.463517][ T4489] __sys_bpf+0x5a5/0x6f0
[ 79.467765][ T4489] ? bpf_link_show_fdinfo+0x380/0x380
[ 79.474371][ T4489] ? vtime_user_exit+0x2c8/0x3e0
[ 79.479543][ T4489] __x64_sys_bpf+0x78/0x90
[ 79.484075][ T4489] do_syscall_64+0x4c/0xa0
[ 79.488506][ T4489] ? clear_bhb_loop+0x30/0x80
[ 79.493188][ T4489] ? clear_bhb_loop+0x30/0x80
[ 79.497873][ T4489] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 79.503883][ T4489] RIP: 0033:0x7ffadca89e59
[ 79.508335][ T4489] 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
[ 79.527954][ T4489] RSP: 002b:00007ffcfe274a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 79.536562][ T4489] RAX: ffffffffffffffda RBX: 00007ffadcd02fa0 RCX: 00007ffadca89e59
[ 79.544998][ T4489] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a
[ 79.552973][ T4489] RBP: 00007ffadcb1fd6f R08: 0000000000000000 R09: 0000000000000000
[ 79.561056][ T4489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 79.569116][ T4489] R13: 00007ffadcd02fac R14: 00007ffadcd02fa0 R15: 00007ffadcd02fa0
[ 79.577208][ T4489]