Warning: Permanently added '10.128.1.98' (ED25519) to the list of known hosts.
2026/05/02 19:07:14 parsed 1 programs
[ 76.996396][ T4208] cgroup: Unknown subsys name 'net'
[ 77.144634][ T4208] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 78.712068][ T4208] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 81.052482][ T1267] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 81.065554][ T1267] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 81.089429][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 81.101693][ T1267] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 81.110533][ T1267] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 81.118471][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 82.862546][ T4290] chnl_net:caif_netlink_parms(): no params data found
[ 82.913112][ T4290] bridge0: port 1(bridge_slave_0) entered blocking state
[ 82.920938][ T4290] bridge0: port 1(bridge_slave_0) entered disabled state
[ 82.929386][ T4290] device bridge_slave_0 entered promiscuous mode
[ 82.939022][ T4290] bridge0: port 2(bridge_slave_1) entered blocking state
[ 82.946621][ T4290] bridge0: port 2(bridge_slave_1) entered disabled state
[ 82.954826][ T4290] device bridge_slave_1 entered promiscuous mode
[ 82.976645][ T4290] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 82.988801][ T4290] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 83.013483][ T4290] team0: Port device team_slave_0 added
[ 83.021253][ T4290] team0: Port device team_slave_1 added
[ 83.039671][ T4290] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 83.046649][ T4290] 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.
[ 83.072938][ T4290] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 83.088531][ T4290] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 83.095672][ T4290] 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.
[ 83.122157][ T4290] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 83.175694][ T4290] device hsr_slave_0 entered promiscuous mode
[ 83.182825][ T4290] device hsr_slave_1 entered promiscuous mode
[ 83.330188][ T4290] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 83.342132][ T4290] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 83.353273][ T4290] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 83.386584][ T4290] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 83.475182][ T4290] 8021q: adding VLAN 0 to HW filter on device bond0
[ 83.514820][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 83.524542][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 83.536921][ T4290] 8021q: adding VLAN 0 to HW filter on device team0
[ 83.571708][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 83.581705][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 83.591334][ T154] bridge0: port 1(bridge_slave_0) entered blocking state
[ 83.598668][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 83.612504][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 83.622098][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 83.631448][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 83.641580][ T154] bridge0: port 2(bridge_slave_1) entered blocking state
[ 83.648895][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 83.661569][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 83.696372][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 83.710719][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 83.720217][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 83.729519][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 83.755785][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 83.764793][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 83.779499][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 83.790981][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 83.802748][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 83.925002][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 83.933885][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 83.947833][ T4290] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 83.966789][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 84.020209][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 84.031813][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 84.041629][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 84.052351][ T4290] device veth0_vlan entered promiscuous mode
[ 84.068665][ T4290] device veth1_vlan entered promiscuous mode
[ 84.093214][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 84.105206][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 84.114516][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 84.129272][ T4290] device veth0_macvtap entered promiscuous mode
[ 84.141283][ T4290] device veth1_macvtap entered promiscuous mode
[ 84.163392][ T4290] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 84.172553][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 84.184757][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 84.198220][ T4290] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 84.205561][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 84.215966][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 84.228498][ T4290] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 84.237679][ T4290] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 84.246506][ T4290] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 84.256132][ T4290] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
2026/05/02 19:07:24 executed programs: 0
[ 85.140238][ T4307] chnl_net:caif_netlink_parms(): no params data found
[ 85.206633][ T4307] bridge0: port 1(bridge_slave_0) entered blocking state
[ 85.218464][ T4307] bridge0: port 1(bridge_slave_0) entered disabled state
[ 85.226909][ T4307] device bridge_slave_0 entered promiscuous mode
[ 85.242018][ T4307] bridge0: port 2(bridge_slave_1) entered blocking state
[ 85.251564][ T4307] bridge0: port 2(bridge_slave_1) entered disabled state
[ 85.260618][ T4307] device bridge_slave_1 entered promiscuous mode
[ 85.286799][ T4307] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 85.300783][ T4307] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 85.331354][ T4307] team0: Port device team_slave_0 added
[ 85.340101][ T4307] team0: Port device team_slave_1 added
[ 85.362132][ T4307] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 85.369422][ T4307] 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.
[ 85.395782][ T4307] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 85.410472][ T4307] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 85.419454][ T4307] 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.
[ 85.445966][ T4307] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 85.491079][ T4307] device hsr_slave_0 entered promiscuous mode
[ 85.498450][ T4307] device hsr_slave_1 entered promiscuous mode
[ 85.505973][ T4307] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 85.514511][ T4307] Cannot create hsr debugfs directory
[ 85.600941][ T4307] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 86.809129][ T1326] cfg80211: failed to load regulatory.db
[ 87.058244][ T4319] Bluetooth: hci0: command 0x0409 tx timeout
[ 88.575274][ T4307] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 89.138226][ T4318] Bluetooth: hci0: command 0x041b tx timeout
[ 89.544334][ T4307] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 89.595252][ T4307] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 89.821143][ T4307] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 89.830335][ T4307] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 89.839626][ T4307] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 89.850696][ T4307] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 89.929295][ T4307] 8021q: adding VLAN 0 to HW filter on device bond0
[ 89.945054][ T9] device hsr_slave_0 left promiscuous mode
[ 89.952766][ T9] device hsr_slave_1 left promiscuous mode
[ 89.959727][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 89.967306][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 89.977254][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 89.985051][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 89.993588][ T9] device bridge_slave_1 left promiscuous mode
[ 90.000708][ T9] bridge0: port 2(bridge_slave_1) entered disabled state
[ 90.016237][ T9] device bridge_slave_0 left promiscuous mode
[ 90.022942][ T9] bridge0: port 1(bridge_slave_0) entered disabled state
[ 90.042461][ T9] device veth1_macvtap left promiscuous mode
[ 90.048984][ T9] device veth0_macvtap left promiscuous mode
[ 90.055165][ T9] device veth1_vlan left promiscuous mode
[ 90.061779][ T9] device veth0_vlan left promiscuous mode
[ 90.233396][ T9] team0 (unregistering): Port device team_slave_1 removed
[ 90.247003][ T9] team0 (unregistering): Port device team_slave_0 removed
[ 90.261864][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 90.276559][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 90.342207][ T9] bond0 (unregistering): Released all slaves
[ 90.431166][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 90.442009][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 90.452935][ T4307] 8021q: adding VLAN 0 to HW filter on device team0
[ 90.464491][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 90.474129][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 90.483152][ T154] bridge0: port 1(bridge_slave_0) entered blocking state
[ 90.490558][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 90.500869][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 90.512940][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 90.522203][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 90.531218][ T1267] bridge0: port 2(bridge_slave_1) entered blocking state
[ 90.538612][ T1267] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 90.557551][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 90.571320][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 90.581471][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 90.594468][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 90.618160][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 90.626257][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 90.635659][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 90.644634][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 90.653897][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 90.662976][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 90.672338][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 90.684363][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 90.802474][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 90.810648][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 90.825882][ T4307] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 90.848020][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 90.856815][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 90.875625][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 90.884282][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 90.893518][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 90.902335][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 90.914296][ T4307] device veth0_vlan entered promiscuous mode
[ 90.929939][ T4307] device veth1_vlan entered promiscuous mode
[ 90.955595][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 90.964573][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 90.974361][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 90.983757][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 90.996502][ T4307] device veth0_macvtap entered promiscuous mode
[ 91.008958][ T4307] device veth1_macvtap entered promiscuous mode
[ 91.029182][ T4307] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 91.036617][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 91.046394][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 91.055099][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 91.065995][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 91.079585][ T4307] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 91.089675][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 91.098824][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 91.112089][ T4307] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 91.129092][ T4307] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 91.138268][ T4307] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 91.147194][ T4307] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 91.207914][ T4268] Bluetooth: hci0: command 0x040f tx timeout
[ 91.229543][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 91.246557][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 91.271927][ T1267] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 91.283180][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 91.297787][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 91.305753][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 91.389170][ T4326]
[ 91.391647][ T4326] =============================
[ 91.396511][ T4326] WARNING: suspicious RCU usage
[ 91.427526][ T4326] syzkaller #0 Not tainted
[ 91.432021][ T4326] -----------------------------
[ 91.436981][ T4326] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage!
[ 91.474004][ T4326]
[ 91.474004][ T4326] other info that might help us debug this:
[ 91.474004][ T4326]
[ 91.497437][ T4326]
[ 91.497437][ T4326] rcu_scheduler_active = 2, debug_locks = 1
[ 91.505834][ T4326] 1 lock held by syz.0.17/4326:
[ 91.529156][ T4326] #0: ffffffff8c31eca0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 91.558016][ T4326]
[ 91.558016][ T4326] stack backtrace:
[ 91.564336][ T4326] CPU: 0 PID: 4326 Comm: syz.0.17 Not tainted syzkaller #0
[ 91.571580][ T4326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 91.581777][ T4326] Call Trace:
[ 91.585209][ T4326]
[ 91.588157][ T4326] dump_stack_lvl+0x188/0x250
[ 91.592942][ T4326] ? load_image+0x400/0x400
[ 91.597539][ T4326] ? show_regs_print_info+0x20/0x20
[ 91.602781][ T4326] ? print_tainted+0x148/0x170
[ 91.607626][ T4326] ? lockdep_rcu_suspicious+0x110/0x180
[ 91.613217][ T4326] get_callchain_entry+0x2a5/0x3b0
[ 91.618389][ T4326] get_perf_callchain+0xab/0x460
[ 91.623369][ T4326] ? put_callchain_entry+0xb0/0xb0
[ 91.628532][ T4326] ? mark_lock+0x94/0x320
[ 91.632913][ T4326] ? verify_lock_unused+0x140/0x140
[ 91.638322][ T4326] ? __lock_acquire+0x13bc/0x7d10
[ 91.643849][ T4326] __bpf_get_stack+0x2db/0x530
[ 91.648726][ T4326] ? stack_map_get_build_id_offset+0x860/0x860
[ 91.654939][ T4326] ? __cant_sleep+0x220/0x220
[ 91.659877][ T4326] ? bpf_prog_14d9fb3786f83342+0x3d/0xe0
[ 91.665703][ T4326] bpf_get_stack_raw_tp+0x189/0x1c0
[ 91.671596][ T4326] bpf_prog_14d9fb3786f83342+0x3d/0xe0
[ 91.677281][ T4326] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 91.682796][ T4326] bpf_prog_test_run_syscall+0x35a/0x4f0
[ 91.688471][ T4326] ? sock_gen_cookie+0x60/0x60
[ 91.693670][ T4326] ? __fdget+0x150/0x210
[ 91.697951][ T4326] ? sock_gen_cookie+0x60/0x60
[ 91.702778][ T4326] bpf_prog_test_run+0x31e/0x390
[ 91.707798][ T4326] __sys_bpf+0x5a5/0x6f0
[ 91.712086][ T4326] ? bpf_link_show_fdinfo+0x380/0x380
[ 91.717562][ T4326] ? vtime_user_exit+0x2c8/0x3e0
[ 91.722560][ T4326] __x64_sys_bpf+0x78/0x90
[ 91.727049][ T4326] do_syscall_64+0x4c/0xa0
[ 91.731518][ T4326] ? clear_bhb_loop+0x30/0x80
[ 91.736250][ T4326] ? clear_bhb_loop+0x30/0x80
[ 91.741150][ T4326] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 91.747094][ T4326] RIP: 0033:0x7f39b42d5dd9
[ 91.751553][ T4326] 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
[ 91.771470][ T4326] RSP: 002b:00007fff61f522f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 91.780352][ T4326] RAX: ffffffffffffffda RBX: 00007f39b454efa0 RCX: 00007f39b42d5dd9
[ 91.788454][ T4326] RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a
[ 91.796584][ T4326] RBP: 00007f39b436bd69 R08: 0000000000000000 R09: 0000000000000000
[ 91.804721][ T4326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 91.812967][ T4326] R13: 00007f39b454efac R14: 00007f39b454efa0 R15: 00007f39b454efa0
[ 91.821008][ T4326]
[ 91.835192][ T4326]
[ 91.837649][ T4326] =============================
[ 91.842530][ T4326] WARNING: suspicious RCU usage
[ 91.850924][ T4326] syzkaller #0 Not tainted
[ 91.855673][ T4326] -----------------------------
[ 91.877449][ T4326] include/linux/perf_event.h:1274 suspicious rcu_dereference_check() usage!
[ 91.886586][ T4326]
[ 91.886586][ T4326] other info that might help us debug this:
[ 91.886586][ T4326]
[ 91.908310][ T4326]
[ 91.908310][ T4326] rcu_scheduler_active = 2, debug_locks = 1
[ 91.916555][ T4326] 1 lock held by syz.0.17/4326:
[ 91.922871][ T4326] #0: ffffffff8c31eca0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 91.942637][ T4326]
[ 91.942637][ T4326] stack backtrace:
[ 91.949136][ T4326] CPU: 0 PID: 4326 Comm: syz.0.17 Not tainted syzkaller #0
[ 91.956391][ T4326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 91.966575][ T4326] Call Trace:
[ 91.969890][ T4326]
[ 91.972858][ T4326] dump_stack_lvl+0x188/0x250
[ 91.978323][ T4326] ? load_image+0x400/0x400
[ 91.982982][ T4326] ? show_regs_print_info+0x20/0x20
[ 91.988258][ T4326] ? lockdep_rcu_suspicious+0x110/0x180
[ 91.993847][ T4326] perf_callchain_kernel+0x5f1/0x720
[ 91.999284][ T4326] ? load_image+0x400/0x400
[ 92.003922][ T4326] ? show_regs_print_info+0x20/0x20
[ 92.010032][ T4326] ? print_tainted+0x148/0x170
[ 92.015033][ T4326] ? arch_perf_update_userpage+0x3c0/0x3c0
[ 92.021003][ T4326] ? get_callchain_entry+0x181/0x3b0
[ 92.026754][ T4326] get_perf_callchain+0x356/0x460
[ 92.032025][ T4326] ? put_callchain_entry+0xb0/0xb0
[ 92.037219][ T4326] ? mark_lock+0x94/0x320
[ 92.041610][ T4326] ? verify_lock_unused+0x140/0x140
[ 92.046973][ T4326] ? __lock_acquire+0x13bc/0x7d10
[ 92.052049][ T4326] __bpf_get_stack+0x2db/0x530
[ 92.056975][ T4326] ? stack_map_get_build_id_offset+0x860/0x860
[ 92.063182][ T4326] ? __cant_sleep+0x220/0x220
[ 92.068021][ T4326] ? bpf_prog_14d9fb3786f83342+0x3d/0xe0
[ 92.073706][ T4326] bpf_get_stack_raw_tp+0x189/0x1c0
[ 92.078958][ T4326] bpf_prog_14d9fb3786f83342+0x3d/0xe0
[ 92.084460][ T4326] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 92.089880][ T4326] bpf_prog_test_run_syscall+0x35a/0x4f0
[ 92.095646][ T4326] ? sock_gen_cookie+0x60/0x60
[ 92.100459][ T4326] ? __fdget+0x150/0x210
[ 92.104922][ T4326] ? sock_gen_cookie+0x60/0x60
[ 92.110001][ T4326] bpf_prog_test_run+0x31e/0x390
[ 92.115004][ T4326] __sys_bpf+0x5a5/0x6f0
[ 92.119307][ T4326] ? bpf_link_show_fdinfo+0x380/0x380
[ 92.124748][ T4326] ? vtime_user_exit+0x2c8/0x3e0
[ 92.129754][ T4326] __x64_sys_bpf+0x78/0x90
[ 92.134260][ T4326] do_syscall_64+0x4c/0xa0
[ 92.138804][ T4326] ? clear_bhb_loop+0x30/0x80
[ 92.143532][ T4326] ? clear_bhb_loop+0x30/0x80
[ 92.148256][ T4326] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 92.154203][ T4326] RIP: 0033:0x7f39b42d5dd9
[ 92.158653][ T4326] 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
[ 92.178305][ T4326] RSP: 002b:00007fff61f522f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 92.186789][ T4326] RAX: ffffffffffffffda RBX: 00007f39b454efa0 RCX: 00007f39b42d5dd9
[ 92.195195][ T4326] RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a
[ 92.203216][ T4326] RBP: 00007f39b436bd69 R08: 0000000000000000 R09: 0000000000000000
[ 92.211450][ T4326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 92.219472][ T4326] R13: 00007f39b454efac R14: 00007f39b454efa0 R15: 00007f39b454efa0
[ 92.227820][ T4326]