Warning: Permanently added '10.128.0.130' (ED25519) to the list of known hosts.
2026/06/09 03:28:21 parsed 1 programs
[ 71.396228][ T4201] cgroup: Unknown subsys name 'net'
[ 71.531497][ T4201] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 73.049141][ T4201] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 74.698748][ T155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 74.707269][ T155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 74.719945][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 74.744948][ T155] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 74.752998][ T155] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 74.760584][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 76.794551][ T4261] chnl_net:caif_netlink_parms(): no params data found
[ 76.841256][ T4261] bridge0: port 1(bridge_slave_0) entered blocking state
[ 76.849119][ T4261] bridge0: port 1(bridge_slave_0) entered disabled state
[ 76.857263][ T4261] device bridge_slave_0 entered promiscuous mode
[ 76.867152][ T4261] bridge0: port 2(bridge_slave_1) entered blocking state
[ 76.874614][ T4261] bridge0: port 2(bridge_slave_1) entered disabled state
[ 76.882875][ T4261] device bridge_slave_1 entered promiscuous mode
[ 76.902986][ T4261] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 76.913909][ T4261] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 76.935783][ T4261] team0: Port device team_slave_0 added
[ 76.943887][ T4261] team0: Port device team_slave_1 added
[ 76.961039][ T4261] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 76.968054][ T4261] 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.
[ 76.994502][ T4261] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 77.007742][ T4261] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 77.015263][ T4261] 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.
[ 77.042068][ T4261] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 77.073745][ T4261] device hsr_slave_0 entered promiscuous mode
[ 77.080478][ T4261] device hsr_slave_1 entered promiscuous mode
[ 77.179012][ T4261] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 77.208751][ T4261] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 77.217870][ T4261] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 77.227268][ T4261] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 77.249417][ T4261] bridge0: port 2(bridge_slave_1) entered blocking state
[ 77.256670][ T4261] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 77.264733][ T4261] bridge0: port 1(bridge_slave_0) entered blocking state
[ 77.271848][ T4261] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 77.336832][ T4261] 8021q: adding VLAN 0 to HW filter on device bond0
[ 77.371427][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 77.381228][ T155] bridge0: port 1(bridge_slave_0) entered disabled state
[ 77.390657][ T155] bridge0: port 2(bridge_slave_1) entered disabled state
[ 77.399041][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 77.413712][ T4261] 8021q: adding VLAN 0 to HW filter on device team0
[ 77.446239][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 77.455341][ T155] bridge0: port 1(bridge_slave_0) entered blocking state
[ 77.462454][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 77.495770][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 77.504955][ T9] bridge0: port 2(bridge_slave_1) entered blocking state
[ 77.512070][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 77.525913][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 77.535449][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 77.547993][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 77.579422][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 77.593743][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 77.624789][ T4261] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 77.740131][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 77.748821][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 77.762176][ T4261] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 77.798813][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 77.808200][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 77.827451][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 77.836605][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 77.846152][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 77.854256][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 77.864918][ T4261] device veth0_vlan entered promiscuous mode
[ 77.879331][ T4261] device veth1_vlan entered promiscuous mode
[ 77.921151][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 77.929920][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 77.939480][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 77.948145][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 77.960334][ T4261] device veth0_macvtap entered promiscuous mode
[ 77.980084][ T4261] device veth1_macvtap entered promiscuous mode
[ 78.016787][ T4261] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 78.025714][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 78.038660][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 78.047866][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 78.057217][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 78.069116][ T4261] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 78.079544][ T4261] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 78.088579][ T4261] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 78.098627][ T4261] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 78.107520][ T4261] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 78.118848][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 78.128006][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 78.272931][ T4261] syz-executor (4261) used greatest stack depth: 20888 bytes left
2026/06/09 03:28:32 executed programs: 0
[ 79.556937][ T4304] chnl_net:caif_netlink_parms(): no params data found
[ 79.616220][ T4304] bridge0: port 1(bridge_slave_0) entered blocking state
[ 79.623652][ T4304] bridge0: port 1(bridge_slave_0) entered disabled state
[ 79.632179][ T4304] device bridge_slave_0 entered promiscuous mode
[ 79.640675][ T4304] bridge0: port 2(bridge_slave_1) entered blocking state
[ 79.648156][ T4304] bridge0: port 2(bridge_slave_1) entered disabled state
[ 79.657501][ T4304] device bridge_slave_1 entered promiscuous mode
[ 79.684302][ T4304] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 79.696122][ T4304] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 79.726911][ T4304] team0: Port device team_slave_0 added
[ 79.735541][ T4304] team0: Port device team_slave_1 added
[ 79.756058][ T4304] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 79.763356][ T4304] 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.
[ 79.789954][ T4304] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 79.809171][ T4304] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 79.817256][ T4304] 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.
[ 79.843583][ T4304] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 79.879520][ T4304] device hsr_slave_0 entered promiscuous mode
[ 79.887403][ T4304] device hsr_slave_1 entered promiscuous mode
[ 79.894550][ T4304] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 79.902799][ T4304] Cannot create hsr debugfs directory
[ 79.990131][ T4304] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 81.482505][ T4265] Bluetooth: hci0: command 0x0409 tx timeout
[ 83.548462][ T4304] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 83.559028][ T4319] Bluetooth: hci0: command 0x041b tx timeout
[ 83.606945][ T4304] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 83.669422][ T4304] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 83.767368][ T4304] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 83.776883][ T4304] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 83.786596][ T4304] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 83.810340][ T4304] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 83.868392][ T4304] 8021q: adding VLAN 0 to HW filter on device bond0
[ 83.881249][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 83.889479][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 83.899852][ T4304] 8021q: adding VLAN 0 to HW filter on device team0
[ 83.920861][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 83.930735][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 83.939685][ T155] bridge0: port 1(bridge_slave_0) entered blocking state
[ 83.946805][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 83.957920][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 83.966571][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 83.976064][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 83.984546][ T155] bridge0: port 2(bridge_slave_1) entered blocking state
[ 83.991696][ T155] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 84.003337][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 84.017166][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 84.047366][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 84.059044][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 84.067763][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 84.080416][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 84.090518][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 84.120520][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 84.129023][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 84.140050][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 84.148749][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 84.159037][ T4304] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 84.269429][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 84.277560][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 84.289346][ T4304] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 84.308539][ T1274] device hsr_slave_0 left promiscuous mode
[ 84.316324][ T1274] device hsr_slave_1 left promiscuous mode
[ 84.323375][ T1274] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 84.330801][ T1274] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 84.339641][ T1274] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 84.347593][ T1274] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 84.356295][ T1274] device bridge_slave_1 left promiscuous mode
[ 84.363847][ T1274] bridge0: port 2(bridge_slave_1) entered disabled state
[ 84.377705][ T1274] device bridge_slave_0 left promiscuous mode
[ 84.385690][ T1274] bridge0: port 1(bridge_slave_0) entered disabled state
[ 84.403108][ T1274] device veth1_macvtap left promiscuous mode
[ 84.409291][ T1274] device veth0_macvtap left promiscuous mode
[ 84.415586][ T1274] device veth1_vlan left promiscuous mode
[ 84.421486][ T1274] device veth0_vlan left promiscuous mode
[ 84.590556][ T1274] team0 (unregistering): Port device team_slave_1 removed
[ 84.605923][ T1274] team0 (unregistering): Port device team_slave_0 removed
[ 84.620091][ T1274] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 84.633819][ T1274] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 84.691574][ T1274] bond0 (unregistering): Released all slaves
[ 84.764472][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 84.773686][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 84.786348][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 84.795032][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 84.805691][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 84.813530][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 84.823769][ T4304] device veth0_vlan entered promiscuous mode
[ 84.837532][ T4304] device veth1_vlan entered promiscuous mode
[ 84.869283][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 84.877379][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 84.886021][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 84.894917][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 84.906424][ T4304] device veth0_macvtap entered promiscuous mode
[ 84.917855][ T4304] device veth1_macvtap entered promiscuous mode
[ 84.936128][ T4304] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 84.947313][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 84.956141][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 84.966485][ T4304] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 84.974231][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 84.983200][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 84.996197][ T4304] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 85.005688][ T4304] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 85.015089][ T4304] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 85.023884][ T4304] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 85.087661][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 85.096927][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 85.109304][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 85.136595][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 85.144619][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 85.154856][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 85.225104][ T4325]
[ 85.227593][ T4325] =============================
[ 85.236236][ T4325] WARNING: suspicious RCU usage
[ 85.241140][ T4325] syzkaller #0 Not tainted
[ 85.245820][ T4325] -----------------------------
[ 85.250797][ T4325] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage!
[ 85.259803][ T4325]
[ 85.259803][ T4325] other info that might help us debug this:
[ 85.259803][ T4325]
[ 85.270681][ T4325]
[ 85.270681][ T4325] rcu_scheduler_active = 2, debug_locks = 1
[ 85.279148][ T4325] 1 lock held by syz.0.17/4325:
[ 85.284322][ T4325] #0: ffffffff8c31f4e0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 85.295087][ T4325]
[ 85.295087][ T4325] stack backtrace:
[ 85.301022][ T4325] CPU: 1 PID: 4325 Comm: syz.0.17 Not tainted syzkaller #0
[ 85.308247][ T4325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 85.318476][ T4325] Call Trace:
[ 85.321785][ T4325]
[ 85.324740][ T4325] dump_stack_lvl+0x188/0x250
[ 85.329461][ T4325] ? load_image+0x400/0x400
[ 85.333995][ T4325] ? show_regs_print_info+0x20/0x20
[ 85.339222][ T4325] ? print_tainted+0x148/0x170
[ 85.344030][ T4325] ? lockdep_rcu_suspicious+0x110/0x180
[ 85.349616][ T4325] get_callchain_entry+0x2a5/0x3b0
[ 85.354919][ T4325] get_perf_callchain+0xab/0x460
[ 85.359901][ T4325] ? put_callchain_entry+0xb0/0xb0
[ 85.365131][ T4325] ? mark_lock+0x94/0x320
[ 85.369488][ T4325] ? verify_lock_unused+0x140/0x140
[ 85.374714][ T4325] ? __lock_acquire+0x13bc/0x7d10
[ 85.379781][ T4325] __bpf_get_stack+0x2db/0x530
[ 85.384585][ T4325] ? stack_map_get_build_id_offset+0x860/0x860
[ 85.390930][ T4325] ? __cant_sleep+0x220/0x220
[ 85.395676][ T4325] ? bpf_prog_b8a90dd1efcc4ad9+0x3d/0x8cc
[ 85.401427][ T4325] bpf_get_stack_raw_tp+0x189/0x1c0
[ 85.406662][ T4325] bpf_prog_b8a90dd1efcc4ad9+0x3d/0x8cc
[ 85.412244][ T4325] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 85.417660][ T4325] bpf_prog_test_run_syscall+0x35a/0x4f0
[ 85.423328][ T4325] ? sock_gen_cookie+0x60/0x60
[ 85.428121][ T4325] ? __fdget+0x150/0x210
[ 85.432389][ T4325] ? sock_gen_cookie+0x60/0x60
[ 85.437179][ T4325] bpf_prog_test_run+0x31e/0x390
[ 85.442193][ T4325] __sys_bpf+0x5a5/0x6f0
[ 85.446467][ T4325] ? bpf_link_show_fdinfo+0x380/0x380
[ 85.451872][ T4325] ? vtime_user_exit+0x2c8/0x3e0
[ 85.456849][ T4325] __x64_sys_bpf+0x78/0x90
[ 85.461297][ T4325] do_syscall_64+0x4c/0xa0
[ 85.465743][ T4325] ? clear_bhb_loop+0x30/0x80
[ 85.470447][ T4325] ? clear_bhb_loop+0x30/0x80
[ 85.475154][ T4325] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 85.481089][ T4325] RIP: 0033:0x7fb41b46ee59
[ 85.485532][ T4325] 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
[ 85.505161][ T4325] RSP: 002b:00007ffe003f7d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 85.513600][ T4325] RAX: ffffffffffffffda RBX: 00007fb41b6e7fa0 RCX: 00007fb41b46ee59
[ 85.521619][ T4325] RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a
[ 85.529617][ T4325] RBP: 00007fb41b504d6f R08: 0000000000000000 R09: 0000000000000000
[ 85.537605][ T4325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 85.545597][ T4325] R13: 00007fb41b6e7fac R14: 00007fb41b6e7fa0 R15: 00007fb41b6e7fa0
[ 85.553614][ T4325]
[ 85.566169][ T4325]
[ 85.568541][ T4325] =============================
[ 85.573944][ T4325] WARNING: suspicious RCU usage
[ 85.578911][ T4325] syzkaller #0 Not tainted
[ 85.583681][ T4325] -----------------------------
[ 85.588563][ T4325] include/linux/perf_event.h:1274 suspicious rcu_dereference_check() usage!
[ 85.599126][ T4325]
[ 85.599126][ T4325] other info that might help us debug this:
[ 85.599126][ T4325]
[ 85.609867][ T4325]
[ 85.609867][ T4325] rcu_scheduler_active = 2, debug_locks = 1
[ 85.618308][ T4325] 1 lock held by syz.0.17/4325:
[ 85.623494][ T4325] #0: ffffffff8c31f4e0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 85.634245][ T4317] Bluetooth: hci0: command 0x040f tx timeout
[ 85.640486][ T4325]
[ 85.640486][ T4325] stack backtrace:
[ 85.647280][ T4325] CPU: 1 PID: 4325 Comm: syz.0.17 Not tainted syzkaller #0
[ 85.654524][ T4325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 85.664609][ T4325] Call Trace:
[ 85.667911][ T4325]
[ 85.670878][ T4325] dump_stack_lvl+0x188/0x250
[ 85.675580][ T4325] ? load_image+0x400/0x400
[ 85.680110][ T4325] ? show_regs_print_info+0x20/0x20
[ 85.685335][ T4325] ? print_tainted+0x148/0x170
[ 85.690148][ T4325] ? lockdep_rcu_suspicious+0x110/0x180
[ 85.695719][ T4325] perf_callchain_user+0x3d6/0xfd0
[ 85.700868][ T4325] ? get_callchain_entry+0x181/0x3b0
[ 85.706183][ T4325] get_perf_callchain+0x33d/0x460
[ 85.711256][ T4325] ? put_callchain_entry+0xb0/0xb0
[ 85.716431][ T4325] ? mark_lock+0x94/0x320
[ 85.720792][ T4325] ? verify_lock_unused+0x140/0x140
[ 85.726036][ T4325] ? __lock_acquire+0x13bc/0x7d10
[ 85.731092][ T4325] __bpf_get_stack+0x2db/0x530
[ 85.735897][ T4325] ? stack_map_get_build_id_offset+0x860/0x860
[ 85.742084][ T4325] ? __cant_sleep+0x220/0x220
[ 85.746782][ T4325] ? bpf_prog_b8a90dd1efcc4ad9+0x3d/0x8cc
[ 85.752525][ T4325] bpf_get_stack_raw_tp+0x189/0x1c0
[ 85.757754][ T4325] bpf_prog_b8a90dd1efcc4ad9+0x3d/0x8cc
[ 85.763330][ T4325] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 85.768740][ T4325] bpf_prog_test_run_syscall+0x35a/0x4f0
[ 85.774432][ T4325] ? sock_gen_cookie+0x60/0x60
[ 85.779239][ T4325] ? __fdget+0x150/0x210
[ 85.783523][ T4325] ? sock_gen_cookie+0x60/0x60
[ 85.788354][ T4325] bpf_prog_test_run+0x31e/0x390
[ 85.793355][ T4325] __sys_bpf+0x5a5/0x6f0
[ 85.797633][ T4325] ? bpf_link_show_fdinfo+0x380/0x380
[ 85.803043][ T4325] ? vtime_user_exit+0x2c8/0x3e0
[ 85.808021][ T4325] __x64_sys_bpf+0x78/0x90
[ 85.812502][ T4325] do_syscall_64+0x4c/0xa0
[ 85.816957][ T4325] ? clear_bhb_loop+0x30/0x80
[ 85.821666][ T4325] ? clear_bhb_loop+0x30/0x80
[ 85.826374][ T4325] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 85.832295][ T4325] RIP: 0033:0x7fb41b46ee59
[ 85.836734][ T4325] 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
[ 85.856530][ T4325] RSP: 002b:00007ffe003f7d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 85.864994][ T4325] RAX: ffffffffffffffda RBX: 00007fb41b6e7fa0 RCX: 00007fb41b46ee59
[ 85.872999][ T4325] RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a
[ 85.881004][ T4325] RBP: 00007fb41b504d6f R08: 0000000000000000 R09: 0000000000000000
[ 85.889014][ T4325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 85.897008][ T4325] R13: 00007fb41b6e7fac R14: 00007fb41b6e7fa0 R15: 00007fb41b6e7fa0
[ 85.905044][ T4325]