Warning: Permanently added '10.128.1.229' (ED25519) to the list of known hosts.
2025/07/30 02:52:22 ignoring optional flag "sandboxArg"="0"
2025/07/30 02:52:23 parsed 1 programs
[ 56.409868][ T4189] cgroup: Unknown subsys name 'net'
[ 56.538118][ T4189] cgroup: Unknown subsys name 'rlimit'
[ 57.860273][ T4189] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 59.601843][ T4207] chnl_net:caif_netlink_parms(): no params data found
[ 59.646918][ T4207] bridge0: port 1(bridge_slave_0) entered blocking state
[ 59.654719][ T4207] bridge0: port 1(bridge_slave_0) entered disabled state
[ 59.662655][ T4207] device bridge_slave_0 entered promiscuous mode
[ 59.671012][ T4207] bridge0: port 2(bridge_slave_1) entered blocking state
[ 59.678174][ T4207] bridge0: port 2(bridge_slave_1) entered disabled state
[ 59.685838][ T4207] device bridge_slave_1 entered promiscuous mode
[ 59.708719][ T4207] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 59.719758][ T4207] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 59.742198][ T4207] team0: Port device team_slave_0 added
[ 59.751987][ T4207] team0: Port device team_slave_1 added
[ 59.769541][ T4207] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 59.776532][ T4207] 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.
[ 59.802495][ T4207] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 59.816146][ T4207] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 59.823304][ T4207] 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.
[ 59.849358][ T4207] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 59.881090][ T4207] device hsr_slave_0 entered promiscuous mode
[ 59.888105][ T4207] device hsr_slave_1 entered promiscuous mode
[ 59.989611][ T4207] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 60.000766][ T4207] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 60.011104][ T4207] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 60.020878][ T4207] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 60.050553][ T4207] bridge0: port 2(bridge_slave_1) entered blocking state
[ 60.057773][ T4207] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 60.065486][ T4207] bridge0: port 1(bridge_slave_0) entered blocking state
[ 60.072607][ T4207] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 60.129441][ T4207] 8021q: adding VLAN 0 to HW filter on device bond0
[ 60.144197][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 60.155782][ T1240] bridge0: port 1(bridge_slave_0) entered disabled state
[ 60.165242][ T1240] bridge0: port 2(bridge_slave_1) entered disabled state
[ 60.175665][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 60.189047][ T4207] 8021q: adding VLAN 0 to HW filter on device team0
[ 60.202100][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 60.211021][ T1240] bridge0: port 1(bridge_slave_0) entered blocking state
[ 60.218126][ T1240] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 60.237178][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 60.246993][ T1240] bridge0: port 2(bridge_slave_1) entered blocking state
[ 60.254080][ T1240] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 60.274443][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 60.284191][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 60.292987][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 60.305896][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 60.319015][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 60.331094][ T4207] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 60.441524][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 60.450444][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 60.463510][ T4207] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 60.484862][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 60.506276][ T1166] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 60.515789][ T1166] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 60.523908][ T1166] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 60.533680][ T4207] device veth0_vlan entered promiscuous mode
[ 60.544905][ T4207] device veth1_vlan entered promiscuous mode
[ 60.568058][ T1166] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 60.576282][ T1166] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 60.585551][ T1166] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 60.597585][ T4207] device veth0_macvtap entered promiscuous mode
[ 60.609258][ T4207] device veth1_macvtap entered promiscuous mode
[ 60.626317][ T4207] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 60.638571][ T4207] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 60.646356][ T1166] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 60.655065][ T1166] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 60.664896][ T1166] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 60.673730][ T1166] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 60.685851][ T4207] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 60.694946][ T4207] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 60.704069][ T4207] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 60.712900][ T4207] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 61.240484][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 61.696693][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 61.711011][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 61.720908][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 61.729768][ T1240] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 61.738067][ T1240] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 61.746946][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 63.357993][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 65.687846][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 65.739754][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
2025/07/30 02:52:36 executed programs: 0
[ 66.867858][ T4317] chnl_net:caif_netlink_parms(): no params data found
[ 66.885776][ T9] device hsr_slave_0 left promiscuous mode
[ 66.892739][ T9] device hsr_slave_1 left promiscuous mode
[ 66.899254][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 66.908077][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 66.917388][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 66.926004][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 66.933909][ T9] device bridge_slave_1 left promiscuous mode
[ 66.940707][ T9] bridge0: port 2(bridge_slave_1) entered disabled state
[ 66.957460][ T9] device bridge_slave_0 left promiscuous mode
[ 66.966090][ T9] bridge0: port 1(bridge_slave_0) entered disabled state
[ 66.985952][ T9] device veth1_macvtap left promiscuous mode
[ 66.992184][ T9] device veth0_macvtap left promiscuous mode
[ 67.001066][ T9] device veth1_vlan left promiscuous mode
[ 67.007553][ T9] device veth0_vlan left promiscuous mode
[ 67.157342][ T9] team0 (unregistering): Port device team_slave_1 removed
[ 67.168836][ T9] team0 (unregistering): Port device team_slave_0 removed
[ 67.181284][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 67.197907][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 67.248314][ T9] bond0 (unregistering): Released all slaves
[ 67.373669][ T4317] bridge0: port 1(bridge_slave_0) entered blocking state
[ 67.387751][ T4317] bridge0: port 1(bridge_slave_0) entered disabled state
[ 67.397156][ T4317] device bridge_slave_0 entered promiscuous mode
[ 67.405441][ T4317] bridge0: port 2(bridge_slave_1) entered blocking state
[ 67.413202][ T4317] bridge0: port 2(bridge_slave_1) entered disabled state
[ 67.420828][ T4317] device bridge_slave_1 entered promiscuous mode
[ 67.471378][ T4317] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 67.483871][ T4317] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 67.526770][ T4317] team0: Port device team_slave_0 added
[ 67.539044][ T4317] team0: Port device team_slave_1 added
[ 67.571399][ T4317] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 67.579082][ T4317] 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.
[ 67.605392][ T4317] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 67.634362][ T4317] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 67.641398][ T4317] 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.
[ 67.683382][ T4317] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 67.749145][ T4317] device hsr_slave_0 entered promiscuous mode
[ 67.773579][ T4317] device hsr_slave_1 entered promiscuous mode
[ 68.314544][ T4317] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 68.334815][ T4317] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 68.358652][ T4317] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 68.374588][ T4317] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 68.516806][ T4317] 8021q: adding VLAN 0 to HW filter on device bond0
[ 68.537802][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 68.564028][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 68.574477][ T4317] 8021q: adding VLAN 0 to HW filter on device team0
[ 68.594184][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 68.613232][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 68.625319][ T1240] bridge0: port 1(bridge_slave_0) entered blocking state
[ 68.632460][ T1240] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 68.641942][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 68.655036][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 68.669388][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 68.697902][ T1240] bridge0: port 2(bridge_slave_1) entered blocking state
[ 68.705005][ T1240] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 68.716628][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 68.747930][ T1240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 68.774650][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 68.785209][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 68.793027][ T1110] Bluetooth: hci0: command 0x0409 tx timeout
[ 68.800284][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 68.811647][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 68.820603][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 68.831194][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 68.840110][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 68.849828][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 68.860621][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 68.870237][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 69.115198][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 69.123573][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 69.135798][ T4317] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 69.176433][ T1166] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 69.187003][ T1166] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 69.217167][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 69.225946][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 69.234662][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 69.246522][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 69.255008][ T4317] device veth0_vlan entered promiscuous mode
[ 69.274624][ T4317] device veth1_vlan entered promiscuous mode
[ 69.338016][ T4317] device veth0_macvtap entered promiscuous mode
[ 69.346124][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 69.354511][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 69.368828][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 69.383996][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 69.392766][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 69.410672][ T4317] device veth1_macvtap entered promiscuous mode
[ 69.435187][ T4317] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 69.443361][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 69.453198][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 69.461757][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 69.477711][ T4317] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 69.491899][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 69.508265][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 69.530998][ T4317] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.540359][ T4317] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.549377][ T4317] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.558800][ T4317] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.641122][ T4404] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 69.654822][ T4404] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 69.679912][ T4404] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 69.679960][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 69.696708][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 69.705893][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 69.761550][ T4431]
[ 69.764328][ T4431] =============================
[ 69.769343][ T4431] WARNING: suspicious RCU usage
[ 69.775965][ T4431] 5.15.189-syzkaller #0 Not tainted
[ 69.781246][ T4431] -----------------------------
[ 69.787391][ T4431] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage!
[ 69.796198][ T4431]
[ 69.796198][ T4431] other info that might help us debug this:
[ 69.796198][ T4431]
[ 69.807386][ T4431]
[ 69.807386][ T4431] rcu_scheduler_active = 2, debug_locks = 1
[ 69.815821][ T4431] 1 lock held by syz.0.16/4431:
[ 69.820748][ T4431] #0: ffffffff8c11c4e0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 69.842780][ T4431]
[ 69.842780][ T4431] stack backtrace:
[ 69.848687][ T4431] CPU: 0 PID: 4431 Comm: syz.0.16 Not tainted 5.15.189-syzkaller #0
[ 69.856659][ T4431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 69.866740][ T4431] Call Trace:
[ 69.870029][ T4431]
[ 69.872974][ T4431] dump_stack_lvl+0x168/0x230
[ 69.877677][ T4431] ? load_image+0x3b0/0x3b0
[ 69.882205][ T4431] ? show_regs_print_info+0x20/0x20
[ 69.887434][ T4431] ? lockdep_rcu_suspicious+0x110/0x180
[ 69.893015][ T4431] get_callchain_entry+0x2a5/0x3b0
[ 69.898153][ T4431] get_perf_callchain+0x9f/0x480
[ 69.903124][ T4431] ? put_callchain_entry+0xb0/0xb0
[ 69.908256][ T4431] ? mark_lock+0x94/0x320
[ 69.912641][ T4431] ? verify_lock_unused+0x140/0x140
[ 69.917867][ T4431] ? __lock_acquire+0x13ad/0x7c60
[ 69.922921][ T4431] __bpf_get_stack+0x2cb/0x4f0
[ 69.927721][ T4431] ? stack_map_get_build_id_offset+0x860/0x860
[ 69.933904][ T4431] ? __cant_sleep+0x210/0x210
[ 69.938603][ T4431] ? bpf_prog_b8a90dd1efcc4ad9+0x3d/0xb9c
[ 69.944346][ T4431] bpf_get_stack_raw_tp+0x189/0x1c0
[ 69.949580][ T4431] bpf_prog_b8a90dd1efcc4ad9+0x3d/0xb9c
[ 69.955147][ T4431] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 69.960544][ T4431] bpf_prog_test_run_syscall+0x354/0x4e0
[ 69.966201][ T4431] ? sock_gen_cookie+0x60/0x60
[ 69.970991][ T4431] ? __fdget+0x150/0x210
[ 69.975244][ T4431] ? sock_gen_cookie+0x60/0x60
[ 69.980022][ T4431] bpf_prog_test_run+0x31e/0x390
[ 69.984978][ T4431] __sys_bpf+0x535/0x670
[ 69.989241][ T4431] ? bpf_link_show_fdinfo+0x340/0x340
[ 69.994643][ T4431] ? vtime_user_exit+0x2dc/0x400
[ 69.999609][ T4431] __x64_sys_bpf+0x78/0x90
[ 70.004043][ T4431] do_syscall_64+0x4c/0xa0
[ 70.008478][ T4431] ? clear_bhb_loop+0x30/0x80
[ 70.013170][ T4431] ? clear_bhb_loop+0x30/0x80
[ 70.017875][ T4431] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 70.023813][ T4431] RIP: 0033:0x7f8db1cf19a9
[ 70.028242][ T4431] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
[ 70.047889][ T4431] RSP: 002b:00007fff35723d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 70.056327][ T4431] RAX: ffffffffffffffda RBX: 00007f8db1f18fa0 RCX: 00007f8db1cf19a9
[ 70.064321][ T4431] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a
[ 70.072306][ T4431] RBP: 00007f8db1d73d69 R08: 0000000000000000 R09: 0000000000000000
[ 70.080287][ T4431] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 70.088267][ T4431] R13: 00007f8db1f18fa0 R14: 00007f8db1f18fa0 R15: 0000000000000003
[ 70.096291][ T4431]
[ 70.108916][ T4431]
[ 70.111268][ T4431] =============================
[ 70.116835][ T4431] WARNING: suspicious RCU usage
[ 70.121694][ T4431] 5.15.189-syzkaller #0 Not tainted
[ 70.128838][ T4431] -----------------------------
[ 70.135124][ T4431] include/linux/perf_event.h:1274 suspicious rcu_dereference_check() usage!
[ 70.146012][ T4431]
[ 70.146012][ T4431] other info that might help us debug this:
[ 70.146012][ T4431]
[ 70.157905][ T4431]
[ 70.157905][ T4431] rcu_scheduler_active = 2, debug_locks = 1
[ 70.167469][ T4431] 1 lock held by syz.0.16/4431:
[ 70.172633][ T4431] #0: ffffffff8c11c4e0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 70.183845][ T4431]
[ 70.183845][ T4431] stack backtrace:
[ 70.189754][ T4431] CPU: 0 PID: 4431 Comm: syz.0.16 Not tainted 5.15.189-syzkaller #0
[ 70.197749][ T4431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 70.207824][ T4431] Call Trace:
[ 70.211116][ T4431]
[ 70.214051][ T4431] dump_stack_lvl+0x168/0x230
[ 70.218745][ T4431] ? show_regs_print_info+0x20/0x20
[ 70.223965][ T4431] ? lockdep_rcu_suspicious+0x110/0x180
[ 70.229529][ T4431] perf_callchain_user+0x6d3/0x10e0
[ 70.234751][ T4431] ? get_callchain_entry+0x181/0x3b0
[ 70.240061][ T4431] get_perf_callchain+0x35d/0x480
[ 70.245096][ T4431] ? put_callchain_entry+0xb0/0xb0
[ 70.250217][ T4431] ? mark_lock+0x94/0x320
[ 70.254562][ T4431] ? verify_lock_unused+0x140/0x140
[ 70.259770][ T4431] ? __lock_acquire+0x13ad/0x7c60
[ 70.264812][ T4431] __bpf_get_stack+0x2cb/0x4f0
[ 70.269599][ T4431] ? stack_map_get_build_id_offset+0x860/0x860
[ 70.275768][ T4431] ? __cant_sleep+0x210/0x210
[ 70.280475][ T4431] ? bpf_prog_b8a90dd1efcc4ad9+0x3d/0xb9c
[ 70.286214][ T4431] bpf_get_stack_raw_tp+0x189/0x1c0
[ 70.291433][ T4431] bpf_prog_b8a90dd1efcc4ad9+0x3d/0xb9c
[ 70.296992][ T4431] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 70.302387][ T4431] bpf_prog_test_run_syscall+0x354/0x4e0
[ 70.308036][ T4431] ? sock_gen_cookie+0x60/0x60
[ 70.312822][ T4431] ? __fdget+0x150/0x210
[ 70.317077][ T4431] ? sock_gen_cookie+0x60/0x60
[ 70.321877][ T4431] bpf_prog_test_run+0x31e/0x390
[ 70.326834][ T4431] __sys_bpf+0x535/0x670
[ 70.331096][ T4431] ? bpf_link_show_fdinfo+0x340/0x340
[ 70.336498][ T4431] ? vtime_user_exit+0x2dc/0x400
[ 70.341464][ T4431] __x64_sys_bpf+0x78/0x90
[ 70.345902][ T4431] do_syscall_64+0x4c/0xa0
[ 70.350340][ T4431] ? clear_bhb_loop+0x30/0x80
[ 70.355052][ T4431] ? clear_bhb_loop+0x30/0x80
[ 70.359761][ T4431] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 70.365684][ T4431] RIP: 0033:0x7f8db1cf19a9
[ 70.370122][ T4431] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
[ 70.389744][ T4431] RSP: 002b:00007fff35723d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 70.398179][ T4431] RAX: ffffffffffffffda RBX: 00007f8db1f18fa0 RCX: 00007f8db1cf19a9
[ 70.406184][ T4431] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a
[ 70.414180][ T4431] RBP: 00007f8db1d73d69 R08: 0000000000000000 R09: 0000000000000000
[ 70.422176][ T4431] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 70.430158][ T4431] R13: 00007f8db1f18fa0 R14: 00007f8db1f18fa0 R15: 0000000000000003
[ 70.438186][ T4431]