Warning: Permanently added '10.128.1.218' (ED25519) to the list of known hosts. 2025/09/04 08:26:02 parsed 1 programs [ 66.679271][ T4189] cgroup: Unknown subsys name 'net' [ 66.804398][ T4189] cgroup: Unknown subsys name 'rlimit' [ 68.348551][ T4189] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 71.422601][ T1425] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.429642][ T1425] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.667896][ T4229] chnl_net:caif_netlink_parms(): no params data found [ 71.741775][ T4229] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.754630][ T4229] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.767228][ T4229] device bridge_slave_0 entered promiscuous mode [ 71.777882][ T4229] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.785072][ T4229] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.793641][ T4229] device bridge_slave_1 entered promiscuous mode [ 71.820129][ T4229] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.831928][ T4229] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.860543][ T4229] team0: Port device team_slave_0 added [ 71.869702][ T4229] team0: Port device team_slave_1 added [ 71.894565][ T4229] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.901942][ T4229] 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. [ 71.928291][ T4229] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.941482][ T4229] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.948656][ T4229] 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. [ 71.975458][ T4229] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.008612][ T4229] device hsr_slave_0 entered promiscuous mode [ 72.016094][ T4229] device hsr_slave_1 entered promiscuous mode [ 72.246810][ T4229] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.258848][ T4229] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.269296][ T4229] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.279168][ T4229] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.340705][ T4229] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.353592][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.363735][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.376147][ T4229] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.386305][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.396210][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.406008][ T3064] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.413477][ T3064] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.423417][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.434766][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.444539][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.453101][ T3064] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.460247][ T3064] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.493539][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.504278][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.516540][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.526388][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.536632][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.563818][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.572830][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.584142][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.592845][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.606534][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.615531][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.628370][ T4229] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.741766][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.749964][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.765889][ T4229] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.802939][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.812507][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.850967][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.859554][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.870075][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.878795][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.889505][ T4229] device veth0_vlan entered promiscuous mode [ 72.919478][ T4229] device veth1_vlan entered promiscuous mode [ 72.939473][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.948996][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.957601][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 72.967473][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 72.979889][ T4229] device veth0_macvtap entered promiscuous mode [ 73.003100][ T4229] device veth1_macvtap entered promiscuous mode [ 73.019228][ T4229] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.026883][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.036657][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.045393][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.071604][ T4229] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.079496][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.088579][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.101829][ T4229] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.111717][ T4229] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.120863][ T4229] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.129947][ T4229] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.355467][ T3064] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.376434][ T3064] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.387262][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.396411][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.400098][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 73.414202][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/09/04 08:26:12 executed programs: 0 [ 74.661557][ T4295] chnl_net:caif_netlink_parms(): no params data found [ 74.715049][ T4295] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.723046][ T4295] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.731119][ T4295] device bridge_slave_0 entered promiscuous mode [ 74.740306][ T4295] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.747470][ T4295] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.755586][ T4295] device bridge_slave_1 entered promiscuous mode [ 74.783499][ T4295] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.795615][ T4295] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.824159][ T4295] team0: Port device team_slave_0 added [ 74.833150][ T4295] team0: Port device team_slave_1 added [ 74.854570][ T4295] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 74.870083][ T4295] 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. [ 74.897197][ T4295] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 74.911994][ T4295] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 74.919825][ T4295] 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. [ 74.947306][ T4295] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 74.985639][ T4295] device hsr_slave_0 entered promiscuous mode [ 74.992587][ T4295] device hsr_slave_1 entered promiscuous mode [ 75.000241][ T4295] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 75.008738][ T4295] Cannot create hsr debugfs directory [ 75.091672][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.539748][ T2301] Bluetooth: hci0: command 0x0409 tx timeout [ 78.416767][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.466864][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.526565][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.628176][ T13] Bluetooth: hci0: command 0x041b tx timeout [ 79.453742][ T4295] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 79.465639][ T4295] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 79.482572][ T4295] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 79.492778][ T4295] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 79.561006][ T4295] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.592219][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 79.600714][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.611670][ T4295] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.622541][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 79.631895][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.641526][ T667] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.648670][ T667] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.656885][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 79.689694][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 79.699034][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.707814][ T667] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.714985][ T667] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.726404][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 79.741128][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 79.770478][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 79.779788][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.791930][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 79.800812][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 79.810913][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.823422][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 79.832194][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 79.857074][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 79.866087][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 79.877610][ T4295] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.002336][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 80.010204][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 80.027902][ T4295] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.042271][ T9] device hsr_slave_0 left promiscuous mode [ 80.049342][ T9] device hsr_slave_1 left promiscuous mode [ 80.056295][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 80.065031][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 80.073973][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 80.081801][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 80.090024][ T9] device bridge_slave_1 left promiscuous mode [ 80.097235][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.112398][ T9] device bridge_slave_0 left promiscuous mode [ 80.118881][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.136859][ T9] device veth1_macvtap left promiscuous mode [ 80.143652][ T9] device veth0_macvtap left promiscuous mode [ 80.150701][ T9] device veth1_vlan left promiscuous mode [ 80.156671][ T9] device veth0_vlan left promiscuous mode [ 80.326224][ T9] team0 (unregistering): Port device team_slave_1 removed [ 80.343014][ T9] team0 (unregistering): Port device team_slave_0 removed [ 80.356541][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 80.371414][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 80.429701][ T9] bond0 (unregistering): Released all slaves [ 80.503343][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 80.512742][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 80.531609][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 80.541141][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 80.552095][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 80.560422][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 80.572297][ T4295] device veth0_vlan entered promiscuous mode [ 80.584477][ T4295] device veth1_vlan entered promiscuous mode [ 80.612958][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 80.621345][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 80.631511][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 80.641362][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 80.652621][ T4295] device veth0_macvtap entered promiscuous mode [ 80.670044][ T4295] device veth1_macvtap entered promiscuous mode [ 80.691481][ T4295] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 80.699849][ T2301] Bluetooth: hci0: command 0x040f tx timeout [ 80.701897][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 80.714746][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 80.723011][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 80.731827][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 80.744326][ T4295] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 80.754613][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 80.763952][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 80.783716][ T4295] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.792859][ T4295] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.802230][ T4295] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.811450][ T4295] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.873780][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.889948][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.901179][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 80.911722][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.920095][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.937646][ T667] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 81.003559][ T4355] [ 81.006291][ T4355] ============================= [ 81.013543][ T4355] WARNING: suspicious RCU usage [ 81.019790][ T4355] syzkaller #0 Not tainted [ 81.025521][ T4355] ----------------------------- [ 81.031393][ T4355] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage! [ 81.040390][ T4355] [ 81.040390][ T4355] other info that might help us debug this: [ 81.040390][ T4355] [ 81.051186][ T4355] [ 81.051186][ T4355] rcu_scheduler_active = 2, debug_locks = 1 [ 81.060489][ T4355] 1 lock held by syz.0.17/4355: [ 81.065620][ T4355] #0: ffffffff8c11c5e0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30 [ 81.076310][ T4355] [ 81.076310][ T4355] stack backtrace: [ 81.082956][ T4355] CPU: 1 PID: 4355 Comm: syz.0.17 Not tainted syzkaller #0 [ 81.090178][ T4355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 81.100361][ T4355] Call Trace: [ 81.103751][ T4355] [ 81.106697][ T4355] dump_stack_lvl+0x168/0x230 [ 81.111407][ T4355] ? load_image+0x3b0/0x3b0 [ 81.116067][ T4355] ? show_regs_print_info+0x20/0x20 [ 81.121316][ T4355] ? lockdep_rcu_suspicious+0x110/0x180 [ 81.126897][ T4355] get_callchain_entry+0x2a5/0x3b0 [ 81.132136][ T4355] get_perf_callchain+0x9f/0x480 [ 81.137124][ T4355] ? put_callchain_entry+0xb0/0xb0 [ 81.142365][ T4355] ? mark_lock+0x94/0x320 [ 81.146754][ T4355] ? verify_lock_unused+0x140/0x140 [ 81.152361][ T4355] ? __lock_acquire+0x13ad/0x7c60 [ 81.157421][ T4355] __bpf_get_stack+0x2cb/0x4f0 [ 81.162275][ T4355] ? stack_map_get_build_id_offset+0x860/0x860 [ 81.168506][ T4355] ? __cant_sleep+0x210/0x210 [ 81.173244][ T4355] ? bpf_prog_b8a90dd1efcc4ad9+0x3d/0x228 [ 81.179093][ T4355] bpf_get_stack_raw_tp+0x189/0x1c0 [ 81.184337][ T4355] bpf_prog_b8a90dd1efcc4ad9+0x3d/0x228 [ 81.189936][ T4355] bpf_prog_run_pin_on_cpu+0x63/0x140 [ 81.195715][ T4355] bpf_prog_test_run_syscall+0x354/0x4e0 [ 81.201605][ T4355] ? sock_gen_cookie+0x60/0x60 [ 81.206412][ T4355] ? __fdget+0x150/0x210 [ 81.210677][ T4355] ? sock_gen_cookie+0x60/0x60 [ 81.215463][ T4355] bpf_prog_test_run+0x31e/0x390 [ 81.220432][ T4355] __sys_bpf+0x535/0x670 [ 81.224700][ T4355] ? bpf_link_show_fdinfo+0x340/0x340 [ 81.230108][ T4355] ? vtime_user_exit+0x2dc/0x400 [ 81.235084][ T4355] __x64_sys_bpf+0x78/0x90 [ 81.239528][ T4355] do_syscall_64+0x4c/0xa0 [ 81.243972][ T4355] ? clear_bhb_loop+0x30/0x80 [ 81.248688][ T4355] ? clear_bhb_loop+0x30/0x80 [ 81.253396][ T4355] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 81.259432][ T4355] RIP: 0033:0x7f8e22a5ebe9 [ 81.263868][ T4355] 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 [ 81.283675][ T4355] RSP: 002b:00007ffe622287f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 81.292151][ T4355] RAX: ffffffffffffffda RBX: 00007f8e22c95fa0 RCX: 00007f8e22a5ebe9 [ 81.300805][ T4355] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a [ 81.308987][ T4355] RBP: 00007f8e22ae1e19 R08: 0000000000000000 R09: 0000000000000000 [ 81.317324][ T4355] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 81.325331][ T4355] R13: 00007f8e22c95fa0 R14: 00007f8e22c95fa0 R15: 0000000000000003 [ 81.333353][ T4355] [ 81.351273][ T4355] [ 81.353919][ T4355] ============================= [ 81.359633][ T4355] WARNING: suspicious RCU usage [ 81.364700][ T4355] syzkaller #0 Not tainted [ 81.369753][ T4355] ----------------------------- [ 81.374622][ T4355] include/linux/perf_event.h:1274 suspicious rcu_dereference_check() usage! [ 81.384312][ T4355] [ 81.384312][ T4355] other info that might help us debug this: [ 81.384312][ T4355] [ 81.395056][ T4355] [ 81.395056][ T4355] rcu_scheduler_active = 2, debug_locks = 1 [ 81.403486][ T4355] 1 lock held by syz.0.17/4355: [ 81.408886][ T4355] #0: ffffffff8c11c5e0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30 [ 81.419893][ T4355] [ 81.419893][ T4355] stack backtrace: [ 81.426055][ T4355] CPU: 1 PID: 4355 Comm: syz.0.17 Not tainted syzkaller #0 [ 81.433407][ T4355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 81.443620][ T4355] Call Trace: [ 81.447020][ T4355] [ 81.449989][ T4355] dump_stack_lvl+0x168/0x230 [ 81.454714][ T4355] ? show_regs_print_info+0x20/0x20 [ 81.460063][ T4355] ? lockdep_rcu_suspicious+0x110/0x180 [ 81.465740][ T4355] perf_callchain_user+0x6d3/0x10e0 [ 81.471259][ T4355] ? get_callchain_entry+0x181/0x3b0 [ 81.476676][ T4355] get_perf_callchain+0x35d/0x480 [ 81.481744][ T4355] ? put_callchain_entry+0xb0/0xb0 [ 81.487328][ T4355] ? mark_lock+0x94/0x320 [ 81.491714][ T4355] ? verify_lock_unused+0x140/0x140 [ 81.496984][ T4355] ? __lock_acquire+0x13ad/0x7c60 [ 81.502079][ T4355] __bpf_get_stack+0x2cb/0x4f0 [ 81.506897][ T4355] ? stack_map_get_build_id_offset+0x860/0x860 [ 81.513185][ T4355] ? __cant_sleep+0x210/0x210 [ 81.518197][ T4355] ? bpf_prog_b8a90dd1efcc4ad9+0x3d/0x228 [ 81.523951][ T4355] bpf_get_stack_raw_tp+0x189/0x1c0 [ 81.529194][ T4355] bpf_prog_b8a90dd1efcc4ad9+0x3d/0x228 [ 81.534776][ T4355] bpf_prog_run_pin_on_cpu+0x63/0x140 [ 81.540196][ T4355] bpf_prog_test_run_syscall+0x354/0x4e0 [ 81.545973][ T4355] ? sock_gen_cookie+0x60/0x60 [ 81.550878][ T4355] ? __fdget+0x150/0x210 [ 81.555140][ T4355] ? sock_gen_cookie+0x60/0x60 [ 81.560024][ T4355] bpf_prog_test_run+0x31e/0x390 [ 81.565076][ T4355] __sys_bpf+0x535/0x670 [ 81.569378][ T4355] ? bpf_link_show_fdinfo+0x340/0x340 [ 81.574887][ T4355] ? vtime_user_exit+0x2dc/0x400 [ 81.579958][ T4355] __x64_sys_bpf+0x78/0x90 [ 81.584416][ T4355] do_syscall_64+0x4c/0xa0 [ 81.588852][ T4355] ? clear_bhb_loop+0x30/0x80 [ 81.593552][ T4355] ? clear_bhb_loop+0x30/0x80 [ 81.598258][ T4355] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 81.604179][ T4355] RIP: 0033:0x7f8e22a5ebe9 [ 81.608618][ T4355] 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 [ 81.628610][ T4355] RSP: 002b:00007ffe622287f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 81.637265][ T4355] RAX: ffffffffffffffda RBX: 00007f8e22c95fa0 RCX: 00007f8e22a5ebe9 [ 81.645376][ T4355] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a [ 81.653378][ T4355] RBP: 00007f8e22ae1e19 R08: 0000000000000000 R09: 0000000000000000 [ 81.661381][ T4355] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 81.669385][ T4355] R13: 00007f8e22c95fa0 R14: 00007f8e22c95fa0 R15: 0000000000000003 [ 81.677412][ T4355]