Warning: Permanently added '10.128.0.239' (ED25519) to the list of known hosts.
2026/07/02 01:24:05 parsed 1 programs
2026/07/02 01:24:05 serving rpc on tcp://38195
syzkaller login: [ 63.183774][ T4198] cgroup: Unknown subsys name 'net'
[ 63.325366][ T4198] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 64.571926][ T4198] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 65.876151][ T4213] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 65.884235][ T4213] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 65.893187][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 65.911364][ T4213] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 65.919221][ T4213] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 65.930104][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 67.709770][ T4265] chnl_net:caif_netlink_parms(): no params data found
[ 67.785260][ T4265] bridge0: port 1(bridge_slave_0) entered blocking state
[ 67.792766][ T4265] bridge0: port 1(bridge_slave_0) entered disabled state
[ 67.800892][ T4265] device bridge_slave_0 entered promiscuous mode
[ 67.809340][ T4265] bridge0: port 2(bridge_slave_1) entered blocking state
[ 67.816490][ T4265] bridge0: port 2(bridge_slave_1) entered disabled state
[ 67.824721][ T4265] device bridge_slave_1 entered promiscuous mode
[ 67.842994][ T4265] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 67.854262][ T4265] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 67.873575][ T4265] team0: Port device team_slave_0 added
[ 67.881055][ T4265] team0: Port device team_slave_1 added
[ 67.895740][ T4265] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 67.903080][ T4265] 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.
[ 67.929018][ T4265] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 67.942579][ T4265] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 67.949530][ T4265] 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.
[ 67.975670][ T4265] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 68.002223][ T4265] device hsr_slave_0 entered promiscuous mode
[ 68.009034][ T4265] device hsr_slave_1 entered promiscuous mode
[ 68.085481][ T4265] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 68.095290][ T4265] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 68.104924][ T4265] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 68.113554][ T4265] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 68.158033][ T4265] 8021q: adding VLAN 0 to HW filter on device bond0
[ 68.172744][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 68.183445][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 68.193086][ T4265] 8021q: adding VLAN 0 to HW filter on device team0
[ 68.202350][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 68.211250][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 68.220305][ T9] bridge0: port 1(bridge_slave_0) entered blocking state
[ 68.227522][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 68.236473][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 68.264951][ T4236] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 68.274023][ T4236] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 68.282835][ T4236] bridge0: port 2(bridge_slave_1) entered blocking state
[ 68.289941][ T4236] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 68.301557][ T4236] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 68.313458][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 68.346663][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 68.356182][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 68.364901][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 68.376139][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 68.385179][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 68.419020][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 68.429286][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 68.439728][ T4265] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 68.539032][ T4236] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 68.546967][ T4236] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 68.559469][ T4265] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 68.598140][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 68.615617][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 68.625410][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 68.633735][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 68.644568][ T4265] device veth0_vlan entered promiscuous mode
[ 68.676118][ T4265] device veth1_vlan entered promiscuous mode
[ 68.692424][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 68.701722][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 68.709743][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 68.723067][ T4265] device veth0_macvtap entered promiscuous mode
[ 68.748572][ T4265] device veth1_macvtap entered promiscuous mode
[ 68.762620][ T4265] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 68.771953][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 68.780763][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 68.789276][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 68.799661][ T4265] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 68.807359][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 68.816661][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 68.829098][ T4265] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 68.838321][ T4265] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 68.847284][ T4265] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 68.856257][ T4265] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 68.981777][ T4265] syz-executor (4265) used greatest stack depth: 20752 bytes left
2026/07/02 01:24:13 executed programs: 0
[ 69.930527][ T4309] chnl_net:caif_netlink_parms(): no params data found
[ 69.999874][ T4309] bridge0: port 1(bridge_slave_0) entered blocking state
[ 70.007160][ T4309] bridge0: port 1(bridge_slave_0) entered disabled state
[ 70.015398][ T4309] device bridge_slave_0 entered promiscuous mode
[ 70.027110][ T4309] bridge0: port 2(bridge_slave_1) entered blocking state
[ 70.034263][ T4309] bridge0: port 2(bridge_slave_1) entered disabled state
[ 70.042526][ T4309] device bridge_slave_1 entered promiscuous mode
[ 70.066428][ T4309] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 70.077773][ T4309] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 70.106861][ T4309] team0: Port device team_slave_0 added
[ 70.114597][ T4309] team0: Port device team_slave_1 added
[ 70.136854][ T4309] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 70.146098][ T4309] 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.
[ 70.175721][ T4309] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 70.192718][ T4309] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 70.199664][ T4309] 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.
[ 70.228565][ T4309] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 70.267854][ T4309] device hsr_slave_0 entered promiscuous mode
[ 70.274914][ T4309] device hsr_slave_1 entered promiscuous mode
[ 70.283294][ T4309] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 70.291585][ T4309] Cannot create hsr debugfs directory
[ 70.379010][ T4309] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 71.212313][ T1421] ieee802154 phy0 wpan0: encryption failed: -22
[ 71.218788][ T1421] ieee802154 phy1 wpan1: encryption failed: -22
[ 71.851523][ T4294] Bluetooth: hci0: command 0x0409 tx timeout
[ 73.195599][ T4309] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 73.744114][ T4309] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 73.807874][ T4309] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 73.940570][ T4284] Bluetooth: hci0: command 0x041b tx timeout
[ 73.957857][ T4309] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 73.967110][ T4309] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 73.983153][ T4309] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 73.993381][ T4309] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 74.044948][ T4309] 8021q: adding VLAN 0 to HW filter on device bond0
[ 74.056236][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 74.064161][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 74.084328][ T4309] 8021q: adding VLAN 0 to HW filter on device team0
[ 74.093623][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 74.102587][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 74.111561][ T161] bridge0: port 1(bridge_slave_0) entered blocking state
[ 74.118599][ T161] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 74.127802][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 74.138299][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 74.147874][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 74.156240][ T161] bridge0: port 2(bridge_slave_1) entered blocking state
[ 74.163287][ T161] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 74.182601][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 74.194488][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 74.205569][ T4236] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 74.215308][ T4236] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 74.224034][ T4236] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 74.241736][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 74.251046][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 74.261283][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 74.269603][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 74.279551][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 74.288310][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 74.298247][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 74.311616][ T154] device hsr_slave_0 left promiscuous mode
[ 74.318000][ T154] device hsr_slave_1 left promiscuous mode
[ 74.325086][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 74.333140][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 74.342558][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 74.350115][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 74.357624][ T154] device bridge_slave_1 left promiscuous mode
[ 74.364795][ T154] bridge0: port 2(bridge_slave_1) entered disabled state
[ 74.377552][ T154] device bridge_slave_0 left promiscuous mode
[ 74.384684][ T154] bridge0: port 1(bridge_slave_0) entered disabled state
[ 74.401137][ T154] device veth1_macvtap left promiscuous mode
[ 74.407316][ T154] device veth0_macvtap left promiscuous mode
[ 74.413622][ T154] device veth1_vlan left promiscuous mode
[ 74.419484][ T154] device veth0_vlan left promiscuous mode
[ 74.545570][ T154] team0 (unregistering): Port device team_slave_1 removed
[ 74.556773][ T154] team0 (unregistering): Port device team_slave_0 removed
[ 74.568163][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 74.585231][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 74.632237][ T154] bond0 (unregistering): Released all slaves
[ 74.734334][ T4236] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 74.742248][ T4236] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 74.761193][ T4309] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 74.784416][ T4236] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 74.793044][ T4236] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 74.809343][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 74.817859][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 74.828764][ T4309] device veth0_vlan entered promiscuous mode
[ 74.837125][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 74.845144][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 74.856254][ T4309] device veth1_vlan entered promiscuous mode
[ 74.872476][ T4236] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 74.880749][ T4236] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 74.888596][ T4236] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 74.897576][ T4236] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 74.908483][ T4309] device veth0_macvtap entered promiscuous mode
[ 74.919725][ T4309] device veth1_macvtap entered promiscuous mode
[ 74.935343][ T4309] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 74.943542][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 74.954610][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 74.962765][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 74.972037][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 74.982951][ T4309] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 74.992681][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 75.001608][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 75.011470][ T4309] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 75.021016][ T4309] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 75.029728][ T4309] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 75.038581][ T4309] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 75.117609][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 75.128568][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 75.145435][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 75.158776][ T4236] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 75.167273][ T4236] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 75.175715][ T161] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 75.224232][ T4322]
[ 75.227075][ T4322] =============================
[ 75.233322][ T4322] WARNING: suspicious RCU usage
[ 75.238253][ T4322] syzkaller #0 Not tainted
[ 75.244093][ T4322] -----------------------------
[ 75.249008][ T4322] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage!
[ 75.259997][ T4322]
[ 75.259997][ T4322] other info that might help us debug this:
[ 75.259997][ T4322]
[ 75.272071][ T4322]
[ 75.272071][ T4322] rcu_scheduler_active = 2, debug_locks = 1
[ 75.280360][ T4322] 1 lock held by syz.0.17/4322:
[ 75.285280][ T4322] #0: ffffffff8c31f0a0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 75.298088][ T4322]
[ 75.298088][ T4322] stack backtrace:
[ 75.304507][ T4322] CPU: 0 PID: 4322 Comm: syz.0.17 Not tainted syzkaller #0
[ 75.311718][ T4322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 75.321868][ T4322] Call Trace:
[ 75.325145][ T4322]
[ 75.328067][ T4322] dump_stack_lvl+0x188/0x250
[ 75.332744][ T4322] ? load_image+0x410/0x410
[ 75.337242][ T4322] ? show_regs_print_info+0x20/0x20
[ 75.342432][ T4322] ? print_tainted+0x148/0x170
[ 75.347204][ T4322] ? lockdep_rcu_suspicious+0x110/0x180
[ 75.352748][ T4322] get_callchain_entry+0x2a5/0x3b0
[ 75.357948][ T4322] get_perf_callchain+0xab/0x460
[ 75.363006][ T4322] ? put_callchain_entry+0xb0/0xb0
[ 75.368135][ T4322] ? mark_lock+0x94/0x320
[ 75.372471][ T4322] __bpf_get_stack+0x2db/0x530
[ 75.377252][ T4322] ? stack_map_get_build_id_offset+0x860/0x860
[ 75.383413][ T4322] ? __cant_sleep+0x220/0x220
[ 75.388104][ T4322] ? bpf_prog_14d9fb3786f83342+0x3d/0xa0
[ 75.393747][ T4322] bpf_get_stack_raw_tp+0x189/0x1c0
[ 75.398953][ T4322] bpf_prog_14d9fb3786f83342+0x3d/0xa0
[ 75.404409][ T4322] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 75.409788][ T4322] bpf_prog_test_run_syscall+0x361/0x500
[ 75.415450][ T4322] ? _raw_spin_unlock+0x24/0x40
[ 75.420319][ T4322] ? sock_gen_cookie+0x60/0x60
[ 75.425092][ T4322] ? __fdget+0x150/0x210
[ 75.429333][ T4322] ? sock_gen_cookie+0x60/0x60
[ 75.434102][ T4322] bpf_prog_test_run+0x31c/0x390
[ 75.439044][ T4322] __sys_bpf+0x5a5/0x6f0
[ 75.443287][ T4322] ? bpf_link_show_fdinfo+0x380/0x380
[ 75.448678][ T4322] __x64_sys_bpf+0x78/0x90
[ 75.453099][ T4322] do_syscall_64+0x4c/0xa0
[ 75.457512][ T4322] ? clear_bhb_loop+0x30/0x80
[ 75.462187][ T4322] ? clear_bhb_loop+0x30/0x80
[ 75.466870][ T4322] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 75.472786][ T4322] RIP: 0033:0x7f4626504e59
[ 75.477200][ T4322] 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
[ 75.496807][ T4322] RSP: 002b:00007ffc9b5e04e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 75.505219][ T4322] RAX: ffffffffffffffda RBX: 00007f462678cfa0 RCX: 00007f4626504e59
[ 75.513191][ T4322] RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a
[ 75.521163][ T4322] RBP: 00007f462659ae6f R08: 0000000000000000 R09: 0000000000000000
[ 75.529139][ T4322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 75.537106][ T4322] R13: 00007f462678cfac R14: 00007f462678cfa0 R15: 00007f462678cfa0
[ 75.545089][ T4322]
[ 75.550957][ T4322]
[ 75.553302][ T4322] =============================
[ 75.559573][ T4322] WARNING: suspicious RCU usage
[ 75.564882][ T4322] syzkaller #0 Not tainted
[ 75.569294][ T4322] -----------------------------
[ 75.574409][ T4322] include/linux/perf_event.h:1274 suspicious rcu_dereference_check() usage!
[ 75.583611][ T4322]
[ 75.583611][ T4322] other info that might help us debug this:
[ 75.583611][ T4322]
[ 75.594271][ T4322]
[ 75.594271][ T4322] rcu_scheduler_active = 2, debug_locks = 1
[ 75.602894][ T4322] 1 lock held by syz.0.17/4322:
[ 75.607833][ T4322] #0: ffffffff8c31f0a0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 75.618596][ T4322]
[ 75.618596][ T4322] stack backtrace:
[ 75.624963][ T4322] CPU: 0 PID: 4322 Comm: syz.0.17 Not tainted syzkaller #0
[ 75.632162][ T4322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 75.642209][ T4322] Call Trace:
[ 75.645499][ T4322]
[ 75.648424][ T4322] dump_stack_lvl+0x188/0x250
[ 75.653105][ T4322] ? load_image+0x410/0x410
[ 75.657604][ T4322] ? show_regs_print_info+0x20/0x20
[ 75.662808][ T4322] ? lockdep_rcu_suspicious+0x110/0x180
[ 75.668351][ T4322] perf_callchain_kernel+0x625/0x760
[ 75.673634][ T4322] ? load_image+0x410/0x410
[ 75.678135][ T4322] ? show_regs_print_info+0x20/0x20
[ 75.683329][ T4322] ? print_tainted+0x148/0x170
[ 75.688094][ T4322] ? arch_perf_update_userpage+0x3c0/0x3c0
[ 75.693910][ T4322] ? get_callchain_entry+0x181/0x3b0
[ 75.699194][ T4322] get_perf_callchain+0x356/0x460
[ 75.704217][ T4322] ? put_callchain_entry+0xb0/0xb0
[ 75.709332][ T4322] ? mark_lock+0x94/0x320
[ 75.713658][ T4322] __bpf_get_stack+0x2db/0x530
[ 75.718439][ T4322] ? stack_map_get_build_id_offset+0x860/0x860
[ 75.724594][ T4322] ? __cant_sleep+0x220/0x220
[ 75.729269][ T4322] ? bpf_prog_14d9fb3786f83342+0x3d/0xa0
[ 75.734902][ T4322] bpf_get_stack_raw_tp+0x189/0x1c0
[ 75.740106][ T4322] bpf_prog_14d9fb3786f83342+0x3d/0xa0
[ 75.745560][ T4322] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 75.750932][ T4322] bpf_prog_test_run_syscall+0x361/0x500
[ 75.756560][ T4322] ? _raw_spin_unlock+0x24/0x40
[ 75.761422][ T4322] ? sock_gen_cookie+0x60/0x60
[ 75.766200][ T4322] ? __fdget+0x150/0x210
[ 75.770443][ T4322] ? sock_gen_cookie+0x60/0x60
[ 75.775202][ T4322] bpf_prog_test_run+0x31c/0x390
[ 75.780140][ T4322] __sys_bpf+0x5a5/0x6f0
[ 75.784385][ T4322] ? bpf_link_show_fdinfo+0x380/0x380
[ 75.789778][ T4322] __x64_sys_bpf+0x78/0x90
[ 75.794193][ T4322] do_syscall_64+0x4c/0xa0
[ 75.798602][ T4322] ? clear_bhb_loop+0x30/0x80
[ 75.803273][ T4322] ? clear_bhb_loop+0x30/0x80
[ 75.807949][ T4322] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 75.813842][ T4322] RIP: 0033:0x7f4626504e59
[ 75.818256][ T4322] 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
[ 75.837860][ T4322] RSP: 002b:00007ffc9b5e04e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 75.846279][ T4322] RAX: ffffffffffffffda RBX: 00007f462678cfa0 RCX: 00007f4626504e59
[ 75.854249][ T4322] RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a
[ 75.862216][ T4322] RBP: 00007f462659ae6f R08: 0000000000000000 R09: 0000000000000000
[ 75.870183][ T4322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 75.878149][ T4322] R13: 00007f462678cfac R14: 00007f462678cfa0 R15: 00007f462678cfa0
[ 75.886145][ T4322]