Warning: Permanently added '10.128.0.209' (ED25519) to the list of known hosts.
2026/06/16 14:54:02 parsed 1 programs
[ 70.102007][ T4199] cgroup: Unknown subsys name 'net'
[ 70.195221][ T4199] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 71.335339][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[ 71.341931][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
[ 71.769135][ T4199] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 73.170462][ T4211] chnl_net:caif_netlink_parms(): no params data found
[ 73.218036][ T4211] bridge0: port 1(bridge_slave_0) entered blocking state
[ 73.225526][ T4211] bridge0: port 1(bridge_slave_0) entered disabled state
[ 73.233950][ T4211] device bridge_slave_0 entered promiscuous mode
[ 73.243722][ T4211] bridge0: port 2(bridge_slave_1) entered blocking state
[ 73.250832][ T4211] bridge0: port 2(bridge_slave_1) entered disabled state
[ 73.258876][ T4211] device bridge_slave_1 entered promiscuous mode
[ 73.279900][ T4211] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 73.291381][ T4211] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 73.314632][ T4211] team0: Port device team_slave_0 added
[ 73.322983][ T4211] team0: Port device team_slave_1 added
[ 73.340661][ T4211] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 73.347647][ T4211] 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.
[ 73.373587][ T4211] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 73.386396][ T4211] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 73.393415][ T4211] 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.
[ 73.419381][ T4211] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 73.464933][ T4211] device hsr_slave_0 entered promiscuous mode
[ 73.472071][ T4211] device hsr_slave_1 entered promiscuous mode
[ 73.572400][ T4211] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 73.583733][ T4211] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 73.594145][ T4211] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 73.603767][ T4211] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 73.629783][ T4211] bridge0: port 2(bridge_slave_1) entered blocking state
[ 73.637065][ T4211] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 73.645179][ T4211] bridge0: port 1(bridge_slave_0) entered blocking state
[ 73.652279][ T4211] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 73.701009][ T4211] 8021q: adding VLAN 0 to HW filter on device bond0
[ 73.715304][ T1246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 73.727072][ T1246] bridge0: port 1(bridge_slave_0) entered disabled state
[ 73.736042][ T1246] bridge0: port 2(bridge_slave_1) entered disabled state
[ 73.745039][ T1246] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 73.757890][ T4211] 8021q: adding VLAN 0 to HW filter on device team0
[ 73.770657][ T1246] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 73.779875][ T1246] bridge0: port 1(bridge_slave_0) entered blocking state
[ 73.787018][ T1246] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 73.802454][ T1246] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 73.812072][ T1246] bridge0: port 2(bridge_slave_1) entered blocking state
[ 73.819179][ T1246] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 73.840241][ T1246] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 73.863924][ T1246] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 73.872974][ T1246] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 73.882592][ T1246] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 73.890888][ T1246] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 73.901607][ T4211] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 73.990066][ T1246] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 73.998024][ T1246] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 74.013717][ T4211] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 74.032611][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 74.052932][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 74.062354][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 74.070105][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 74.080182][ T4211] device veth0_vlan entered promiscuous mode
[ 74.092318][ T4211] device veth1_vlan entered promiscuous mode
[ 74.114889][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 74.123278][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 74.132156][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 74.143591][ T4211] device veth0_macvtap entered promiscuous mode
[ 74.155072][ T4211] device veth1_macvtap entered promiscuous mode
[ 74.173004][ T4211] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 74.180541][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 74.189469][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 74.201007][ T4211] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 74.208925][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 74.218221][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 74.232258][ T4211] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 74.241057][ T4211] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 74.250851][ T4211] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 74.260523][ T4211] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 74.391416][ T4211] syz-executor (4211) used greatest stack depth: 20912 bytes left
[ 74.414820][ T154] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 77.378209][ T154] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 79.987061][ T154] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 80.039869][ T154] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 80.412830][ T155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 80.420956][ T155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 80.453571][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 80.476610][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 80.485466][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 80.494531][ T4294] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 80.830664][ T154] device hsr_slave_0 left promiscuous mode
[ 80.848688][ T154] device hsr_slave_1 left promiscuous mode
[ 80.867427][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 80.877060][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 80.899946][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 80.933993][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 80.962888][ T154] device bridge_slave_1 left promiscuous mode
[ 80.969870][ T154] bridge0: port 2(bridge_slave_1) entered disabled state
[ 81.008720][ T154] device bridge_slave_0 left promiscuous mode
[ 81.034129][ T154] bridge0: port 1(bridge_slave_0) entered disabled state
[ 81.083287][ T154] device veth1_macvtap left promiscuous mode
[ 81.089796][ T154] device veth0_macvtap left promiscuous mode
[ 81.110269][ T154] device veth1_vlan left promiscuous mode
[ 81.118249][ T154] device veth0_vlan left promiscuous mode
[ 81.293268][ T154] team0 (unregistering): Port device team_slave_1 removed
[ 81.306477][ T154] team0 (unregistering): Port device team_slave_0 removed
[ 81.324260][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 81.338735][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 81.397237][ T154] bond0 (unregistering): Released all slaves
2026/06/16 14:54:17 executed programs: 0
[ 82.530945][ T4348] chnl_net:caif_netlink_parms(): no params data found
[ 82.592274][ T4348] bridge0: port 1(bridge_slave_0) entered blocking state
[ 82.599443][ T4348] bridge0: port 1(bridge_slave_0) entered disabled state
[ 82.608061][ T4348] device bridge_slave_0 entered promiscuous mode
[ 82.617391][ T4348] bridge0: port 2(bridge_slave_1) entered blocking state
[ 82.624896][ T4348] bridge0: port 2(bridge_slave_1) entered disabled state
[ 82.633970][ T4348] device bridge_slave_1 entered promiscuous mode
[ 82.659608][ T4348] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 82.671706][ T4348] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 82.700804][ T4348] team0: Port device team_slave_0 added
[ 82.709249][ T4348] team0: Port device team_slave_1 added
[ 82.732180][ T4348] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 82.739186][ T4348] 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.
[ 82.766216][ T4348] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 82.779271][ T4348] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 82.786759][ T4348] 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.
[ 82.813080][ T4348] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 82.853041][ T4348] device hsr_slave_0 entered promiscuous mode
[ 82.860061][ T4348] device hsr_slave_1 entered promiscuous mode
[ 83.549478][ T4348] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 83.561680][ T4348] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 83.573051][ T4348] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 83.584574][ T4348] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 83.718722][ T4348] 8021q: adding VLAN 0 to HW filter on device bond0
[ 83.735401][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 83.753467][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 83.775569][ T4348] 8021q: adding VLAN 0 to HW filter on device team0
[ 83.786709][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 83.797720][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 83.807763][ T155] bridge0: port 1(bridge_slave_0) entered blocking state
[ 83.814920][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 83.824909][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 83.836692][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 83.845671][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 83.854249][ T155] bridge0: port 2(bridge_slave_1) entered blocking state
[ 83.861338][ T155] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 83.878682][ T154] ODEBUG: Out of memory. ODEBUG disabled
[ 83.887333][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 83.913506][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 83.930101][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 83.942791][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 83.953299][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 83.962778][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 83.979618][ T4348] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 83.990273][ T4348] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 84.003913][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 84.016957][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 84.025520][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 84.034510][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 84.044213][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 84.053036][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 84.241128][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 84.248809][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 84.264796][ T4348] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 84.289378][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 84.299211][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 84.346225][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 84.356640][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 84.370069][ T4348] device veth0_vlan entered promiscuous mode
[ 84.379344][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 84.388314][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 84.407693][ T4348] device veth1_vlan entered promiscuous mode
[ 84.445581][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 84.461369][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 84.469823][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 84.479791][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 84.498093][ T4348] device veth0_macvtap entered promiscuous mode
[ 84.513647][ T4348] device veth1_macvtap entered promiscuous mode
[ 84.523985][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 84.532457][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 84.551013][ T4348] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 84.560100][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 84.569882][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 84.583503][ T4348] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 84.594120][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 84.604482][ T4432] Bluetooth: hci0: command 0x0409 tx timeout
[ 84.610710][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 84.639707][ T4348] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 84.649218][ T4348] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 84.659627][ T4348] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 84.669147][ T4348] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 84.794554][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 84.813519][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 84.822886][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 84.856432][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 84.865088][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 84.879628][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 84.974612][ T4440]
[ 84.977116][ T4440] =============================
[ 85.001679][ T4440] WARNING: suspicious RCU usage
[ 85.006587][ T4440] syzkaller #0 Not tainted
[ 85.011033][ T4440] -----------------------------
[ 85.052887][ T4440] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage!
[ 85.089528][ T4440]
[ 85.089528][ T4440] other info that might help us debug this:
[ 85.089528][ T4440]
[ 85.121215][ T4440]
[ 85.121215][ T4440] rcu_scheduler_active = 2, debug_locks = 1
[ 85.129344][ T4440] 1 lock held by syz.0.17/4440:
[ 85.141213][ T4440] #0: ffffffff8c31f4e0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 85.161682][ T4440]
[ 85.161682][ T4440] stack backtrace:
[ 85.167652][ T4440] CPU: 0 PID: 4440 Comm: syz.0.17 Not tainted syzkaller #0
[ 85.174886][ T4440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 85.185072][ T4440] Call Trace:
[ 85.188382][ T4440]
[ 85.191333][ T4440] dump_stack_lvl+0x188/0x250
[ 85.196035][ T4440] ? load_image+0x400/0x400
[ 85.200555][ T4440] ? show_regs_print_info+0x20/0x20
[ 85.205764][ T4440] ? print_tainted+0x148/0x170
[ 85.210554][ T4440] ? lockdep_rcu_suspicious+0x110/0x180
[ 85.216124][ T4440] get_callchain_entry+0x2a5/0x3b0
[ 85.221267][ T4440] get_perf_callchain+0xab/0x460
[ 85.226227][ T4440] ? put_callchain_entry+0xb0/0xb0
[ 85.231354][ T4440] ? mark_lock+0x94/0x320
[ 85.235803][ T4440] __bpf_get_stack+0x2db/0x530
[ 85.240624][ T4440] ? stack_map_get_build_id_offset+0x860/0x860
[ 85.246805][ T4440] ? bpf_prog_118ee59fc6e897db_F+0x29/0x7d8
[ 85.252714][ T4440] bpf_get_stack_raw_tp+0x189/0x1c0
[ 85.257937][ T4440] bpf_prog_118ee59fc6e897db_F+0x29/0x7d8
[ 85.263671][ T4440] bpf_prog_19484586d131c401+0x18/0xd94
[ 85.269240][ T4440] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 85.274638][ T4440] bpf_prog_test_run_syscall+0x35a/0x4f0
[ 85.280287][ T4440] ? sock_gen_cookie+0x60/0x60
[ 85.285071][ T4440] ? __fdget+0x150/0x210
[ 85.289331][ T4440] ? sock_gen_cookie+0x60/0x60
[ 85.294117][ T4440] bpf_prog_test_run+0x31e/0x390
[ 85.299074][ T4440] __sys_bpf+0x5a5/0x6f0
[ 85.303335][ T4440] ? bpf_link_show_fdinfo+0x380/0x380
[ 85.308745][ T4440] ? vtime_user_exit+0x2c8/0x3e0
[ 85.313708][ T4440] __x64_sys_bpf+0x78/0x90
[ 85.318143][ T4440] do_syscall_64+0x4c/0xa0
[ 85.322577][ T4440] ? clear_bhb_loop+0x30/0x80
[ 85.327274][ T4440] ? clear_bhb_loop+0x30/0x80
[ 85.331966][ T4440] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 85.337895][ T4440] RIP: 0033:0x7f53e021be59
[ 85.342330][ T4440] 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
[ 85.361952][ T4440] RSP: 002b:00007ffe6a82cc98 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 85.370385][ T4440] RAX: ffffffffffffffda RBX: 00007f53e0494fa0 RCX: 00007f53e021be59
[ 85.378366][ T4440] RDX: 0000000000000010 RSI: 0000200000001ac0 RDI: 000000000000000a
[ 85.386479][ T4440] RBP: 00007f53e02b1d6f R08: 0000000000000000 R09: 0000000000000000
[ 85.394484][ T4440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 85.402483][ T4440] R13: 00007f53e0494fac R14: 00007f53e0494fa0 R15: 00007f53e0494fa0
[ 85.410569][ T4440]
[ 85.465455][ T4440]
[ 85.467854][ T4440] =============================
[ 85.481364][ T4440] WARNING: suspicious RCU usage
[ 85.486272][ T4440] syzkaller #0 Not tainted
[ 85.490717][ T4440] -----------------------------
[ 85.508482][ T4440] include/linux/perf_event.h:1274 suspicious rcu_dereference_check() usage!
[ 85.518896][ T4440]
[ 85.518896][ T4440] other info that might help us debug this:
[ 85.518896][ T4440]
[ 85.529655][ T4440]
[ 85.529655][ T4440] rcu_scheduler_active = 2, debug_locks = 1
[ 85.541299][ T4440] 1 lock held by syz.0.17/4440:
[ 85.546201][ T4440] #0: ffffffff8c31f4e0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 85.575615][ T4440]
[ 85.575615][ T4440] stack backtrace:
[ 85.591218][ T4440] CPU: 0 PID: 4440 Comm: syz.0.17 Not tainted syzkaller #0
[ 85.598515][ T4440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 85.608614][ T4440] Call Trace:
[ 85.611930][ T4440]
[ 85.614896][ T4440] dump_stack_lvl+0x188/0x250
[ 85.619620][ T4440] ? load_image+0x400/0x400
[ 85.624169][ T4440] ? show_regs_print_info+0x20/0x20
[ 85.629415][ T4440] ? lockdep_rcu_suspicious+0x110/0x180
[ 85.635046][ T4440] perf_callchain_kernel+0x5f1/0x720
[ 85.640540][ T4440] ? load_image+0x400/0x400
[ 85.645082][ T4440] ? show_regs_print_info+0x20/0x20
[ 85.650398][ T4440] ? print_tainted+0x148/0x170
[ 85.655205][ T4440] ? arch_perf_update_userpage+0x3c0/0x3c0
[ 85.661080][ T4440] ? get_callchain_entry+0x181/0x3b0
[ 85.666419][ T4440] get_perf_callchain+0x356/0x460
[ 85.671496][ T4440] ? put_callchain_entry+0xb0/0xb0
[ 85.676648][ T4440] ? mark_lock+0x94/0x320
[ 85.681018][ T4440] __bpf_get_stack+0x2db/0x530
[ 85.685832][ T4440] ? stack_map_get_build_id_offset+0x860/0x860
[ 85.692033][ T4440] ? bpf_prog_118ee59fc6e897db_F+0x29/0x7d8
[ 85.697969][ T4440] bpf_get_stack_raw_tp+0x189/0x1c0
[ 85.703217][ T4440] bpf_prog_118ee59fc6e897db_F+0x29/0x7d8
[ 85.709088][ T4440] bpf_prog_19484586d131c401+0x18/0xd94
[ 85.714681][ T4440] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 85.720101][ T4440] bpf_prog_test_run_syscall+0x35a/0x4f0
[ 85.725775][ T4440] ? sock_gen_cookie+0x60/0x60
[ 85.730590][ T4440] ? __fdget+0x150/0x210
[ 85.734866][ T4440] ? sock_gen_cookie+0x60/0x60
[ 85.739667][ T4440] bpf_prog_test_run+0x31e/0x390
[ 85.744646][ T4440] __sys_bpf+0x5a5/0x6f0
[ 85.748939][ T4440] ? bpf_link_show_fdinfo+0x380/0x380
[ 85.754367][ T4440] ? vtime_user_exit+0x2c8/0x3e0
[ 85.759358][ T4440] __x64_sys_bpf+0x78/0x90
[ 85.763816][ T4440] do_syscall_64+0x4c/0xa0
[ 85.768267][ T4440] ? clear_bhb_loop+0x30/0x80
[ 85.773081][ T4440] ? clear_bhb_loop+0x30/0x80
[ 85.777794][ T4440] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 85.783721][ T4440] RIP: 0033:0x7f53e021be59
[ 85.788171][ T4440] 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
[ 85.807804][ T4440] RSP: 002b:00007ffe6a82cc98 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 85.816271][ T4440] RAX: ffffffffffffffda RBX: 00007f53e0494fa0 RCX: 00007f53e021be59
[ 85.824293][ T4440] RDX: 0000000000000010 RSI: 0000200000001ac0 RDI: 000000000000000a
[ 85.832300][ T4440] RBP: 00007f53e02b1d6f R08: 0000000000000000 R09: 0000000000000000
[ 85.840318][ T4440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 85.848336][ T4440] R13: 00007f53e0494fac R14: 00007f53e0494fa0 R15: 00007f53e0494fa0
[ 85.856365][ T4440]