Warning: Permanently added '10.128.1.69' (ED25519) to the list of known hosts.
2026/06/01 14:08:09 parsed 1 programs
[ 54.281856][ T4200] cgroup: Unknown subsys name 'net'
[ 54.409196][ T4200] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 55.899619][ T4200] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 57.867999][ T1221] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 57.881140][ T1221] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 57.901111][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 57.916802][ T1221] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 57.925728][ T1221] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 57.933584][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 59.287230][ T4263] chnl_net:caif_netlink_parms(): no params data found
[ 59.328322][ T4263] bridge0: port 1(bridge_slave_0) entered blocking state
[ 59.335776][ T4263] bridge0: port 1(bridge_slave_0) entered disabled state
[ 59.344773][ T4263] device bridge_slave_0 entered promiscuous mode
[ 59.352977][ T4263] bridge0: port 2(bridge_slave_1) entered blocking state
[ 59.360141][ T4263] bridge0: port 2(bridge_slave_1) entered disabled state
[ 59.368338][ T4263] device bridge_slave_1 entered promiscuous mode
[ 59.386941][ T4263] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 59.397634][ T4263] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 59.417814][ T4263] team0: Port device team_slave_0 added
[ 59.424778][ T4263] team0: Port device team_slave_1 added
[ 59.441471][ T4263] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 59.448714][ T4263] 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.
[ 59.474639][ T4263] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 59.487281][ T4263] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 59.494313][ T4263] 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.
[ 59.520599][ T4263] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 59.547980][ T4263] device hsr_slave_0 entered promiscuous mode
[ 59.554842][ T4263] device hsr_slave_1 entered promiscuous mode
[ 59.638072][ T4263] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 59.665198][ T4263] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 59.673901][ T4263] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 59.682646][ T4263] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 59.702046][ T4263] bridge0: port 2(bridge_slave_1) entered blocking state
[ 59.709303][ T4263] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 59.717067][ T4263] bridge0: port 1(bridge_slave_0) entered blocking state
[ 59.724162][ T4263] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 59.780797][ T4263] 8021q: adding VLAN 0 to HW filter on device bond0
[ 59.795348][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 59.804501][ T155] bridge0: port 1(bridge_slave_0) entered disabled state
[ 59.812274][ T155] bridge0: port 2(bridge_slave_1) entered disabled state
[ 59.838303][ T4263] 8021q: adding VLAN 0 to HW filter on device team0
[ 59.849240][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 59.857996][ T155] bridge0: port 1(bridge_slave_0) entered blocking state
[ 59.865108][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 59.875604][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 59.884897][ T144] bridge0: port 2(bridge_slave_1) entered blocking state
[ 59.891984][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 59.926704][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 59.936707][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 59.947910][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 59.959093][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 59.972705][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 59.984910][ T4263] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 60.089288][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 60.097099][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 60.127624][ T4263] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 60.144438][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 60.153375][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 60.183888][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 60.192371][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 60.201464][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 60.210041][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 60.220886][ T4263] device veth0_vlan entered promiscuous mode
[ 60.247403][ T4263] device veth1_vlan entered promiscuous mode
[ 60.266028][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 60.275944][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 60.286145][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 60.295686][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 60.306732][ T4263] device veth0_macvtap entered promiscuous mode
[ 60.317079][ T4263] device veth1_macvtap entered promiscuous mode
[ 60.348798][ T4263] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 60.357261][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 60.365751][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 60.373746][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 60.382155][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 60.394802][ T4263] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 60.402076][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 60.411453][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 60.432955][ T4263] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 60.442264][ T4263] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 60.451480][ T4263] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 60.460620][ T4263] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 60.567894][ T4263] syz-executor (4263) used greatest stack depth: 20880 bytes left
2026/06/01 14:08:18 executed programs: 0
[ 61.245077][ T4303] chnl_net:caif_netlink_parms(): no params data found
[ 61.301289][ T4303] bridge0: port 1(bridge_slave_0) entered blocking state
[ 61.310490][ T4303] bridge0: port 1(bridge_slave_0) entered disabled state
[ 61.319520][ T4303] device bridge_slave_0 entered promiscuous mode
[ 61.330343][ T4303] bridge0: port 2(bridge_slave_1) entered blocking state
[ 61.337872][ T4303] bridge0: port 2(bridge_slave_1) entered disabled state
[ 61.348277][ T4303] device bridge_slave_1 entered promiscuous mode
[ 61.371731][ T4303] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 61.392524][ T4303] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 61.420418][ T4303] team0: Port device team_slave_0 added
[ 61.428613][ T4303] team0: Port device team_slave_1 added
[ 61.449015][ T4303] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 61.456572][ T4303] 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.
[ 61.483076][ T4303] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 61.497103][ T4303] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 61.504740][ T4303] 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.
[ 61.531714][ T4303] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 61.573112][ T4303] device hsr_slave_0 entered promiscuous mode
[ 61.581467][ T4303] device hsr_slave_1 entered promiscuous mode
[ 61.588412][ T4303] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 61.598603][ T4303] Cannot create hsr debugfs directory
[ 61.698503][ T4303] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 63.203693][ T4274] Bluetooth: hci0: command 0x0409 tx timeout
[ 64.519535][ T4303] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 65.284000][ T4275] Bluetooth: hci0: command 0x041b tx timeout
[ 65.718686][ T4303] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 65.770495][ T4303] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 65.852966][ T4303] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 65.862425][ T4303] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 65.872527][ T4303] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 65.881545][ T4303] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 65.929958][ T4303] 8021q: adding VLAN 0 to HW filter on device bond0
[ 65.952669][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 65.961620][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 65.972323][ T4303] 8021q: adding VLAN 0 to HW filter on device team0
[ 65.995704][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 66.004801][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 66.013099][ T4281] bridge0: port 1(bridge_slave_0) entered blocking state
[ 66.020201][ T4281] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 66.028582][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 66.053880][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 66.062530][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 66.071850][ T4281] bridge0: port 2(bridge_slave_1) entered blocking state
[ 66.078965][ T4281] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 66.088788][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 66.112083][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 66.126129][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 66.135517][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 66.144341][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 66.152754][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 66.162814][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 66.183472][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 66.192008][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 66.203102][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 66.211546][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 66.221887][ T4303] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 66.239993][ T145] device hsr_slave_0 left promiscuous mode
[ 66.247243][ T145] device hsr_slave_1 left promiscuous mode
[ 66.255793][ T145] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 66.263379][ T145] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 66.272173][ T145] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 66.282050][ T145] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 66.290742][ T145] device bridge_slave_1 left promiscuous mode
[ 66.297854][ T145] bridge0: port 2(bridge_slave_1) entered disabled state
[ 66.316229][ T145] device bridge_slave_0 left promiscuous mode
[ 66.322651][ T145] bridge0: port 1(bridge_slave_0) entered disabled state
[ 66.341042][ T145] device veth1_macvtap left promiscuous mode
[ 66.347431][ T145] device veth0_macvtap left promiscuous mode
[ 66.354532][ T145] device veth1_vlan left promiscuous mode
[ 66.360402][ T145] device veth0_vlan left promiscuous mode
[ 66.512505][ T145] team0 (unregistering): Port device team_slave_1 removed
[ 66.527735][ T145] team0 (unregistering): Port device team_slave_0 removed
[ 66.540334][ T145] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 66.557426][ T145] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 66.615702][ T145] bond0 (unregistering): Released all slaves
[ 66.710609][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 66.718392][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 66.732830][ T4303] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 66.754955][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 66.765718][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 66.784791][ T4303] device veth0_vlan entered promiscuous mode
[ 66.791089][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 66.799202][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 66.807979][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 66.816047][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 66.827733][ T4303] device veth1_vlan entered promiscuous mode
[ 66.851706][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 66.859749][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 66.867980][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 66.876739][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 66.887659][ T4303] device veth0_macvtap entered promiscuous mode
[ 66.898379][ T4303] device veth1_macvtap entered promiscuous mode
[ 66.919376][ T4303] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 66.927281][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 66.935574][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 66.943752][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 66.952206][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 66.964725][ T4303] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 66.974456][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 66.984100][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 66.993778][ T4303] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.002523][ T4303] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.012566][ T4303] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.021806][ T4303] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.082990][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 67.098245][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 67.113722][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 67.127751][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 67.135670][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 67.143121][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 67.188871][ T4320]
[ 67.191303][ T4320] =============================
[ 67.197534][ T4320] WARNING: suspicious RCU usage
[ 67.213435][ T4320] syzkaller #0 Not tainted
[ 67.218006][ T4320] -----------------------------
[ 67.222860][ T4320] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage!
[ 67.234377][ T4320]
[ 67.234377][ T4320] other info that might help us debug this:
[ 67.234377][ T4320]
[ 67.245027][ T4320]
[ 67.245027][ T4320] rcu_scheduler_active = 2, debug_locks = 1
[ 67.253109][ T4320] 1 lock held by syz.0.17/4320:
[ 67.259966][ T4320] #0: ffffffff8c31f4a0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 67.269956][ T4320]
[ 67.269956][ T4320] stack backtrace:
[ 67.277220][ T4320] CPU: 0 PID: 4320 Comm: syz.0.17 Not tainted syzkaller #0
[ 67.284432][ T4320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 67.294502][ T4320] Call Trace:
[ 67.297802][ T4320]
[ 67.300743][ T4320] dump_stack_lvl+0x188/0x250
[ 67.305459][ T4320] ? load_image+0x400/0x400
[ 67.309975][ T4320] ? show_regs_print_info+0x20/0x20
[ 67.315183][ T4320] ? print_tainted+0x148/0x170
[ 67.319974][ T4320] ? lockdep_rcu_suspicious+0x110/0x180
[ 67.325534][ T4320] get_callchain_entry+0x2a5/0x3b0
[ 67.330667][ T4320] get_perf_callchain+0xab/0x460
[ 67.335639][ T4320] ? put_callchain_entry+0xb0/0xb0
[ 67.340769][ T4320] ? mark_lock+0x94/0x320
[ 67.345114][ T4320] ? verify_lock_unused+0x140/0x140
[ 67.350321][ T4320] ? __lock_acquire+0x13bc/0x7d10
[ 67.355360][ T4320] __bpf_get_stack+0x2db/0x530
[ 67.360147][ T4320] ? stack_map_get_build_id_offset+0x860/0x860
[ 67.366316][ T4320] ? __cant_sleep+0x220/0x220
[ 67.371000][ T4320] ? bpf_prog_b8a90dd1efcc4ad9+0x3d/0xa24
[ 67.376730][ T4320] bpf_get_stack_raw_tp+0x189/0x1c0
[ 67.381944][ T4320] bpf_prog_b8a90dd1efcc4ad9+0x3d/0xa24
[ 67.383786][ T4280] Bluetooth: hci0: command 0x040f tx timeout
[ 67.387507][ T4320] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 67.398852][ T4320] bpf_prog_test_run_syscall+0x35a/0x4f0
[ 67.404505][ T4320] ? sock_gen_cookie+0x60/0x60
[ 67.409292][ T4320] ? __fdget+0x150/0x210
[ 67.413543][ T4320] ? sock_gen_cookie+0x60/0x60
[ 67.418332][ T4320] bpf_prog_test_run+0x31e/0x390
[ 67.423289][ T4320] __sys_bpf+0x5a5/0x6f0
[ 67.427550][ T4320] ? bpf_link_show_fdinfo+0x380/0x380
[ 67.432947][ T4320] ? vtime_user_exit+0x2c8/0x3e0
[ 67.437901][ T4320] __x64_sys_bpf+0x78/0x90
[ 67.442344][ T4320] do_syscall_64+0x4c/0xa0
[ 67.446781][ T4320] ? clear_bhb_loop+0x30/0x80
[ 67.451493][ T4320] ? clear_bhb_loop+0x30/0x80
[ 67.456210][ T4320] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 67.462132][ T4320] RIP: 0033:0x7efc9362ee59
[ 67.466570][ T4320] 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
[ 67.486189][ T4320] RSP: 002b:00007fff35b56c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 67.494618][ T4320] RAX: ffffffffffffffda RBX: 00007efc938a7fa0 RCX: 00007efc9362ee59
[ 67.502602][ T4320] RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a
[ 67.510588][ T4320] RBP: 00007efc936c4d6f R08: 0000000000000000 R09: 0000000000000000
[ 67.518570][ T4320] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 67.526559][ T4320] R13: 00007efc938a7fac R14: 00007efc938a7fa0 R15: 00007efc938a7fa0
[ 67.534558][ T4320]
[ 67.542627][ T4320]
[ 67.545117][ T4320] =============================
[ 67.549971][ T4320] WARNING: suspicious RCU usage
[ 67.554961][ T4320] syzkaller #0 Not tainted
[ 67.559564][ T4320] -----------------------------
[ 67.564560][ T4320] include/linux/perf_event.h:1274 suspicious rcu_dereference_check() usage!
[ 67.573747][ T4320]
[ 67.573747][ T4320] other info that might help us debug this:
[ 67.573747][ T4320]
[ 67.584087][ T4320]
[ 67.584087][ T4320] rcu_scheduler_active = 2, debug_locks = 1
[ 67.592325][ T4320] 1 lock held by syz.0.17/4320:
[ 67.597447][ T4320] #0: ffffffff8c31f4a0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 67.607833][ T4320]
[ 67.607833][ T4320] stack backtrace:
[ 67.613823][ T4320] CPU: 0 PID: 4320 Comm: syz.0.17 Not tainted syzkaller #0
[ 67.621030][ T4320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 67.631102][ T4320] Call Trace:
[ 67.634390][ T4320]
[ 67.637327][ T4320] dump_stack_lvl+0x188/0x250
[ 67.642024][ T4320] ? load_image+0x400/0x400
[ 67.646542][ T4320] ? show_regs_print_info+0x20/0x20
[ 67.651749][ T4320] ? print_tainted+0x148/0x170
[ 67.656537][ T4320] ? lockdep_rcu_suspicious+0x110/0x180
[ 67.662091][ T4320] perf_callchain_user+0x3d6/0xfd0
[ 67.667225][ T4320] ? get_callchain_entry+0x181/0x3b0
[ 67.672536][ T4320] get_perf_callchain+0x33d/0x460
[ 67.677599][ T4320] ? put_callchain_entry+0xb0/0xb0
[ 67.682738][ T4320] ? mark_lock+0x94/0x320
[ 67.687082][ T4320] ? verify_lock_unused+0x140/0x140
[ 67.692296][ T4320] ? __lock_acquire+0x13bc/0x7d10
[ 67.697332][ T4320] __bpf_get_stack+0x2db/0x530
[ 67.702114][ T4320] ? stack_map_get_build_id_offset+0x860/0x860
[ 67.708284][ T4320] ? __cant_sleep+0x220/0x220
[ 67.712973][ T4320] ? bpf_prog_b8a90dd1efcc4ad9+0x3d/0xa24
[ 67.718707][ T4320] bpf_get_stack_raw_tp+0x189/0x1c0
[ 67.723919][ T4320] bpf_prog_b8a90dd1efcc4ad9+0x3d/0xa24
[ 67.729489][ T4320] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 67.734909][ T4320] bpf_prog_test_run_syscall+0x35a/0x4f0
[ 67.740581][ T4320] ? sock_gen_cookie+0x60/0x60
[ 67.745371][ T4320] ? __fdget+0x150/0x210
[ 67.749628][ T4320] ? sock_gen_cookie+0x60/0x60
[ 67.754410][ T4320] bpf_prog_test_run+0x31e/0x390
[ 67.759368][ T4320] __sys_bpf+0x5a5/0x6f0
[ 67.763637][ T4320] ? bpf_link_show_fdinfo+0x380/0x380
[ 67.769030][ T4320] ? vtime_user_exit+0x2c8/0x3e0
[ 67.773990][ T4320] __x64_sys_bpf+0x78/0x90
[ 67.778419][ T4320] do_syscall_64+0x4c/0xa0
[ 67.782876][ T4320] ? clear_bhb_loop+0x30/0x80
[ 67.787589][ T4320] ? clear_bhb_loop+0x30/0x80
[ 67.792299][ T4320] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 67.798222][ T4320] RIP: 0033:0x7efc9362ee59
[ 67.802676][ T4320] 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
[ 67.822296][ T4320] RSP: 002b:00007fff35b56c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 67.830723][ T4320] RAX: ffffffffffffffda RBX: 00007efc938a7fa0 RCX: 00007efc9362ee59
[ 67.838711][ T4320] RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a
[ 67.846694][ T4320] RBP: 00007efc936c4d6f R08: 0000000000000000 R09: 0000000000000000
[ 67.854686][ T4320] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 67.862665][ T4320] R13: 00007efc938a7fac R14: 00007efc938a7fa0 R15: 00007efc938a7fa0
[ 67.870669][ T4320]