Warning: Permanently added '10.128.0.216' (ED25519) to the list of known hosts.
2026/04/28 17:08:32 parsed 1 programs
[ 66.832609][ T4189] cgroup: Unknown subsys name 'net'
[ 66.963646][ T4189] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 68.273033][ T4189] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 70.892454][ T4235] chnl_net:caif_netlink_parms(): no params data found
[ 70.961061][ T4235] bridge0: port 1(bridge_slave_0) entered blocking state
[ 70.969248][ T4235] bridge0: port 1(bridge_slave_0) entered disabled state
[ 70.977476][ T4235] device bridge_slave_0 entered promiscuous mode
[ 70.988231][ T4235] bridge0: port 2(bridge_slave_1) entered blocking state
[ 70.995460][ T4235] bridge0: port 2(bridge_slave_1) entered disabled state
[ 71.004173][ T4235] device bridge_slave_1 entered promiscuous mode
[ 71.031130][ T4235] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 71.043010][ T4235] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 71.071213][ T4235] team0: Port device team_slave_0 added
[ 71.079718][ T4235] team0: Port device team_slave_1 added
[ 71.102338][ T4235] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 71.109427][ T4235] 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.
[ 71.135621][ T4235] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 71.149742][ T4235] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 71.156729][ T4235] 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.
[ 71.184096][ T4235] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 71.221761][ T4235] device hsr_slave_0 entered promiscuous mode
[ 71.229212][ T4235] device hsr_slave_1 entered promiscuous mode
[ 71.355854][ T4235] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 71.366892][ T4235] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 71.376482][ T4235] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 71.387269][ T4235] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 71.437158][ T4235] bridge0: port 2(bridge_slave_1) entered blocking state
[ 71.444456][ T4235] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 71.453912][ T4235] bridge0: port 1(bridge_slave_0) entered blocking state
[ 71.461077][ T4235] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 71.551627][ T4235] 8021q: adding VLAN 0 to HW filter on device bond0
[ 71.580346][ T4235] 8021q: adding VLAN 0 to HW filter on device team0
[ 71.591374][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 71.620896][ T144] bridge0: port 1(bridge_slave_0) entered disabled state
[ 71.635993][ T144] bridge0: port 2(bridge_slave_1) entered disabled state
[ 71.657379][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 71.667072][ T144] bridge0: port 1(bridge_slave_0) entered blocking state
[ 71.674215][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 71.686525][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 71.696437][ T144] bridge0: port 2(bridge_slave_1) entered blocking state
[ 71.703640][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 71.730015][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 71.739115][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 71.747864][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 71.761128][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 71.770798][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 71.850372][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 71.858653][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 71.871567][ T4235] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 71.890167][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 71.899164][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 71.918177][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 71.927009][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 71.936879][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 71.945189][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 71.954641][ T4235] device veth0_vlan entered promiscuous mode
[ 71.982529][ T4235] device veth1_vlan entered promiscuous mode
[ 72.005756][ T4235] device veth0_macvtap entered promiscuous mode
[ 72.013578][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 72.022594][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 72.031215][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 72.040356][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 72.049477][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 72.061240][ T4235] device veth1_macvtap entered promiscuous mode
[ 72.093208][ T4235] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 72.102215][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 72.111108][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 72.120280][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 72.132942][ T4235] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 72.140922][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 72.150238][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 72.165471][ T4235] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 72.174748][ T4235] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 72.183870][ T4235] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 72.192977][ T4235] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 72.791499][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 72.806713][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 72.823463][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 72.851342][ T818] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 72.859999][ T818] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 72.868856][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2026/04/28 17:08:40 executed programs: 0
[ 74.067470][ T4290] chnl_net:caif_netlink_parms(): no params data found
[ 74.081646][ T1433] ieee802154 phy0 wpan0: encryption failed: -22
[ 74.088737][ T1433] ieee802154 phy1 wpan1: encryption failed: -22
[ 74.150125][ T4290] bridge0: port 1(bridge_slave_0) entered blocking state
[ 74.157403][ T4290] bridge0: port 1(bridge_slave_0) entered disabled state
[ 74.165637][ T4290] device bridge_slave_0 entered promiscuous mode
[ 74.174231][ T4290] bridge0: port 2(bridge_slave_1) entered blocking state
[ 74.181469][ T4290] bridge0: port 2(bridge_slave_1) entered disabled state
[ 74.191195][ T4290] device bridge_slave_1 entered promiscuous mode
[ 74.215676][ T4290] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 74.227837][ T4290] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 74.250286][ T4290] team0: Port device team_slave_0 added
[ 74.259873][ T4290] team0: Port device team_slave_1 added
[ 74.274915][ T4290] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 74.282105][ T4290] 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.
[ 74.308042][ T4290] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 74.322275][ T4290] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 74.329579][ T4290] 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.
[ 74.356090][ T4290] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 74.393756][ T154] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 74.420032][ T4290] device hsr_slave_0 entered promiscuous mode
[ 74.427211][ T4290] device hsr_slave_1 entered promiscuous mode
[ 74.434390][ T4290] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 74.442469][ T4290] Cannot create hsr debugfs directory
[ 76.008891][ T23] Bluetooth: hci0: command 0x0409 tx timeout
[ 77.220434][ T154] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 77.274273][ T154] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 77.337125][ T154] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 78.078364][ T4321] Bluetooth: hci0: command 0x041b tx timeout
[ 78.246134][ T4290] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 78.267276][ T4290] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 78.277878][ T4290] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 78.288379][ T4290] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 78.355048][ T4290] 8021q: adding VLAN 0 to HW filter on device bond0
[ 78.366866][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 78.376955][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 78.389041][ T4290] 8021q: adding VLAN 0 to HW filter on device team0
[ 78.415786][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 78.424859][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 78.433616][ T818] bridge0: port 1(bridge_slave_0) entered blocking state
[ 78.440925][ T818] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 78.449478][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 78.475085][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 78.485299][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 78.494270][ T818] bridge0: port 2(bridge_slave_1) entered blocking state
[ 78.501445][ T818] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 78.512794][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 78.537136][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 78.552314][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 78.563004][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 78.572916][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 78.582106][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 78.595327][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 78.603668][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 78.612461][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 78.625745][ T4290] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 78.638185][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 78.646147][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 78.655719][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 78.774239][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 78.781898][ T818] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 78.795821][ T4290] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 78.823653][ T154] device hsr_slave_0 left promiscuous mode
[ 78.831120][ T154] device hsr_slave_1 left promiscuous mode
[ 78.837594][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 78.846048][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 78.855405][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 78.863131][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 78.871019][ T154] device bridge_slave_1 left promiscuous mode
[ 78.878245][ T154] bridge0: port 2(bridge_slave_1) entered disabled state
[ 78.893517][ T154] device bridge_slave_0 left promiscuous mode
[ 78.899921][ T154] bridge0: port 1(bridge_slave_0) entered disabled state
[ 78.918928][ T154] device veth1_macvtap left promiscuous mode
[ 78.925556][ T154] device veth0_macvtap left promiscuous mode
[ 78.932010][ T154] device veth1_vlan left promiscuous mode
[ 78.939038][ T154] device veth0_vlan left promiscuous mode
[ 79.097312][ T154] team0 (unregistering): Port device team_slave_1 removed
[ 79.113257][ T154] team0 (unregistering): Port device team_slave_0 removed
[ 79.126630][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 79.142510][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 79.194698][ T154] bond0 (unregistering): Released all slaves
[ 79.276512][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 79.285837][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 79.310924][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 79.319975][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 79.328831][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 79.336704][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 79.345701][ T4290] device veth0_vlan entered promiscuous mode
[ 79.357403][ T4290] device veth1_vlan entered promiscuous mode
[ 79.379142][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 79.393028][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 79.407367][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 79.416435][ T1232] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 79.426695][ T4290] device veth0_macvtap entered promiscuous mode
[ 79.436799][ T4290] device veth1_macvtap entered promiscuous mode
[ 79.457518][ T4290] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 79.466649][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 79.483587][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 79.492023][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 79.500875][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 79.511971][ T4290] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 79.523669][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 79.532629][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 79.543915][ T4290] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 79.553170][ T4290] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 79.562315][ T4290] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 79.571523][ T4290] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 79.643140][ T818] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 79.655961][ T818] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 79.664880][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 79.689055][ T1232] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 79.708479][ T1232] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 79.716071][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 79.776978][ T4351]
[ 79.781459][ T4351] =============================
[ 79.786361][ T4351] WARNING: suspicious RCU usage
[ 79.793220][ T4351] syzkaller #0 Not tainted
[ 79.800171][ T4351] -----------------------------
[ 79.805185][ T4351] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage!
[ 79.814962][ T4351]
[ 79.814962][ T4351] other info that might help us debug this:
[ 79.814962][ T4351]
[ 79.827150][ T4351]
[ 79.827150][ T4351] rcu_scheduler_active = 2, debug_locks = 1
[ 79.836419][ T4351] 1 lock held by syz.0.17/4351:
[ 79.845230][ T4351] #0: ffffffff8c31eca0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 79.855717][ T4351]
[ 79.855717][ T4351] stack backtrace:
[ 79.864034][ T4351] CPU: 1 PID: 4351 Comm: syz.0.17 Not tainted syzkaller #0
[ 79.871370][ T4351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 79.881448][ T4351] Call Trace:
[ 79.884782][ T4351]
[ 79.887735][ T4351] dump_stack_lvl+0x188/0x250
[ 79.892454][ T4351] ? load_image+0x400/0x400
[ 79.897071][ T4351] ? show_regs_print_info+0x20/0x20
[ 79.902283][ T4351] ? print_tainted+0x148/0x170
[ 79.907077][ T4351] ? lockdep_rcu_suspicious+0x110/0x180
[ 79.912649][ T4351] get_callchain_entry+0x2a5/0x3b0
[ 79.917780][ T4351] get_perf_callchain+0xab/0x460
[ 79.922745][ T4351] ? put_callchain_entry+0xb0/0xb0
[ 79.927884][ T4351] ? mark_lock+0x94/0x320
[ 79.932228][ T4351] ? verify_lock_unused+0x140/0x140
[ 79.937443][ T4351] ? __lock_acquire+0x13bc/0x7d10
[ 79.942492][ T4351] __bpf_get_stack+0x2db/0x530
[ 79.947286][ T4351] ? stack_map_get_build_id_offset+0x860/0x860
[ 79.953462][ T4351] ? __cant_sleep+0x220/0x220
[ 79.958153][ T4351] ? bpf_prog_14d9fb3786f83342+0x3d/0xc8c
[ 79.963896][ T4351] bpf_get_stack_raw_tp+0x189/0x1c0
[ 79.969123][ T4351] bpf_prog_14d9fb3786f83342+0x3d/0xc8c
[ 79.974692][ T4351] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 79.980092][ T4351] bpf_prog_test_run_syscall+0x35a/0x4f0
[ 79.985743][ T4351] ? sock_gen_cookie+0x60/0x60
[ 79.990537][ T4351] ? sock_gen_cookie+0x60/0x60
[ 79.995333][ T4351] bpf_prog_test_run+0x31e/0x390
[ 80.000317][ T4351] __sys_bpf+0x5a5/0x6f0
[ 80.004589][ T4351] ? bpf_link_show_fdinfo+0x380/0x380
[ 80.010085][ T4351] ? vtime_user_exit+0x2c8/0x3e0
[ 80.015046][ T4351] __x64_sys_bpf+0x78/0x90
[ 80.019488][ T4351] do_syscall_64+0x4c/0xa0
[ 80.023929][ T4351] ? clear_bhb_loop+0x30/0x80
[ 80.028629][ T4351] ? clear_bhb_loop+0x30/0x80
[ 80.033325][ T4351] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 80.039239][ T4351] RIP: 0033:0x7fc702729dd9
[ 80.043685][ T4351] 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
[ 80.063315][ T4351] RSP: 002b:00007fc701d8b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 80.071748][ T4351] RAX: ffffffffffffffda RBX: 00007fc7029a2fa0 RCX: 00007fc702729dd9
[ 80.079738][ T4351] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a
[ 80.087723][ T4351] RBP: 00007fc7027bfd69 R08: 0000000000000000 R09: 0000000000000000
[ 80.095830][ T4351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 80.103826][ T4351] R13: 00007fc7029a3038 R14: 00007fc7029a2fa0 R15: 00007fffa9103d98
[ 80.111835][ T4351]
[ 80.122638][ T4351]
[ 80.125145][ T4351] =============================
[ 80.130750][ T4351] WARNING: suspicious RCU usage
[ 80.135785][ T4351] syzkaller #0 Not tainted
[ 80.140692][ T4351] -----------------------------
[ 80.145780][ T4351] include/linux/perf_event.h:1274 suspicious rcu_dereference_check() usage!
[ 80.155091][ T4351]
[ 80.155091][ T4351] other info that might help us debug this:
[ 80.155091][ T4351]
[ 80.166696][ T4351]
[ 80.166696][ T4351] rcu_scheduler_active = 2, debug_locks = 1
[ 80.168405][ T4325] Bluetooth: hci0: command 0x040f tx timeout
[ 80.175559][ T4351] 1 lock held by syz.0.17/4351:
[ 80.186197][ T4351] #0: ffffffff8c31eca0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 80.196592][ T4351]
[ 80.196592][ T4351] stack backtrace:
[ 80.203053][ T4351] CPU: 1 PID: 4351 Comm: syz.0.17 Not tainted syzkaller #0
[ 80.210288][ T4351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 80.220354][ T4351] Call Trace:
[ 80.223656][ T4351]
[ 80.226594][ T4351] dump_stack_lvl+0x188/0x250
[ 80.231294][ T4351] ? load_image+0x400/0x400
[ 80.235812][ T4351] ? show_regs_print_info+0x20/0x20
[ 80.241036][ T4351] ? lockdep_rcu_suspicious+0x110/0x180
[ 80.246605][ T4351] perf_callchain_kernel+0x5f1/0x720
[ 80.251945][ T4351] ? load_image+0x400/0x400
[ 80.256464][ T4351] ? show_regs_print_info+0x20/0x20
[ 80.261684][ T4351] ? print_tainted+0x148/0x170
[ 80.266575][ T4351] ? arch_perf_update_userpage+0x3c0/0x3c0
[ 80.272587][ T4351] ? get_callchain_entry+0x181/0x3b0
[ 80.277894][ T4351] get_perf_callchain+0x356/0x460
[ 80.282943][ T4351] ? put_callchain_entry+0xb0/0xb0
[ 80.288087][ T4351] ? mark_lock+0x94/0x320
[ 80.292430][ T4351] ? verify_lock_unused+0x140/0x140
[ 80.297644][ T4351] ? __lock_acquire+0x13bc/0x7d10
[ 80.302687][ T4351] __bpf_get_stack+0x2db/0x530
[ 80.307793][ T4351] ? stack_map_get_build_id_offset+0x860/0x860
[ 80.314064][ T4351] ? __cant_sleep+0x220/0x220
[ 80.318773][ T4351] ? bpf_prog_14d9fb3786f83342+0x3d/0xc8c
[ 80.324508][ T4351] bpf_get_stack_raw_tp+0x189/0x1c0
[ 80.329853][ T4351] bpf_prog_14d9fb3786f83342+0x3d/0xc8c
[ 80.335448][ T4351] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 80.340859][ T4351] bpf_prog_test_run_syscall+0x35a/0x4f0
[ 80.346514][ T4351] ? sock_gen_cookie+0x60/0x60
[ 80.351302][ T4351] ? sock_gen_cookie+0x60/0x60
[ 80.356083][ T4351] bpf_prog_test_run+0x31e/0x390
[ 80.361051][ T4351] __sys_bpf+0x5a5/0x6f0
[ 80.365321][ T4351] ? bpf_link_show_fdinfo+0x380/0x380
[ 80.370723][ T4351] ? vtime_user_exit+0x2c8/0x3e0
[ 80.375775][ T4351] __x64_sys_bpf+0x78/0x90
[ 80.380220][ T4351] do_syscall_64+0x4c/0xa0
[ 80.384678][ T4351] ? clear_bhb_loop+0x30/0x80
[ 80.389364][ T4351] ? clear_bhb_loop+0x30/0x80
[ 80.394064][ T4351] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 80.400677][ T4351] RIP: 0033:0x7fc702729dd9
[ 80.405222][ T4351] 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
[ 80.425290][ T4351] RSP: 002b:00007fc701d8b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 80.433818][ T4351] RAX: ffffffffffffffda RBX: 00007fc7029a2fa0 RCX: 00007fc702729dd9
[ 80.441802][ T4351] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a
[ 80.449870][ T4351] RBP: 00007fc7027bfd69 R08: 0000000000000000 R09: 0000000000000000
[ 80.457866][ T4351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 80.465854][ T4351] R13: 00007fc7029a3038 R14: 00007fc7029a2fa0 R15: 00007fffa9103d98
[ 80.473862][ T4351]