Warning: Permanently added '10.128.0.42' (ED25519) to the list of known hosts.
2025/12/24 21:38:12 parsed 1 programs
[ 65.998205][ T4188] cgroup: Unknown subsys name 'net'
[ 66.134339][ T4188] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 67.619703][ T4188] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 69.822504][ T4210] chnl_net:caif_netlink_parms(): no params data found
[ 69.889872][ T4210] bridge0: port 1(bridge_slave_0) entered blocking state
[ 69.897549][ T4210] bridge0: port 1(bridge_slave_0) entered disabled state
[ 69.907387][ T4210] device bridge_slave_0 entered promiscuous mode
[ 69.917354][ T4210] bridge0: port 2(bridge_slave_1) entered blocking state
[ 69.925946][ T4210] bridge0: port 2(bridge_slave_1) entered disabled state
[ 69.934752][ T4210] device bridge_slave_1 entered promiscuous mode
[ 69.966351][ T4210] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 69.978173][ T4210] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 70.011079][ T4210] team0: Port device team_slave_0 added
[ 70.021129][ T4210] team0: Port device team_slave_1 added
[ 70.045581][ T4210] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 70.053977][ T4210] 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.
[ 70.090612][ T4210] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 70.105727][ T4210] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 70.112993][ T4210] 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.
[ 70.140561][ T4210] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 70.185390][ T4210] device hsr_slave_0 entered promiscuous mode
[ 70.193701][ T4210] device hsr_slave_1 entered promiscuous mode
[ 70.327588][ T4210] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 70.339996][ T4210] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 70.350034][ T4210] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 70.360810][ T4210] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 70.394829][ T4210] bridge0: port 2(bridge_slave_1) entered blocking state
[ 70.402205][ T4210] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 70.410345][ T4210] bridge0: port 1(bridge_slave_0) entered blocking state
[ 70.417447][ T4210] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 70.480081][ T4210] 8021q: adding VLAN 0 to HW filter on device bond0
[ 70.494219][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 70.505956][ T155] bridge0: port 1(bridge_slave_0) entered disabled state
[ 70.515220][ T155] bridge0: port 2(bridge_slave_1) entered disabled state
[ 70.524917][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 70.541686][ T4210] 8021q: adding VLAN 0 to HW filter on device team0
[ 70.553513][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 70.562428][ T155] bridge0: port 1(bridge_slave_0) entered blocking state
[ 70.569553][ T155] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 70.590701][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 70.600478][ T9] bridge0: port 2(bridge_slave_1) entered blocking state
[ 70.607646][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 70.630740][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 70.639904][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 70.649138][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 70.657571][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 70.672257][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 70.683543][ T4210] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 70.808147][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 70.815646][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 70.830893][ T4210] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 70.851823][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 70.861976][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 70.892618][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 70.902568][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 70.912363][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 70.920386][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 70.932660][ T4210] device veth0_vlan entered promiscuous mode
[ 70.947092][ T4210] device veth1_vlan entered promiscuous mode
[ 70.974313][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 70.983539][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 70.992667][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 71.001503][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 71.012809][ T4210] device veth0_macvtap entered promiscuous mode
[ 71.024503][ T4210] device veth1_macvtap entered promiscuous mode
[ 71.045066][ T4210] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 71.054737][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 71.063890][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 71.072630][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 71.082130][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 71.095405][ T4210] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 71.103474][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 71.113275][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 71.126059][ T4210] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 71.135442][ T4210] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 71.144609][ T4210] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 71.154119][ T4210] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 71.266415][ T4210] syz-executor (4210) used greatest stack depth: 21152 bytes left
[ 71.292033][ T1423] ieee802154 phy0 wpan0: encryption failed: -22
[ 71.298666][ T1423] ieee802154 phy1 wpan1: encryption failed: -22
[ 71.524389][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 71.534865][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 71.551523][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 71.566184][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 71.574511][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 71.586264][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 71.611485][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 73.714724][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 75.943385][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 75.995013][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 77.141871][ T9] device hsr_slave_0 left promiscuous mode
[ 77.150698][ T9] device hsr_slave_1 left promiscuous mode
[ 77.161319][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 77.189263][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 77.198119][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 77.205537][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 77.215418][ T9] device bridge_slave_1 left promiscuous mode
[ 77.222622][ T9] bridge0: port 2(bridge_slave_1) entered disabled state
[ 77.238936][ T9] device bridge_slave_0 left promiscuous mode
[ 77.245174][ T9] bridge0: port 1(bridge_slave_0) entered disabled state
[ 77.268152][ T9] device veth1_macvtap left promiscuous mode
[ 77.274476][ T9] device veth0_macvtap left promiscuous mode
[ 77.280846][ T9] device veth1_vlan left promiscuous mode
[ 77.286803][ T9] device veth0_vlan left promiscuous mode
[ 77.534011][ T9] team0 (unregistering): Port device team_slave_1 removed
[ 77.548453][ T9] team0 (unregistering): Port device team_slave_0 removed
[ 77.561352][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 77.574919][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 77.628706][ T9] bond0 (unregistering): Released all slaves
2025/12/24 21:38:27 executed programs: 0
[ 79.475439][ T4373] chnl_net:caif_netlink_parms(): no params data found
[ 79.591004][ T4373] bridge0: port 1(bridge_slave_0) entered blocking state
[ 79.608984][ T4373] bridge0: port 1(bridge_slave_0) entered disabled state
[ 79.619702][ T4373] device bridge_slave_0 entered promiscuous mode
[ 79.629322][ T4373] bridge0: port 2(bridge_slave_1) entered blocking state
[ 79.636641][ T4373] bridge0: port 2(bridge_slave_1) entered disabled state
[ 79.645106][ T4373] device bridge_slave_1 entered promiscuous mode
[ 79.714653][ T4373] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 79.740424][ T4373] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 79.802030][ T4373] team0: Port device team_slave_0 added
[ 79.820636][ T4373] team0: Port device team_slave_1 added
[ 79.870139][ T4373] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 79.877148][ T4373] 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.
[ 79.936251][ T4373] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 79.958149][ T4373] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 79.965139][ T4373] 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.
[ 79.992156][ T4373] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 80.053873][ T4373] device hsr_slave_0 entered promiscuous mode
[ 80.060916][ T4373] device hsr_slave_1 entered promiscuous mode
[ 80.196571][ T9] ODEBUG: Out of memory. ODEBUG disabled
[ 80.762968][ T4373] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 80.773294][ T4373] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 80.783753][ T4373] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 80.794130][ T4373] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 80.859858][ T4373] 8021q: adding VLAN 0 to HW filter on device bond0
[ 80.877092][ T4373] 8021q: adding VLAN 0 to HW filter on device team0
[ 80.885265][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 80.893504][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 80.906783][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 80.916173][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 80.926345][ T154] bridge0: port 1(bridge_slave_0) entered blocking state
[ 80.933498][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 80.944697][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 80.956202][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 80.967088][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 80.998445][ T144] bridge0: port 2(bridge_slave_1) entered blocking state
[ 81.005562][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 81.064692][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 81.094494][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 81.118884][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 81.139740][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 81.167512][ T4373] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 81.182713][ T4373] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 81.197901][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 81.207646][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 81.220307][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 81.238878][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 81.256580][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 81.265554][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 81.279879][ T4422] Bluetooth: hci0: command 0x0409 tx timeout
[ 81.298523][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 81.311742][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 81.530161][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 81.541674][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 81.563420][ T4373] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 81.678795][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 81.687532][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 81.817536][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 81.838488][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 81.847008][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 81.878391][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 81.888285][ T4373] device veth0_vlan entered promiscuous mode
[ 81.909966][ T4373] device veth1_vlan entered promiscuous mode
[ 81.949400][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 81.957391][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 81.988459][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 82.008365][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 82.030572][ T4373] device veth0_macvtap entered promiscuous mode
[ 82.050384][ T4373] device veth1_macvtap entered promiscuous mode
[ 82.086145][ T4373] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 82.099622][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 82.120742][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 82.139674][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 82.159886][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 82.181499][ T4373] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 82.198956][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 82.208042][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 82.231564][ T4373] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 82.240941][ T4373] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 82.250314][ T4373] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 82.259602][ T4373] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 82.453691][ T510] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 82.471291][ T510] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 82.483574][ T510] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 82.521771][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 82.530792][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 82.542337][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 82.622570][ T4497]
[ 82.625059][ T4497] =============================
[ 82.631272][ T4497] WARNING: suspicious RCU usage
[ 82.636164][ T4497] syzkaller #0 Not tainted
[ 82.646147][ T4497] -----------------------------
[ 82.652347][ T4497] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage!
[ 82.662647][ T4497]
[ 82.662647][ T4497] other info that might help us debug this:
[ 82.662647][ T4497]
[ 82.677386][ T4497]
[ 82.677386][ T4497] rcu_scheduler_active = 2, debug_locks = 1
[ 82.701818][ T4497] 1 lock held by syz.0.17/4497:
[ 82.706723][ T4497] #0: ffffffff8c11c8a0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 82.719230][ T4497]
[ 82.719230][ T4497] stack backtrace:
[ 82.725152][ T4497] CPU: 0 PID: 4497 Comm: syz.0.17 Not tainted syzkaller #0
[ 82.732467][ T4497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 82.742570][ T4497] Call Trace:
[ 82.745880][ T4497]
[ 82.748838][ T4497] dump_stack_lvl+0x168/0x230
[ 82.753678][ T4497] ? load_image+0x3b0/0x3b0
[ 82.758211][ T4497] ? show_regs_print_info+0x20/0x20
[ 82.763541][ T4497] ? lockdep_rcu_suspicious+0x110/0x180
[ 82.769124][ T4497] get_callchain_entry+0x2a5/0x3b0
[ 82.774270][ T4497] get_perf_callchain+0x9f/0x480
[ 82.779244][ T4497] ? put_callchain_entry+0xb0/0xb0
[ 82.784389][ T4497] ? mark_lock+0x94/0x320
[ 82.788753][ T4497] ? verify_lock_unused+0x140/0x140
[ 82.793986][ T4497] ? __lock_acquire+0x13ad/0x7c60
[ 82.799116][ T4497] __bpf_get_stack+0x2cb/0x4f0
[ 82.803925][ T4497] ? stack_map_get_build_id_offset+0x860/0x860
[ 82.810134][ T4497] ? __cant_sleep+0x210/0x210
[ 82.814842][ T4497] ? bpf_prog_b8a90dd1efcc4ad9+0x3d/0x1bc
[ 82.820680][ T4497] bpf_get_stack_raw_tp+0x189/0x1c0
[ 82.825936][ T4497] bpf_prog_b8a90dd1efcc4ad9+0x3d/0x1bc
[ 82.831518][ T4497] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 82.836927][ T4497] bpf_prog_test_run_syscall+0x354/0x4e0
[ 82.842613][ T4497] ? sock_gen_cookie+0x60/0x60
[ 82.847416][ T4497] ? __fdget+0x150/0x210
[ 82.851690][ T4497] ? sock_gen_cookie+0x60/0x60
[ 82.856497][ T4497] bpf_prog_test_run+0x31e/0x390
[ 82.861475][ T4497] __sys_bpf+0x535/0x670
[ 82.865786][ T4497] ? bpf_link_show_fdinfo+0x340/0x340
[ 82.871203][ T4497] ? vtime_user_exit+0x2dc/0x400
[ 82.876180][ T4497] __x64_sys_bpf+0x78/0x90
[ 82.880641][ T4497] do_syscall_64+0x4c/0xa0
[ 82.885095][ T4497] ? clear_bhb_loop+0x30/0x80
[ 82.889813][ T4497] ? clear_bhb_loop+0x30/0x80
[ 82.894528][ T4497] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 82.900471][ T4497] RIP: 0033:0x7ff0786ca749
[ 82.904919][ T4497] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 82.924554][ T4497] RSP: 002b:00007fff9997edf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 82.933009][ T4497] RAX: ffffffffffffffda RBX: 00007ff078920fa0 RCX: 00007ff0786ca749
[ 82.941023][ T4497] RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a
[ 82.949142][ T4497] RBP: 00007ff07874ef91 R08: 0000000000000000 R09: 0000000000000000
[ 82.957147][ T4497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 82.965238][ T4497] R13: 00007ff078920fa0 R14: 00007ff078920fa0 R15: 0000000000000003
[ 82.973258][ T4497]
[ 82.987327][ T4497]
[ 82.990994][ T4497] =============================
[ 82.995878][ T4497] WARNING: suspicious RCU usage
[ 83.010298][ T4497] syzkaller #0 Not tainted
[ 83.014763][ T4497] -----------------------------
[ 83.043138][ T4497] include/linux/perf_event.h:1274 suspicious rcu_dereference_check() usage!
[ 83.052623][ T4497]
[ 83.052623][ T4497] other info that might help us debug this:
[ 83.052623][ T4497]
[ 83.071310][ T4497]
[ 83.071310][ T4497] rcu_scheduler_active = 2, debug_locks = 1
[ 83.080275][ T4497] 1 lock held by syz.0.17/4497:
[ 83.085175][ T4497] #0: ffffffff8c11c8a0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 83.096048][ T4497]
[ 83.096048][ T4497] stack backtrace:
[ 83.102396][ T4497] CPU: 0 PID: 4497 Comm: syz.0.17 Not tainted syzkaller #0
[ 83.109631][ T4497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 83.119749][ T4497] Call Trace:
[ 83.123301][ T4497]
[ 83.126281][ T4497] dump_stack_lvl+0x168/0x230
[ 83.131005][ T4497] ? show_regs_print_info+0x20/0x20
[ 83.136253][ T4497] ? lockdep_rcu_suspicious+0x110/0x180
[ 83.141855][ T4497] perf_callchain_user+0x6d3/0x10e0
[ 83.147111][ T4497] ? get_callchain_entry+0x181/0x3b0
[ 83.152437][ T4497] get_perf_callchain+0x35d/0x480
[ 83.157611][ T4497] ? put_callchain_entry+0xb0/0xb0
[ 83.162756][ T4497] ? mark_lock+0x94/0x320
[ 83.167138][ T4497] ? verify_lock_unused+0x140/0x140
[ 83.172394][ T4497] ? __lock_acquire+0x13ad/0x7c60
[ 83.177456][ T4497] __bpf_get_stack+0x2cb/0x4f0
[ 83.182267][ T4497] ? stack_map_get_build_id_offset+0x860/0x860
[ 83.188463][ T4497] ? __cant_sleep+0x210/0x210
[ 83.193186][ T4497] ? bpf_prog_b8a90dd1efcc4ad9+0x3d/0x1bc
[ 83.198943][ T4497] bpf_get_stack_raw_tp+0x189/0x1c0
[ 83.204190][ T4497] bpf_prog_b8a90dd1efcc4ad9+0x3d/0x1bc
[ 83.209767][ T4497] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 83.215188][ T4497] bpf_prog_test_run_syscall+0x354/0x4e0
[ 83.220865][ T4497] ? sock_gen_cookie+0x60/0x60
[ 83.225681][ T4497] ? __fdget+0x150/0x210
[ 83.229970][ T4497] ? sock_gen_cookie+0x60/0x60
[ 83.234768][ T4497] bpf_prog_test_run+0x31e/0x390
[ 83.239804][ T4497] __sys_bpf+0x535/0x670
[ 83.244084][ T4497] ? bpf_link_show_fdinfo+0x340/0x340
[ 83.249504][ T4497] ? vtime_user_exit+0x2dc/0x400
[ 83.254480][ T4497] __x64_sys_bpf+0x78/0x90
[ 83.258932][ T4497] do_syscall_64+0x4c/0xa0
[ 83.263381][ T4497] ? clear_bhb_loop+0x30/0x80
[ 83.268091][ T4497] ? clear_bhb_loop+0x30/0x80
[ 83.272804][ T4497] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 83.278735][ T4497] RIP: 0033:0x7ff0786ca749
[ 83.283182][ T4497] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 83.302814][ T4497] RSP: 002b:00007fff9997edf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 83.311264][ T4497] RAX: ffffffffffffffda RBX: 00007ff078920fa0 RCX: 00007ff0786ca749
[ 83.319267][ T4497] RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a
[ 83.327269][ T4497] RBP: 00007ff07874ef91 R08: 0000000000000000 R09: 0000000000000000
[ 83.335272][ T4497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 83.343276][ T4497] R13: 00007ff078920fa0 R14: 00007ff078920fa0 R15: 0000000000000003
[ 83.351296][ T4497]
[ 83.383234][ T4224] Bluetooth: hci0: command 0x041b tx timeout