Warning: Permanently added '10.128.0.90' (ED25519) to the list of known hosts.
2026/05/29 20:44:35 parsed 1 programs
[ 70.755223][ T4202] cgroup: Unknown subsys name 'net'
[ 70.888467][ T4202] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 71.875285][ T1432] ieee802154 phy0 wpan0: encryption failed: -22
[ 71.881854][ T1432] ieee802154 phy1 wpan1: encryption failed: -22
[ 72.400554][ T4202] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 74.336080][ T1158] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 74.344217][ T1158] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 74.360106][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 74.381333][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 74.390279][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 74.404012][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 75.656701][ T4258] chnl_net:caif_netlink_parms(): no params data found
[ 75.728424][ T4258] bridge0: port 1(bridge_slave_0) entered blocking state
[ 75.736925][ T4258] bridge0: port 1(bridge_slave_0) entered disabled state
[ 75.745109][ T4258] device bridge_slave_0 entered promiscuous mode
[ 75.755475][ T4258] bridge0: port 2(bridge_slave_1) entered blocking state
[ 75.763221][ T4258] bridge0: port 2(bridge_slave_1) entered disabled state
[ 75.771985][ T4258] device bridge_slave_1 entered promiscuous mode
[ 75.798713][ T4258] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 75.810617][ T4258] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 75.836064][ T4258] team0: Port device team_slave_0 added
[ 75.845978][ T4258] team0: Port device team_slave_1 added
[ 75.864301][ T4258] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 75.871347][ T4258] 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.
[ 75.898376][ T4258] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 75.911992][ T4258] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 75.919045][ T4258] 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.
[ 75.946068][ T4258] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 75.987512][ T4258] device hsr_slave_0 entered promiscuous mode
[ 75.994859][ T4258] device hsr_slave_1 entered promiscuous mode
[ 76.109426][ T4258] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 76.122233][ T4258] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 76.132435][ T4258] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 76.141937][ T4258] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 76.173138][ T4258] bridge0: port 2(bridge_slave_1) entered blocking state
[ 76.181816][ T4258] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 76.191692][ T4258] bridge0: port 1(bridge_slave_0) entered blocking state
[ 76.198825][ T4258] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 76.305922][ T4258] 8021q: adding VLAN 0 to HW filter on device bond0
[ 76.321218][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 76.331926][ T1175] bridge0: port 1(bridge_slave_0) entered disabled state
[ 76.348080][ T1175] bridge0: port 2(bridge_slave_1) entered disabled state
[ 76.391958][ T4258] 8021q: adding VLAN 0 to HW filter on device team0
[ 76.414928][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 76.424220][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 76.433788][ T1175] bridge0: port 1(bridge_slave_0) entered blocking state
[ 76.441087][ T1175] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 76.453948][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 76.464669][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 76.474343][ T154] bridge0: port 2(bridge_slave_1) entered blocking state
[ 76.481773][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 76.492071][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 76.504143][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 76.517736][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 76.526773][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 76.535499][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 76.545994][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 76.555894][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 76.567875][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 76.577452][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 76.588813][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 76.598084][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 76.609093][ T4258] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 76.689971][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 76.698051][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 76.710374][ T4258] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 76.744393][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 76.754673][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 76.771551][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 76.780662][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 76.790157][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 76.798606][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 76.809787][ T4258] device veth0_vlan entered promiscuous mode
[ 76.836754][ T4258] device veth1_vlan entered promiscuous mode
[ 76.855248][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 76.863920][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 76.873060][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 76.882836][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 76.894611][ T4258] device veth0_macvtap entered promiscuous mode
[ 76.919748][ T4258] device veth1_macvtap entered promiscuous mode
[ 76.936232][ T4258] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 76.945282][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 76.953995][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 76.962978][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 76.973076][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 77.008184][ T4258] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 77.016799][ T1158] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 77.026644][ T1158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 77.039156][ T4258] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 77.048948][ T4258] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 77.057865][ T4258] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 77.067072][ T4258] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 77.177444][ T4258] syz-executor (4258) used greatest stack depth: 20432 bytes left
2026/05/29 20:44:44 executed programs: 0
[ 78.294076][ T4304] chnl_net:caif_netlink_parms(): no params data found
[ 78.368464][ T4304] bridge0: port 1(bridge_slave_0) entered blocking state
[ 78.379105][ T4304] bridge0: port 1(bridge_slave_0) entered disabled state
[ 78.387684][ T4304] device bridge_slave_0 entered promiscuous mode
[ 78.400095][ T4304] bridge0: port 2(bridge_slave_1) entered blocking state
[ 78.407958][ T4304] bridge0: port 2(bridge_slave_1) entered disabled state
[ 78.419187][ T4304] device bridge_slave_1 entered promiscuous mode
[ 78.448538][ T4304] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 78.460596][ T4304] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 78.490724][ T4304] team0: Port device team_slave_0 added
[ 78.498863][ T4304] team0: Port device team_slave_1 added
[ 78.519520][ T4304] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 78.527137][ T4304] 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.
[ 78.553626][ T4304] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 78.567547][ T4304] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 78.574641][ T4304] 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.
[ 78.601762][ T4304] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 78.641849][ T4304] device hsr_slave_0 entered promiscuous mode
[ 78.648938][ T4304] device hsr_slave_1 entered promiscuous mode
[ 78.656298][ T4304] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 78.665056][ T4304] Cannot create hsr debugfs directory
[ 78.764365][ T4304] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 80.202598][ T4314] Bluetooth: hci0: command 0x0409 tx timeout
[ 82.119706][ T4304] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 82.221190][ T4304] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 82.272364][ T7] Bluetooth: hci0: command 0x041b tx timeout
[ 82.318494][ T4304] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 82.417470][ T4304] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 82.427154][ T4304] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 82.438450][ T4304] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 82.447743][ T4304] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 82.504938][ T4304] 8021q: adding VLAN 0 to HW filter on device bond0
[ 82.516860][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 82.525764][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 82.551822][ T4304] 8021q: adding VLAN 0 to HW filter on device team0
[ 82.563204][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 82.572871][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 82.581450][ T144] bridge0: port 1(bridge_slave_0) entered blocking state
[ 82.588995][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 82.598228][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 82.627793][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 82.636980][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 82.646250][ T144] bridge0: port 2(bridge_slave_1) entered blocking state
[ 82.654212][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 82.662327][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 82.673649][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 82.701846][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 82.713169][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 82.722301][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 82.731146][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 82.753534][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 82.763422][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 82.773773][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 82.786696][ T4304] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 82.798607][ T4304] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 82.807956][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 82.817975][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 82.837593][ T9] device hsr_slave_0 left promiscuous mode
[ 82.844755][ T9] device hsr_slave_1 left promiscuous mode
[ 82.852706][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 82.860382][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 82.874674][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 82.884778][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 82.893362][ T9] device bridge_slave_1 left promiscuous mode
[ 82.900366][ T9] bridge0: port 2(bridge_slave_1) entered disabled state
[ 82.914816][ T9] device bridge_slave_0 left promiscuous mode
[ 82.921301][ T9] bridge0: port 1(bridge_slave_0) entered disabled state
[ 82.939751][ T9] device veth1_macvtap left promiscuous mode
[ 82.946458][ T9] device veth0_macvtap left promiscuous mode
[ 82.953950][ T9] device veth1_vlan left promiscuous mode
[ 82.960505][ T9] device veth0_vlan left promiscuous mode
[ 83.114587][ T9] team0 (unregistering): Port device team_slave_1 removed
[ 83.129657][ T9] team0 (unregistering): Port device team_slave_0 removed
[ 83.143867][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 83.160025][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 83.213900][ T9] bond0 (unregistering): Released all slaves
[ 83.304341][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 83.312152][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 83.325324][ T4304] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 83.343500][ T1158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 83.355641][ T1158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 83.373373][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 83.382798][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 83.391332][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 83.399540][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 83.411040][ T4304] device veth0_vlan entered promiscuous mode
[ 83.429309][ T4304] device veth1_vlan entered promiscuous mode
[ 83.452018][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 83.460186][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 83.469186][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 83.478436][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 83.490847][ T4304] device veth0_macvtap entered promiscuous mode
[ 83.501091][ T4304] device veth1_macvtap entered promiscuous mode
[ 83.522931][ T4304] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 83.530679][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 83.539525][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 83.548391][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 83.558663][ T1175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 83.572878][ T4304] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 83.580618][ T1158] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 83.589835][ T1158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 83.602140][ T4304] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 83.611356][ T4304] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 83.620539][ T4304] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 83.629525][ T4304] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 83.696904][ T1158] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 83.710837][ T1158] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 83.728439][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 83.744756][ T1175] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 83.753549][ T1175] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 83.763205][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 83.826978][ T4323]
[ 83.830054][ T4323] =============================
[ 83.838334][ T4323] WARNING: suspicious RCU usage
[ 83.844490][ T4323] syzkaller #0 Not tainted
[ 83.849127][ T4323] -----------------------------
[ 83.854823][ T4323] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage!
[ 83.864055][ T4323]
[ 83.864055][ T4323] other info that might help us debug this:
[ 83.864055][ T4323]
[ 83.876719][ T4323]
[ 83.876719][ T4323] rcu_scheduler_active = 2, debug_locks = 1
[ 83.885489][ T4323] 1 lock held by syz.0.17/4323:
[ 83.890456][ T4323] #0: ffffffff8c31f4a0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 83.900914][ T4323]
[ 83.900914][ T4323] stack backtrace:
[ 83.907277][ T4323] CPU: 0 PID: 4323 Comm: syz.0.17 Not tainted syzkaller #0
[ 83.914693][ T4323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 83.925059][ T4323] Call Trace:
[ 83.928628][ T4323]
[ 83.931618][ T4323] dump_stack_lvl+0x188/0x250
[ 83.936338][ T4323] ? load_image+0x400/0x400
[ 83.940958][ T4323] ? show_regs_print_info+0x20/0x20
[ 83.946175][ T4323] ? print_tainted+0x148/0x170
[ 83.951075][ T4323] ? lockdep_rcu_suspicious+0x110/0x180
[ 83.956647][ T4323] get_callchain_entry+0x2a5/0x3b0
[ 83.961781][ T4323] get_perf_callchain+0xab/0x460
[ 83.966754][ T4323] ? put_callchain_entry+0xb0/0xb0
[ 83.971908][ T4323] ? mark_lock+0x94/0x320
[ 83.976261][ T4323] ? verify_lock_unused+0x140/0x140
[ 83.981482][ T4323] ? __lock_acquire+0x13bc/0x7d10
[ 83.986531][ T4323] __bpf_get_stack+0x2db/0x530
[ 83.991433][ T4323] ? stack_map_get_build_id_offset+0x860/0x860
[ 83.997696][ T4323] ? __cant_sleep+0x220/0x220
[ 84.002490][ T4323] ? bpf_prog_b8a90dd1efcc4ad9+0x3d/0x15c
[ 84.008236][ T4323] bpf_get_stack_raw_tp+0x189/0x1c0
[ 84.013505][ T4323] bpf_prog_b8a90dd1efcc4ad9+0x3d/0x15c
[ 84.019171][ T4323] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 84.024879][ T4323] bpf_prog_test_run_syscall+0x35a/0x4f0
[ 84.030560][ T4323] ? sock_gen_cookie+0x60/0x60
[ 84.035443][ T4323] ? __fdget+0x150/0x210
[ 84.039971][ T4323] ? sock_gen_cookie+0x60/0x60
[ 84.044945][ T4323] bpf_prog_test_run+0x31e/0x390
[ 84.050035][ T4323] __sys_bpf+0x5a5/0x6f0
[ 84.054397][ T4323] ? bpf_link_show_fdinfo+0x380/0x380
[ 84.059803][ T4323] ? vtime_user_exit+0x2c8/0x3e0
[ 84.064777][ T4323] __x64_sys_bpf+0x78/0x90
[ 84.069224][ T4323] do_syscall_64+0x4c/0xa0
[ 84.073790][ T4323] ? clear_bhb_loop+0x30/0x80
[ 84.078486][ T4323] ? clear_bhb_loop+0x30/0x80
[ 84.083183][ T4323] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 84.089099][ T4323] RIP: 0033:0x7f7b86e1ce59
[ 84.093532][ T4323] 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
[ 84.113515][ T4323] RSP: 002b:00007fff43ef1ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 84.122126][ T4323] RAX: ffffffffffffffda RBX: 00007f7b87095fa0 RCX: 00007f7b86e1ce59
[ 84.130431][ T4323] RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a
[ 84.138599][ T4323] RBP: 00007f7b86eb2d6f R08: 0000000000000000 R09: 0000000000000000
[ 84.146677][ T4323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 84.154665][ T4323] R13: 00007f7b87095fac R14: 00007f7b87095fa0 R15: 00007f7b87095fa0
[ 84.162689][ T4323]
[ 84.173371][ T4323]
[ 84.175752][ T4323] =============================
[ 84.180879][ T4323] WARNING: suspicious RCU usage
[ 84.186228][ T4323] syzkaller #0 Not tainted
[ 84.190752][ T4323] -----------------------------
[ 84.196105][ T4323] include/linux/perf_event.h:1274 suspicious rcu_dereference_check() usage!
[ 84.206077][ T4323]
[ 84.206077][ T4323] other info that might help us debug this:
[ 84.206077][ T4323]
[ 84.217118][ T4323]
[ 84.217118][ T4323] rcu_scheduler_active = 2, debug_locks = 1
[ 84.225707][ T4323] 1 lock held by syz.0.17/4323:
[ 84.230715][ T4323] #0: ffffffff8c31f4a0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 84.241921][ T4323]
[ 84.241921][ T4323] stack backtrace:
[ 84.248048][ T4323] CPU: 0 PID: 4323 Comm: syz.0.17 Not tainted syzkaller #0
[ 84.255277][ T4323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 84.265710][ T4323] Call Trace:
[ 84.269296][ T4323]
[ 84.272258][ T4323] dump_stack_lvl+0x188/0x250
[ 84.277135][ T4323] ? load_image+0x400/0x400
[ 84.281752][ T4323] ? show_regs_print_info+0x20/0x20
[ 84.286965][ T4323] ? print_tainted+0x148/0x170
[ 84.291763][ T4323] ? lockdep_rcu_suspicious+0x110/0x180
[ 84.297330][ T4323] perf_callchain_user+0x3d6/0xfd0
[ 84.302480][ T4323] ? get_callchain_entry+0x181/0x3b0
[ 84.307913][ T4323] get_perf_callchain+0x33d/0x460
[ 84.312971][ T4323] ? put_callchain_entry+0xb0/0xb0
[ 84.318106][ T4323] ? mark_lock+0x94/0x320
[ 84.322457][ T4323] ? verify_lock_unused+0x140/0x140
[ 84.327787][ T4323] ? __lock_acquire+0x13bc/0x7d10
[ 84.332930][ T4323] __bpf_get_stack+0x2db/0x530
[ 84.337725][ T4323] ? stack_map_get_build_id_offset+0x860/0x860
[ 84.343903][ T4323] ? __cant_sleep+0x220/0x220
[ 84.348696][ T4323] ? bpf_prog_b8a90dd1efcc4ad9+0x3d/0x15c
[ 84.354526][ T4323] bpf_get_stack_raw_tp+0x189/0x1c0
[ 84.359877][ T4323] bpf_prog_b8a90dd1efcc4ad9+0x3d/0x15c
[ 84.365447][ T4323] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 84.371052][ T4323] bpf_prog_test_run_syscall+0x35a/0x4f0
[ 84.376719][ T4323] ? sock_gen_cookie+0x60/0x60
[ 84.381526][ T4323] ? __fdget+0x150/0x210
[ 84.385809][ T4323] ? sock_gen_cookie+0x60/0x60
[ 84.390606][ T4323] bpf_prog_test_run+0x31e/0x390
[ 84.395581][ T4323] __sys_bpf+0x5a5/0x6f0
[ 84.399941][ T4323] ? bpf_link_show_fdinfo+0x380/0x380
[ 84.405439][ T4323] ? vtime_user_exit+0x2c8/0x3e0
[ 84.410525][ T4323] __x64_sys_bpf+0x78/0x90
[ 84.414966][ T4323] do_syscall_64+0x4c/0xa0
[ 84.419402][ T4323] ? clear_bhb_loop+0x30/0x80
[ 84.424099][ T4323] ? clear_bhb_loop+0x30/0x80
[ 84.428799][ T4323] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 84.434709][ T4323] RIP: 0033:0x7f7b86e1ce59
[ 84.439144][ T4323] 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
[ 84.458771][ T4323] RSP: 002b:00007fff43ef1ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 84.467305][ T4323] RAX: ffffffffffffffda RBX: 00007f7b87095fa0 RCX: 00007f7b86e1ce59
[ 84.475658][ T4323] RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a
[ 84.483833][ T4323] RBP: 00007f7b86eb2d6f R08: 0000000000000000 R09: 0000000000000000
[ 84.492140][ T4323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 84.500223][ T4323] R13: 00007f7b87095fac R14: 00007f7b87095fa0 R15: 00007f7b87095fa0
[ 84.509116][ T4323]
[ 84.514896][ T7] Bluetooth: hci0: command 0x040f tx timeout