Warning: Permanently added '10.128.1.117' (ED25519) to the list of known hosts.
2026/05/04 09:56:37 parsed 1 programs
[ 66.210311][ T4202] cgroup: Unknown subsys name 'net'
[ 66.348220][ T4202] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 67.831000][ T4202] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 69.738187][ T4226] chnl_net:caif_netlink_parms(): no params data found
[ 69.784771][ T4226] bridge0: port 1(bridge_slave_0) entered blocking state
[ 69.792647][ T4226] bridge0: port 1(bridge_slave_0) entered disabled state
[ 69.800758][ T4226] device bridge_slave_0 entered promiscuous mode
[ 69.813051][ T4226] bridge0: port 2(bridge_slave_1) entered blocking state
[ 69.820210][ T4226] bridge0: port 2(bridge_slave_1) entered disabled state
[ 69.828885][ T4226] device bridge_slave_1 entered promiscuous mode
[ 69.850852][ T4226] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 69.862883][ T4226] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 69.890765][ T4226] team0: Port device team_slave_0 added
[ 69.899210][ T4226] team0: Port device team_slave_1 added
[ 69.921740][ T4226] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 69.929052][ T4226] 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.
[ 69.955626][ T4226] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 69.968837][ T4226] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 69.975956][ T4226] 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.
[ 70.002062][ T4226] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 70.042815][ T4226] device hsr_slave_0 entered promiscuous mode
[ 70.049785][ T4226] device hsr_slave_1 entered promiscuous mode
[ 70.187425][ T4226] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 70.199860][ T4226] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 70.211578][ T4226] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 70.222622][ T4226] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 70.256178][ T4226] bridge0: port 2(bridge_slave_1) entered blocking state
[ 70.263533][ T4226] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 70.271641][ T4226] bridge0: port 1(bridge_slave_0) entered blocking state
[ 70.278789][ T4226] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 70.342076][ T4226] 8021q: adding VLAN 0 to HW filter on device bond0
[ 70.359555][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 70.371735][ T154] bridge0: port 1(bridge_slave_0) entered disabled state
[ 70.380994][ T154] bridge0: port 2(bridge_slave_1) entered disabled state
[ 70.390823][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 70.407503][ T4226] 8021q: adding VLAN 0 to HW filter on device team0
[ 70.421673][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 70.431846][ T154] bridge0: port 1(bridge_slave_0) entered blocking state
[ 70.439333][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 70.464205][ T3095] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 70.473900][ T3095] bridge0: port 2(bridge_slave_1) entered blocking state
[ 70.481196][ T3095] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 70.495752][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 70.506142][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 70.526270][ T3095] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 70.535150][ T3095] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 70.549887][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 70.561995][ T4226] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 70.695974][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 70.705096][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 70.720088][ T4226] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 70.743483][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 70.755092][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 70.781100][ T4226] device veth0_vlan entered promiscuous mode
[ 70.789555][ T3095] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 70.799392][ T3095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 70.810616][ T3095] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 70.818978][ T3095] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 70.838617][ T4226] device veth1_vlan entered promiscuous mode
[ 70.873014][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 70.881267][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 70.889523][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 70.899134][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 70.911273][ T4226] device veth0_macvtap entered promiscuous mode
[ 70.924703][ T4226] device veth1_macvtap entered promiscuous mode
[ 70.946319][ T4226] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 70.955112][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 70.964668][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 70.972995][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 70.981841][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 70.995279][ T4226] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 71.003731][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 71.013146][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 71.036943][ T4226] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 71.046270][ T4226] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 71.057967][ T4226] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 71.067297][ T4226] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 71.187943][ T4226] syz-executor (4226) used greatest stack depth: 21136 bytes left
[ 71.319840][ T438] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 71.518577][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 71.528072][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 71.539063][ T3095] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 71.557032][ T3095] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 71.566391][ T3095] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 71.576011][ T1430] ieee802154 phy0 wpan0: encryption failed: -22
[ 71.582672][ T1430] ieee802154 phy1 wpan1: encryption failed: -22
[ 71.592021][ T3095] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2026/05/04 09:56:46 executed programs: 0
[ 72.848753][ T4289] chnl_net:caif_netlink_parms(): no params data found
[ 72.890867][ T4289] bridge0: port 1(bridge_slave_0) entered blocking state
[ 72.898135][ T4289] bridge0: port 1(bridge_slave_0) entered disabled state
[ 72.906859][ T4289] device bridge_slave_0 entered promiscuous mode
[ 72.915475][ T4289] bridge0: port 2(bridge_slave_1) entered blocking state
[ 72.922810][ T4289] bridge0: port 2(bridge_slave_1) entered disabled state
[ 72.930621][ T4289] device bridge_slave_1 entered promiscuous mode
[ 72.954937][ T4289] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 72.966619][ T4289] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 72.988385][ T4289] team0: Port device team_slave_0 added
[ 72.995664][ T4289] team0: Port device team_slave_1 added
[ 73.012855][ T4289] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 73.019843][ T4289] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 73.046201][ T4289] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 73.058595][ T4289] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 73.065841][ T4289] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 73.092760][ T4289] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 73.121496][ T4289] device hsr_slave_0 entered promiscuous mode
[ 73.128542][ T4289] device hsr_slave_1 entered promiscuous mode
[ 73.135552][ T4289] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 73.143730][ T4289] Cannot create hsr debugfs directory
[ 74.018554][ T438] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 74.863059][ T4296] Bluetooth: hci0: command 0x0409 tx timeout
[ 76.229034][ T438] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 76.280079][ T438] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 76.932452][ T4215] Bluetooth: hci0: command 0x041b tx timeout
[ 77.066117][ T4289] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 77.085439][ T4289] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 77.096532][ T4289] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 77.105645][ T4289] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 77.160037][ T4289] 8021q: adding VLAN 0 to HW filter on device bond0
[ 77.175448][ T438] device hsr_slave_0 left promiscuous mode
[ 77.181797][ T438] device hsr_slave_1 left promiscuous mode
[ 77.189248][ T438] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 77.198976][ T438] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 77.208527][ T438] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 77.216404][ T438] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 77.224121][ T438] device bridge_slave_1 left promiscuous mode
[ 77.230995][ T438] bridge0: port 2(bridge_slave_1) entered disabled state
[ 77.245110][ T438] device bridge_slave_0 left promiscuous mode
[ 77.251362][ T438] bridge0: port 1(bridge_slave_0) entered disabled state
[ 77.270247][ T438] device veth1_macvtap left promiscuous mode
[ 77.276683][ T438] device veth0_macvtap left promiscuous mode
[ 77.284027][ T438] device veth1_vlan left promiscuous mode
[ 77.290028][ T438] device veth0_vlan left promiscuous mode
[ 77.430777][ T438] team0 (unregistering): Port device team_slave_1 removed
[ 77.447144][ T438] team0 (unregistering): Port device team_slave_0 removed
[ 77.460346][ T438] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 77.476574][ T438] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 77.530099][ T438] bond0 (unregistering): Released all slaves
[ 77.606008][ T4289] 8021q: adding VLAN 0 to HW filter on device team0
[ 77.616886][ T3095] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 77.625174][ T3095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 77.635435][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 77.645101][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 77.654150][ T154] bridge0: port 1(bridge_slave_0) entered blocking state
[ 77.661229][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 77.683162][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 77.691664][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 77.709389][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 77.718863][ T154] bridge0: port 2(bridge_slave_1) entered blocking state
[ 77.726133][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 77.734233][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 77.745411][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 77.756856][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 77.773910][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 77.790724][ T4289] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 77.801519][ T4289] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 77.817583][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 77.826596][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 77.838897][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 77.848316][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 77.860112][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 77.869561][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 77.878818][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 77.890487][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 77.945011][ T3095] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 77.952702][ T3095] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 77.965604][ T4289] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 77.984978][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 77.994603][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 78.015837][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 78.024928][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 78.034679][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 78.042902][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 78.053327][ T4289] device veth0_vlan entered promiscuous mode
[ 78.077189][ T4289] device veth1_vlan entered promiscuous mode
[ 78.105992][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 78.115347][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 78.124787][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 78.134369][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 78.146437][ T4289] device veth0_macvtap entered promiscuous mode
[ 78.158589][ T4289] device veth1_macvtap entered promiscuous mode
[ 78.178136][ T4289] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 78.187253][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 78.198139][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 78.206528][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 78.215412][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 78.227495][ T4289] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 78.236449][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 78.246773][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 78.258312][ T4289] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 78.268862][ T4289] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 78.278358][ T4289] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 78.289034][ T4289] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 78.357739][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 78.371447][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 78.381115][ T3095] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 78.410616][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 78.419594][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 78.431103][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 78.480994][ T4336]
[ 78.484164][ T4336] =============================
[ 78.489141][ T4336] WARNING: suspicious RCU usage
[ 78.497074][ T4336] syzkaller #0 Not tainted
[ 78.501803][ T4336] -----------------------------
[ 78.507736][ T4336] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage!
[ 78.518710][ T4336]
[ 78.518710][ T4336] other info that might help us debug this:
[ 78.518710][ T4336]
[ 78.529570][ T4336]
[ 78.529570][ T4336] rcu_scheduler_active = 2, debug_locks = 1
[ 78.541148][ T4336] 1 lock held by syz.0.17/4336:
[ 78.546779][ T4336] #0: ffffffff8c31eca0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 78.558431][ T4336]
[ 78.558431][ T4336] stack backtrace:
[ 78.564952][ T4336] CPU: 1 PID: 4336 Comm: syz.0.17 Not tainted syzkaller #0
[ 78.572189][ T4336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 78.582440][ T4336] Call Trace:
[ 78.585735][ T4336]
[ 78.588680][ T4336] dump_stack_lvl+0x188/0x250
[ 78.593380][ T4336] ? load_image+0x400/0x400
[ 78.598101][ T4336] ? show_regs_print_info+0x20/0x20
[ 78.603318][ T4336] ? print_tainted+0x148/0x170
[ 78.608118][ T4336] ? lockdep_rcu_suspicious+0x110/0x180
[ 78.613702][ T4336] get_callchain_entry+0x2a5/0x3b0
[ 78.618864][ T4336] get_perf_callchain+0xab/0x460
[ 78.623835][ T4336] ? put_callchain_entry+0xb0/0xb0
[ 78.629005][ T4336] ? mark_lock+0x94/0x320
[ 78.633375][ T4336] ? verify_lock_unused+0x140/0x140
[ 78.638607][ T4336] ? __lock_acquire+0x13bc/0x7d10
[ 78.643677][ T4336] __bpf_get_stack+0x2db/0x530
[ 78.648723][ T4336] ? stack_map_get_build_id_offset+0x860/0x860
[ 78.655366][ T4336] ? __cant_sleep+0x220/0x220
[ 78.660066][ T4336] ? bpf_prog_d43750871481577d+0x3d/0x9f8
[ 78.665805][ T4336] bpf_get_stack_raw_tp+0x189/0x1c0
[ 78.671118][ T4336] bpf_prog_d43750871481577d+0x3d/0x9f8
[ 78.676862][ T4336] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 78.682270][ T4336] bpf_prog_test_run_syscall+0x35a/0x4f0
[ 78.688021][ T4336] ? sock_gen_cookie+0x60/0x60
[ 78.692903][ T4336] ? __fdget+0x150/0x210
[ 78.697512][ T4336] ? sock_gen_cookie+0x60/0x60
[ 78.702294][ T4336] bpf_prog_test_run+0x31e/0x390
[ 78.707262][ T4336] __sys_bpf+0x5a5/0x6f0
[ 78.711678][ T4336] ? bpf_link_show_fdinfo+0x380/0x380
[ 78.717311][ T4336] ? vtime_user_exit+0x2c8/0x3e0
[ 78.722276][ T4336] __x64_sys_bpf+0x78/0x90
[ 78.726721][ T4336] do_syscall_64+0x4c/0xa0
[ 78.731172][ T4336] ? clear_bhb_loop+0x30/0x80
[ 78.735866][ T4336] ? clear_bhb_loop+0x30/0x80
[ 78.740724][ T4336] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 78.746813][ T4336] RIP: 0033:0x7fecd3e41dd9
[ 78.751251][ T4336] 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
[ 78.771051][ T4336] RSP: 002b:00007fff005dc668 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 78.779672][ T4336] RAX: ffffffffffffffda RBX: 00007fecd40bafa0 RCX: 00007fecd3e41dd9
[ 78.787755][ T4336] RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a
[ 78.796014][ T4336] RBP: 00007fecd3ed7d69 R08: 0000000000000000 R09: 0000000000000000
[ 78.804165][ T4336] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 78.812257][ T4336] R13: 00007fecd40bafac R14: 00007fecd40bafa0 R15: 00007fecd40bafa0
[ 78.820401][ T4336]
[ 78.829824][ T4336]
[ 78.832443][ T4336] =============================
[ 78.837392][ T4336] WARNING: suspicious RCU usage
[ 78.844831][ T4336] syzkaller #0 Not tainted
[ 78.849369][ T4336] -----------------------------
[ 78.858319][ T4336] include/linux/perf_event.h:1274 suspicious rcu_dereference_check() usage!
[ 78.867672][ T4336]
[ 78.867672][ T4336] other info that might help us debug this:
[ 78.867672][ T4336]
[ 78.880289][ T4336]
[ 78.880289][ T4336] rcu_scheduler_active = 2, debug_locks = 1
[ 78.889008][ T4336] 1 lock held by syz.0.17/4336:
[ 78.895699][ T4336] #0: ffffffff8c31eca0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 78.905978][ T4336]
[ 78.905978][ T4336] stack backtrace:
[ 78.911992][ T4336] CPU: 1 PID: 4336 Comm: syz.0.17 Not tainted syzkaller #0
[ 78.919302][ T4336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 78.929400][ T4336] Call Trace:
[ 78.932696][ T4336]
[ 78.935648][ T4336] dump_stack_lvl+0x188/0x250
[ 78.940351][ T4336] ? load_image+0x400/0x400
[ 78.944873][ T4336] ? show_regs_print_info+0x20/0x20
[ 78.950107][ T4336] ? lockdep_rcu_suspicious+0x110/0x180
[ 78.955806][ T4336] perf_callchain_kernel+0x5f1/0x720
[ 78.961119][ T4336] ? load_image+0x400/0x400
[ 78.965656][ T4336] ? show_regs_print_info+0x20/0x20
[ 78.971004][ T4336] ? print_tainted+0x148/0x170
[ 78.975796][ T4336] ? arch_perf_update_userpage+0x3c0/0x3c0
[ 78.981726][ T4336] ? get_callchain_entry+0x181/0x3b0
[ 78.987090][ T4336] get_perf_callchain+0x356/0x460
[ 78.992228][ T4336] ? put_callchain_entry+0xb0/0xb0
[ 78.997561][ T4336] ? mark_lock+0x94/0x320
[ 79.002010][ T4336] ? verify_lock_unused+0x140/0x140
[ 79.007235][ T4336] ? __lock_acquire+0x13bc/0x7d10
[ 79.012376][ T4336] __bpf_get_stack+0x2db/0x530
[ 79.013495][ T4204] Bluetooth: hci0: command 0x040f tx timeout
[ 79.017428][ T4336] ? stack_map_get_build_id_offset+0x860/0x860
[ 79.029570][ T4336] ? __cant_sleep+0x220/0x220
[ 79.034279][ T4336] ? bpf_prog_d43750871481577d+0x3d/0x9f8
[ 79.040131][ T4336] bpf_get_stack_raw_tp+0x189/0x1c0
[ 79.045360][ T4336] bpf_prog_d43750871481577d+0x3d/0x9f8
[ 79.051149][ T4336] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 79.056666][ T4336] bpf_prog_test_run_syscall+0x35a/0x4f0
[ 79.062414][ T4336] ? sock_gen_cookie+0x60/0x60
[ 79.067206][ T4336] ? __fdget+0x150/0x210
[ 79.071641][ T4336] ? sock_gen_cookie+0x60/0x60
[ 79.076510][ T4336] bpf_prog_test_run+0x31e/0x390
[ 79.081482][ T4336] __sys_bpf+0x5a5/0x6f0
[ 79.085744][ T4336] ? bpf_link_show_fdinfo+0x380/0x380
[ 79.091148][ T4336] ? vtime_user_exit+0x2c8/0x3e0
[ 79.096114][ T4336] __x64_sys_bpf+0x78/0x90
[ 79.100638][ T4336] do_syscall_64+0x4c/0xa0
[ 79.105084][ T4336] ? clear_bhb_loop+0x30/0x80
[ 79.109878][ T4336] ? clear_bhb_loop+0x30/0x80
[ 79.114579][ T4336] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 79.120766][ T4336] RIP: 0033:0x7fecd3e41dd9
[ 79.125246][ T4336] 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
[ 79.144961][ T4336] RSP: 002b:00007fff005dc668 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 79.153571][ T4336] RAX: ffffffffffffffda RBX: 00007fecd40bafa0 RCX: 00007fecd3e41dd9
[ 79.161649][ T4336] RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a
[ 79.169711][ T4336] RBP: 00007fecd3ed7d69 R08: 0000000000000000 R09: 0000000000000000
[ 79.177780][ T4336] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 79.185761][ T4336] R13: 00007fecd40bafac R14: 00007fecd40bafa0 R15: 00007fecd40bafa0
[ 79.193925][ T4336]