Warning: Permanently added '10.128.1.94' (ED25519) to the list of known hosts.
2026/07/23 07:25:39 parsed 1 programs
2026/07/23 07:25:39 serving rpc on tcp://42707
[ 61.464060][ T4197] cgroup: Unknown subsys name 'net'
[ 61.613059][ T4197] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 63.025559][ T4197] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 65.907075][ T4248] chnl_net:caif_netlink_parms(): no params data found
[ 65.969044][ T4248] bridge0: port 1(bridge_slave_0) entered blocking state
[ 65.978731][ T4248] bridge0: port 1(bridge_slave_0) entered disabled state
[ 65.987467][ T4248] device bridge_slave_0 entered promiscuous mode
[ 65.998420][ T4248] bridge0: port 2(bridge_slave_1) entered blocking state
[ 66.006043][ T4248] bridge0: port 2(bridge_slave_1) entered disabled state
[ 66.014201][ T4248] device bridge_slave_1 entered promiscuous mode
[ 66.038932][ T4248] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 66.051086][ T4248] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 66.079686][ T4248] team0: Port device team_slave_0 added
[ 66.087952][ T4248] team0: Port device team_slave_1 added
[ 66.105798][ T4248] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 66.113113][ T4248] 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.
[ 66.141040][ T4248] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 66.154181][ T4248] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 66.161451][ T4248] 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.
[ 66.188204][ T4248] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 66.224125][ T4248] device hsr_slave_0 entered promiscuous mode
[ 66.231727][ T4248] device hsr_slave_1 entered promiscuous mode
[ 66.330422][ T4248] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 66.345645][ T4248] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 66.356339][ T4248] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 66.389089][ T4248] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 66.469914][ T4248] bridge0: port 2(bridge_slave_1) entered blocking state
[ 66.478615][ T4248] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 66.486952][ T4248] bridge0: port 1(bridge_slave_0) entered blocking state
[ 66.494253][ T4248] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 66.553824][ T4248] 8021q: adding VLAN 0 to HW filter on device bond0
[ 66.565672][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 66.576562][ T145] bridge0: port 1(bridge_slave_0) entered disabled state
[ 66.586656][ T145] bridge0: port 2(bridge_slave_1) entered disabled state
[ 66.595021][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 66.608679][ T4248] 8021q: adding VLAN 0 to HW filter on device team0
[ 66.620628][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 66.630616][ T145] bridge0: port 1(bridge_slave_0) entered blocking state
[ 66.638975][ T145] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 66.661205][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 66.669896][ T145] bridge0: port 2(bridge_slave_1) entered blocking state
[ 66.677106][ T145] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 66.686679][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 66.695708][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 66.706948][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 66.719931][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 66.734111][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 66.745375][ T4248] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 66.817713][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 66.825351][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 66.838862][ T4248] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 66.874226][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 66.883687][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 66.900494][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 66.909574][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 66.918855][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 66.929261][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 66.955038][ T4248] device veth0_vlan entered promiscuous mode
[ 66.969562][ T4248] device veth1_vlan entered promiscuous mode
[ 67.003497][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 67.012594][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 67.021094][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 67.029613][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 67.056599][ T4248] device veth0_macvtap entered promiscuous mode
[ 67.066865][ T4248] device veth1_macvtap entered promiscuous mode
[ 67.081336][ T4248] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 67.090788][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 67.099573][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 67.109852][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 67.119607][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 67.132006][ T4248] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 67.140709][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 67.150773][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 67.172596][ T4248] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.181779][ T4248] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.191645][ T4248] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.201339][ T4248] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.326361][ T4248] syz-executor (4248) used greatest stack depth: 20016 bytes left
[ 67.605595][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 67.615904][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 67.633497][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 67.645687][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 67.654498][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 67.664647][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2026/07/23 07:25:47 executed programs: 0
[ 68.762397][ T4294] chnl_net:caif_netlink_parms(): no params data found
[ 68.808465][ T4294] bridge0: port 1(bridge_slave_0) entered blocking state
[ 68.815695][ T4294] bridge0: port 1(bridge_slave_0) entered disabled state
[ 68.824368][ T4294] device bridge_slave_0 entered promiscuous mode
[ 68.833748][ T4294] bridge0: port 2(bridge_slave_1) entered blocking state
[ 68.842447][ T4294] bridge0: port 2(bridge_slave_1) entered disabled state
[ 68.851858][ T4294] device bridge_slave_1 entered promiscuous mode
[ 68.881972][ T4294] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 68.895485][ T4294] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 68.922426][ T4294] team0: Port device team_slave_0 added
[ 68.930797][ T4294] team0: Port device team_slave_1 added
[ 68.949741][ T4294] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 68.956719][ T4294] 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.
[ 68.983159][ T4294] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 68.996213][ T4294] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 69.003941][ T4294] 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.
[ 69.030634][ T4294] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 69.061995][ T4294] device hsr_slave_0 entered promiscuous mode
[ 69.070114][ T4294] device hsr_slave_1 entered promiscuous mode
[ 69.076766][ T4294] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 69.085063][ T4294] Cannot create hsr debugfs directory
[ 69.145828][ T4294] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 70.708279][ T4260] Bluetooth: hci0: command 0x0409 tx timeout
[ 71.439348][ T1432] ieee802154 phy0 wpan0: encryption failed: -22
[ 71.446955][ T1432] ieee802154 phy1 wpan1: encryption failed: -22
[ 72.723179][ T4294] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 72.787491][ T7] Bluetooth: hci0: command 0x041b tx timeout
[ 72.796594][ T4294] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 72.874559][ T4294] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 72.966213][ T4294] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 72.977122][ T4294] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 72.986720][ T4294] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 73.000603][ T4294] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 73.042144][ T4294] 8021q: adding VLAN 0 to HW filter on device bond0
[ 73.064958][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 73.073541][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 73.083768][ T4294] 8021q: adding VLAN 0 to HW filter on device team0
[ 73.105548][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 73.115468][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 73.125650][ T9] bridge0: port 1(bridge_slave_0) entered blocking state
[ 73.132782][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 73.142154][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 73.164564][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 73.173763][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 73.182865][ T9] bridge0: port 2(bridge_slave_1) entered blocking state
[ 73.190459][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 73.205857][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 73.218158][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 73.229566][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 73.239588][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 73.248499][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 73.271800][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 73.280730][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 73.291853][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 73.300471][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 73.322866][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 73.331783][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 73.342862][ T4294] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 73.451681][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 73.460370][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 73.473378][ T4294] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 73.502288][ T1227] device hsr_slave_0 left promiscuous mode
[ 73.510233][ T1227] device hsr_slave_1 left promiscuous mode
[ 73.518177][ T1227] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 73.525953][ T1227] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 73.535371][ T1227] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 73.544959][ T1227] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 73.553117][ T1227] device bridge_slave_1 left promiscuous mode
[ 73.560097][ T1227] bridge0: port 2(bridge_slave_1) entered disabled state
[ 73.573405][ T1227] device bridge_slave_0 left promiscuous mode
[ 73.580835][ T1227] bridge0: port 1(bridge_slave_0) entered disabled state
[ 73.595870][ T1227] device veth1_macvtap left promiscuous mode
[ 73.603299][ T1227] device veth0_macvtap left promiscuous mode
[ 73.609982][ T1227] device veth1_vlan left promiscuous mode
[ 73.616170][ T1227] device veth0_vlan left promiscuous mode
[ 73.754356][ T1227] team0 (unregistering): Port device team_slave_1 removed
[ 73.768859][ T1227] team0 (unregistering): Port device team_slave_0 removed
[ 73.781395][ T1227] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 73.798994][ T1227] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 73.850558][ T1227] bond0 (unregistering): Released all slaves
[ 73.903206][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 73.912395][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 73.935349][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 73.944252][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 73.953588][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 73.962217][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 73.972596][ T4294] device veth0_vlan entered promiscuous mode
[ 73.987628][ T4294] device veth1_vlan entered promiscuous mode
[ 74.011528][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 74.020938][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 74.031267][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 74.040118][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 74.051170][ T4294] device veth0_macvtap entered promiscuous mode
[ 74.066469][ T4294] device veth1_macvtap entered promiscuous mode
[ 74.075634][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 74.084428][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 74.101352][ T4294] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 74.111311][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 74.120749][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 74.132617][ T4294] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 74.141187][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 74.151215][ T618] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 74.163602][ T4294] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 74.173396][ T4294] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 74.183095][ T4294] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 74.192489][ T4294] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 74.256920][ T145] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 74.266844][ T145] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 74.284731][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 74.298901][ T618] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 74.309319][ T618] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 74.318510][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 74.382017][ T4313]
[ 74.384495][ T4313] =============================
[ 74.390361][ T4313] WARNING: suspicious RCU usage
[ 74.395662][ T4313] syzkaller #0 Not tainted
[ 74.403461][ T4313] -----------------------------
[ 74.409296][ T4313] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage!
[ 74.418810][ T4313]
[ 74.418810][ T4313] other info that might help us debug this:
[ 74.418810][ T4313]
[ 74.430930][ T4313]
[ 74.430930][ T4313] rcu_scheduler_active = 2, debug_locks = 1
[ 74.439675][ T4313] 1 lock held by syz.0.17/4313:
[ 74.444629][ T4313] #0: ffffffff8c31f0a0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 74.454937][ T4313]
[ 74.454937][ T4313] stack backtrace:
[ 74.462065][ T4313] CPU: 1 PID: 4313 Comm: syz.0.17 Not tainted syzkaller #0
[ 74.469306][ T4313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
[ 74.479669][ T4313] Call Trace:
[ 74.483051][ T4313]
[ 74.485996][ T4313] dump_stack_lvl+0x188/0x250
[ 74.490888][ T4313] ? load_image+0x410/0x410
[ 74.495921][ T4313] ? show_regs_print_info+0x20/0x20
[ 74.501565][ T4313] ? print_tainted+0x148/0x170
[ 74.506700][ T4313] ? lockdep_rcu_suspicious+0x110/0x180
[ 74.512251][ T4313] get_callchain_entry+0x2a5/0x3b0
[ 74.517741][ T4313] get_perf_callchain+0xab/0x460
[ 74.522874][ T4313] ? put_callchain_entry+0xb0/0xb0
[ 74.528015][ T4313] ? mark_lock+0x94/0x320
[ 74.532527][ T4313] __bpf_get_stack+0x2db/0x530
[ 74.537483][ T4313] ? stack_map_get_build_id_offset+0x860/0x860
[ 74.543825][ T4313] ? __cant_sleep+0x220/0x220
[ 74.548530][ T4313] ? bpf_prog_14d9fb3786f83342+0x3d/0x178
[ 74.554554][ T4313] bpf_get_stack_raw_tp+0x189/0x1c0
[ 74.560057][ T4313] bpf_prog_14d9fb3786f83342+0x3d/0x178
[ 74.565706][ T4313] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 74.571111][ T4313] bpf_prog_test_run_syscall+0x361/0x500
[ 74.576851][ T4313] ? sock_gen_cookie+0x60/0x60
[ 74.581808][ T4313] ? __fdget+0x150/0x210
[ 74.586180][ T4313] ? sock_gen_cookie+0x60/0x60
[ 74.590964][ T4313] bpf_prog_test_run+0x31c/0x390
[ 74.596003][ T4313] __sys_bpf+0x5a5/0x6f0
[ 74.600352][ T4313] ? bpf_link_show_fdinfo+0x380/0x380
[ 74.605748][ T4313] __x64_sys_bpf+0x78/0x90
[ 74.610345][ T4313] do_syscall_64+0x4c/0xa0
[ 74.614851][ T4313] ? clear_bhb_loop+0x30/0x80
[ 74.619622][ T4313] ? clear_bhb_loop+0x30/0x80
[ 74.624313][ T4313] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 74.630338][ T4313] RIP: 0033:0x7fa769268e99
[ 74.634767][ T4313] 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
[ 74.654636][ T4313] RSP: 002b:00007ffd3ab62038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 74.663325][ T4313] RAX: ffffffffffffffda RBX: 00007fa7694f0fa0 RCX: 00007fa769268e99
[ 74.671657][ T4313] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a
[ 74.679817][ T4313] RBP: 00007fa7692feeaf R08: 0000000000000000 R09: 0000000000000000
[ 74.687993][ T4313] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 74.696063][ T4313] R13: 00007fa7694f0fac R14: 00007fa7694f0fa0 R15: 00007fa7694f0fa0
[ 74.704156][ T4313]
[ 74.713880][ T4313]
[ 74.716326][ T4313] =============================
[ 74.721964][ T4313] WARNING: suspicious RCU usage
[ 74.727301][ T4313] syzkaller #0 Not tainted
[ 74.732074][ T4313] -----------------------------
[ 74.737580][ T4313] include/linux/perf_event.h:1274 suspicious rcu_dereference_check() usage!
[ 74.746528][ T4313]
[ 74.746528][ T4313] other info that might help us debug this:
[ 74.746528][ T4313]
[ 74.758098][ T4313]
[ 74.758098][ T4313] rcu_scheduler_active = 2, debug_locks = 1
[ 74.767675][ T4313] 1 lock held by syz.0.17/4313:
[ 74.772551][ T4313] #0: ffffffff8c31f0a0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 74.783049][ T4313]
[ 74.783049][ T4313] stack backtrace:
[ 74.790288][ T4313] CPU: 1 PID: 4313 Comm: syz.0.17 Not tainted syzkaller #0
[ 74.797609][ T4313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
[ 74.808506][ T4313] Call Trace:
[ 74.811915][ T4313]
[ 74.815144][ T4313] dump_stack_lvl+0x188/0x250
[ 74.819925][ T4313] ? load_image+0x410/0x410
[ 74.824440][ T4313] ? show_regs_print_info+0x20/0x20
[ 74.830023][ T4313] ? lockdep_rcu_suspicious+0x110/0x180
[ 74.836055][ T4313] perf_callchain_kernel+0x625/0x760
[ 74.841531][ T4313] ? load_image+0x410/0x410
[ 74.846425][ T4313] ? show_regs_print_info+0x20/0x20
[ 74.851636][ T4313] ? print_tainted+0x148/0x170
[ 74.856411][ T4313] ? arch_perf_update_userpage+0x3c0/0x3c0
[ 74.862628][ T4313] ? get_callchain_entry+0x181/0x3b0
[ 74.867934][ T4313] get_perf_callchain+0x356/0x460
[ 74.873052][ T4313] ? put_callchain_entry+0xb0/0xb0
[ 74.878275][ T4313] ? mark_lock+0x94/0x320
[ 74.882696][ T4313] __bpf_get_stack+0x2db/0x530
[ 74.887473][ T4313] ? stack_map_get_build_id_offset+0x860/0x860
[ 74.893990][ T4313] ? __cant_sleep+0x220/0x220
[ 74.897527][ T4263] Bluetooth: hci0: command 0x040f tx timeout
[ 74.898679][ T4313] ? bpf_prog_14d9fb3786f83342+0x3d/0x178
[ 74.910434][ T4313] bpf_get_stack_raw_tp+0x189/0x1c0
[ 74.915647][ T4313] bpf_prog_14d9fb3786f83342+0x3d/0x178
[ 74.921498][ T4313] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 74.926878][ T4313] bpf_prog_test_run_syscall+0x361/0x500
[ 74.932521][ T4313] ? sock_gen_cookie+0x60/0x60
[ 74.937288][ T4313] ? __fdget+0x150/0x210
[ 74.941539][ T4313] ? sock_gen_cookie+0x60/0x60
[ 74.946309][ T4313] bpf_prog_test_run+0x31c/0x390
[ 74.951566][ T4313] __sys_bpf+0x5a5/0x6f0
[ 74.955829][ T4313] ? bpf_link_show_fdinfo+0x380/0x380
[ 74.961251][ T4313] __x64_sys_bpf+0x78/0x90
[ 74.965677][ T4313] do_syscall_64+0x4c/0xa0
[ 74.970177][ T4313] ? clear_bhb_loop+0x30/0x80
[ 74.974954][ T4313] ? clear_bhb_loop+0x30/0x80
[ 74.979628][ T4313] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 74.985710][ T4313] RIP: 0033:0x7fa769268e99
[ 74.990163][ T4313] 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
[ 75.010237][ T4313] RSP: 002b:00007ffd3ab62038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 75.019856][ T4313] RAX: ffffffffffffffda RBX: 00007fa7694f0fa0 RCX: 00007fa769268e99
[ 75.028095][ T4313] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a
[ 75.036066][ T4313] RBP: 00007fa7692feeaf R08: 0000000000000000 R09: 0000000000000000
[ 75.044407][ T4313] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 75.052481][ T4313] R13: 00007fa7694f0fac R14: 00007fa7694f0fa0 R15: 00007fa7694f0fa0
[ 75.060485][ T4313]