Warning: Permanently added '10.128.1.44' (ED25519) to the list of known hosts. 2026/06/20 03:10:28 parsed 1 programs 2026/06/20 03:10:28 serving rpc on tcp://40355 [ 53.892308][ T4200] cgroup: Unknown subsys name 'net' [ 54.068278][ T4200] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 55.306768][ T4200] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 57.825265][ T1280] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.843078][ T1280] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.853231][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.881434][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.889901][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.898843][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.510491][ T487] ODEBUG: Out of memory. ODEBUG disabled [ 58.880730][ T4283] chnl_net:caif_netlink_parms(): no params data found [ 58.916820][ T4283] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.924514][ T4283] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.932226][ T4283] device bridge_slave_0 entered promiscuous mode [ 58.940807][ T4283] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.947927][ T4283] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.955734][ T4283] device bridge_slave_1 entered promiscuous mode [ 58.973076][ T4283] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.984484][ T4283] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.002509][ T4283] team0: Port device team_slave_0 added [ 59.009603][ T4283] team0: Port device team_slave_1 added [ 59.024152][ T4283] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.031109][ T4283] 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. [ 59.057016][ T4283] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.068745][ T4283] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.075730][ T4283] 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. [ 59.101698][ T4283] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.126922][ T4283] device hsr_slave_0 entered promiscuous mode [ 59.133923][ T4283] device hsr_slave_1 entered promiscuous mode [ 59.209033][ T4283] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.218747][ T4283] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.227497][ T4283] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.237124][ T4283] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.270961][ T4283] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.279156][ T4283] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.286850][ T4283] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.294197][ T4283] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.346931][ T4283] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.378922][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.388072][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.396178][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.403968][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 59.416886][ T4283] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.443848][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.452467][ T4247] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.459571][ T4247] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.471053][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.479762][ T4247] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.486871][ T4247] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.518534][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.527613][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.545156][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.554385][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.562581][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.571902][ T4283] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.674700][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.682214][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.697109][ T4283] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.722714][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.739443][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.748021][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.756427][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.766678][ T4283] device veth0_vlan entered promiscuous mode [ 59.791089][ T4283] device veth1_vlan entered promiscuous mode [ 59.808545][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.817597][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.826566][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.838146][ T4283] device veth0_macvtap entered promiscuous mode [ 59.859342][ T4283] device veth1_macvtap entered promiscuous mode [ 59.870020][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.884628][ T4283] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.892141][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 59.901252][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.913093][ T4283] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.922254][ T4283] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.931470][ T4283] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.941085][ T4283] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.949975][ T4283] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.966317][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 59.975373][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/06/20 03:10:36 executed programs: 0 [ 60.721051][ T4302] chnl_net:caif_netlink_parms(): no params data found [ 60.784593][ T4302] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.791763][ T4302] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.802044][ T4302] device bridge_slave_0 entered promiscuous mode [ 60.810692][ T4302] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.820045][ T4302] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.828595][ T4302] device bridge_slave_1 entered promiscuous mode [ 60.854949][ T4302] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.866228][ T4302] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.891257][ T4302] team0: Port device team_slave_0 added [ 60.898982][ T4302] team0: Port device team_slave_1 added [ 60.918450][ T4302] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.925920][ T4302] 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. [ 60.952242][ T4302] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.968692][ T4302] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.977085][ T4302] 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. [ 61.014511][ T4302] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.051766][ T4302] device hsr_slave_0 entered promiscuous mode [ 61.059263][ T4302] device hsr_slave_1 entered promiscuous mode [ 61.065916][ T4302] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.073983][ T4302] Cannot create hsr debugfs directory [ 61.157607][ T4302] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.683310][ T4272] Bluetooth: hci0: command 0x0409 tx timeout [ 63.497532][ T4302] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.762946][ T4269] Bluetooth: hci0: command 0x041b tx timeout [ 65.087542][ T4302] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.137946][ T4302] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.236695][ T4302] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.246455][ T4302] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.263838][ T4302] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.272286][ T4302] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.317040][ T4302] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.328519][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.337492][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.354747][ T4302] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.364078][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.372924][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.381556][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.388673][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.399205][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.407355][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.417235][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.425786][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.432865][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.444465][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.466651][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.478289][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.487764][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.503726][ T4302] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.514687][ T4302] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.525966][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.535543][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.544143][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.552426][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.560815][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.569942][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.578435][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.586798][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.665043][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.672526][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.690934][ T4302] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.718905][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.727760][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.739783][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.748185][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.756930][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.765276][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.777504][ T487] device hsr_slave_0 left promiscuous mode [ 65.784285][ T487] device hsr_slave_1 left promiscuous mode [ 65.790557][ T487] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 65.798567][ T487] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 65.809212][ T487] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 65.816738][ T487] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 65.824297][ T487] device bridge_slave_1 left promiscuous mode [ 65.831073][ T487] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.842494][ T487] device bridge_slave_0 left promiscuous mode [ 65.848851][ T487] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.864679][ T487] device veth1_macvtap left promiscuous mode [ 65.870932][ T487] device veth0_macvtap left promiscuous mode [ 65.877440][ T487] device veth1_vlan left promiscuous mode [ 65.883623][ T487] device veth0_vlan left promiscuous mode [ 65.993240][ T487] team0 (unregistering): Port device team_slave_1 removed [ 66.006071][ T487] team0 (unregistering): Port device team_slave_0 removed [ 66.017721][ T487] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 66.032506][ T487] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 66.077116][ T487] bond0 (unregistering): Released all slaves [ 66.152054][ T4302] device veth0_vlan entered promiscuous mode [ 66.165777][ T4302] device veth1_vlan entered promiscuous mode [ 66.181080][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.189861][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.198024][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.211999][ T4247] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.223062][ T4302] device veth0_macvtap entered promiscuous mode [ 66.242310][ T4302] device veth1_macvtap entered promiscuous mode [ 66.259122][ T4302] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.269413][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.277442][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.286724][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.295533][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.306903][ T4302] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.316757][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.325967][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.338785][ T4302] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.347684][ T4302] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.356485][ T4302] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.365610][ T4302] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.414031][ T4247] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.425439][ T4247] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.438938][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.457340][ T4247] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.465498][ T4247] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.473744][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.514383][ T4319] [ 66.516891][ T4319] ============================= [ 66.521718][ T4319] WARNING: suspicious RCU usage [ 66.536607][ T4319] syzkaller #0 Not tainted [ 66.541060][ T4319] ----------------------------- [ 66.546286][ T4319] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage! [ 66.555421][ T4319] [ 66.555421][ T4319] other info that might help us debug this: [ 66.555421][ T4319] [ 66.566384][ T4319] [ 66.566384][ T4319] rcu_scheduler_active = 2, debug_locks = 1 [ 66.574552][ T4319] 1 lock held by syz.0.17/4319: [ 66.579402][ T4319] #0: ffffffff8c31f0a0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30 [ 66.590119][ T4319] [ 66.590119][ T4319] stack backtrace: [ 66.596435][ T4319] CPU: 0 PID: 4319 Comm: syz.0.17 Not tainted syzkaller #0 [ 66.603650][ T4319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 66.613724][ T4319] Call Trace: [ 66.617358][ T4319] [ 66.620289][ T4319] dump_stack_lvl+0x188/0x250 [ 66.624981][ T4319] ? load_image+0x410/0x410 [ 66.629491][ T4319] ? show_regs_print_info+0x20/0x20 [ 66.634691][ T4319] ? print_tainted+0x148/0x170 [ 66.639473][ T4319] ? lockdep_rcu_suspicious+0x110/0x180 [ 66.645036][ T4319] get_callchain_entry+0x2a5/0x3b0 [ 66.650158][ T4319] get_perf_callchain+0xab/0x460 [ 66.655104][ T4319] ? put_callchain_entry+0xb0/0xb0 [ 66.660233][ T4319] ? mark_lock+0x94/0x320 [ 66.664566][ T4319] __bpf_get_stack+0x2db/0x530 [ 66.669345][ T4319] ? stack_map_get_build_id_offset+0x860/0x860 [ 66.675506][ T4319] ? __cant_sleep+0x220/0x220 [ 66.680192][ T4319] ? bpf_prog_14d9fb3786f83342+0x3d/0x404 [ 66.685921][ T4319] bpf_get_stack_raw_tp+0x189/0x1c0 [ 66.691135][ T4319] bpf_prog_14d9fb3786f83342+0x3d/0x404 [ 66.696687][ T4319] bpf_prog_run_pin_on_cpu+0x63/0x140 [ 66.702075][ T4319] bpf_prog_test_run_syscall+0x361/0x500 [ 66.707716][ T4319] ? sock_gen_cookie+0x60/0x60 [ 66.712488][ T4319] ? __fdget+0x150/0x210 [ 66.716740][ T4319] ? sock_gen_cookie+0x60/0x60 [ 66.721509][ T4319] bpf_prog_test_run+0x31c/0x390 [ 66.726459][ T4319] __sys_bpf+0x5a5/0x6f0 [ 66.730706][ T4319] ? bpf_link_show_fdinfo+0x380/0x380 [ 66.736103][ T4319] __x64_sys_bpf+0x78/0x90 [ 66.740577][ T4319] do_syscall_64+0x4c/0xa0 [ 66.745168][ T4319] ? clear_bhb_loop+0x30/0x80 [ 66.749910][ T4319] ? clear_bhb_loop+0x30/0x80 [ 66.754599][ T4319] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 66.760516][ T4319] RIP: 0033:0x7fd7b9a4ee59 [ 66.764941][ T4319] 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 [ 66.784652][ T4319] RSP: 002b:00007ffe35deb238 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 66.793071][ T4319] RAX: ffffffffffffffda RBX: 00007fd7b9cc7fa0 RCX: 00007fd7b9a4ee59 [ 66.801131][ T4319] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a [ 66.809207][ T4319] RBP: 00007fd7b9ae4e6f R08: 0000000000000000 R09: 0000000000000000 [ 66.817187][ T4319] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 66.825163][ T4319] R13: 00007fd7b9cc7fac R14: 00007fd7b9cc7fa0 R15: 00007fd7b9cc7fa0 [ 66.833152][ T4319] [ 66.841352][ T4319] [ 66.843892][ T4272] Bluetooth: hci0: command 0x040f tx timeout [ 66.849984][ T4319] ============================= [ 66.855032][ T4319] WARNING: suspicious RCU usage [ 66.859885][ T4319] syzkaller #0 Not tainted [ 66.864879][ T4319] ----------------------------- [ 66.869729][ T4319] include/linux/perf_event.h:1274 suspicious rcu_dereference_check() usage! [ 66.878450][ T4319] [ 66.878450][ T4319] other info that might help us debug this: [ 66.878450][ T4319] [ 66.888726][ T4319] [ 66.888726][ T4319] rcu_scheduler_active = 2, debug_locks = 1 [ 66.897175][ T4319] 1 lock held by syz.0.17/4319: [ 66.902027][ T4319] #0: ffffffff8c31f0a0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30 [ 66.912236][ T4319] [ 66.912236][ T4319] stack backtrace: [ 66.918724][ T4319] CPU: 0 PID: 4319 Comm: syz.0.17 Not tainted syzkaller #0 [ 66.925936][ T4319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 66.936002][ T4319] Call Trace: [ 66.939281][ T4319] [ 66.942213][ T4319] dump_stack_lvl+0x188/0x250 [ 66.946894][ T4319] ? load_image+0x410/0x410 [ 66.951398][ T4319] ? show_regs_print_info+0x20/0x20 [ 66.956701][ T4319] ? lockdep_rcu_suspicious+0x110/0x180 [ 66.962249][ T4319] perf_callchain_kernel+0x625/0x760 [ 66.967541][ T4319] ? load_image+0x410/0x410 [ 66.972054][ T4319] ? show_regs_print_info+0x20/0x20 [ 66.977257][ T4319] ? print_tainted+0x148/0x170 [ 66.982057][ T4319] ? arch_perf_update_userpage+0x3c0/0x3c0 [ 66.987881][ T4319] ? get_callchain_entry+0x181/0x3b0 [ 66.993169][ T4319] get_perf_callchain+0x356/0x460 [ 66.998199][ T4319] ? put_callchain_entry+0xb0/0xb0 [ 67.003325][ T4319] ? mark_lock+0x94/0x320 [ 67.007661][ T4319] __bpf_get_stack+0x2db/0x530 [ 67.012439][ T4319] ? stack_map_get_build_id_offset+0x860/0x860 [ 67.018596][ T4319] ? __cant_sleep+0x220/0x220 [ 67.023277][ T4319] ? bpf_prog_14d9fb3786f83342+0x3d/0x404 [ 67.029008][ T4319] bpf_get_stack_raw_tp+0x189/0x1c0 [ 67.034219][ T4319] bpf_prog_14d9fb3786f83342+0x3d/0x404 [ 67.039769][ T4319] bpf_prog_run_pin_on_cpu+0x63/0x140 [ 67.045154][ T4319] bpf_prog_test_run_syscall+0x361/0x500 [ 67.050807][ T4319] ? sock_gen_cookie+0x60/0x60 [ 67.055584][ T4319] ? __fdget+0x150/0x210 [ 67.059831][ T4319] ? sock_gen_cookie+0x60/0x60 [ 67.064599][ T4319] bpf_prog_test_run+0x31c/0x390 [ 67.069546][ T4319] __sys_bpf+0x5a5/0x6f0 [ 67.073791][ T4319] ? bpf_link_show_fdinfo+0x380/0x380 [ 67.079185][ T4319] __x64_sys_bpf+0x78/0x90 [ 67.083609][ T4319] do_syscall_64+0x4c/0xa0 [ 67.088029][ T4319] ? clear_bhb_loop+0x30/0x80 [ 67.092705][ T4319] ? clear_bhb_loop+0x30/0x80 [ 67.097388][ T4319] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.103285][ T4319] RIP: 0033:0x7fd7b9a4ee59 [ 67.107703][ T4319] 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 [ 67.127310][ T4319] RSP: 002b:00007ffe35deb238 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 67.136171][ T4319] RAX: ffffffffffffffda RBX: 00007fd7b9cc7fa0 RCX: 00007fd7b9a4ee59 [ 67.144145][ T4319] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a [ 67.152121][ T4319] RBP: 00007fd7b9ae4e6f R08: 0000000000000000 R09: 0000000000000000 [ 67.160097][ T4319] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 67.168080][ T4319] R13: 00007fd7b9cc7fac R14: 00007fd7b9cc7fa0 R15: 00007fd7b9cc7fa0 [ 67.176079][ T4319]