Warning: Permanently added '10.128.1.48' (ED25519) to the list of known hosts.
2026/06/21 00:29:07 parsed 1 programs
2026/06/21 00:29:07 serving rpc on tcp://44955
[ 58.061648][ T4201] cgroup: Unknown subsys name 'net'
[ 58.192592][ T4201] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 59.384610][ T4201] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 61.755431][ T4244] chnl_net:caif_netlink_parms(): no params data found
[ 61.815652][ T4244] bridge0: port 1(bridge_slave_0) entered blocking state
[ 61.824545][ T4244] bridge0: port 1(bridge_slave_0) entered disabled state
[ 61.833099][ T4244] device bridge_slave_0 entered promiscuous mode
[ 61.843908][ T4244] bridge0: port 2(bridge_slave_1) entered blocking state
[ 61.851383][ T4244] bridge0: port 2(bridge_slave_1) entered disabled state
[ 61.860638][ T4244] device bridge_slave_1 entered promiscuous mode
[ 61.886097][ T4244] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 61.900180][ T4244] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 61.926740][ T4244] team0: Port device team_slave_0 added
[ 61.935197][ T4244] team0: Port device team_slave_1 added
[ 61.956448][ T4244] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 61.964576][ T4244] 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.
[ 61.991803][ T4244] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 62.004861][ T4244] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 62.013028][ T4244] 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.
[ 62.040023][ T4244] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 62.079187][ T4244] device hsr_slave_0 entered promiscuous mode
[ 62.086167][ T4244] device hsr_slave_1 entered promiscuous mode
[ 62.209480][ T4244] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 62.221008][ T4244] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 62.231450][ T4244] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 62.241667][ T4244] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 62.262259][ T4244] bridge0: port 2(bridge_slave_1) entered blocking state
[ 62.269461][ T4244] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 62.277256][ T4244] bridge0: port 1(bridge_slave_0) entered blocking state
[ 62.284372][ T4244] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 62.357462][ T4244] 8021q: adding VLAN 0 to HW filter on device bond0
[ 62.374680][ T391] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 62.405563][ T391] bridge0: port 1(bridge_slave_0) entered disabled state
[ 62.414385][ T391] bridge0: port 2(bridge_slave_1) entered disabled state
[ 62.435925][ T391] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 62.452022][ T4244] 8021q: adding VLAN 0 to HW filter on device team0
[ 62.462450][ T391] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 62.471064][ T391] bridge0: port 1(bridge_slave_0) entered blocking state
[ 62.478275][ T391] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 62.488931][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 62.498206][ T9] bridge0: port 2(bridge_slave_1) entered blocking state
[ 62.505307][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 62.531294][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 62.540006][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 62.548752][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 62.557120][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 62.572092][ T4244] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 62.580004][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 62.651843][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 62.659539][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 62.672978][ T4244] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 62.700040][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 62.716235][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 62.726106][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 62.735454][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 62.744190][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 62.755899][ T4244] device veth0_vlan entered promiscuous mode
[ 62.777000][ T4244] device veth1_vlan entered promiscuous mode
[ 62.793874][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 62.802427][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 62.811467][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 62.820344][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 62.846472][ T4244] device veth0_macvtap entered promiscuous mode
[ 62.855905][ T4244] device veth1_macvtap entered promiscuous mode
[ 62.872058][ T4244] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 62.880000][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 62.888628][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 62.896683][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 62.905399][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 62.927092][ T4244] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 62.934572][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 62.943826][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 62.955383][ T4244] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 62.964586][ T4244] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 62.975289][ T4244] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 62.984282][ T4244] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 63.079213][ T4244] syz-executor (4244) used greatest stack depth: 20448 bytes left
[ 64.001079][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 64.012550][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 64.024705][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 64.051420][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 64.059460][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 64.067390][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2026/06/21 00:29:15 executed programs: 0
[ 64.834954][ T4300] chnl_net:caif_netlink_parms(): no params data found
[ 64.870402][ T4300] bridge0: port 1(bridge_slave_0) entered blocking state
[ 64.878055][ T4300] bridge0: port 1(bridge_slave_0) entered disabled state
[ 64.885954][ T4300] device bridge_slave_0 entered promiscuous mode
[ 64.896326][ T4300] bridge0: port 2(bridge_slave_1) entered blocking state
[ 64.904553][ T4300] bridge0: port 2(bridge_slave_1) entered disabled state
[ 64.915010][ T4300] device bridge_slave_1 entered promiscuous mode
[ 64.937406][ T144] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 64.957604][ T4300] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 64.970006][ T4300] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 64.989203][ T4300] team0: Port device team_slave_0 added
[ 64.996759][ T4300] team0: Port device team_slave_1 added
[ 65.012552][ T4300] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 65.019672][ T4300] 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.
[ 65.045856][ T4300] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 65.058227][ T4300] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 65.065180][ T4300] 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.
[ 65.092503][ T4300] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 65.119798][ T4300] device hsr_slave_0 entered promiscuous mode
[ 65.126713][ T4300] device hsr_slave_1 entered promiscuous mode
[ 65.133332][ T4300] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 65.141154][ T4300] Cannot create hsr debugfs directory
[ 66.758400][ T4259] Bluetooth: hci0: command 0x0409 tx timeout
[ 67.894310][ T144] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 67.942124][ T144] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 68.014222][ T144] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 68.837882][ T21] Bluetooth: hci0: command 0x041b tx timeout
[ 68.882186][ T4300] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 68.903510][ T4300] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 68.912201][ T4300] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 68.922241][ T4300] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 68.985040][ T4300] 8021q: adding VLAN 0 to HW filter on device bond0
[ 69.016221][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 69.024380][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 69.034268][ T4300] 8021q: adding VLAN 0 to HW filter on device team0
[ 69.044451][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 69.054334][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 69.063576][ T154] bridge0: port 1(bridge_slave_0) entered blocking state
[ 69.070875][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 69.079312][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 69.092434][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 69.101213][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 69.110279][ T1235] bridge0: port 2(bridge_slave_1) entered blocking state
[ 69.117340][ T1235] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 69.131902][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 69.141022][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 69.152736][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 69.162085][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 69.171933][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 69.195743][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 69.204546][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 69.215746][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 69.224764][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 69.249038][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 69.257381][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 69.268303][ T4300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 69.354430][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 69.362458][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 69.377754][ T4300] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 69.405180][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 69.414254][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 69.439851][ T4300] device veth0_vlan entered promiscuous mode
[ 69.446724][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 69.455297][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 69.464928][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 69.473083][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 69.487339][ T144] device hsr_slave_0 left promiscuous mode
[ 69.494946][ T144] device hsr_slave_1 left promiscuous mode
[ 69.502213][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 69.509823][ T144] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 69.519568][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 69.526974][ T144] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 69.534794][ T144] device bridge_slave_1 left promiscuous mode
[ 69.542057][ T144] bridge0: port 2(bridge_slave_1) entered disabled state
[ 69.554689][ T144] device bridge_slave_0 left promiscuous mode
[ 69.561341][ T144] bridge0: port 1(bridge_slave_0) entered disabled state
[ 69.576602][ T144] device veth1_macvtap left promiscuous mode
[ 69.583535][ T144] device veth0_macvtap left promiscuous mode
[ 69.590045][ T144] device veth1_vlan left promiscuous mode
[ 69.595964][ T144] device veth0_vlan left promiscuous mode
[ 69.732531][ T144] team0 (unregistering): Port device team_slave_1 removed
[ 69.746462][ T144] team0 (unregistering): Port device team_slave_0 removed
[ 69.760239][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 69.772682][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 69.821889][ T144] bond0 (unregistering): Released all slaves
[ 69.855980][ T4300] device veth1_vlan entered promiscuous mode
[ 69.875435][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 69.885607][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 69.894001][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 69.903107][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 69.913432][ T4300] device veth0_macvtap entered promiscuous mode
[ 69.923260][ T4300] device veth1_macvtap entered promiscuous mode
[ 69.940629][ T4300] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 69.954081][ T4300] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 69.962861][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 69.975099][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 69.983807][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 69.992970][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 70.001731][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 70.010847][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 70.022071][ T4300] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 70.031328][ T4300] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 70.040348][ T4300] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 70.049377][ T4300] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 70.106668][ T4307] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 70.116620][ T4307] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 70.135308][ T4307] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 70.162609][ T4307] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 70.170605][ T4307] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 70.180545][ T1235] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 70.217413][ T4346]
[ 70.230244][ T4346] =============================
[ 70.235329][ T4346] WARNING: suspicious RCU usage
[ 70.242253][ T4346] syzkaller #0 Not tainted
[ 70.246697][ T4346] -----------------------------
[ 70.252574][ T4346] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage!
[ 70.261513][ T4346]
[ 70.261513][ T4346] other info that might help us debug this:
[ 70.261513][ T4346]
[ 70.272120][ T4346]
[ 70.272120][ T4346] rcu_scheduler_active = 2, debug_locks = 1
[ 70.286794][ T4346] 1 lock held by syz.0.17/4346:
[ 70.292681][ T4346] #0: ffffffff8c31f0a0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 70.303087][ T4346]
[ 70.303087][ T4346] stack backtrace:
[ 70.309607][ T4346] CPU: 0 PID: 4346 Comm: syz.0.17 Not tainted syzkaller #0
[ 70.316820][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 70.326893][ T4346] Call Trace:
[ 70.330178][ T4346]
[ 70.333115][ T4346] dump_stack_lvl+0x188/0x250
[ 70.337806][ T4346] ? load_image+0x410/0x410
[ 70.342322][ T4346] ? show_regs_print_info+0x20/0x20
[ 70.347520][ T4346] ? print_tainted+0x148/0x170
[ 70.352294][ T4346] ? lockdep_rcu_suspicious+0x110/0x180
[ 70.357846][ T4346] get_callchain_entry+0x2a5/0x3b0
[ 70.362997][ T4346] get_perf_callchain+0xab/0x460
[ 70.367949][ T4346] ? put_callchain_entry+0xb0/0xb0
[ 70.373074][ T4346] ? mark_lock+0x94/0x320
[ 70.377418][ T4346] __bpf_get_stack+0x2db/0x530
[ 70.382195][ T4346] ? stack_map_get_build_id_offset+0x860/0x860
[ 70.388360][ T4346] ? __cant_sleep+0x220/0x220
[ 70.393403][ T4346] ? bpf_prog_b8a90dd1efcc4ad9+0x3d/0x96c
[ 70.399129][ T4346] bpf_get_stack_raw_tp+0x189/0x1c0
[ 70.404341][ T4346] bpf_prog_b8a90dd1efcc4ad9+0x3d/0x96c
[ 70.409900][ T4346] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 70.415280][ T4346] bpf_prog_test_run_syscall+0x361/0x500
[ 70.421052][ T4346] ? sock_gen_cookie+0x60/0x60
[ 70.425872][ T4346] ? __fdget+0x150/0x210
[ 70.430121][ T4346] ? sock_gen_cookie+0x60/0x60
[ 70.434899][ T4346] bpf_prog_test_run+0x31c/0x390
[ 70.439932][ T4346] __sys_bpf+0x5a5/0x6f0
[ 70.444270][ T4346] ? bpf_link_show_fdinfo+0x380/0x380
[ 70.449683][ T4346] __x64_sys_bpf+0x78/0x90
[ 70.454108][ T4346] do_syscall_64+0x4c/0xa0
[ 70.458533][ T4346] ? clear_bhb_loop+0x30/0x80
[ 70.463213][ T4346] ? clear_bhb_loop+0x30/0x80
[ 70.467896][ T4346] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 70.473811][ T4346] RIP: 0033:0x7efcb52a1e59
[ 70.478238][ T4346] 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
[ 70.497845][ T4346] RSP: 002b:00007fffc21324c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 70.506294][ T4346] RAX: ffffffffffffffda RBX: 00007efcb551afa0 RCX: 00007efcb52a1e59
[ 70.514394][ T4346] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a
[ 70.522402][ T4346] RBP: 00007efcb5337e6f R08: 0000000000000000 R09: 0000000000000000
[ 70.530380][ T4346] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 70.538359][ T4346] R13: 00007efcb551afac R14: 00007efcb551afa0 R15: 00007efcb551afa0
[ 70.546348][ T4346]
[ 70.558011][ T4346]
[ 70.560363][ T4346] =============================
[ 70.565206][ T4346] WARNING: suspicious RCU usage
[ 70.570716][ T4346] syzkaller #0 Not tainted
[ 70.575141][ T4346] -----------------------------
[ 70.580308][ T4346] include/linux/perf_event.h:1274 suspicious rcu_dereference_check() usage!
[ 70.589476][ T4346]
[ 70.589476][ T4346] other info that might help us debug this:
[ 70.589476][ T4346]
[ 70.600351][ T4346]
[ 70.600351][ T4346] rcu_scheduler_active = 2, debug_locks = 1
[ 70.608763][ T4346] 1 lock held by syz.0.17/4346:
[ 70.613641][ T4346] #0: ffffffff8c31f0a0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30
[ 70.623826][ T4346]
[ 70.623826][ T4346] stack backtrace:
[ 70.630043][ T4346] CPU: 0 PID: 4346 Comm: syz.0.17 Not tainted syzkaller #0
[ 70.637247][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 70.647304][ T4346] Call Trace:
[ 70.650688][ T4346]
[ 70.653627][ T4346] dump_stack_lvl+0x188/0x250
[ 70.658310][ T4346] ? load_image+0x410/0x410
[ 70.662814][ T4346] ? show_regs_print_info+0x20/0x20
[ 70.668010][ T4346] ? print_tainted+0x148/0x170
[ 70.672798][ T4346] ? lockdep_rcu_suspicious+0x110/0x180
[ 70.678362][ T4346] perf_callchain_user+0x3dc/0xf80
[ 70.683489][ T4346] ? get_callchain_entry+0x181/0x3b0
[ 70.688790][ T4346] get_perf_callchain+0x33d/0x460
[ 70.693841][ T4346] ? put_callchain_entry+0xb0/0xb0
[ 70.698971][ T4346] ? mark_lock+0x94/0x320
[ 70.703494][ T4346] __bpf_get_stack+0x2db/0x530
[ 70.708287][ T4346] ? stack_map_get_build_id_offset+0x860/0x860
[ 70.714555][ T4346] ? __cant_sleep+0x220/0x220
[ 70.719240][ T4346] ? bpf_prog_b8a90dd1efcc4ad9+0x3d/0x96c
[ 70.724973][ T4346] bpf_get_stack_raw_tp+0x189/0x1c0
[ 70.730180][ T4346] bpf_prog_b8a90dd1efcc4ad9+0x3d/0x96c
[ 70.735737][ T4346] bpf_prog_run_pin_on_cpu+0x63/0x140
[ 70.741124][ T4346] bpf_prog_test_run_syscall+0x361/0x500
[ 70.746784][ T4346] ? sock_gen_cookie+0x60/0x60
[ 70.751558][ T4346] ? __fdget+0x150/0x210
[ 70.755800][ T4346] ? sock_gen_cookie+0x60/0x60
[ 70.760564][ T4346] bpf_prog_test_run+0x31c/0x390
[ 70.765507][ T4346] __sys_bpf+0x5a5/0x6f0
[ 70.769758][ T4346] ? bpf_link_show_fdinfo+0x380/0x380
[ 70.775162][ T4346] __x64_sys_bpf+0x78/0x90
[ 70.779583][ T4346] do_syscall_64+0x4c/0xa0
[ 70.784001][ T4346] ? clear_bhb_loop+0x30/0x80
[ 70.788682][ T4346] ? clear_bhb_loop+0x30/0x80
[ 70.793376][ T4346] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 70.799281][ T4346] RIP: 0033:0x7efcb52a1e59
[ 70.803699][ T4346] 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
[ 70.823317][ T4346] RSP: 002b:00007fffc21324c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 70.831741][ T4346] RAX: ffffffffffffffda RBX: 00007efcb551afa0 RCX: 00007efcb52a1e59
[ 70.839717][ T4346] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a
[ 70.847695][ T4346] RBP: 00007efcb5337e6f R08: 0000000000000000 R09: 0000000000000000
[ 70.855668][ T4346] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 70.863783][ T4346] R13: 00007efcb551afac R14: 00007efcb551afa0 R15: 00007efcb551afa0
[ 70.871775][ T4346]
[ 70.928328][ T21] Bluetooth: hci0: command 0x040f tx timeout