Warning: Permanently added '10.128.0.2' (ED25519) to the list of known hosts. 2026/07/27 08:19:29 parsed 1 programs 2026/07/27 08:19:29 serving rpc on tcp://41367 syzkaller login: [ 92.017384][ T188] cfg80211: failed to load regulatory.db [ 93.467609][ T5637] cgroup: Unknown subsys name 'net' [ 93.578119][ T5637] cgroup: Unknown subsys name 'cpuset' [ 93.587737][ T5637] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 95.280494][ T5637] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 98.556460][ T5652] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 99.280285][ T5674] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 99.293999][ T5674] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 99.304880][ T5674] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 99.313075][ T5674] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 99.320920][ T5674] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 99.715346][ T76] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.723557][ T76] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 99.763818][ T35] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.771862][ T35] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.848438][ T5692] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.856611][ T5692] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.863848][ T5692] bridge_slave_0: entered allmulticast mode [ 100.871383][ T5692] bridge_slave_0: entered promiscuous mode [ 100.882293][ T5692] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.889647][ T5692] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.897114][ T5692] bridge_slave_1: entered allmulticast mode [ 100.904870][ T5692] bridge_slave_1: entered promiscuous mode [ 100.936312][ T5692] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 100.948212][ T5692] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 100.980742][ T5692] team0: Port device team_slave_0 added [ 100.988958][ T5692] team0: Port device team_slave_1 added [ 101.016385][ T5692] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 101.023362][ T5692] 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 1532 would solve the problem. [ 101.049510][ T5692] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 101.063560][ T5692] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 101.070720][ T5692] 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 1532 would solve the problem. [ 101.097003][ T5692] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 101.143571][ T5692] hsr_slave_0: entered promiscuous mode [ 101.150728][ T5692] hsr_slave_1: entered promiscuous mode [ 101.318710][ T5692] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 101.332734][ T5692] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 101.340811][ T5692] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 101.352352][ T5692] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 101.360605][ T5692] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 101.371292][ T5692] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 101.383148][ T5692] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 101.393131][ T5692] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 101.428915][ T5692] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.436413][ T5692] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.444553][ T5692] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.451710][ T5692] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.513779][ T5692] 8021q: adding VLAN 0 to HW filter on device bond0 [ 101.534161][ T1117] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.545099][ T1117] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.562565][ T5692] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.577964][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.585256][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.600727][ T1117] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.607913][ T1117] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.973328][ T5692] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 102.033168][ T5692] veth0_vlan: entered promiscuous mode [ 102.048573][ T5692] veth1_vlan: entered promiscuous mode [ 102.083658][ T5692] veth0_macvtap: entered promiscuous mode [ 102.093754][ T5692] veth1_macvtap: entered promiscuous mode [ 102.119695][ T5692] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 102.136166][ T5692] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 102.152751][ T1117] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.163649][ T1117] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.176599][ T1117] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.190187][ T1117] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.352840][ T1117] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.449504][ T1117] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.535890][ T1117] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.650124][ T1117] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.200344][ T1117] bridge_slave_1: left allmulticast mode [ 104.207232][ T1117] bridge_slave_1: left promiscuous mode [ 104.214861][ T1117] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.239866][ T1117] bridge_slave_0: left allmulticast mode [ 104.254048][ T1117] bridge_slave_0: left promiscuous mode [ 104.262109][ T1117] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.527722][ T1117] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 104.539943][ T1117] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 104.550795][ T1117] bond0 (unregistering): Released all slaves [ 104.666937][ T1117] hsr_slave_0: left promiscuous mode [ 104.673248][ T1117] hsr_slave_1: left promiscuous mode [ 104.680172][ T1117] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 104.688132][ T1117] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 104.699228][ T1117] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 104.707051][ T1117] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 104.725945][ T1117] veth1_macvtap: left promiscuous mode [ 104.732168][ T1117] veth0_macvtap: left promiscuous mode [ 104.738677][ T1117] veth1_vlan: left promiscuous mode [ 104.744094][ T1117] veth0_vlan: left promiscuous mode [ 105.076805][ T1117] team0 (unregistering): Port device team_slave_1 removed [ 105.098897][ T1117] team0 (unregistering): Port device team_slave_0 removed [ 105.271268][ T5286] 8021q: adding VLAN 0 to HW filter on device eth1 2026/07/27 08:19:46 executed programs: 0 [ 106.110991][ T5674] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 106.125946][ T5674] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 106.136351][ T5674] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 106.144515][ T5674] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 106.153391][ T5674] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 106.292590][ T5286] 8021q: adding VLAN 0 to HW filter on device eth2 [ 107.136546][ T5286] 8021q: adding VLAN 0 to HW filter on device eth3 [ 107.157295][ T5793] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.165162][ T5793] bridge0: port 1(bridge_slave_0) entered disabled state [ 107.172439][ T5793] bridge_slave_0: entered allmulticast mode [ 107.180836][ T5793] bridge_slave_0: entered promiscuous mode [ 107.190001][ T5793] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.197387][ T5793] bridge0: port 2(bridge_slave_1) entered disabled state [ 107.204995][ T5793] bridge_slave_1: entered allmulticast mode [ 107.213048][ T5793] bridge_slave_1: entered promiscuous mode [ 107.255229][ T5793] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 107.267557][ T5793] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 107.303067][ T5793] team0: Port device team_slave_0 added [ 107.312022][ T5793] team0: Port device team_slave_1 added [ 107.341476][ T5793] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 107.348620][ T5793] 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 1532 would solve the problem. [ 107.374673][ T5793] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 107.387256][ T5793] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 107.394757][ T5793] 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 1532 would solve the problem. [ 107.420814][ T5793] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 107.486970][ T5793] hsr_slave_0: entered promiscuous mode [ 107.493782][ T5793] hsr_slave_1: entered promiscuous mode [ 108.197844][ T5793] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 108.210990][ T5793] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 108.222857][ T5793] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 108.236625][ T5793] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 108.245248][ T5793] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 108.255801][ T4941] Bluetooth: hci0: command tx timeout [ 108.259427][ T5793] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 108.270074][ T5793] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 108.281425][ T5793] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 108.441278][ T5793] 8021q: adding VLAN 0 to HW filter on device bond0 [ 108.471410][ T5793] 8021q: adding VLAN 0 to HW filter on device team0 [ 108.487427][ T1117] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.494640][ T1117] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.517918][ T1117] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.525159][ T1117] bridge0: port 2(bridge_slave_1) entered forwarding state [ 109.057159][ T5793] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 109.128331][ T5793] veth0_vlan: entered promiscuous mode [ 109.148825][ T5793] veth1_vlan: entered promiscuous mode [ 109.189968][ T5793] veth0_macvtap: entered promiscuous mode [ 109.202314][ T5793] veth1_macvtap: entered promiscuous mode [ 109.231614][ T5793] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 109.251402][ T5793] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 109.268602][ T1117] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.290365][ T1117] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.311563][ T1117] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.333599][ T1117] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.414319][ T1117] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 109.428752][ T1117] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 109.475372][ T48] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 109.483284][ T48] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 109.657917][ T5893] [ 109.660729][ T5893] ============================= [ 109.665789][ T5893] WARNING: suspicious RCU usage [ 109.670712][ T5893] syzkaller #0 Not tainted [ 109.675674][ T5893] ----------------------------- [ 109.680991][ T5893] net/xfrm/xfrm_user.c:1630 suspicious rcu_dereference_check() usage! [ 109.689688][ T5893] [ 109.689688][ T5893] other info that might help us debug this: [ 109.689688][ T5893] [ 109.700813][ T5893] [ 109.700813][ T5893] rcu_scheduler_active = 2, debug_locks = 1 [ 109.709453][ T5893] 1 lock held by syz.0.17/5893: [ 109.715507][ T5893] #0: ffff88807b144390 (&net->xfrm.xfrm_cfg_mutex){+.+.}-{4:4}, at: xfrm_netlink_rcv+0x6a/0x90 [ 109.726848][ T5893] [ 109.726848][ T5893] stack backtrace: [ 109.732804][ T5893] CPU: 0 UID: 0 PID: 5893 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 109.732831][ T5893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 109.732852][ T5893] Call Trace: [ 109.732861][ T5893] [ 109.732869][ T5893] dump_stack_lvl+0xe8/0x150 [ 109.732908][ T5893] lockdep_rcu_suspicious+0x13f/0x1d0 [ 109.732947][ T5893] xfrm_nlmsg_multicast+0x1d8/0x1f0 [ 109.732987][ T5893] xfrm_send_migrate_state+0x870/0xae0 [ 109.733036][ T5893] ? __pfx_xfrm_send_migrate_state+0x10/0x10 [ 109.733075][ T5893] ? xfrm_state_migrate_install+0x192/0x630 [ 109.733119][ T5893] xfrm_do_migrate_state+0x1703/0x1e50 [ 109.733158][ T5893] ? __pfx_xfrm_do_migrate_state+0x10/0x10 [ 109.733201][ T5893] ? apparmor_capable+0x126/0x170 [ 109.733237][ T5893] ? __nla_parse+0x40/0x60 [ 109.733273][ T5893] xfrm_user_rcv_msg+0x7a8/0xf30 [ 109.733303][ T5893] ? __pfx_xfrm_user_rcv_msg+0x10/0x10 [ 109.733362][ T5893] ? __mutex_trylock_common+0x15f/0x270 [ 109.733427][ T5893] ? __pfx___mutex_trylock_common+0x10/0x10 [ 109.733453][ T5893] ? rcu_is_watching+0x15/0xb0 [ 109.733476][ T5893] ? trace_contention_end+0x3d/0x140 [ 109.733507][ T5893] netlink_rcv_skb+0x226/0x4a0 [ 109.733534][ T5893] ? __pfx_xfrm_user_rcv_msg+0x10/0x10 [ 109.733558][ T5893] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 109.733600][ T5893] ? netlink_deliver_tap+0x2e/0x1b0 [ 109.733624][ T5893] ? netlink_deliver_tap+0x2e/0x1b0 [ 109.733651][ T5893] xfrm_netlink_rcv+0x79/0x90 [ 109.733674][ T5893] netlink_unicast+0x7bb/0x940 [ 109.733707][ T5893] netlink_sendmsg+0x813/0xb40 [ 109.733741][ T5893] ? __pfx_netlink_sendmsg+0x10/0x10 [ 109.733765][ T5893] ? filemap_map_pages+0x1ccc/0x2090 [ 109.733794][ T5893] ? aa_sock_msg_perm+0xf1/0x1b0 [ 109.733824][ T5893] ? __pfx_netlink_sendmsg+0x10/0x10 [ 109.733849][ T5893] sock_sendmsg_nosec+0x13a/0x180 [ 109.733889][ T5893] ____sys_sendmsg+0x54e/0x850 [ 109.733916][ T5893] ? __pfx_____sys_sendmsg+0x10/0x10 [ 109.733948][ T5893] ? import_iovec+0x73/0xa0 [ 109.733970][ T5893] ___sys_sendmsg+0x2a5/0x360 [ 109.733999][ T5893] ? __pfx____sys_sendmsg+0x10/0x10 [ 109.734027][ T5893] ? futex_wake+0x522/0x5f0 [ 109.734088][ T5893] ? __pfx_do_futex+0x10/0x10 [ 109.734117][ T5893] __x64_sys_sendmsg+0x1b1/0x290 [ 109.734145][ T5893] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 109.734189][ T5893] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 109.734213][ T5893] do_syscall_64+0x174/0x580 [ 109.734236][ T5893] ? trace_irq_disable+0x3b/0x140 [ 109.734264][ T5893] ? clear_bhb_loop+0x40/0x90 [ 109.734291][ T5893] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 109.734313][ T5893] RIP: 0033:0x7fb83979de99 [ 109.734347][ T5893] 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 [ 109.734365][ T5893] RSP: 002b:00007ffd4061aab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.734395][ T5893] RAX: ffffffffffffffda RBX: 00007fb839a25fa0 RCX: 00007fb83979de99 [ 109.734410][ T5893] RDX: 0000000000000000 RSI: 0000200000000500 RDI: 0000000000000003 [ 109.734423][ T5893] RBP: 00007fb839833eaf R08: 0000000000000000 R09: 0000000000000000 [ 109.734436][ T5893] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 109.734448][ T5893] R13: 00007fb839a25fac R14: 00007fb839a25fa0 R15: 00007fb839a25fa0 [ 109.734481][ T5893]