Warning: Permanently added '10.128.0.228' (ED25519) to the list of known hosts. 2025/12/06 07:00:06 parsed 1 programs [ 79.548610][ T5833] cgroup: Unknown subsys name 'net' [ 79.682243][ T5833] cgroup: Unknown subsys name 'cpuset' [ 79.690994][ T5833] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 81.141489][ T5833] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 84.081339][ T5852] 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. [ 86.007651][ T5150] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 86.016989][ T5150] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 86.025888][ T5150] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 86.035378][ T5150] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 86.043987][ T5150] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 86.350585][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.359170][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.394154][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.403794][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.653771][ T5906] chnl_net:caif_netlink_parms(): no params data found [ 86.749751][ T5906] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.757641][ T5906] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.765052][ T5906] bridge_slave_0: entered allmulticast mode [ 86.774013][ T5906] bridge_slave_0: entered promiscuous mode [ 86.775037][ T9] cfg80211: failed to load regulatory.db [ 86.794327][ T5906] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.801616][ T5906] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.808856][ T5906] bridge_slave_1: entered allmulticast mode [ 86.816206][ T5906] bridge_slave_1: entered promiscuous mode [ 86.863807][ T5906] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 86.877886][ T5906] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.939654][ T5906] team0: Port device team_slave_0 added [ 86.947289][ T5906] team0: Port device team_slave_1 added [ 86.987357][ T5906] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 86.994519][ T5906] 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. [ 87.020607][ T5906] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 87.036146][ T5906] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 87.043351][ T5906] 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. [ 87.070219][ T5906] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 87.124539][ T5906] hsr_slave_0: entered promiscuous mode [ 87.131084][ T5906] hsr_slave_1: entered promiscuous mode [ 87.275317][ T5906] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 87.287462][ T5906] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 87.298562][ T5906] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 87.308461][ T5906] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 87.337729][ T5906] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.345163][ T5906] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.353374][ T5906] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.360521][ T5906] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.411485][ T5906] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.428303][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.437912][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.454143][ T5906] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.467670][ T1155] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.475545][ T1155] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.488843][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.496011][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.648225][ T5906] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 87.693326][ T5906] veth0_vlan: entered promiscuous mode [ 87.705176][ T5906] veth1_vlan: entered promiscuous mode [ 87.738447][ T5906] veth0_macvtap: entered promiscuous mode [ 87.749761][ T5906] veth1_macvtap: entered promiscuous mode [ 87.767203][ T5906] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 87.783751][ T5906] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 87.798578][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.810390][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.821534][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.831796][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.981434][ T13] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 88.048166][ T13] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 88.126117][ T13] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 88.239729][ T13] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/12/06 07:00:18 executed programs: 0 [ 88.913874][ T5150] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 88.924826][ T5150] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 88.934635][ T5150] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 88.943032][ T5150] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 88.950672][ T5150] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 89.102125][ T5942] chnl_net:caif_netlink_parms(): no params data found [ 89.180179][ T5942] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.187323][ T5942] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.194859][ T5942] bridge_slave_0: entered allmulticast mode [ 89.202080][ T5942] bridge_slave_0: entered promiscuous mode [ 89.210914][ T5942] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.218040][ T5942] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.225326][ T5942] bridge_slave_1: entered allmulticast mode [ 89.232387][ T5942] bridge_slave_1: entered promiscuous mode [ 89.261847][ T5942] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 89.273371][ T5942] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 89.304799][ T5942] team0: Port device team_slave_0 added [ 89.313614][ T5942] team0: Port device team_slave_1 added [ 89.342187][ T5942] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 89.349185][ T5942] 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. [ 89.375203][ T5942] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 89.388456][ T5942] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 89.396800][ T5942] 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. [ 89.423801][ T5942] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 89.476940][ T5942] hsr_slave_0: entered promiscuous mode [ 89.483333][ T5942] hsr_slave_1: entered promiscuous mode [ 89.490776][ T5942] debugfs: 'hsr0' already exists in 'hsr' [ 89.496578][ T5942] Cannot create hsr debugfs directory [ 90.466876][ T13] bridge_slave_1: left allmulticast mode [ 90.473397][ T13] bridge_slave_1: left promiscuous mode [ 90.490115][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.504896][ T13] bridge_slave_0: left allmulticast mode [ 90.511297][ T13] bridge_slave_0: left promiscuous mode [ 90.517504][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.818155][ T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 90.831446][ T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 90.842203][ T13] bond0 (unregistering): Released all slaves [ 90.968132][ T13] hsr_slave_0: left promiscuous mode [ 90.977157][ T13] hsr_slave_1: left promiscuous mode [ 90.983695][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 90.991479][ T13] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 90.999703][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 91.007259][ T13] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 91.015748][ T5150] Bluetooth: hci0: command tx timeout [ 91.031824][ T13] veth1_macvtap: left promiscuous mode [ 91.037435][ T13] veth0_macvtap: left promiscuous mode [ 91.043666][ T13] veth1_vlan: left promiscuous mode [ 91.049224][ T13] veth0_vlan: left promiscuous mode [ 91.314132][ T13] team0 (unregistering): Port device team_slave_1 removed [ 91.343815][ T13] team0 (unregistering): Port device team_slave_0 removed [ 91.874693][ T5942] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 91.893563][ T5942] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 92.044183][ T5942] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 92.057313][ T5942] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 92.244669][ T5942] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.290106][ T5942] 8021q: adding VLAN 0 to HW filter on device team0 [ 92.305939][ T1006] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.313156][ T1006] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.334172][ T1006] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.341482][ T1006] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.596136][ T5942] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 92.664194][ T5942] veth0_vlan: entered promiscuous mode [ 92.678059][ T5942] veth1_vlan: entered promiscuous mode [ 92.725264][ T5942] veth0_macvtap: entered promiscuous mode [ 92.736262][ T5942] veth1_macvtap: entered promiscuous mode [ 92.762384][ T5942] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 92.784775][ T5942] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 92.804372][ T1155] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.816091][ T1155] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.828565][ T1155] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.842335][ T1155] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.921058][ T1155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.946801][ T1155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.985985][ T1006] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.997167][ T1006] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.091863][ T5150] Bluetooth: hci0: command tx timeout [ 93.101006][ T6016] [ 93.103352][ T6016] ============================================ [ 93.109490][ T6016] WARNING: possible recursive locking detected [ 93.115652][ T6016] syzkaller #0 Not tainted [ 93.120069][ T6016] -------------------------------------------- [ 93.126217][ T6016] syz.0.17/6016 is trying to acquire lock: [ 93.132033][ T6016] ffff8880324b4c60 (sk_lock-AF_INET6){+.+.}-{0:0}, at: ipv6_sock_mc_close+0xd3/0x140 [ 93.141531][ T6016] [ 93.141531][ T6016] but task is already holding lock: [ 93.148967][ T6016] ffff8880324b4320 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sctp_getsockopt+0x12f/0xb90 [ 93.158262][ T6016] [ 93.158262][ T6016] other info that might help us debug this: [ 93.166299][ T6016] Possible unsafe locking scenario: [ 93.166299][ T6016] [ 93.173730][ T6016] CPU0 [ 93.176992][ T6016] ---- [ 93.180252][ T6016] lock(sk_lock-AF_INET6); [ 93.184739][ T6016] lock(sk_lock-AF_INET6); [ 93.189237][ T6016] [ 93.189237][ T6016] *** DEADLOCK *** [ 93.189237][ T6016] [ 93.197359][ T6016] May be due to missing lock nesting notation [ 93.197359][ T6016] [ 93.205932][ T6016] 1 lock held by syz.0.17/6016: [ 93.210775][ T6016] #0: ffff8880324b4320 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sctp_getsockopt+0x12f/0xb90 [ 93.220513][ T6016] [ 93.220513][ T6016] stack backtrace: [ 93.226402][ T6016] CPU: 0 UID: 0 PID: 6016 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 93.226417][ T6016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 93.226431][ T6016] Call Trace: [ 93.226439][ T6016] [ 93.226445][ T6016] dump_stack_lvl+0x189/0x250 [ 93.226462][ T6016] ? __pfx_dump_stack_lvl+0x10/0x10 [ 93.226473][ T6016] ? __pfx__printk+0x10/0x10 [ 93.226490][ T6016] ? stack_trace_save+0x9c/0xe0 [ 93.226506][ T6016] ? print_lock_name+0xde/0x100 [ 93.226523][ T6016] print_deadlock_bug+0x279/0x290 [ 93.226536][ T6016] __lock_acquire+0x2540/0x2cf0 [ 93.226560][ T6016] ? ipv6_sock_mc_close+0xd3/0x140 [ 93.226574][ T6016] lock_acquire+0x117/0x340 [ 93.226589][ T6016] ? ipv6_sock_mc_close+0xd3/0x140 [ 93.226607][ T6016] lock_sock_nested+0x48/0x100 [ 93.226620][ T6016] ? ipv6_sock_mc_close+0xd3/0x140 [ 93.226634][ T6016] ipv6_sock_mc_close+0xd3/0x140 [ 93.226649][ T6016] inet6_release+0x47/0x70 [ 93.226661][ T6016] __sock_release+0x1f0/0x250 [ 93.226684][ T6016] sctp_getsockopt_peeloff_common+0x569/0x790 [ 93.226701][ T6016] ? __pfx_sctp_getsockopt_peeloff_common+0x10/0x10 [ 93.226717][ T6016] sctp_getsockopt_peeloff_flags+0x13b/0x230 [ 93.226736][ T6016] ? __pfx_sctp_getsockopt_peeloff_flags+0x10/0x10 [ 93.226756][ T6016] sctp_getsockopt+0x3a5/0xb90 [ 93.226768][ T6016] ? __pfx_sock_common_getsockopt+0x10/0x10 [ 93.226780][ T6016] do_sock_getsockopt+0x2b4/0x3d0 [ 93.226795][ T6016] ? __pfx_do_sock_getsockopt+0x10/0x10 [ 93.226809][ T6016] ? do_syscall_64+0x80/0xf80 [ 93.226823][ T6016] ? __se_sys_futex+0x36f/0x400 [ 93.226843][ T6016] __x64_sys_getsockopt+0x1a5/0x250 [ 93.226857][ T6016] ? do_syscall_64+0x80/0xf80 [ 93.226871][ T6016] ? do_syscall_64+0x80/0xf80 [ 93.226885][ T6016] do_syscall_64+0xfa/0xf80 [ 93.226900][ T6016] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.226912][ T6016] ? clear_bhb_loop+0x60/0xb0 [ 93.226925][ T6016] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.226937][ T6016] RIP: 0033:0x7fd49a58f749 [ 93.226952][ T6016] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 93.226962][ T6016] RSP: 002b:00007ffd9f24d888 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 93.226977][ T6016] RAX: ffffffffffffffda RBX: 00007fd49a7e5fa0 RCX: 00007fd49a58f749 [ 93.226986][ T6016] RDX: 000000000000007a RSI: 0000000000000084 RDI: 0000000000000003 [ 93.226993][ T6016] RBP: 00007fd49a613f91 R08: 0000200000000040 R09: 0000000000000000 [ 93.227001][ T6016] R10: 0000200000000340 R11: 0000000000000246 R12: 0000000000000000 [ 93.227009][ T6016] R13: 00007fd49a7e5fa0 R14: 00007fd49a7e5fa0 R15: 0000000000000005 [ 93.227022][ T6016]