Warning: Permanently added '10.128.0.91' (ED25519) to the list of known hosts. 2025/12/04 16:02:07 parsed 1 programs [ 77.348141][ T5838] cgroup: Unknown subsys name 'net' [ 77.454584][ T5838] cgroup: Unknown subsys name 'cpuset' [ 77.463527][ T5838] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 78.866618][ T5838] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 81.381776][ T5851] 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. [ 81.585441][ T50] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.597444][ T50] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.626966][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.634935][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.279153][ T5906] chnl_net:caif_netlink_parms(): no params data found [ 84.347103][ T5906] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.355121][ T5906] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.362494][ T5906] bridge_slave_0: entered allmulticast mode [ 84.369457][ T5906] bridge_slave_0: entered promiscuous mode [ 84.378989][ T5906] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.386355][ T5906] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.394036][ T5906] bridge_slave_1: entered allmulticast mode [ 84.401153][ T5906] bridge_slave_1: entered promiscuous mode [ 84.428608][ T5906] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 84.440293][ T5906] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 84.469556][ T5906] team0: Port device team_slave_0 added [ 84.477540][ T5906] team0: Port device team_slave_1 added [ 84.504626][ T5906] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 84.511658][ 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. [ 84.538343][ T5906] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 84.550812][ T5906] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 84.557804][ 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. [ 84.584180][ T5906] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 84.625035][ T5906] hsr_slave_0: entered promiscuous mode [ 84.631725][ T5906] hsr_slave_1: entered promiscuous mode [ 84.762733][ T5906] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 84.774708][ T5906] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 84.784671][ T5906] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 84.795761][ T5906] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 84.861364][ T5906] 8021q: adding VLAN 0 to HW filter on device bond0 [ 84.879971][ T5906] 8021q: adding VLAN 0 to HW filter on device team0 [ 84.893861][ T3427] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.901133][ T3427] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.916273][ T1019] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.923400][ T1019] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.075956][ T5906] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 85.110388][ T5906] veth0_vlan: entered promiscuous mode [ 85.126176][ T5906] veth1_vlan: entered promiscuous mode [ 85.151295][ T5906] veth0_macvtap: entered promiscuous mode [ 85.160229][ T5906] veth1_macvtap: entered promiscuous mode [ 85.178849][ T5906] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 85.192569][ T5906] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 85.206796][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.217228][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.226967][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.237196][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.380064][ T1019] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 85.457922][ T1019] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 85.530563][ T1019] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 85.556015][ T5155] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 85.566734][ T5155] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 85.576554][ T5155] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 85.587515][ T5155] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 85.595479][ T5155] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 85.635050][ T1019] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/12/04 16:02:18 executed programs: 0 [ 86.096169][ T5155] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 86.104868][ T5155] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 86.114193][ T5155] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 86.122746][ T5155] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 86.130324][ T5155] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 86.277307][ T5946] chnl_net:caif_netlink_parms(): no params data found [ 86.351460][ T5946] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.359227][ T5946] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.366768][ T5946] bridge_slave_0: entered allmulticast mode [ 86.374056][ T5946] bridge_slave_0: entered promiscuous mode [ 86.382595][ T5946] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.389942][ T5946] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.397508][ T5946] bridge_slave_1: entered allmulticast mode [ 86.404678][ T5946] bridge_slave_1: entered promiscuous mode [ 86.434069][ T5946] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 86.445574][ T5946] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.479182][ T5946] team0: Port device team_slave_0 added [ 86.488029][ T5946] team0: Port device team_slave_1 added [ 86.518782][ T5946] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 86.525919][ T5946] 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. [ 86.551938][ T5946] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 86.567104][ T5946] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 86.574629][ T5946] 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. [ 86.600744][ T5946] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 86.644093][ T5946] hsr_slave_0: entered promiscuous mode [ 86.650532][ T5946] hsr_slave_1: entered promiscuous mode [ 86.657022][ T5946] debugfs: 'hsr0' already exists in 'hsr' [ 86.663122][ T5946] Cannot create hsr debugfs directory [ 86.784270][ T9] cfg80211: failed to load regulatory.db [ 88.221580][ T52] Bluetooth: hci0: command tx timeout [ 88.547781][ T1019] bridge_slave_1: left allmulticast mode [ 88.554756][ T1019] bridge_slave_1: left promiscuous mode [ 88.560941][ T1019] bridge0: port 2(bridge_slave_1) entered disabled state [ 88.573635][ T1019] bridge_slave_0: left allmulticast mode [ 88.579309][ T1019] bridge_slave_0: left promiscuous mode [ 88.585274][ T1019] bridge0: port 1(bridge_slave_0) entered disabled state [ 88.790729][ T1019] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 88.802508][ T1019] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 88.812901][ T1019] bond0 (unregistering): Released all slaves [ 88.913915][ T1019] hsr_slave_0: left promiscuous mode [ 88.920281][ T1019] hsr_slave_1: left promiscuous mode [ 88.929458][ T1019] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 88.937073][ T1019] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 88.947443][ T1019] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 88.954917][ T1019] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 88.975716][ T1019] veth1_macvtap: left promiscuous mode [ 88.987438][ T1019] veth0_macvtap: left promiscuous mode [ 88.993586][ T1019] veth1_vlan: left promiscuous mode [ 88.999028][ T1019] veth0_vlan: left promiscuous mode [ 89.385278][ T1019] team0 (unregistering): Port device team_slave_1 removed [ 89.410647][ T1019] team0 (unregistering): Port device team_slave_0 removed [ 89.850468][ T5946] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 89.874823][ T5946] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 89.885747][ T5946] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 89.908293][ T5946] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 90.180792][ T5946] 8021q: adding VLAN 0 to HW filter on device bond0 [ 90.232763][ T5946] 8021q: adding VLAN 0 to HW filter on device team0 [ 90.258909][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.266047][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 90.282839][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.290003][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 90.301626][ T52] Bluetooth: hci0: command tx timeout [ 90.464572][ T5946] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.503700][ T5946] veth0_vlan: entered promiscuous mode [ 90.514034][ T5946] veth1_vlan: entered promiscuous mode [ 90.539434][ T5946] veth0_macvtap: entered promiscuous mode [ 90.552067][ T5946] veth1_macvtap: entered promiscuous mode [ 90.569205][ T5946] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 90.585221][ T5946] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 90.598107][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.607797][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.618438][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.628774][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.685749][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.693865][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.724099][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.732526][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.778857][ T5994] [ 90.781305][ T5994] ============================================ [ 90.787453][ T5994] WARNING: possible recursive locking detected [ 90.793622][ T5994] syzkaller #0 Not tainted [ 90.798301][ T5994] -------------------------------------------- [ 90.804703][ T5994] syz.0.17/5994 is trying to acquire lock: [ 90.810578][ T5994] ffff88807691cc60 (sk_lock-AF_INET6){+.+.}-{0:0}, at: ipv6_sock_mc_close+0xd3/0x140 [ 90.820082][ T5994] [ 90.820082][ T5994] but task is already holding lock: [ 90.827433][ T5994] ffff88807691c320 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sctp_getsockopt+0x135/0xb60 [ 90.836805][ T5994] [ 90.836805][ T5994] other info that might help us debug this: [ 90.844847][ T5994] Possible unsafe locking scenario: [ 90.844847][ T5994] [ 90.852274][ T5994] CPU0 [ 90.855534][ T5994] ---- [ 90.858816][ T5994] lock(sk_lock-AF_INET6); [ 90.863298][ T5994] lock(sk_lock-AF_INET6); [ 90.867777][ T5994] [ 90.867777][ T5994] *** DEADLOCK *** [ 90.867777][ T5994] [ 90.875899][ T5994] May be due to missing lock nesting notation [ 90.875899][ T5994] [ 90.884583][ T5994] 1 lock held by syz.0.17/5994: [ 90.889410][ T5994] #0: ffff88807691c320 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sctp_getsockopt+0x135/0xb60 [ 90.899150][ T5994] [ 90.899150][ T5994] stack backtrace: [ 90.905038][ T5994] CPU: 0 UID: 0 PID: 5994 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 90.905051][ T5994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 90.905062][ T5994] Call Trace: [ 90.905070][ T5994] [ 90.905075][ T5994] dump_stack_lvl+0x189/0x250 [ 90.905090][ T5994] ? __pfx_dump_stack_lvl+0x10/0x10 [ 90.905099][ T5994] ? __pfx__printk+0x10/0x10 [ 90.905110][ T5994] ? __pfx_hlock_conflict+0x10/0x10 [ 90.905122][ T5994] ? print_lock_name+0xde/0x100 [ 90.905134][ T5994] print_deadlock_bug+0x279/0x290 [ 90.905145][ T5994] __lock_acquire+0x2540/0x2cf0 [ 90.905158][ T5994] ? ipv6_sock_mc_close+0xd3/0x140 [ 90.905171][ T5994] lock_acquire+0x117/0x340 [ 90.905178][ T5994] ? ipv6_sock_mc_close+0xd3/0x140 [ 90.905192][ T5994] lock_sock_nested+0x48/0x100 [ 90.905203][ T5994] ? ipv6_sock_mc_close+0xd3/0x140 [ 90.905215][ T5994] ipv6_sock_mc_close+0xd3/0x140 [ 90.905227][ T5994] inet6_release+0x47/0x70 [ 90.905239][ T5994] sock_release+0x85/0x150 [ 90.905249][ T5994] sctp_getsockopt_peeloff_common+0x56b/0x770 [ 90.905264][ T5994] ? __pfx_sctp_getsockopt_peeloff_common+0x10/0x10 [ 90.905277][ T5994] sctp_getsockopt_peeloff_flags+0x13b/0x230 [ 90.905287][ T5994] ? __pfx_sctp_getsockopt_peeloff_flags+0x10/0x10 [ 90.905298][ T5994] sctp_getsockopt+0x3ab/0xb60 [ 90.905309][ T5994] ? __pfx_sock_common_getsockopt+0x10/0x10 [ 90.905320][ T5994] do_sock_getsockopt+0x2b4/0x3d0 [ 90.905334][ T5994] ? __pfx_do_sock_getsockopt+0x10/0x10 [ 90.905346][ T5994] ? do_syscall_64+0x80/0xf80 [ 90.905358][ T5994] ? __se_sys_futex+0x36f/0x400 [ 90.905369][ T5994] __x64_sys_getsockopt+0x1a5/0x250 [ 90.905381][ T5994] ? do_syscall_64+0x80/0xf80 [ 90.905392][ T5994] ? do_syscall_64+0x80/0xf80 [ 90.905404][ T5994] do_syscall_64+0xfa/0xf80 [ 90.905415][ T5994] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.905424][ T5994] ? clear_bhb_loop+0x60/0xb0 [ 90.905434][ T5994] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.905443][ T5994] RIP: 0033:0x7fb07bb8f749 [ 90.905456][ T5994] 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 [ 90.905463][ T5994] RSP: 002b:00007ffeeb3d0328 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 90.905474][ T5994] RAX: ffffffffffffffda RBX: 00007fb07bde5fa0 RCX: 00007fb07bb8f749 [ 90.905480][ T5994] RDX: 000000000000007a RSI: 0000000000000084 RDI: 0000000000000003 [ 90.905486][ T5994] RBP: 00007fb07bc13f91 R08: 0000200000000040 R09: 0000000000000000 [ 90.905492][ T5994] R10: 0000200000000340 R11: 0000000000000246 R12: 0000000000000000 [ 90.905497][ T5994] R13: 00007fb07bde5fa0 R14: 00007fb07bde5fa0 R15: 0000000000000005 [ 90.905506][ T5994]