no interfaces have a carrier [ 53.354037][ T5432] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.373553][ T5432] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.103' (ED25519) to the list of known hosts. 2025/12/09 12:52:19 parsed 1 programs syzkaller login: [ 83.697477][ T5770] cgroup: Unknown subsys name 'net' [ 83.836076][ T5770] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 85.526197][ T5770] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 88.293763][ T34] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.301960][ T34] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 88.334299][ T3472] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.345435][ T3472] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 89.298096][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 89.306240][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 89.314889][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 89.324131][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 89.332342][ T51] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 89.340169][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 90.613712][ T5848] chnl_net:caif_netlink_parms(): no params data found [ 90.698353][ T5848] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.705678][ T5848] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.714150][ T5848] bridge_slave_0: entered allmulticast mode [ 90.722542][ T5848] bridge_slave_0: entered promiscuous mode [ 90.732137][ T5848] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.739386][ T5848] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.746602][ T5848] bridge_slave_1: entered allmulticast mode [ 90.753805][ T5848] bridge_slave_1: entered promiscuous mode [ 90.788787][ T5848] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 90.800398][ T5848] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 90.839386][ T5848] team0: Port device team_slave_0 added [ 90.859966][ T5848] team0: Port device team_slave_1 added [ 90.918765][ T5848] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 90.925839][ T5848] 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. [ 90.957182][ T5848] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 90.970206][ T5848] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 90.977202][ T5848] 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. [ 91.003189][ T5848] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 91.044142][ T5848] hsr_slave_0: entered promiscuous mode [ 91.050954][ T5848] hsr_slave_1: entered promiscuous mode [ 91.185543][ T5848] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 91.197023][ T5848] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 91.209256][ T5848] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 91.237836][ T5848] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 91.273164][ T5848] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.280613][ T5848] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.288728][ T5848] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.295859][ T5848] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.383013][ T5848] 8021q: adding VLAN 0 to HW filter on device bond0 [ 91.416130][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.424527][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.440663][ T5848] 8021q: adding VLAN 0 to HW filter on device team0 [ 91.457123][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.464411][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.490664][ T3437] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.497915][ T3437] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.752502][ T5848] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 91.792186][ T5848] veth0_vlan: entered promiscuous mode [ 91.812326][ T5848] veth1_vlan: entered promiscuous mode [ 91.844462][ T5848] veth0_macvtap: entered promiscuous mode [ 91.855061][ T5848] veth1_macvtap: entered promiscuous mode [ 91.888370][ T5848] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 91.909837][ T789] cfg80211: failed to load regulatory.db [ 91.913689][ T5848] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 91.931670][ T5848] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.940697][ T5848] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.950525][ T5848] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.959552][ T5848] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.145011][ T3437] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/12/09 12:52:30 executed programs: 0 [ 92.641803][ T5081] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 92.649913][ T5081] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 92.659387][ T5081] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 92.667498][ T5081] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 92.675949][ T5081] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 92.684707][ T5081] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 92.855405][ T5877] chnl_net:caif_netlink_parms(): no params data found [ 92.933806][ T5877] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.941123][ T5877] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.949840][ T5877] bridge_slave_0: entered allmulticast mode [ 92.956876][ T5877] bridge_slave_0: entered promiscuous mode [ 92.965990][ T5877] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.974201][ T5877] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.981565][ T5877] bridge_slave_1: entered allmulticast mode [ 92.989184][ T5877] bridge_slave_1: entered promiscuous mode [ 93.027200][ T5877] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 93.040228][ T5877] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 93.081077][ T5877] team0: Port device team_slave_0 added [ 93.092540][ T5877] team0: Port device team_slave_1 added [ 93.125109][ T5877] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 93.133523][ T5877] 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. [ 93.159600][ T5877] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 93.173470][ T5877] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 93.181342][ T5877] 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. [ 93.207724][ T5877] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 93.255647][ T5877] hsr_slave_0: entered promiscuous mode [ 93.262757][ T5877] hsr_slave_1: entered promiscuous mode [ 93.269977][ T5877] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 93.278443][ T5877] Cannot create hsr debugfs directory [ 94.708248][ T51] Bluetooth: hci0: command tx timeout [ 94.870877][ T3437] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 96.798394][ T51] Bluetooth: hci0: command tx timeout [ 97.110113][ T3437] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.162028][ T3437] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.017062][ T5877] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 98.036398][ T3437] hsr_slave_0: left promiscuous mode [ 98.043207][ T3437] hsr_slave_1: left promiscuous mode [ 98.049847][ T3437] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 98.057311][ T3437] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 98.069131][ T3437] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 98.076663][ T3437] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 98.089584][ T3437] bridge_slave_1: left allmulticast mode [ 98.095271][ T3437] bridge_slave_1: left promiscuous mode [ 98.104326][ T3437] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.117163][ T3437] bridge_slave_0: left allmulticast mode [ 98.126628][ T3437] bridge_slave_0: left promiscuous mode [ 98.132823][ T3437] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.170475][ T3437] veth1_macvtap: left promiscuous mode [ 98.176433][ T3437] veth0_macvtap: left promiscuous mode [ 98.184909][ T3437] veth1_vlan: left promiscuous mode [ 98.190562][ T3437] veth0_vlan: left promiscuous mode [ 98.602178][ T3437] team0 (unregistering): Port device team_slave_1 removed [ 98.632409][ T3437] team0 (unregistering): Port device team_slave_0 removed [ 98.660631][ T3437] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 98.697578][ T3437] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 98.877815][ T51] Bluetooth: hci0: command tx timeout [ 98.991250][ T3437] bond0 (unregistering): Released all slaves [ 99.072490][ T5877] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 99.082572][ T5877] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 99.094401][ T5877] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 99.207252][ T5877] 8021q: adding VLAN 0 to HW filter on device bond0 [ 99.240879][ T5877] 8021q: adding VLAN 0 to HW filter on device team0 [ 99.253080][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.260260][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.279671][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.286794][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.486524][ T5877] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 99.556607][ T5877] veth0_vlan: entered promiscuous mode [ 99.568945][ T5877] veth1_vlan: entered promiscuous mode [ 99.597461][ T5877] veth0_macvtap: entered promiscuous mode [ 99.615280][ T5877] veth1_macvtap: entered promiscuous mode [ 99.641720][ T5877] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 99.655946][ T5877] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 99.672093][ T5877] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.681920][ T5877] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.690984][ T5877] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.699746][ T5877] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.773273][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.785796][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 99.819197][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.827060][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 99.883824][ T5925] syz.0.17[5925]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 99.956107][ T5925] loop0: detected capacity change from 0 to 8192 [ 99.973745][ T5925] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 99.992165][ T5925] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 100.002545][ T5925] REISERFS (device loop0): using ordered data mode [ 100.009495][ T5925] reiserfs: using flush barriers [ 100.016744][ T5925] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 100.033881][ T5925] REISERFS (device loop0): checking transaction log (loop0) [ 100.153001][ T5925] REISERFS (device loop0): Using tea hash to sort names [ 100.166532][ T5925] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 100.185292][ T5925] REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [2 5 0x0 SD] (nlink == 1) not found (pos 2) [ 100.203175][ T28] audit: type=1800 audit(1765284758.320:2): pid=5925 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.17" name="file1" dev="loop0" ino=5 res=0 errno=0 [ 100.239535][ T5925] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN [ 100.251394][ T5925] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 100.259840][ T5925] CPU: 0 PID: 5925 Comm: syz.0.17 Not tainted syzkaller #0 [ 100.267055][ T5925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 100.277138][ T5925] RIP: 0010:reiserfs_get_block+0x1612/0x3ed0 [ 100.283156][ T5925] Code: 5f 04 00 00 e8 8f c0 65 ff 4d 89 f0 e9 0b 02 00 00 44 8b bc 24 40 03 00 00 4c 89 74 24 38 4d 8d 74 9e fc 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 63 0d 00 00 4c 89 fb 45 89 3e 48 8b 44 [ 100.302783][ T5925] RSP: 0018:ffffc900039372a0 EFLAGS: 00010203 [ 100.308864][ T5925] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffff88802b761e00 [ 100.316849][ T5925] RDX: 0000000000000000 RSI: 00000000000003f4 RDI: 0000000000000000 [ 100.324940][ T5925] RBP: ffffc90003937810 R08: ffffc9000393777f R09: 0000000000000000 [ 100.332937][ T5925] R10: ffffc90003937760 R11: fffff52000726ef0 R12: dffffc0000000000 [ 100.340918][ T5925] R13: 00000000000003f4 R14: 000000000000000c R15: 0000000000000217 [ 100.348893][ T5925] FS: 0000555567419500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 100.357829][ T5925] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.364414][ T5925] CR2: 00007f891a593000 CR3: 00000000750f6000 CR4: 00000000003506f0 [ 100.372478][ T5925] Call Trace: [ 100.375761][ T5925] [ 100.378730][ T5925] ? make_le_item_head+0x5a0/0x5a0 [ 100.383867][ T5925] ? mod_objcg_state+0x50b/0x890 [ 100.388812][ T5925] ? lockdep_hardirqs_on+0x98/0x150 [ 100.394022][ T5925] ? verify_lock_unused+0x140/0x140 [ 100.399235][ T5925] ? lockdep_init_map_type+0xa1/0x880 [ 100.404632][ T5925] ? folio_create_empty_buffers+0x540/0x730 [ 100.410544][ T5925] ? __lock_acquire+0x7c80/0x7c80 [ 100.415575][ T5925] ? __rwlock_init+0x150/0x150 [ 100.420357][ T5925] ? do_raw_spin_unlock+0x121/0x230 [ 100.425571][ T5925] ? _raw_spin_unlock+0x28/0x40 [ 100.430433][ T5925] __block_write_begin_int+0x566/0x1ad0 [ 100.435999][ T5925] ? make_le_item_head+0x5a0/0x5a0 [ 100.441122][ T5925] ? folio_zero_new_buffers+0x550/0x550 [ 100.446683][ T5925] ? __block_write_begin+0x64/0x150 [ 100.451889][ T5925] reiserfs_write_begin+0x20a/0x4c0 [ 100.457095][ T5925] ? fault_in_iov_iter_readable+0xbf/0x2e0 [ 100.462912][ T5925] generic_perform_write+0x2fb/0x5b0 [ 100.468211][ T5925] ? generic_file_direct_write+0x3e0/0x3e0 [ 100.474030][ T5925] ? __generic_file_write_iter+0xf7/0x230 [ 100.479762][ T5925] ? generic_file_write_iter+0x9b/0x2e0 [ 100.485315][ T5925] generic_file_write_iter+0xaf/0x2e0 [ 100.490696][ T5925] do_iter_write+0x79a/0xc70 [ 100.495305][ T5925] ? vfs_iter_write+0xa0/0xa0 [ 100.499990][ T5925] ? rcu_read_lock_any_held+0xb4/0x120 [ 100.505465][ T5925] do_pwritev+0x205/0x340 [ 100.509843][ T5925] ? do_preadv+0x330/0x330 [ 100.514303][ T5925] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 100.520293][ T5925] ? lock_chain_count+0x20/0x20 [ 100.525149][ T5925] ? lockdep_hardirqs_on+0x98/0x150 [ 100.530354][ T5925] ? __x64_sys_pwritev2+0xbe/0x100 [ 100.535480][ T5925] do_syscall_64+0x55/0xb0 [ 100.539904][ T5925] ? clear_bhb_loop+0x40/0x90 [ 100.544597][ T5925] ? clear_bhb_loop+0x40/0x90 [ 100.549288][ T5925] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 100.555190][ T5925] RIP: 0033:0x7fd9ba78f749 [ 100.559633][ T5925] 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 [ 100.579255][ T5925] RSP: 002b:00007ffef0e82918 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 100.587675][ T5925] RAX: ffffffffffffffda RBX: 00007fd9ba9e5fa0 RCX: 00007fd9ba78f749 [ 100.595656][ T5925] RDX: 0000000000000001 RSI: 00002000000001c0 RDI: 0000000000000006 [ 100.603642][ T5925] RBP: 00007fd9ba813f91 R08: 0000000000000000 R09: 0000000000000000 [ 100.611612][ T5925] R10: 0000000000000e7b R11: 0000000000000246 R12: 0000000000000000 [ 100.619588][ T5925] R13: 00007fd9ba9e5fa0 R14: 00007fd9ba9e5fa0 R15: 0000000000000006 [ 100.627574][ T5925] [ 100.630600][ T5925] Modules linked in: [ 100.639920][ T5925] ---[ end trace 0000000000000000 ]--- [ 100.645516][ T5925] RIP: 0010:reiserfs_get_block+0x1612/0x3ed0 [ 100.653915][ T5925] Code: 5f 04 00 00 e8 8f c0 65 ff 4d 89 f0 e9 0b 02 00 00 44 8b bc 24 40 03 00 00 4c 89 74 24 38 4d 8d 74 9e fc 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 63 0d 00 00 4c 89 fb 45 89 3e 48 8b 44 [ 100.673891][ T5925] RSP: 0018:ffffc900039372a0 EFLAGS: 00010203 [ 100.680409][ T5925] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffff88802b761e00 [ 100.688456][ T5925] RDX: 0000000000000000 RSI: 00000000000003f4 RDI: 0000000000000000 [ 100.696475][ T5925] RBP: ffffc90003937810 R08: ffffc9000393777f R09: 0000000000000000 [ 100.704691][ T5925] R10: ffffc90003937760 R11: fffff52000726ef0 R12: dffffc0000000000 [ 100.713506][ T5925] R13: 00000000000003f4 R14: 000000000000000c R15: 0000000000000217 [ 100.721590][ T5925] FS: 0000555567419500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 100.730623][ T5925] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.737207][ T5925] CR2: 00007f891a593000 CR3: 00000000750f6000 CR4: 00000000003506f0 [ 100.745309][ T5925] Kernel panic - not syncing: Fatal exception [ 100.751714][ T5925] Kernel Offset: disabled [ 100.756041][ T5925] Rebooting in 86400 seconds..