no interfaces have a carrier [ 56.938145][ T5433] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.957218][ T5433] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.103' (ED25519) to the list of known hosts. 2025/12/18 23:34:49 parsed 1 programs syzkaller login: [ 91.071508][ T5776] cgroup: Unknown subsys name 'net' [ 91.183732][ T5776] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 92.217954][ T968] cfg80211: failed to load regulatory.db [ 92.986042][ T5776] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 96.791227][ T5814] chnl_net:caif_netlink_parms(): no params data found [ 96.887352][ T5814] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.895429][ T5814] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.902684][ T5814] bridge_slave_0: entered allmulticast mode [ 96.910357][ T5814] bridge_slave_0: entered promiscuous mode [ 96.929483][ T5814] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.937728][ T5814] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.945300][ T5814] bridge_slave_1: entered allmulticast mode [ 96.952354][ T5814] bridge_slave_1: entered promiscuous mode [ 96.986216][ T5814] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.007522][ T5814] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.054098][ T5814] team0: Port device team_slave_0 added [ 97.062100][ T5814] team0: Port device team_slave_1 added [ 97.107684][ T5814] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.114877][ T5814] 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. [ 97.141465][ T5814] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 97.157070][ T5814] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 97.164169][ T5814] 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. [ 97.190172][ T5814] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 97.242390][ T5814] hsr_slave_0: entered promiscuous mode [ 97.249134][ T5814] hsr_slave_1: entered promiscuous mode [ 97.460626][ T5814] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 97.472776][ T5814] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 97.489598][ T5814] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 97.501941][ T5814] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 97.536155][ T5814] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.543669][ T5814] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.552101][ T5814] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.559593][ T5814] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.645565][ T5814] 8021q: adding VLAN 0 to HW filter on device bond0 [ 97.666915][ T1099] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.676084][ T1099] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.699236][ T5814] 8021q: adding VLAN 0 to HW filter on device team0 [ 97.711928][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.719183][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.738762][ T1099] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.746004][ T1099] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.974589][ T5814] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.024023][ T5814] veth0_vlan: entered promiscuous mode [ 98.037626][ T5814] veth1_vlan: entered promiscuous mode [ 98.077306][ T5814] veth0_macvtap: entered promiscuous mode [ 98.087477][ T5814] veth1_macvtap: entered promiscuous mode [ 98.107551][ T5814] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 98.122656][ T5814] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 98.137363][ T5814] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.148441][ T5814] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.157368][ T5814] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.166209][ T5814] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.377252][ T1119] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.487657][ T48] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.497364][ T48] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.536940][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.545324][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.020592][ T5863] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 100.029422][ T5863] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 100.037600][ T5863] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 100.048090][ T5863] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 100.056467][ T5863] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 100.064009][ T5863] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2025/12/18 23:35:01 executed programs: 0 [ 100.809599][ T5083] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 100.819812][ T5083] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 100.829484][ T5083] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 100.838852][ T5083] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 100.847763][ T5083] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 100.856540][ T5083] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 100.887839][ T1119] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.051749][ T5878] chnl_net:caif_netlink_parms(): no params data found [ 101.125665][ T5878] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.132972][ T5878] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.140632][ T5878] bridge_slave_0: entered allmulticast mode [ 101.148903][ T5878] bridge_slave_0: entered promiscuous mode [ 101.157699][ T5878] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.165214][ T5878] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.172516][ T5878] bridge_slave_1: entered allmulticast mode [ 101.180547][ T5878] bridge_slave_1: entered promiscuous mode [ 101.213325][ T5878] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 101.226116][ T5878] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 101.263382][ T5878] team0: Port device team_slave_0 added [ 101.273104][ T5878] team0: Port device team_slave_1 added [ 101.302853][ T5878] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 101.309916][ T5878] 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. [ 101.336849][ T5878] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 101.349245][ T5878] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 101.358062][ T5878] 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. [ 101.384560][ T5878] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 101.431245][ T5878] hsr_slave_0: entered promiscuous mode [ 101.437902][ T5878] hsr_slave_1: entered promiscuous mode [ 101.445357][ T5878] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 101.453308][ T5878] Cannot create hsr debugfs directory [ 102.924983][ T5083] Bluetooth: hci0: command tx timeout [ 103.167207][ T1119] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 103.241059][ T1119] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.100059][ T5878] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 104.138377][ T5878] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 104.150245][ T5878] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 104.165940][ T5878] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 104.195790][ T1119] hsr_slave_0: left promiscuous mode [ 104.202261][ T1119] hsr_slave_1: left promiscuous mode [ 104.211064][ T1119] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 104.219808][ T1119] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 104.228892][ T1119] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 104.236734][ T1119] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 104.245109][ T1119] bridge_slave_1: left allmulticast mode [ 104.250812][ T1119] bridge_slave_1: left promiscuous mode [ 104.258263][ T1119] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.271790][ T1119] bridge_slave_0: left allmulticast mode [ 104.279358][ T1119] bridge_slave_0: left promiscuous mode [ 104.286380][ T1119] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.322929][ T1119] veth1_macvtap: left promiscuous mode [ 104.328988][ T1119] veth0_macvtap: left promiscuous mode [ 104.335262][ T1119] veth1_vlan: left promiscuous mode [ 104.340983][ T1119] veth0_vlan: left promiscuous mode [ 104.879891][ T1119] team0 (unregistering): Port device team_slave_1 removed [ 104.948250][ T1119] team0 (unregistering): Port device team_slave_0 removed [ 104.991867][ T1119] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 105.005508][ T5083] Bluetooth: hci0: command tx timeout [ 105.060662][ T1119] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 105.526788][ T1119] bond0 (unregistering): Released all slaves [ 105.698453][ T5878] 8021q: adding VLAN 0 to HW filter on device bond0 [ 105.726751][ T5878] 8021q: adding VLAN 0 to HW filter on device team0 [ 105.750685][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.758011][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.777049][ T42] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.784709][ T42] bridge0: port 2(bridge_slave_1) entered forwarding state [ 106.041498][ T5878] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 106.111984][ T5878] veth0_vlan: entered promiscuous mode [ 106.139183][ T5878] veth1_vlan: entered promiscuous mode [ 106.189648][ T5878] veth0_macvtap: entered promiscuous mode [ 106.210022][ T5878] veth1_macvtap: entered promiscuous mode [ 106.250012][ T5878] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 106.270855][ T5878] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 106.305549][ T5878] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.315676][ T5878] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.326646][ T5878] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.335696][ T5878] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.419464][ T48] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.427827][ T48] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.461181][ T1099] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.470352][ T1099] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.518428][ T5927] syz.0.17[5927]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 106.831877][ T5927] loop0: detected capacity change from 0 to 32768 [ 106.842587][ T5927] ======================================================= [ 106.842587][ T5927] WARNING: The mand mount option has been deprecated and [ 106.842587][ T5927] and is ignored by this kernel. Remove the mand [ 106.842587][ T5927] option from the mount to silence this warning. [ 106.842587][ T5927] ======================================================= [ 106.914143][ T5927] ocfs2: Slot 0 on device (7,0) was already allocated to this node! [ 106.971931][ T5927] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 107.104101][ T5083] Bluetooth: hci0: command tx timeout SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 107.466265][ T5878] ------------[ cut here ]------------ [ 107.472644][ T5878] kernel BUG at fs/ocfs2/alloc.c:6012! [ 107.484185][ T5878] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 107.490614][ T5878] CPU: 1 PID: 5878 Comm: syz-executor Not tainted syzkaller #0 [ 107.498221][ T5878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 107.508597][ T5878] RIP: 0010:__ocfs2_flush_truncate_log+0xf7e/0x10b0 [ 107.515229][ T5878] Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 28 fc ff ff 48 89 df e8 d3 36 93 fe e9 1b fc ff ff e8 59 c8 3b fe 0f 0b e8 52 c8 3b fe <0f> 0b f3 0f 1e fa 65 44 8b 35 50 ed b9 7c bf 07 00 00 00 44 89 f6 [ 107.535053][ T5878] RSP: 0018:ffffc900033079c0 EFLAGS: 00010293 [ 107.541174][ T5878] RAX: ffffffff8349c86e RBX: ffff888077620000 RCX: ffff888027c35a00 [ 107.549451][ T5878] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 107.559378][ T5878] RBP: ffffc90003307bd8 R08: ffffc90003307947 R09: 1ffff92000660f28 [ 107.567564][ T5878] R10: dffffc0000000000 R11: fffff52000660f29 R12: 0000000000000001 [ 107.575657][ T5878] R13: ffff88805f4e3338 R14: ffff888029505a00 R15: ffff88807dac6000 [ 107.583644][ T5878] FS: 000055557a77b500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 107.592597][ T5878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.599511][ T5878] CR2: 000000c00003e720 CR3: 000000006fd67000 CR4: 00000000003506e0 [ 107.607508][ T5878] Call Trace: [ 107.610802][ T5878] [ 107.613755][ T5878] ? ocfs2_truncate_log_needs_flush+0x2e0/0x2e0 [ 107.620019][ T5878] ? read_lock_is_recursive+0x20/0x20 [ 107.625432][ T5878] ? down_write+0x162/0x1f0 [ 107.630040][ T5878] ? down_read_killable+0x340/0x340 [ 107.635254][ T5878] ? __rwlock_init+0x150/0x150 [ 107.640130][ T5878] ocfs2_flush_truncate_log+0x4f/0x60 [ 107.645522][ T5878] ocfs2_sync_fs+0x117/0x310 [ 107.650126][ T5878] ? ocfs2_put_super+0x1c0/0x1c0 [ 107.655081][ T5878] ? writeback_inodes_sb_nr+0x30/0x30 [ 107.660476][ T5878] ? get_nr_dirty_inodes+0x1d4/0x220 [ 107.665776][ T5878] sync_filesystem+0x1c2/0x220 [ 107.670563][ T5878] generic_shutdown_super+0x6f/0x2b0 [ 107.675900][ T5878] kill_block_super+0x44/0x90 [ 107.680590][ T5878] deactivate_locked_super+0x97/0x100 [ 107.685987][ T5878] cleanup_mnt+0x429/0x4c0 [ 107.690519][ T5878] task_work_run+0x1ce/0x250 [ 107.695175][ T5878] ? task_work_cancel+0x240/0x240 [ 107.700224][ T5878] ? exit_to_user_mode_loop+0x3b/0x110 [ 107.705791][ T5878] exit_to_user_mode_loop+0xe6/0x110 [ 107.711218][ T5878] exit_to_user_mode_prepare+0xf6/0x180 [ 107.716881][ T5878] syscall_exit_to_user_mode+0x1a/0x50 [ 107.722715][ T5878] do_syscall_64+0x61/0xb0 [ 107.727161][ T5878] ? clear_bhb_loop+0x40/0x90 [ 107.731856][ T5878] ? clear_bhb_loop+0x40/0x90 [ 107.736738][ T5878] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 107.742654][ T5878] RIP: 0033:0x7f1574b90a77 [ 107.747102][ T5878] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 [ 107.767460][ T5878] RSP: 002b:00007ffd3e58b978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 107.775980][ T5878] RAX: 0000000000000000 RBX: 00007f1574c13d7d RCX: 00007f1574b90a77 [ 107.783976][ T5878] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd3e58ba30 [ 107.791974][ T5878] RBP: 00007ffd3e58ba30 R08: 0000000000000000 R09: 0000000000000000 [ 107.799972][ T5878] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd3e58cac0 [ 107.807966][ T5878] R13: 00007f1574c13d7d R14: 000000000001a331 R15: 00007ffd3e58cb00 [ 107.815976][ T5878] [ 107.819022][ T5878] Modules linked in: [ 107.826662][ T5878] ---[ end trace 0000000000000000 ]--- [ 107.832237][ T5878] RIP: 0010:__ocfs2_flush_truncate_log+0xf7e/0x10b0 [ 107.839082][ T5878] Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 28 fc ff ff 48 89 df e8 d3 36 93 fe e9 1b fc ff ff e8 59 c8 3b fe 0f 0b e8 52 c8 3b fe <0f> 0b f3 0f 1e fa 65 44 8b 35 50 ed b9 7c bf 07 00 00 00 44 89 f6 [ 107.859161][ T5878] RSP: 0018:ffffc900033079c0 EFLAGS: 00010293 [ 107.866095][ T5878] RAX: ffffffff8349c86e RBX: ffff888077620000 RCX: ffff888027c35a00 [ 107.874948][ T5878] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 107.882966][ T5878] RBP: ffffc90003307bd8 R08: ffffc90003307947 R09: 1ffff92000660f28 [ 107.896914][ T5878] R10: dffffc0000000000 R11: fffff52000660f29 R12: 0000000000000001 [ 107.905766][ T5878] R13: ffff88805f4e3338 R14: ffff888029505a00 R15: ffff88807dac6000 [ 107.922990][ T5878] FS: 000055557a77b500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 107.933537][ T5878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.941310][ T5878] CR2: 00007f7372517d60 CR3: 000000006fd67000 CR4: 00000000003506f0 [ 107.955505][ T5878] Kernel panic - not syncing: Fatal exception [ 107.962184][ T5878] Kernel Offset: disabled [ 107.966524][ T5878] Rebooting in 86400 seconds..