Warning: Permanently added '[localhost]:9894' (ED25519) to the list of known hosts. 2026/01/02 10:24:59 parsed 1 programs syzkaller login: [ 84.042476][ T5325] cgroup: Unknown subsys name 'net' [ 84.130143][ T5325] cgroup: Unknown subsys name 'cpuset' [ 84.137841][ T5325] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 85.949909][ T5325] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 91.522026][ T4679] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 91.526868][ T4679] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 91.530664][ T4679] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 91.534265][ T4679] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 91.538958][ T4679] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 91.805801][ T9] cfg80211: failed to load regulatory.db [ 91.903316][ T5340] 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. [ 93.887382][ T1096] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.890727][ T1096] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.937364][ T1096] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.940709][ T1096] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 96.951336][ T5398] chnl_net:caif_netlink_parms(): no params data found [ 97.018499][ T5398] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.022555][ T5398] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.025555][ T5398] bridge_slave_0: entered allmulticast mode [ 97.029846][ T5398] bridge_slave_0: entered promiscuous mode [ 97.036729][ T5398] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.039803][ T5398] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.042873][ T5398] bridge_slave_1: entered allmulticast mode [ 97.047442][ T5398] bridge_slave_1: entered promiscuous mode [ 97.073296][ T5398] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.079987][ T5398] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.104542][ T5398] team0: Port device team_slave_0 added [ 97.109128][ T5398] team0: Port device team_slave_1 added [ 97.130640][ T5398] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.133936][ T5398] 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. [ 97.145257][ T5398] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 97.153402][ T5398] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 97.156860][ T5398] 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. [ 97.167272][ T5398] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 97.203510][ T5398] hsr_slave_0: entered promiscuous mode [ 97.207083][ T5398] hsr_slave_1: entered promiscuous mode [ 97.355660][ T5398] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 97.366498][ T5398] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 97.372824][ T5398] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 97.380292][ T5398] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 97.411428][ T5398] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.414280][ T5398] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.417998][ T5398] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.421119][ T5398] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.472913][ T5398] 8021q: adding VLAN 0 to HW filter on device bond0 [ 97.484980][ T1096] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.490535][ T1096] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.499839][ T5398] 8021q: adding VLAN 0 to HW filter on device team0 [ 97.509527][ T3016] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.512655][ T3016] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.526715][ T1096] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.529791][ T1096] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.695341][ T5398] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 97.732242][ T5398] veth0_vlan: entered promiscuous mode [ 97.742098][ T5398] veth1_vlan: entered promiscuous mode [ 97.767179][ T5398] veth0_macvtap: entered promiscuous mode [ 97.772450][ T5398] veth1_macvtap: entered promiscuous mode [ 97.788414][ T5398] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 97.799348][ T5398] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 97.809523][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.813083][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.831352][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.834776][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.050025][ T1096] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.100327][ T1096] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.147367][ T1096] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.285469][ T1096] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/01/02 10:25:17 executed programs: 0 [ 99.995459][ T46] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 100.001308][ T46] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 100.005124][ T46] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 100.012851][ T46] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 100.016652][ T46] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 100.253710][ T5438] chnl_net:caif_netlink_parms(): no params data found [ 100.355401][ T5438] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.358936][ T5438] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.362354][ T5438] bridge_slave_0: entered allmulticast mode [ 100.367436][ T5438] bridge_slave_0: entered promiscuous mode [ 100.371954][ T5438] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.374836][ T5438] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.378588][ T5438] bridge_slave_1: entered allmulticast mode [ 100.382497][ T5438] bridge_slave_1: entered promiscuous mode [ 100.406941][ T5438] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 100.412810][ T5438] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 100.458573][ T5438] team0: Port device team_slave_0 added [ 100.462919][ T5438] team0: Port device team_slave_1 added [ 100.517855][ T5438] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 100.520986][ T5438] 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. [ 100.546770][ T5438] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 100.552607][ T5438] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 100.555389][ T5438] 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. [ 100.584875][ T5438] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 100.648585][ T5438] hsr_slave_0: entered promiscuous mode [ 100.653912][ T5438] hsr_slave_1: entered promiscuous mode [ 100.657343][ T5438] debugfs: 'hsr0' already exists in 'hsr' [ 100.659628][ T5438] Cannot create hsr debugfs directory [ 100.766620][ T1096] bridge_slave_1: left allmulticast mode [ 100.768901][ T1096] bridge_slave_1: left promiscuous mode [ 100.772052][ T1096] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.795341][ T1096] bridge_slave_0: left allmulticast mode [ 100.801246][ T1096] bridge_slave_0: left promiscuous mode [ 100.803848][ T1096] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.160043][ T1096] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 101.167708][ T1096] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 101.172519][ T1096] bond0 (unregistering): Released all slaves [ 101.257364][ T1096] hsr_slave_0: left promiscuous mode [ 101.260300][ T1096] hsr_slave_1: left promiscuous mode [ 101.263359][ T1096] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 101.268324][ T1096] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 101.272353][ T1096] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 101.275619][ T1096] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 101.288730][ T1096] veth1_macvtap: left promiscuous mode [ 101.291106][ T1096] veth0_macvtap: left promiscuous mode [ 101.293457][ T1096] veth1_vlan: left promiscuous mode [ 101.295720][ T1096] veth0_vlan: left promiscuous mode [ 101.620964][ T1096] team0 (unregistering): Port device team_slave_1 removed [ 101.645721][ T1096] team0 (unregistering): Port device team_slave_0 removed [ 102.044589][ T46] Bluetooth: hci0: command tx timeout [ 102.567875][ T5438] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 102.589706][ T5438] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 102.613176][ T5438] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 102.633343][ T5438] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 102.798259][ T5438] 8021q: adding VLAN 0 to HW filter on device bond0 [ 102.824329][ T5438] 8021q: adding VLAN 0 to HW filter on device team0 [ 102.859968][ T4506] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.863077][ T4506] bridge0: port 1(bridge_slave_0) entered forwarding state [ 102.877941][ T4506] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.881104][ T4506] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.288514][ T5438] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 103.340823][ T5438] veth0_vlan: entered promiscuous mode [ 103.349132][ T5438] veth1_vlan: entered promiscuous mode [ 103.372935][ T5438] veth0_macvtap: entered promiscuous mode [ 103.379530][ T5438] veth1_macvtap: entered promiscuous mode [ 103.392115][ T5438] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 103.403511][ T5438] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 103.412461][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.421068][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.432627][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.447809][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.489473][ T1096] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.492726][ T1096] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.522067][ T1314] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.525704][ T1314] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.665591][ T5481] loop0: detected capacity change from 0 to 4096 [ 103.770515][ T5481] [ 103.771691][ T5481] ============================================ [ 103.774451][ T5481] WARNING: possible recursive locking detected [ 103.777175][ T5481] syzkaller #0 Not tainted [ 103.779158][ T5481] -------------------------------------------- [ 103.781670][ T5481] syz.0.17/5481 is trying to acquire lock: [ 103.784119][ T5481] ffff888045b41e20 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: mi_read+0x2d4/0x5a0 [ 103.787857][ T5481] [ 103.787857][ T5481] but task is already holding lock: [ 103.790851][ T5481] ffff888045b47580 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: ntfs_link+0xf6/0x280 [ 103.794466][ T5481] [ 103.794466][ T5481] other info that might help us debug this: [ 103.797892][ T5481] Possible unsafe locking scenario: [ 103.797892][ T5481] [ 103.801080][ T5481] CPU0 [ 103.802579][ T5481] ---- [ 103.804103][ T5481] lock(&ni->ni_lock#3/5); [ 103.806157][ T5481] lock(&ni->ni_lock#3/5); [ 103.808039][ T5481] [ 103.808039][ T5481] *** DEADLOCK *** [ 103.808039][ T5481] [ 103.811467][ T5481] May be due to missing lock nesting notation [ 103.811467][ T5481] [ 103.814953][ T5481] 6 locks held by syz.0.17/5481: [ 103.816915][ T5481] #0: ffff888036062420 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 103.820779][ T5481] #1: ffff888045b470d0 (&type->i_mutex_dir_key#8/1){+.+.}-{4:4}, at: filename_create+0x1fb/0x360 [ 103.825511][ T5481] #2: ffff888045b47818 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: vfs_link+0x3b4/0x6e0 [ 103.829787][ T5481] #3: ffff888045b46e38 (&ni->ni_lock/6){+.+.}-{4:4}, at: ntfs_link+0xdb/0x280 [ 103.833883][ T5481] #4: ffff888045b47580 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: ntfs_link+0xf6/0x280 [ 103.837632][ T5481] #5: ffff888036060130 (&wnd->rw_lock/1){+.+.}-{4:4}, at: ntfs_look_free_mft+0x163/0xd50 [ 103.841748][ T5481] [ 103.841748][ T5481] stack backtrace: [ 103.844425][ T5481] CPU: 0 UID: 0 PID: 5481 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 103.844440][ T5481] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 103.844448][ T5481] Call Trace: [ 103.844457][ T5481] [ 103.844463][ T5481] dump_stack_lvl+0xe8/0x150 [ 103.844483][ T5481] print_deadlock_bug+0x279/0x290 [ 103.844498][ T5481] __lock_acquire+0x2540/0x2cf0 [ 103.844511][ T5481] ? stack_trace_save+0x9c/0xe0 [ 103.844527][ T5481] ? __pfx_stack_trace_save+0x10/0x10 [ 103.844541][ T5481] ? mi_read+0x2d4/0x5a0 [ 103.844551][ T5481] lock_acquire+0x107/0x340 [ 103.844560][ T5481] ? mi_read+0x2d4/0x5a0 [ 103.844572][ T5481] __mutex_lock+0x187/0x1350 [ 103.844635][ T5481] ? mi_read+0x2d4/0x5a0 [ 103.844647][ T5481] ? __pfx_ntfs_read_run_nb+0x10/0x10 [ 103.844662][ T5481] ? mi_read+0x2d4/0x5a0 [ 103.844671][ T5481] ? __pfx___mutex_lock+0x10/0x10 [ 103.844680][ T5481] ? __up_read+0x25d/0x670 [ 103.844694][ T5481] ? __pfx___up_read+0x10/0x10 [ 103.844706][ T5481] ? mi_read+0x201/0x5a0 [ 103.844716][ T5481] mi_read+0x2d4/0x5a0 [ 103.844727][ T5481] mi_format_new+0x1a3/0x610 [ 103.844738][ T5481] ni_add_subrecord+0xd1/0x460 [ 103.844753][ T5481] ntfs_look_free_mft+0x6aa/0xd50 [ 103.844767][ T5481] ? __pfx_ntfs_look_free_mft+0x10/0x10 [ 103.844779][ T5481] ? rcu_is_watching+0x15/0xb0 [ 103.844792][ T5481] ? mi_enum_attr+0x20f/0x9f0 [ 103.844801][ T5481] ni_create_attr_list+0x8ff/0x13d0 [ 103.844817][ T5481] ? __pfx_ni_create_attr_list+0x10/0x10 [ 103.844831][ T5481] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 103.844847][ T5481] ? kasan_save_track+0x4f/0x80 [ 103.844862][ T5481] ? __kasan_slab_alloc+0x6c/0x80 [ 103.844870][ T5481] ? ntfs_link_inode+0x8f/0x180 [ 103.844881][ T5481] ? ntfs_link+0x118/0x280 [ 103.844886][ T5481] ? vfs_link+0x518/0x6e0 [ 103.844892][ T5481] ? do_linkat+0x283/0x5a0 [ 103.844897][ T5481] ? __x64_sys_linkat+0xd4/0xf0 [ 103.844903][ T5481] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 103.844910][ T5481] ni_ins_attr_ext+0x43f/0xba0 [ 103.844921][ T5481] ? __pfx_ni_ins_attr_ext+0x10/0x10 [ 103.844929][ T5481] ? mi_find_attr+0x2b6/0x2c0 [ 103.844937][ T5481] ? ni_find_attr+0x1dd/0x570 [ 103.844945][ T5481] ni_add_name+0x6df/0xc90 [ 103.844954][ T5481] ntfs_link_inode+0x132/0x180 [ 103.844962][ T5481] ntfs_link+0x118/0x280 [ 103.844968][ T5481] ? try_break_deleg+0x79/0x120 [ 103.844981][ T5481] vfs_link+0x518/0x6e0 [ 103.844990][ T5481] do_linkat+0x283/0x5a0 [ 103.845001][ T5481] ? __pfx_do_linkat+0x10/0x10 [ 103.845010][ T5481] ? getname_flags+0x1e5/0x540 [ 103.845020][ T5481] __x64_sys_linkat+0xd4/0xf0 [ 103.845030][ T5481] do_syscall_64+0xec/0xf80 [ 103.845047][ T5481] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 103.845056][ T5481] ? trace_irq_disable+0x37/0x100 [ 103.845070][ T5481] ? clear_bhb_loop+0x60/0xb0 [ 103.845081][ T5481] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 103.845090][ T5481] RIP: 0033:0x7f92d038f7c9 [ 103.845103][ T5481] 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 [ 103.845111][ T5481] RSP: 002b:00007ffc4c182aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000109 [ 103.845123][ T5481] RAX: ffffffffffffffda RBX: 00007f92d05e5fa0 RCX: 00007f92d038f7c9 [ 103.845131][ T5481] RDX: 0000000000000005 RSI: 0000200000000300 RDI: 0000000000000005 [ 103.845137][ T5481] RBP: 00007f92d0413f91 R08: 0000000000000000 R09: 0000000000000000 [ 103.845143][ T5481] R10: 0000200000000400 R11: 0000000000000246 R12: 0000000000000000 [ 103.845149][ T5481] R13: 00007f92d05e5fa0 R14: 00007f92d05e5fa0 R15: 0000000000000005 [ 103.845159][ T5481] [ 104.117308][ T46] Bluetooth: hci0: command tx timeout [ 104.171515][ T5482] loop0: detected capacity change from 0 to 4096 [ 104.302250][ T5483] loop0: detected capacity change from 0 to 4096 [ 104.462111][ T5484] loop0: detected capacity change from 0 to 4096 [ 104.616630][ T5485] loop0: detected capacity change from 0 to 4096 [ 104.741559][ T5486] loop0: detected capacity change from 0 to 4096 [ 104.835675][ T5487] loop0: detected capacity change from 0 to 4096 2026/01/02 10:25:22 executed programs: 9 [ 104.982761][ T5488] loop0: detected capacity change from 0 to 4096 [ 105.119458][ T5489] loop0: detected capacity change from 0 to 4096 [ 105.234771][ T5490] loop0: detected capacity change from 0 to 4096 [ 106.197498][ T46] Bluetooth: hci0: command tx timeout [ 108.276526][ T46] Bluetooth: hci0: command tx timeout [ 108.697147][ T5516] set_capacity_and_notify: 25 callbacks suppressed [ 108.697162][ T5516] loop0: detected capacity change from 0 to 4096 [ 108.855753][ T5517] loop0: detected capacity change from 0 to 4096 [ 109.027144][ T5518] loop0: detected capacity change from 0 to 4096 [ 109.206467][ T5520] loop0: detected capacity change from 0 to 4096 [ 109.376651][ T5521] loop0: detected capacity change from 0 to 4096 [ 109.473139][ T5522] loop0: detected capacity change from 0 to 4096 [ 109.565864][ T5523] loop0: detected capacity change from 0 to 4096 [ 109.662992][ T5524] loop0: detected capacity change from 0 to 4096 [ 109.773755][ T5525] loop0: detected capacity change from 0 to 4096 [ 109.877157][ T5526] loop0: detected capacity change from 0 to 4096 2026/01/02 10:25:27 executed programs: 47