Warning: Permanently added '[localhost]:8678' (ED25519) to the list of known hosts. 2026/09/25 08:01:50 parsed 1 programs 2026/09/25 08:01:50 serving rpc on tcp://32803 [ 40.602855][ T5743] cgroup: Unknown subsys name 'net' [ 40.719458][ T5743] cgroup: Unknown subsys name 'cpuset' [ 40.721996][ T5743] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 41.631719][ T5743] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 43.512125][ T5750] soft_limit_in_bytes is deprecated and will be removed. Writing any value to this file has no effect. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 43.516890][ T5750] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 43.528062][ T5750] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 43.529053][ T5750] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 43.538398][ T5750] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 44.264157][ T5774] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.265206][ T5774] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.265762][ T5774] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.267333][ T5774] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.267813][ T5774] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 44.702381][ T225] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.702401][ T225] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.740811][ T225] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.740825][ T225] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.205665][ T5791] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.206206][ T5791] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.206390][ T5791] bridge_slave_0: entered allmulticast mode [ 45.207275][ T5791] bridge_slave_0: entered promiscuous mode [ 45.210014][ T5791] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.210086][ T5791] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.210144][ T5791] bridge_slave_1: entered allmulticast mode [ 45.211168][ T5791] bridge_slave_1: entered promiscuous mode [ 45.231218][ T5791] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 45.232613][ T5791] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 45.248969][ T5791] team0: Port device team_slave_0 added [ 45.250565][ T5791] team0: Port device team_slave_1 added [ 45.264184][ T5791] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 45.264194][ T5791] 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. [ 45.264206][ T5791] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 45.265483][ T5791] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 45.265491][ T5791] 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. [ 45.265503][ T5791] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 45.309725][ T5791] hsr_slave_0: entered promiscuous mode [ 45.310194][ T5791] hsr_slave_1: entered promiscuous mode [ 45.401360][ T5791] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.407825][ T5791] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 45.408772][ T5791] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.413145][ T5791] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 45.415437][ T5791] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.418882][ T5791] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 45.419451][ T5791] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.422085][ T5791] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 45.475590][ T5791] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.490200][ T5791] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.494380][ T225] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.494488][ T225] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.499255][ T225] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.499333][ T225] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.813274][ T5791] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.841022][ T5791] veth0_vlan: entered promiscuous mode [ 45.848108][ T5791] veth1_vlan: entered promiscuous mode [ 45.862239][ T5791] veth0_macvtap: entered promiscuous mode [ 45.864673][ T5791] veth1_macvtap: entered promiscuous mode [ 45.877790][ T5791] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 45.883744][ T5791] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 45.926724][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.946397][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.946426][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.946443][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.988936][ T13] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.066506][ T13] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.114651][ T13] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.183351][ T13] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/09/25 08:01:59 executed programs: 0 [ 47.087538][ T5096] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 47.088303][ T5096] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 47.089376][ T5096] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 47.089854][ T5096] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 47.090137][ T5096] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 47.459797][ T5862] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.459883][ T5862] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.460610][ T5862] bridge_slave_0: entered allmulticast mode [ 47.461385][ T5862] bridge_slave_0: entered promiscuous mode [ 47.463772][ T5862] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.463813][ T5862] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.463872][ T5862] bridge_slave_1: entered allmulticast mode [ 47.464627][ T5862] bridge_slave_1: entered promiscuous mode [ 47.485941][ T5862] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 47.488902][ T5862] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 47.511771][ T5862] team0: Port device team_slave_0 added [ 47.513055][ T5862] team0: Port device team_slave_1 added [ 47.530038][ T5862] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 47.530049][ T5862] 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. [ 47.530061][ T5862] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 47.530979][ T5862] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 47.530987][ T5862] 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. [ 47.530999][ T5862] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 47.559816][ T5862] hsr_slave_0: entered promiscuous mode [ 47.560358][ T5862] hsr_slave_1: entered promiscuous mode [ 47.560701][ T5862] debugfs: 'hsr0' already exists in 'hsr' [ 47.560747][ T5862] Cannot create hsr debugfs directory [ 48.695912][ T13] bridge_slave_1: left allmulticast mode [ 48.695939][ T13] bridge_slave_1: left promiscuous mode [ 48.696601][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.702521][ T13] bridge_slave_0: left allmulticast mode [ 48.702535][ T13] bridge_slave_0: left promiscuous mode [ 48.703168][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.811565][ T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 48.813880][ T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 48.815305][ T13] bond0 (unregistering): Released all slaves [ 48.877312][ T13] hsr_slave_0: left promiscuous mode [ 48.878439][ T13] hsr_slave_1: left promiscuous mode [ 48.879243][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 48.879643][ T13] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 48.880945][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 48.880959][ T13] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 48.887300][ T13] veth1_macvtap: left promiscuous mode [ 48.887342][ T13] veth0_macvtap: left promiscuous mode [ 48.887461][ T13] veth1_vlan: left promiscuous mode [ 48.887559][ T13] veth0_vlan: left promiscuous mode [ 49.077645][ T13] team0 (unregistering): Port device team_slave_1 removed [ 49.083623][ T13] team0 (unregistering): Port device team_slave_0 removed [ 49.127411][ T5096] Bluetooth: hci0: command tx timeout [ 49.146724][ T5451] 8021q: adding VLAN 0 to HW filter on device eth2 [ 49.339351][ T5862] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 49.341843][ T5862] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 49.342413][ T5862] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 49.345048][ T5862] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 49.345988][ T5862] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 49.349759][ T5862] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 49.350513][ T5862] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 49.355264][ T5862] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 49.416013][ T5862] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.593691][ T5862] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.596654][ T225] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.596718][ T225] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.601820][ T55] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.601870][ T55] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.870870][ T5862] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.905470][ T5862] veth0_vlan: entered promiscuous mode [ 49.911711][ T5862] veth1_vlan: entered promiscuous mode [ 49.933927][ T5862] veth0_macvtap: entered promiscuous mode [ 49.938902][ T5862] veth1_macvtap: entered promiscuous mode [ 49.950830][ T5862] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.955184][ T5862] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 50.006530][ T5755] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.007160][ T70] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.007175][ T70] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.020451][ T70] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.020468][ T70] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.026711][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.026746][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.026772][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.064426][ T5921] ** replaying previous printk message ** [ 50.064426][ T5921] LUN: removable file: (no medium) [ 50.067053][ T5921] [ 50.070703][ T5921] ============================================ [ 50.072681][ T5921] WARNING: possible recursive locking detected [ 50.074625][ T5921] syzkaller #0 Not tainted [ 50.076018][ T5921] -------------------------------------------- [ 50.077862][ T5921] syz.0.17/5921 is trying to acquire lock: [ 50.079770][ T5921] ffff888022716460 (sb_writers#12){.+.+}-{0:0}, at: lookup_open+0x150/0x1990 [ 50.083347][ T5921] [ 50.083347][ T5921] but task is already holding lock: [ 50.086412][ T5921] ffff888022716460 (sb_writers#12){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 [ 50.089969][ T5921] [ 50.089969][ T5921] other info that might help us debug this: [ 50.093289][ T5921] Possible unsafe locking scenario: [ 50.093289][ T5921] [ 50.096375][ T5921] CPU0 [ 50.097794][ T5921] ---- [ 50.099223][ T5921] lock(sb_writers#12); [ 50.101020][ T5921] lock(sb_writers#12); [ 50.102915][ T5921] [ 50.102915][ T5921] *** DEADLOCK *** [ 50.102915][ T5921] [ 50.105617][ T5921] May be due to missing lock nesting notation [ 50.105617][ T5921] [ 50.108255][ T5921] locks held by syz.0.17/5921: 4, last CPU#1: [ 50.110195][ T5921] #0: ffff888022716460 (sb_writers#12){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 [ 50.113474][ T5921] #1: ffff88802a22f280 (&buffer->mutex){+.+.}-{4:4}, at: configfs_write_iter+0x76/0x4e0 [ 50.116747][ T5921] #2: ffff888023773970 (&p->frag_sem){.+.+}-{4:4}, at: configfs_write_iter+0x218/0x4e0 [ 50.120103][ T5921] #3: ffff888024051120 (&common->filesem){+.+.}-{4:4}, at: fsg_store_file+0x193/0x450 [ 50.124098][ T5921] [ 50.124098][ T5921] stack backtrace: [ 50.126599][ T5921] CPU: 1 UID: 0 PID: 5921 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 50.130369][ T5921] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 50.134493][ T5921] Call Trace: [ 50.135861][ T5921] [ 50.137114][ T5921] dump_stack_lvl+0x100/0x190 [ 50.139122][ T5921] print_deadlock_bug.cold+0xbd/0xca [ 50.141362][ T5921] __lock_acquire+0x13f4/0x1f40 [ 50.143445][ T5921] lock_acquire+0x1d1/0x380 [ 50.145376][ T5921] ? lookup_open+0x150/0x1990 [ 50.147312][ T5921] ? __pfx___might_resched+0x10/0x10 [ 50.149439][ T5921] ? find_held_lock+0x2b/0x80 [ 50.151385][ T5921] mnt_want_write+0x6f/0x420 [ 50.153011][ T5921] ? lookup_open+0x150/0x1990 [ 50.154549][ T5921] lookup_open+0x150/0x1990 [ 50.156007][ T5921] path_openat+0xa2c/0x2440 [ 50.157588][ T5921] ? __pfx_path_openat+0x10/0x10 [ 50.159183][ T5921] ? kasan_save_stack+0x3f/0x50 [ 50.160816][ T5921] ? kasan_save_stack+0x30/0x50 [ 50.162702][ T5921] ? kasan_save_track+0x14/0x30 [ 50.164743][ T5921] ? __kasan_slab_alloc+0x89/0x90 [ 50.166687][ T5921] ? kmem_cache_alloc_noprof+0x269/0x6a0 [ 50.168990][ T5921] ? do_getname_kernel+0x5d/0x250 [ 50.170960][ T5921] ? filp_open+0x1d/0x50 [ 50.172609][ T5921] do_file_open+0x20e/0x430 [ 50.174108][ T5921] ? __pfx_do_file_open+0x10/0x10 [ 50.175778][ T5921] file_open_name+0x1c3/0x3e0 [ 50.177327][ T5921] ? __pfx_file_open_name+0x10/0x10 [ 50.179007][ T5921] ? do_getname_kernel+0x5d/0x250 [ 50.180655][ T5921] ? __asan_memcpy+0x3c/0x60 [ 50.182273][ T5921] ? do_getname_kernel+0x1be/0x250 [ 50.184013][ T5921] filp_open+0x2e/0x50 [ 50.185347][ T5921] fsg_lun_open+0x6b/0x7b0 [ 50.186865][ T5921] ? __pfx_down_read+0x10/0x10 [ 50.188423][ T5921] ? __kmalloc_cache_noprof+0x2f8/0x6d0 [ 50.190204][ T5921] fsg_store_file+0x1e7/0x450 [ 50.191804][ T5921] configfs_write_iter+0x302/0x4e0 [ 50.193471][ T5921] vfs_write+0x6af/0x1050 [ 50.194891][ T5921] ? __pfx_configfs_write_iter+0x10/0x10 [ 50.196675][ T5921] ? __pfx_vfs_write+0x10/0x10 [ 50.198230][ T5921] ? __ia32_sys_futex_time32+0x2f4/0x470 [ 50.200017][ T5921] ? __ia32_sys_futex_time32+0x2fd/0x470 [ 50.201811][ T5921] ksys_write+0x12a/0x250 [ 50.203185][ T5921] ? __pfx_ksys_write+0x10/0x10 [ 50.204737][ T5921] __do_fast_syscall_32+0x13a/0x8b0 [ 50.206372][ T5921] do_fast_syscall_32+0x32/0x70 [ 50.207921][ T5921] entry_SYSENTER_compat_after_hwframe+0x84/0x8e [ 50.209846][ T5921] RIP: 0023:0xf701efec [ 50.211171][ T5921] Code: Unable to access opcode bytes at 0xf701efc2. [ 50.213399][ T5921] RSP: 002b:00000000ff91c89c EFLAGS: 00000292 ORIG_RAX: 0000000000000004 [ 50.215975][ T5921] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000800003c0 [ 50.218441][ T5921] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000000 [ 50.220977][ T5921] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 50.223850][ T5921] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 50.227066][ T5921] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 50.230228][ T5921] [ 50.232686][ T5921] mass_storage.0/lun.0: unable to open backing file: file0 [ 52.132139][ T13] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.699993][ T13] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.760418][ T13] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.801743][ T13] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.877243][ T13] bridge_slave_1: left allmulticast mode [ 53.877256][ T13] bridge_slave_1: left promiscuous mode [ 53.877326][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.879999][ T13] bridge_slave_0: left allmulticast mode [ 53.880013][ T13] bridge_slave_0: left promiscuous mode [ 53.880113][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.933328][ T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 53.934890][ T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 53.935643][ T13] bond0 (unregistering): Released all slaves [ 54.069049][ T5451] 8021q: adding VLAN 0 to HW filter on device eth2 [ 54.183008][ T5451] 8021q: adding VLAN 0 to HW filter on device eth3 [ 54.213653][ T13] hsr_slave_0: left promiscuous mode [ 54.213936][ T13] hsr_slave_1: left promiscuous mode [ 54.214150][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 54.214159][ T13] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 54.214466][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 54.214474][ T13] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 54.215971][ T13] veth1_macvtap: left promiscuous mode [ 54.215991][ T13] veth0_macvtap: left promiscuous mode [ 54.216018][ T13] veth1_vlan: left promiscuous mode [ 54.216044][ T13] veth0_vlan: left promiscuous mode [ 54.273576][ T13] team0 (unregistering): Port device team_slave_1 removed [ 54.275610][ T13] team0 (unregistering): Port device team_slave_0 removed [ 54.310341][ T5451] 8021q: adding VLAN 0 to HW filter on device eth5 [ 54.412337][ T5451] 8021q: adding VLAN 0 to HW filter on device eth4