[ 72.641943][ T165] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.710509][ T165] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.752490][ T165] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.374537][ T165] device hsr_slave_0 left promiscuous mode [ 73.381551][ T165] device hsr_slave_1 left promiscuous mode [ 73.388225][ T165] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 73.396156][ T165] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 73.405281][ T165] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 73.412734][ T165] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 73.420814][ T165] device bridge_slave_1 left promiscuous mode [ 73.428022][ T165] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.441786][ T165] device bridge_slave_0 left promiscuous mode [ 73.448210][ T165] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.466945][ T165] device veth1_macvtap left promiscuous mode [ 73.473406][ T165] device veth0_macvtap left promiscuous mode [ 73.480021][ T165] device veth1_vlan left promiscuous mode [ 73.487004][ T165] device veth0_vlan left promiscuous mode [ 73.638955][ T165] team0 (unregistering): Port device team_slave_1 removed [ 73.652182][ T165] team0 (unregistering): Port device team_slave_0 removed [ 73.665307][ T165] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 73.682844][ T165] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 73.740521][ T165] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.0.217' (ED25519) to the list of known hosts. 2026/08/21 10:43:00 ignoring optional flag "type"="gce" 2026/08/21 10:43:00 parsed 1 programs 2026/08/21 10:43:02 executed programs: 0 [ 79.053337][ T4388] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 79.215550][ T4397] chnl_net:caif_netlink_parms(): no params data found [ 79.260192][ T4397] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.267636][ T4397] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.276320][ T4397] device bridge_slave_0 entered promiscuous mode [ 79.284442][ T4397] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.292058][ T4397] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.300423][ T4397] device bridge_slave_1 entered promiscuous mode [ 79.322626][ T4397] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.333659][ T4397] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.357538][ T4397] team0: Port device team_slave_0 added [ 79.365907][ T4397] team0: Port device team_slave_1 added [ 79.385366][ T4397] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 79.392953][ T4397] 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. [ 79.419336][ T4397] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 79.432149][ T4397] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 79.439327][ T4397] 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. [ 79.465593][ T4397] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 79.499402][ T4397] device hsr_slave_0 entered promiscuous mode [ 79.506521][ T4397] device hsr_slave_1 entered promiscuous mode [ 79.998551][ T4397] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 80.010504][ T4397] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 80.021281][ T4397] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 80.031653][ T4397] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 80.058256][ T4397] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.065440][ T4397] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.072851][ T4397] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.080213][ T4397] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.136515][ T4397] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.152063][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.160742][ T165] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.169429][ T165] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.178173][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 80.195657][ T4397] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.207512][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 80.217188][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.226229][ T165] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.233551][ T165] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.247424][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 80.257425][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.266205][ T165] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.273329][ T165] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.304800][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 80.315138][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 80.324124][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 80.338272][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.353419][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 80.362750][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.372387][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.385222][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 80.393832][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.405386][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 80.414697][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.426965][ T4397] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.567307][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 80.574843][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 80.587221][ T4397] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.609799][ T1226] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 80.619129][ T1226] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 80.642307][ T1226] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 80.652624][ T1226] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 80.664803][ T4397] device veth0_vlan entered promiscuous mode [ 80.673238][ T1226] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 80.682986][ T1226] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 80.700258][ T4397] device veth1_vlan entered promiscuous mode [ 80.724790][ T1226] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 80.734234][ T1226] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 80.745079][ T1226] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 80.753874][ T1226] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 80.766846][ T4397] device veth0_macvtap entered promiscuous mode [ 80.779277][ T4397] device veth1_macvtap entered promiscuous mode [ 80.797230][ T4397] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 80.805189][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 80.813373][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 80.823394][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 80.832863][ T165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 80.846673][ T4397] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 80.854324][ T1226] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 80.864508][ T1226] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 80.877849][ T4397] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.887381][ T4397] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.896553][ T4397] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.906036][ T4397] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.040242][ T4459] loop0: detected capacity change from 0 to 4096 [ 81.165926][ T4214] Bluetooth: hci0: command 0x0409 tx timeout [ 81.173531][ T4459] [ 81.175919][ T4459] ====================================================== [ 81.182958][ T4459] WARNING: possible circular locking dependency detected [ 81.190206][ T4459] syzkaller #0 Not tainted [ 81.194678][ T4459] ------------------------------------------------------ [ 81.201733][ T4459] syz-executor.0/4459 is trying to acquire lock: [ 81.208091][ T4459] ffff88801e694e28 (&mm->mmap_lock){++++}-{3:3}, at: __might_fault+0x90/0x110 [ 81.217198][ T4459] [ 81.217198][ T4459] but task is already holding lock: [ 81.224606][ T4459] ffff88806eeef050 (&ni->file.run_lock#3){++++}-{3:3}, at: ni_fiemap+0x57f/0xc50 [ 81.233791][ T4459] [ 81.233791][ T4459] which lock already depends on the new lock. [ 81.233791][ T4459] [ 81.244447][ T4459] [ 81.244447][ T4459] the existing dependency chain (in reverse order) is: [ 81.253586][ T4459] [ 81.253586][ T4459] -> #1 (&ni->file.run_lock#3){++++}-{3:3}: [ 81.261722][ T4459] down_read+0x44/0x2e0 [ 81.266540][ T4459] attr_data_get_block+0x14a/0x1a10 [ 81.272299][ T4459] ntfs_file_mmap+0x449/0x730 [ 81.277624][ T4459] mmap_file+0x5d/0xb0 [ 81.282252][ T4459] mmap_region+0x1048/0x1730 [ 81.287500][ T4459] do_mmap+0x801/0xe30 [ 81.292129][ T4459] vm_mmap_pgoff+0x1c1/0x2d0 [ 81.297280][ T4459] ksys_mmap_pgoff+0x4e2/0x790 [ 81.302689][ T4459] do_syscall_64+0x4c/0xa0 [ 81.307802][ T4459] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 81.314482][ T4459] [ 81.314482][ T4459] -> #0 (&mm->mmap_lock){++++}-{3:3}: [ 81.322424][ T4459] __lock_acquire+0x2c66/0x7b50 [ 81.327866][ T4459] lock_acquire+0x19e/0x400 [ 81.332946][ T4459] __might_fault+0xb3/0x110 [ 81.338011][ T4459] _copy_to_user+0x29/0x130 [ 81.343074][ T4459] fiemap_fill_next_extent+0x1ba/0x380 [ 81.349101][ T4459] ni_fiemap+0x90f/0xc50 [ 81.353997][ T4459] ntfs_fiemap+0xd7/0x130 [ 81.358892][ T4459] do_vfs_ioctl+0x1543/0x1f40 [ 81.364524][ T4459] __se_sys_ioctl+0x83/0x170 [ 81.369857][ T4459] do_syscall_64+0x4c/0xa0 [ 81.374870][ T4459] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 81.381321][ T4459] [ 81.381321][ T4459] other info that might help us debug this: [ 81.381321][ T4459] [ 81.391592][ T4459] Possible unsafe locking scenario: [ 81.391592][ T4459] [ 81.399069][ T4459] CPU0 CPU1 [ 81.404473][ T4459] ---- ---- [ 81.409868][ T4459] lock(&ni->file.run_lock#3); [ 81.414766][ T4459] lock(&mm->mmap_lock); [ 81.421910][ T4459] lock(&ni->file.run_lock#3); [ 81.429437][ T4459] lock(&mm->mmap_lock); [ 81.433799][ T4459] [ 81.433799][ T4459] *** DEADLOCK *** [ 81.433799][ T4459] [ 81.441994][ T4459] 2 locks held by syz-executor.0/4459: [ 81.447677][ T4459] #0: ffff88806eeeefa0 (&ni->ni_lock/5){+.+.}-{3:3}, at: ntfs_fiemap+0xc4/0x130 [ 81.456959][ T4459] #1: ffff88806eeef050 (&ni->file.run_lock#3){++++}-{3:3}, at: ni_fiemap+0x57f/0xc50 [ 81.466609][ T4459] [ 81.466609][ T4459] stack backtrace: [ 81.472713][ T4459] CPU: 0 PID: 4459 Comm: syz-executor.0 Not tainted syzkaller #0 [ 81.480552][ T4459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 81.490767][ T4459] Call Trace: [ 81.494104][ T4459] [ 81.497150][ T4459] dump_stack_lvl+0x188/0x250 [ 81.501875][ T4459] ? load_image+0x410/0x410 [ 81.506442][ T4459] ? show_regs_print_info+0x20/0x20 [ 81.512053][ T4459] ? print_circular_bug+0x12b/0x1a0 [ 81.517421][ T4459] check_noncircular+0x296/0x330 [ 81.522433][ T4459] ? lock_chain_count+0x20/0x20 [ 81.527328][ T4459] ? add_chain_block+0x9b0/0x9b0 [ 81.532299][ T4459] ? lockdep_lock+0xf1/0x1f0 [ 81.536933][ T4459] ? mark_lock+0x94/0x320 [ 81.541318][ T4459] ? _find_first_zero_bit+0xd1/0xf0 [ 81.546554][ T4459] __lock_acquire+0x2c66/0x7b50 [ 81.551448][ T4459] ? add_chain_block+0x9b0/0x9b0 [ 81.556425][ T4459] ? verify_lock_unused+0x140/0x140 [ 81.561663][ T4459] ? mark_lock+0x94/0x320 [ 81.566023][ T4459] ? __lock_acquire+0x13dc/0x7b50 [ 81.571096][ T4459] ? __bread_gfp+0x132/0x380 [ 81.575718][ T4459] lock_acquire+0x19e/0x400 [ 81.580284][ T4459] ? __might_fault+0x90/0x110 [ 81.585268][ T4459] ? read_lock_is_recursive+0x10/0x10 [ 81.590712][ T4459] ? __up_read+0x2b4/0x6b0 [ 81.595258][ T4459] ? up_read+0x20/0x20 [ 81.599365][ T4459] __might_fault+0xb3/0x110 [ 81.603993][ T4459] ? __might_fault+0x90/0x110 [ 81.608714][ T4459] _copy_to_user+0x29/0x130 [ 81.613257][ T4459] fiemap_fill_next_extent+0x1ba/0x380 [ 81.619058][ T4459] ? vfs_ioctl+0xb0/0xb0 [ 81.623504][ T4459] ? run_lookup_entry+0x3c8/0x560 [ 81.628597][ T4459] ni_fiemap+0x90f/0xc50 [ 81.632887][ T4459] ? ni_parse_reparse+0x6a0/0x6a0 [ 81.637958][ T4459] ? fiemap_prep+0x1be/0x240 [ 81.642686][ T4459] ntfs_fiemap+0xd7/0x130 [ 81.647055][ T4459] ? ntfs_file_open+0x210/0x210 [ 81.651964][ T4459] ? __might_fault+0xb3/0x110 [ 81.656774][ T4459] ? _copy_from_user+0x111/0x170 [ 81.661841][ T4459] do_vfs_ioctl+0x1543/0x1f40 [ 81.666553][ T4459] ? __ia32_compat_sys_ioctl+0x910/0x910 [ 81.672251][ T4459] ? rcu_lock_release+0x5/0x20 [ 81.677225][ T4459] ? __lock_acquire+0x7b50/0x7b50 [ 81.682288][ T4459] ? kfree+0xef/0x2a0 [ 81.686392][ T4459] ? tomoyo_path_number_perm+0x5f7/0x6b0 [ 81.692282][ T4459] ? tomoyo_check_path_acl+0x1c0/0x1c0 [ 81.697923][ T4459] ? bpf_lsm_file_ioctl+0x5/0x10 [ 81.703172][ T4459] ? security_file_ioctl+0x7c/0xa0 [ 81.708324][ T4459] __se_sys_ioctl+0x83/0x170 [ 81.712954][ T4459] do_syscall_64+0x4c/0xa0 [ 81.717409][ T4459] ? clear_bhb_loop+0x30/0x80 [ 81.722121][ T4459] ? clear_bhb_loop+0x30/0x80 [ 81.726885][ T4459] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 81.732833][ T4459] RIP: 0033:0x7fd781cc6079 [ 81.737285][ T4459] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 d0 ff ff ff f7 d8 64 89 01 48 [ 81.756933][ T4459] RSP: 002b:00007fd7810570b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 81.765652][ T4459] RAX: ffffffffffffffda RBX: 00007fd781e04f80 RCX: 00007fd781cc6079 [ 81.773664][ T4459] RDX: 0000000020000280 RSI: 00000000c020660b RDI: 0000000000000006 [ 81.781678][ T4459] RBP: 00007fd781d27498 R08: 0000000000000000 R09: 0000000000000000 [ 81.789687][ T4459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 81.797701][ T4459] R13: 000000000000000b R14: 00007fd781e04f80 R15: 00007ffd021723c8 [ 81.805720][ T4459] [ 81.917282][ T4487] loop0: detected capacity change from 0 to 4096 [ 82.034430][ T4494] loop0: detected capacity change from 0 to 4096 [ 82.144220][ T4503] loop0: detected capacity change from 0 to 4096 [ 82.247983][ T4508] loop0: detected capacity change from 0 to 4096 [ 82.354300][ T4515] loop0: detected capacity change from 0 to 4096 [ 82.447702][ T4521] loop0: detected capacity change from 0 to 4096 [ 82.586016][ T4529] loop0: detected capacity change from 0 to 4096 [ 82.873222][ T4551] loop0: detected capacity change from 0 to 4096 [ 82.986087][ T4556] loop0: detected capacity change from 0 to 4096 [ 83.255049][ T4213] Bluetooth: hci0: command 0x041b tx timeout 2026/08/21 10:43:07 executed programs: 20 [ 85.325149][ T4213] Bluetooth: hci0: command 0x040f tx timeout [ 86.096916][ T4730] set_capacity_and_notify: 28 callbacks suppressed [ 86.096932][ T4730] loop0: detected capacity change from 0 to 4096 [ 86.186341][ T4732] loop0: detected capacity change from 0 to 4096 [ 86.256285][ T4734] loop0: detected capacity change from 0 to 4096 [ 86.326470][ T4736] loop0: detected capacity change from 0 to 4096 [ 86.452896][ T4738] loop0: detected capacity change from 0 to 4096 [ 86.536985][ T4740] loop0: detected capacity change from 0 to 4096 [ 86.617130][ T4742] loop0: detected capacity change from 0 to 4096 [ 86.706534][ T4744] loop0: detected capacity change from 0 to 4096 [ 86.765615][ T1108] cfg80211: failed to load regulatory.db [ 86.783043][ T4746] loop0: detected capacity change from 0 to 4096 [ 86.952989][ T4748] loop0: detected capacity change from 0 to 4096 [ 87.405546][ T1108] Bluetooth: hci0: command 0x0419 tx timeout 2026/08/21 10:43:12 executed programs: 75