Warning: Permanently added '10.128.1.167' (ED25519) to the list of known hosts. 2025/11/24 09:50:17 parsed 1 programs [ 73.162617][ T5790] cgroup: Unknown subsys name 'net' [ 73.328231][ T5790] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 74.932329][ T5790] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 76.681004][ T49] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.689347][ T49] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.720429][ T68] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.728706][ T68] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.205705][ T5830] chnl_net:caif_netlink_parms(): no params data found [ 78.276202][ T5830] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.283585][ T5830] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.291102][ T5830] bridge_slave_0: entered allmulticast mode [ 78.298179][ T5830] bridge_slave_0: entered promiscuous mode [ 78.306445][ T5830] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.313969][ T5830] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.322253][ T5830] bridge_slave_1: entered allmulticast mode [ 78.329106][ T5830] bridge_slave_1: entered promiscuous mode [ 78.361765][ T5830] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.373708][ T5830] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.406903][ T5830] team0: Port device team_slave_0 added [ 78.415787][ T5830] team0: Port device team_slave_1 added [ 78.443739][ T5830] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.450719][ T5830] 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. [ 78.477464][ T5830] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.490191][ T5830] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.497228][ T5830] 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. [ 78.524582][ T5830] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.577506][ T5830] hsr_slave_0: entered promiscuous mode [ 78.589510][ T5830] hsr_slave_1: entered promiscuous mode [ 78.717993][ T5830] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.738241][ T5830] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.748431][ T5830] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.759467][ T5830] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.800063][ T5830] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.807306][ T5830] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.815226][ T5830] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.822390][ T5830] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.895896][ T5830] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.914135][ T1085] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.922415][ T1085] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.936563][ T5830] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.958036][ T1085] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.965303][ T1085] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.977844][ T68] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.984999][ T68] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.188889][ T5830] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.235364][ T5830] veth0_vlan: entered promiscuous mode [ 79.248127][ T5830] veth1_vlan: entered promiscuous mode [ 79.282547][ T5830] veth0_macvtap: entered promiscuous mode [ 79.292742][ T5830] veth1_macvtap: entered promiscuous mode [ 79.321127][ T5830] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.338111][ T5830] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.349395][ T5830] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.362910][ T5830] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.372040][ T5830] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.380844][ T5830] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.524440][ T68] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.672843][ T5860] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 79.682396][ T5860] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 79.690444][ T5860] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 79.699864][ T5860] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 79.708258][ T5860] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 79.715668][ T5860] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2025/11/24 09:50:27 executed programs: 0 [ 81.522387][ T5860] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 81.530143][ T5860] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 81.538540][ T5860] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 81.548544][ T5860] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 81.556425][ T5860] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 81.564104][ T5860] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 81.747491][ T5900] chnl_net:caif_netlink_parms(): no params data found [ 81.836199][ T5900] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.843593][ T5900] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.850861][ T5900] bridge_slave_0: entered allmulticast mode [ 81.858044][ T5900] bridge_slave_0: entered promiscuous mode [ 81.868229][ T5900] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.875661][ T5900] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.882865][ T5900] bridge_slave_1: entered allmulticast mode [ 81.889990][ T5900] bridge_slave_1: entered promiscuous mode [ 81.929360][ T5900] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.941559][ T5900] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.983435][ T5900] team0: Port device team_slave_0 added [ 81.991972][ T5900] team0: Port device team_slave_1 added [ 82.024790][ T5900] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 82.031895][ T5900] 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. [ 82.062850][ T5900] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 82.085991][ T68] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 82.099806][ T5900] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 82.106975][ T5900] 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. [ 82.132958][ T5900] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 82.176827][ T5900] hsr_slave_0: entered promiscuous mode [ 82.183432][ T5900] hsr_slave_1: entered promiscuous mode [ 82.189531][ T5900] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 82.197440][ T5900] Cannot create hsr debugfs directory [ 83.621746][ T5860] Bluetooth: hci0: command tx timeout [ 84.362395][ T68] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.443347][ T68] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 85.369782][ T68] hsr_slave_0: left promiscuous mode [ 85.375851][ T68] hsr_slave_1: left promiscuous mode [ 85.382318][ T68] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 85.389736][ T68] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 85.397806][ T68] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 85.405250][ T68] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 85.413236][ T68] bridge_slave_1: left allmulticast mode [ 85.418870][ T68] bridge_slave_1: left promiscuous mode [ 85.425071][ T68] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.435720][ T68] bridge_slave_0: left allmulticast mode [ 85.442120][ T68] bridge_slave_0: left promiscuous mode [ 85.447808][ T68] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.468768][ T68] veth1_macvtap: left promiscuous mode [ 85.474822][ T68] veth0_macvtap: left promiscuous mode [ 85.480407][ T68] veth1_vlan: left promiscuous mode [ 85.486032][ T68] veth0_vlan: left promiscuous mode [ 85.703852][ T5860] Bluetooth: hci0: command tx timeout [ 85.811174][ T68] team0 (unregistering): Port device team_slave_1 removed [ 85.838597][ T68] team0 (unregistering): Port device team_slave_0 removed [ 85.867178][ T68] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 85.896072][ T68] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 86.144881][ T68] bond0 (unregistering): Released all slaves [ 86.234225][ T5900] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 86.244455][ T5900] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 86.255346][ T5900] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 86.265599][ T5900] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 86.353269][ T5900] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.374005][ T5900] 8021q: adding VLAN 0 to HW filter on device team0 [ 86.395892][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.403143][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 86.413113][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.420222][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 86.605390][ T5900] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 86.659023][ T5900] veth0_vlan: entered promiscuous mode [ 86.683168][ T5900] veth1_vlan: entered promiscuous mode [ 86.718125][ T5900] veth0_macvtap: entered promiscuous mode [ 86.728924][ T5900] veth1_macvtap: entered promiscuous mode [ 86.761951][ T5900] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 86.761966][ T27] cfg80211: failed to load regulatory.db [ 86.780677][ T5900] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 86.792848][ T5900] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.806219][ T5900] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.816016][ T5900] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.825796][ T5900] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.951781][ T1149] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.959916][ T1149] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/11/24 09:50:33 executed programs: 2 [ 86.998001][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 87.016440][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 87.370800][ T27] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 87.554645][ T27] usb 1-1: config 0 interface 0 altsetting 251 endpoint 0x9 has an invalid bInterval 0, changing to 4 [ 87.565907][ T27] usb 1-1: config 0 interface 0 has no altsetting 0 [ 87.574734][ T27] usb 1-1: New USB device found, idVendor=045e, idProduct=0283, bcdDevice=99.0b [ 87.583833][ T27] usb 1-1: New USB device strings: Mfr=1, Product=228, SerialNumber=2 [ 87.596116][ T27] usb 1-1: Product: syz [ 87.600313][ T27] usb 1-1: Manufacturer: syz [ 87.605335][ T27] usb 1-1: SerialNumber: syz [ 87.616528][ T27] usb 1-1: config 0 descriptor?? [ 87.640355][ T27] usb 1-1: selecting invalid altsetting 0 [ 87.781133][ T5860] Bluetooth: hci0: command tx timeout [ 87.841738][ T5947] ================================================================== [ 87.849831][ T5947] BUG: KASAN: slab-out-of-bounds in copy_to_urb+0x255/0x440 [ 87.857117][ T5947] Write of size 264 at addr ffff888072d73b00 by task syz.0.17/5947 [ 87.864994][ T5947] [ 87.867320][ T5947] CPU: 1 PID: 5947 Comm: syz.0.17 Not tainted syzkaller #0 [ 87.874512][ T5947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 87.884567][ T5947] Call Trace: [ 87.887853][ T5947] [ 87.890778][ T5947] dump_stack_lvl+0x16c/0x230 [ 87.895449][ T5947] ? read_lock_is_recursive+0x20/0x20 [ 87.900816][ T5947] ? show_regs_print_info+0x20/0x20 [ 87.906036][ T5947] ? load_image+0x3b0/0x3b0 [ 87.910534][ T5947] ? _raw_spin_lock_irqsave+0xb4/0xf0 [ 87.915909][ T5947] ? __virt_addr_valid+0x18c/0x540 [ 87.921043][ T5947] ? __virt_addr_valid+0x469/0x540 [ 87.926166][ T5947] print_report+0xac/0x220 [ 87.930578][ T5947] ? copy_to_urb+0x255/0x440 [ 87.935178][ T5947] kasan_report+0x117/0x150 [ 87.939685][ T5947] ? copy_to_urb+0x255/0x440 [ 87.944280][ T5947] kasan_check_range+0x288/0x290 [ 87.949219][ T5947] ? copy_to_urb+0x255/0x440 [ 87.953807][ T5947] __asan_memcpy+0x40/0x70 [ 87.958261][ T5947] copy_to_urb+0x255/0x440 [ 87.962693][ T5947] ? snd_usb_endpoint_next_packet_size+0x333/0x520 [ 87.969192][ T5947] prepare_playback_urb+0x932/0x1360 [ 87.974488][ T5947] ? start_endpoints+0x270/0x270 [ 87.979423][ T5947] ? __lock_acquire+0x7c80/0x7c80 [ 87.984446][ T5947] ? start_endpoints+0x270/0x270 [ 87.989381][ T5947] prepare_outbound_urb+0x372/0xc40 [ 87.994581][ T5947] ? verify_lock_unused+0x140/0x140 [ 87.999778][ T5947] ? __asan_memcpy+0x40/0x70 [ 88.004399][ T5947] ? snd_usb_queue_pending_output_urbs+0xd00/0xd00 [ 88.010905][ T5947] ? _copy_from_iter+0xe60/0x1290 [ 88.015945][ T5947] ? find_vmap_area+0xfc/0x110 [ 88.020726][ T5947] ? snd_usb_endpoint_start_quirk+0x1f7/0x310 [ 88.026814][ T5947] snd_usb_endpoint_start+0x4d9/0x1440 [ 88.032286][ T5947] ? snd_usb_endpoint_get_clock_rate+0x100/0x100 [ 88.038614][ T5947] ? do_raw_spin_lock+0x121/0x2c0 [ 88.043637][ T5947] start_endpoints+0xa1/0x270 [ 88.048314][ T5947] ? snd_usb_substream_playback_trigger+0x3ce/0x7a0 [ 88.054907][ T5947] snd_usb_substream_playback_trigger+0x3e0/0x7a0 [ 88.061332][ T5947] snd_pcm_do_start+0xb1/0x170 [ 88.066102][ T5947] snd_pcm_action+0xda/0x230 [ 88.070694][ T5947] __snd_pcm_lib_xfer+0x16fa/0x1c40 [ 88.075889][ T5947] ? __snd_pcm_lib_xfer+0x1c40/0x1c40 [ 88.081259][ T5947] ? fill_silence+0x240/0x240 [ 88.085947][ T5947] ? __mutex_unlock_slowpath+0x1a2/0x6a0 [ 88.091594][ T5947] ? resample_expand+0x7e4/0x860 [ 88.096560][ T5947] ? pcm_lib_apply_appl_ptr+0x510/0x510 [ 88.102133][ T5947] snd_pcm_oss_write3+0x1bc/0x320 [ 88.107160][ T5947] snd_pcm_plug_write_transfer+0x2b8/0x4a0 [ 88.112965][ T5947] ? __lock_acquire+0x7c80/0x7c80 [ 88.117990][ T5947] ? snd_pcm_plug_client_channels_buf+0x610/0x610 [ 88.124401][ T5947] ? snd_pcm_plug_client_channels_buf+0x46a/0x610 [ 88.130824][ T5947] snd_pcm_oss_write+0xbb5/0x1120 [ 88.135855][ T5947] ? snd_pcm_oss_read+0x8c0/0x8c0 [ 88.140872][ T5947] ? common_file_perm+0x198/0x1f0 [ 88.145896][ T5947] ? fsnotify_perm+0x5d/0x5e0 [ 88.150578][ T5947] ? security_file_permission+0x79/0xa0 [ 88.156131][ T5947] ? snd_pcm_oss_read+0x8c0/0x8c0 [ 88.161149][ T5947] vfs_write+0x288/0x940 [ 88.165398][ T5947] ? file_end_write+0x250/0x250 [ 88.170246][ T5947] ? __ia32_sys_get_robust_list+0x90/0x90 [ 88.175960][ T5947] ? __fdget_pos+0x1d8/0x330 [ 88.180571][ T5947] ksys_write+0x147/0x250 [ 88.184911][ T5947] ? __ia32_sys_read+0x90/0x90 [ 88.189680][ T5947] ? lockdep_hardirqs_on+0x98/0x150 [ 88.194871][ T5947] do_syscall_64+0x55/0xb0 [ 88.199290][ T5947] ? clear_bhb_loop+0x40/0x90 [ 88.203981][ T5947] ? clear_bhb_loop+0x40/0x90 [ 88.208672][ T5947] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 88.214562][ T5947] RIP: 0033:0x7f8b97d8f749 [ 88.218987][ T5947] 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 [ 88.238585][ T5947] RSP: 002b:00007ffeb0c35718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.246993][ T5947] RAX: ffffffffffffffda RBX: 00007f8b97fe5fa0 RCX: 00007f8b97d8f749 [ 88.254966][ T5947] RDX: 00000000000005ce RSI: 0000200000000640 RDI: 0000000000000004 [ 88.262938][ T5947] RBP: 00007f8b97e13f91 R08: 0000000000000000 R09: 0000000000000000 [ 88.270904][ T5947] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 88.278956][ T5947] R13: 00007f8b97fe5fa0 R14: 00007f8b97fe5fa0 R15: 0000000000000003 [ 88.287019][ T5947] [ 88.290037][ T5947] [ 88.292360][ T5947] Allocated by task 5947: [ 88.296675][ T5947] kasan_set_track+0x4e/0x70 [ 88.301264][ T5947] __kasan_kmalloc+0x8f/0xa0 [ 88.305852][ T5947] __kmalloc+0xb4/0x240 [ 88.310010][ T5947] snd_usb_endpoint_set_params+0x1575/0x28e0 [ 88.315988][ T5947] snd_usb_hw_params+0x123e/0x19c0 [ 88.321107][ T5947] snd_pcm_hw_params+0x835/0x1c50 [ 88.326142][ T5947] snd_pcm_oss_change_params_locked+0x2144/0x3d30 [ 88.332552][ T5947] snd_pcm_oss_write+0x2ff/0x1120 [ 88.337570][ T5947] vfs_write+0x288/0x940 [ 88.341811][ T5947] ksys_write+0x147/0x250 [ 88.346147][ T5947] do_syscall_64+0x55/0xb0 [ 88.350571][ T5947] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 88.356460][ T5947] [ 88.358776][ T5947] The buggy address belongs to the object at ffff888072d73b00 [ 88.358776][ T5947] which belongs to the cache kmalloc-128 of size 128 [ 88.372823][ T5947] The buggy address is located 0 bytes inside of [ 88.372823][ T5947] allocated 120-byte region [ffff888072d73b00, ffff888072d73b78) [ 88.386782][ T5947] [ 88.389103][ T5947] The buggy address belongs to the physical page: [ 88.395515][ T5947] page:ffffea0001cb5cc0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x72d73 [ 88.405668][ T5947] flags: 0xfff00000000800(slab|node=0|zone=1|lastcpupid=0x7ff) [ 88.413208][ T5947] page_type: 0xffffffff() [ 88.417531][ T5947] raw: 00fff00000000800 ffff8880178418c0 dead000000000122 0000000000000000 [ 88.426129][ T5947] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 88.434708][ T5947] page dumped because: kasan: bad access detected [ 88.441129][ T5947] page_owner tracks the page as allocated [ 88.446832][ T5947] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 5908, tgid 5908 (udevd), ts 87750353367, free_ts 87746794222 [ 88.464443][ T5947] post_alloc_hook+0x1cd/0x210 [ 88.469211][ T5947] get_page_from_freelist+0x195c/0x19f0 [ 88.474762][ T5947] __alloc_pages+0x1e3/0x460 [ 88.479360][ T5947] alloc_slab_page+0x5d/0x170 [ 88.484039][ T5947] new_slab+0x87/0x2e0 [ 88.488110][ T5947] ___slab_alloc+0xc6d/0x1300 [ 88.492787][ T5947] __kmem_cache_alloc_node+0x1a2/0x260 [ 88.498245][ T5947] kmalloc_trace+0x2a/0xe0 [ 88.502664][ T5947] kernfs_fop_open+0x7d7/0xcc0 [ 88.507427][ T5947] do_dentry_open+0x8c6/0x1500 [ 88.512195][ T5947] path_openat+0x274b/0x3190 [ 88.516788][ T5947] do_filp_open+0x1c5/0x3d0 [ 88.521298][ T5947] do_sys_openat2+0x12c/0x1c0 [ 88.525979][ T5947] __x64_sys_openat+0x139/0x160 [ 88.530825][ T5947] do_syscall_64+0x55/0xb0 [ 88.535242][ T5947] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 88.541138][ T5947] page last free stack trace: [ 88.545808][ T5947] free_unref_page_prepare+0x7ce/0x8e0 [ 88.551274][ T5947] free_unref_page+0x32/0x2e0 [ 88.555952][ T5947] __unfreeze_partials+0x1cf/0x210 [ 88.561066][ T5947] put_cpu_partial+0x17c/0x250 [ 88.565833][ T5947] __slab_free+0x31d/0x410 [ 88.570247][ T5947] qlist_free_all+0x75/0xe0 [ 88.574748][ T5947] kasan_quarantine_reduce+0x143/0x160 [ 88.580206][ T5947] __kasan_slab_alloc+0x22/0x80 [ 88.585064][ T5947] slab_post_alloc_hook+0x6e/0x4d0 [ 88.590185][ T5947] kmem_cache_alloc+0x11e/0x2e0 [ 88.595041][ T5947] getname_flags+0xbb/0x500 [ 88.599549][ T5947] do_sys_openat2+0xcb/0x1c0 [ 88.604141][ T5947] __x64_sys_openat+0x139/0x160 [ 88.608992][ T5947] do_syscall_64+0x55/0xb0 [ 88.613408][ T5947] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 88.619300][ T5947] [ 88.621618][ T5947] Memory state around the buggy address: [ 88.627244][ T5947] ffff888072d73a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 88.635317][ T5947] ffff888072d73a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 88.643375][ T5947] >ffff888072d73b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 88.651427][ T5947] ^ [ 88.659391][ T5947] ffff888072d73b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 88.667443][ T5947] ffff888072d73c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 88.675491][ T5947] ================================================================== [ 88.683550][ T5947] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 88.690730][ T5947] CPU: 1 PID: 5947 Comm: syz.0.17 Not tainted syzkaller #0 [ 88.697915][ T5947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 88.707960][ T5947] Call Trace: [ 88.711241][ T5947] [ 88.714172][ T5947] dump_stack_lvl+0x16c/0x230 [ 88.718855][ T5947] ? show_regs_print_info+0x20/0x20 [ 88.724051][ T5947] ? load_image+0x3b0/0x3b0 [ 88.728552][ T5947] panic+0x2c0/0x710 [ 88.732439][ T5947] ? __lock_acquire+0x7c80/0x7c80 [ 88.737458][ T5947] ? bpf_jit_dump+0xd0/0xd0 [ 88.741959][ T5947] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 88.747851][ T5947] ? _raw_spin_unlock+0x40/0x40 [ 88.752696][ T5947] ? copy_to_urb+0x255/0x440 [ 88.757325][ T5947] check_panic_on_warn+0x84/0xa0 [ 88.762273][ T5947] ? copy_to_urb+0x255/0x440 [ 88.766862][ T5947] end_report+0x6f/0x140 [ 88.771108][ T5947] kasan_report+0x128/0x150 [ 88.775611][ T5947] ? copy_to_urb+0x255/0x440 [ 88.780202][ T5947] kasan_check_range+0x288/0x290 [ 88.785135][ T5947] ? copy_to_urb+0x255/0x440 [ 88.789736][ T5947] __asan_memcpy+0x40/0x70 [ 88.794151][ T5947] copy_to_urb+0x255/0x440 [ 88.798567][ T5947] ? snd_usb_endpoint_next_packet_size+0x333/0x520 [ 88.805066][ T5947] prepare_playback_urb+0x932/0x1360 [ 88.810364][ T5947] ? start_endpoints+0x270/0x270 [ 88.815299][ T5947] ? __lock_acquire+0x7c80/0x7c80 [ 88.820332][ T5947] ? start_endpoints+0x270/0x270 [ 88.825268][ T5947] prepare_outbound_urb+0x372/0xc40 [ 88.830463][ T5947] ? verify_lock_unused+0x140/0x140 [ 88.835663][ T5947] ? __asan_memcpy+0x40/0x70 [ 88.840247][ T5947] ? snd_usb_queue_pending_output_urbs+0xd00/0xd00 [ 88.846772][ T5947] ? _copy_from_iter+0xe60/0x1290 [ 88.851800][ T5947] ? find_vmap_area+0xfc/0x110 [ 88.856565][ T5947] ? snd_usb_endpoint_start_quirk+0x1f7/0x310 [ 88.862632][ T5947] snd_usb_endpoint_start+0x4d9/0x1440 [ 88.868093][ T5947] ? snd_usb_endpoint_get_clock_rate+0x100/0x100 [ 88.874423][ T5947] ? do_raw_spin_lock+0x121/0x2c0 [ 88.879444][ T5947] start_endpoints+0xa1/0x270 [ 88.884117][ T5947] ? snd_usb_substream_playback_trigger+0x3ce/0x7a0 [ 88.890708][ T5947] snd_usb_substream_playback_trigger+0x3e0/0x7a0 [ 88.897133][ T5947] snd_pcm_do_start+0xb1/0x170 [ 88.901907][ T5947] snd_pcm_action+0xda/0x230 [ 88.906497][ T5947] __snd_pcm_lib_xfer+0x16fa/0x1c40 [ 88.911694][ T5947] ? __snd_pcm_lib_xfer+0x1c40/0x1c40 [ 88.917067][ T5947] ? fill_silence+0x240/0x240 [ 88.921740][ T5947] ? __mutex_unlock_slowpath+0x1a2/0x6a0 [ 88.927375][ T5947] ? resample_expand+0x7e4/0x860 [ 88.932306][ T5947] ? pcm_lib_apply_appl_ptr+0x510/0x510 [ 88.937852][ T5947] snd_pcm_oss_write3+0x1bc/0x320 [ 88.942870][ T5947] snd_pcm_plug_write_transfer+0x2b8/0x4a0 [ 88.948675][ T5947] ? __lock_acquire+0x7c80/0x7c80 [ 88.953697][ T5947] ? snd_pcm_plug_client_channels_buf+0x610/0x610 [ 88.960113][ T5947] ? snd_pcm_plug_client_channels_buf+0x46a/0x610 [ 88.966525][ T5947] snd_pcm_oss_write+0xbb5/0x1120 [ 88.971556][ T5947] ? snd_pcm_oss_read+0x8c0/0x8c0 [ 88.976581][ T5947] ? common_file_perm+0x198/0x1f0 [ 88.981607][ T5947] ? fsnotify_perm+0x5d/0x5e0 [ 88.986292][ T5947] ? security_file_permission+0x79/0xa0 [ 88.991849][ T5947] ? snd_pcm_oss_read+0x8c0/0x8c0 [ 88.996872][ T5947] vfs_write+0x288/0x940 [ 89.001122][ T5947] ? file_end_write+0x250/0x250 [ 89.005973][ T5947] ? __ia32_sys_get_robust_list+0x90/0x90 [ 89.011699][ T5947] ? __fdget_pos+0x1d8/0x330 [ 89.016290][ T5947] ksys_write+0x147/0x250 [ 89.020624][ T5947] ? __ia32_sys_read+0x90/0x90 [ 89.025388][ T5947] ? lockdep_hardirqs_on+0x98/0x150 [ 89.030589][ T5947] do_syscall_64+0x55/0xb0 [ 89.035016][ T5947] ? clear_bhb_loop+0x40/0x90 [ 89.039699][ T5947] ? clear_bhb_loop+0x40/0x90 [ 89.044374][ T5947] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 89.050261][ T5947] RIP: 0033:0x7f8b97d8f749 [ 89.054677][ T5947] 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 [ 89.074293][ T5947] RSP: 002b:00007ffeb0c35718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 89.082706][ T5947] RAX: ffffffffffffffda RBX: 00007f8b97fe5fa0 RCX: 00007f8b97d8f749 [ 89.090672][ T5947] RDX: 00000000000005ce RSI: 0000200000000640 RDI: 0000000000000004 [ 89.098641][ T5947] RBP: 00007f8b97e13f91 R08: 0000000000000000 R09: 0000000000000000 [ 89.106607][ T5947] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 89.114570][ T5947] R13: 00007f8b97fe5fa0 R14: 00007f8b97fe5fa0 R15: 0000000000000003 [ 89.122541][ T5947] [ 89.125884][ T5947] Kernel Offset: disabled [ 89.130205][ T5947] Rebooting in 86400 seconds..