Warning: Permanently added '10.128.0.27' (ED25519) to the list of known hosts. 2026/08/26 00:44:52 parsed 1 programs 2026/08/26 00:44:52 serving rpc on tcp://38819 [ 63.691847][ T29] kauditd_printk_skb: 8 callbacks suppressed [ 63.691863][ T29] audit: type=1400 audit(1787705092.608:129): avc: denied { node_bind } for pid=5597 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 65.902700][ T29] audit: type=1400 audit(1787705094.818:130): avc: denied { mounton } for pid=5604 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 65.926414][ T29] audit: type=1400 audit(1787705094.838:131): avc: denied { mount } for pid=5604 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 65.932631][ T5604] cgroup: Unknown subsys name 'net' [ 65.955590][ T29] audit: type=1400 audit(1787705094.868:132): avc: denied { unmount } for pid=5604 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 66.080645][ T5604] cgroup: Unknown subsys name 'cpuset' [ 66.088917][ T5604] cgroup: Unknown subsys name 'rlimit' [ 66.229140][ T29] audit: type=1400 audit(1787705095.148:133): avc: denied { setattr } for pid=5604 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=819 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 66.252808][ T29] audit: type=1400 audit(1787705095.148:134): avc: denied { create } for pid=5604 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 66.288154][ T29] audit: type=1400 audit(1787705095.148:135): avc: denied { write } for pid=5604 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 66.308666][ T29] audit: type=1400 audit(1787705095.148:136): avc: denied { read } for pid=5604 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 66.329533][ T29] audit: type=1400 audit(1787705095.158:137): avc: denied { mounton } for pid=5604 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 66.354524][ T29] audit: type=1400 audit(1787705095.158:138): avc: denied { mount } for pid=5604 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 66.388342][ T5608] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 67.328007][ T5604] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 69.052898][ T29] kauditd_printk_skb: 4 callbacks suppressed [ 69.052916][ T29] audit: type=1400 audit(1787705097.968:143): avc: denied { execmem } for pid=5611 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 69.114183][ T29] audit: type=1400 audit(1787705098.028:144): avc: denied { read } for pid=5617 comm="syz-executor" dev="nsfs" ino=4026531833 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 69.182743][ T29] audit: type=1400 audit(1787705098.028:145): avc: denied { open } for pid=5617 comm="syz-executor" path="net:[4026531833]" dev="nsfs" ino=4026531833 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 69.206598][ T29] audit: type=1400 audit(1787705098.028:146): avc: denied { mounton } for pid=5617 comm="syz-executor" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 69.262700][ T29] audit: type=1400 audit(1787705098.078:147): avc: denied { create } for pid=5613 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=user_namespace permissive=1 [ 69.288485][ T29] audit: type=1400 audit(1787705098.078:148): avc: denied { sys_admin } for pid=5613 comm="syz-executor" capability=21 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=cap_userns permissive=1 [ 69.364456][ T29] audit: type=1400 audit(1787705098.278:149): avc: denied { mounton } for pid=5616 comm="syz-executor" path="/root/syzkaller.BJilEH/syz-tmp" dev="sda1" ino=2043 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 69.397633][ T29] audit: type=1400 audit(1787705098.278:150): avc: denied { mount } for pid=5616 comm="syz-executor" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 [ 69.420101][ T29] audit: type=1400 audit(1787705098.278:151): avc: denied { mounton } for pid=5616 comm="syz-executor" path="/root/syzkaller.BJilEH/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1 [ 69.445441][ T29] audit: type=1400 audit(1787705098.278:152): avc: denied { mount } for pid=5616 comm="syz-executor" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [ 69.473002][ T5616] 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. [ 69.757534][ T5634] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 69.766618][ T5634] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 69.775586][ T5634] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 69.784726][ T5634] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 69.793109][ T5634] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 69.836866][ T4899] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.892847][ T4899] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.137527][ T4899] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.147894][ T4899] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.131449][ T1304] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.138988][ T1304] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.878295][ T5645] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.892951][ T5645] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.909263][ T5645] bridge_slave_0: entered allmulticast mode [ 71.931645][ T5645] bridge_slave_0: entered promiscuous mode [ 71.955920][ T5645] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.984191][ T5645] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.998028][ T5645] bridge_slave_1: entered allmulticast mode [ 72.011143][ T5645] bridge_slave_1: entered promiscuous mode [ 72.050272][ T5645] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.064050][ T5645] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.086594][ T5645] team0: Port device team_slave_0 added [ 72.095207][ T5645] team0: Port device team_slave_1 added [ 72.112970][ T5645] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.119948][ T5645] 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. [ 72.146015][ T5645] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.158719][ T5645] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.165695][ T5645] 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. [ 72.192133][ T5645] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.221204][ T5645] hsr_slave_0: entered promiscuous mode [ 72.227408][ T5645] hsr_slave_1: entered promiscuous mode [ 72.328411][ T5645] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 72.340394][ T5645] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 72.352188][ T5645] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 72.362017][ T5645] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 72.369743][ T5645] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 72.380359][ T5645] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 72.388346][ T5645] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 72.397290][ T5645] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 72.452359][ T5645] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.472602][ T5645] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.483871][ T1047] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.491477][ T1047] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.507041][ T1047] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.514235][ T1047] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.739903][ T5645] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.777124][ T5645] veth0_vlan: entered promiscuous mode [ 72.790647][ T5645] veth1_vlan: entered promiscuous mode [ 72.818866][ T5645] veth0_macvtap: entered promiscuous mode [ 72.827276][ T5645] veth1_macvtap: entered promiscuous mode [ 72.844084][ T5645] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.859695][ T5645] batman_adv: batadv0: Interface activated: batadv_slave_1 2026/08/26 00:45:01 executed programs: 0 [ 72.908917][ T43] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.919011][ T43] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.928812][ T43] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.940006][ T43] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.047061][ T5634] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 73.057662][ T5634] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 73.068461][ T5634] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 73.085198][ T5634] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 73.096511][ T5634] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 73.127436][ T51] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 73.138321][ T51] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 73.148728][ T5735] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 73.160025][ T5735] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 73.168344][ T51] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 73.170934][ T5735] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 73.176514][ T51] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 73.184523][ T5735] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 73.191420][ T51] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 73.207924][ T51] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 73.225663][ T4913] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 73.240939][ T5739] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 73.248696][ T5739] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 73.259926][ T5739] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 73.271008][ T51] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 73.272957][ T5735] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 73.280538][ T51] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 73.289426][ T5735] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 73.295447][ T51] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 73.301250][ T5735] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 73.696935][ T43] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.572608][ T43] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.652027][ T5724] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.659210][ T5724] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.666334][ T5724] bridge_slave_0: entered allmulticast mode [ 74.673489][ T5724] bridge_slave_0: entered promiscuous mode [ 74.707259][ T5724] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.714532][ T5724] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.722304][ T5724] bridge_slave_1: entered allmulticast mode [ 74.729443][ T5724] bridge_slave_1: entered promiscuous mode [ 74.755828][ T5729] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.763212][ T5729] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.771187][ T5729] bridge_slave_0: entered allmulticast mode [ 74.778121][ T5729] bridge_slave_0: entered promiscuous mode [ 74.810643][ T5729] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.817997][ T5729] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.825299][ T5729] bridge_slave_1: entered allmulticast mode [ 74.832112][ T5729] bridge_slave_1: entered promiscuous mode [ 74.840571][ T5724] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.880670][ T5724] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.890931][ T5736] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.898990][ T5736] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.906135][ T5736] bridge_slave_0: entered allmulticast mode [ 74.912984][ T5736] bridge_slave_0: entered promiscuous mode [ 74.920762][ T5730] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.928440][ T5730] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.935532][ T5730] bridge_slave_0: entered allmulticast mode [ 74.942417][ T5730] bridge_slave_0: entered promiscuous mode [ 74.972891][ T5736] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.980257][ T5736] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.987388][ T5736] bridge_slave_1: entered allmulticast mode [ 74.994250][ T5736] bridge_slave_1: entered promiscuous mode [ 75.001084][ T5730] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.008296][ T5730] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.015424][ T5730] bridge_slave_1: entered allmulticast mode [ 75.022306][ T5730] bridge_slave_1: entered promiscuous mode [ 75.036071][ T5729] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.047532][ T5729] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.058122][ T5724] team0: Port device team_slave_0 added [ 75.065422][ T5724] team0: Port device team_slave_1 added [ 75.092175][ T5737] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.099578][ T5737] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.106747][ T5737] bridge_slave_0: entered allmulticast mode [ 75.113770][ T5737] bridge_slave_0: entered promiscuous mode [ 75.128805][ T5735] Bluetooth: hci0: command tx timeout [ 75.151802][ T5730] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.161287][ T5737] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.168564][ T5737] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.175674][ T5737] bridge_slave_1: entered allmulticast mode [ 75.183023][ T5737] bridge_slave_1: entered promiscuous mode [ 75.214855][ T5736] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.226926][ T5736] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.238481][ T5730] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.254878][ T5729] team0: Port device team_slave_0 added [ 75.261147][ T5724] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.268380][ T5724] 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. [ 75.288567][ T5735] Bluetooth: hci2: command tx timeout [ 75.295721][ T51] Bluetooth: hci1: command tx timeout [ 75.301565][ T5724] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.332559][ T5737] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.343084][ T5729] team0: Port device team_slave_1 added [ 75.356438][ T5724] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.363447][ T5724] 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. [ 75.374107][ T51] Bluetooth: hci3: command tx timeout [ 75.389619][ T5735] Bluetooth: hci4: command tx timeout [ 75.396436][ T5724] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.434799][ T5737] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.459179][ T43] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.489611][ T5736] team0: Port device team_slave_0 added [ 75.497433][ T5730] team0: Port device team_slave_0 added [ 75.511591][ T5729] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.518819][ T5729] 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. [ 75.544951][ T5729] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.563433][ T5736] team0: Port device team_slave_1 added [ 75.577552][ T5730] team0: Port device team_slave_1 added [ 75.593627][ T5737] team0: Port device team_slave_0 added [ 75.601522][ T5737] team0: Port device team_slave_1 added [ 75.626311][ T5729] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.634270][ T5729] 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. [ 75.660538][ T5729] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.675097][ T5724] hsr_slave_0: entered promiscuous mode [ 75.682202][ T5724] hsr_slave_1: entered promiscuous mode [ 75.689235][ T5724] debugfs: 'hsr0' already exists in 'hsr' [ 75.695033][ T5724] Cannot create hsr debugfs directory [ 75.725067][ T5736] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.732211][ T5736] 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. [ 75.758340][ T5736] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.769814][ T5730] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.776767][ T5730] 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. [ 75.802922][ T5730] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.814957][ T5737] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.822237][ T5737] 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. [ 75.848701][ T5737] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.865831][ T43] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.886125][ T5736] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.893472][ T5736] 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. [ 75.919925][ T5736] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.939166][ T5730] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.946123][ T5730] 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. [ 75.972569][ T5730] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.984490][ T5737] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.991474][ T5737] 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. [ 76.018787][ T5737] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.077423][ T5729] hsr_slave_0: entered promiscuous mode [ 76.084036][ T5729] hsr_slave_1: entered promiscuous mode [ 76.090303][ T5729] debugfs: 'hsr0' already exists in 'hsr' [ 76.096044][ T5729] Cannot create hsr debugfs directory [ 76.143866][ T5736] hsr_slave_0: entered promiscuous mode [ 76.150245][ T5736] hsr_slave_1: entered promiscuous mode [ 76.156119][ T5736] debugfs: 'hsr0' already exists in 'hsr' [ 76.162076][ T5736] Cannot create hsr debugfs directory [ 76.262255][ T5737] hsr_slave_0: entered promiscuous mode [ 76.268410][ T5737] hsr_slave_1: entered promiscuous mode [ 76.274261][ T5737] debugfs: 'hsr0' already exists in 'hsr' [ 76.280131][ T5737] Cannot create hsr debugfs directory [ 76.302427][ T5730] hsr_slave_0: entered promiscuous mode [ 76.308783][ T5730] hsr_slave_1: entered promiscuous mode [ 76.314713][ T5730] debugfs: 'hsr0' already exists in 'hsr' [ 76.320488][ T5730] Cannot create hsr debugfs directory [ 76.466415][ T43] bridge_slave_1: left allmulticast mode [ 76.472618][ T43] bridge_slave_1: left promiscuous mode [ 76.479846][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.491080][ T43] bridge_slave_0: left allmulticast mode [ 76.497265][ T43] bridge_slave_0: left promiscuous mode [ 76.503760][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.631810][ T43] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 76.642243][ T43] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 76.652967][ T43] bond0 (unregistering): Released all slaves [ 76.836089][ T43] hsr_slave_0: left promiscuous mode [ 76.842878][ T43] hsr_slave_1: left promiscuous mode [ 76.850317][ T43] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 76.858800][ T43] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 76.866993][ T43] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 76.874849][ T43] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 76.892803][ T43] veth1_macvtap: left promiscuous mode [ 76.899983][ T43] veth0_macvtap: left promiscuous mode [ 76.905614][ T43] veth1_vlan: left promiscuous mode [ 76.911380][ T43] veth0_vlan: left promiscuous mode [ 77.055535][ T29] kauditd_printk_skb: 20 callbacks suppressed [ 77.055552][ T29] audit: type=1400 audit(1787705105.968:173): avc: denied { write } for pid=5824 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=1774 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 77.155857][ T29] audit: type=1400 audit(1787705106.068:174): avc: denied { write } for pid=5835 comm="rm" name="hook-state" dev="tmpfs" ino=1774 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 77.182439][ T43] team0 (unregistering): Port device team_slave_1 removed [ 77.210792][ T43] team0 (unregistering): Port device team_slave_0 removed [ 77.224071][ T5735] Bluetooth: hci0: command tx timeout [ 77.314911][ T5258] 8021q: adding VLAN 0 to HW filter on device eth1 [ 77.369401][ T5735] Bluetooth: hci2: command tx timeout [ 77.369503][ T51] Bluetooth: hci1: command tx timeout [ 77.389134][ T5724] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.399088][ T5724] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 77.437127][ T5724] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.446098][ T5724] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 77.453941][ T51] Bluetooth: hci3: command tx timeout [ 77.458474][ T5735] Bluetooth: hci4: command tx timeout [ 77.496885][ T5724] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.510543][ T5724] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 77.518504][ T5724] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.526887][ T5724] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 77.694876][ T5724] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.786224][ T5724] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.798359][ T1047] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.805522][ T1047] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.828302][ T96] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.835495][ T96] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.838764][ T29] audit: type=1400 audit(1787705106.758:175): avc: denied { write } for pid=5844 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=1774 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 78.006732][ T29] audit: type=1400 audit(1787705106.918:176): avc: denied { write } for pid=5856 comm="rm" name="hook-state" dev="tmpfs" ino=1774 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 78.045151][ T5729] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 78.069157][ T5729] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 78.101690][ T5729] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 78.113525][ T5729] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 78.132358][ T5729] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 78.143037][ T5729] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 78.161091][ T5729] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 78.173463][ T5729] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 78.224261][ T5730] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 78.250888][ T5730] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 78.258927][ T5730] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 78.268354][ T5730] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 78.298323][ T5730] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 78.314971][ T5730] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 78.334248][ T5730] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 78.345248][ T5730] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 78.512901][ T5724] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.525111][ T5737] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 78.536187][ T5737] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 78.554223][ T5737] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 78.572033][ T5737] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 78.580100][ T29] audit: type=1400 audit(1787705107.498:177): avc: denied { write } for pid=5867 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=1774 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 78.598539][ T5729] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.620524][ T5737] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 78.633863][ T5737] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 78.660635][ T5737] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 78.673033][ T5737] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 78.719538][ T29] audit: type=1400 audit(1787705107.628:178): avc: denied { write } for pid=5893 comm="rm" name="hook-state" dev="tmpfs" ino=1774 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 78.743871][ T5729] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.774927][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.782212][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.821483][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.828653][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.847378][ T5736] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 78.864685][ T5736] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 78.874837][ T5736] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 78.886627][ T5736] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 78.910795][ T5724] veth0_vlan: entered promiscuous mode [ 78.921519][ T5736] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 78.932871][ T5736] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 78.951305][ T5736] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 78.964005][ T5736] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 78.975039][ T5724] veth1_vlan: entered promiscuous mode [ 78.998570][ T5730] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.075249][ T5730] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.090550][ T29] audit: type=1400 audit(1787705108.008:179): avc: denied { write } for pid=5902 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=1774 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 79.115488][ T5729] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 79.166428][ T29] audit: type=1400 audit(1787705108.078:180): avc: denied { write } for pid=5919 comm="rm" name="hook-state" dev="tmpfs" ino=1774 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 79.201703][ T1047] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.208899][ T1047] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.235248][ T5724] veth0_macvtap: entered promiscuous mode [ 79.257603][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.264786][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.277759][ T5724] veth1_macvtap: entered promiscuous mode [ 79.290679][ T5735] Bluetooth: hci0: command tx timeout [ 79.321991][ T5737] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.366340][ T5724] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.396403][ T5724] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.405587][ T5737] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.448264][ T5735] Bluetooth: hci1: command tx timeout [ 79.450986][ T5736] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.458313][ T5735] Bluetooth: hci2: command tx timeout [ 79.464512][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.472866][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.506046][ T1047] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.513240][ T1047] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.533193][ T5735] Bluetooth: hci3: command tx timeout [ 79.533203][ T51] Bluetooth: hci4: command tx timeout [ 79.551886][ T5736] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.635352][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.642630][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.669530][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.723997][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.731215][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.748798][ T63] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.760613][ T63] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.803963][ T5729] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.838995][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.859245][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.877586][ T41] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.889440][ T1047] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.907967][ T41] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.913482][ T5736] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network 2026/08/26 00:45:08 executed programs: 10 [ 80.084130][ T5729] veth0_vlan: entered promiscuous mode [ 80.092521][ T29] audit: type=1400 audit(1787705109.008:181): avc: denied { read write } for pid=5944 comm="syz.0.17" name="userio" dev="devtmpfs" ino=913 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 80.143057][ T5729] veth1_vlan: entered promiscuous mode [ 80.156870][ T5946] misc userio: Invalid payload size [ 80.179711][ T29] audit: type=1400 audit(1787705109.008:182): avc: denied { open } for pid=5944 comm="syz.0.17" path="/dev/userio" dev="devtmpfs" ino=913 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 80.274922][ T5729] veth0_macvtap: entered promiscuous mode [ 80.296550][ T5729] veth1_macvtap: entered promiscuous mode [ 80.365551][ T5729] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 80.381116][ T5729] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 80.397320][ T5730] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.520100][ T5737] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.585609][ T5730] veth0_vlan: entered promiscuous mode [ 80.611092][ T698] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.630649][ T5730] veth1_vlan: entered promiscuous mode [ 80.631837][ T698] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.668610][ T41] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.687523][ T41] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.755698][ T63] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.773451][ T5730] veth0_macvtap: entered promiscuous mode [ 80.779940][ T63] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.786156][ T5736] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.807002][ T5730] veth1_macvtap: entered promiscuous mode [ 80.822619][ T1047] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.860274][ T5730] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 80.899191][ T5970] misc userio: Invalid payload size [ 80.912259][ T5730] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 80.943412][ T5737] veth0_vlan: entered promiscuous mode [ 80.959301][ T698] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.974423][ T5736] veth0_vlan: entered promiscuous mode [ 80.993341][ T5737] veth1_vlan: entered promiscuous mode [ 81.022465][ T5736] veth1_vlan: entered promiscuous mode [ 81.054636][ T63] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.067554][ T63] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.081218][ T4899] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.098665][ T5736] veth0_macvtap: entered promiscuous mode [ 81.112883][ T4899] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.122231][ T5736] veth1_macvtap: entered promiscuous mode [ 81.134401][ T4899] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.141766][ T5737] veth0_macvtap: entered promiscuous mode [ 81.149156][ T5737] veth1_macvtap: entered promiscuous mode [ 81.180067][ T5736] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 81.202492][ T5737] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 81.220672][ T5973] misc userio: Invalid payload size [ 81.233948][ T5736] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 81.248636][ T698] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.260419][ T5737] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 81.298325][ T1047] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.308866][ T1047] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.368069][ T5735] Bluetooth: hci0: command tx timeout [ 81.382528][ T41] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.408467][ T41] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.493361][ T698] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.523613][ T698] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.538341][ T5735] Bluetooth: hci2: command tx timeout [ 81.538578][ T51] Bluetooth: hci1: command tx timeout [ 81.590166][ T1047] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.601739][ T1047] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.612172][ T51] Bluetooth: hci4: command tx timeout [ 81.619102][ T51] Bluetooth: hci3: command tx timeout [ 81.658760][ T63] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.685021][ T63] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.709138][ T5976] misc userio: Invalid payload size [ 81.719686][ T698] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.748561][ T698] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.762484][ T698] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.779166][ T5978] misc userio: Invalid payload size [ 81.798811][ T63] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.807565][ T63] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.816719][ T63] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.838564][ T698] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.847329][ T698] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.758850][ T5944] [ 83.761184][ T5944] ====================================================== [ 83.768260][ T5944] WARNING: possible circular locking dependency detected [ 83.775365][ T5944] syzkaller #0 Not tainted [ 83.779781][ T5944] ------------------------------------------------------ [ 83.786777][ T5944] syz.0.17/5944 is trying to acquire lock: [ 83.792559][ T5944] ffff888036127e18 (kn->active#59){++++}-{0:0}, at: __kernfs_remove+0x34c/0xb80 [ 83.801670][ T5944] [ 83.801670][ T5944] but task is already holding lock: [ 83.809050][ T5944] ffffffff904d5380 (serio_mutex){+.+.}-{4:4}, at: serio_unregister_port+0x1b/0x40 [ 83.818264][ T5944] [ 83.818264][ T5944] which lock already depends on the new lock. [ 83.818264][ T5944] [ 83.828657][ T5944] [ 83.828657][ T5944] the existing dependency chain (in reverse order) is: [ 83.837665][ T5944] [ 83.837665][ T5944] -> #1 (serio_mutex){+.+.}-{4:4}: [ 83.844945][ T5944] lock_acquire+0x1b9/0x370 [ 83.849974][ T5944] __mutex_lock+0x1a4/0x1bc0 [ 83.855076][ T5944] drvctl_store+0x3c/0x350 [ 83.860000][ T5944] dev_attr_store+0x58/0x80 [ 83.865020][ T5944] sysfs_kf_write+0xf2/0x150 [ 83.870123][ T5944] kernfs_fop_write_iter+0x3e0/0x5f0 [ 83.875929][ T5944] vfs_write+0x6af/0x1050 [ 83.880765][ T5944] ksys_write+0x12a/0x250 [ 83.885601][ T5944] do_syscall_64+0x123/0x790 [ 83.890693][ T5944] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 83.897117][ T5944] [ 83.897117][ T5944] -> #0 (kn->active#59){++++}-{0:0}: [ 83.904610][ T5944] check_prev_add+0xeb/0xe60 [ 83.909891][ T5944] __lock_acquire+0x1492/0x1ec0 [ 83.915283][ T5944] lock_acquire+0x1b9/0x370 [ 83.920330][ T5944] kernfs_drain+0x4f0/0x600 [ 83.925427][ T5944] __kernfs_remove+0x34c/0xb80 [ 83.930693][ T5944] kernfs_remove_by_name_ns+0x7c/0x120 [ 83.936774][ T5944] remove_files+0x96/0x1c0 [ 83.941720][ T5944] sysfs_remove_group+0x8b/0x1b0 [ 83.947183][ T5944] sysfs_remove_groups+0x60/0xb0 [ 83.952638][ T5944] device_remove_attrs+0x192/0x290 [ 83.958263][ T5944] device_del+0x36e/0x9b0 [ 83.963096][ T5944] serio_destroy_port+0x476/0x590 [ 83.968658][ T5944] serio_unregister_port+0x2b/0x40 [ 83.974279][ T5944] userio_char_release+0x91/0xe0 [ 83.979721][ T5944] __fput+0x3ff/0xb50 [ 83.984213][ T5944] task_work_run+0x150/0x240 [ 83.989316][ T5944] exit_to_user_mode_loop+0x1d8/0x700 [ 83.995297][ T5944] do_syscall_64+0x661/0x790 [ 84.000396][ T5944] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.006802][ T5944] [ 84.006802][ T5944] other info that might help us debug this: [ 84.006802][ T5944] [ 84.017028][ T5944] Possible unsafe locking scenario: [ 84.017028][ T5944] [ 84.024471][ T5944] CPU0 CPU1 [ 84.029821][ T5944] ---- ---- [ 84.035162][ T5944] lock(serio_mutex); [ 84.039227][ T5944] lock(kn->active#59); [ 84.045971][ T5944] lock(serio_mutex); [ 84.052547][ T5944] lock(kn->active#59); [ 84.056858][ T5944] [ 84.056858][ T5944] *** DEADLOCK *** [ 84.056858][ T5944] [ 84.064977][ T5944] locks held by syz.0.17/5944: 1, last CPU#0: [ 84.071040][ T5944] #0: ffffffff904d5380 (serio_mutex){+.+.}-{4:4}, at: serio_unregister_port+0x1b/0x40 [ 84.080687][ T5944] [ 84.080687][ T5944] stack backtrace: [ 84.086554][ T5944] CPU: 0 UID: 0 PID: 5944 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 84.086570][ T5944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 84.086578][ T5944] Call Trace: [ 84.086584][ T5944] [ 84.086590][ T5944] dump_stack_lvl+0x100/0x190 [ 84.086610][ T5944] print_circular_bug.cold+0x178/0x1be [ 84.086633][ T5944] check_noncircular+0x146/0x160 [ 84.086656][ T5944] check_prev_add+0xeb/0xe60 [ 84.086676][ T5944] ? __lock_acquire+0x4c5/0x1ec0 [ 84.086697][ T5944] __lock_acquire+0x1492/0x1ec0 [ 84.086720][ T5944] lock_acquire+0x1b9/0x370 [ 84.086739][ T5944] ? __kernfs_remove+0x34c/0xb80 [ 84.086755][ T5944] ? kernfs_drain+0x4c7/0x600 [ 84.086770][ T5944] kernfs_drain+0x4f0/0x600 [ 84.086783][ T5944] ? __kernfs_remove+0x34c/0xb80 [ 84.086799][ T5944] ? __pfx_kernfs_drain+0x10/0x10 [ 84.086812][ T5944] ? find_held_lock+0x2b/0x80 [ 84.086828][ T5944] ? __kernfs_remove+0x224/0xb80 [ 84.086843][ T5944] ? __kernfs_remove+0x224/0xb80 [ 84.086859][ T5944] ? up_write+0x2dc/0x5b0 [ 84.086872][ T5944] __kernfs_remove+0x34c/0xb80 [ 84.086889][ T5944] kernfs_remove_by_name_ns+0x7c/0x120 [ 84.086908][ T5944] remove_files+0x96/0x1c0 [ 84.086922][ T5944] sysfs_remove_group+0x8b/0x1b0 [ 84.086937][ T5944] sysfs_remove_groups+0x60/0xb0 [ 84.086952][ T5944] device_remove_attrs+0x192/0x290 [ 84.086974][ T5944] ? __pfx_device_remove_attrs+0x10/0x10 [ 84.086997][ T5944] device_del+0x36e/0x9b0 [ 84.087010][ T5944] ? do_raw_spin_lock+0x128/0x260 [ 84.087028][ T5944] ? __pfx_device_del+0x10/0x10 [ 84.087041][ T5944] ? mark_held_locks+0x40/0x70 [ 84.087061][ T5944] serio_destroy_port+0x476/0x590 [ 84.087079][ T5944] serio_unregister_port+0x2b/0x40 [ 84.087096][ T5944] userio_char_release+0x91/0xe0 [ 84.087109][ T5944] ? __pfx_userio_char_release+0x10/0x10 [ 84.087122][ T5944] __fput+0x3ff/0xb50 [ 84.087137][ T5944] task_work_run+0x150/0x240 [ 84.087156][ T5944] ? __pfx_task_work_run+0x10/0x10 [ 84.087176][ T5944] exit_to_user_mode_loop+0x1d8/0x700 [ 84.087190][ T5944] ? rcu_is_watching+0x13/0xc0 [ 84.087206][ T5944] do_syscall_64+0x661/0x790 [ 84.087223][ T5944] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.087238][ T5944] RIP: 0033:0x7f120619e0d9 [ 84.087249][ T5944] 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 e8 ff ff ff f7 d8 64 89 01 48 [ 84.087262][ T5944] RSP: 002b:00007ffcfa9a0128 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 84.087275][ T5944] RAX: 0000000000000000 RBX: 00007f1206427da0 RCX: 00007f120619e0d9 [ 84.087283][ T5944] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 84.087291][ T5944] RBP: 00007f1206427da0 R08: 0000000000000006 R09: 0000000000000000 [ 84.087299][ T5944] R10: 00007f1206427cb0 R11: 0000000000000246 R12: 0000000000013bf1 [ 84.087307][ T5944] R13: 00007f1206425fac R14: 0000000000013979 R15: 00007ffcfa9a0230 [ 84.087319][ T5944] [ 84.771670][ T29] kauditd_printk_skb: 1 callbacks suppressed [ 84.771685][ T29] audit: type=1400 audit(1787705113.688:184): avc: denied { unmount } for pid=5724 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysfs_t tclass=filesystem permissive=1 [ 84.821292][ T5981] misc userio: Invalid payload size [ 84.847133][ T5986] misc userio: Invalid payload size [ 84.850071][ T5987] misc userio: Invalid payload size [ 84.853832][ T5988] misc userio: Invalid payload size [ 84.871163][ T5989] misc userio: Invalid payload size [ 86.489508][ T24] cfg80211: failed to load regulatory.db 2026/08/26 00:45:16 executed programs: 20 [ 88.013448][ T5991] misc userio: Invalid payload size [ 88.025717][ T5994] misc userio: Invalid payload size [ 88.036872][ T5998] misc userio: Invalid payload size [ 88.041257][ T5995] misc userio: Invalid payload size [ 88.049516][ T5999] misc userio: Invalid payload size [ 91.194898][ T6007] misc userio: Invalid payload size [ 91.201796][ T6006] misc userio: Invalid payload size [ 91.202860][ T6009] misc userio: Invalid payload size [ 91.212582][ T6008] misc userio: Invalid payload size [ 91.215597][ T6010] misc userio: Invalid payload size