last executing test programs: kernel console output (not intermixed with test programs): [ 20.494023][ T28] audit: type=1400 audit(1784113675.033:106): avc: denied { write } for pid=3223 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=486 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 20.523031][ T28] audit: type=1400 audit(1784113675.033:107): avc: denied { write } for pid=3234 comm="rm" name="hook-state" dev="tmpfs" ino=486 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 20.667974][ T28] audit: type=1400 audit(1784113675.203:108): avc: denied { write } for pid=3237 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=486 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 20.690926][ T28] audit: type=1400 audit(1784113675.203:109): avc: denied { write } for pid=3248 comm="rm" name="hook-state" dev="tmpfs" ino=486 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 20.735864][ T28] audit: type=1400 audit(1784113675.273:110): avc: denied { write } for pid=3251 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=486 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 20.758983][ T28] audit: type=1400 audit(1784113675.283:111): avc: denied { write } for pid=3262 comm="rm" name="hook-state" dev="tmpfs" ino=486 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 21.974485][ T28] audit: type=1400 audit(1784113676.513:112): avc: denied { transition } for pid=3270 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.997145][ T28] audit: type=1400 audit(1784113676.513:113): avc: denied { noatsecure } for pid=3270 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.016998][ T28] audit: type=1400 audit(1784113676.513:114): avc: denied { write } for pid=3270 comm="sh" path="pipe:[1483]" dev="pipefs" ino=1483 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 22.039258][ T28] audit: type=1400 audit(1784113676.513:115): avc: denied { rlimitinh } for pid=3270 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.170' (ED25519) to the list of known hosts. [ 29.569895][ T28] kauditd_printk_skb: 1 callbacks suppressed [ 29.569910][ T28] audit: type=1400 audit(1784113684.103:117): avc: denied { mounton } for pid=3284 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 29.598941][ T28] audit: type=1400 audit(1784113684.133:118): avc: denied { mount } for pid=3284 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 [ 29.599741][ T3284] cgroup: Unknown subsys name 'net' [ 29.626728][ T28] audit: type=1400 audit(1784113684.163:119): avc: denied { unmount } for pid=3284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 29.761745][ T3284] cgroup: Unknown subsys name 'cpuset' [ 29.767853][ T3284] cgroup: Unknown subsys name 'rlimit' [ 29.896399][ T28] audit: type=1400 audit(1784113684.433:120): avc: denied { setattr } for pid=3284 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=142 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 29.924342][ T28] audit: type=1400 audit(1784113684.433:121): avc: denied { create } for pid=3284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 29.945045][ T28] audit: type=1400 audit(1784113684.433:122): avc: denied { write } for pid=3284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 29.965604][ T28] audit: type=1400 audit(1784113684.433:123): avc: denied { read } for pid=3284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 29.972478][ T3287] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 29.986183][ T28] audit: type=1400 audit(1784113684.433:124): avc: denied { mounton } for pid=3284 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 [ 30.019549][ T28] audit: type=1400 audit(1784113684.433:125): avc: denied { mount } for pid=3284 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 [ 30.021547][ T3284] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 30.042924][ T28] audit: type=1400 audit(1784113684.463:126): avc: denied { read } for pid=3019 comm="dhcpcd" scontext=system_u:system_r:dhcpc_t tcontext=system_u:system_r:dhcpc_t tclass=netlink_kobject_uevent_socket permissive=1 [ 31.997994][ T3296] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.005250][ T3296] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.012389][ T3296] bridge_slave_0: entered allmulticast mode [ 32.018943][ T3296] bridge_slave_0: entered promiscuous mode [ 32.044215][ T3296] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.051328][ T3296] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.058447][ T3296] bridge_slave_1: entered allmulticast mode [ 32.064919][ T3296] bridge_slave_1: entered promiscuous mode [ 32.084000][ T3297] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.091152][ T3297] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.098351][ T3297] bridge_slave_0: entered allmulticast mode [ 32.104820][ T3297] bridge_slave_0: entered promiscuous mode [ 32.128009][ T3297] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.135152][ T3297] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.142258][ T3297] bridge_slave_1: entered allmulticast mode [ 32.148713][ T3297] bridge_slave_1: entered promiscuous mode [ 32.161513][ T3300] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.168620][ T3300] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.175833][ T3300] bridge_slave_0: entered allmulticast mode [ 32.182354][ T3300] bridge_slave_0: entered promiscuous mode [ 32.197481][ T3296] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 32.208783][ T3300] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.215947][ T3300] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.223065][ T3300] bridge_slave_1: entered allmulticast mode [ 32.229533][ T3300] bridge_slave_1: entered promiscuous mode [ 32.236037][ T3303] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.243172][ T3303] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.250333][ T3303] bridge_slave_0: entered allmulticast mode [ 32.256855][ T3303] bridge_slave_0: entered promiscuous mode [ 32.268602][ T3296] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 32.289658][ T3303] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.296785][ T3303] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.304098][ T3303] bridge_slave_1: entered allmulticast mode [ 32.310459][ T3303] bridge_slave_1: entered promiscuous mode [ 32.317904][ T3297] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 32.331655][ T3306] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.338728][ T3306] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.345898][ T3306] bridge_slave_0: entered allmulticast mode [ 32.352272][ T3306] bridge_slave_0: entered promiscuous mode [ 32.367047][ T3297] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 32.380627][ T3306] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.387748][ T3306] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.394968][ T3306] bridge_slave_1: entered allmulticast mode [ 32.401526][ T3306] bridge_slave_1: entered promiscuous mode [ 32.408755][ T3300] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 32.426418][ T3296] team0: Port device team_slave_0 added [ 32.436507][ T3300] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 32.450666][ T3303] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 32.464168][ T3296] team0: Port device team_slave_1 added [ 32.478747][ T3303] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 32.492651][ T3297] team0: Port device team_slave_0 added [ 32.503375][ T3306] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 32.513260][ T3300] team0: Port device team_slave_0 added [ 32.523746][ T3297] team0: Port device team_slave_1 added [ 32.535000][ T3306] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 32.544961][ T3300] team0: Port device team_slave_1 added [ 32.551410][ T3303] team0: Port device team_slave_0 added [ 32.561587][ T3296] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 32.568559][ T3296] 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. [ 32.594532][ T3296] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 32.614540][ T3303] team0: Port device team_slave_1 added [ 32.624444][ T3296] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 32.631426][ T3296] 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. [ 32.657337][ T3296] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 32.680013][ T3297] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 32.687036][ T3297] 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. [ 32.712973][ T3297] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 32.726665][ T3297] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 32.733692][ T3297] 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. [ 32.759583][ T3297] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 32.770909][ T3306] team0: Port device team_slave_0 added [ 32.776859][ T3300] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 32.783822][ T3300] 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. [ 32.809898][ T3300] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 32.825739][ T3303] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 32.832740][ T3303] 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. [ 32.858632][ T3303] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 32.873244][ T3306] team0: Port device team_slave_1 added [ 32.879179][ T3300] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 32.886148][ T3300] 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. [ 32.912088][ T3300] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 32.931974][ T3303] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 32.938944][ T3303] 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. [ 32.964972][ T3303] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 32.993968][ T3296] hsr_slave_0: entered promiscuous mode [ 32.999957][ T3296] hsr_slave_1: entered promiscuous mode [ 33.020125][ T3306] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 33.027099][ T3306] 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. [ 33.053133][ T3306] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 33.064556][ T3306] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 33.071515][ T3306] 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. [ 33.097411][ T3306] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 33.113159][ T3297] hsr_slave_0: entered promiscuous mode [ 33.119189][ T3297] hsr_slave_1: entered promiscuous mode [ 33.125098][ T3297] debugfs: 'hsr0' already exists in 'hsr' [ 33.130806][ T3297] Cannot create hsr debugfs directory [ 33.155354][ T3303] hsr_slave_0: entered promiscuous mode [ 33.161311][ T3303] hsr_slave_1: entered promiscuous mode [ 33.167208][ T3303] debugfs: 'hsr0' already exists in 'hsr' [ 33.172936][ T3303] Cannot create hsr debugfs directory [ 33.185216][ T3300] hsr_slave_0: entered promiscuous mode [ 33.191306][ T3300] hsr_slave_1: entered promiscuous mode [ 33.197171][ T3300] debugfs: 'hsr0' already exists in 'hsr' [ 33.202908][ T3300] Cannot create hsr debugfs directory [ 33.220068][ T3306] hsr_slave_0: entered promiscuous mode [ 33.225988][ T3306] hsr_slave_1: entered promiscuous mode [ 33.231837][ T3306] debugfs: 'hsr0' already exists in 'hsr' [ 33.237565][ T3306] Cannot create hsr debugfs directory [ 33.435638][ T3296] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 33.443852][ T3296] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 33.451625][ T3296] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 33.460000][ T3296] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 33.470173][ T3296] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 33.478758][ T3296] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 33.486675][ T3296] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 33.495466][ T3296] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 33.516007][ T3303] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 33.524308][ T3303] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 33.532057][ T3303] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 33.540402][ T3303] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 33.549324][ T3303] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 33.558287][ T3303] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 33.566269][ T3303] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 33.574925][ T3303] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 33.604556][ T3297] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 33.613202][ T3297] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 33.621114][ T3297] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 33.629493][ T3297] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 33.637213][ T3297] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 33.645377][ T3297] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 33.653131][ T3297] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 33.661692][ T3297] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 33.693656][ T3306] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 33.702046][ T3306] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 33.709640][ T3306] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 33.718040][ T3306] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 33.727538][ T3306] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 33.736106][ T3306] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 33.743873][ T3306] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 33.752209][ T3306] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 33.793374][ T3296] 8021q: adding VLAN 0 to HW filter on device bond0 [ 33.800492][ T3300] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 33.809218][ T3300] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 33.817343][ T3300] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 33.826149][ T3300] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 33.836389][ T3300] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 33.844784][ T3300] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 33.852481][ T3300] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 33.861284][ T3300] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 33.895131][ T3296] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.909163][ T30] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.916252][ T30] bridge0: port 1(bridge_slave_0) entered forwarding state [ 33.933029][ T3303] 8021q: adding VLAN 0 to HW filter on device bond0 [ 33.941624][ T30] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.948712][ T30] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.959614][ T3297] 8021q: adding VLAN 0 to HW filter on device bond0 [ 33.971841][ T3297] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.987939][ T30] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.995092][ T30] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.009275][ T3303] 8021q: adding VLAN 0 to HW filter on device team0 [ 34.022262][ T40] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.029315][ T40] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.054916][ T360] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.062005][ T360] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.076385][ T3296] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 34.089511][ T3306] 8021q: adding VLAN 0 to HW filter on device bond0 [ 34.105354][ T360] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.112503][ T360] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.131416][ T3306] 8021q: adding VLAN 0 to HW filter on device team0 [ 34.145886][ T30] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.152988][ T30] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.169481][ T360] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.176580][ T360] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.186813][ T3300] 8021q: adding VLAN 0 to HW filter on device bond0 [ 34.223231][ T3300] 8021q: adding VLAN 0 to HW filter on device team0 [ 34.244891][ T3306] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 34.263058][ T30] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.270153][ T30] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.280033][ T30] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.287121][ T30] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.300374][ T30] ================================================================== [ 34.308471][ T30] BUG: KCSAN: data-race in alloc_pid / copy_process [ 34.315059][ T30] [ 34.317369][ T30] read-write to 0xffffffff86c5c268 of 4 bytes by task 289 on cpu 0: [ 34.325332][ T30] alloc_pid+0x6bb/0x930 [ 34.329571][ T30] copy_process+0x11aa/0x2310 [ 34.334235][ T30] kernel_clone+0x1c0/0x5f0 [ 34.338726][ T30] user_mode_thread+0x9c/0xd0 [ 34.343394][ T30] call_usermodehelper_exec_work+0x7a/0x160 [ 34.349278][ T30] process_scheduled_works+0x4d4/0x9a0 [ 34.354728][ T30] worker_thread+0x569/0x750 [ 34.359312][ T30] kthread+0x221/0x270 [ 34.363366][ T30] ret_from_fork+0x146/0x330 [ 34.367950][ T30] ret_from_fork_asm+0x1a/0x30 [ 34.372700][ T30] [ 34.375004][ T30] read to 0xffffffff86c5c268 of 4 bytes by task 30 on cpu 1: [ 34.382355][ T30] copy_process+0x1aae/0x2310 [ 34.387036][ T30] kernel_clone+0x1c0/0x5f0 [ 34.391527][ T30] user_mode_thread+0x9c/0xd0 [ 34.396193][ T30] call_usermodehelper_exec_work+0x7a/0x160 [ 34.402097][ T30] process_scheduled_works+0x4d4/0x9a0 [ 34.407548][ T30] worker_thread+0x569/0x750 [ 34.412133][ T30] kthread+0x221/0x270 [ 34.416185][ T30] ret_from_fork+0x146/0x330 [ 34.420769][ T30] ret_from_fork_asm+0x1a/0x30 [ 34.425522][ T30] [ 34.427825][ T30] value changed: 0x800000cb -> 0x800000cc [ 34.433523][ T30] [ 34.435830][ T30] Reported by Kernel Concurrency Sanitizer on: [ 34.441978][ T30] CPU: 1 UID: 0 PID: 30 Comm: kworker/u8:1 Not tainted syzkaller #0 PREEMPT(lazy) [ 34.451249][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026 [ 34.461292][ T30] Workqueue: events_unbound call_usermodehelper_exec_work [ 34.468400][ T30] ================================================================== [ 34.492112][ T3300] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 34.502661][ T3300] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 34.543326][ T3296] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 34.575876][ T3297] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 34.722860][ T3296] veth0_vlan: entered promiscuous mode [ 34.731315][ T3306] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 34.742929][ T3303] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 34.754267][ T3296] veth1_vlan: entered promiscuous mode [ 34.763068][ T3297] veth0_vlan: entered promiscuous mode [ 34.773115][ T3300] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 34.781723][ T3297] veth1_vlan: entered promiscuous mode [ 34.814640][ T3296] veth0_macvtap: entered promiscuous mode [ 34.835288][ T3296] veth1_macvtap: entered promiscuous mode [ 34.853777][ T3297] veth0_macvtap: entered promiscuous mode [ 34.867247][ T3297] veth1_macvtap: entered promiscuous mode [ 34.879042][ T3296] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 34.901961][ T3296] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 34.916383][ T3297] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 34.938389][ T3300] veth0_vlan: entered promiscuous mode [ 34.955631][ T68] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.964729][ T68] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.978231][ T68] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.987110][ T68] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.996916][ T3297] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 35.011531][ T3300] veth1_vlan: entered promiscuous mode [ 35.022414][ T3306] veth0_vlan: entered promiscuous mode [ 35.028193][ T12] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.037798][ T12] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.053540][ T12] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.062324][ T12] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.084134][ T28] kauditd_printk_skb: 13 callbacks suppressed [ 35.084147][ T28] audit: type=1400 audit(1784113689.623:140): avc: denied { mounton } for pid=3296 comm="syz-executor" path="/root/syzkaller.R29l66/syz-tmp" dev="sda1" ino=2042 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 35.114738][ T28] audit: type=1400 audit(1784113689.623:141): avc: denied { mount } for pid=3296 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 [ 35.117214][ T3303] veth0_vlan: entered promiscuous mode [ 35.137157][ T28] audit: type=1400 audit(1784113689.623:142): avc: denied { mounton } for pid=3296 comm="syz-executor" path="/root/syzkaller.R29l66/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 [ 35.143209][ T3306] veth1_vlan: entered promiscuous mode [ 35.177099][ T3300] veth0_macvtap: entered promiscuous mode [ 35.177971][ T28] audit: type=1400 audit(1784113689.623:143): avc: denied { mount } for pid=3296 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 [ 35.195777][ T3303] veth1_vlan: entered promiscuous mode [ 35.217074][ T3297] 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. [ 35.222181][ T3300] veth1_macvtap: entered promiscuous mode [ 35.237393][ T28] audit: type=1400 audit(1784113689.623:144): avc: denied { mounton } for pid=3296 comm="syz-executor" path="/root/syzkaller.R29l66/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1 [ 35.251755][ T3300] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 35.267707][ T28] audit: type=1400 audit(1784113689.623:145): avc: denied { mounton } for pid=3296 comm="syz-executor" path="/root/syzkaller.R29l66/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=4905 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [ 35.278849][ T3306] veth0_macvtap: entered promiscuous mode [ 35.301788][ T28] audit: type=1400 audit(1784113689.623:146): avc: denied { unmount } for pid=3296 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 35.320461][ T3300] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 35.327099][ T28] audit: type=1400 audit(1784113689.713:147): avc: denied { mounton } for pid=3296 comm="syz-executor" path="/dev/gadgetfs" dev="devtmpfs" ino=536 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 35.358634][ T3306] veth1_macvtap: entered promiscuous mode [ 35.360523][ T28] audit: type=1400 audit(1784113689.713:148): avc: denied { mount } for pid=3296 comm="syz-executor" name="/" dev="gadgetfs" ino=4908 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nfs_t tclass=filesystem permissive=1 [ 35.387600][ T28] audit: type=1400 audit(1784113689.893:150): avc: denied { read write } for pid=3296 comm="syz-executor" name="loop1" dev="devtmpfs" ino=101 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 35.414074][ T12] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.422898][ T12] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.433769][ T12] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.442500][ T12] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.454504][ T3306] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 35.471328][ T3306] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 35.481642][ T68] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.490525][ T68] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.503471][ T40] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.514599][ T3303] veth0_macvtap: entered promiscuous mode [ 35.521941][ T40] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.531190][ T3303] veth1_macvtap: entered promiscuous mode [ 35.543774][ T3303] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 35.554694][ T3303] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 35.567864][ T12] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.577766][ T289] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.594421][ T289] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.606701][ T289] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0