last executing test programs: kernel console output (not intermixed with test programs): pe=1400 audit(1788008660.650:112): avc: denied { write } for pid=3254 comm="sh" path="pipe:[1650]" dev="pipefs" ino=1650 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 21.449371][ T29] audit: type=1400 audit(1788008660.650:113): avc: denied { rlimitinh } for pid=3254 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.449392][ T29] audit: type=1400 audit(1788008660.650:114): avc: denied { siginh } for pid=3254 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.820897][ T29] audit: type=1400 audit(1788008661.030:115): avc: denied { search } for pid=3264 comm="dhcpcd-run-hook" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 21.820944][ T29] audit: type=1400 audit(1788008661.030:116): avc: denied { search } for pid=3264 comm="dhcpcd-run-hook" name="dhcpcd" dev="tmpfs" ino=482 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 21.820976][ T29] audit: type=1400 audit(1788008661.030:117): avc: denied { search } for pid=3264 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 Warning: Permanently added '10.128.0.112' (ED25519) to the list of known hosts. [ 29.364865][ T29] kauditd_printk_skb: 8 callbacks suppressed [ 29.364902][ T29] audit: type=1400 audit(1788008668.570:126): avc: denied { mounton } for pid=3286 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 [ 29.371845][ T3286] cgroup: Unknown subsys name 'net' [ 29.372113][ T29] audit: type=1400 audit(1788008668.580:127): avc: denied { mount } for pid=3286 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 [ 29.372140][ T29] audit: type=1400 audit(1788008668.580:128): avc: denied { unmount } for pid=3286 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 29.530139][ T3286] cgroup: Unknown subsys name 'cpuset' [ 29.536022][ T3286] cgroup: Unknown subsys name 'rlimit' [ 29.645461][ T29] audit: type=1400 audit(1788008668.850:129): avc: denied { setattr } for pid=3286 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 [ 29.658974][ T29] audit: type=1400 audit(1788008668.850:130): avc: denied { create } for pid=3286 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 29.659024][ T29] audit: type=1400 audit(1788008668.850:131): avc: denied { write } for pid=3286 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 29.659047][ T29] audit: type=1400 audit(1788008668.850:132): avc: denied { read } for pid=3286 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 29.689971][ T29] audit: type=1400 audit(1788008668.900:133): avc: denied { read } for pid=3021 comm="dhcpcd" scontext=system_u:system_r:dhcpc_t tcontext=system_u:system_r:dhcpc_t tclass=netlink_kobject_uevent_socket permissive=1 [ 29.718617][ T3290] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 29.719862][ T29] audit: type=1400 audit(1788008668.920:134): avc: denied { relabelto } for pid=3290 comm="mkswap" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 29.719999][ T29] audit: type=1400 audit(1788008668.930:135): avc: denied { write } for pid=3290 comm="mkswap" path="/root/swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 29.776891][ T3286] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 31.172850][ T3297] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.172891][ T3297] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.172982][ T3297] bridge_slave_0: entered allmulticast mode [ 31.173305][ T3297] bridge_slave_0: entered promiscuous mode [ 31.178887][ T3304] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.178914][ T3304] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.179025][ T3304] bridge_slave_0: entered allmulticast mode [ 31.179708][ T3304] bridge_slave_0: entered promiscuous mode [ 31.180646][ T3304] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.180751][ T3304] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.180811][ T3304] bridge_slave_1: entered allmulticast mode [ 31.181391][ T3304] bridge_slave_1: entered promiscuous mode [ 31.189494][ T3297] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.189525][ T3297] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.189582][ T3297] bridge_slave_1: entered allmulticast mode [ 31.189975][ T3297] bridge_slave_1: entered promiscuous mode [ 31.212667][ T3298] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.212699][ T3298] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.212752][ T3298] bridge_slave_0: entered allmulticast mode [ 31.213189][ T3298] bridge_slave_0: entered promiscuous mode [ 31.228607][ T3298] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.228639][ T3298] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.228699][ T3298] bridge_slave_1: entered allmulticast mode [ 31.229136][ T3298] bridge_slave_1: entered promiscuous mode [ 31.239800][ T3304] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 31.249948][ T3297] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 31.250908][ T3297] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 31.260964][ T3304] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 31.266381][ T3298] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 31.267460][ T3298] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 31.291079][ T3301] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.291109][ T3301] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.291159][ T3301] bridge_slave_0: entered allmulticast mode [ 31.291653][ T3301] bridge_slave_0: entered promiscuous mode [ 31.302454][ T3304] team0: Port device team_slave_0 added [ 31.303047][ T3297] team0: Port device team_slave_0 added [ 31.303822][ T3297] team0: Port device team_slave_1 added [ 31.304329][ T3301] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.304359][ T3301] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.304466][ T3301] bridge_slave_1: entered allmulticast mode [ 31.304881][ T3301] bridge_slave_1: entered promiscuous mode [ 31.305881][ T3305] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.305909][ T3305] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.305977][ T3305] bridge_slave_0: entered allmulticast mode [ 31.306353][ T3305] bridge_slave_0: entered promiscuous mode [ 31.308021][ T3304] team0: Port device team_slave_1 added [ 31.313687][ T3298] team0: Port device team_slave_0 added [ 31.314642][ T3298] team0: Port device team_slave_1 added [ 31.314792][ T3305] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.314864][ T3305] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.314914][ T3305] bridge_slave_1: entered allmulticast mode [ 31.315443][ T3305] bridge_slave_1: entered promiscuous mode [ 31.360171][ T3301] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 31.361283][ T3301] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 31.361780][ T3304] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 31.361791][ T3304] 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. [ 31.361818][ T3304] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 31.362387][ T3304] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 31.362398][ T3304] 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. [ 31.362506][ T3304] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 31.366037][ T3305] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 31.367113][ T3305] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 31.372950][ T3297] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 31.372962][ 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. [ 31.372989][ T3297] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 31.373489][ T3297] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 31.373500][ 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. [ 31.373535][ T3297] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 31.390131][ T3298] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 31.390144][ T3298] 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. [ 31.390171][ T3298] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 31.390719][ T3298] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 31.390730][ T3298] 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. [ 31.390757][ T3298] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 31.404558][ T3301] team0: Port device team_slave_0 added [ 31.405532][ T3301] team0: Port device team_slave_1 added [ 31.421123][ T3305] team0: Port device team_slave_0 added [ 31.443337][ T3297] hsr_slave_0: entered promiscuous mode [ 31.443873][ T3297] hsr_slave_1: entered promiscuous mode [ 31.444983][ T3305] team0: Port device team_slave_1 added [ 31.452527][ T3304] hsr_slave_0: entered promiscuous mode [ 31.452894][ T3304] hsr_slave_1: entered promiscuous mode [ 31.453270][ T3304] debugfs: 'hsr0' already exists in 'hsr' [ 31.453283][ T3304] Cannot create hsr debugfs directory [ 31.453542][ T3301] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 31.453552][ T3301] 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. [ 31.453579][ T3301] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 31.454015][ T3301] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 31.454027][ T3301] 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. [ 31.454053][ T3301] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 31.465113][ T3298] hsr_slave_0: entered promiscuous mode [ 31.465560][ T3298] hsr_slave_1: entered promiscuous mode [ 31.465845][ T3298] debugfs: 'hsr0' already exists in 'hsr' [ 31.465857][ T3298] Cannot create hsr debugfs directory [ 31.471875][ T3305] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 31.471887][ T3305] 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. [ 31.471914][ T3305] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 31.489868][ T3305] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 31.489881][ T3305] 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. [ 31.489907][ T3305] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 31.526303][ T3301] hsr_slave_0: entered promiscuous mode [ 31.526644][ T3301] hsr_slave_1: entered promiscuous mode [ 31.526878][ T3301] debugfs: 'hsr0' already exists in 'hsr' [ 31.526890][ T3301] Cannot create hsr debugfs directory [ 31.559145][ T3305] hsr_slave_0: entered promiscuous mode [ 31.565736][ T3305] hsr_slave_1: entered promiscuous mode [ 31.566022][ T3305] debugfs: 'hsr0' already exists in 'hsr' [ 31.566035][ T3305] Cannot create hsr debugfs directory [ 31.766902][ T3304] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 31.778182][ T3304] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 31.795237][ T3304] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 31.811215][ T3304] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 31.826770][ T3304] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 31.832791][ T3304] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 31.838777][ T3304] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 31.843760][ T3304] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 31.865191][ T3298] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 31.871710][ T3298] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 31.872205][ T3298] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 31.876990][ T3298] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 31.893247][ T3304] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.893277][ T3304] bridge0: port 2(bridge_slave_1) entered forwarding state [ 31.893413][ T3304] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.893442][ T3304] bridge0: port 1(bridge_slave_0) entered forwarding state [ 31.909947][ T3297] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 31.921569][ T3297] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 31.932115][ T3298] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 31.953666][ T3298] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 31.957889][ T3297] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 31.963756][ T3297] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 31.969439][ T3298] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 31.975543][ T3298] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 31.976614][ T3301] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 31.986044][ T3301] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 31.990204][ T3297] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 31.993441][ T3297] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 32.000136][ T3301] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 32.019673][ T3301] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 32.021609][ T3301] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 32.030062][ T3301] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 32.033803][ T3297] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 32.036727][ T3297] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 32.061231][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.077244][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.237092][ T3301] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 32.242073][ T3301] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 32.252818][ T3304] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.259941][ T3305] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 32.262691][ T3305] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 32.351259][ T3305] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 32.358679][ T3305] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 32.361998][ T3304] 8021q: adding VLAN 0 to HW filter on device team0 [ 32.367667][ T3305] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 32.372678][ T3305] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 32.379779][ T71] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.379810][ T71] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.386033][ T71] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.386059][ T71] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.387068][ T3305] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 32.393349][ T3305] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 32.479738][ T3297] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.504596][ T3297] 8021q: adding VLAN 0 to HW filter on device team0 [ 32.510185][ T31] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.510217][ T31] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.514014][ T3301] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.518545][ T3301] 8021q: adding VLAN 0 to HW filter on device team0 [ 32.526943][ T31] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.526973][ T31] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.532167][ T3298] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.536900][ T31] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.537489][ T31] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.551040][ T31] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.551072][ T31] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.575998][ T3298] 8021q: adding VLAN 0 to HW filter on device team0 [ 32.587047][ T3305] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.591411][ T42] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.591483][ T42] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.592885][ T42] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.592943][ T42] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.623291][ T3305] 8021q: adding VLAN 0 to HW filter on device team0 [ 32.647736][ T51] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.647774][ T51] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.655343][ T51] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.655376][ T51] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.719216][ T51] ================================================================== [ 32.719240][ T51] BUG: KCSAN: data-race in alloc_pid / copy_process [ 32.719259][ T51] [ 32.719264][ T51] read-write to 0xffffffff86e5c328 of 4 bytes by task 71 on cpu 0: [ 32.719281][ T51] alloc_pid+0x6da/0x960 [ 32.719295][ T51] copy_process+0x11cb/0x2340 [ 32.719312][ T51] kernel_clone+0x1c0/0x5f0 [ 32.719330][ T51] user_mode_thread+0xab/0xe0 [ 32.719349][ T51] call_usermodehelper_exec_work+0x7a/0x160 [ 32.719376][ T51] process_scheduled_works+0x56a/0xa50 [ 32.719400][ T51] worker_thread+0x569/0x750 [ 32.719447][ T51] kthread+0x223/0x270 [ 32.719463][ T51] ret_from_fork+0x146/0x330 [ 32.719486][ T51] ret_from_fork_asm+0x1a/0x30 [ 32.719507][ T51] [ 32.719511][ T51] read to 0xffffffff86e5c328 of 4 bytes by task 51 on cpu 1: [ 32.719524][ T51] copy_process+0x1acf/0x2340 [ 32.719541][ T51] kernel_clone+0x1c0/0x5f0 [ 32.719559][ T51] user_mode_thread+0xab/0xe0 [ 32.719578][ T51] call_usermodehelper_exec_work+0x7a/0x160 [ 32.719604][ T51] process_scheduled_works+0x56a/0xa50 [ 32.719627][ T51] worker_thread+0x569/0x750 [ 32.719650][ T51] kthread+0x223/0x270 [ 32.719665][ T51] ret_from_fork+0x146/0x330 [ 32.719688][ T51] ret_from_fork_asm+0x1a/0x30 [ 32.719708][ T51] [ 32.719711][ T51] value changed: 0x800000cb -> 0x800000cc [ 32.719720][ T51] [ 32.719723][ T51] Reported by Kernel Concurrency Sanitizer on: [ 32.719748][ T51] CPU: 1 UID: 0 PID: 51 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT(lazy) [ 32.719768][ T51] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 32.719779][ T51] Workqueue: events_unbound call_usermodehelper_exec_work [ 32.719807][ T51] ================================================================== [ 32.859025][ T3304] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 32.928561][ T3297] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 33.007030][ T3305] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 33.018869][ T3298] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 33.068590][ T3301] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 33.099001][ T3297] veth0_vlan: entered promiscuous mode [ 33.104366][ T3297] veth1_vlan: entered promiscuous mode [ 33.126833][ T3297] veth0_macvtap: entered promiscuous mode [ 33.129907][ T3297] veth1_macvtap: entered promiscuous mode [ 33.145657][ T3304] veth0_vlan: entered promiscuous mode [ 33.152841][ T3297] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 33.155095][ T3304] veth1_vlan: entered promiscuous mode [ 33.161500][ T3297] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 33.174732][ T42] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.174929][ T42] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.175049][ T42] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.175146][ T42] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.217285][ T3304] veth0_macvtap: entered promiscuous mode [ 33.225071][ T3304] veth1_macvtap: entered promiscuous mode [ 33.253499][ T3304] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 33.263924][ T3304] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 33.278756][ T3305] veth0_vlan: entered promiscuous mode [ 33.297235][ 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. [ 33.302338][ T3305] veth1_vlan: entered promiscuous mode [ 33.304164][ T3298] veth0_vlan: entered promiscuous mode [ 33.319182][ T3298] veth1_vlan: entered promiscuous mode [ 33.332445][ T3301] veth0_vlan: entered promiscuous mode [ 33.344324][ T3301] veth1_vlan: entered promiscuous mode [ 33.356581][ T3305] veth0_macvtap: entered promiscuous mode [ 33.368539][ T3298] veth0_macvtap: entered promiscuous mode [ 33.369320][ T31] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.369406][ T31] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.369440][ T31] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.369480][ T31] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.371026][ T3305] veth1_macvtap: entered promiscuous mode [ 33.375106][ T3305] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 33.381045][ T3305] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 33.412612][ T3301] veth0_macvtap: entered promiscuous mode [ 33.414905][ T3298] veth1_macvtap: entered promiscuous mode [ 33.416426][ T3301] veth1_macvtap: entered promiscuous mode [ 33.439530][ T410] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.440126][ T410] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.440773][ T410] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.441794][ T3298] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 33.445188][ T3301] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 33.446746][ T3301] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 33.453890][ T3298] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 33.460140][ T31] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.471325][ T410] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.471574][ T410] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.471965][ T410] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.472332][ T410] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.499929][ T410] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.500358][ T410] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.500518][ T410] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.500696][ T410] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0