last executing test programs: kernel console output (not intermixed with test programs): _r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.259295][ T28] audit: type=1400 audit(1784419764.584:113): avc: denied { noatsecure } for pid=3267 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.279200][ T28] audit: type=1400 audit(1784419764.584:114): avc: denied { write } for pid=3267 comm="sh" path="pipe:[2384]" dev="pipefs" ino=2384 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 22.301569][ T28] audit: type=1400 audit(1784419764.584:115): avc: denied { rlimitinh } for pid=3267 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.320452][ T28] audit: type=1400 audit(1784419764.584:116): avc: denied { siginh } for pid=3267 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.731864][ T3275] sshd-session (3275) used greatest stack depth: 11224 bytes left Warning: Permanently added '10.128.10.17' (ED25519) to the list of known hosts. [ 29.694606][ T28] audit: type=1400 audit(1784419772.044:117): avc: denied { mounton } for pid=3283 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 [ 29.717632][ T28] audit: type=1400 audit(1784419772.064:118): avc: denied { mount } for pid=3283 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 [ 29.718366][ T3283] cgroup: Unknown subsys name 'net' [ 29.745369][ T28] audit: type=1400 audit(1784419772.094:119): avc: denied { unmount } for pid=3283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 29.841089][ T3283] cgroup: Unknown subsys name 'cpuset' [ 29.847100][ T3283] cgroup: Unknown subsys name 'rlimit' [ 29.955813][ T28] audit: type=1400 audit(1784419772.304:120): avc: denied { setattr } for pid=3283 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 [ 29.979208][ T28] audit: type=1400 audit(1784419772.304:121): avc: denied { create } for pid=3283 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 [ 29.997751][ T3288] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 30.000229][ T28] audit: type=1400 audit(1784419772.304:122): avc: denied { write } for pid=3283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 30.029177][ T28] audit: type=1400 audit(1784419772.304:123): avc: denied { read } for pid=3283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 30.029395][ T3283] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 30.049510][ T28] audit: type=1400 audit(1784419772.304:124): avc: denied { mounton } for pid=3283 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 [ 30.049536][ T28] audit: type=1400 audit(1784419772.304:125): avc: denied { mount } for pid=3283 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 [ 30.049562][ T28] audit: type=1400 audit(1784419772.334:126): avc: denied { read } for pid=3018 comm="dhcpcd" scontext=system_u:system_r:dhcpc_t tcontext=system_u:system_r:dhcpc_t tclass=netlink_kobject_uevent_socket permissive=1 [ 31.298407][ T3297] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.305595][ T3297] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.313018][ T3297] bridge_slave_0: entered allmulticast mode [ 31.319484][ T3297] bridge_slave_0: entered promiscuous mode [ 31.343057][ T3297] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.350180][ T3297] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.357324][ T3297] bridge_slave_1: entered allmulticast mode [ 31.363751][ T3297] bridge_slave_1: entered promiscuous mode [ 31.408875][ T3297] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 31.425064][ T3302] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.432161][ T3302] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.439236][ T3302] bridge_slave_0: entered allmulticast mode [ 31.445657][ T3302] bridge_slave_0: entered promiscuous mode [ 31.459936][ T3297] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 31.481391][ T3302] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.488565][ T3302] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.495743][ T3302] bridge_slave_1: entered allmulticast mode [ 31.502159][ T3302] bridge_slave_1: entered promiscuous mode [ 31.518787][ T3297] team0: Port device team_slave_0 added [ 31.528441][ T3295] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.535672][ T3295] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.542810][ T3295] bridge_slave_0: entered allmulticast mode [ 31.549131][ T3295] bridge_slave_0: entered promiscuous mode [ 31.562615][ T3297] team0: Port device team_slave_1 added [ 31.576383][ T3295] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.583468][ T3295] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.590589][ T3295] bridge_slave_1: entered allmulticast mode [ 31.596803][ T3295] bridge_slave_1: entered promiscuous mode [ 31.613835][ T3302] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 31.630918][ T3297] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 31.637881][ 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. [ 31.663787][ T3297] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 31.675417][ T3302] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 31.694539][ T3297] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 31.701533][ 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. [ 31.727457][ T3297] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 31.742732][ T3295] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 31.766699][ T3295] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 31.783576][ T3304] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.790670][ T3304] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.797762][ T3304] bridge_slave_0: entered allmulticast mode [ 31.804200][ T3304] bridge_slave_0: entered promiscuous mode [ 31.811123][ T3304] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.818234][ T3304] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.825392][ T3304] bridge_slave_1: entered allmulticast mode [ 31.831859][ T3304] bridge_slave_1: entered promiscuous mode [ 31.838897][ T3302] team0: Port device team_slave_0 added [ 31.861875][ T3302] team0: Port device team_slave_1 added [ 31.868216][ T3295] team0: Port device team_slave_0 added [ 31.874439][ T3295] team0: Port device team_slave_1 added [ 31.880072][ T3300] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.887179][ T3300] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.894360][ T3300] bridge_slave_0: entered allmulticast mode [ 31.901042][ T3300] bridge_slave_0: entered promiscuous mode [ 31.927486][ T3300] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.934598][ T3300] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.941820][ T3300] bridge_slave_1: entered allmulticast mode [ 31.948086][ T3300] bridge_slave_1: entered promiscuous mode [ 31.956464][ T3297] hsr_slave_0: entered promiscuous mode [ 31.962557][ T3297] hsr_slave_1: entered promiscuous mode [ 31.969343][ T3304] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 31.983750][ T3295] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 31.990996][ T3295] 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. [ 32.016931][ T3295] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 32.037422][ T3304] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 32.046719][ T3302] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 32.053686][ T3302] 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. [ 32.079599][ T3302] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 32.090504][ T3295] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 32.097449][ T3295] 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. [ 32.123339][ T3295] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 32.139300][ T3300] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 32.152904][ T3302] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 32.159873][ T3302] 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. [ 32.185831][ T3302] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 32.209683][ T3300] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 32.235614][ T3295] hsr_slave_0: entered promiscuous mode [ 32.241591][ T3295] hsr_slave_1: entered promiscuous mode [ 32.247371][ T3295] debugfs: 'hsr0' already exists in 'hsr' [ 32.253103][ T3295] Cannot create hsr debugfs directory [ 32.268998][ T3304] team0: Port device team_slave_0 added [ 32.275976][ T3304] team0: Port device team_slave_1 added [ 32.288148][ T3300] team0: Port device team_slave_0 added [ 32.294822][ T3300] team0: Port device team_slave_1 added [ 32.323609][ T3304] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 32.330769][ 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. [ 32.356800][ T3304] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 32.378542][ T3304] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 32.385515][ 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. [ 32.411437][ T3304] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 32.426584][ T3302] hsr_slave_0: entered promiscuous mode [ 32.432479][ T3302] hsr_slave_1: entered promiscuous mode [ 32.438282][ T3302] debugfs: 'hsr0' already exists in 'hsr' [ 32.444013][ T3302] Cannot create hsr debugfs directory [ 32.453992][ T3300] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 32.461035][ 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. [ 32.486942][ T3300] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 32.509456][ T3300] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 32.516602][ 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. [ 32.542535][ T3300] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 32.572908][ T3304] hsr_slave_0: entered promiscuous mode [ 32.578896][ T3304] hsr_slave_1: entered promiscuous mode [ 32.584625][ T3304] debugfs: 'hsr0' already exists in 'hsr' [ 32.590378][ T3304] Cannot create hsr debugfs directory [ 32.631279][ T3300] hsr_slave_0: entered promiscuous mode [ 32.637513][ T3300] hsr_slave_1: entered promiscuous mode [ 32.643433][ T3300] debugfs: 'hsr0' already exists in 'hsr' [ 32.649155][ T3300] Cannot create hsr debugfs directory [ 32.753025][ T3297] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 32.761914][ T3297] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 32.778483][ T3297] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 32.786951][ T3297] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 32.800658][ T3297] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 32.808736][ T3297] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 32.823215][ T3297] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 32.831595][ T3297] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 32.853158][ T3295] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 32.861842][ T3295] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 32.869433][ T3295] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 32.878008][ T3295] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 32.888251][ T3295] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 32.896808][ T3295] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 32.904414][ T3295] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 32.912988][ T3295] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 32.935234][ T3304] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 32.943621][ T3304] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 32.951287][ T3304] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 32.959636][ T3304] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 32.967350][ T3304] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 32.975982][ T3304] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 32.983630][ T3304] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 32.992081][ T3304] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 33.031158][ T3302] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 33.039361][ T3302] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 33.047145][ T3302] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 33.055591][ T3302] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 33.063554][ T3302] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 33.072101][ T3302] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 33.080241][ T3302] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 33.088868][ T3302] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 33.122456][ T3300] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 33.130958][ T3300] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 33.138529][ T3300] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 33.146986][ T3300] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 33.160858][ T3300] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 33.169720][ T3300] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 33.178940][ T3300] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 33.187165][ T3300] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 33.203197][ T3295] 8021q: adding VLAN 0 to HW filter on device bond0 [ 33.225042][ T3295] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.234555][ T68] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.243243][ T68] bridge0: port 1(bridge_slave_0) entered forwarding state [ 33.259320][ T68] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.266391][ T68] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.279466][ T3297] 8021q: adding VLAN 0 to HW filter on device bond0 [ 33.295921][ T3304] 8021q: adding VLAN 0 to HW filter on device bond0 [ 33.306414][ T3297] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.322683][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.329738][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 33.344964][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.352037][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.364930][ T3304] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.380677][ T3302] 8021q: adding VLAN 0 to HW filter on device bond0 [ 33.388393][ T30] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.395521][ T30] bridge0: port 1(bridge_slave_0) entered forwarding state [ 33.417224][ T30] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.424308][ T30] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.446023][ T3302] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.472891][ T30] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.479968][ T30] bridge0: port 1(bridge_slave_0) entered forwarding state [ 33.496766][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.503852][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.535061][ T3300] 8021q: adding VLAN 0 to HW filter on device bond0 [ 33.564829][ T3300] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.598521][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.605611][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 33.620913][ T3295] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 33.631883][ T310] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.638949][ T310] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.705318][ T3297] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 33.721202][ T3304] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 33.815874][ T3302] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 33.842211][ T3295] veth0_vlan: entered promiscuous mode [ 33.862012][ T3295] veth1_vlan: entered promiscuous mode [ 33.886081][ T3300] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 33.909460][ T3297] veth0_vlan: entered promiscuous mode [ 33.918161][ T3295] veth0_macvtap: entered promiscuous mode [ 33.928818][ T3295] veth1_macvtap: entered promiscuous mode [ 33.944451][ T3297] veth1_vlan: entered promiscuous mode [ 33.957823][ T3295] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 33.979239][ T3295] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 33.989010][ T40] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.007391][ T40] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.016314][ T40] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.026047][ T3302] veth0_vlan: entered promiscuous mode [ 34.037950][ T40] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.050794][ T40] ================================================================== [ 34.058875][ T40] BUG: KCSAN: data-race in kick_pool / wq_worker_running [ 34.065895][ T40] [ 34.068205][ T40] read-write to 0xffff888237d2a8e4 of 4 bytes by task 3377 on cpu 1: [ 34.076288][ T40] wq_worker_running+0x9b/0x120 [ 34.081134][ T40] schedule_preempt_disabled+0x10/0x20 [ 34.086572][ T40] __mutex_lock+0x524/0xf40 [ 34.091055][ T40] __mutex_lock_slowpath+0xa/0x10 [ 34.096061][ T40] mutex_lock+0x88/0x90 [ 34.100194][ T40] rtnl_lock+0x15/0x20 [ 34.104244][ T40] netdev_work_proc+0x29/0x520 [ 34.108986][ T40] process_scheduled_works+0x4d4/0x9a0 [ 34.114423][ T40] worker_thread+0x569/0x750 [ 34.118990][ T40] kthread+0x221/0x270 [ 34.123033][ T40] ret_from_fork+0x146/0x330 [ 34.127601][ T40] ret_from_fork_asm+0x1a/0x30 [ 34.132340][ T40] [ 34.134640][ T40] read to 0xffff888237d2a8e4 of 4 bytes by task 40 on cpu 0: [ 34.141978][ T40] kick_pool+0x49/0x2d0 [ 34.146115][ T40] __queue_work+0x8e9/0xb90 [ 34.150600][ T40] queue_work_on+0xa9/0x140 [ 34.155081][ T40] netdev_work_enqueue+0x1b0/0x1f0 [ 34.160172][ T40] __netdev_work_core_sched+0x1f/0x30 [ 34.165522][ T40] __dev_set_rx_mode+0x12f/0x220 [ 34.170452][ T40] dev_mc_add+0x8d/0xb0 [ 34.174582][ T40] igmp6_group_added+0xfc/0x320 [ 34.179412][ T40] __ipv6_dev_mc_inc+0x4e1/0x5c0 [ 34.184324][ T40] ipv6_dev_mc_inc+0x1f/0x30 [ 34.188891][ T40] addrconf_dad_work+0x26a/0xbc0 [ 34.193808][ T40] process_scheduled_works+0x4d4/0x9a0 [ 34.199255][ T40] worker_thread+0x569/0x750 [ 34.203824][ T40] kthread+0x221/0x270 [ 34.207893][ T40] ret_from_fork+0x146/0x330 [ 34.212480][ T40] ret_from_fork_asm+0x1a/0x30 [ 34.217808][ T40] [ 34.220125][ T40] value changed: 0x00000000 -> 0x00000001 [ 34.225818][ T40] [ 34.228121][ T40] Reported by Kernel Concurrency Sanitizer on: [ 34.234279][ T40] CPU: 0 UID: 0 PID: 40 Comm: kworker/u8:2 Not tainted syzkaller #0 PREEMPT(lazy) [ 34.243541][ T40] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026 [ 34.253945][ T40] Workqueue: ipv6_addrconf addrconf_dad_work [ 34.259910][ T40] ================================================================== [ 34.276674][ T3304] veth0_vlan: entered promiscuous mode [ 34.284299][ T3297] veth0_macvtap: entered promiscuous mode [ 34.292303][ T3302] veth1_vlan: entered promiscuous mode [ 34.300965][ T3304] veth1_vlan: entered promiscuous mode [ 34.310209][ T3297] veth1_macvtap: entered promiscuous mode [ 34.328759][ T3300] veth0_vlan: entered promiscuous mode [ 34.339678][ T3302] veth0_macvtap: entered promiscuous mode [ 34.347796][ T3300] veth1_vlan: entered promiscuous mode [ 34.355857][ T3295] 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. [ 34.359476][ T3302] veth1_macvtap: entered promiscuous mode [ 34.385976][ T3297] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 34.394628][ T3297] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 34.403360][ T3302] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 34.415025][ T3302] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 34.424850][ T310] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.434184][ T3304] veth0_macvtap: entered promiscuous mode [ 34.441578][ T3304] veth1_macvtap: entered promiscuous mode [ 34.449666][ T310] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.458595][ T310] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.473630][ T310] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.483090][ T310] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.498112][ T310] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.507035][ T310] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.522275][ T310] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.531892][ T3300] veth0_macvtap: entered promiscuous mode [ 34.538671][ T3304] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 34.558031][ T3304] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 34.571822][ T40] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.580846][ T3300] veth1_macvtap: entered promiscuous mode [ 34.593404][ T40] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.602455][ T40] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.616256][ T3300] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 34.624814][ T40] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.637313][ T3300] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 34.650068][ T310] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.663503][ T310] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.672588][ T310] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.683311][ T310] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0