last executing test programs: 445.787015ms ago: executing program 1 (id=2): r0 = socket(0x2, 0x80805, 0x0) setsockopt$IP_VS_SO_SET_ADD(r0, 0x0, 0x482, &(0x7f0000000040)={0x84, @loopback, 0x4e25, 0x3, 'lblc\x00', 0x1, 0x2, 0x6e}, 0x2c) setsockopt$IP_VS_SO_SET_ADDDEST(r0, 0x0, 0x487, &(0x7f0000000000)={{0x84, @private=0xa010101, 0x4e21, 0x3, 'lc\x00', 0xc, 0x9, 0x77}, {@rand_addr=0x64010102, 0x4e23, 0x2, 0x100000cd, 0x12d5f, 0x3}}, 0x44) 404.876765ms ago: executing program 1 (id=6): pipe(&(0x7f0000000040)={0xffffffffffffffff}) io_setup(0x3ff, &(0x7f0000000500)=0x0) io_submit(r1, 0x1, &(0x7f0000000300)=[&(0x7f0000000000)={0x0, 0x0, 0x0, 0x3, 0x0, r0, 0x0}]) 356.520565ms ago: executing program 2 (id=3): unshare(0x600) r0 = timerfd_create(0x1, 0x0) timerfd_gettime(r0, &(0x7f0000001040)) 284.784066ms ago: executing program 2 (id=7): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff7ffc}]}) syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0x21081e, &(0x7f0000000240)={[{@grpquota}, {@auto_da_alloc}, {@minixdf}]}, 0x1, 0x50c, &(0x7f0000000ac0)="$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") listxattr(&(0x7f0000000100)='./file0\x00', 0x0, 0x0) 270.342646ms ago: executing program 1 (id=8): r0 = socket(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000180)={0x6}, 0x10) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="300000001a00010000000000000000001c00"/28, @ANYRES32=r0], 0x30}}, 0x0) 236.595407ms ago: executing program 3 (id=4): r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDSETMODE(r0, 0x4b3a, 0x1) ioctl$TCXONC(r0, 0x4b3a, 0x0) 174.522668ms ago: executing program 3 (id=9): capset(&(0x7f0000000000)={0x20080522}, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x81, 0xffffffff}) r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$VT_ACTIVATE(r0, 0x5606, 0x10005) 141.998078ms ago: executing program 2 (id=10): r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x1) ioctl$TCSETS(r0, 0x89f2, &(0x7f00000000c0)={0x3881bff2, 0xfffffffd, 0x0, 0x7ff, 0x0, "5dee000000594000"}) 116.198278ms ago: executing program 0 (id=1): r0 = socket$nl_route(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000040)={0x80}, 0x10) sendmsg$nl_route(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@ipv4_newroute={0x2c, 0x1a, 0x1, 0x70bd25, 0x0, {0xa}, [@RTA_SPORT={0x6, 0x1c, 0x4e20}, @RTA_IP_PROTO={0x5, 0x1b, 0x3a}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20008864}, 0x800) 103.204548ms ago: executing program 3 (id=11): r0 = socket(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000080)={'ip6tnl0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000000)={0x0, 0xf1, &(0x7f0000000240)={&(0x7f0000000500)=@newqdisc={0x38, 0x24, 0x3fe3aa0262d8c583, 0x0, 0x0, {0x0, 0x0, 0x0, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_hhf={{0x8}, {0xc, 0x2, [@TCA_HHF_HH_FLOWS_LIMIT={0x4}]}}]}, 0x38}}, 0x0) 97.120079ms ago: executing program 1 (id=12): r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0x3) ioctl$TCFLSH(r0, 0x80047437, 0x10000000000006) 71.837939ms ago: executing program 0 (id=13): r0 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000200)={0x800006dc, 0x5, 0xfffffff9, 0xffff, 0xb, "10f720db7cd997451fa550e401630d00"}) ioctl$TIOCL_GETMOUSEREPORTING(r0, 0x5412, &(0x7f0000000040)=0xa) 11.52332ms ago: executing program 4 (id=5): r0 = socket(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000280)={0x4000, 0x2}, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000010c0)=ANY=[@ANYBLOB="200000001600010a00"], 0x20}, 0x1, 0x0, 0x0, 0x8000}, 0x0) 0s ago: executing program 0 (id=14): r0 = socket$nl_route(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0xc, &(0x7f0000000040)=0x7f, 0x4) sendmsg$nl_route(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="380000001a0001000000000000100a0080202000", @ANYRES32=0x0, @ANYRES16], 0x38}}, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.165' (ED25519) to the list of known hosts. [ 22.428199][ T29] audit: type=1400 audit(1748207402.226:65): avc: denied { mounton } for pid=3302 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2022 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 22.428837][ T3302] cgroup: Unknown subsys name 'net' [ 22.450930][ T29] audit: type=1400 audit(1748207402.226:66): avc: denied { mount } for pid=3302 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 [ 22.478278][ T29] audit: type=1400 audit(1748207402.266:67): avc: denied { unmount } for pid=3302 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 22.650786][ T3302] cgroup: Unknown subsys name 'cpuset' [ 22.657093][ T3302] cgroup: Unknown subsys name 'rlimit' [ 22.845880][ T29] audit: type=1400 audit(1748207402.646:68): avc: denied { setattr } for pid=3302 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 [ 22.871670][ T29] audit: type=1400 audit(1748207402.646:69): avc: denied { create } for pid=3302 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 22.892115][ T29] audit: type=1400 audit(1748207402.646:70): avc: denied { write } for pid=3302 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 22.912532][ T29] audit: type=1400 audit(1748207402.646:71): avc: denied { read } for pid=3302 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 22.932836][ T29] audit: type=1400 audit(1748207402.656:72): avc: denied { mounton } for pid=3302 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 [ 22.940487][ T3306] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 22.957621][ T29] audit: type=1400 audit(1748207402.656:73): avc: denied { mount } for pid=3302 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 [ 22.989462][ T29] audit: type=1400 audit(1748207402.776:74): avc: denied { relabelto } for pid=3306 comm="mkswap" name="swap-file" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 23.046640][ T3302] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 24.055072][ T3315] chnl_net:caif_netlink_parms(): no params data found [ 24.128654][ T3315] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.135915][ T3315] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.143260][ T3315] bridge_slave_0: entered allmulticast mode [ 24.149525][ T3315] bridge_slave_0: entered promiscuous mode [ 24.178028][ T3315] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.185113][ T3315] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.192279][ T3315] bridge_slave_1: entered allmulticast mode [ 24.198757][ T3315] bridge_slave_1: entered promiscuous mode [ 24.229796][ T3313] chnl_net:caif_netlink_parms(): no params data found [ 24.251275][ T3314] chnl_net:caif_netlink_parms(): no params data found [ 24.272525][ T3315] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 24.287643][ T3323] chnl_net:caif_netlink_parms(): no params data found [ 24.298682][ T3315] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 24.340667][ T3316] chnl_net:caif_netlink_parms(): no params data found [ 24.362465][ T3315] team0: Port device team_slave_0 added [ 24.374908][ T3313] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.382052][ T3313] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.389297][ T3313] bridge_slave_0: entered allmulticast mode [ 24.395840][ T3313] bridge_slave_0: entered promiscuous mode [ 24.402905][ T3315] team0: Port device team_slave_1 added [ 24.408734][ T3313] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.415840][ T3313] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.423733][ T3313] bridge_slave_1: entered allmulticast mode [ 24.430062][ T3313] bridge_slave_1: entered promiscuous mode [ 24.463777][ T3314] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.470867][ T3314] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.477964][ T3314] bridge_slave_0: entered allmulticast mode [ 24.484912][ T3314] bridge_slave_0: entered promiscuous mode [ 24.491586][ T3314] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.498658][ T3314] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.505954][ T3314] bridge_slave_1: entered allmulticast mode [ 24.512451][ T3314] bridge_slave_1: entered promiscuous mode [ 24.530831][ T3313] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 24.550905][ T3315] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 24.557868][ T3315] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 24.584102][ T3315] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 24.595674][ T3313] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 24.615691][ T3315] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 24.622681][ T3315] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 24.648904][ T3315] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 24.667027][ T3314] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 24.680928][ T3323] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.687989][ T3323] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.695124][ T3323] bridge_slave_0: entered allmulticast mode [ 24.701443][ T3323] bridge_slave_0: entered promiscuous mode [ 24.710101][ T3323] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.717231][ T3323] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.724390][ T3323] bridge_slave_1: entered allmulticast mode [ 24.730843][ T3323] bridge_slave_1: entered promiscuous mode [ 24.742559][ T3314] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 24.761910][ T3313] team0: Port device team_slave_0 added [ 24.772542][ T3316] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.779665][ T3316] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.786828][ T3316] bridge_slave_0: entered allmulticast mode [ 24.793242][ T3316] bridge_slave_0: entered promiscuous mode [ 24.800064][ T3316] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.807253][ T3316] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.814435][ T3316] bridge_slave_1: entered allmulticast mode [ 24.820873][ T3316] bridge_slave_1: entered promiscuous mode [ 24.831318][ T3313] team0: Port device team_slave_1 added [ 24.838498][ T3323] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 24.865291][ T3323] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 24.883785][ T3314] team0: Port device team_slave_0 added [ 24.892008][ T3315] hsr_slave_0: entered promiscuous mode [ 24.897931][ T3315] hsr_slave_1: entered promiscuous mode [ 24.918068][ T3314] team0: Port device team_slave_1 added [ 24.928937][ T3316] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 24.943253][ T3313] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 24.950392][ T3313] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 24.976340][ T3313] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 24.987795][ T3323] team0: Port device team_slave_0 added [ 25.000412][ T3316] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 25.009892][ T3314] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 25.017021][ T3314] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 25.043032][ T3314] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 25.053867][ T3313] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 25.060853][ T3313] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 25.086787][ T3313] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 25.100464][ T3323] team0: Port device team_slave_1 added [ 25.115090][ T3314] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 25.122099][ T3314] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 25.148018][ T3314] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 25.178421][ T3316] team0: Port device team_slave_0 added [ 25.185499][ T3316] team0: Port device team_slave_1 added [ 25.198090][ T3323] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 25.205157][ T3323] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 25.231248][ T3323] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 25.242730][ T3323] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 25.249747][ T3323] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 25.275813][ T3323] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 25.312362][ T3313] hsr_slave_0: entered promiscuous mode [ 25.318185][ T3313] hsr_slave_1: entered promiscuous mode [ 25.324173][ T3313] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 25.331776][ T3313] Cannot create hsr debugfs directory [ 25.337536][ T3316] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 25.344513][ T3316] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 25.370564][ T3316] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 25.382113][ T3316] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 25.389189][ T3316] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 25.415221][ T3316] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 25.439119][ T3314] hsr_slave_0: entered promiscuous mode [ 25.445067][ T3314] hsr_slave_1: entered promiscuous mode [ 25.450984][ T3314] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 25.458511][ T3314] Cannot create hsr debugfs directory [ 25.509941][ T3323] hsr_slave_0: entered promiscuous mode [ 25.516070][ T3323] hsr_slave_1: entered promiscuous mode [ 25.522154][ T3323] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 25.529700][ T3323] Cannot create hsr debugfs directory [ 25.550599][ T3316] hsr_slave_0: entered promiscuous mode [ 25.556676][ T3316] hsr_slave_1: entered promiscuous mode [ 25.563101][ T3316] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 25.570684][ T3316] Cannot create hsr debugfs directory [ 25.715168][ T3315] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 25.723736][ T3315] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 25.732227][ T3315] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 25.746923][ T3315] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 25.762658][ T3313] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 25.771307][ T3313] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 25.781527][ T3313] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 25.792224][ T3313] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 25.815535][ T3314] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 25.824364][ T3314] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 25.842257][ T3314] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 25.851831][ T3314] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 25.887483][ T3315] 8021q: adding VLAN 0 to HW filter on device bond0 [ 25.900988][ T3323] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 25.915321][ T3323] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 25.924751][ T3323] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 25.939404][ T3315] 8021q: adding VLAN 0 to HW filter on device team0 [ 25.948176][ T3323] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 25.966383][ T419] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.973536][ T419] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.996381][ T3314] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.004602][ T3316] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 26.024046][ T41] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.031318][ T41] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.043757][ T3316] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 26.053095][ T3316] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 26.061885][ T3316] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 26.096846][ T3314] 8021q: adding VLAN 0 to HW filter on device team0 [ 26.106247][ T3313] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.131598][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.138703][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.147603][ T41] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.154641][ T41] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.170360][ T3323] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.194187][ T3313] 8021q: adding VLAN 0 to HW filter on device team0 [ 26.205626][ T3323] 8021q: adding VLAN 0 to HW filter on device team0 [ 26.217410][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.224586][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.238993][ T3316] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.250976][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.258047][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.267274][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.274446][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.294341][ T3316] 8021q: adding VLAN 0 to HW filter on device team0 [ 26.308041][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.315156][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.337378][ T3323] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 26.347808][ T3323] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 26.367752][ T3313] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 26.378216][ T3313] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 26.408358][ T553] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.415470][ T553] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.424720][ T553] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.431838][ T553] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.449387][ T3316] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 26.484722][ T3314] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 26.499509][ T3315] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 26.543564][ T3323] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 26.574151][ T3313] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 26.612342][ T3316] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 26.671175][ T3314] veth0_vlan: entered promiscuous mode [ 26.692219][ T3314] veth1_vlan: entered promiscuous mode [ 26.729885][ T3314] veth0_macvtap: entered promiscuous mode [ 26.751441][ T3315] veth0_vlan: entered promiscuous mode [ 26.767640][ T3314] veth1_macvtap: entered promiscuous mode [ 26.776928][ T3313] veth0_vlan: entered promiscuous mode [ 26.792305][ T3313] veth1_vlan: entered promiscuous mode [ 26.802712][ T3315] veth1_vlan: entered promiscuous mode [ 26.822460][ T3314] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 26.837883][ T3316] veth0_vlan: entered promiscuous mode [ 26.846572][ T3313] veth0_macvtap: entered promiscuous mode [ 26.855869][ T3314] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 26.870588][ T3313] veth1_macvtap: entered promiscuous mode [ 26.879486][ T3314] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 26.888337][ T3314] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 26.897141][ T3314] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 26.906220][ T3314] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 26.918244][ T3316] veth1_vlan: entered promiscuous mode [ 26.942946][ T3323] veth0_vlan: entered promiscuous mode [ 26.949645][ T3315] veth0_macvtap: entered promiscuous mode [ 26.961512][ T3315] veth1_macvtap: entered promiscuous mode [ 26.969881][ T3323] veth1_vlan: entered promiscuous mode [ 26.978111][ T3313] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 26.992948][ T3315] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 27.006032][ T3313] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 27.023718][ T3315] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 27.032372][ T3313] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 27.041214][ T3313] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 27.049948][ T3313] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 27.058691][ T3313] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 27.070675][ T3314] 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. [ 27.082436][ T3316] veth0_macvtap: entered promiscuous mode [ 27.092759][ T3315] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 27.101590][ T3315] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 27.110448][ T3315] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 27.119149][ T3315] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 27.134213][ T3316] veth1_macvtap: entered promiscuous mode [ 27.155511][ T1041] IPVS: starting estimator thread 0... [ 27.167749][ T3323] veth0_macvtap: entered promiscuous mode [ 27.181081][ T3316] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 27.205961][ T3323] veth1_macvtap: entered promiscuous mode [ 27.214774][ T3316] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 27.237753][ T3323] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 27.246822][ T3316] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 27.255664][ T3316] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 27.264465][ T3316] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 27.270476][ T3454] IPVS: using max 2736 ests per chain, 136800 per kthread [ 27.273328][ T3316] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 27.309590][ T3323] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 27.327366][ T3462] loop2: detected capacity change from 0 to 512 [ 27.331002][ T3323] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 27.342418][ T3323] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 27.351229][ T3323] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 27.360628][ T3323] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 27.384413][ T3462] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 27.403807][ T3464] netlink: 20 bytes leftover after parsing attributes in process `syz.1.8'. [ 27.408036][ T3462] ext4 filesystem being mounted at /1/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 27.452187][ T3313] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 27.532450][ T3480] netlink: 'syz.3.11': attribute type 3 has an invalid length. [ 27.581414][ T553] ================================================================== [ 27.589553][ T553] BUG: KCSAN: data-race in process_scheduled_works / process_scheduled_works [ 27.598369][ T553] [ 27.600737][ T553] read-write to 0xffff8881000730b0 of 8 bytes by task 419 on cpu 1: [ 27.608733][ T553] process_scheduled_works+0x4fe/0x9d0 [ 27.614214][ T553] worker_thread+0x582/0x770 [ 27.618820][ T553] kthread+0x486/0x510 [ 27.622894][ T553] ret_from_fork+0x4b/0x60 [ 27.627320][ T553] ret_from_fork_asm+0x1a/0x30 [ 27.632175][ T553] [ 27.634499][ T553] read-write to 0xffff8881000730b0 of 8 bytes by task 553 on cpu 0: [ 27.642481][ T553] process_scheduled_works+0x4fe/0x9d0 [ 27.647954][ T553] worker_thread+0x582/0x770 [ 27.652568][ T553] kthread+0x486/0x510 [ 27.656638][ T553] ret_from_fork+0x4b/0x60 [ 27.661064][ T553] ret_from_fork_asm+0x1a/0x30 [ 27.665833][ T553] [ 27.668158][ T553] value changed: 0x000000000000026a -> 0x000000000000026b [ 27.675446][ T553] [ 27.677772][ T553] Reported by Kernel Concurrency Sanitizer on: [ 27.683936][ T553] CPU: 0 UID: 0 PID: 553 Comm: kworker/u8:5 Not tainted 6.15.0-rc7-syzkaller-00175-g0f8c0258bf04 #0 PREEMPT(voluntary) [ 27.696459][ T553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 27.706540][ T553] Workqueue: events_unbound nsim_dev_trap_report_work [ 27.713331][ T553] ================================================================== [ 27.728725][ T3488] netlink: 8 bytes leftover after parsing attributes in process `syz.4.5'.