last executing test programs: 327.95098ms ago: executing program 2 (id=3): perf_event_open(&(0x7f00000000c0)={0x1, 0x80, 0x1, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_bp={0x0, 0xf}, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = perf_event_open(0x0, 0x0, 0x4000000000, 0xffffffffffffffff, 0x8) mmap$xdp(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x2, 0x42031, 0xffffffffffffffff, 0x0) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) ioctl$TUNSETVNETHDRSZ(r1, 0x400454d8, &(0x7f0000000280)=0x4) remap_file_pages(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x0, 0x0, 0x0) gettid() fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x2}) sendmsg$SEG6_CMD_SETHMAC(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f0000000640)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000700)={0x0, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x2000880) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r0, 0x81f8943c, &(0x7f0000000340)) socket$inet6_sctp(0xa, 0x5, 0x84) r2 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x58, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r4, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x2c, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0xea, 0x0, 0x0, 0x1, 0x1009, 0x7f}, {0x12, 0x2, 0x1000, 0x401, 0x8001}, 0x40000, 0x4000005, 0x10000000}}]}}]}, 0x58}}, 0x44080) sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f000000c2c0)={0x0, 0xe00, &(0x7f0000000200)={&(0x7f0000000340)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0) sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000480)={{0x14}, [@NFT_MSG_NEWRULE={0x78, 0x6, 0xa, 0x40b, 0x0, 0x0, {0x2, 0x0, 0xfffe}, [@NFTA_RULE_EXPRESSIONS={0x4c, 0x4, 0x0, 0x1, [{0x28, 0x1, 0x0, 0x1, @ct={{0x7}, @val={0x1c, 0x2, 0x0, 0x1, [@NFTA_CT_DREG={0x8, 0x1, 0x1, 0x0, 0x2}, @NFTA_CT_KEY={0x8, 0x2, 0x1, 0x0, 0x16}, @NFTA_CT_DIRECTION={0x5, 0x3, 0x1}]}}}, {0x20, 0x1, 0x0, 0x1, @ct={{0x7}, @val={0x14, 0x2, 0x0, 0x1, [@NFTA_CT_KEY={0x8, 0x2, 0x1, 0x0, 0x3}, @NFTA_CT_SREG={0x8, 0x4, 0x1, 0x0, 0xc}]}}}]}, @NFTA_RULE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_RULE_CHAIN={0x9, 0x2, 'syz2\x00'}]}], {0x14, 0x11, 0x1, 0x0, 0x0, {0x5}}}, 0xa0}, 0x1, 0x0, 0x0, 0x840}, 0x0) close(0xffffffffffffffff) ioctl$BTRFS_IOC_TREE_SEARCH_V2(0xffffffffffffffff, 0xc0709411, 0x0) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) r5 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r5, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)={{0x14, 0x10, 0x1, 0x0, 0x0, {0x3}}, [@NFT_MSG_NEWTABLE={0x28, 0x0, 0xa, 0x5, 0x0, 0x0, {0x3, 0x0, 0x3}, [@NFTA_TABLE_FLAGS={0x8, 0x2, 0x1, 0x0, 0x4}, @NFTA_TABLE_NAME={0x9, 0x1, 'syz0\x00'}]}, @NFT_MSG_NEWTABLE={0x28, 0x0, 0xa, 0x401, 0x0, 0x0, {0x3, 0x0, 0x8a}, [@NFTA_TABLE_NAME={0x9, 0x1, 'syz0\x00'}, @NFTA_TABLE_FLAGS={0x8, 0x2, 0x1, 0x0, 0x7}]}], {0x14, 0x10, 0x1, 0x0, 0x0, {0x1}}}, 0x78}, 0x1, 0x0, 0x0, 0x24040010}, 0x20004040) semget$private(0x0, 0x3, 0x0) setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f00000001c0)={0x0, 0x0}, 0x10) socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000000)) 0s ago: executing program 2 (id=6): setsockopt$IP6T_SO_SET_REPLACE(0xffffffffffffffff, 0x29, 0x40, 0x0, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000040)='./file0\x00', 0x100c404, &(0x7f0000000240)={[{@fat=@umask={'umask', 0x3d, 0x7}}, {@fat=@usefree}, {@fat=@uid}, {@fat=@uid={'uid', 0x3d, 0xee00}}, {@dots}, {@fat=@check_strict}, {@fat=@nfs}, {@nodots}, {@dots}, {@dots}, {@nodots}, {@nodots}, {@nodots}, {@fat=@debug}, {@fat=@debug}, {@nodots}, {@nodots}, {@dots}, {@fat=@flush}, {@dots}, {@dots}, {@dots}, {@fat=@showexec}, {@dots}, {@nodots}, {}]}, 0x1, 0x1f5, &(0x7f0000000600)="$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") r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000840)='memory.events.local\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040), 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15) perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401f, 0x68180, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x6f, 0x1, @perf_bp={0x0, 0x1}, 0x10c0e8, 0x0, 0x0, 0x3, 0x6, 0x8001, 0x7fff}, 0x0, 0xff6fbfffffffffff, 0xffffffffffffffff, 0x1) r1 = syz_open_procfs(0x0, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000) sched_setattr(0x0, 0x0, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nfc(&(0x7f0000007300), r2) sendmsg$NFC_CMD_DEACTIVATE_TARGET(r2, &(0x7f0000007400)={0x0, 0x0, &(0x7f00000073c0)={&(0x7f0000007380)={0x24, r3, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NFC_ATTR_TARGET_INDEX={0x8}, @NFC_ATTR_DEVICE_INDEX={0x8}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000}, 0xc014) sendfile(r1, r1, 0x0, 0x80000000) mbind(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x0, 0x0, 0xffffffffffffffc0, 0x7b6b9b2bf3aa0dd2) syz_emit_ethernet(0x7e, &(0x7f0000000000)={@local, @local, @void, {@ipv4={0x800, @icmp={{0x5, 0x4, 0x0, 0x0, 0x70, 0x0, 0x0, 0x0, 0x1, 0x0, @private=0xa010102, @local}, @redirect={0x5, 0x0, 0x0, @broadcast=0x1000000, {0x15, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x11, 0x0, @loopback, @broadcast, {[@timestamp_addr={0x44, 0xc, 0x3, 0x1, 0x0, [{@private=0xa010101, 0x4e210000}]}, @timestamp_addr={0x44, 0x34, 0xbc, 0x1, 0x0, [{@multicast1}, {}, {@dev}, {@private, 0x8}, {@empty}, {@initdev={0xac, 0x1e, 0x0, 0x0}}]}]}}}}}}}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) getsockopt$sock_cred(r4, 0x1, 0x11, 0x0, 0x0) sendmmsg$unix(r4, &(0x7f0000000440)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.180' (ED25519) to the list of known hosts. [ 32.780376][ T28] kauditd_printk_skb: 17 callbacks suppressed [ 32.780394][ T28] audit: type=1400 audit(1779619781.001:126): avc: denied { mounton } for pid=3293 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 [ 32.809826][ T28] audit: type=1400 audit(1779619781.031:127): avc: denied { mount } for pid=3293 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 [ 32.812234][ T3293] cgroup: Unknown subsys name 'net' [ 32.837668][ T28] audit: type=1400 audit(1779619781.061:128): avc: denied { unmount } for pid=3293 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 32.935999][ T3293] cgroup: Unknown subsys name 'cpuset' [ 32.942256][ T3293] cgroup: Unknown subsys name 'rlimit' [ 33.053921][ T28] audit: type=1400 audit(1779619781.271:129): avc: denied { setattr } for pid=3293 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 [ 33.086733][ T28] audit: type=1400 audit(1779619781.271:130): avc: denied { create } for pid=3293 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 33.107392][ T28] audit: type=1400 audit(1779619781.271:131): avc: denied { write } for pid=3293 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 33.127920][ T28] audit: type=1400 audit(1779619781.271:132): avc: denied { read } for pid=3293 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 [ 33.135543][ T3296] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 33.148747][ T28] audit: type=1400 audit(1779619781.271:133): avc: denied { mounton } for pid=3293 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 [ 33.182634][ T28] audit: type=1400 audit(1779619781.271:134): avc: denied { mount } for pid=3293 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 [ 33.193243][ T3293] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 33.206019][ T28] audit: type=1400 audit(1779619781.311:135): avc: denied { read } for pid=3027 comm="dhcpcd" scontext=system_u:system_r:dhcpc_t tcontext=system_u:system_r:dhcpc_t tclass=netlink_kobject_uevent_socket permissive=1 [ 35.461470][ T3309] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.468622][ T3309] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.475919][ T3309] bridge_slave_0: entered allmulticast mode [ 35.482326][ T3309] bridge_slave_0: entered promiscuous mode [ 35.493874][ T3310] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.500971][ T3310] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.508124][ T3310] bridge_slave_0: entered allmulticast mode [ 35.514819][ T3310] bridge_slave_0: entered promiscuous mode [ 35.530194][ T3309] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.537304][ T3309] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.544413][ T3309] bridge_slave_1: entered allmulticast mode [ 35.550960][ T3309] bridge_slave_1: entered promiscuous mode [ 35.566715][ T3310] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.573888][ T3310] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.581094][ T3310] bridge_slave_1: entered allmulticast mode [ 35.587507][ T3310] bridge_slave_1: entered promiscuous mode [ 35.598632][ T3306] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.605809][ T3306] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.612958][ T3306] bridge_slave_0: entered allmulticast mode [ 35.619545][ T3306] bridge_slave_0: entered promiscuous mode [ 35.645032][ T3306] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.652138][ T3306] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.659417][ T3306] bridge_slave_1: entered allmulticast mode [ 35.666039][ T3306] bridge_slave_1: entered promiscuous mode [ 35.676834][ T3305] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.684007][ T3305] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.691202][ T3305] bridge_slave_0: entered allmulticast mode [ 35.697854][ T3305] bridge_slave_0: entered promiscuous mode [ 35.704481][ T3311] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.711977][ T3311] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.719356][ T3311] bridge_slave_0: entered allmulticast mode [ 35.725930][ T3311] bridge_slave_0: entered promiscuous mode [ 35.733735][ T3310] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.748492][ T3309] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.757785][ T3305] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.764913][ T3305] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.772022][ T3305] bridge_slave_1: entered allmulticast mode [ 35.778554][ T3305] bridge_slave_1: entered promiscuous mode [ 35.785110][ T3311] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.792267][ T3311] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.799614][ T3311] bridge_slave_1: entered allmulticast mode [ 35.805966][ T3311] bridge_slave_1: entered promiscuous mode [ 35.813431][ T3310] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.829258][ T3309] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.856910][ T3306] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.867347][ T3306] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.895296][ T3309] team0: Port device team_slave_0 added [ 35.901934][ T3309] team0: Port device team_slave_1 added [ 35.913489][ T3305] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.923702][ T3311] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.933372][ T3310] team0: Port device team_slave_0 added [ 35.950143][ T3305] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.964499][ T3311] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.974517][ T3310] team0: Port device team_slave_1 added [ 35.980972][ T3306] team0: Port device team_slave_0 added [ 36.005131][ T3306] team0: Port device team_slave_1 added [ 36.010985][ T3309] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.018048][ T3309] 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. [ 36.044081][ T3309] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.055458][ T3309] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.062423][ T3309] 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. [ 36.088468][ T3309] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.100084][ T3305] team0: Port device team_slave_0 added [ 36.123819][ T3305] team0: Port device team_slave_1 added [ 36.130306][ T3311] team0: Port device team_slave_0 added [ 36.136305][ T3310] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.143325][ T3310] 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. [ 36.169467][ T3310] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.185369][ T3306] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.192352][ 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. [ 36.218431][ T3306] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.230813][ T3306] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.237783][ 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. [ 36.263737][ T3306] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.280415][ T3311] team0: Port device team_slave_1 added [ 36.286390][ T3310] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.293403][ T3310] 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. [ 36.319453][ T3310] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.360406][ T3305] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.367415][ 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. [ 36.393448][ T3305] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.405344][ T3311] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.412308][ T3311] 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. [ 36.438748][ T3311] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.459278][ T3309] hsr_slave_0: entered promiscuous mode [ 36.465444][ T3309] hsr_slave_1: entered promiscuous mode [ 36.472886][ T3305] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.479891][ 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. [ 36.505927][ T3305] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.517698][ T3311] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.524649][ T3311] 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. [ 36.550660][ T3311] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.594732][ T3310] hsr_slave_0: entered promiscuous mode [ 36.600989][ T3310] hsr_slave_1: entered promiscuous mode [ 36.607124][ T3310] debugfs: 'hsr0' already exists in 'hsr' [ 36.612875][ T3310] Cannot create hsr debugfs directory [ 36.625961][ T3306] hsr_slave_0: entered promiscuous mode [ 36.632270][ T3306] hsr_slave_1: entered promiscuous mode [ 36.638527][ T3306] debugfs: 'hsr0' already exists in 'hsr' [ 36.644281][ T3306] Cannot create hsr debugfs directory [ 36.690742][ T3305] hsr_slave_0: entered promiscuous mode [ 36.697024][ T3305] hsr_slave_1: entered promiscuous mode [ 36.702950][ T3305] debugfs: 'hsr0' already exists in 'hsr' [ 36.708770][ T3305] Cannot create hsr debugfs directory [ 36.716830][ T3311] hsr_slave_0: entered promiscuous mode [ 36.723048][ T3311] hsr_slave_1: entered promiscuous mode [ 36.729046][ T3311] debugfs: 'hsr0' already exists in 'hsr' [ 36.734803][ T3311] Cannot create hsr debugfs directory [ 36.925729][ T3309] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 36.935591][ T3309] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 36.943437][ T3309] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 36.952318][ T3309] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 36.960102][ T3309] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 36.969136][ T3309] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 36.976820][ T3309] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 36.985366][ T3309] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 37.011856][ T3306] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 37.020832][ T3306] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 37.033037][ T3306] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 37.042132][ T3306] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 37.049890][ T3306] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 37.058747][ T3306] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 37.066631][ T3306] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 37.075250][ T3306] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 37.106627][ T3310] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 37.115526][ T3310] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 37.123299][ T3310] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 37.132233][ T3310] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 37.139998][ T3310] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 37.148938][ T3310] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 37.156853][ T3310] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 37.165606][ T3310] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 37.198267][ T3311] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 37.207121][ T3311] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 37.215016][ T3311] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 37.224596][ T3311] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 37.245619][ T3311] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 37.254002][ T3311] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 37.261953][ T3311] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 37.270965][ T3311] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 37.299059][ T3305] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 37.307736][ T3305] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 37.315471][ T3305] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 37.324107][ T3305] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 37.332322][ T3305] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 37.340867][ T3305] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 37.349543][ T3305] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 37.358426][ T3305] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 37.385323][ T3306] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.394496][ T3309] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.418844][ T3309] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.431289][ T3306] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.447709][ T65] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.454811][ T65] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.468673][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.475862][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.485622][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.492755][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.507724][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.514978][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.534266][ T3310] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.580116][ T3310] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.592597][ T3311] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.608648][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.615722][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.628542][ T3311] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.642699][ T30] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.649813][ T30] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.663318][ T3305] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.677252][ T3306] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 37.693894][ T30] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.700994][ T30] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.715107][ T3305] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.728619][ T65] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.735825][ T65] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.763323][ T65] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.770545][ T65] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.781497][ T65] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.788717][ T65] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.881041][ T3309] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.014287][ T3306] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.055748][ T3309] veth0_vlan: entered promiscuous mode [ 38.081029][ T3309] veth1_vlan: entered promiscuous mode [ 38.103113][ T3311] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.125339][ T3310] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.150644][ T3305] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.164762][ T3309] veth0_macvtap: entered promiscuous mode [ 38.179077][ T3309] veth1_macvtap: entered promiscuous mode [ 38.214324][ T3309] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.241610][ T3309] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.269025][ T3306] veth0_vlan: entered promiscuous mode [ 38.282254][ T36] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.291793][ T36] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.311293][ T36] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.320310][ T36] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.330853][ T3306] veth1_vlan: entered promiscuous mode [ 38.356660][ T28] kauditd_printk_skb: 10 callbacks suppressed [ 38.356728][ T28] audit: type=1400 audit(1779619786.581:146): avc: denied { mounton } for pid=3309 comm="syz-executor" path="/root/syzkaller.QbZh3Z/syz-tmp" dev="sda1" ino=2042 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 38.366094][ T3311] veth0_vlan: entered promiscuous mode [ 38.398722][ T28] audit: type=1400 audit(1779619786.581:147): avc: denied { mount } for pid=3309 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 [ 38.436134][ T28] audit: type=1400 audit(1779619786.621:148): avc: denied { mounton } for pid=3309 comm="syz-executor" path="/root/syzkaller.QbZh3Z/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 [ 38.447785][ T3311] veth1_vlan: entered promiscuous mode [ 38.469859][ T3309] 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. [ 38.483442][ T28] audit: type=1400 audit(1779619786.621:149): avc: denied { mount } for pid=3309 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 [ 38.508336][ T28] audit: type=1400 audit(1779619786.621:150): avc: denied { mounton } for pid=3309 comm="syz-executor" path="/root/syzkaller.QbZh3Z/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 [ 38.541449][ T28] audit: type=1400 audit(1779619786.621:151): avc: denied { mounton } for pid=3309 comm="syz-executor" path="/root/syzkaller.QbZh3Z/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=3791 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [ 38.570947][ T3305] veth0_vlan: entered promiscuous mode [ 38.581437][ T3306] veth0_macvtap: entered promiscuous mode [ 38.582331][ T28] audit: type=1400 audit(1779619786.631:152): avc: denied { unmount } for pid=3309 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 38.593322][ T3306] veth1_macvtap: entered promiscuous mode [ 38.613160][ T28] audit: type=1400 audit(1779619786.641:153): avc: denied { mounton } for pid=3309 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 [ 38.648973][ T3305] veth1_vlan: entered promiscuous mode [ 38.654791][ T28] audit: type=1400 audit(1779619786.641:154): avc: denied { mount } for pid=3309 comm="syz-executor" name="/" dev="gadgetfs" ino=3793 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nfs_t tclass=filesystem permissive=1 [ 38.684035][ T28] audit: type=1400 audit(1779619786.851:155): avc: denied { read write } for pid=3309 comm="syz-executor" name="loop2" dev="devtmpfs" ino=102 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 38.703360][ T3306] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.718455][ T3311] veth0_macvtap: entered promiscuous mode [ 38.726006][ T3305] veth0_macvtap: entered promiscuous mode [ 38.751665][ T3311] veth1_macvtap: entered promiscuous mode [ 38.759358][ T3305] veth1_macvtap: entered promiscuous mode [ 38.770000][ T3306] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.780714][ T1917] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.789297][ T3509] mmap: syz.2.3 (3509) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst. [ 38.808997][ T1917] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.823123][ T1917] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.832255][ T1917] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.842109][ T3509] sch_tbf: burst 545 is lower than device lo mtu (65550) ! [ 38.850650][ T3310] veth0_vlan: entered promiscuous mode [ 38.860942][ T3311] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.869906][ T3311] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.879864][ T3305] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.899464][ T3305] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.907506][ T1917] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.917159][ T3310] veth1_vlan: entered promiscuous mode [ 38.926204][ T1917] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.935483][ T1917] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.952692][ T1917] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.977833][ T1917] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.990324][ T3511] loop2: detected capacity change from 0 to 256 [ 39.015725][ T1917] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.027874][ T1917] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.039604][ T30] ================================================================== [ 39.047744][ T30] BUG: KCSAN: data-race in __fat_write_inode / copy_folio_from_iter_atomic [ 39.056394][ T30] [ 39.058738][ T30] write to 0xffff88810bd038bc of 4 bytes by task 3511 on cpu 0: [ 39.066397][ T30] __fat_write_inode+0x236/0x540 [ 39.071375][ T30] fat_write_inode+0xbb/0xd0 [ 39.076009][ T30] __writeback_single_inode+0x311/0x650 [ 39.076415][ T3310] veth0_macvtap: entered promiscuous mode [ 39.081597][ T30] writeback_single_inode+0x16d/0x3f0 [ 39.081630][ T30] sync_inode_metadata+0x6e/0xa0 [ 39.081653][ T30] fat_flush_inodes+0x77/0x150 [ 39.081699][ T30] fat_truncate_blocks+0x53d/0x5b0 [ 39.081720][ T30] fat_write_end+0xba/0x160 [ 39.081742][ T30] generic_perform_write+0x311/0x490 [ 39.081761][ T30] __generic_file_write_iter+0x9e/0x120 [ 39.097054][ T3310] veth1_macvtap: entered promiscuous mode [ 39.097815][ T30] generic_file_write_iter+0x8d/0x310 [ 39.113855][ T3310] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.117603][ T30] vfs_write+0x5a6/0x9f0 [ 39.127163][ T3310] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.129029][ T30] ksys_write+0xdc/0x1a0 [ 39.157657][ T30] __x64_sys_write+0x40/0x50 [ 39.162301][ T30] x64_sys_call+0x27e1/0x3020 [ 39.167018][ T30] do_syscall_64+0x12c/0x3b0 [ 39.171661][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.177556][ T30] [ 39.179878][ T30] read to 0xffff88810bd03800 of 2048 bytes by task 30 on cpu 1: [ 39.187516][ T30] copy_folio_from_iter_atomic+0x743/0x10b0 [ 39.193439][ T30] generic_perform_write+0x2c1/0x490 [ 39.198731][ T30] shmem_file_write_iter+0xc5/0xf0 [ 39.203849][ T30] lo_rw_aio+0x67d/0x730 [ 39.208092][ T30] loop_process_work+0x56c/0xac0 [ 39.213055][ T30] loop_workfn+0x31/0x40 [ 39.217312][ T30] process_scheduled_works+0x4f0/0x9c0 [ 39.222806][ T30] worker_thread+0x58a/0x780 [ 39.227421][ T30] kthread+0x22a/0x280 [ 39.231489][ T30] ret_from_fork+0x146/0x330 [ 39.236126][ T30] ret_from_fork_asm+0x1a/0x30 [ 39.240933][ T30] [ 39.243257][ T30] Reported by Kernel Concurrency Sanitizer on: [ 39.249518][ T30] CPU: 1 UID: 0 PID: 30 Comm: kworker/u8:1 Not tainted syzkaller #0 PREEMPT(full) [ 39.258827][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 39.268891][ T30] Workqueue: loop2 loop_workfn [ 39.273718][ T30] ================================================================== [ 39.298958][ T1917] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.327441][ T49] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.336335][ T49] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.359945][ T49] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.372914][ T49] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0