last executing test programs: 0s ago: executing program 0 (id=1): r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f00000004c0)=0x79, 0x4) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @local}, 0x10) prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000180)={0x1, &(0x7f0000000040)=[{0x200000000006, 0x0, 0x0, 0x7ffc0002}]}) r1 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="04000000040000000400000005"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000006c0)={0xe, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r1, @ANYBLOB="0000000000000000b70800000000e7057b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000001600000095"], 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000023c0)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18020000000000000000"], 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x18, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) sync() setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000000)={0x1, &(0x7f0000000280)=[{0x6, 0xfa, 0x0, 0xec}]}, 0x10) r2 = bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000), 0x4) bpf$PROG_LOAD(0x5, &(0x7f0000000400)={0x11, 0xb, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x5b, 0x0, 0x40f00, 0x0, '\x00', 0x0, @fallback=0x28, r2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100, 0x34120, 0xe, 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, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x4000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa) r6 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="04000000040000000400000005"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1b, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r6, @ANYBLOB="0000000000000000b70800000000e7057b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000001600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000023c0)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18020000000000000000"], 0x0}, 0x94) pread64(r5, &(0x7f0000000180)=""/73, 0x49, 0xac8c) ioctl$sock_SIOCETHTOOL(r4, 0x8946, &(0x7f0000000380)={'dummy0\x00', &(0x7f0000000100)=@ethtool_link_settings={0x4c, 0x80, 0xf7, 0x3, 0x31, 0x9, 0xdd, 0xe, 0x5, 0x8, [0x8000, 0x1, 0x3, 0x5, 0x101, 0xff, 0x6, 0x7fff]}}) preadv(0xffffffffffffffff, &(0x7f0000000640)=[{&(0x7f0000000140)=""/134, 0x86}], 0x1, 0x0, 0x0) keyctl$KEYCTL_MOVE(0x1e, 0x0, 0xfffffffffffffffd, 0xfffffffffffffffd, 0x1) bpf$MAP_CREATE(0x0, &(0x7f0000000580)=ANY=[@ANYBLOB="190000cc030000000400"/20, @ANYRES32=r1, @ANYBLOB='\x00\x00\x00\b\x00'/20, @ANYRES32=0x0, @ANYRES32=r3, @ANYBLOB="000000000200"/27], 0x48) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000100)='bbr', 0x3) sendmmsg$inet(r0, &(0x7f0000000f00)=[{{0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000240)="449f6aed247d197178d7f0a82e", 0xd}, {&(0x7f0000000fc0)="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", 0x29b}, {&(0x7f0000000300)}], 0x3}}, {{0x0, 0x0, &(0x7f0000000b40)=[{&(0x7f00000001c0)="ffbcf4974a4a645c6d8cd8ef2dde80a53f40daf5ec8c7b36eb6b4d4d5286a436a562f1656469c511aaadc7389df3d15187940450e3b35c63d66f24df397537c747612c3e38daf2f2336c6de65eb8048c4860fc269b96a50098a9485f692d75ecdf", 0x61}], 0x1}}, {{0x0, 0x0, &(0x7f0000000500)=[{&(0x7f00000000c0)="050843cb10087b3d2217d4", 0xb}, {&(0x7f0000000900)="f742c97e8353ef9d8afd344747fb058fea97deff79dbb8e7b56b20a2d430240bf6d32e802d80bb22b247cbad7cbbc4ec0293eb6e0c35c044ad426db18e9403dc1b6b93bfb0ea8f4cb3f3f9cf3a2379cbb191560885ad9a829313c85064a06bc36da8d9a89b20656f349ba2f202c322bd93c50ad4a2d407383bfb6bef053dbb620324f60dfce9383279f82f5e7148e317cfa432eb7d7d38db6d1c70af445a17b02ad505e48cde584306bdc40bb021c395", 0xb0}, {&(0x7f0000000a40)="9502d92394027a53ed87f498965bb80e4b19c3d35fdef593e6b27023c930b5128b33fc6c3176978e6d6236fd33d41b30c3ba02f9ced9d3b0885326b4465606c6d4bd89c93cf8a9eaaba9a30a68e937b951be4e2935a30af461bd442f11f4b66d", 0x60}, {0x0}, {0x0}], 0x5}}], 0x3, 0x40408e0) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000600)=0xdfa, 0x4) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.92' (ED25519) to the list of known hosts. [ 27.314054][ T29] audit: type=1400 audit(1761493323.763:62): avc: denied { mounton } for pid=3301 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 [ 27.337191][ T29] audit: type=1400 audit(1761493323.793:63): avc: denied { mount } for pid=3301 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 [ 27.338182][ T3301] cgroup: Unknown subsys name 'net' [ 27.364995][ T29] audit: type=1400 audit(1761493323.813:64): avc: denied { unmount } for pid=3301 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 27.476724][ T3301] cgroup: Unknown subsys name 'cpuset' [ 27.483083][ T3301] cgroup: Unknown subsys name 'rlimit' [ 27.603798][ T29] audit: type=1400 audit(1761493324.053:65): avc: denied { setattr } for pid=3301 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 [ 27.627121][ T29] audit: type=1400 audit(1761493324.053:66): avc: denied { create } for pid=3301 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 27.647619][ T29] audit: type=1400 audit(1761493324.053:67): avc: denied { write } for pid=3301 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 27.668052][ T29] audit: type=1400 audit(1761493324.053:68): avc: denied { read } for pid=3301 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 27.688576][ T29] audit: type=1400 audit(1761493324.083:69): avc: denied { mounton } for pid=3301 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 [ 27.697350][ T3304] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 27.713423][ T29] audit: type=1400 audit(1761493324.083:70): avc: denied { mount } for pid=3301 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 [ 27.745326][ T29] audit: type=1400 audit(1761493324.173:71): avc: denied { relabelto } for pid=3304 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" [ 27.783479][ T3301] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 29.720894][ T3311] chnl_net:caif_netlink_parms(): no params data found [ 29.810235][ T3311] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.817348][ T3311] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.824478][ T3311] bridge_slave_0: entered allmulticast mode [ 29.831209][ T3311] bridge_slave_0: entered promiscuous mode [ 29.837996][ T3311] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.845060][ T3311] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.852294][ T3311] bridge_slave_1: entered allmulticast mode [ 29.858897][ T3311] bridge_slave_1: entered promiscuous mode [ 29.894879][ T3311] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 29.922226][ T3311] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 29.935386][ T3316] chnl_net:caif_netlink_parms(): no params data found [ 29.971361][ T3311] team0: Port device team_slave_0 added [ 29.979728][ T3311] team0: Port device team_slave_1 added [ 30.002016][ T3317] chnl_net:caif_netlink_parms(): no params data found [ 30.025679][ T3311] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 30.032820][ 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. [ 30.058756][ T3311] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 30.079359][ T3315] chnl_net:caif_netlink_parms(): no params data found [ 30.088402][ T3311] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 30.095372][ 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. [ 30.121509][ T3311] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 30.180014][ T3316] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.187135][ T3316] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.194262][ T3316] bridge_slave_0: entered allmulticast mode [ 30.200782][ T3316] bridge_slave_0: entered promiscuous mode [ 30.226447][ T3316] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.233561][ T3316] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.240882][ T3316] bridge_slave_1: entered allmulticast mode [ 30.247222][ T3316] bridge_slave_1: entered promiscuous mode [ 30.262711][ T3311] hsr_slave_0: entered promiscuous mode [ 30.268838][ T3311] hsr_slave_1: entered promiscuous mode [ 30.299127][ T3312] chnl_net:caif_netlink_parms(): no params data found [ 30.308197][ T3315] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.315281][ T3315] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.322428][ T3315] bridge_slave_0: entered allmulticast mode [ 30.329007][ T3315] bridge_slave_0: entered promiscuous mode [ 30.336884][ T3316] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 30.351765][ T3317] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.358961][ T3317] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.366319][ T3317] bridge_slave_0: entered allmulticast mode [ 30.372811][ T3317] bridge_slave_0: entered promiscuous mode [ 30.386073][ T3315] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.393321][ T3315] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.400534][ T3315] bridge_slave_1: entered allmulticast mode [ 30.407103][ T3315] bridge_slave_1: entered promiscuous mode [ 30.414230][ T3316] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 30.433496][ T3317] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.440743][ T3317] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.447993][ T3317] bridge_slave_1: entered allmulticast mode [ 30.454561][ T3317] bridge_slave_1: entered promiscuous mode [ 30.476456][ T3315] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 30.499817][ T3315] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 30.509655][ T3316] team0: Port device team_slave_0 added [ 30.521606][ T3317] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 30.549042][ T3316] team0: Port device team_slave_1 added [ 30.555707][ T3317] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 30.570168][ T3315] team0: Port device team_slave_0 added [ 30.576673][ T3315] team0: Port device team_slave_1 added [ 30.614739][ T3316] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 30.621759][ 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 1532 would solve the problem. [ 30.647971][ T3316] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 30.661835][ T3317] team0: Port device team_slave_0 added [ 30.678291][ T3316] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 30.685271][ 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 1532 would solve the problem. [ 30.711645][ T3316] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 30.725127][ T3317] team0: Port device team_slave_1 added [ 30.731312][ T3312] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.738907][ T3312] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.746679][ T3312] bridge_slave_0: entered allmulticast mode [ 30.753344][ T3312] bridge_slave_0: entered promiscuous mode [ 30.760139][ T3315] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 30.767240][ 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 1532 would solve the problem. [ 30.793332][ T3315] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 30.805038][ T3315] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 30.812238][ 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 1532 would solve the problem. [ 30.838184][ T3315] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 30.873632][ T3312] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.880878][ T3312] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.888232][ T3312] bridge_slave_1: entered allmulticast mode [ 30.894980][ T3312] bridge_slave_1: entered promiscuous mode [ 30.934093][ T3316] hsr_slave_0: entered promiscuous mode [ 30.940145][ T3316] hsr_slave_1: entered promiscuous mode [ 30.946043][ T3316] debugfs: 'hsr0' already exists in 'hsr' [ 30.951779][ T3316] Cannot create hsr debugfs directory [ 30.957657][ T3317] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 30.964614][ T3317] 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. [ 30.990590][ T3317] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 31.020944][ T3315] hsr_slave_0: entered promiscuous mode [ 31.027039][ T3315] hsr_slave_1: entered promiscuous mode [ 31.032934][ T3315] debugfs: 'hsr0' already exists in 'hsr' [ 31.038694][ T3315] Cannot create hsr debugfs directory [ 31.044610][ T3317] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 31.051631][ T3317] 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. [ 31.077609][ T3317] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 31.089541][ T3312] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 31.120255][ T3312] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 31.154527][ T3312] team0: Port device team_slave_0 added [ 31.173676][ T3312] team0: Port device team_slave_1 added [ 31.190638][ T3317] hsr_slave_0: entered promiscuous mode [ 31.196841][ T3317] hsr_slave_1: entered promiscuous mode [ 31.202594][ T3317] debugfs: 'hsr0' already exists in 'hsr' [ 31.208387][ T3317] Cannot create hsr debugfs directory [ 31.239392][ T3312] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 31.246395][ T3312] 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. [ 31.272404][ T3312] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 31.295134][ T3312] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 31.302186][ T3312] 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. [ 31.328282][ T3312] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 31.370810][ T3311] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 31.394480][ T3311] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 31.417413][ T3311] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 31.438050][ T3312] hsr_slave_0: entered promiscuous mode [ 31.444232][ T3312] hsr_slave_1: entered promiscuous mode [ 31.450229][ T3312] debugfs: 'hsr0' already exists in 'hsr' [ 31.456017][ T3312] Cannot create hsr debugfs directory [ 31.461611][ T3311] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 31.514834][ T3316] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 31.524013][ T3316] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 31.543044][ T3316] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 31.560088][ T3316] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 31.609258][ T3315] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 31.618503][ T3315] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 31.627738][ T3315] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 31.638921][ T3315] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 31.679995][ T3317] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 31.690597][ T3317] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 31.702087][ T3317] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 31.717809][ T3317] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 31.754510][ T3311] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.765223][ T3312] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 31.774700][ T3312] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 31.784197][ T3312] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 31.794224][ T3312] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 31.816556][ T3311] 8021q: adding VLAN 0 to HW filter on device team0 [ 31.827719][ T3315] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.851859][ T391] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.859055][ T391] bridge0: port 1(bridge_slave_0) entered forwarding state [ 31.878909][ T391] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.886164][ T391] bridge0: port 2(bridge_slave_1) entered forwarding state [ 31.902165][ T3316] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.912565][ T3315] 8021q: adding VLAN 0 to HW filter on device team0 [ 31.927033][ T3317] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.942024][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.949129][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 31.959917][ T3316] 8021q: adding VLAN 0 to HW filter on device team0 [ 31.977451][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.984563][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 31.993541][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.000748][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.017381][ T3317] 8021q: adding VLAN 0 to HW filter on device team0 [ 32.058891][ T391] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.066072][ T391] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.074984][ T391] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.082146][ T391] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.101862][ T155] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.108988][ T155] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.128731][ T3312] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.177019][ T3311] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 32.184519][ T3317] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 32.194923][ T3317] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 32.228240][ T3312] 8021q: adding VLAN 0 to HW filter on device team0 [ 32.256371][ T31] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.263468][ T31] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.272750][ T31] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.279970][ T31] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.302378][ T3316] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 32.316663][ T3312] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 32.330576][ T3315] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 32.394024][ T3317] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 32.442092][ T3312] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 32.481339][ T3316] veth0_vlan: entered promiscuous mode [ 32.505244][ T3315] veth0_vlan: entered promiscuous mode [ 32.525079][ T3316] veth1_vlan: entered promiscuous mode [ 32.542851][ T3311] veth0_vlan: entered promiscuous mode [ 32.550313][ T3315] veth1_vlan: entered promiscuous mode [ 32.565145][ T3311] veth1_vlan: entered promiscuous mode [ 32.575286][ T3316] veth0_macvtap: entered promiscuous mode [ 32.593206][ T3316] veth1_macvtap: entered promiscuous mode [ 32.612753][ T3315] veth0_macvtap: entered promiscuous mode [ 32.633671][ T3315] veth1_macvtap: entered promiscuous mode [ 32.640108][ T3317] veth0_vlan: entered promiscuous mode [ 32.650652][ T3312] veth0_vlan: entered promiscuous mode [ 32.664324][ T3316] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 32.673797][ T3316] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 32.681670][ T3311] veth0_macvtap: entered promiscuous mode [ 32.693833][ T3312] veth1_vlan: entered promiscuous mode [ 32.702292][ T68] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 32.711944][ T3317] veth1_vlan: entered promiscuous mode [ 32.719070][ T3311] veth1_macvtap: entered promiscuous mode [ 32.726457][ T3315] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 32.742844][ T68] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 32.754494][ T3315] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 32.766605][ T68] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 32.775661][ T3312] veth0_macvtap: entered promiscuous mode [ 32.786274][ T68] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 32.796336][ T3312] veth1_macvtap: entered promiscuous mode [ 32.808022][ T3311] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 32.820140][ T3312] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 32.827490][ T37] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 32.837150][ T37] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 32.846633][ T37] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 32.861370][ T37] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 32.876570][ T3311] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 32.889948][ T29] kauditd_printk_skb: 9 callbacks suppressed [ 32.889963][ T29] audit: type=1400 audit(1761493329.343:81): avc: denied { mounton } for pid=3316 comm="syz-executor" path="/root/syzkaller.QKgP7Z/syz-tmp" dev="sda1" ino=2041 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 32.890578][ T3312] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 32.896711][ T29] audit: type=1400 audit(1761493329.353:82): avc: denied { mount } for pid=3316 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 [ 32.921694][ T3317] veth0_macvtap: entered promiscuous mode [ 32.933470][ T29] audit: type=1400 audit(1761493329.383:83): avc: denied { mounton } for pid=3316 comm="syz-executor" path="/root/syzkaller.QKgP7Z/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 [ 32.980567][ T29] audit: type=1400 audit(1761493329.383:84): avc: denied { mount } for pid=3316 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 [ 33.002457][ T29] audit: type=1400 audit(1761493329.383:85): avc: denied { mounton } for pid=3316 comm="syz-executor" path="/root/syzkaller.QKgP7Z/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 [ 33.029149][ T29] audit: type=1400 audit(1761493329.383:86): avc: denied { mounton } for pid=3316 comm="syz-executor" path="/root/syzkaller.QKgP7Z/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=3924 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [ 33.056746][ T29] audit: type=1400 audit(1761493329.383:87): avc: denied { unmount } for pid=3316 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 33.081857][ T29] audit: type=1400 audit(1761493329.533:88): avc: denied { mounton } for pid=3316 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 [ 33.082456][ T3317] veth1_macvtap: entered promiscuous mode [ 33.104821][ T29] audit: type=1400 audit(1761493329.533:89): avc: denied { mount } for pid=3316 comm="syz-executor" name="/" dev="gadgetfs" ino=3925 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nfs_t tclass=filesystem permissive=1 [ 33.137092][ T391] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.148155][ T3316] 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. [ 33.150683][ T3317] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 33.180901][ T391] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.189772][ T29] audit: type=1400 audit(1761493329.633:90): avc: denied { read write } for pid=3316 comm="syz-executor" name="loop0" dev="devtmpfs" ino=100 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 33.227228][ T3317] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 33.237668][ T391] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.247117][ T391] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.267612][ T3315] ================================================================== [ 33.275744][ T3315] BUG: KCSAN: data-race in inode_set_ctime_to_ts / inode_set_ctime_to_ts [ 33.284187][ T3315] [ 33.286532][ T3315] write to 0xffff8881071f9888 of 4 bytes by task 3312 on cpu 1: [ 33.294183][ T3315] inode_set_ctime_to_ts+0x84/0x170 [ 33.299394][ T3315] kernfs_iop_permission+0x190/0x220 [ 33.304699][ T3315] inode_permission+0x1ca/0x310 [ 33.309570][ T3315] may_create+0x196/0x1f0 [ 33.313909][ T3315] vfs_mkdir+0x5a/0x340 [ 33.318073][ T3315] do_mkdirat+0x132/0x3f0 [ 33.322415][ T3315] __x64_sys_mkdirat+0x4c/0x60 [ 33.327282][ T3315] x64_sys_call+0x2b7/0x3000 [ 33.331886][ T3315] do_syscall_64+0xd2/0x200 [ 33.336401][ T3315] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 33.342314][ T3315] [ 33.344639][ T3315] write to 0xffff8881071f9888 of 4 bytes by task 3315 on cpu 0: [ 33.352273][ T3315] inode_set_ctime_to_ts+0x84/0x170 [ 33.357510][ T3315] kernfs_iop_permission+0x190/0x220 [ 33.362828][ T3315] inode_permission+0x1ca/0x310 [ 33.367787][ T3315] link_path_walk+0x63c/0x900 [ 33.372488][ T3315] path_openat+0x1de/0x2170 [ 33.377098][ T3315] do_filp_open+0x109/0x230 [ 33.382155][ T3315] do_sys_openat2+0xa6/0x110 [ 33.386761][ T3315] __x64_sys_openat+0xf2/0x120 [ 33.391535][ T3315] x64_sys_call+0x2eab/0x3000 [ 33.396224][ T3315] do_syscall_64+0xd2/0x200 [ 33.400756][ T3315] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 33.406707][ T3315] [ 33.409037][ T3315] value changed: 0x239f5c4a -> 0x2b53dccd [ 33.414756][ T3315] [ 33.417083][ T3315] Reported by Kernel Concurrency Sanitizer on: [ 33.423340][ T3315] CPU: 0 UID: 0 PID: 3315 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(voluntary) [ 33.433951][ T3315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 33.444019][ T3315] ================================================================== [ 33.466836][ C1] hrtimer: interrupt took 27518 ns [ 33.478860][ T37] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.497762][ T37] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.523886][ T37] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.537602][ T37] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.547245][ T37] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.557665][ T37] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.587735][ T37] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 33.597303][ T37] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0