[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 89.253805][ T28] audit: type=1800 audit(1580487813.115:25): pid=9428 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 89.273827][ T28] audit: type=1800 audit(1580487813.125:26): pid=9428 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 89.331077][ T28] audit: type=1800 audit(1580487813.125:27): pid=9428 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.66' (ECDSA) to the list of known hosts. 2020/01/31 16:23:43 fuzzer started 2020/01/31 16:23:45 dialing manager at 10.128.0.26:41885 2020/01/31 16:23:45 syscalls: 2935 2020/01/31 16:23:45 code coverage: enabled 2020/01/31 16:23:45 comparison tracing: enabled 2020/01/31 16:23:45 extra coverage: enabled 2020/01/31 16:23:45 setuid sandbox: enabled 2020/01/31 16:23:45 namespace sandbox: enabled 2020/01/31 16:23:45 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/31 16:23:45 fault injection: enabled 2020/01/31 16:23:45 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/31 16:23:45 net packet injection: enabled 2020/01/31 16:23:45 net device setup: enabled 2020/01/31 16:23:45 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/31 16:23:45 devlink PCI setup: PCI device 0000:00:10.0 is not available 16:26:33 executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup3(r1, r0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r3, 0x6, 0x1e, &(0x7f0000000000)=0x1, 0x4) connect$inet(r3, &(0x7f00000000c0)={0x2, 0x0, @remote}, 0x10) 16:26:33 executing program 1: r0 = syz_open_dev$video4linux(&(0x7f0000000300)='/dev/v4l-subdev#\x00', 0x2, 0x0) ioctl$VIDIOC_SUBDEV_S_FMT(r0, 0xc0585605, &(0x7f0000000340)={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xc}}) ioctl$VIDIOC_ENUM_FREQ_BANDS(r0, 0xc0405665, &(0x7f0000000140)={0x4, 0x0, 0x8, 0x800, 0x800, 0x6, 0xc}) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = syz_open_dev$dri(0x0, 0x0, 0x0) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, r2) setsockopt$packet_int(0xffffffffffffffff, 0x107, 0x0, 0x0, 0x0) r4 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41bd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_dev$amidi(0x0, 0x0, 0x0) gettid() syz_open_dev$sg(0x0, 0x0, 0x40) r5 = dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKSECTGET(r5, 0x1267, &(0x7f0000000080)) r6 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r7 = ioctl$KVM_CREATE_VM(r6, 0xae01, 0x0) close(0xffffffffffffffff) ioctl$KVM_CREATE_IRQCHIP(r7, 0xae60) accept4$phonet_pipe(r3, &(0x7f0000000200), &(0x7f0000000240)=0x10, 0x0) r8 = ioctl$KVM_CREATE_VCPU(r7, 0xae41, 0x0) ioctl$ASHMEM_GET_NAME(0xffffffffffffffff, 0x81007702, &(0x7f00000003c0)=""/103) ioctl$KVM_RUN(r8, 0xae80, 0x0) r9 = dup3(r6, r7, 0x0) dup2(r4, r8) socket(0x0, 0x0, 0x0) getpeername(r9, 0x0, 0x0) syzkaller login: [ 269.769995][ T9597] IPVS: ftp: loaded support on port[0] = 21 [ 269.960121][ T9597] chnl_net:caif_netlink_parms(): no params data found [ 270.012387][ T9600] IPVS: ftp: loaded support on port[0] = 21 [ 270.048916][ T9597] bridge0: port 1(bridge_slave_0) entered blocking state 16:26:33 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) clone(0x2000000002000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001380)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = gettid() setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, &(0x7f0000000280)=ANY=[@ANYRES32, @ANYBLOB="6d047c005d52994c0afc21be2900000047e2252cb7882b9abb2a2f9fb9399e0400c33f00102b0200000089da006a001499b2d1b3a4952f36def66e54e4c909c01e8c4e61f8a0e814f7e2acdd0063c7caa4"], 0x2) ptrace$setopts(0x4206, r3, 0x0, 0x0) tkill(r3, 0x5) wait4(0x0, 0x0, 0x0, 0x0) [ 270.065011][ T9597] bridge0: port 1(bridge_slave_0) entered disabled state [ 270.087514][ T9597] device bridge_slave_0 entered promiscuous mode [ 270.101630][ T9597] bridge0: port 2(bridge_slave_1) entered blocking state [ 270.116424][ T9597] bridge0: port 2(bridge_slave_1) entered disabled state [ 270.124750][ T9597] device bridge_slave_1 entered promiscuous mode [ 270.209549][ T9597] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 270.246842][ T9597] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 270.286382][ T9597] team0: Port device team_slave_0 added [ 270.296159][ T9597] team0: Port device team_slave_1 added [ 270.364793][ T9597] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 270.387319][ T9597] 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. 16:26:34 executing program 3: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup3(r0, r1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r3, &(0x7f0000000040)={0x2, 0x0, @remote}, 0x10) r4 = socket(0x400000000000010, 0x802, 0x0) write(r4, &(0x7f00000000c0)="24000000200099f0003be90000ed190e020008160000100000ba1080080002007f196be0", 0x24) setsockopt$sock_int(r3, 0x1, 0xd, &(0x7f0000000000), 0xac25926700000008) [ 270.413873][ T9597] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 270.445064][ T9602] IPVS: ftp: loaded support on port[0] = 21 [ 270.454869][ T9597] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 270.468009][ T9597] 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. [ 270.507570][ T9597] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 270.532527][ T9600] chnl_net:caif_netlink_parms(): no params data found [ 270.619711][ T9597] device hsr_slave_0 entered promiscuous mode [ 270.657787][ T9597] device hsr_slave_1 entered promiscuous mode 16:26:34 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) bind$inet6(r1, &(0x7f00004b8fe4)={0xa, 0x3, 0x0, @empty}, 0x1c) sendto$inet6(r1, &(0x7f00000000c0)='X', 0x1, 0x0, &(0x7f0000000200)={0xa, 0x3, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r1, 0x84, 0x14, 0x0, 0x8) ioctl(r0, 0x1000008912, &(0x7f0000000000)="080db5055e0bcfe8478071") [ 270.779118][ T9605] IPVS: ftp: loaded support on port[0] = 21 [ 270.926767][ T9600] bridge0: port 1(bridge_slave_0) entered blocking state [ 270.933872][ T9600] bridge0: port 1(bridge_slave_0) entered disabled state [ 270.958432][ T9600] device bridge_slave_0 entered promiscuous mode [ 270.968436][ T9600] bridge0: port 2(bridge_slave_1) entered blocking state [ 270.975660][ T9600] bridge0: port 2(bridge_slave_1) entered disabled state [ 270.999608][ T9600] device bridge_slave_1 entered promiscuous mode [ 271.035595][ T9607] IPVS: ftp: loaded support on port[0] = 21 16:26:35 executing program 5: r0 = openat$apparmor_thread_exec(0xffffffffffffff9c, &(0x7f0000000240)='/proc/thread-self/attr/exec\x00', 0x2, 0x0) r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) write$apparmor_exec(r0, &(0x7f0000000040)={'exec ', '::\n'}, 0x1d) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) [ 271.167418][ T9600] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 271.199981][ T9602] chnl_net:caif_netlink_parms(): no params data found [ 271.221440][ T9600] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 271.323346][ T9600] team0: Port device team_slave_0 added [ 271.340729][ T9597] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 271.409812][ T9600] team0: Port device team_slave_1 added [ 271.427773][ T9605] chnl_net:caif_netlink_parms(): no params data found [ 271.437223][ T9597] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 271.489011][ T9597] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 271.553183][ T9597] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 271.626493][ T9600] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 271.633483][ T9600] 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. [ 271.659742][ T9600] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 271.671893][ T9602] bridge0: port 1(bridge_slave_0) entered blocking state [ 271.679738][ T9602] bridge0: port 1(bridge_slave_0) entered disabled state [ 271.687937][ T9602] device bridge_slave_0 entered promiscuous mode [ 271.696463][ T9602] bridge0: port 2(bridge_slave_1) entered blocking state [ 271.703579][ T9602] bridge0: port 2(bridge_slave_1) entered disabled state [ 271.703934][ T9610] IPVS: ftp: loaded support on port[0] = 21 [ 271.712337][ T9602] device bridge_slave_1 entered promiscuous mode [ 271.748348][ T9600] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 271.755426][ T9600] 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. [ 271.782617][ T9600] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 271.869643][ T9600] device hsr_slave_0 entered promiscuous mode [ 271.907032][ T9600] device hsr_slave_1 entered promiscuous mode [ 271.956535][ T9600] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 271.964303][ T9600] Cannot create hsr debugfs directory [ 271.972900][ T9605] bridge0: port 1(bridge_slave_0) entered blocking state [ 271.980385][ T9605] bridge0: port 1(bridge_slave_0) entered disabled state [ 271.988692][ T9605] device bridge_slave_0 entered promiscuous mode [ 271.999691][ T9605] bridge0: port 2(bridge_slave_1) entered blocking state [ 272.006847][ T9605] bridge0: port 2(bridge_slave_1) entered disabled state [ 272.014697][ T9605] device bridge_slave_1 entered promiscuous mode [ 272.065248][ T9602] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 272.103964][ T9602] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 272.160375][ T9605] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 272.172032][ T9605] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 272.204088][ T9607] chnl_net:caif_netlink_parms(): no params data found [ 272.232530][ T9605] team0: Port device team_slave_0 added [ 272.242562][ T9602] team0: Port device team_slave_0 added [ 272.251160][ T9602] team0: Port device team_slave_1 added [ 272.273565][ T9605] team0: Port device team_slave_1 added [ 272.307653][ T9605] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 272.314641][ T9605] 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. [ 272.341004][ T9605] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 272.361357][ T9602] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 272.369070][ T9602] 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. [ 272.396088][ T9602] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 272.429741][ T9605] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 272.436791][ T9605] 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. [ 272.462974][ T9605] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 272.550020][ T9605] device hsr_slave_0 entered promiscuous mode [ 272.596843][ T9605] device hsr_slave_1 entered promiscuous mode [ 272.646396][ T9605] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 272.654032][ T9605] Cannot create hsr debugfs directory [ 272.663707][ T9602] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 272.670939][ T9602] 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. [ 272.697670][ T9602] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 272.727044][ T9607] bridge0: port 1(bridge_slave_0) entered blocking state [ 272.734544][ T9607] bridge0: port 1(bridge_slave_0) entered disabled state [ 272.742635][ T9607] device bridge_slave_0 entered promiscuous mode [ 272.809872][ T9602] device hsr_slave_0 entered promiscuous mode [ 272.859420][ T9602] device hsr_slave_1 entered promiscuous mode [ 272.896375][ T9602] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 272.904026][ T9602] Cannot create hsr debugfs directory [ 272.918986][ T9607] bridge0: port 2(bridge_slave_1) entered blocking state [ 272.926058][ T9607] bridge0: port 2(bridge_slave_1) entered disabled state [ 272.933783][ T9607] device bridge_slave_1 entered promiscuous mode [ 273.016526][ T9600] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 273.083931][ T9600] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 273.141303][ T9600] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 273.202415][ T9600] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 273.278781][ T9607] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 273.294348][ T9607] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 273.325900][ T9610] chnl_net:caif_netlink_parms(): no params data found [ 273.349911][ T9607] team0: Port device team_slave_0 added [ 273.384022][ T9607] team0: Port device team_slave_1 added [ 273.392716][ T9597] 8021q: adding VLAN 0 to HW filter on device bond0 [ 273.457760][ T9607] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 273.464734][ T9607] 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. [ 273.492356][ T9607] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 273.534584][ T9610] bridge0: port 1(bridge_slave_0) entered blocking state [ 273.541837][ T9610] bridge0: port 1(bridge_slave_0) entered disabled state [ 273.550094][ T9610] device bridge_slave_0 entered promiscuous mode [ 273.557844][ T9607] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 273.565370][ T9607] 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. [ 273.591848][ T9607] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 273.669041][ T9607] device hsr_slave_0 entered promiscuous mode [ 273.707318][ T9607] device hsr_slave_1 entered promiscuous mode [ 273.776392][ T9607] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 273.783973][ T9607] Cannot create hsr debugfs directory [ 273.794096][ T9610] bridge0: port 2(bridge_slave_1) entered blocking state [ 273.801456][ T9610] bridge0: port 2(bridge_slave_1) entered disabled state [ 273.809575][ T9610] device bridge_slave_1 entered promiscuous mode [ 273.851769][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 273.860400][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 273.882817][ T9605] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 273.934862][ T9605] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 274.004975][ T9597] 8021q: adding VLAN 0 to HW filter on device team0 [ 274.028292][ T9610] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 274.038278][ T9605] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 274.081035][ T9605] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 274.148128][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 274.162411][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 274.171018][ T2848] bridge0: port 1(bridge_slave_0) entered blocking state [ 274.178486][ T2848] bridge0: port 1(bridge_slave_0) entered forwarding state [ 274.190056][ T9610] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 274.203795][ T9602] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 274.263608][ T9602] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 274.319655][ T9602] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 274.392073][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 274.416064][ T9610] team0: Port device team_slave_0 added [ 274.431764][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 274.441285][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 274.449916][ T2851] bridge0: port 2(bridge_slave_1) entered blocking state [ 274.457135][ T2851] bridge0: port 2(bridge_slave_1) entered forwarding state [ 274.464950][ T9602] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 274.527903][ T9610] team0: Port device team_slave_1 added [ 274.577754][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 274.593370][ T9610] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 274.600959][ T9610] 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. [ 274.629499][ T9610] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 274.642477][ T9610] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 274.649598][ T9610] 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. [ 274.675660][ T9610] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 274.702232][ T9600] 8021q: adding VLAN 0 to HW filter on device bond0 [ 274.713891][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 274.723018][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 274.732199][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 274.800116][ T9610] device hsr_slave_0 entered promiscuous mode [ 274.856861][ T9610] device hsr_slave_1 entered promiscuous mode [ 274.906459][ T9610] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 274.914048][ T9610] Cannot create hsr debugfs directory [ 274.929396][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 274.977255][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 274.985917][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 275.029338][ T9600] 8021q: adding VLAN 0 to HW filter on device team0 [ 275.052554][ T2703] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 275.069962][ T2703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 275.080504][ T2703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 275.089207][ T2703] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 275.126348][ T9607] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 275.168377][ T9607] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 275.209819][ T2703] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 275.221796][ T2703] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 275.233396][ T9597] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 275.257890][ T9607] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 275.301518][ T9607] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 275.360165][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 275.370373][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 275.379075][ T2894] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.386127][ T2894] bridge0: port 1(bridge_slave_0) entered forwarding state [ 275.394494][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 275.423502][ T9605] 8021q: adding VLAN 0 to HW filter on device bond0 [ 275.461321][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 275.471615][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 275.480424][ T2894] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.487543][ T2894] bridge0: port 2(bridge_slave_1) entered forwarding state [ 275.496290][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 275.528583][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 275.539033][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 275.548306][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 275.561049][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 275.570112][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 275.580229][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 275.596558][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 275.605090][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 275.618932][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 275.627038][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 275.640947][ T9605] 8021q: adding VLAN 0 to HW filter on device team0 [ 275.668736][ T9600] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 275.682020][ T9600] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 275.695540][ T9602] 8021q: adding VLAN 0 to HW filter on device bond0 [ 275.703033][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 275.712087][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 275.720043][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 275.728835][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 275.746524][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 275.755356][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 275.764810][ T2894] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.771942][ T2894] bridge0: port 1(bridge_slave_0) entered forwarding state [ 275.780417][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 275.789791][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 275.798468][ T2894] bridge0: port 2(bridge_slave_1) entered blocking state [ 275.805525][ T2894] bridge0: port 2(bridge_slave_1) entered forwarding state [ 275.818594][ T9597] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 275.825865][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 275.864724][ T9602] 8021q: adding VLAN 0 to HW filter on device team0 [ 275.882798][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 275.892189][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 275.900412][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 275.908879][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 275.918084][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 275.926964][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 275.935243][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 275.944062][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 275.952543][ T2894] bridge0: port 1(bridge_slave_0) entered blocking state [ 275.959611][ T2894] bridge0: port 1(bridge_slave_0) entered forwarding state [ 275.973727][ T9610] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 276.029666][ T9610] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 276.088558][ T9610] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 276.162155][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 276.171029][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 276.179463][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 276.188517][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 276.197312][ T2894] bridge0: port 2(bridge_slave_1) entered blocking state [ 276.204379][ T2894] bridge0: port 2(bridge_slave_1) entered forwarding state [ 276.212499][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 276.227025][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 276.235646][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 276.245174][ T9610] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 276.347911][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 276.356674][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 276.365259][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 276.375663][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 276.384404][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 276.393601][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 276.402099][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 276.410728][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 276.419393][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 276.427812][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 276.435218][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 276.444112][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 276.474630][ T9597] device veth0_vlan entered promiscuous mode [ 276.498768][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 276.507394][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 276.520002][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 276.528849][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 276.540275][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 276.548715][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 276.561057][ T9607] 8021q: adding VLAN 0 to HW filter on device bond0 [ 276.580907][ T9600] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 276.594702][ T9597] device veth1_vlan entered promiscuous mode [ 276.604776][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 276.613513][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 276.622286][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 276.630764][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 276.639292][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 276.652203][ T9602] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 276.695824][ T9607] 8021q: adding VLAN 0 to HW filter on device team0 [ 276.718621][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 276.727981][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 276.735709][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 276.745979][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 276.754966][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 276.763801][ T2851] bridge0: port 1(bridge_slave_0) entered blocking state [ 276.770947][ T2851] bridge0: port 1(bridge_slave_0) entered forwarding state [ 276.781064][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 276.788845][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 276.796656][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 276.826973][ T9605] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 276.839899][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 276.848945][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 276.857124][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 276.865820][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 276.875637][ T2827] bridge0: port 2(bridge_slave_1) entered blocking state [ 276.882743][ T2827] bridge0: port 2(bridge_slave_1) entered forwarding state [ 276.925817][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 276.934787][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 276.943646][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 276.953133][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 276.962143][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 276.972043][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 276.981987][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 276.991987][ T9602] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 277.014906][ T9597] device veth0_macvtap entered promiscuous mode [ 277.039292][ T9597] device veth1_macvtap entered promiscuous mode [ 277.050458][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 277.060742][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 277.069910][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 277.078777][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 277.135197][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 277.145926][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 277.154786][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 277.164007][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 277.173051][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 277.181484][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 277.190443][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 277.199677][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 277.227607][ T9600] device veth0_vlan entered promiscuous mode [ 277.235783][ T9607] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 277.247576][ T9607] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 277.262879][ T9610] 8021q: adding VLAN 0 to HW filter on device bond0 [ 277.272294][ T9597] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 277.284293][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 277.292648][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 277.300683][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 277.309757][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 277.318848][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 277.327897][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 277.336086][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 277.344979][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 277.353901][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 277.362174][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 277.388754][ T9597] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 277.403627][ T9600] device veth1_vlan entered promiscuous mode [ 277.411310][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 277.420367][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 277.429131][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 277.437363][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 277.445524][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 277.454220][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 277.462958][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 277.472902][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 277.481249][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 277.489328][ T9602] device veth0_vlan entered promiscuous mode [ 277.496092][ T9605] device veth0_vlan entered promiscuous mode [ 277.535372][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 277.543394][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 277.554927][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 277.563440][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 277.582712][ T9602] device veth1_vlan entered promiscuous mode [ 277.612780][ T9605] device veth1_vlan entered promiscuous mode [ 277.633291][ T9610] 8021q: adding VLAN 0 to HW filter on device team0 [ 277.704226][ T9600] device veth0_macvtap entered promiscuous mode 16:26:41 executing program 0: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000001440)={0x2, 0x4e23, @multicast2}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x2200cf7d, &(0x7f0000e68000)={0x2, 0x4e23}, 0x10) sendmsg$inet(r0, &(0x7f0000001400)={0x0, 0x0, &(0x7f0000001500)=[{&(0x7f0000001480)='@', 0x1}], 0x1}, 0x140008c9) recvmsg(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x3) [ 277.781301][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 277.791201][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 277.805598][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 277.821794][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready 16:26:41 executing program 0: r0 = io_uring_setup(0x64, &(0x7f0000000040)) io_uring_register$IORING_REGISTER_FILES(r0, 0x2, &(0x7f0000000180)=[0xffffffffffffffff], 0x300) [ 277.841201][ T2827] bridge0: port 1(bridge_slave_0) entered blocking state [ 277.848351][ T2827] bridge0: port 1(bridge_slave_0) entered forwarding state [ 277.857228][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 277.866077][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 277.905487][ T9607] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 277.927451][ T9605] device veth0_macvtap entered promiscuous mode [ 277.934978][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 277.944694][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 277.963045][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 277.983400][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 277.993216][ T2827] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 278.001783][ T2827] bridge0: port 2(bridge_slave_1) entered blocking state [ 278.008927][ T2827] bridge0: port 2(bridge_slave_1) entered forwarding state [ 278.020270][ T9600] device veth1_macvtap entered promiscuous mode [ 278.038515][ T2703] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 278.046969][ T2703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 278.059638][ T9605] device veth1_macvtap entered promiscuous mode [ 278.076031][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 278.093869][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 278.116570][ T9602] device veth0_macvtap entered promiscuous mode [ 278.127622][ T9623] ------------[ cut here ]------------ [ 278.133204][ T9623] ODEBUG: free active (active state 0) object type: work_struct hint: io_ring_file_ref_switch+0x0/0xac0 [ 278.144809][ T9623] WARNING: CPU: 0 PID: 9623 at lib/debugobjects.c:481 debug_print_object+0x168/0x250 [ 278.151213][ T9610] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 278.154376][ T9623] Kernel panic - not syncing: panic_on_warn set ... [ 278.164846][ T9610] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 278.171385][ T9623] CPU: 0 PID: 9623 Comm: syz-executor.0 Not tainted 5.5.0-rc6-next-20200116-syzkaller #0 [ 278.171393][ T9623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 278.171399][ T9623] Call Trace: [ 278.171599][ T9623] dump_stack+0x197/0x210 [ 278.171625][ T9623] ? debug_print_object+0x100/0x250 [ 278.205184][ T9610] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 278.205319][ T9623] panic+0x2e3/0x75c [ 278.225635][ T9623] ? add_taint.cold+0x16/0x16 [ 278.230391][ T9623] ? __kasan_check_write+0x14/0x20 [ 278.235524][ T9623] ? __warn.cold+0x14/0x3e [ 278.240004][ T9623] ? __warn+0xd9/0x1cf [ 278.244099][ T9623] ? debug_print_object+0x168/0x250 [ 278.249307][ T9623] __warn.cold+0x2f/0x3e [ 278.253562][ T9623] ? debug_print_object+0x168/0x250 [ 278.261374][ T9623] report_bug+0x289/0x300 [ 278.265799][ T9623] do_error_trap+0x11b/0x200 [ 278.270405][ T9623] do_invalid_op+0x37/0x50 [ 278.274827][ T9623] ? debug_print_object+0x168/0x250 [ 278.280098][ T9623] invalid_op+0x23/0x30 [ 278.284266][ T9623] RIP: 0010:debug_print_object+0x168/0x250 [ 278.288553][ T9607] device veth0_vlan entered promiscuous mode [ 278.290067][ T9623] Code: dd 00 d4 91 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd 00 d4 91 88 48 c7 c7 60 c9 91 88 e8 57 9c a1 fd <0f> 0b 83 05 e3 13 01 07 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 [ 278.290082][ T9623] RSP: 0018:ffffc90004557c30 EFLAGS: 00010082 [ 278.307540][ T9607] device veth1_vlan entered promiscuous mode [ 278.315718][ T9623] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 278.315726][ T9623] RDX: 0000000000000000 RSI: ffffffff815eb7c6 RDI: fffff520008aaf78 [ 278.315743][ T9623] RBP: ffffc90004557c70 R08: ffff888051be4180 R09: fffffbfff1374a91 [ 278.315752][ T9623] R10: fffffbfff1374a90 R11: ffffffff89ba5483 R12: 0000000000000001 [ 278.346845][ T9607] device veth0_macvtap entered promiscuous mode [ 278.351745][ T9623] R13: ffffffff89b7e460 R14: ffffffff814c81f0 R15: ffff888095984230 [ 278.351832][ T9623] ? __exit_umh+0x2e0/0x2e0 [ 278.364783][ T9607] device veth1_macvtap entered promiscuous mode [ 278.366257][ T9623] ? vprintk_func+0x86/0x189 [ 278.366287][ T9623] debug_check_no_obj_freed+0x2d4/0x43f [ 278.390060][ T9607] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 278.395586][ T9623] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 278.405958][ T9607] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 278.411480][ T9623] kfree+0xf8/0x2c0 [ 278.411501][ T9623] io_sqe_files_unregister+0x3b1/0x6c0 [ 278.411530][ T9623] io_ring_ctx_wait_and_kill+0x430/0x9a0 [ 278.423370][ T9607] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 278.425169][ T9623] ? __sanitizer_cov_trace_cmp8+0x10/0x20 [ 278.434635][ T9607] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 278.436299][ T9623] io_uring_release+0x42/0x50 [ 278.436365][ T9623] __fput+0x2ff/0x890 [ 278.436404][ T9623] ? io_ring_ctx_wait_and_kill+0x9a0/0x9a0 [ 278.443724][ T9607] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 278.449277][ T9623] ____fput+0x16/0x20 [ 278.449340][ T9623] task_work_run+0x145/0x1c0 [ 278.449405][ T9623] exit_to_usermode_loop+0x316/0x380 [ 278.463005][ T9607] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 278.464644][ T9623] do_syscall_64+0x676/0x790 [ 278.492845][ T9602] device veth1_macvtap entered promiscuous mode [ 278.498047][ T9623] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 278.498058][ T9623] RIP: 0033:0x414ee1 [ 278.498072][ T9623] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 278.498088][ T9623] RSP: 002b:00007ffc11aacc20 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 278.519599][ T9602] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 278.522139][ T9623] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000414ee1 [ 278.522154][ T9623] RDX: 0000001b33820000 RSI: 0000000000000000 RDI: 0000000000000003 [ 278.526029][ T9602] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 278.545624][ T9623] RBP: 0000000000000001 R08: 00000000f7cdcd26 R09: 00000000f7cdcd2a [ 278.545633][ T9623] R10: 00007ffc11aacd00 R11: 0000000000000293 R12: 000000000075c9a0 [ 278.545640][ T9623] R13: 000000000075c9a0 R14: 0000000000760568 R15: 000000000075bf2c [ 278.555611][ T9623] Kernel Offset: disabled [ 278.620056][ T9623] Rebooting in 86400 seconds..