[ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.207' (ECDSA) to the list of known hosts. 2020/06/09 20:53:44 fuzzer started 2020/06/09 20:53:44 dialing manager at 10.128.0.105:35435 2020/06/09 20:53:44 syscalls: 3055 2020/06/09 20:53:44 code coverage: enabled 2020/06/09 20:53:44 comparison tracing: enabled 2020/06/09 20:53:44 extra coverage: enabled 2020/06/09 20:53:44 setuid sandbox: enabled 2020/06/09 20:53:44 namespace sandbox: enabled 2020/06/09 20:53:44 Android sandbox: /sys/fs/selinux/policy does not exist 2020/06/09 20:53:44 fault injection: enabled 2020/06/09 20:53:44 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/06/09 20:53:44 net packet injection: enabled 2020/06/09 20:53:44 net device setup: enabled 2020/06/09 20:53:44 concurrency sanitizer: enabled 2020/06/09 20:53:44 devlink PCI setup: PCI device 0000:00:10.0 is not available 2020/06/09 20:53:44 USB emulation: enabled syzkaller login: [ 56.818982][ T8896] KCSAN: could not find function: '_find_next_bit' 2020/06/09 20:53:49 adding functions to KCSAN blacklist: 'do_nanosleep' 'kcm_rfree' 'io_sq_thread' 'add_timer' 'xas_clear_mark' 'kauditd_thread' 'run_timer_softirq' 'wbt_done' 'do_wait' '__add_to_page_cache_locked' 'futex_wait_queue_me' 'generic_fillattr' 'emulator_read_write_onepage' 'ktime_get_real_seconds' 'ep_poll' 'find_get_pages_range_tag' 'complete_signal' 'do_exit' 'file_update_time' 'ext4_da_write_end' 'copy_process' 'tick_sched_do_timer' 'echo_char' 'iput' 'ext4_free_inodes_count' 'vfs_fsync_range' 'do_signal_stop' 'xas_find_marked' 'ktime_get_ts64' 'generic_write_end' 'page_counter_charge' 'pcpu_alloc' 'fsnotify' 'ext4_mark_iloc_dirty' '__snd_rawmidi_transmit_ack' 'ext4_setattr' 'blk_mq_dispatch_rq_list' '__filemap_fdatawrite_range' 'ext4_mb_find_by_goal' '__ext4_new_inode' '_find_next_bit' 'do_syslog' 'mod_timer' 'tick_nohz_idle_stop_tick' 20:57:14 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r2 = fcntl$dupfd(r0, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) clone(0x2000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$IP6T_SO_SET_REPLACE(r3, 0x29, 0x40, &(0x7f0000000580)=@raw={'raw\x00', 0x3c1, 0x3, 0x430, 0x0, 0x0, 0x0, 0x0, 0x0, 0x360, 0x360, 0x360, 0x360, 0x360, 0x3, 0x0, {[{{@ipv6={@remote, @mcast2, [], [], 'veth1_to_bond\x00', 'netpci0\x00'}, 0x0, 0x250, 0x278, 0x0, {}, [@common=@inet=@hashlimit2={{0x150, 'hashlimit\x00'}, {'veth1_to_hsr\x00', {0x0, 0x0, 0x22c, 0x0, 0x0, 0x1ab618fe, 0x800}}}, @common=@inet=@hashlimit1={{0x58, 'hashlimit\x00'}, {'syzkaller1\x00'}}]}, @common=@inet=@TCPMSS={0x28, 'TCPMSS\x00'}}, {{@uncond, 0x0, 0xa8, 0xe8}, @common=@inet=@TCPOPTSTRIP={0x40, 'TCPOPTSTRIP\x00'}}], {{[], 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x278a0d2977943b20) [ 261.614207][ T8898] IPVS: ftp: loaded support on port[0] = 21 [ 261.687288][ T8898] chnl_net:caif_netlink_parms(): no params data found 20:57:14 executing program 1: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x220007fd, &(0x7f0000000000)={0x2, 0x4e23, @local}, 0x10) r1 = socket$inet_udplite(0x2, 0x2, 0x88) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) setsockopt$IPT_SO_SET_REPLACE(r1, 0x0, 0x40, &(0x7f0000000440)=@mangle={'mangle\x00', 0x1f, 0x6, 0x3f0, 0x98, 0x98, 0x98, 0x0, 0x98, 0x358, 0x358, 0x358, 0x358, 0x358, 0x6, 0x0, {[{{@ip={@dev, @multicast2, 0x0, 0x0, 'netdevsim0\x00', 'veth1\x00'}, 0x0, 0x70, 0x98}, @TTL={0x28, 'TTL\x00'}}, {{@ip={@local, @loopback, 0x0, 0x0, 'ip_vti0\x00', 'caif0\x00'}, 0x0, 0x70, 0x98}, @common=@unspec=@STANDARD={0x28, '\x00', 0x0, 0xfffffffffffffffb}}, {{@uncond, 0x0, 0x70, 0x98}, @unspec=@CHECKSUM={0x28, 'CHECKSUM\x00'}}, {{@ip={@multicast1, @multicast1, 0x0, 0x0, 'bond_slave_1\x00', 'netdevsim0\x00'}, 0x0, 0x70, 0x98}, @unspec=@CHECKSUM={0x28, 'CHECKSUM\x00'}}, {{@ip={@initdev={0xac, 0x1e, 0x0, 0x0}, @rand_addr, 0x0, 0x0, 'macvtap0\x00', 'tunl0\x00', {}, {}, 0x6c}, 0x0, 0xd0, 0xf8, 0x0, {}, [@common=@inet=@ipcomp={{0x30, 'ipcomp\x00'}}, @common=@addrtype={{0x30, 'addrtype\x00'}}]}, @ECN={0x28, 'ECN\x00'}}], {{[], 0x0, 0x70, 0x98}, {0x28}}}}, 0x450) sendto$inet(r0, &(0x7f0000000200)="c6cd0d82934d05a70000004e5024757fe49c1fc67b393808807e5427669fd7b250b8151f8a5d9f910a370310d6", 0x2d, 0x0, 0x0, 0x0) [ 261.732972][ T8898] bridge0: port 1(bridge_slave_0) entered blocking state [ 261.740533][ T8898] bridge0: port 1(bridge_slave_0) entered disabled state [ 261.748246][ T8898] device bridge_slave_0 entered promiscuous mode [ 261.756610][ T8898] bridge0: port 2(bridge_slave_1) entered blocking state [ 261.763968][ T8898] bridge0: port 2(bridge_slave_1) entered disabled state [ 261.771758][ T8898] device bridge_slave_1 entered promiscuous mode [ 261.790823][ T8898] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 261.802473][ T8898] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 261.822600][ T8898] team0: Port device team_slave_0 added [ 261.829939][ T8898] team0: Port device team_slave_1 added [ 261.847725][ T8898] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 261.855225][ T8898] 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. [ 261.881319][ T8898] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 261.894170][ T8898] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 261.901236][ T8898] 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. [ 261.927266][ T8898] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 261.986250][ T8898] device hsr_slave_0 entered promiscuous mode [ 262.004530][ T8898] device hsr_slave_1 entered promiscuous mode 20:57:15 executing program 2: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x220007fd, &(0x7f0000000000)={0x2, 0x4e23, @local}, 0x10) r1 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$IPT_SO_SET_REPLACE(r1, 0x0, 0x40, &(0x7f0000000440)=@mangle={'mangle\x00', 0x1f, 0x6, 0x3f0, 0x98, 0x98, 0x98, 0x0, 0x98, 0x358, 0x358, 0x358, 0x358, 0x358, 0x6, 0x0, {[{{@ip={@dev, @multicast2, 0x0, 0x0, 'netdevsim0\x00', 'veth1\x00'}, 0x0, 0x70, 0x98}, @TTL={0x28, 'TTL\x00'}}, {{@ip={@local, @loopback, 0x0, 0x0, 'ip_vti0\x00', 'caif0\x00'}, 0x0, 0x70, 0x98}, @common=@unspec=@STANDARD={0x28, '\x00', 0x0, 0xfffffffffffffffb}}, {{@uncond, 0x0, 0x70, 0x98}, @unspec=@CHECKSUM={0x28, 'CHECKSUM\x00'}}, {{@ip={@multicast1, @multicast1, 0x0, 0x0, 'bond_slave_1\x00', 'netdevsim0\x00'}, 0x0, 0x70, 0x98}, @unspec=@CHECKSUM={0x28, 'CHECKSUM\x00'}}, {{@ip={@initdev={0xac, 0x1e, 0x0, 0x0}, @rand_addr, 0x0, 0x0, 'macvtap0\x00', 'tunl0\x00', {}, {}, 0x6c}, 0x0, 0xd0, 0xf8, 0x0, {}, [@common=@inet=@ipcomp={{0x30, 'ipcomp\x00'}}, @common=@addrtype={{0x30, 'addrtype\x00'}}]}, @ECN={0x28, 'ECN\x00'}}], {{[], 0x0, 0x70, 0x98}, {0x28}}}}, 0x450) sendto$inet(r0, &(0x7f0000000200)="c6cd0d82934d05a70000004e5024757fe49c1fc67b393808807e5427669fd7b250b8151f8a5d9f910a370310d6b468081bd43f76eb943f80", 0xfffffffffffffee9, 0x840, 0x0, 0x0) [ 262.050710][ T9060] IPVS: ftp: loaded support on port[0] = 21 [ 262.191990][ T8898] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 262.231441][ T9060] chnl_net:caif_netlink_parms(): no params data found [ 262.240967][ T8898] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 262.277161][ T8898] netdevsim netdevsim0 netdevsim2: renamed from eth2 20:57:15 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x7, 0x101800) ioctl$BLKRAGET(r0, 0x1263, &(0x7f0000000100)) [ 262.319919][ T9208] IPVS: ftp: loaded support on port[0] = 21 [ 262.331195][ T8898] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 262.420382][ T8898] bridge0: port 2(bridge_slave_1) entered blocking state [ 262.427546][ T8898] bridge0: port 2(bridge_slave_1) entered forwarding state [ 262.434858][ T8898] bridge0: port 1(bridge_slave_0) entered blocking state [ 262.441888][ T8898] bridge0: port 1(bridge_slave_0) entered forwarding state [ 262.477650][ T9060] bridge0: port 1(bridge_slave_0) entered blocking state [ 262.488012][ T9060] bridge0: port 1(bridge_slave_0) entered disabled state [ 262.505898][ T9060] device bridge_slave_0 entered promiscuous mode [ 262.538818][ T9261] IPVS: ftp: loaded support on port[0] = 21 [ 262.566980][ T9060] bridge0: port 2(bridge_slave_1) entered blocking state [ 262.574013][ T9060] bridge0: port 2(bridge_slave_1) entered disabled state [ 262.582273][ T9060] device bridge_slave_1 entered promiscuous mode [ 262.613576][ T9060] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 262.636365][ T9208] chnl_net:caif_netlink_parms(): no params data found [ 262.676685][ T9060] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 262.696037][ T4136] bridge0: port 1(bridge_slave_0) entered disabled state [ 262.705824][ T4136] bridge0: port 2(bridge_slave_1) entered disabled state 20:57:15 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/igmp6\x00') r1 = socket$inet6(0xa, 0x800000000000002, 0x0) setsockopt$inet6_mtu(r1, 0x29, 0x17, &(0x7f0000000080)=0x5, 0x4) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x0, 0x0, @local, 0x2}, 0x1c) sendfile(r1, r0, 0x0, 0xedc0) [ 262.765562][ T8898] 8021q: adding VLAN 0 to HW filter on device bond0 [ 262.786766][ T9060] team0: Port device team_slave_0 added [ 262.807141][ T9060] team0: Port device team_slave_1 added [ 262.812804][ T9208] bridge0: port 1(bridge_slave_0) entered blocking state [ 262.821155][ T9208] bridge0: port 1(bridge_slave_0) entered disabled state [ 262.830801][ T9208] device bridge_slave_0 entered promiscuous mode [ 262.839996][ T9208] bridge0: port 2(bridge_slave_1) entered blocking state [ 262.849558][ T9208] bridge0: port 2(bridge_slave_1) entered disabled state [ 262.857901][ T9208] device bridge_slave_1 entered promiscuous mode [ 262.880876][ T8898] 8021q: adding VLAN 0 to HW filter on device team0 [ 262.926787][ T4957] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 262.944430][ T4957] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 262.964970][ T9060] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 262.971927][ T9060] 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. [ 263.006080][ T9060] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 263.024906][ T9208] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 263.047215][ T9459] IPVS: ftp: loaded support on port[0] = 21 [ 263.057871][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 263.066974][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 263.076369][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 263.083427][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 263.093464][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 263.102587][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 263.111110][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 263.118207][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 263.126408][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 263.135614][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 263.144844][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 263.153635][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 263.162583][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready 20:57:16 executing program 5: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000003, 0x8031, 0xffffffffffffffff, 0x0) getrandom(&(0x7f0000000080)=""/44, 0xf8dce77545f3ac9f, 0x0) r0 = memfd_create(&(0x7f0000000340)='\x00', 0x0) r1 = dup(r0) clone(0x2182001ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) remap_file_pages(&(0x7f00001e3000/0x3000)=nil, 0x3000, 0x0, 0x0, 0x0) execveat(r1, &(0x7f00000000c0)='\x00', &(0x7f00000002c0), 0x0, 0x1000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) [ 263.171942][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 263.185364][ T9060] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 263.192373][ T9060] 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. [ 263.220320][ T9060] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 263.233513][ T9208] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 263.257527][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 263.268358][ T9261] chnl_net:caif_netlink_parms(): no params data found [ 263.322363][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 263.332016][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 263.341925][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 263.353255][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 263.374791][ T8898] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 263.401495][ T9208] team0: Port device team_slave_0 added [ 263.456354][ T9060] device hsr_slave_0 entered promiscuous mode [ 263.514479][ T9060] device hsr_slave_1 entered promiscuous mode [ 263.554082][ T9060] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 263.561706][ T9060] Cannot create hsr debugfs directory [ 263.588264][ T9208] team0: Port device team_slave_1 added [ 263.638276][ T9261] bridge0: port 1(bridge_slave_0) entered blocking state [ 263.638580][ T9540] IPVS: ftp: loaded support on port[0] = 21 [ 263.646426][ T9261] bridge0: port 1(bridge_slave_0) entered disabled state [ 263.660496][ T9261] device bridge_slave_0 entered promiscuous mode [ 263.672979][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 263.680672][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 263.694914][ T9261] bridge0: port 2(bridge_slave_1) entered blocking state [ 263.701953][ T9261] bridge0: port 2(bridge_slave_1) entered disabled state [ 263.711895][ T9261] device bridge_slave_1 entered promiscuous mode [ 263.732322][ T9208] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 263.739622][ T9208] 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. [ 263.766353][ T9208] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 263.779844][ T9208] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 263.787249][ T9208] 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. [ 263.818587][ T9208] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 263.831048][ T9261] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 263.843287][ T9261] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 263.860559][ T8898] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 263.867916][ T9459] chnl_net:caif_netlink_parms(): no params data found [ 263.935860][ T9208] device hsr_slave_0 entered promiscuous mode [ 263.994521][ T9208] device hsr_slave_1 entered promiscuous mode [ 264.054062][ T9208] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 264.062492][ T9208] Cannot create hsr debugfs directory [ 264.095769][ T9261] team0: Port device team_slave_0 added [ 264.131095][ T9261] team0: Port device team_slave_1 added [ 264.155736][ T9060] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 264.214595][ T9459] bridge0: port 1(bridge_slave_0) entered blocking state [ 264.221647][ T9459] bridge0: port 1(bridge_slave_0) entered disabled state [ 264.230416][ T9459] device bridge_slave_0 entered promiscuous mode [ 264.238134][ T9060] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 264.297852][ T9060] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 264.349066][ T9060] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 264.406605][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 264.415662][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 264.426465][ T9459] bridge0: port 2(bridge_slave_1) entered blocking state [ 264.433505][ T9459] bridge0: port 2(bridge_slave_1) entered disabled state [ 264.441830][ T9459] device bridge_slave_1 entered promiscuous mode [ 264.456644][ T9261] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 264.463605][ T9261] 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. [ 264.490006][ T9261] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 264.509328][ T8898] device veth0_vlan entered promiscuous mode [ 264.525338][ T9261] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 264.532328][ T9261] 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. [ 264.559150][ T9261] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 264.570902][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 264.579167][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 264.588550][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 264.596461][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 264.617899][ T9459] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 264.646765][ T9208] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 264.667463][ T9459] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 264.736429][ T9261] device hsr_slave_0 entered promiscuous mode [ 264.784211][ T9261] device hsr_slave_1 entered promiscuous mode [ 264.823941][ T9261] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 264.831513][ T9261] Cannot create hsr debugfs directory [ 264.837535][ T9208] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 264.921499][ T9459] team0: Port device team_slave_0 added [ 264.929634][ T9459] team0: Port device team_slave_1 added [ 264.947159][ T9208] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 264.995767][ T9540] chnl_net:caif_netlink_parms(): no params data found [ 265.010978][ T8898] device veth1_vlan entered promiscuous mode [ 265.027270][ T9208] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 265.077642][ T9459] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 265.084837][ T9459] 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. [ 265.111860][ T9459] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 265.126131][ T9459] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 265.133082][ T9459] 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. [ 265.159539][ T9459] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 265.258080][ T9459] device hsr_slave_0 entered promiscuous mode [ 265.304090][ T9459] device hsr_slave_1 entered promiscuous mode [ 265.343786][ T9459] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 265.351353][ T9459] Cannot create hsr debugfs directory [ 265.378328][ T9261] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 265.434435][ T9540] bridge0: port 1(bridge_slave_0) entered blocking state [ 265.441498][ T9540] bridge0: port 1(bridge_slave_0) entered disabled state [ 265.449356][ T9540] device bridge_slave_0 entered promiscuous mode [ 265.458497][ T9540] bridge0: port 2(bridge_slave_1) entered blocking state [ 265.466009][ T9540] bridge0: port 2(bridge_slave_1) entered disabled state [ 265.473712][ T9540] device bridge_slave_1 entered promiscuous mode [ 265.490756][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 265.499351][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 265.508070][ T9261] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 265.557938][ T9261] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 265.616360][ T9261] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 265.679450][ T9540] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 265.692471][ T8898] device veth0_macvtap entered promiscuous mode [ 265.722982][ T9060] 8021q: adding VLAN 0 to HW filter on device bond0 [ 265.731108][ T9540] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 265.758482][ T8898] device veth1_macvtap entered promiscuous mode [ 265.781605][ T9540] team0: Port device team_slave_0 added [ 265.798042][ T9060] 8021q: adding VLAN 0 to HW filter on device team0 [ 265.806794][ T9540] team0: Port device team_slave_1 added [ 265.821284][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 265.829765][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 265.839249][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 265.847403][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 265.864640][ T9540] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 265.871610][ T9540] 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. [ 265.898607][ T9540] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 265.911065][ T9540] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 265.918345][ T9540] 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. [ 265.944698][ T9540] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 265.956500][ T9459] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 265.985852][ T9459] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 266.027554][ T9459] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 266.095078][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 266.105098][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 266.114830][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 266.121844][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 266.185689][ T9540] device hsr_slave_0 entered promiscuous mode [ 266.233908][ T9540] device hsr_slave_1 entered promiscuous mode [ 266.273633][ T9540] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 266.281388][ T9540] Cannot create hsr debugfs directory [ 266.289316][ T9459] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 266.336587][ T8898] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 266.354082][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 266.362375][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 266.371195][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 266.410189][ T8898] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 266.418931][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 266.429614][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 266.438561][ T4136] bridge0: port 2(bridge_slave_1) entered blocking state [ 266.445618][ T4136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 266.453397][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 266.462358][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 266.471149][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 266.480044][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 266.493286][ T9208] 8021q: adding VLAN 0 to HW filter on device bond0 [ 266.509803][ T9261] 8021q: adding VLAN 0 to HW filter on device bond0 [ 266.542359][ T9208] 8021q: adding VLAN 0 to HW filter on device team0 [ 266.549513][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 266.557386][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 266.565272][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 266.572799][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 266.582344][ T9261] 8021q: adding VLAN 0 to HW filter on device team0 [ 266.597954][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 266.607128][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 266.616441][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 266.696714][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 266.707704][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 266.716602][ T4150] bridge0: port 1(bridge_slave_0) entered blocking state [ 266.723669][ T4150] bridge0: port 1(bridge_slave_0) entered forwarding state [ 266.731659][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 266.740617][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 266.749371][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 266.758042][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 266.766538][ T4150] bridge0: port 2(bridge_slave_1) entered blocking state [ 266.774555][ T4150] bridge0: port 2(bridge_slave_1) entered forwarding state [ 266.782327][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 266.790891][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 266.799160][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 266.808067][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 266.816669][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 266.825407][ T4150] bridge0: port 1(bridge_slave_0) entered blocking state [ 266.832429][ T4150] bridge0: port 1(bridge_slave_0) entered forwarding state [ 266.840750][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 266.849714][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 266.858371][ T4150] bridge0: port 2(bridge_slave_1) entered blocking state [ 266.865536][ T4150] bridge0: port 2(bridge_slave_1) entered forwarding state [ 266.873311][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 266.882654][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 266.890613][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 266.909981][ T9540] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 267.006718][ T9540] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 267.056502][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 267.066990][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 267.078281][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 267.091492][ T9060] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 267.146816][ T9540] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 267.206037][ T9540] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 267.259369][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 267.269548][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 267.278700][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 267.289681][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 267.298918][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 267.309448][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 267.318673][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 267.330132][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 267.339222][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 267.400711][ T9208] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 267.414681][ T9208] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 267.441643][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 267.449819][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 267.458913][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 267.469101][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 267.482925][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready 20:57:20 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_tcp_buf(r0, 0x6, 0x1a, 0x0, &(0x7f0000000080)) [ 267.492547][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 267.501644][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 267.510143][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 267.531515][ T9459] 8021q: adding VLAN 0 to HW filter on device bond0 20:57:20 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000fbe000)={0x2, &(0x7f00000000c0)=[{0x28, 0x0, 0x0, 0xfffff034}, {0x80000006}]}, 0x10) syz_emit_ethernet(0xcd, &(0x7f00000002c0)=ANY=[@ANYBLOB="aaaaaaaaaaaa506f52ccbdb30800450000bf000000000006"], 0x0) [ 267.542434][T10156] xt_hashlimit: Unknown mode mask 22C, kernel too old? [ 267.552224][ T9060] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 267.562776][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 267.593868][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 267.633625][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 267.644453][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 267.656764][ T9261] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 267.673207][ T9261] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready 20:57:20 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/unix\x00') read$FUSE(r0, 0x0, 0x9a) [ 267.696427][ T9208] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 267.708425][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 267.718291][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready 20:57:20 executing program 0: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000140)=[{0x200000000006, 0x0, 0x0, 0xfffffffb}]}) accept4$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0) [ 267.766542][ T9459] 8021q: adding VLAN 0 to HW filter on device team0 [ 267.778359][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 267.786906][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 267.794922][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 267.804001][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 267.838278][ T9060] device veth0_vlan entered promiscuous mode [ 267.873679][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 267.883669][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 267.892081][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 267.901282][ T27] audit: type=1326 audit(1591736240.809:2): auid=0 uid=0 gid=0 ses=4 subj==unconfined pid=10168 comm="syz-executor.0" exe="/root/syz-executor.0" sig=31 arch=c000003e syscall=228 compat=0 ip=0x45f8aa code=0xffff0000 [ 267.923690][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 267.935080][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 267.952784][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 267.970172][ T4136] bridge0: port 1(bridge_slave_0) entered blocking state [ 267.977274][ T4136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 267.994245][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 268.002844][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 268.011830][ T4136] bridge0: port 2(bridge_slave_1) entered blocking state [ 268.018905][ T4136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 268.029896][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 268.041268][ T9261] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 268.058232][ T9060] device veth1_vlan entered promiscuous mode [ 268.073654][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 268.081590][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 268.090610][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 268.099021][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 268.107263][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 268.116298][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 268.124917][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 268.143606][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 268.152022][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 268.160718][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 268.183334][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 268.191267][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 268.200505][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 268.209888][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 268.218618][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 268.227175][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 268.236060][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 268.264044][ T9459] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 268.281074][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 268.290297][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 268.323882][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 268.332218][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 268.341799][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 268.350607][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 268.359936][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 268.368289][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 268.377389][ T9208] device veth0_vlan entered promiscuous mode [ 268.388847][ T9540] 8021q: adding VLAN 0 to HW filter on device bond0 [ 268.401030][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 268.409521][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 268.417677][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 268.426294][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 268.436226][ T9060] device veth0_macvtap entered promiscuous mode [ 268.444096][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 268.452615][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 268.463595][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 268.474038][ T9261] device veth0_vlan entered promiscuous mode [ 268.484779][ T9208] device veth1_vlan entered promiscuous mode [ 268.493943][ T9459] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 268.514667][ T9540] 8021q: adding VLAN 0 to HW filter on device team0 [ 268.524535][ T9261] device veth1_vlan entered promiscuous mode [ 268.533400][ T9060] device veth1_macvtap entered promiscuous mode [ 268.541951][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 268.552005][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 268.560179][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 268.573604][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 268.581184][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 268.614158][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 268.622077][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 268.633622][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 268.642280][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 268.650701][ T9415] bridge0: port 1(bridge_slave_0) entered blocking state [ 268.657965][ T9415] bridge0: port 1(bridge_slave_0) entered forwarding state [ 268.666075][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 268.674847][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 268.683069][ T9415] bridge0: port 2(bridge_slave_1) entered blocking state [ 268.690141][ T9415] bridge0: port 2(bridge_slave_1) entered forwarding state [ 268.698245][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 268.713473][ T9060] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 20:57:21 executing program 0: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000040)=[{0x200000000006, 0x0, 0x0, 0x7ffffffb}]}) timerfd_create(0x0, 0x0) [ 268.724250][ T9060] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 268.735490][ T9060] batman_adv: batadv0: Interface activated: batadv_slave_0 20:57:21 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000fbe000)={0x2, &(0x7f00000000c0)=[{0x28, 0x0, 0x0, 0xfffff034}, {0x80000006}]}, 0x10) syz_emit_ethernet(0x2f, &(0x7f0000000000)={@multicast, @random, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x21, 0x0, 0x0, 0x0, 0x6, 0x0, @local, @dev}, {0x0, 0x0, 0xd, 0x0, @gue={{0x1, 0x0, 0x0, 0x0, 0x0, @void}, '4'}}}}}}, 0x0) [ 268.766519][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 268.785469][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 268.806816][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 268.833731][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 268.842319][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 268.863800][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 268.872510][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 268.903882][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 268.912692][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 268.943726][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 268.954611][ T9261] device veth0_macvtap entered promiscuous mode [ 268.975912][ T9060] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 268.986970][ T9060] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 268.998669][ T9060] batman_adv: batadv0: Interface activated: batadv_slave_1 20:57:22 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000000180)='net/softnet_stat\x00') socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) dup2(r2, r0) [ 269.033437][ T9504] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 269.041628][ T9504] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 269.051899][ T9504] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 269.062918][ T9504] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 269.071727][ T9504] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 269.080711][ T9504] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 269.091112][ T9504] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 269.100101][ T9504] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 269.108851][ T9504] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 269.133676][ T9504] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 269.141837][ T9504] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 269.163943][ T9504] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 269.173429][ T9261] device veth1_macvtap entered promiscuous mode [ 269.186181][ T9208] device veth0_macvtap entered promiscuous mode [ 269.197224][ T9540] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 269.221540][ T9208] device veth1_macvtap entered promiscuous mode [ 269.258729][ T9261] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 269.274156][ T9261] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 269.284949][ T9261] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 269.297341][ T9261] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 269.308895][ T9261] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 269.321644][ T9261] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 269.333606][ T9261] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 269.344264][ T9261] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 269.354955][ T9261] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 269.366435][ T9261] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 269.379327][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 269.389945][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 269.398307][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 269.406995][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 269.415989][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 269.424997][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 269.433958][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 269.595576][ T9504] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 269.602970][ T9504] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 269.633595][ T9504] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 269.641762][ T9504] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 269.664297][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 269.672253][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 269.686437][ T9208] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 269.697449][ T9208] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 269.700668][T10197] x_tables: duplicate underflow at hook 1 [ 269.709910][ T9208] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 269.726275][ T9208] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 269.737933][ T9208] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 269.750774][ T9208] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 269.761798][ T9208] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 269.771878][ T9459] device veth0_vlan entered promiscuous mode [ 269.784692][T10196] x_tables: duplicate underflow at hook 1 20:57:22 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0xa, 0x8d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) socket$inet6(0xa, 0x2, 0x0) pipe(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) write(r2, &(0x7f0000000340), 0x41395527) vmsplice(r1, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x38, 0x2, 0x1, 0x0, 0x8}, 0x0) r3 = creat(&(0x7f00000002c0)='./bus\x00', 0x0) write$cgroup_type(r3, &(0x7f0000000200)='threaded\x00', 0x175d900f) [ 269.788967][ T9540] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 269.799439][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 269.817293][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 269.831578][ T9208] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 269.842539][ T9208] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 269.855602][ T9208] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 269.866111][ T9208] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 269.878534][ T9208] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 269.896541][ T9208] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 269.908499][ T9208] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 269.945843][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 269.964069][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 269.977017][ T9459] device veth1_vlan entered promiscuous mode [ 270.345312][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 270.356753][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 270.367133][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 270.376276][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 270.391491][ T9459] device veth0_macvtap entered promiscuous mode [ 270.435554][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 270.448643][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 270.460294][ T9459] device veth1_macvtap entered promiscuous mode [ 270.475377][ T4150] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready 20:57:23 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000000180)='net/softnet_stat\x00') socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) dup2(r2, r0) 20:57:23 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_mount_image$iso9660(&(0x7f00000000c0)='iso9660\x00', &(0x7f0000000180)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000001700)={[{@uid={'uid'}}]}) [ 270.491309][T10217] x_tables: duplicate underflow at hook 1 [ 270.504668][T10218] x_tables: duplicate underflow at hook 1 [ 270.509015][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 270.530232][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 270.553788][ T9540] device veth0_vlan entered promiscuous mode [ 270.565574][ T9459] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 270.581748][ T9459] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 270.593516][ T9459] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 270.604580][ T9459] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 270.615489][ T9459] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 270.627050][ T9459] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 270.637814][ T9459] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 270.650621][ T9459] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 270.673960][ T9459] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 270.684491][T10226] ISOFS: Unable to identify CD-ROM format. [ 270.691445][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 270.702225][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 270.710635][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 270.720664][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 270.738639][ T9540] device veth1_vlan entered promiscuous mode [ 270.759143][ T9459] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 270.791104][ T9459] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 270.801663][ T9459] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 270.822826][ T9459] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 270.832691][ T9459] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 270.863014][ T9459] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 270.882852][ T9459] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 270.915717][ T9459] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 270.927932][ T9459] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 270.962283][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 270.973524][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 270.991349][ T4136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 20:57:24 executing program 4: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000140)=[{0x200000000006, 0x0, 0x0, 0xfffffffb}]}) r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_HOPOPTS(r0, 0x29, 0x36, 0x0, 0x0) [ 271.202855][ T9540] device veth0_macvtap entered promiscuous mode [ 271.210009][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 271.223395][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 271.231975][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 271.266696][ T9540] device veth1_macvtap entered promiscuous mode [ 271.274137][ T27] audit: type=1326 audit(1591736244.189:3): auid=0 uid=0 gid=0 ses=4 subj==unconfined pid=10240 comm="syz-executor.4" exe="/root/syz-executor.4" sig=31 arch=c000003e syscall=228 compat=0 ip=0x45f8aa code=0xffff0000 [ 271.295704][ T9540] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 271.309016][ T9540] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 271.320315][ T9540] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 271.342437][ T9540] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 271.367617][ T9540] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 271.387802][ T9540] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 271.397982][ T9540] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 271.408894][ T9540] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 271.419145][ T9540] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 271.429775][ T9540] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 271.441538][ T9540] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 271.449078][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 271.457950][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 271.466152][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 271.474630][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 271.486553][ T9540] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 271.498336][ T9540] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 271.508317][ T9540] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 271.518932][ T9540] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 271.528836][ T9540] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 271.539395][ T9540] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 271.549233][ T9540] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 271.559819][ T9540] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 271.570183][ T9540] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 271.580741][ T9540] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 271.591978][ T9540] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 271.607629][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 271.617038][ T9415] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 272.022079][T10247] mmap: syz-executor.5 (10247) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.rst. [ 272.075906][ T27] audit: type=1326 audit(1591736244.989:4): auid=0 uid=0 gid=0 ses=4 subj==unconfined pid=10240 comm="syz-executor.4" exe="/root/syz-executor.4" sig=31 arch=c000003e syscall=228 compat=0 ip=0x45f8aa code=0xffff0000 [ 272.660909][T10250] ================================================================== [ 272.669025][T10250] BUG: KCSAN: data-race in shmem_add_to_page_cache / shmem_recalc_inode [ 272.677318][T10250] [ 272.679644][T10250] write to 0xffff8880a15c6af8 of 8 bytes by task 10247 on cpu 0: [ 272.687352][T10250] shmem_add_to_page_cache+0x4b0/0x6c0 [ 272.692792][T10250] shmem_getpage_gfp+0x43f/0x16c0 [ 272.697795][T10250] shmem_fault+0x117/0x4b0 [ 272.702190][T10250] __do_fault+0xa8/0x1e0 [ 272.706410][T10250] __handle_mm_fault+0x295c/0x2da0 [ 272.711677][T10250] handle_mm_fault+0x21c/0x540 [ 272.716421][T10250] __get_user_pages+0x533/0x11c0 [ 272.721338][T10250] populate_vma_page_range+0xdc/0x100 [ 272.726868][T10250] __mm_populate+0x168/0x2b0 [ 272.731449][T10250] vm_mmap_pgoff+0x185/0x190 [ 272.736014][T10250] ksys_mmap_pgoff+0x96/0x420 [ 272.740686][T10250] do_syscall_64+0xc7/0x3b0 [ 272.745186][T10250] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 272.751046][T10250] [ 272.753356][T10250] read to 0xffff8880a15c6af8 of 8 bytes by task 10250 on cpu 1: [ 272.760963][T10250] shmem_recalc_inode+0x50/0x180 [ 272.765895][T10250] shmem_getpage_gfp+0x5ca/0x16c0 [ 272.770909][T10250] shmem_fault+0x117/0x4b0 [ 272.775310][T10250] __do_fault+0xa8/0x1e0 [ 272.780066][T10250] __handle_mm_fault+0x27bc/0x2da0 [ 272.785168][T10250] handle_mm_fault+0x21c/0x540 [ 272.789908][T10250] do_page_fault+0x48a/0xa96 [ 272.794475][T10250] page_fault+0x34/0x40 [ 272.798609][T10250] copy_user_enhanced_fast_string+0xe/0x30 [ 272.804405][T10250] _copy_to_user+0x8f/0xb0 [ 272.808802][T10250] urandom_read_nowarn.isra.0+0xa2/0x370 [ 272.814414][T10250] __x64_sys_getrandom+0xdb/0x150 [ 272.819777][T10250] do_syscall_64+0xc7/0x3b0 [ 272.824256][T10250] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 272.830143][T10250] [ 272.832452][T10250] Reported by Kernel Concurrency Sanitizer on: [ 272.838599][T10250] CPU: 1 PID: 10250 Comm: syz-executor.5 Not tainted 5.7.0-rc1-syzkaller #0 [ 272.847240][T10250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 272.857268][T10250] ================================================================== [ 272.865309][T10250] Kernel panic - not syncing: panic_on_warn set ... [ 272.871877][T10250] CPU: 1 PID: 10250 Comm: syz-executor.5 Not tainted 5.7.0-rc1-syzkaller #0 [ 272.880524][T10250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 272.890556][T10250] Call Trace: [ 272.893828][T10250] dump_stack+0x11d/0x187 [ 272.898226][T10250] panic+0x210/0x640 [ 272.902105][T10250] ? vprintk_func+0x89/0x13a [ 272.906692][T10250] kcsan_report.cold+0xc/0x1a [ 272.911351][T10250] kcsan_setup_watchpoint+0x3fb/0x440 [ 272.916800][T10250] shmem_recalc_inode+0x50/0x180 [ 272.921731][T10250] shmem_getpage_gfp+0x5ca/0x16c0 [ 272.926749][T10250] shmem_fault+0x117/0x4b0 [ 272.931172][T10250] ? file_update_time+0x6e/0x2d0 [ 272.936103][T10250] ? balance_dirty_pages_ratelimited+0xb5/0xa20 [ 272.942613][T10250] __do_fault+0xa8/0x1e0 [ 272.946925][T10250] __handle_mm_fault+0x27bc/0x2da0 [ 272.952104][T10250] ? rcu_preempt_need_deferred_qs+0x65/0xb0 [ 272.957979][T10250] handle_mm_fault+0x21c/0x540 [ 272.962722][T10250] do_page_fault+0x48a/0xa96 [ 272.967657][T10250] page_fault+0x34/0x40 [ 272.971992][T10250] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x30 [ 272.978672][T10250] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 89 d1 f3 a4 [ 272.998385][T10250] RSP: 0018:ffffc90000eabe08 EFLAGS: 00010246 [ 273.004440][T10250] RAX: ffff8880b304da58 RBX: 0000000000000040 RCX: 0000000000000040 [ 273.012449][T10250] RDX: 0000000000000040 RSI: ffffc90000eabe70 RDI: 0000000020b20000 [ 273.020425][T10250] RBP: ffffc90000eabe70 R08: 0000000000000000 R09: 00008880b304dbd0 [ 273.028381][T10250] R10: 0000ffffffffffff R11: 00008880b304dbd7 R12: 0000000020b20000 [ 273.036334][T10250] R13: 0000000020b20040 R14: 00007ffffffff000 R15: 0000000000000000 [ 273.044304][T10250] _copy_to_user+0x8f/0xb0 [ 273.048703][T10250] urandom_read_nowarn.isra.0+0xa2/0x370 [ 273.054418][T10250] __x64_sys_getrandom+0xdb/0x150 [ 273.059511][T10250] do_syscall_64+0xc7/0x3b0 [ 273.064087][T10250] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 273.069976][T10250] RIP: 0033:0x45ca69 [ 273.073871][T10250] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 273.093548][T10250] RSP: 002b:00007f38c85dec78 EFLAGS: 00000246 ORIG_RAX: 000000000000013e [ 273.101939][T10250] RAX: ffffffffffffffda RBX: 00000000004dd0c0 RCX: 000000000045ca69 [ 273.109913][T10250] RDX: 0000000000000000 RSI: f8dce77545f3ac9f RDI: 0000000020000080 [ 273.117860][T10250] RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 273.125808][T10250] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 273.133843][T10250] R13: 0000000000000109 R14: 00000000004c3aeb R15: 00007f38c85df6d4 [ 274.241051][T10250] Shutting down cpus with NMI [ 274.246941][T10250] Kernel Offset: disabled [ 274.251305][T10250] Rebooting in 86400 seconds..