[info] Using makefile-style concurrent boot in runlevel 2. [ 50.557855][ T26] audit: type=1800 audit(1581033263.648:21): pid=7878 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2452 res=0 [ 50.624085][ T26] audit: type=1800 audit(1581033263.658:22): pid=7878 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2480 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] 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 '10.128.0.97' (ECDSA) to the list of known hosts. 2020/02/06 23:54:38 fuzzer started 2020/02/06 23:54:39 dialing manager at 10.128.0.105:33727 2020/02/06 23:54:39 checking machine... 2020/02/06 23:54:39 checking revisions... 2020/02/06 23:54:39 testing simple program... syzkaller login: [ 66.967877][ T8049] IPVS: ftp: loaded support on port[0] = 21 2020/02/06 23:54:40 building call list... [ 67.328653][ T518] tipc: TX() has been purged, node left! executing program [ 70.378347][ T8033] can: request_module (can-proto-0) failed. [ 70.390404][ T8033] can: request_module (can-proto-0) failed. [ 70.402153][ T8033] can: request_module (can-proto-0) failed. 2020/02/06 23:54:46 syscalls: 2904 2020/02/06 23:54:46 code coverage: enabled 2020/02/06 23:54:46 comparison tracing: enabled 2020/02/06 23:54:46 extra coverage: enabled 2020/02/06 23:54:46 setuid sandbox: enabled 2020/02/06 23:54:46 namespace sandbox: enabled 2020/02/06 23:54:46 Android sandbox: /sys/fs/selinux/policy does not exist 2020/02/06 23:54:46 fault injection: enabled 2020/02/06 23:54:46 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/02/06 23:54:46 net packet injection: enabled 2020/02/06 23:54:46 net device setup: enabled 2020/02/06 23:54:46 concurrency sanitizer: enabled 2020/02/06 23:54:46 devlink PCI setup: PCI device 0000:00:10.0 is not available 23:54:47 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000002c0)=@can_delroute={0x24, 0x19, 0x609, 0x0, 0x0, {}, [@CGW_DST_IF={0x8, 0xa, r2}, @CGW_SRC_IF={0x8, 0x9, r4}]}, 0x24}}, 0x0) [ 74.621923][ T8106] IPVS: ftp: loaded support on port[0] = 21 23:54:47 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) [ 74.699632][ T8106] chnl_net:caif_netlink_parms(): no params data found [ 74.786735][ T8106] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.808670][ T8106] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.816584][ T8106] device bridge_slave_0 entered promiscuous mode [ 74.839643][ T8106] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.846832][ T8106] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.869080][ T8106] device bridge_slave_1 entered promiscuous mode [ 74.898153][ T8106] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.914982][ T8111] IPVS: ftp: loaded support on port[0] = 21 [ 74.922714][ T8106] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.958006][ T8106] team0: Port device team_slave_0 added [ 74.979748][ T8106] team0: Port device team_slave_1 added [ 75.004743][ T8106] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.011985][ T8106] 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. [ 75.039160][ T8106] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.051038][ T8106] batman_adv: batadv0: Adding interface: batadv_slave_1 23:54:48 executing program 2: openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x101040, 0x0) syz_mount_image$bfs(&(0x7f0000000000)='bfs\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x1, &(0x7f0000000080)=[{&(0x7f0000000180)="cefaad1bb83c000040dc", 0xff0f}], 0x3, 0x0) [ 75.058054][ T8106] 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. [ 75.084618][ T8106] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.181340][ T8106] device hsr_slave_0 entered promiscuous mode [ 75.219466][ T8106] device hsr_slave_1 entered promiscuous mode [ 75.296971][ T8114] IPVS: ftp: loaded support on port[0] = 21 [ 75.312460][ T8111] chnl_net:caif_netlink_parms(): no params data found 23:54:48 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f00000002c0)='net/ip_tables_names\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x249, 0x0, 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r1, 0x4, 0x42000) sched_setaffinity(0x0, 0x0, 0x0) execve(0x0, 0x0, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x500) [ 75.451964][ T8106] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.532056][ T8106] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.624177][ T8106] netdevsim netdevsim0 netdevsim2: renamed from eth2 23:54:48 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000380)='devlink\x00') sendmsg$DEVLINK_CMD_RELOAD(r0, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000500)={0x3c, r1, 0x201, 0x0, 0x0, {0x21}, [{@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_FD={0x8}}]}, 0x3c}}, 0x0) [ 75.681043][ T8111] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.688115][ T8111] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.697747][ T8111] device bridge_slave_0 entered promiscuous mode [ 75.713733][ T8119] IPVS: ftp: loaded support on port[0] = 21 [ 75.721235][ T8106] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.765534][ T8111] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.773420][ T8111] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.786481][ T8111] device bridge_slave_1 entered promiscuous mode [ 75.815049][ T8114] chnl_net:caif_netlink_parms(): no params data found [ 75.891251][ T8111] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.926244][ T8111] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.974754][ T8106] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.012360][ T8114] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.038692][ T8114] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.046764][ T8114] device bridge_slave_0 entered promiscuous mode [ 76.089617][ T8111] team0: Port device team_slave_0 added [ 76.095406][ T8114] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.102892][ T8114] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.119470][ T8114] device bridge_slave_1 entered promiscuous mode 23:54:49 executing program 5: r0 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, 0x0, &(0x7f0000000100)) [ 76.174093][ T8106] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.183951][ T8111] team0: Port device team_slave_1 added [ 76.197664][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.207934][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.248493][ T8125] IPVS: ftp: loaded support on port[0] = 21 [ 76.251390][ T8119] chnl_net:caif_netlink_parms(): no params data found [ 76.286060][ T8114] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.312302][ T8111] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.319481][ T8111] 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. [ 76.345539][ T8111] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.357077][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.369161][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.377485][ T3093] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.384568][ T3093] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.409277][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.418505][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.427706][ T3093] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.435193][ T3093] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.444545][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.453437][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.468907][ T8114] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.478396][ T8111] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.485837][ T8111] 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. [ 76.512429][ T8111] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.532552][ T8128] IPVS: ftp: loaded support on port[0] = 21 [ 76.563218][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.620921][ T8111] device hsr_slave_0 entered promiscuous mode [ 76.659243][ T8111] device hsr_slave_1 entered promiscuous mode [ 76.698728][ T8111] debugfs: Directory 'hsr0' with parent '/' already present! [ 76.709355][ T8114] team0: Port device team_slave_0 added [ 76.717550][ T8114] team0: Port device team_slave_1 added [ 76.757354][ T8119] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.764599][ T8119] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.772876][ T8119] device bridge_slave_0 entered promiscuous mode [ 76.782455][ T8119] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.789596][ T8119] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.797300][ T8119] device bridge_slave_1 entered promiscuous mode [ 76.805398][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.814492][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.824694][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.833228][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.842283][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.864111][ T8114] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.871321][ T8114] 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. [ 76.897544][ T8114] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.910594][ T8114] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.917561][ T8114] 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. [ 76.945484][ T8114] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.971733][ T8119] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.993600][ T8119] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.022603][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 77.031386][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.100565][ T8114] device hsr_slave_0 entered promiscuous mode [ 77.149052][ T8114] device hsr_slave_1 entered promiscuous mode [ 77.218729][ T8114] debugfs: Directory 'hsr0' with parent '/' already present! [ 77.226376][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.234983][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.244481][ T8119] team0: Port device team_slave_0 added [ 77.278415][ T8119] team0: Port device team_slave_1 added [ 77.285096][ T8106] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.294711][ T8125] chnl_net:caif_netlink_parms(): no params data found [ 77.362886][ T8119] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.370996][ T8119] 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. [ 77.397379][ T8119] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.409266][ T8119] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.416317][ T8119] 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. [ 77.442489][ T8119] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.481258][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.491523][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.510062][ T8106] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.520330][ T8111] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 77.571693][ T8128] chnl_net:caif_netlink_parms(): no params data found [ 77.581266][ T8111] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 77.620951][ T8111] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 77.709794][ T8111] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 77.745648][ T8114] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 77.870649][ T8119] device hsr_slave_0 entered promiscuous mode [ 77.899230][ T8119] device hsr_slave_1 entered promiscuous mode [ 77.938749][ T8119] debugfs: Directory 'hsr0' with parent '/' already present! [ 77.959372][ T8114] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 78.000999][ T8114] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 78.042529][ T8114] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 78.101819][ T8125] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.109072][ T8125] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.116784][ T8125] device bridge_slave_0 entered promiscuous mode [ 78.124547][ T8125] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.132607][ T8125] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.140400][ T8125] device bridge_slave_1 entered promiscuous mode [ 78.198581][ T8125] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.222341][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 78.231652][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.257627][ T8125] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.280858][ T8125] team0: Port device team_slave_0 added [ 78.287781][ T8125] team0: Port device team_slave_1 added [ 78.307267][ T8106] device veth0_vlan entered promiscuous mode [ 78.314870][ T8128] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.322039][ T8128] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.330151][ T8128] device bridge_slave_0 entered promiscuous mode [ 78.337747][ T8128] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.345236][ T8128] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.353312][ T8128] device bridge_slave_1 entered promiscuous mode [ 78.371017][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.379839][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.405204][ T8125] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.412611][ T8125] 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. [ 78.440279][ T8125] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.468021][ T8114] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.475379][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.483715][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.494799][ T8119] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 78.552789][ T8128] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.562817][ T8125] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.570394][ T8125] 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. [ 78.596951][ T8125] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.619965][ T8106] device veth1_vlan entered promiscuous mode [ 78.627142][ T8119] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 78.701747][ T8128] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.722036][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.731117][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.739190][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.757076][ T8119] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 78.838336][ T8114] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.890841][ T8125] device hsr_slave_0 entered promiscuous mode [ 78.929042][ T8125] device hsr_slave_1 entered promiscuous mode [ 78.988791][ T8125] debugfs: Directory 'hsr0' with parent '/' already present! [ 78.996835][ T8119] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 79.065765][ T8128] team0: Port device team_slave_0 added [ 79.073110][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 79.082680][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 79.091644][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.100963][ T27] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.108395][ T27] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.117061][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 79.143034][ T8120] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 79.152067][ T8120] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.160717][ T8120] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.168162][ T8120] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.183564][ T8111] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.191644][ T8128] team0: Port device team_slave_1 added [ 79.224130][ T8128] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 79.231918][ T8128] 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. [ 79.258237][ T8128] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 79.269506][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 79.278426][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 79.293405][ T8111] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.313578][ T8128] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 79.320957][ T8128] 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. [ 79.347986][ T8128] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 79.360495][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 79.368513][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.377454][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 79.386395][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.395501][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 79.404432][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.413543][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 79.422159][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 79.431098][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 79.439750][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 79.448569][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 79.469081][ T8106] device veth0_macvtap entered promiscuous mode [ 79.481804][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 79.490874][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.499642][ T3609] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.506858][ T3609] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.514887][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 79.523961][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 79.532726][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 79.541427][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.550353][ T3609] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.557396][ T3609] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.567053][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 79.575451][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 79.592859][ T8114] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 79.602780][ T8106] device veth1_macvtap entered promiscuous mode [ 79.612543][ T8120] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 79.621118][ T8120] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 79.641397][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 79.650365][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 79.659736][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.687709][ T8106] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.701034][ T8120] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 79.712294][ T8120] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 79.721285][ T8120] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 79.730547][ T8120] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 79.739695][ T8120] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.811450][ T8128] device hsr_slave_0 entered promiscuous mode [ 79.859030][ T8128] device hsr_slave_1 entered promiscuous mode [ 79.909220][ T8128] debugfs: Directory 'hsr0' with parent '/' already present! [ 79.942420][ T8106] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.954418][ T8111] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 79.965490][ T8111] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 79.978145][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 79.987021][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 79.995646][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 80.004180][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.013003][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 80.022147][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 80.031341][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.042145][ T8125] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 80.101598][ T8125] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 80.141750][ T8125] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 80.190955][ T8119] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.214761][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 80.222492][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 80.233837][ T8114] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.242764][ T8125] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 80.299351][ T8119] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.312019][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 80.320337][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.328286][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 80.336468][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 80.362255][ T8111] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.391686][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 80.400886][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.418942][ T3093] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.426131][ T3093] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.434592][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 80.443430][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.452173][ T3093] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.459609][ T3093] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.467698][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 80.476824][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 80.487558][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.508027][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 80.520087][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 80.531051][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 80.539911][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.549076][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 80.557995][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.600013][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.609515][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 80.618852][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 80.644480][ T8119] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 80.660120][ T8119] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 80.680292][ T8128] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 80.711681][ T8128] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 80.761107][ T8128] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 80.810851][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 80.819858][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.829081][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 80.837745][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.862426][ T8119] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.875196][ T8114] device veth0_vlan entered promiscuous mode [ 80.888744][ T8128] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 80.911720][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.919904][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 80.927550][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 80.935147][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 80.943795][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 80.957937][ T8111] device veth0_vlan entered promiscuous mode [ 80.983505][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 80.991866][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 81.002440][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 81.010830][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 81.020209][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 81.029451][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 81.042759][ T8111] device veth1_vlan entered promiscuous mode [ 81.058043][ T8119] device veth0_vlan entered promiscuous mode [ 81.066008][ T8114] device veth1_vlan entered promiscuous mode [ 81.079263][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 81.087585][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 81.099586][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 81.107869][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 81.115918][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 81.124302][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 81.132896][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 81.155390][ T8125] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.166430][ T8119] device veth1_vlan entered promiscuous mode [ 81.186083][ T8114] device veth0_macvtap entered promiscuous mode [ 81.204808][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 81.214237][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 81.223296][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 81.231632][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 81.240257][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 81.249339][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 81.264691][ T8111] device veth0_macvtap entered promiscuous mode [ 81.275592][ T8111] device veth1_macvtap entered promiscuous mode 23:54:54 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000002c0)=@can_delroute={0x24, 0x19, 0x609, 0x0, 0x0, {}, [@CGW_DST_IF={0x8, 0xa, r2}, @CGW_SRC_IF={0x8, 0x9, r4}]}, 0x24}}, 0x0) [ 81.297922][ T8119] device veth0_macvtap entered promiscuous mode [ 81.309208][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 81.318291][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 81.330176][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 81.339099][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 81.348340][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 81.357269][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 81.365809][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.374340][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 81.383207][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 81.392601][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 81.404882][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 81.414437][ T8114] device veth1_macvtap entered promiscuous mode [ 81.427910][ T8125] 8021q: adding VLAN 0 to HW filter on device team0 23:54:54 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000002c0)=@can_delroute={0x24, 0x19, 0x609, 0x0, 0x0, {}, [@CGW_DST_IF={0x8, 0xa, r2}, @CGW_SRC_IF={0x8, 0x9, r4}]}, 0x24}}, 0x0) [ 81.457066][ T8119] device veth1_macvtap entered promiscuous mode [ 81.468909][ T8114] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 81.481920][ T8114] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 81.495991][ T8114] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 81.533042][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 81.543280][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 81.554954][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 81.563852][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.572668][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.579980][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.588824][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.597799][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.606599][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.613827][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.622286][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 81.632225][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 81.642188][ T8111] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 81.653140][ T8111] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 81.663532][ T8111] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 81.674200][ T8111] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 81.686088][ T8111] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 81.695073][ T8114] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 81.705741][ T8114] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 81.717359][ T8114] batman_adv: batadv0: Interface activated: batadv_slave_1 23:54:54 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000002c0)=@can_delroute={0x24, 0x19, 0x609, 0x0, 0x0, {}, [@CGW_DST_IF={0x8, 0xa, r2}, @CGW_SRC_IF={0x8, 0x9, r4}]}, 0x24}}, 0x0) [ 81.739634][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 81.748519][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 81.757985][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 81.767416][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 81.778890][ T8111] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 81.790034][ T8111] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 81.814052][ T8111] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 81.825222][ T8111] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 81.839489][ T8111] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 81.850258][ T8119] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 81.861176][ T8119] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 81.872024][ T8119] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 81.883155][ T8119] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 81.893534][ T8119] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 81.904100][ T8119] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 81.915200][ T8119] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 81.929373][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready 23:54:55 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000002c0)=@can_delroute={0x24, 0x19, 0x609, 0x0, 0x0, {}, [@CGW_DST_IF={0x8, 0xa, r2}, @CGW_SRC_IF={0x8, 0x9, r4}]}, 0x24}}, 0x0) [ 81.938122][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 81.950779][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 81.962894][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 81.973354][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 81.991098][ T8119] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 82.005735][ T8119] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 82.016762][ T8119] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 82.027542][ T8119] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 82.037741][ T8119] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 82.048303][ T8119] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 82.060693][ T8119] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.070572][ T8128] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.087524][ T8120] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 82.096567][ T8120] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.105496][ T8120] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 82.115283][ T8120] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 82.124733][ T8120] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.146114][ T8125] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 82.157498][ T8125] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network 23:54:55 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000002c0)=@can_delroute={0x24, 0x19, 0x609, 0x0, 0x0, {}, [@CGW_DST_IF={0x8, 0xa, r2}, @CGW_SRC_IF={0x8, 0x9, r4}]}, 0x24}}, 0x0) [ 82.198336][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 82.207965][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.218231][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 82.232433][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.242506][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 82.254025][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.263538][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.272387][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.284062][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.306209][ T8125] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.323561][ T8128] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.335412][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.352615][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.385757][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.398419][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.421554][ T8131] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.428677][ T8131] bridge0: port 1(bridge_slave_0) entered forwarding state 23:54:55 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000002c0)=@can_delroute={0x24, 0x19, 0x609, 0x0, 0x0, {}, [@CGW_DST_IF={0x8, 0xa, r2}, @CGW_SRC_IF={0x8, 0x9, r4}]}, 0x24}}, 0x0) [ 82.477606][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 82.491564][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.500885][ T8131] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.508091][ T8131] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.518282][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.526681][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 82.576384][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 82.595144][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready 23:54:55 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000002c0)=@can_delroute={0x24, 0x19, 0x609, 0x0, 0x0, {}, [@CGW_DST_IF={0x8, 0xa, r2}, @CGW_SRC_IF={0x8, 0x9, r4}]}, 0x24}}, 0x0) [ 82.619687][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.648403][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.670067][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 82.692403][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.707684][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 82.716642][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 82.725685][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 82.734239][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.742694][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 82.752163][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.762464][ T8128] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.797722][ T8128] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.812266][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.828381][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.872041][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 82.897433][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 82.924414][ T8125] device veth0_vlan entered promiscuous mode [ 82.940014][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 82.949584][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 82.972019][ T8125] device veth1_vlan entered promiscuous mode [ 83.008009][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 83.024434][ C0] hrtimer: interrupt took 43220 ns [ 83.047318][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 83.069664][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 83.079066][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 83.090182][ T8125] device veth0_macvtap entered promiscuous mode [ 83.129205][ T8125] device veth1_macvtap entered promiscuous mode [ 83.185739][ T8125] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 83.196596][ T26] kauditd_printk_skb: 8 callbacks suppressed [ 83.196617][ T26] audit: type=1804 audit(1581033296.278:31): pid=8237 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir778059181/syzkaller.H8GYKh/0/bus/bus" dev="overlay" ino=16535 res=1 [ 83.238385][ T8237] overlayfs: filesystem on './file0' not supported as upperdir [ 83.258655][ T8125] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 83.276464][ T26] audit: type=1804 audit(1581033296.368:32): pid=8238 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir778059181/syzkaller.H8GYKh/0/bus/bus" dev="overlay" ino=16535 res=1 [ 83.298793][ T8125] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 83.313766][ T8125] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 83.323988][ T8125] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 23:54:56 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000002c0)=@can_delroute={0x24, 0x19, 0x609, 0x0, 0x0, {}, [@CGW_DST_IF={0x8, 0xa, r2}, @CGW_SRC_IF={0x8, 0x9, r4}]}, 0x24}}, 0x0) 23:54:56 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f00000002c0)='net/ip_tables_names\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x249, 0x0, 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r1, 0x4, 0x42000) sched_setaffinity(0x0, 0x0, 0x0) execve(0x0, 0x0, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x500) 23:54:56 executing program 2: openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x101040, 0x0) syz_mount_image$bfs(&(0x7f0000000000)='bfs\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x1, &(0x7f0000000080)=[{&(0x7f0000000180)="cefaad1bb83c000040dc", 0xff0f}], 0x3, 0x0) [ 83.334515][ T8125] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 83.345175][ T8125] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 83.356033][ T8125] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 83.377254][ T8125] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 83.422807][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 83.432247][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 83.468888][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 83.494380][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 83.527294][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 83.547362][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 83.568958][ T8125] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 83.588872][ T8125] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 83.601996][ T8125] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 83.612630][ T8125] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 83.635206][ T8125] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 83.645890][ T8125] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 83.672659][ T8125] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 83.686284][ T8125] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 83.698056][ T8125] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 83.725984][ T8128] device veth0_vlan entered promiscuous mode [ 83.733121][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 83.756007][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 83.776670][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 83.794791][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 83.804709][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 83.816399][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 83.841012][ T8128] device veth1_vlan entered promiscuous mode [ 83.883484][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 83.891988][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 83.902982][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 83.911558][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 83.921445][ T8128] device veth0_macvtap entered promiscuous mode [ 83.940686][ T8128] device veth1_macvtap entered promiscuous mode [ 83.954459][ T8128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 83.965785][ T8128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 83.976234][ T8128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 83.986891][ T8128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 83.996833][ T8128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 84.007855][ T8128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 84.018281][ T8128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 84.028757][ T8128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 84.038671][ T8128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 84.049501][ T8128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 84.060546][ T8128] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.077986][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 84.086960][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 84.095301][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 84.105803][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 84.117824][ T8128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 84.128750][ T8128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 84.139128][ T8128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 84.149753][ T8128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 84.160389][ T8128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 84.170974][ T8128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 84.181023][ T8128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 84.191635][ T8128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 84.201653][ T8128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 84.212206][ T8128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 84.224669][ T8128] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 84.242066][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 84.250941][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 23:54:57 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000380)='devlink\x00') sendmsg$DEVLINK_CMD_RELOAD(r0, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000500)={0x3c, r1, 0x201, 0x0, 0x0, {0x21}, [{@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_FD={0x8}}]}, 0x3c}}, 0x0) 23:54:57 executing program 5: r0 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, 0x0, &(0x7f0000000100)) 23:54:57 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) 23:54:57 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f00000002c0)='net/ip_tables_names\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x249, 0x0, 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r1, 0x4, 0x42000) sched_setaffinity(0x0, 0x0, 0x0) execve(0x0, 0x0, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x500) 23:54:57 executing program 2: openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x101040, 0x0) syz_mount_image$bfs(&(0x7f0000000000)='bfs\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x1, &(0x7f0000000080)=[{&(0x7f0000000180)="cefaad1bb83c000040dc", 0xff0f}], 0x3, 0x0) 23:54:57 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000002c0)=@can_delroute={0x24, 0x19, 0x609, 0x0, 0x0, {}, [@CGW_DST_IF={0x8, 0xa, r2}, @CGW_SRC_IF={0x8, 0x9, r4}]}, 0x24}}, 0x0) 23:54:57 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000380)='devlink\x00') sendmsg$DEVLINK_CMD_RELOAD(r0, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000500)={0x3c, r1, 0x201, 0x0, 0x0, {0x21}, [{@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_FD={0x8}}]}, 0x3c}}, 0x0) 23:54:57 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f00000002c0)='net/ip_tables_names\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={0x0, 0x249, 0x0, 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r1, 0x4, 0x42000) sched_setaffinity(0x0, 0x0, 0x0) execve(0x0, 0x0, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x500) [ 84.739782][ T26] audit: type=1804 audit(1581033297.838:33): pid=8300 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir778059181/syzkaller.H8GYKh/1/bus/bus" dev="overlay" ino=16562 res=1 23:54:57 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) 23:54:57 executing program 0: r0 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, 0x0, &(0x7f0000000100)) 23:54:57 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000380)='devlink\x00') sendmsg$DEVLINK_CMD_RELOAD(r0, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000500)={0x3c, r1, 0x201, 0x0, 0x0, {0x21}, [{@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_FD={0x8}}]}, 0x3c}}, 0x0) [ 84.814855][ T8300] syz-executor.1 (8300) used greatest stack depth: 9640 bytes left 23:54:57 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000380)='devlink\x00') sendmsg$DEVLINK_CMD_RELOAD(r0, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000500)={0x3c, r1, 0x201, 0x0, 0x0, {0x21}, [{@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_FD={0x8}}]}, 0x3c}}, 0x0) 23:54:58 executing program 2: openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x101040, 0x0) syz_mount_image$bfs(&(0x7f0000000000)='bfs\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x1, &(0x7f0000000080)=[{&(0x7f0000000180)="cefaad1bb83c000040dc", 0xff0f}], 0x3, 0x0) 23:54:58 executing program 5: r0 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, 0x0, &(0x7f0000000100)) 23:54:58 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000380)='devlink\x00') sendmsg$DEVLINK_CMD_RELOAD(r0, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000500)={0x3c, r1, 0x201, 0x0, 0x0, {0x21}, [{@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_FD={0x8}}]}, 0x3c}}, 0x0) 23:54:58 executing program 5: r0 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, 0x0, &(0x7f0000000100)) 23:54:58 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000380)='devlink\x00') sendmsg$DEVLINK_CMD_RELOAD(r0, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000500)={0x3c, r1, 0x201, 0x0, 0x0, {0x21}, [{@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_FD={0x8}}]}, 0x3c}}, 0x0) 23:54:58 executing program 0: r0 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, 0x0, &(0x7f0000000100)) 23:54:58 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) [ 85.331701][ T26] audit: type=1804 audit(1581033298.428:34): pid=8317 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir778059181/syzkaller.H8GYKh/2/bus/bus" dev="overlay" ino=16554 res=1 23:54:58 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) 23:54:58 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) 23:54:58 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000380)='devlink\x00') sendmsg$DEVLINK_CMD_RELOAD(r0, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000500)={0x3c, r1, 0x201, 0x0, 0x0, {0x21}, [{@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_FD={0x8}}]}, 0x3c}}, 0x0) [ 85.541432][ T8317] syz-executor.1 (8317) used greatest stack depth: 9384 bytes left 23:54:58 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000380)='devlink\x00') sendmsg$DEVLINK_CMD_RELOAD(r0, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000500)={0x3c, r1, 0x201, 0x0, 0x0, {0x21}, [{@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_FD={0x8}}]}, 0x3c}}, 0x0) 23:54:58 executing program 0: r0 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, 0x0, &(0x7f0000000100)) [ 85.616853][ T26] audit: type=1804 audit(1581033298.708:35): pid=8344 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir598808450/syzkaller.v3XUnN/4/bus/bus" dev="overlay" ino=16537 res=1 23:54:58 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) 23:54:58 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000380)='devlink\x00') sendmsg$DEVLINK_CMD_RELOAD(r0, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000500)={0x3c, r1, 0x201, 0x0, 0x0, {0x21}, [{@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_FD={0x8}}]}, 0x3c}}, 0x0) 23:54:59 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) 23:54:59 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) [ 85.987519][ T26] audit: type=1804 audit(1581033299.078:36): pid=8353 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir428196506/syzkaller.Ka1P7w/4/bus/bus" dev="overlay" ino=16569 res=1 [ 86.103090][ T26] audit: type=1804 audit(1581033299.168:37): pid=8360 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir778059181/syzkaller.H8GYKh/3/bus/bus" dev="overlay" ino=16537 res=1 23:54:59 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) 23:54:59 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) 23:54:59 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) [ 86.313117][ T26] audit: type=1804 audit(1581033299.368:38): pid=8365 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir854960779/syzkaller.miZzx1/7/bus/bus" dev="overlay" ino=16592 res=1 23:54:59 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) [ 86.446303][ T26] audit: type=1804 audit(1581033299.468:39): pid=8370 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir598808450/syzkaller.v3XUnN/5/bus/bus" dev="overlay" ino=16485 res=1 23:54:59 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) [ 86.555390][ T26] audit: type=1804 audit(1581033299.538:40): pid=8373 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir609674420/syzkaller.qnoerV/13/bus/bus" dev="overlay" ino=16484 res=1 23:54:59 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) 23:54:59 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) 23:54:59 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) 23:55:00 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) 23:55:00 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) 23:55:00 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) 23:55:00 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) 23:55:00 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) 23:55:00 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) 23:55:00 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) [ 87.598155][ T8415] ================================================================== [ 87.606381][ T8415] BUG: KCSAN: data-race in __ext4_new_inode / find_next_zero_bit [ 87.614368][ T8415] [ 87.616739][ T8415] write to 0xffff888122860010 of 8 bytes by task 8416 on cpu 1: [ 87.625949][ T8415] __ext4_new_inode+0xf39/0x2f10 [ 87.631103][ T8415] ext4_symlink+0x31c/0x9b0 [ 87.635621][ T8415] vfs_symlink+0x218/0x310 [ 87.640059][ T8415] do_symlinkat+0x1a5/0x1e0 [ 87.644664][ T8415] __x64_sys_symlink+0x3f/0x50 [ 87.649533][ T8415] do_syscall_64+0xcc/0x3a0 [ 87.654825][ T8415] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.661117][ T8415] [ 87.663456][ T8415] read to 0xffff888122860010 of 8 bytes by task 8415 on cpu 0: [ 87.671015][ T8415] find_next_zero_bit+0x4e/0xe0 [ 87.675888][ T8415] find_inode_bit.isra.0+0x82/0x300 [ 87.681106][ T8415] __ext4_new_inode+0xd45/0x2f10 [ 87.686061][ T8415] ext4_tmpfile+0x15d/0x310 [ 87.690574][ T8415] vfs_tmpfile+0xd3/0x1f0 [ 87.694926][ T8415] ovl_fill_super+0xcce/0x2736 [ 87.699705][ T8415] mount_nodev+0x6b/0xf0 [ 87.703962][ T8415] ovl_mount+0x36/0x50 [ 87.708392][ T8415] legacy_get_tree+0x7e/0xf0 [ 87.713098][ T8415] vfs_get_tree+0x56/0x1a0 [ 87.717523][ T8415] do_mount+0x1004/0x14f0 [ 87.721866][ T8415] ksys_mount+0xe8/0x160 [ 87.727248][ T8415] __x64_sys_mount+0x70/0x90 [ 87.731875][ T8415] do_syscall_64+0xcc/0x3a0 [ 87.736396][ T8415] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.742283][ T8415] [ 87.744645][ T8415] Reported by Kernel Concurrency Sanitizer on: [ 87.750838][ T8415] CPU: 0 PID: 8415 Comm: syz-executor.0 Not tainted 5.5.0-rc1-syzkaller #0 [ 87.759640][ T8415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.769846][ T8415] ================================================================== [ 87.777908][ T8415] Kernel panic - not syncing: panic_on_warn set ... [ 87.784631][ T8415] CPU: 0 PID: 8415 Comm: syz-executor.0 Not tainted 5.5.0-rc1-syzkaller #0 23:55:00 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) [ 87.793222][ T8415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.803372][ T8415] Call Trace: [ 87.806682][ T8415] dump_stack+0x11d/0x181 [ 87.811088][ T8415] panic+0x210/0x640 [ 87.815006][ T8415] ? vprintk_func+0x8d/0x140 [ 87.819774][ T8415] kcsan_report.cold+0xc/0xd [ 87.824579][ T8415] kcsan_setup_watchpoint+0x3fe/0x460 [ 87.830091][ T8415] __tsan_read8+0xc6/0x100 [ 87.834529][ T8415] find_next_zero_bit+0x4e/0xe0 [ 87.839411][ T8415] find_inode_bit.isra.0+0x82/0x300 [ 87.844649][ T8415] __ext4_new_inode+0xd45/0x2f10 [ 87.849618][ T8415] ext4_tmpfile+0x15d/0x310 [ 87.854148][ T8415] vfs_tmpfile+0xd3/0x1f0 [ 87.858501][ T8415] ovl_fill_super+0xcce/0x2736 [ 87.863286][ T8415] ? idr_replace+0xb3/0x110 [ 87.867971][ T8415] ? sget+0xfa/0x3e0 [ 87.872000][ T8415] ? get_anon_bdev+0x90/0x90 [ 87.876626][ T8415] ? ovl_show_options+0x3e0/0x3e0 [ 87.881787][ T8415] mount_nodev+0x6b/0xf0 [ 87.886148][ T8415] ovl_mount+0x36/0x50 [ 87.890433][ T8415] ? ovl_own_xattr_set+0x20/0x20 23:55:01 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) socket(0x10, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) [ 87.895494][ T8415] legacy_get_tree+0x7e/0xf0 [ 87.900398][ T8415] vfs_get_tree+0x56/0x1a0 [ 87.904854][ T8415] do_mount+0x1004/0x14f0 [ 87.909427][ T8415] ksys_mount+0xe8/0x160 [ 87.913719][ T8415] __x64_sys_mount+0x70/0x90 [ 87.918968][ T8415] do_syscall_64+0xcc/0x3a0 [ 87.923505][ T8415] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.929411][ T8415] RIP: 0033:0x45b399 [ 87.934714][ T8415] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 87.954572][ T8415] RSP: 002b:00007fdfbe117c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 87.963011][ T8415] RAX: ffffffffffffffda RBX: 00007fdfbe1186d4 RCX: 000000000045b399 [ 87.971108][ T8415] RDX: 0000000020000080 RSI: 0000000020000000 RDI: 0000000000400000 [ 87.979186][ T8415] RBP: 000000000075bf20 R08: 0000000020000100 R09: 0000000000000000 [ 87.987278][ T8415] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 87.995661][ T8415] R13: 0000000000000750 R14: 00000000004c8c25 R15: 000000000075bf2c [ 88.005664][ T8415] Kernel Offset: disabled [ 88.010025][ T8415] Rebooting in 86400 seconds..