[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 49.820971][ T27] audit: type=1800 audit(1578480991.563:25): pid=8371 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 49.852291][ T27] audit: type=1800 audit(1578480991.563:26): pid=8371 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 49.887256][ T27] audit: type=1800 audit(1578480991.573:27): pid=8371 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.114' (ECDSA) to the list of known hosts. 2020/01/08 10:56:41 fuzzer started 2020/01/08 10:56:43 dialing manager at 10.128.0.26:35703 2020/01/08 10:56:43 syscalls: 2824 2020/01/08 10:56:43 code coverage: enabled 2020/01/08 10:56:43 comparison tracing: enabled 2020/01/08 10:56:43 extra coverage: enabled 2020/01/08 10:56:43 setuid sandbox: enabled 2020/01/08 10:56:43 namespace sandbox: enabled 2020/01/08 10:56:43 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 10:56:43 fault injection: enabled 2020/01/08 10:56:43 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 10:56:43 net packet injection: enabled 2020/01/08 10:56:43 net device setup: enabled 2020/01/08 10:56:43 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 10:56:43 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:56:44 executing program 0: syz_mount_image$jfs(&(0x7f0000000000)='jfs\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000280)={[{@iocharset={'iocharset', 0x3d, 'macceltic'}}]}) 10:56:45 executing program 1: bpf$PROG_LOAD(0x5, &(0x7f000000d000)={0xa, 0x3, &(0x7f0000008000)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x1c, 0x7}}, &(0x7f0000014ff5)='GPL\x00', 0x2, 0x1000, &(0x7f0000014000)=""/4096}, 0x48) syzkaller login: [ 63.381388][ T8540] IPVS: ftp: loaded support on port[0] = 21 [ 63.518262][ T8540] chnl_net:caif_netlink_parms(): no params data found [ 63.531973][ T8543] IPVS: ftp: loaded support on port[0] = 21 10:56:45 executing program 2: r0 = open(&(0x7f0000000200)='./file0\x00', 0x4008040, 0x0) close(r0) socket$inet6_sctp(0xa, 0x5, 0x84) sendmmsg$inet_sctp(r0, &(0x7f00000016c0)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000001640)=[@dstaddrv4={0x18, 0x84, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @sndinfo={0x20, 0x84, 0x5}], 0x38}], 0x1, 0x0) [ 63.594417][ T8540] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.603291][ T8540] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.611550][ T8540] device bridge_slave_0 entered promiscuous mode [ 63.636739][ T8540] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.647554][ T8540] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.655493][ T8540] device bridge_slave_1 entered promiscuous mode [ 63.736695][ T8540] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.773573][ T8540] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.802992][ T8543] chnl_net:caif_netlink_parms(): no params data found 10:56:45 executing program 3: perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000480)}, 0x0, 0x80000000, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2) openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0) openat$ipvs(0xffffffffffffff9c, 0x0, 0x2, 0x0) getrandom(0x0, 0x0, 0x3) set_mempolicy(0x2, &(0x7f0000000040)=0x5c9, 0x4) r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @dev}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fa, &(0x7f0000000140)={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x1e}}, 0x10) r1 = semget$private(0x0, 0x0, 0x0) semtimedop(r1, &(0x7f0000000000)=[{}], 0x1, 0x0) semctl$SETALL(r1, 0x0, 0x11, 0x0) semctl$GETPID(r1, 0x1, 0xb, 0x0) read$alg(0xffffffffffffffff, 0x0, 0x0) socket$inet(0x2, 0x4000000805, 0x0) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000340)={0x0, @in={{0x2, 0x0, @multicast1}}}, &(0x7f0000000400)=0x84) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, 0x0, 0x0) r2 = syz_open_dev$loop(&(0x7f00000001c0)='/dev/loop#\x00', 0x0, 0x0) memfd_create(0x0, 0x0) ioctl$LOOP_CHANGE_FD(r2, 0x4c00, 0xffffffffffffffff) sendfile(r0, r2, 0x0, 0x102000002) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) [ 63.850297][ T8540] team0: Port device team_slave_0 added [ 63.883287][ T8546] IPVS: ftp: loaded support on port[0] = 21 [ 63.894081][ T8540] team0: Port device team_slave_1 added [ 63.900878][ T8543] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.916266][ T8543] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.924463][ T8543] device bridge_slave_0 entered promiscuous mode [ 63.956229][ T8543] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.963952][ T8543] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.973772][ T8543] device bridge_slave_1 entered promiscuous mode [ 64.041581][ T8540] device hsr_slave_0 entered promiscuous mode 10:56:45 executing program 4: setsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x24, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080)='/dev/nullb0\x00', 0x4000000004002, 0x0) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x200000e, 0x13, r0, 0x0) shmget(0x2, 0x1000, 0x1c, &(0x7f000096d000/0x1000)=nil) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_dev$admmidi(&(0x7f00000015c0)='/dev/admmidi#\x00', 0x8, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0x6, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) r4 = dup2(r1, r3) dup3(r4, r2, 0x0) openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x415405, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = fcntl$dupfd(r5, 0x0, r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) clone(0x4000000000003fe, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) msync(&(0x7f0000952000/0x2000)=nil, 0x87abbe8d1cc6ad9, 0x4) [ 64.117455][ T8540] device hsr_slave_1 entered promiscuous mode [ 64.184785][ T8548] IPVS: ftp: loaded support on port[0] = 21 [ 64.252391][ T8543] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.270756][ T8543] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.325066][ T8550] IPVS: ftp: loaded support on port[0] = 21 [ 64.354088][ T8543] team0: Port device team_slave_0 added 10:56:46 executing program 5: syz_open_dev$evdev(&(0x7f00000001c0)='/dev/input/event#\x00', 0x0, 0x0) openat$cgroup(0xffffffffffffffff, 0x0, 0x200002, 0x0) ioctl$BLKREPORTZONE(0xffffffffffffffff, 0xc0101282, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x0, &(0x7f0000000280), 0x4) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(0xffffffffffffffff, 0x6, 0x16, &(0x7f0000000440), 0x12f7e5) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) r1 = open(&(0x7f0000002bc0)='./file0\x00', 0x40c2, 0x0) preadv(0xffffffffffffffff, 0x0, 0x0, 0x0) lstat(0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x1) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syncfs(r1) [ 64.392043][ T8543] team0: Port device team_slave_1 added [ 64.428581][ T8546] chnl_net:caif_netlink_parms(): no params data found [ 64.490600][ T8543] device hsr_slave_0 entered promiscuous mode [ 64.528295][ T8543] device hsr_slave_1 entered promiscuous mode [ 64.567341][ T8543] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.575067][ T8543] Cannot create hsr debugfs directory [ 64.637559][ T8540] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.680035][ T8540] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.741932][ T8540] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.816100][ T8553] IPVS: ftp: loaded support on port[0] = 21 [ 64.832318][ T8540] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.911126][ T8546] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.918627][ T8546] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.926148][ T8546] device bridge_slave_0 entered promiscuous mode [ 64.936253][ T8546] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.943784][ T8546] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.951506][ T8546] device bridge_slave_1 entered promiscuous mode [ 64.976322][ T8546] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.020820][ T8546] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.045307][ T8546] team0: Port device team_slave_0 added [ 65.053257][ T8548] chnl_net:caif_netlink_parms(): no params data found [ 65.070866][ T8546] team0: Port device team_slave_1 added [ 65.160560][ T8546] device hsr_slave_0 entered promiscuous mode [ 65.219369][ T8546] device hsr_slave_1 entered promiscuous mode [ 65.257740][ T8546] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.265448][ T8546] Cannot create hsr debugfs directory [ 65.277263][ T8543] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.323169][ T8543] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.393777][ T8548] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.401200][ T8548] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.410316][ T8548] device bridge_slave_0 entered promiscuous mode [ 65.423450][ T8543] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.483337][ T8543] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.550294][ T8548] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.557552][ T8548] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.565243][ T8548] device bridge_slave_1 entered promiscuous mode [ 65.588236][ T8548] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.627480][ T8548] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.645585][ T8550] chnl_net:caif_netlink_parms(): no params data found [ 65.713778][ T8548] team0: Port device team_slave_0 added [ 65.725805][ T8553] chnl_net:caif_netlink_parms(): no params data found [ 65.755723][ T8548] team0: Port device team_slave_1 added [ 65.816378][ T8553] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.824490][ T8553] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.832207][ T8553] device bridge_slave_0 entered promiscuous mode [ 65.841250][ T8553] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.848434][ T8553] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.856020][ T8553] device bridge_slave_1 entered promiscuous mode [ 65.865400][ T8550] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.872836][ T8550] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.880677][ T8550] device bridge_slave_0 entered promiscuous mode [ 65.940298][ T8548] device hsr_slave_0 entered promiscuous mode [ 65.990218][ T8548] device hsr_slave_1 entered promiscuous mode [ 66.047320][ T8548] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.054968][ T8548] Cannot create hsr debugfs directory [ 66.077186][ T8550] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.084253][ T8550] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.093379][ T8550] device bridge_slave_1 entered promiscuous mode [ 66.133923][ T8550] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.145025][ T8550] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.157995][ T8553] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.167958][ T8546] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.209666][ T8546] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.263504][ T8553] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.281304][ T8546] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.350727][ T8550] team0: Port device team_slave_0 added [ 66.369323][ T8553] team0: Port device team_slave_0 added [ 66.375169][ T8546] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.430397][ T8540] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.438470][ T8550] team0: Port device team_slave_1 added [ 66.446183][ T8553] team0: Port device team_slave_1 added [ 66.472154][ T8543] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.539500][ T8550] device hsr_slave_0 entered promiscuous mode [ 66.587913][ T8550] device hsr_slave_1 entered promiscuous mode [ 66.627280][ T8550] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.634868][ T8550] Cannot create hsr debugfs directory [ 66.656231][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.664394][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.680126][ T8540] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.688320][ T8543] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.729443][ T8553] device hsr_slave_0 entered promiscuous mode [ 66.797538][ T8553] device hsr_slave_1 entered promiscuous mode [ 66.847270][ T8553] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.854854][ T8553] Cannot create hsr debugfs directory [ 66.860705][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.868817][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.897904][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.907431][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.915943][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.923126][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.959376][ T8548] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.000508][ T8548] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.071330][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.103983][ T8548] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.138606][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.147301][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.155576][ T26] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.162659][ T26] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.171165][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.180228][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.191003][ T26] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.198074][ T26] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.205706][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.214423][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.223189][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.231437][ T26] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.238558][ T26] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.246060][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.254711][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.277957][ T8546] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.290350][ T8548] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 67.345243][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.353718][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.362709][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.371165][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.379624][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.388047][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.396285][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.404787][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.413149][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.421758][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.430712][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.438744][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.473120][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.482500][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.491333][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.500734][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.509027][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.517373][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.530690][ T8546] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.545541][ T8543] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.557649][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.565259][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.573313][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.582970][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.594683][ T8540] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.635967][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.645233][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.654170][ T2671] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.661277][ T2671] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.671040][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.678701][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.704108][ T8543] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.722623][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.733474][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.742758][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.751979][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.759075][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.766939][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.775615][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.784150][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.792684][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.803038][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.825224][ T8540] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.850732][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.858282][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.865655][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.875469][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.884041][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.892677][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.900983][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.909296][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.917504][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.926818][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.962453][ T8548] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.974861][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.984363][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.995543][ T8546] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.003978][ T8553] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.055726][ T8543] device veth0_vlan entered promiscuous mode [ 68.068466][ T8550] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.102532][ T8550] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.149048][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.160236][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.168657][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.176666][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.186000][ T8553] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.232713][ T8553] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.279214][ T8553] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.327482][ T8550] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.369232][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.376952][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.385134][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.393019][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.402638][ T8543] device veth1_vlan entered promiscuous mode [ 68.415040][ T8548] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.436106][ T8546] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.444893][ T8550] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.479843][ T8540] device veth0_vlan entered promiscuous mode [ 68.486511][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.494616][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.503233][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.510973][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.518519][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.569389][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.577675][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.586181][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.595981][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.603088][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.612057][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.621052][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.629834][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.638729][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.646979][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.654061][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.661961][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.681342][ T8540] device veth1_vlan entered promiscuous mode [ 68.699446][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.716999][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 173.757151][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 173.763950][ C0] rcu: 0-...!: (10499 ticks this GP) idle=f32/1/0x4000000000000002 softirq=13023/13023 fqs=0 [ 173.774444][ C0] (t=10500 jiffies g=6701 q=125) [ 173.779459][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g6701 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 173.790540][ C0] rcu: RCU grace-period kthread stack dump: [ 173.796418][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 173.804304][ C0] Call Trace: [ 173.807591][ C0] __schedule+0x9a0/0xcc0 [ 173.811920][ C0] schedule+0x181/0x210 [ 173.816089][ C0] schedule_timeout+0x14f/0x240 [ 173.820945][ C0] ? run_local_timers+0x120/0x120 [ 173.825972][ C0] rcu_gp_kthread+0xed8/0x1770 [ 173.830739][ C0] kthread+0x332/0x350 [ 173.834806][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 173.839914][ C0] ? kthread_blkcg+0xe0/0xe0 [ 173.844502][ C0] ret_from_fork+0x24/0x30 [ 173.848930][ C0] NMI backtrace for cpu 0 [ 173.853257][ C0] CPU: 0 PID: 8548 Comm: syz-executor.3 Not tainted 5.5.0-rc5-syzkaller #0 [ 173.861829][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.871887][ C0] Call Trace: [ 173.875168][ C0] [ 173.878030][ C0] dump_stack+0x1fb/0x318 [ 173.882353][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 173.887193][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 173.893345][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 173.899403][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 173.905377][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 173.911270][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 173.916464][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 173.921657][ C0] ? trace_hardirqs_off+0x74/0x80 [ 173.926681][ C0] update_process_times+0x12d/0x180 [ 173.931875][ C0] tick_sched_timer+0x263/0x420 [ 173.936716][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 173.942252][ C0] __hrtimer_run_queues+0x403/0x840 [ 173.947454][ C0] hrtimer_interrupt+0x38c/0xda0 [ 173.952396][ C0] ? debug_smp_processor_id+0x9/0x20 [ 173.957673][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 173.963205][ C0] apic_timer_interrupt+0xf/0x20 [ 173.968127][ C0] [ 173.971058][ C0] RIP: 0010:mod_memcg_page_state+0xb/0x190 [ 173.976853][ C0] Code: eb 27 2e 00 eb 05 e8 e4 27 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 54 53 <41> 89 f6 48 89 fb e8 ba 27 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 03 [ 173.996448][ C0] RSP: 0018:ffffc90002a069d8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 174.004852][ C0] RAX: 1ffff11015005461 RBX: ffff8880a802a308 RCX: 0000000000000000 [ 174.012836][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a17a00 [ 174.020810][ C0] RBP: ffffc90002a069f8 R08: 000000000003a728 R09: fffffbfff124248a [ 174.028771][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a802a3a0 [ 174.036732][ C0] R13: dffffc0000000000 R14: 1ffff11015005474 R15: ffff888093db74f8 [ 174.044721][ C0] free_thread_stack+0x168/0x590 [ 174.049655][ C0] put_task_stack+0xa3/0x130 [ 174.054237][ C0] finish_task_switch+0x3f1/0x550 [ 174.059268][ C0] __schedule+0x9a8/0xcc0 [ 174.063620][ C0] preempt_schedule_irq+0xc1/0x140 [ 174.068735][ C0] retint_kernel+0x1b/0x2b [ 174.073165][ C0] RIP: 0010:update_stack_state+0x44b/0x530 [ 174.078965][ C0] Code: 89 e7 e8 f8 ee 7d 00 41 83 3c 24 00 0f 85 47 ff ff ff 45 31 ed 48 bb 00 00 00 00 00 fc ff df 4c 89 f0 48 c1 e8 03 80 3c 18 00 <74> 08 4c 89 f7 e8 eb ee 7d 00 65 48 8b 04 25 c0 1d 02 00 49 39 06 [ 174.098569][ C0] RSP: 0018:ffffc90002a06c50 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 174.106983][ C0] RAX: 1ffff92000540dbb RBX: dffffc0000000000 RCX: 1ffff92000540db6 [ 174.114964][ C0] RDX: ffffc90002a072c0 RSI: 1ffff92000540db8 RDI: ffffc90002a06db0 [ 174.122938][ C0] RBP: ffffc90002a06cf8 R08: ffffffff8165c2fd R09: ffffc90002a06db0 [ 174.131032][ C0] R10: fffff52000540dc2 R11: 0000000000000000 R12: ffffc90002a06db0 [ 174.139006][ C0] R13: ffffc90002a072b8 R14: ffffc90002a06dd8 R15: 1ffff92000540dbe [ 174.146993][ C0] ? stack_trace_consume_entry+0x17d/0x260 [ 174.152832][ C0] unwind_next_frame+0x3f1/0x7a0 [ 174.157778][ C0] ? __unwind_start+0x36a/0x440 [ 174.162642][ C0] ? stack_trace_save+0x150/0x150 [ 174.167667][ C0] arch_stack_walk+0xb4/0xe0 [ 174.172256][ C0] ? rtmsg_ifinfo+0x77/0x120 [ 174.176841][ C0] stack_trace_save+0xb6/0x150 [ 174.181600][ C0] __kasan_kmalloc+0x11c/0x1b0 [ 174.186357][ C0] ? __kasan_kmalloc+0x11c/0x1b0 [ 174.191285][ C0] ? kasan_kmalloc+0x9/0x10 [ 174.195786][ C0] ? kmem_cache_alloc_node_trace+0x24c/0x2d0 [ 174.201769][ C0] ? __kmalloc_node_track_caller+0x3c/0x60 [ 174.207569][ C0] ? __alloc_skb+0xe8/0x500 [ 174.212064][ C0] ? rtmsg_ifinfo_build_skb+0x7f/0x180 [ 174.217511][ C0] ? rtmsg_ifinfo+0x77/0x120 [ 174.222088][ C0] ? __dev_notify_flags+0x7c/0x4d0 [ 174.227185][ C0] ? dev_change_flags+0xec/0x190 [ 174.232112][ C0] ? do_setlink+0xb2e/0x3960 [ 174.236688][ C0] ? rtnl_newlink+0x14dd/0x1bd0 [ 174.241524][ C0] ? rtnetlink_rcv_msg+0x889/0xd40 [ 174.246642][ C0] ? netlink_rcv_skb+0x19e/0x3d0 [ 174.251565][ C0] ? rtnetlink_rcv+0x1c/0x20 [ 174.256141][ C0] ? netlink_unicast+0x767/0x920 [ 174.261063][ C0] ? netlink_sendmsg+0xa31/0xd50 [ 174.265985][ C0] ? __sys_sendto+0x442/0x5e0 [ 174.270647][ C0] ? __x64_sys_sendto+0xe5/0x100 [ 174.275569][ C0] ? do_syscall_64+0xf7/0x1c0 [ 174.280234][ C0] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.286295][ C0] ? __kasan_check_read+0x11/0x20 [ 174.291308][ C0] ? mark_lock+0x107/0x1650 [ 174.295803][ C0] ? do_raw_spin_unlock+0x142/0x950 [ 174.300993][ C0] ? _raw_spin_unlock+0x27/0x40 [ 174.305832][ C0] ? cache_grow_end+0x143/0x170 [ 174.310676][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 174.315952][ C0] ? kmem_cache_alloc_node_trace+0x1c5/0x2d0 [ 174.321927][ C0] kasan_kmalloc+0x9/0x10 [ 174.326244][ C0] kmem_cache_alloc_node_trace+0x24c/0x2d0 [ 174.332042][ C0] ? __kmalloc_node_track_caller+0x3c/0x60 [ 174.337844][ C0] __kmalloc_node_track_caller+0x3c/0x60 [ 174.343479][ C0] ? rtmsg_ifinfo_build_skb+0x7f/0x180 [ 174.348925][ C0] __alloc_skb+0xe8/0x500 [ 174.353249][ C0] rtmsg_ifinfo_build_skb+0x7f/0x180 [ 174.358553][ C0] rtmsg_ifinfo+0x77/0x120 [ 174.362978][ C0] __dev_notify_flags+0x7c/0x4d0 [ 174.367904][ C0] ? kfree+0x194/0x200 [ 174.371963][ C0] dev_change_flags+0xec/0x190 [ 174.376722][ C0] do_setlink+0xb2e/0x3960 [ 174.381157][ C0] ? __nla_validate_parse+0x18cd/0x1f40 [ 174.386700][ C0] ? __kasan_check_read+0x11/0x20 [ 174.391718][ C0] rtnl_newlink+0x14dd/0x1bd0 [ 174.396389][ C0] ? rtnl_newlink+0x351/0x1bd0 [ 174.401200][ C0] ? __mutex_lock_common+0x4f5/0x2e10 [ 174.406560][ C0] ? rtnetlink_rcv_msg+0x83c/0xd40 [ 174.411662][ C0] ? rcu_lock_release+0x9/0x30 [ 174.416430][ C0] ? rtnl_setlink+0x490/0x490 [ 174.421097][ C0] rtnetlink_rcv_msg+0x889/0xd40 [ 174.426063][ C0] ? rcu_lock_release+0x9/0x30 [ 174.430822][ C0] ? rcu_lock_release+0x9/0x30 [ 174.435584][ C0] ? rcu_lock_release+0x9/0x30 [ 174.440348][ C0] netlink_rcv_skb+0x19e/0x3d0 [ 174.445109][ C0] ? rtnetlink_bind+0x80/0x80 [ 174.449791][ C0] rtnetlink_rcv+0x1c/0x20 [ 174.454200][ C0] netlink_unicast+0x767/0x920 [ 174.458962][ C0] netlink_sendmsg+0xa31/0xd50 [ 174.463725][ C0] ? netlink_getsockopt+0x9f0/0x9f0 [ 174.468917][ C0] __sys_sendto+0x442/0x5e0 [ 174.473424][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 174.479568][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 174.485281][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 174.490754][ C0] __x64_sys_sendto+0xe5/0x100 [ 174.495539][ C0] do_syscall_64+0xf7/0x1c0 [ 174.500044][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.505932][ C0] RIP: 0033:0x414c43 [ 174.509837][ C0] Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 2d 38 66 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff [ 174.529437][ C0] RSP: 002b:00007ffe443792d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 174.537844][ C0] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414c43 [ 174.545804][ C0] RDX: 000000000000002c RSI: 0000000000a72250 RDI: 0000000000000003 [ 174.553769][ C0] RBP: 0000000000000000 R08: 00007ffe443792e0 R09: 000000000000000c [ 174.561730][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 174.569692][ C0] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003