[ 44.243643][ T23] audit: type=1800 audit(1578452817.006:25): pid=8263 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.263286][ T23] audit: type=1800 audit(1578452817.006:26): pid=8263 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.332025][ T23] audit: type=1800 audit(1578452817.006:27): pid=8263 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 44.362511][ T23] audit: type=1800 audit(1578452817.016:28): pid=8263 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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 '10.128.0.103' (ECDSA) to the list of known hosts. 2020/01/08 03:07:06 fuzzer started 2020/01/08 03:07:08 dialing manager at 10.128.0.26:35703 syzkaller login: [ 55.372948][ T8422] ld (8422) used greatest stack depth: 23416 bytes left 2020/01/08 03:07:08 syscalls: 2824 2020/01/08 03:07:08 code coverage: enabled 2020/01/08 03:07:08 comparison tracing: enabled 2020/01/08 03:07:08 extra coverage: enabled 2020/01/08 03:07:08 setuid sandbox: enabled 2020/01/08 03:07:08 namespace sandbox: enabled 2020/01/08 03:07:08 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:07:08 fault injection: enabled 2020/01/08 03:07:08 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:07:08 net packet injection: enabled 2020/01/08 03:07:08 net device setup: enabled 2020/01/08 03:07:08 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:07:08 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:07:09 executing program 0: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f0000000300)=0x80, 0x4) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e23, @broadcast}, 0x10) socket$inet(0x2, 0x3, 0x20000000084) r1 = dup(r0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000000180)='lp\x00', 0x3) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f00000003c0), 0x4) write$binfmt_elf64(r0, &(0x7f0000000100)=ANY=[@ANYRES32, @ANYRES16=0x0], 0x2bcf) shutdown(r0, 0x1) recvmsg(r0, &(0x7f0000001440)={0x0, 0xa, &(0x7f00000015c0)=[{&(0x7f0000001600)=""/4096, 0xf99e}], 0x1, 0x0, 0xff96ce4aaaa47475, 0x7115}, 0x100) 03:07:09 executing program 1: r0 = socket$key(0xf, 0x3, 0x2) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) r2 = dup2(r0, r1) sendmsg$key(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x2, 0xa, 0x0, 0x0, 0x2}, 0x10}}, 0x0) [ 56.659914][ T8428] IPVS: ftp: loaded support on port[0] = 21 [ 56.797441][ T8428] chnl_net:caif_netlink_parms(): no params data found [ 56.843753][ T8428] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.851297][ T8428] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.859549][ T8428] device bridge_slave_0 entered promiscuous mode [ 56.869368][ T8428] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.877450][ T8428] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.886344][ T8428] device bridge_slave_1 entered promiscuous mode [ 56.908862][ T8428] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.920357][ T8428] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.935861][ T8431] IPVS: ftp: loaded support on port[0] = 21 [ 56.952527][ T8428] team0: Port device team_slave_0 added 03:07:09 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x5) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") socket$alg(0x26, 0x5, 0x0) socket$isdn(0x22, 0x3, 0x11) sendto$x25(0xffffffffffffffff, 0x0, 0x0, 0x8000, 0x0, 0x0) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r1, 0x40045431, 0x0) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f0000000300)=ANY=[@ANYRES32=0x0], 0x0) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, 0x0, 0x0) ioctl$TCSETS(0xffffffffffffffff, 0x40045431, 0x0) [ 56.961451][ T8428] team0: Port device team_slave_1 added [ 57.034670][ T8428] device hsr_slave_0 entered promiscuous mode [ 57.082268][ T8428] device hsr_slave_1 entered promiscuous mode [ 57.141223][ T8433] IPVS: ftp: loaded support on port[0] = 21 03:07:10 executing program 3: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = fsopen(&(0x7f0000000000)='configfs\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r3, 0x6, 0x0, 0x0, 0x0) [ 57.321686][ T8431] chnl_net:caif_netlink_parms(): no params data found [ 57.394626][ T8428] netdevsim netdevsim0 netdevsim0: renamed from eth0 03:07:10 executing program 4: clock_nanosleep(0x4, 0x1, &(0x7f0000000780)={0x0, 0x1c9c380}, 0x0) perf_event_open(&(0x7f0000000000)={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, 0x0) r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000200)={0x2, 0x4e23, @dev}, 0x10) sendto$inet(r0, 0x0, 0xfffffffffffffc6d, 0x20000800, &(0x7f0000000240)={0x2, 0x4e23, @local}, 0x10) sendto$inet(r0, &(0x7f0000000000), 0xfffffffffffffccf, 0x240, 0x0, 0xffffffffffffff37) [ 57.519880][ T8437] IPVS: ftp: loaded support on port[0] = 21 [ 57.538395][ T8428] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.632607][ T8428] netdevsim netdevsim0 netdevsim2: renamed from eth2 03:07:10 executing program 5: ioctl$USBDEVFS_SUBMITURB(0xffffffffffffffff, 0x8038550a, 0x0) syz_open_dev$swradio(0x0, 0x1, 0x2) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0xd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x0, 0x3}}, 0x0, 0xbdffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote}, 0x1c) socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(0xffffffffffffffff, 0x0, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000fe6000), 0x2c) bpf$MAP_LOOKUP_ELEM(0x3, 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) recvmsg$can_bcm(0xffffffffffffffff, 0x0, 0x0) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) r1 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r0, 0x84, 0x19, &(0x7f00000000c0)={r2}, 0x8) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x22, &(0x7f0000001700)={0x6, 0x10, 0x200, 0x6, r2}, &(0x7f0000001740)=0x10) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) [ 57.697074][ T8428] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.747357][ T8433] chnl_net:caif_netlink_parms(): no params data found [ 57.765070][ T8439] IPVS: ftp: loaded support on port[0] = 21 [ 57.849917][ T8431] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.857923][ T8431] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.866093][ T8431] device bridge_slave_0 entered promiscuous mode [ 57.875625][ T8431] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.883110][ T8431] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.890624][ T8431] device bridge_slave_1 entered promiscuous mode [ 57.904345][ T8433] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.911401][ T8433] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.920937][ T8433] device bridge_slave_0 entered promiscuous mode [ 57.933550][ T8433] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.940619][ T8433] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.949488][ T8433] device bridge_slave_1 entered promiscuous mode [ 57.966980][ T8431] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.977758][ T8431] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.013971][ T8431] team0: Port device team_slave_0 added [ 58.021442][ T8431] team0: Port device team_slave_1 added [ 58.045453][ T8441] IPVS: ftp: loaded support on port[0] = 21 [ 58.051672][ T8433] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.085540][ T8433] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.173584][ T8431] device hsr_slave_0 entered promiscuous mode [ 58.212220][ T8431] device hsr_slave_1 entered promiscuous mode [ 58.292073][ T8431] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.299788][ T8431] Cannot create hsr debugfs directory [ 58.309459][ T8433] team0: Port device team_slave_0 added [ 58.345013][ T8437] chnl_net:caif_netlink_parms(): no params data found [ 58.356879][ T8433] team0: Port device team_slave_1 added [ 58.473880][ T8433] device hsr_slave_0 entered promiscuous mode [ 58.512292][ T8433] device hsr_slave_1 entered promiscuous mode [ 58.582456][ T8433] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.591756][ T8433] Cannot create hsr debugfs directory [ 58.597681][ T8439] chnl_net:caif_netlink_parms(): no params data found [ 58.607726][ T8437] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.614858][ T8437] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.622812][ T8437] device bridge_slave_0 entered promiscuous mode [ 58.651891][ T8437] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.659070][ T8437] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.667031][ T8437] device bridge_slave_1 entered promiscuous mode [ 58.712487][ T8437] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.731831][ T8437] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.754119][ T8437] team0: Port device team_slave_0 added [ 58.786665][ T8428] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.805717][ T8437] team0: Port device team_slave_1 added [ 58.827695][ T8441] chnl_net:caif_netlink_parms(): no params data found [ 58.846518][ T8439] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.855244][ T8439] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.864788][ T8439] device bridge_slave_0 entered promiscuous mode [ 58.879540][ T8439] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.887445][ T8439] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.895735][ T8439] device bridge_slave_1 entered promiscuous mode [ 58.973726][ T8437] device hsr_slave_0 entered promiscuous mode [ 59.022464][ T8437] device hsr_slave_1 entered promiscuous mode [ 59.062028][ T8437] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.069605][ T8437] Cannot create hsr debugfs directory [ 59.111874][ T8441] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.121292][ T8441] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.129178][ T8441] device bridge_slave_0 entered promiscuous mode [ 59.137615][ T8441] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.145226][ T8441] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.153374][ T8441] device bridge_slave_1 entered promiscuous mode [ 59.165537][ T8439] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.198409][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.207635][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.217986][ T8428] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.235371][ T8439] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.245644][ T8431] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.296845][ T8431] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.346099][ T8431] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.408269][ T8431] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.468216][ T2637] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.477750][ T2637] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.486414][ T2637] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.493593][ T2637] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.508894][ T8441] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.535300][ T8441] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.558392][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.567799][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.576640][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.585417][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.592976][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.602932][ T8439] team0: Port device team_slave_0 added [ 59.619224][ T8433] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.678388][ T8433] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.736843][ T8433] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.785327][ T8441] team0: Port device team_slave_0 added [ 59.797639][ T8439] team0: Port device team_slave_1 added [ 59.807514][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.816641][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.832196][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.840605][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.849103][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.857583][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.866379][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.874705][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.883345][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.891241][ T8433] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.944800][ T8441] team0: Port device team_slave_1 added [ 59.967338][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.975809][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.990276][ T8428] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.044045][ T8439] device hsr_slave_0 entered promiscuous mode [ 60.082422][ T8439] device hsr_slave_1 entered promiscuous mode [ 60.132230][ T8439] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.139828][ T8439] Cannot create hsr debugfs directory [ 60.184113][ T8441] device hsr_slave_0 entered promiscuous mode [ 60.222405][ T8441] device hsr_slave_1 entered promiscuous mode [ 60.262079][ T8441] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.269711][ T8441] Cannot create hsr debugfs directory [ 60.275834][ T8437] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.354253][ T8437] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.424502][ T8437] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.466012][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.474057][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.488055][ T8428] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.507051][ T8437] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.649261][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.659465][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.740293][ T8439] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.775232][ T8431] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.792667][ T8441] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.835134][ T8441] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.893872][ T8439] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.954371][ T8439] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.998447][ T8439] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.070654][ T8431] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.081700][ T8441] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.115794][ T8433] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.123422][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 61.132925][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.141452][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.149391][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.157383][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.165558][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.174654][ T8428] device veth0_vlan entered promiscuous mode [ 61.192174][ T8441] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 61.244024][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.252841][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.261094][ T8446] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.268198][ T8446] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.275894][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.285075][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.293547][ T8446] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.300588][ T8446] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.308221][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.316179][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.325120][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.350682][ T8433] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.366361][ T8437] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.373526][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.383642][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.393499][ T8428] device veth1_vlan entered promiscuous mode [ 61.427920][ T2637] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.437211][ T2637] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.446962][ T2637] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.455724][ T2637] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.464508][ T2637] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.472530][ T2637] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.480157][ T2637] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.488687][ T2637] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.497204][ T2637] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.505885][ T2637] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.514381][ T2637] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.524884][ T2637] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.532497][ T2637] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.540729][ T2637] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.549009][ T2637] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.557579][ T2637] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.566128][ T2637] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.574842][ T2637] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.582839][ T2637] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.595119][ T8437] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.614990][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.625035][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.633358][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.642200][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.650703][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.659501][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.668489][ T29] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.679091][ T8431] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.721464][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.735286][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.747142][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.756432][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.764701][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.773076][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.781708][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.790192][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.797280][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.805472][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.814094][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.822562][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.841754][ T8433] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.854011][ T8433] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.870776][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.891834][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.906526][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.915849][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.954601][ T8431] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.981918][ T8437] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.995477][ T8437] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.044956][ T8433] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.098397][ T8433] device veth0_vlan entered promiscuous mode [ 62.111810][ T8433] device veth1_vlan entered promiscuous mode [ 166.891929][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.898941][ C0] rcu: 0-....: (10499 ticks this GP) idle=482/1/0x4000000000000002 softirq=11102/11102 fqs=2739 [ 166.909712][ C0] (t=10501 jiffies g=6537 q=840) [ 166.914729][ C0] rcu: rcu_preempt kthread starved for 5023 jiffies! g6537 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 166.925758][ C0] rcu: RCU grace-period kthread stack dump: [ 166.931646][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 166.939710][ C0] Call Trace: [ 166.942997][ C0] __schedule+0x9a0/0xcc0 [ 166.947338][ C0] schedule+0x181/0x210 [ 166.951487][ C0] schedule_timeout+0x14f/0x240 [ 166.956437][ C0] ? run_local_timers+0x120/0x120 [ 166.961455][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.966217][ C0] kthread+0x332/0x350 [ 166.970292][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.975567][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.980153][ C0] ret_from_fork+0x24/0x30 [ 166.984589][ C0] NMI backtrace for cpu 0 [ 166.988909][ C0] CPU: 0 PID: 8428 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 166.997477][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.007519][ C0] Call Trace: [ 167.010796][ C0] [ 167.013640][ C0] dump_stack+0x1fb/0x318 [ 167.017963][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.022886][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.029208][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.035824][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.041795][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.047689][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.052793][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.057988][ C0] ? trace_hardirqs_off+0x74/0x80 [ 167.063005][ C0] update_process_times+0x12d/0x180 [ 167.068195][ C0] tick_sched_timer+0x263/0x420 [ 167.073037][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.078590][ C0] __hrtimer_run_queues+0x403/0x840 [ 167.083793][ C0] hrtimer_interrupt+0x38c/0xda0 [ 167.088746][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.094021][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 167.099580][ C0] apic_timer_interrupt+0xf/0x20 [ 167.104510][ C0] [ 167.107552][ C0] RIP: 0010:free_thread_stack+0x18b/0x590 [ 167.113348][ C0] Code: ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 39 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 1b 94 6a 00 48 8b 1b e9 82 ff ff ff e8 be 2b 2e [ 167.133682][ C0] RSP: 0018:ffffc90001da7668 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.142087][ C0] RAX: 1ffff11014d9bd81 RBX: ffff8880a6cdec08 RCX: ffff88809f206280 [ 167.150218][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002999c00 [ 167.158179][ C0] RBP: ffffc90001da76a0 R08: dffffc0000000000 R09: fffffbfff124248a [ 167.166343][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a6cdeca0 [ 167.174618][ C0] R13: dffffc0000000000 R14: 1ffff11014d9bd94 R15: ffff8880984a75f8 [ 167.182628][ C0] ? free_thread_stack+0x168/0x590 [ 167.187756][ C0] put_task_stack+0xa3/0x130 [ 167.192876][ C0] finish_task_switch+0x3f1/0x550 [ 167.197988][ C0] __schedule+0x9a8/0xcc0 [ 167.202337][ C0] preempt_schedule_irq+0xc1/0x140 [ 167.207438][ C0] retint_kernel+0x1b/0x2b [ 167.211848][ C0] RIP: 0010:lock_is_held_type+0x25c/0x2b0 [ 167.217561][ C0] Code: 68 95 2a 89 48 c1 e8 03 42 80 3c 30 00 74 0c 48 c7 c7 68 95 2a 89 e8 33 50 57 00 48 83 3d c3 be ce 07 00 74 56 4c 89 e7 57 9d <0f> 1f 44 00 00 89 d8 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 [ 167.237601][ C0] RSP: 0018:ffffc90001da78b8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff02 [ 167.246613][ C0] RAX: 1ffffffff12552ad RBX: 0000000000000000 RCX: 0000000000000001 [ 167.254662][ C0] RDX: dffffc0000000000 RSI: ffff88809f206b88 RDI: 0000000000000286 [ 167.262714][ C0] RBP: ffffc90001da7908 R08: dffffc0000000000 R09: ffffed1012ae5577 [ 167.270675][ C0] R10: ffffed1012ae5577 R11: 0000000000000000 R12: 0000000000000286 [ 167.278635][ C0] R13: ffff88809f206b14 R14: dffffc0000000000 R15: 1ffff11013e40d62 [ 167.286622][ C0] ___might_sleep+0x3e/0x5e0 [ 167.291315][ C0] copy_page_range+0x249a/0x29a0 [ 167.296276][ C0] ? __vma_link_rb+0x839/0x860 [ 167.301037][ C0] dup_mmap+0xa01/0xe00 [ 167.305197][ C0] dup_mm+0x9e/0x340 [ 167.309347][ C0] copy_process+0x1e49/0x5510 [ 167.314040][ C0] _do_fork+0x13e/0x660 [ 167.318185][ C0] ? check_preemption_disabled+0xb4/0x260 [ 167.323890][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.329252][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 167.334640][ C0] __x64_sys_clone+0x20b/0x250 [ 167.339402][ C0] do_syscall_64+0xf7/0x1c0 [ 167.343907][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.349873][ C0] RIP: 0033:0x45951a [ 167.353771][ C0] Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 [ 167.374407][ C0] RSP: 002b:00007ffe261c6260 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 167.383017][ C0] RAX: ffffffffffffffda RBX: 00007ffe261c6260 RCX: 000000000045951a [ 167.391433][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 167.399843][ C0] RBP: 00007ffe261c62a0 R08: 0000000000000001 R09: 00000000028cf940 [ 167.407909][ C0] R10: 00000000028cfc10 R11: 0000000000000246 R12: 0000000000000001 [ 167.416328][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe261c62f0