[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.897016][ T28] audit: type=1800 audit(1578455642.661:25): pid=8204 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.915975][ T28] audit: type=1800 audit(1578455642.661:26): pid=8204 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.942784][ T28] audit: type=1800 audit(1578455642.671:27): pid=8204 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 '10.128.0.4' (ECDSA) to the list of known hosts. 2020/01/08 03:54:13 fuzzer started 2020/01/08 03:54:16 dialing manager at 10.128.0.26:35703 2020/01/08 03:54:16 syscalls: 2824 2020/01/08 03:54:16 code coverage: enabled 2020/01/08 03:54:16 comparison tracing: enabled 2020/01/08 03:54:16 extra coverage: enabled 2020/01/08 03:54:16 setuid sandbox: enabled 2020/01/08 03:54:16 namespace sandbox: enabled 2020/01/08 03:54:16 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:54:16 fault injection: enabled 2020/01/08 03:54:16 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:54:16 net packet injection: enabled 2020/01/08 03:54:16 net device setup: enabled 2020/01/08 03:54:16 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:54:16 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:54:17 executing program 0: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r2, &(0x7f0000000100)={0x2, 0x0, @remote}, 0x10) r3 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_ifreq(r3, 0x8937, &(0x7f0000000180)={'veth0_to_hsr\x00', @ifru_settings={0x10001, 0x0, @fr=0x0}}) setsockopt$inet_IP_XFRM_POLICY(r2, 0x0, 0x11, &(0x7f00000001c0)={{{@in=@local, @in6=@loopback}}, {{@in=@local}, 0x0, @in6=@mcast2}}, 0xe8) 03:54:17 executing program 1: mmap(&(0x7f0000600000/0x4000)=nil, 0x4000, 0x0, 0x44031, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000080)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000f8dfe0)={{&(0x7f00002a9000/0xc00000)=nil, 0xc00000}, 0x1}) ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000040)={{&(0x7f000069f000/0x4000)=nil, 0x4000}}) syzkaller login: [ 59.591237][ T8370] IPVS: ftp: loaded support on port[0] = 21 [ 59.728294][ T8370] chnl_net:caif_netlink_parms(): no params data found 03:54:17 executing program 2: mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0) rt_sigaction(0x0, &(0x7f0000000440)={0x0, {}, 0x0, 0x0}, 0x0, 0x8, &(0x7f0000000580)) [ 59.798878][ T8370] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.807107][ T8370] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.823791][ T8370] device bridge_slave_0 entered promiscuous mode [ 59.843363][ T8370] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.860810][ T8370] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.883591][ T8370] device bridge_slave_1 entered promiscuous mode [ 59.901292][ T8373] IPVS: ftp: loaded support on port[0] = 21 [ 59.947378][ T8370] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.972453][ T8370] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.021053][ T8370] team0: Port device team_slave_0 added [ 60.044727][ T8370] team0: Port device team_slave_1 added 03:54:17 executing program 3: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) sendto$netrom(r2, &(0x7f0000000000)="e8", 0x1, 0x40, 0x0, 0x0) [ 60.147512][ T8370] device hsr_slave_0 entered promiscuous mode [ 60.203056][ T8370] device hsr_slave_1 entered promiscuous mode 03:54:18 executing program 4: ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) getsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) perf_event_open(&(0x7f00000000c0)={0x2, 0x70, 0x3f, 0x5, 0x7, 0x40, 0x0, 0xffff, 0x2, 0x2, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x6, 0x0, @perf_bp={&(0x7f0000000040), 0xd}, 0x4000, 0xffff, 0xe905, 0x8, 0x40, 0x7, 0x6}, 0x0, 0x5, 0xffffffffffffffff, 0xfd36a1adbeba1b8a) mknod(&(0x7f0000000200)='./bus\x00', 0x0, 0x0) mknod(&(0x7f0000000180)='./file0\x00', 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x180000105, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f000000a000)={0x4, 0x70, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x2, 0x3f}, 0x8000000200000402, 0x800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000)) [ 60.274106][ T8375] IPVS: ftp: loaded support on port[0] = 21 [ 60.296722][ T8379] IPVS: ftp: loaded support on port[0] = 21 [ 60.304554][ T8373] chnl_net:caif_netlink_parms(): no params data found [ 60.448388][ T8373] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.462902][ T8373] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.470734][ T8373] device bridge_slave_0 entered promiscuous mode [ 60.507892][ T8373] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.509082][ T8381] IPVS: ftp: loaded support on port[0] = 21 [ 60.515818][ T8373] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.529291][ T8373] device bridge_slave_1 entered promiscuous mode [ 60.576514][ T8370] netdevsim netdevsim0 netdevsim0: renamed from eth0 03:54:18 executing program 5: r0 = syz_open_dev$video(&(0x7f0000000080)='/dev/video#\x00', 0x6cf, 0x0) ioctl$VIDIOC_ENUM_FRAMEINTERVALS(r0, 0xc034564b, &(0x7f0000000040)={0x0, 0x47425247, 0x0, 0x0, 0x0, @stepwise}) [ 60.704962][ T8370] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.746616][ T8370] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.800608][ T8373] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.826655][ T8370] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.882209][ T8375] chnl_net:caif_netlink_parms(): no params data found [ 60.891287][ T8373] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.915296][ T8373] team0: Port device team_slave_0 added [ 60.922650][ T8373] team0: Port device team_slave_1 added [ 60.940297][ T8384] IPVS: ftp: loaded support on port[0] = 21 [ 60.978103][ T8379] chnl_net:caif_netlink_parms(): no params data found [ 61.055592][ T8373] device hsr_slave_0 entered promiscuous mode [ 61.093235][ T8373] device hsr_slave_1 entered promiscuous mode [ 61.132878][ T8373] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.140681][ T8373] Cannot create hsr debugfs directory [ 61.178020][ T8375] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.186109][ T8375] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.194243][ T8375] device bridge_slave_0 entered promiscuous mode [ 61.233861][ T8375] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.241056][ T8375] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.248851][ T8375] device bridge_slave_1 entered promiscuous mode [ 61.271893][ T8381] chnl_net:caif_netlink_parms(): no params data found [ 61.303765][ T8375] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.327008][ T8379] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.336313][ T8379] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.344116][ T8379] device bridge_slave_0 entered promiscuous mode [ 61.352867][ T8375] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.381416][ T8379] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.389862][ T8379] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.397569][ T8379] device bridge_slave_1 entered promiscuous mode [ 61.413536][ T8381] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.420593][ T8381] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.434437][ T8381] device bridge_slave_0 entered promiscuous mode [ 61.454848][ T8375] team0: Port device team_slave_0 added [ 61.463513][ T8375] team0: Port device team_slave_1 added [ 61.474822][ T8381] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.482070][ T8381] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.490533][ T8381] device bridge_slave_1 entered promiscuous mode [ 61.522936][ T8381] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.537686][ T8379] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.594783][ T8375] device hsr_slave_0 entered promiscuous mode [ 61.643109][ T8375] device hsr_slave_1 entered promiscuous mode [ 61.702858][ T8375] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.710437][ T8375] Cannot create hsr debugfs directory [ 61.717520][ T8381] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.747252][ T8379] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.777703][ T8373] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.846633][ T8373] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.902051][ T8379] team0: Port device team_slave_0 added [ 61.924733][ T8381] team0: Port device team_slave_0 added [ 61.937871][ T8373] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.985014][ T8373] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 62.025704][ T8379] team0: Port device team_slave_1 added [ 62.036409][ T8384] chnl_net:caif_netlink_parms(): no params data found [ 62.046419][ T8381] team0: Port device team_slave_1 added [ 62.115774][ T8379] device hsr_slave_0 entered promiscuous mode [ 62.153125][ T8379] device hsr_slave_1 entered promiscuous mode [ 62.213037][ T8379] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.220667][ T8379] Cannot create hsr debugfs directory [ 62.344546][ T8381] device hsr_slave_0 entered promiscuous mode [ 62.383867][ T8381] device hsr_slave_1 entered promiscuous mode [ 62.422825][ T8381] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.430412][ T8381] Cannot create hsr debugfs directory [ 62.455247][ T8384] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.462377][ T8384] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.473871][ T8384] device bridge_slave_0 entered promiscuous mode [ 62.481897][ T8384] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.489244][ T8384] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.496990][ T8384] device bridge_slave_1 entered promiscuous mode [ 62.516384][ T8375] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.551216][ T8370] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.575486][ T8375] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.650635][ T8384] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.661433][ T8375] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.715727][ T8375] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.786048][ T8384] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.810763][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.821271][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.845408][ T8379] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.884608][ T8379] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.935255][ T8379] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.976010][ T8384] team0: Port device team_slave_0 added [ 62.984910][ T8379] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 63.049702][ T8370] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.059123][ T8384] team0: Port device team_slave_1 added [ 63.090537][ T8381] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 63.145059][ T8381] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 63.176043][ T8381] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 63.214704][ T8381] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.254444][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.266272][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.274814][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.281921][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.291950][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.315203][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.327170][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.336009][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.343099][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.425029][ T8384] device hsr_slave_0 entered promiscuous mode [ 63.473220][ T8384] device hsr_slave_1 entered promiscuous mode [ 63.512960][ T8384] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.520553][ T8384] Cannot create hsr debugfs directory [ 63.548026][ T8373] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.565314][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.598781][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.608510][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.617054][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.625685][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.634362][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.642592][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.651542][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.659969][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.668241][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.676460][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.714057][ T8370] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.728028][ T8373] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.751511][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.761704][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.794036][ T8384] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.858605][ T8384] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 63.914712][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.923431][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.931789][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.938894][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.946938][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.955703][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.964203][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.971298][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.978885][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.987546][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.996629][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.016934][ T8384] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 64.065374][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.073207][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.080583][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.089259][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.097875][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.120253][ T8379] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.130713][ T8375] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.141202][ T3974] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.153225][ T3974] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.161987][ T8384] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 64.192273][ T8381] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.205209][ T8370] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.217948][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.227070][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.237043][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.245382][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.258595][ T8373] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.271244][ T8373] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.283864][ T8375] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.299328][ T8381] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.309934][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.318752][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.327158][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.335932][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.350295][ T8379] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.377390][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.385710][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.393816][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.402247][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.411225][ T2668] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.418388][ T2668] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.426366][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.434967][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.444695][ T2668] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.451739][ T2668] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.460081][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.469597][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.477622][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.486161][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.520273][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.528946][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.538291][ T27] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.545406][ T27] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.556219][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.563803][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.571181][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.579782][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.588313][ T27] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.595426][ T27] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.603607][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.612065][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.621141][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.630143][ T27] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.637238][ T27] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.645335][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.654027][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.662334][ T27] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.669446][ T27] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.677016][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.686272][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.694972][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.703978][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.711843][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.723307][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.731961][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.761471][ T8373] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.769649][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.778668][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.787832][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.796569][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.805126][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.814015][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.852440][ T8375] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.864964][ T8375] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.878111][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.887162][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.895806][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.904409][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.913032][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.921417][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.929732][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.938288][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.946812][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.954966][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.963501][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.971851][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.980506][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.988834][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.997099][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.005604][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.014389][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.022493][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.030402][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.038088][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.047268][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.068377][ T8379] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.076171][ T8370] device veth0_vlan entered promiscuous mode [ 65.086765][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.095310][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.103591][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.112085][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.131160][ T8384] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.144585][ T8381] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.157255][ T8381] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.185184][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.193757][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.201854][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.210677][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.235657][ T8370] device veth1_vlan entered promiscuous mode [ 65.251363][ T8384] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.261935][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.270517][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.280010][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.288248][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.296436][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.303974][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.313283][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.320944][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.332372][ T8373] device veth0_vlan entered promiscuous mode [ 65.344730][ T8379] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.353127][ T8373] device veth1_vlan entered promiscuous mode [ 65.368721][ T8381] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.381676][ T8375] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.409762][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.423909][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.431572][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.471812][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.480728][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 170.492690][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.499531][ C1] rcu: 1-...!: (10499 ticks this GP) idle=d26/1/0x4000000000000002 softirq=11405/11405 fqs=1 [ 170.510081][ C1] (t=10500 jiffies g=6617 q=87) [ 170.515009][ C1] rcu: rcu_preempt kthread starved for 10498 jiffies! g6617 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 170.526091][ C1] rcu: RCU grace-period kthread stack dump: [ 170.531970][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 170.539855][ C1] Call Trace: [ 170.543143][ C1] __schedule+0x9a0/0xcc0 [ 170.547470][ C1] schedule+0x181/0x210 [ 170.551617][ C1] schedule_timeout+0x14f/0x240 [ 170.556455][ C1] ? run_local_timers+0x120/0x120 [ 170.562250][ C1] rcu_gp_kthread+0xed8/0x1770 [ 170.567012][ C1] kthread+0x332/0x350 [ 170.571065][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 170.576161][ C1] ? kthread_blkcg+0xe0/0xe0 [ 170.580760][ C1] ret_from_fork+0x24/0x30 [ 170.585197][ C1] NMI backtrace for cpu 1 [ 170.589521][ C1] CPU: 1 PID: 27 Comm: kworker/1:1 Not tainted 5.5.0-rc5-syzkaller #0 [ 170.597662][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.607719][ C1] Workqueue: events linkwatch_event [ 170.612907][ C1] Call Trace: [ 170.616183][ C1] [ 170.619024][ C1] dump_stack+0x1fb/0x318 [ 170.623348][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 170.628188][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 170.634348][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 170.640411][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 170.646387][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 170.652272][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 170.657383][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 170.662574][ C1] ? trace_hardirqs_off+0x74/0x80 [ 170.667587][ C1] update_process_times+0x12d/0x180 [ 170.672776][ C1] tick_sched_timer+0x263/0x420 [ 170.677614][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 170.683147][ C1] __hrtimer_run_queues+0x403/0x840 [ 170.688353][ C1] hrtimer_interrupt+0x38c/0xda0 [ 170.693294][ C1] ? debug_smp_processor_id+0x9/0x20 [ 170.698571][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 170.704105][ C1] apic_timer_interrupt+0xf/0x20 [ 170.709023][ C1] [ 170.711954][ C1] RIP: 0010:__memcg_kmem_uncharge+0x44/0x1a0 [ 170.717921][ C1] Code: fc ff df 4c 8d 77 38 4d 89 f5 49 c1 ed 03 41 80 7c 05 00 00 74 08 4c 89 f7 e8 48 07 fb ff 4d 8b 3e b8 01 00 00 00 89 d9 d3 e0 <4d> 85 ff 0f 84 de 00 00 00 4c 39 3d a4 be ac 07 0f 84 2c 01 00 00 [ 170.737509][ C1] RSP: 0018:ffffc90000e076c0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 170.745909][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 170.753869][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00023b3440 [ 170.761830][ C1] RBP: ffffc90000e076f0 R08: 000000000003a728 R09: fffffbfff124248a [ 170.769789][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffffea00023b3440 [ 170.777785][ C1] R13: 1ffffd400047668f R14: ffffea00023b3478 R15: 0000000000000000 [ 170.785766][ C1] ? free_thread_stack+0x124/0x590 [ 170.790866][ C1] free_thread_stack+0x12e/0x590 [ 170.795794][ C1] put_task_stack+0xa3/0x130 [ 170.800377][ C1] finish_task_switch+0x3f1/0x550 [ 170.805394][ C1] __schedule+0x9a8/0xcc0 [ 170.809810][ C1] ? ___preempt_schedule+0x16/0x18 [ 170.815009][ C1] preempt_schedule+0xdb/0x120 [ 170.819760][ C1] ___preempt_schedule+0x16/0x18 [ 170.824684][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 170.829349][ C1] ? vprintk_emit+0x368/0x3a0 [ 170.834016][ C1] vprintk_emit+0x36d/0x3a0 [ 170.838509][ C1] vprintk_default+0x28/0x30 [ 170.843087][ C1] vprintk_func+0x158/0x170 [ 170.847578][ C1] printk+0x62/0x8d [ 170.851486][ C1] ? addrconf_notify+0xd37/0x3c90 [ 170.856499][ C1] ? addrconf_notify+0x779/0x3c90 [ 170.861517][ C1] addrconf_notify+0x2c8d/0x3c90 [ 170.866450][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 170.871740][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 170.877101][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 170.882633][ C1] ? trace_hardirqs_on+0x74/0x80 [ 170.887561][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 170.892920][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 170.898452][ C1] ? tls_dev_event+0x619/0xc00 [ 170.903203][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 170.908735][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 170.913927][ C1] raw_notifier_call_chain+0xec/0x190 [ 170.919313][ C1] netdev_state_change+0x147/0x1f0 [ 170.924423][ C1] linkwatch_do_dev+0x10e/0x160 [ 170.929275][ C1] __linkwatch_run_queue+0x446/0x730 [ 170.934573][ C1] linkwatch_event+0x4c/0x60 [ 170.939166][ C1] process_one_work+0x7ef/0x10d0 [ 170.944117][ C1] worker_thread+0xc01/0x1630 [ 170.948812][ C1] kthread+0x332/0x350 [ 170.952871][ C1] ? rcu_lock_release+0x30/0x30 [ 170.957711][ C1] ? kthread_blkcg+0xe0/0xe0 [ 170.962292][ C1] ret_from_fork+0x24/0x30