[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.226862][ T25] audit: type=1800 audit(1575430282.431:25): pid=8132 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.254006][ T25] audit: type=1800 audit(1575430282.431:26): pid=8132 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.295379][ T25] audit: type=1800 audit(1575430282.441:27): pid=8132 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 '10.128.0.174' (ECDSA) to the list of known hosts. 2019/12/04 03:31:32 fuzzer started 2019/12/04 03:31:33 dialing manager at 10.128.0.26:42111 2019/12/04 03:31:33 syscalls: 2689 2019/12/04 03:31:33 code coverage: enabled 2019/12/04 03:31:33 comparison tracing: enabled 2019/12/04 03:31:33 extra coverage: extra coverage is not supported by the kernel 2019/12/04 03:31:33 setuid sandbox: enabled 2019/12/04 03:31:33 namespace sandbox: enabled 2019/12/04 03:31:33 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 03:31:33 fault injection: enabled 2019/12/04 03:31:33 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 03:31:33 net packet injection: enabled 2019/12/04 03:31:33 net device setup: enabled 2019/12/04 03:31:33 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 03:31:33 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:31:34 executing program 0: socketpair$unix(0x1, 0x20000000005, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000100)={'syz_tun\x00'}) r1 = epoll_create1(0x0) r2 = socket$vsock_stream(0x28, 0x1, 0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r2, &(0x7f0000c85000)) r3 = epoll_create1(0x0) r4 = socket$vsock_stream(0x28, 0x1, 0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r4, &(0x7f0000c85000)) epoll_create1(0x0) r5 = socket$vsock_stream(0x28, 0x1, 0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r5, &(0x7f0000c85000)) r6 = socket$nl_route(0x10, 0x3, 0x0) r7 = socket$nl_route(0x10, 0x3, 0x0) r8 = socket$netlink(0x10, 0x3, 0x0) r9 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r9, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r8, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, r10}, [@IFLA_LINKINFO={0x28, 0x12, @veth={{0xc, 0x1, 'veth\x00'}, {0x18, 0x2, @VETH_INFO_PEER={0x14}}}}]}, 0x48}}, 0x0) sendmsg$nl_route_sched(r7, &(0x7f0000000240)={0x0, 0x243, &(0x7f0000000080)={&(0x7f0000000280)=ANY=[@ANYBLOB="400000002400070500000000000080001d6b5cd1", @ANYRES32=r10, @ANYBLOB="00000000ffffffff0000000014000100706669666f5f686561645f64726f70000800020000000000"], 0x40}}, 0x0) sendmsg$nl_route_sched(r6, &(0x7f0000000240)={0x0, 0xffffffffffffff31, &(0x7f0000000080)={&(0x7f0000000300)=ANY=[@ANYBLOB="480000002500070510000b000000000000000000", @ANYRES32=r10, @ANYBLOB="00000000ffffffff00000000240008001c00010000000000000000000000000000000000000000000000000004000200"], 0x48}}, 0x0) 03:31:35 executing program 1: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup3(r1, r0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$kcm(0x10, 0x3, 0x0) sendmsg$kcm(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000000c0)="23000000420081aee405e9a4000000000000c6ff07d800400300"/35, 0x23}], 0x1}, 0x0) recvmsg$kcm(r3, &(0x7f0000001740)={0x0, 0x0, &(0x7f0000000140)=[{&(0x7f0000000180)=""/101, 0x65}, {&(0x7f0000000280)=""/91, 0x5}, {&(0x7f0000000300)=""/4096, 0x1000}], 0x3}, 0x0) r4 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000019c0)='/dev/sequencer\x00', 0x1, 0x0) ioctl$FS_IOC_ENABLE_VERITY(0xffffffffffffffff, 0x40806685, &(0x7f0000001400)={0x1, 0x0, 0x1000, 0x0, 0x0, 0x48, 0x0, &(0x7f0000001380)="af0271ca04683a4847ca9cd86beec50cfb9f2ab9c85a11d1d1e9aba8b10335d4523882570a773eaa23839135750865283a6338d22847a40be7b6d8173b10780f68473ecd925f5076"}) write$sndseq(r4, &(0x7f0000000040)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @quote}], 0xff33) syzkaller login: [ 56.852199][ T8298] IPVS: ftp: loaded support on port[0] = 21 03:31:35 executing program 2: r0 = 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, 0xf7ffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) dup2(r0, r2) sendmsg$netlink(0xffffffffffffffff, &(0x7f0000028fc8), 0x0) recvmmsg(r1, &(0x7f00000038c0), 0x3fffffffffffdf5, 0x62, 0x0) [ 57.012244][ T8300] IPVS: ftp: loaded support on port[0] = 21 [ 57.022912][ T8298] chnl_net:caif_netlink_parms(): no params data found [ 57.118334][ T8298] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.126803][ T8298] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.135171][ T8298] device bridge_slave_0 entered promiscuous mode [ 57.157432][ T8298] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.165182][ T8298] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.173516][ T8298] device bridge_slave_1 entered promiscuous mode [ 57.239536][ T8304] IPVS: ftp: loaded support on port[0] = 21 [ 57.270336][ T8298] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 03:31:35 executing program 3: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet6_int(r0, 0x29, 0x22, 0x0, 0x24a) [ 57.289379][ T8300] chnl_net:caif_netlink_parms(): no params data found [ 57.311358][ T8298] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.395030][ T8298] team0: Port device team_slave_0 added [ 57.432667][ T8298] team0: Port device team_slave_1 added [ 57.455136][ T8300] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.462309][ T8300] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.471130][ T8300] device bridge_slave_0 entered promiscuous mode [ 57.555691][ T8300] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.562748][ T8300] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.583618][ T8300] device bridge_slave_1 entered promiscuous mode 03:31:35 executing program 4: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0xeb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x11, &(0x7f0000000000)={0x0, 0x0, 0x0}, &(0x7f0000000180)=0x10) [ 57.603619][ T8304] chnl_net:caif_netlink_parms(): no params data found [ 57.658471][ T8307] IPVS: ftp: loaded support on port[0] = 21 [ 57.686964][ T8298] device hsr_slave_0 entered promiscuous mode [ 57.744271][ T8298] device hsr_slave_1 entered promiscuous mode 03:31:36 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_VCPU_EVENTS(r2, 0x4040aea0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa, 0xe2}) [ 57.838542][ T8300] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.861386][ T8309] IPVS: ftp: loaded support on port[0] = 21 [ 57.895196][ T8304] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.902354][ T8304] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.910417][ T8304] device bridge_slave_0 entered promiscuous mode [ 57.919098][ T8300] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.940584][ T8304] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.949383][ T8304] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.957463][ T8304] device bridge_slave_1 entered promiscuous mode [ 57.991071][ T8298] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.035142][ T8300] team0: Port device team_slave_0 added [ 58.050675][ T8311] IPVS: ftp: loaded support on port[0] = 21 [ 58.080856][ T8298] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.128733][ T8298] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.186465][ T8300] team0: Port device team_slave_1 added [ 58.203450][ T8304] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.212610][ T8298] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.278539][ T8304] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.345271][ T8300] device hsr_slave_0 entered promiscuous mode [ 58.403345][ T8300] device hsr_slave_1 entered promiscuous mode [ 58.463192][ T8300] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.519820][ T8309] chnl_net:caif_netlink_parms(): no params data found [ 58.536191][ T8304] team0: Port device team_slave_0 added [ 58.566177][ T8304] team0: Port device team_slave_1 added [ 58.577876][ T8307] chnl_net:caif_netlink_parms(): no params data found [ 58.597460][ T8309] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.605478][ T8309] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.613946][ T8309] device bridge_slave_0 entered promiscuous mode [ 58.685824][ T8304] device hsr_slave_0 entered promiscuous mode [ 58.733563][ T8304] device hsr_slave_1 entered promiscuous mode [ 58.803217][ T8304] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.811289][ T8309] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.818843][ T8309] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.826988][ T8309] device bridge_slave_1 entered promiscuous mode [ 58.890606][ T8300] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.966231][ T8309] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.994227][ T8300] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.046165][ T8309] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.058768][ T8307] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.066774][ T8307] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.074543][ T8307] device bridge_slave_0 entered promiscuous mode [ 59.082328][ T8307] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.089855][ T8307] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.098224][ T8307] device bridge_slave_1 entered promiscuous mode [ 59.124566][ T8300] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.207502][ T8300] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.271547][ T8309] team0: Port device team_slave_0 added [ 59.280074][ T8304] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.336471][ T8307] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.351338][ T8298] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.362435][ T8309] team0: Port device team_slave_1 added [ 59.368405][ T8311] chnl_net:caif_netlink_parms(): no params data found [ 59.377457][ T8304] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.415460][ T8307] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.445497][ T8304] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.491541][ T8298] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.545747][ T8309] device hsr_slave_0 entered promiscuous mode [ 59.593850][ T8309] device hsr_slave_1 entered promiscuous mode [ 59.633114][ T8309] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.646229][ T8304] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.705032][ T3083] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.713789][ T3083] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.731819][ T8307] team0: Port device team_slave_0 added [ 59.739024][ T8307] team0: Port device team_slave_1 added [ 59.783814][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.792344][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.801157][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.808551][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.821210][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.829660][ T8309] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.886335][ T8309] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.944743][ T8309] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.005243][ T8309] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.045478][ T8311] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.052569][ T8311] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.060684][ T8311] device bridge_slave_0 entered promiscuous mode [ 60.071088][ T8311] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.078359][ T8311] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.087466][ T8311] device bridge_slave_1 entered promiscuous mode [ 60.106552][ T8311] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.123061][ T8311] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.136119][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.145070][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.153696][ T3689] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.160747][ T3689] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.177953][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.201312][ T8311] team0: Port device team_slave_0 added [ 60.275902][ T8307] device hsr_slave_0 entered promiscuous mode [ 60.323306][ T8307] device hsr_slave_1 entered promiscuous mode [ 60.373198][ T8307] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.382632][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.392074][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.401248][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.409538][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.419528][ T8311] team0: Port device team_slave_1 added [ 60.485838][ T8311] device hsr_slave_0 entered promiscuous mode [ 60.533466][ T8311] device hsr_slave_1 entered promiscuous mode [ 60.573234][ T8311] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.588034][ T3083] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.597066][ T3083] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.632179][ T8307] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.675494][ T8307] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.754289][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.762581][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.772020][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.780636][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.789207][ T8307] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.857338][ T8298] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.885023][ T8307] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.928721][ T8300] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.938968][ T8311] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.976596][ T8311] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.040684][ T8311] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.102103][ T8300] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.116039][ T8304] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.124451][ T8311] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 61.156308][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.164506][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.172077][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.179604][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.193739][ T8298] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.220055][ T8309] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.229319][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.238705][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.247975][ T3689] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.255180][ T3689] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.262775][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.271938][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.280434][ T3689] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.287498][ T3689] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.295724][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.304837][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.345616][ T8304] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.355692][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.367136][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.376936][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.385492][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.394425][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.402587][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.410284][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.418655][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.433869][ T8309] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.441492][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.450527][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.497284][ T8300] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.508785][ T8300] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.526018][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.534974][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.545905][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.556110][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.566033][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.574687][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.583300][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.590339][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.598226][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.607333][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.619231][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.626337][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.640792][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.649614][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.658630][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.667563][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 166.532952][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.539779][ C1] rcu: 1-...!: (10499 ticks this GP) idle=31e/1/0x4000000000000002 softirq=11894/11894 fqs=46 [ 166.550335][ C1] (t=10501 jiffies g=6545 q=386) [ 166.555348][ C1] rcu: rcu_preempt kthread starved for 10410 jiffies! g6545 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.566429][ C1] rcu: RCU grace-period kthread stack dump: [ 166.572422][ C1] rcu_preempt R running task 28864 10 2 0x80004000 [ 166.580315][ C1] Call Trace: [ 166.583602][ C1] __schedule+0x9a0/0xcc0 [ 166.587925][ C1] schedule+0x181/0x210 [ 166.592066][ C1] schedule_timeout+0x14f/0x240 [ 166.596935][ C1] ? run_local_timers+0x120/0x120 [ 166.601949][ C1] rcu_gp_kthread+0xed8/0x1770 [ 166.606711][ C1] kthread+0x332/0x350 [ 166.610794][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 166.615893][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.620471][ C1] ret_from_fork+0x24/0x30 [ 166.624888][ C1] NMI backtrace for cpu 1 [ 166.629205][ C1] CPU: 1 PID: 3083 Comm: kworker/1:2 Not tainted 5.4.0-syzkaller #0 [ 166.637162][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.647215][ C1] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func [ 166.654392][ C1] Call Trace: [ 166.657662][ C1] [ 166.660504][ C1] dump_stack+0x1fb/0x318 [ 166.664854][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.669718][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.675886][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.681938][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.687906][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.693784][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.698916][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.704104][ C1] ? trace_hardirqs_off+0x74/0x80 [ 166.709119][ C1] update_process_times+0x12d/0x180 [ 166.714313][ C1] tick_sched_timer+0x263/0x420 [ 166.720136][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.725687][ C1] __hrtimer_run_queues+0x403/0x840 [ 166.730902][ C1] hrtimer_interrupt+0x38c/0xda0 [ 166.735865][ C1] ? debug_smp_processor_id+0x9/0x20 [ 166.741152][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 166.746688][ C1] apic_timer_interrupt+0xf/0x20 [ 166.751611][ C1] [ 166.754542][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x14/0x50 [ 166.760683][ C1] Code: 00 00 00 48 8b 3d 74 25 cd 07 48 89 de e8 64 02 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 fa 02 75 21 48 8b 91 [ 166.780290][ C1] RSP: 0018:ffffc9000809fa30 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.788689][ C1] RAX: ffffffff81486ea4 RBX: ffffea00026cb5c0 RCX: ffff88809eeac180 [ 166.796648][ C1] RDX: 0000000000000001 RSI: 00000000fffffffc RDI: ffffea00026cb5c0 [ 166.804608][ C1] RBP: ffffc9000809fa70 R08: 000000000003a768 R09: ffffed10152eeacf [ 166.812570][ C1] R10: ffffed10152eeacf R11: 0000000000000000 R12: ffff888090470c20 [ 166.820533][ C1] R13: dffffc0000000000 R14: 1ffff1101208e184 R15: ffff8880a9775668 [ 166.828504][ C1] ? free_thread_stack+0x124/0x590 [ 166.833607][ C1] ? free_thread_stack+0x124/0x590 [ 166.838709][ C1] put_task_stack+0xa3/0x130 [ 166.843293][ C1] finish_task_switch+0x3f1/0x550 [ 166.848316][ C1] __schedule+0x9a8/0xcc0 [ 166.852640][ C1] preempt_schedule_irq+0xc1/0x140 [ 166.857762][ C1] retint_kernel+0x1b/0x2b [ 166.862320][ C1] RIP: 0010:kfree+0x1a3/0x200 [ 166.866993][ C1] Code: 48 83 3d 67 19 59 07 00 74 68 4c 89 f7 57 9d 0f 1f 44 00 00 eb 19 e8 ec b7 ca ff 48 83 3d 4c 19 59 07 00 74 51 4c 89 f7 57 9d <0f> 1f 44 00 00 5b 41 5c 41 5e 41 5f 5d c3 48 ff c9 48 89 c8 e9 c8 [ 166.886592][ C1] RSP: 0018:ffffc9000809fc88 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff02 [ 166.895030][ C1] RAX: ffff88809eeaca14 RBX: ffff8880aa800540 RCX: ffffffff815c0597 [ 166.903082][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000286 [ 166.911042][ C1] RBP: ffffc9000809fca8 R08: ffff88809eeac9d8 R09: fffffbfff13c8d3a [ 166.919001][ C1] R10: fffffbfff13c8d3a R11: 0000000000000000 R12: ffff8880a2606980 [ 166.926958][ C1] R13: ffff88809ee2d518 R14: 0000000000000286 R15: ffffffff81b7b8d4 [ 166.934926][ C1] ? memcg_kmem_cache_create_func+0x154/0x1d0 [ 166.940984][ C1] ? mark_lock+0x107/0x1650 [ 166.945484][ C1] memcg_kmem_cache_create_func+0x154/0x1d0 [ 166.951366][ C1] process_one_work+0x7ef/0x10d0 [ 166.956305][ C1] worker_thread+0xc01/0x1630 [ 166.960990][ C1] kthread+0x332/0x350 [ 166.965042][ C1] ? rcu_lock_release+0x30/0x30 [ 166.969906][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.974485][ C1] ret_from_fork+0x24/0x30