[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.224479][ T25] audit: type=1800 audit(1575363647.058:25): pid=8238 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.244482][ T25] audit: type=1800 audit(1575363647.058:26): pid=8238 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.289834][ T25] audit: type=1800 audit(1575363647.058:27): pid=8238 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 '10.128.10.28' (ECDSA) to the list of known hosts. 2019/12/03 09:00:55 fuzzer started 2019/12/03 09:00:56 dialing manager at 10.128.0.26:38907 2019/12/03 09:00:56 syscalls: 2697 2019/12/03 09:00:56 code coverage: enabled 2019/12/03 09:00:56 comparison tracing: enabled 2019/12/03 09:00:56 extra coverage: extra coverage is not supported by the kernel 2019/12/03 09:00:56 setuid sandbox: enabled 2019/12/03 09:00:56 namespace sandbox: enabled 2019/12/03 09:00:56 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 09:00:56 fault injection: enabled 2019/12/03 09:00:56 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 09:00:56 net packet injection: enabled 2019/12/03 09:00:56 net device setup: enabled 2019/12/03 09:00:56 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 09:00:56 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:00:57 executing program 0: prlimit64(0x0, 0x0, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) fsetxattr$trusted_overlay_redirect(0xffffffffffffffff, &(0x7f0000000140)='trusted.overlay.redirect\x00', &(0x7f0000000180)='./file0\x00', 0x8, 0x6095feb4c6236666) socketpair$unix(0x1, 0x0, 0x0, &(0x7f00000000c0)) syz_mount_image$vfat(&(0x7f0000000540)='vfat\x00', &(0x7f00000002c0)='./file0\x00', 0x800000000e004, 0x1, &(0x7f0000000380)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010002000270fff8", 0x16}], 0x0, 0x0) r0 = open(&(0x7f0000000200)='./file0\x00', 0x0, 0x0) fchdir(r0) r1 = open(&(0x7f0000000080)='./file0\x00', 0x1070c5, 0x8) write$9p(r1, &(0x7f0000001400)="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", 0x594) ioctl$DRM_IOCTL_GEM_FLINK(0xffffffffffffffff, 0xc008640a, 0x0) creat(&(0x7f0000000280)='./file0\x00', 0x0) 09:00:58 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) bind$netlink(r0, &(0x7f0000000000)={0x10, 0x0, 0x25dfdbfc}, 0xc) bind$netlink(r0, &(0x7f0000000180)={0x10, 0x0, 0x25dfdbfc, 0x7ffd}, 0xc) syzkaller login: [ 59.234105][ T8405] IPVS: ftp: loaded support on port[0] = 21 09:00:58 executing program 2: r0 = socket$inet6(0xa, 0x802, 0x73) sendmmsg$inet6(r0, &(0x7f0000001640)=[{{&(0x7f0000000200)={0xa, 0x0, 0x0, @dev}, 0x1c, 0x0}}, {{&(0x7f0000000000)={0xa, 0x0, 0x0, @local}, 0x1c, 0x0, 0x0, &(0x7f0000000280)=[@pktinfo={{0x24, 0x29, 0x32, {@ipv4={[], [], @broadcast}}}}], 0x28}}], 0x2, 0x0) [ 59.409493][ T8405] chnl_net:caif_netlink_parms(): no params data found [ 59.453816][ T8408] IPVS: ftp: loaded support on port[0] = 21 [ 59.487167][ T8405] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.495522][ T8405] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.520409][ T8405] device bridge_slave_0 entered promiscuous mode [ 59.552416][ T8405] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.566972][ T8405] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.588532][ T8405] device bridge_slave_1 entered promiscuous mode 09:00:58 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_GET_PIT(r1, 0xc048ae65, &(0x7f0000000280)) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) [ 59.661614][ T8405] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.683698][ T8405] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.733947][ T8405] team0: Port device team_slave_0 added [ 59.790088][ T8405] team0: Port device team_slave_1 added [ 59.844219][ T8411] IPVS: ftp: loaded support on port[0] = 21 09:00:58 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) sendmsg$TIPC_NL_UDP_GET_REMOTEIP(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f00000001c0)={0x34, 0x0, 0x0, 0x0, 0x0, {}, [@TIPC_NLA_LINK={0x20, 0x4, [@TIPC_NLA_LINK_PROP={0x1c, 0x7, [@TIPC_NLA_PROP_MTU={0x8}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x7}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x7f}]}]}]}, 0x34}}, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_CPUID2(r2, 0x4008ae90, &(0x7f0000000000)=ANY=[]) [ 59.929335][ T8405] device hsr_slave_0 entered promiscuous mode [ 59.987165][ T8405] device hsr_slave_1 entered promiscuous mode [ 60.068791][ T8413] IPVS: ftp: loaded support on port[0] = 21 [ 60.084113][ T8408] chnl_net:caif_netlink_parms(): no params data found 09:00:59 executing program 5: syz_emit_ethernet(0x22, &(0x7f00000000c0)={@broadcast, @link_local, [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @multicast1}, @udp={0x0, 0x0, 0x8}}}}}, 0x0) [ 60.221042][ T8405] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.284688][ T8408] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.292767][ T8408] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.302676][ T8408] device bridge_slave_0 entered promiscuous mode [ 60.313117][ T8408] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.322457][ T8408] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.331440][ T8408] device bridge_slave_1 entered promiscuous mode [ 60.333474][ T8415] IPVS: ftp: loaded support on port[0] = 21 [ 60.351266][ T8405] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.409052][ T8405] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.489400][ T8405] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.582211][ T8408] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.620591][ T8408] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.645508][ T8411] chnl_net:caif_netlink_parms(): no params data found [ 60.660263][ T8417] IPVS: ftp: loaded support on port[0] = 21 [ 60.687866][ T8408] team0: Port device team_slave_0 added [ 60.693762][ T8411] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.701180][ T8411] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.710434][ T8411] device bridge_slave_0 entered promiscuous mode [ 60.719582][ T8411] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.726745][ T8411] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.734388][ T8411] device bridge_slave_1 entered promiscuous mode [ 60.754958][ T8408] team0: Port device team_slave_1 added [ 60.810955][ T8411] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.822986][ T8411] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.866388][ T8411] team0: Port device team_slave_0 added [ 60.908120][ T8408] device hsr_slave_0 entered promiscuous mode [ 60.966568][ T8408] device hsr_slave_1 entered promiscuous mode [ 61.006206][ T8408] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.029517][ T8411] team0: Port device team_slave_1 added [ 61.049966][ T8413] chnl_net:caif_netlink_parms(): no params data found [ 61.128989][ T8411] device hsr_slave_0 entered promiscuous mode [ 61.176489][ T8411] device hsr_slave_1 entered promiscuous mode [ 61.216313][ T8411] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.250460][ T8415] chnl_net:caif_netlink_parms(): no params data found [ 61.294929][ T8417] chnl_net:caif_netlink_parms(): no params data found [ 61.364683][ T8415] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.372456][ T8415] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.380697][ T8415] device bridge_slave_0 entered promiscuous mode [ 61.394095][ T8415] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.401484][ T8415] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.409706][ T8415] device bridge_slave_1 entered promiscuous mode [ 61.418302][ T8408] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.474242][ T8408] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.541198][ T8413] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.549853][ T8413] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.558385][ T8413] device bridge_slave_0 entered promiscuous mode [ 61.565609][ T8408] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.649323][ T8408] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.724178][ T8415] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.734970][ T8417] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.742572][ T8417] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.751127][ T8417] device bridge_slave_0 entered promiscuous mode [ 61.759196][ T8413] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.766602][ T8413] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.774498][ T8413] device bridge_slave_1 entered promiscuous mode [ 61.800726][ T8415] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.819994][ T8417] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.827416][ T8417] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.835139][ T8417] device bridge_slave_1 entered promiscuous mode [ 61.848039][ T8411] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.928200][ T8405] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.940297][ T8411] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.010508][ T8415] team0: Port device team_slave_0 added [ 62.018797][ T8415] team0: Port device team_slave_1 added [ 62.027067][ T8417] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.038450][ T8413] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.047888][ T8411] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.111683][ T8411] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.192007][ T8417] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.203671][ T8413] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.235828][ T8417] team0: Port device team_slave_0 added [ 62.268813][ T8417] team0: Port device team_slave_1 added [ 62.278336][ T8413] team0: Port device team_slave_0 added [ 62.310170][ T8415] device hsr_slave_0 entered promiscuous mode [ 62.356552][ T8415] device hsr_slave_1 entered promiscuous mode [ 62.386267][ T8415] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.410724][ T8413] team0: Port device team_slave_1 added [ 62.436300][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.444954][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.466345][ T8405] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.528554][ T8417] device hsr_slave_0 entered promiscuous mode [ 62.556993][ T8417] device hsr_slave_1 entered promiscuous mode [ 62.596228][ T8417] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.659483][ T8413] device hsr_slave_0 entered promiscuous mode [ 62.707194][ T8413] device hsr_slave_1 entered promiscuous mode [ 62.756286][ T8413] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.780344][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.789490][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.798588][ T3043] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.805756][ T3043] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.814538][ T8422] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.853618][ T8408] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.871814][ T8415] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.919128][ T8415] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.968397][ T8413] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 63.028655][ T8413] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 63.077888][ T8413] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 63.132123][ T8413] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 63.193888][ T8415] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 63.248177][ T8415] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.308537][ T8408] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.330206][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.339290][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.348752][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.355792][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.363522][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.371210][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.397858][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.408178][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.417801][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.429134][ T3043] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.436195][ T3043] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.443761][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.452523][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.460888][ T3043] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.468081][ T3043] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.476537][ T8417] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.528184][ T8422] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.536832][ T8422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.545454][ T8422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.554302][ T8422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.563528][ T8422] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.573108][ T8422] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.588970][ T8417] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 63.651990][ T8417] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 63.711133][ T8417] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 63.773620][ T8422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.782570][ T8422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.791537][ T8422] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.800644][ T8422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.809790][ T8422] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.818767][ T8422] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.853896][ T8408] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 63.868283][ T8408] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.883511][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.895221][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.903997][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.912394][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.921013][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.929497][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.937784][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.946066][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.954314][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.962673][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.972385][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.982031][ T8405] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.033327][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.041349][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.058624][ T8411] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.078329][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.085806][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.095791][ T8415] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.115781][ T8408] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.135483][ T8415] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.150152][ T8405] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.165057][ T8411] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.182206][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.190931][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.208205][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.215781][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.233887][ T8413] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.254642][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.263474][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.271896][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.278990][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.287926][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.296645][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.304950][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.312042][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.320050][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.328950][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.338223][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.346628][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.353668][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.361862][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.369877][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.393026][ T8417] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.416126][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.424853][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.443811][ T3043] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.450929][ T3043] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.458850][ T3043] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 169.485955][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 169.492821][ C0] rcu: 0-...!: (1 GPs behind) idle=56a/1/0x4000000000000002 softirq=12811/12817 fqs=1 [ 169.502747][ C0] (t=10501 jiffies g=6969 q=182) [ 169.507775][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g6969 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 169.518859][ C0] rcu: RCU grace-period kthread stack dump: [ 169.524739][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 169.532630][ C0] Call Trace: [ 169.535922][ C0] __schedule+0x9a0/0xcc0 [ 169.540251][ C0] schedule+0x181/0x210 [ 169.544399][ C0] schedule_timeout+0x14f/0x240 [ 169.549254][ C0] ? run_local_timers+0x120/0x120 [ 169.554272][ C0] rcu_gp_kthread+0xed8/0x1770 [ 169.559034][ C0] kthread+0x332/0x350 [ 169.563085][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 169.568181][ C0] ? kthread_blkcg+0xe0/0xe0 [ 169.572759][ C0] ret_from_fork+0x24/0x30 [ 169.577176][ C0] NMI backtrace for cpu 0 [ 169.581491][ C0] CPU: 0 PID: 8276 Comm: rsyslogd Not tainted 5.4.0-syzkaller #0 [ 169.589190][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.599231][ C0] Call Trace: [ 169.602499][ C0] [ 169.605337][ C0] dump_stack+0x1fb/0x318 [ 169.609656][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 169.614490][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 169.620629][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 169.626686][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 169.632653][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 169.638527][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 169.643630][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 169.648817][ C0] ? trace_hardirqs_off+0x74/0x80 [ 169.653835][ C0] update_process_times+0x12d/0x180 [ 169.659039][ C0] tick_sched_timer+0x263/0x420 [ 169.663873][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.669405][ C0] __hrtimer_run_queues+0x403/0x840 [ 169.674608][ C0] hrtimer_interrupt+0x38c/0xda0 [ 169.679546][ C0] ? debug_smp_processor_id+0x9/0x20 [ 169.684818][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 169.690351][ C0] apic_timer_interrupt+0xf/0x20 [ 169.695267][ C0] [ 169.698198][ C0] RIP: 0010:mod_memcg_page_state+0x0/0x190 [ 169.703990][ C0] Code: 48 8b 3b e8 12 c1 5f 00 eb 0c e8 0b 29 2e 00 eb 05 e8 04 29 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 da 28 2e 00 [ 169.723579][ C0] RSP: 0018:ffffc90001ce7a58 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 169.731977][ C0] RAX: 1ffff11012e45981 RBX: ffff88809722cc08 RCX: 0000000000000000 [ 169.739933][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00025cc100 [ 169.747917][ C0] RBP: ffffc90001ce7a98 R08: dffffc0000000000 R09: fffffbfff120248a [ 169.755871][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff88809722cca0 [ 169.763826][ C0] R13: dffffc0000000000 R14: 1ffff11012e45994 R15: ffff8880973d3568 [ 169.771802][ C0] ? free_thread_stack+0x168/0x590 [ 169.776904][ C0] put_task_stack+0xa3/0x130 [ 169.781492][ C0] finish_task_switch+0x3f1/0x550 [ 169.786510][ C0] __schedule+0x9a8/0xcc0 [ 169.790835][ C0] schedule+0x181/0x210 [ 169.794977][ C0] do_syslog+0xdc7/0x1740 [ 169.799302][ C0] ? init_wait_entry+0xe0/0xe0 [ 169.804053][ C0] kmsg_read+0x94/0xd0 [ 169.808107][ C0] ? mmap_vmcore_fault+0x10/0x10 [ 169.813030][ C0] proc_reg_read+0x1e2/0x2d0 [ 169.817608][ C0] ? proc_reg_llseek+0x2c0/0x2c0 [ 169.822532][ C0] __vfs_read+0xb8/0x730 [ 169.826766][ C0] ? security_file_permission+0x23c/0x350 [ 169.832471][ C0] ? rw_verify_area+0x1c2/0x360 [ 169.837310][ C0] vfs_read+0x1dd/0x420 [ 169.841472][ C0] ksys_read+0x117/0x220 [ 169.845706][ C0] __x64_sys_read+0x7b/0x90 [ 169.850196][ C0] do_syscall_64+0xf7/0x1c0 [ 169.854687][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.860566][ C0] RIP: 0033:0x7fab10fdb1fd [ 169.864968][ C0] Code: d1 20 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e fa ff ff 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 a7 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 169.884692][ C0] RSP: 002b:00007fab0e57ae30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 169.893111][ C0] RAX: ffffffffffffffda RBX: 000000000188e650 RCX: 00007fab10fdb1fd [ 169.901100][ C0] RDX: 0000000000000fff RSI: 00007fab0fdaf5a0 RDI: 0000000000000004 [ 169.909066][ C0] RBP: 0000000000000000 R08: 0000000001879260 R09: 0000000000000000 [ 169.917035][ C0] R10: 342e34362020205b R11: 0000000000000293 R12: 000000000065e420 [ 169.924994][ C0] R13: 00007fab0e57b9c0 R14: 00007fab11620040 R15: 0000000000000003