[ 42.579455][ T26] audit: type=1800 audit(1575384315.908:26): pid=7993 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.639549][ T26] audit: type=1800 audit(1575384315.908:27): pid=7993 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.683252][ T26] audit: type=1800 audit(1575384315.908:28): pid=7993 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. [ 43.333451][ T26] audit: type=1800 audit(1575384316.688:29): pid=7993 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.31' (ECDSA) to the list of known hosts. 2019/12/03 14:45:27 fuzzer started 2019/12/03 14:45:28 dialing manager at 10.128.0.26:45711 2019/12/03 14:45:28 syscalls: 2689 2019/12/03 14:45:28 code coverage: enabled 2019/12/03 14:45:28 comparison tracing: enabled 2019/12/03 14:45:28 extra coverage: extra coverage is not supported by the kernel 2019/12/03 14:45:28 setuid sandbox: enabled 2019/12/03 14:45:28 namespace sandbox: enabled 2019/12/03 14:45:28 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 14:45:28 fault injection: enabled 2019/12/03 14:45:28 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 14:45:28 net packet injection: enabled 2019/12/03 14:45:28 net device setup: enabled 2019/12/03 14:45:28 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 14:45:28 devlink PCI setup: PCI device 0000:00:10.0 is not available 14:45:29 executing program 0: r0 = gettid() clone3(&(0x7f0000000400)={0xba102000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000003c0)=[r0], 0x1}, 0x50) r1 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) 14:45:29 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x1b, &(0x7f0000000140)={@ipv4={[], [], @multicast1}, 0x8003}, 0x20) syzkaller login: [ 56.536854][ T8156] IPVS: ftp: loaded support on port[0] = 21 14:45:30 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r0, 0x84, 0xc, 0x0, 0x4) [ 56.705023][ T8156] chnl_net:caif_netlink_parms(): no params data found [ 56.792128][ T8159] IPVS: ftp: loaded support on port[0] = 21 [ 56.805354][ T8156] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.823267][ T8156] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.840757][ T8156] device bridge_slave_0 entered promiscuous mode [ 56.862035][ T8156] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.870830][ T8156] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.878867][ T8156] device bridge_slave_1 entered promiscuous mode [ 56.896802][ T8161] IPVS: ftp: loaded support on port[0] = 21 [ 56.949877][ T8156] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.969798][ T8156] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 14:45:30 executing program 3: r0 = socket$inet6(0xa, 0x400000000001, 0x0) r1 = dup(r0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000080)={0x0, 0x7530}, 0x10) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) sendto$inet6(r1, 0x0, 0x0, 0x20008018, &(0x7f0000000100)={0xa, 0x4e20, 0x0, @empty}, 0x1c) sendmsg$TIPC_NL_PEER_REMOVE(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000003c0)=ANY=[@ANYBLOB], 0x1}}, 0x4c080) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) setsockopt$inet_tcp_int(r1, 0x6, 0x19, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet_tcp_int(r1, 0x6, 0x2000000000000013, &(0x7f0000000180)=0x1, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r0, 0x6, 0x14, &(0x7f0000000380)=0x1, 0x4) r4 = open(&(0x7f0000000440)='./file0\x00', 0x110000141042, 0x0) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="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"], 0x1) ftruncate(r4, 0x10099b7) sendfile(r0, r4, 0x0, 0x88000fc000000) [ 57.043674][ T8156] team0: Port device team_slave_0 added [ 57.070485][ T8156] team0: Port device team_slave_1 added [ 57.076388][ T8159] chnl_net:caif_netlink_parms(): no params data found [ 57.157667][ T8161] chnl_net:caif_netlink_parms(): no params data found [ 57.243392][ T8156] device hsr_slave_0 entered promiscuous mode 14:45:30 executing program 4: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") unshare(0x8000400) inotify_add_watch(0xffffffffffffffff, 0x0, 0x80) [ 57.289534][ T8156] device hsr_slave_1 entered promiscuous mode [ 57.377250][ T8165] IPVS: ftp: loaded support on port[0] = 21 [ 57.394775][ T8159] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.406424][ T8159] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.420158][ T8159] device bridge_slave_0 entered promiscuous mode [ 57.460044][ T8159] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.467774][ T8159] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.476569][ T8159] device bridge_slave_1 entered promiscuous mode [ 57.490268][ T8161] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.497324][ T8161] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.520050][ T8161] device bridge_slave_0 entered promiscuous mode [ 57.549054][ T8159] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.582869][ T8161] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.590524][ T8161] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.598506][ T8161] device bridge_slave_1 entered promiscuous mode [ 57.616445][ T8156] netdevsim netdevsim0 netdevsim0: renamed from eth0 14:45:31 executing program 5: r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$EXT4_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000040)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) r2 = creat(&(0x7f0000000080)='./bus\x00', 0x1) r3 = open(&(0x7f0000021000)='./file0\x00', 0x0, 0x0) sendfile(0xffffffffffffffff, r3, 0x0, 0x0) lseek(r2, 0x0, 0x0) write$binfmt_elf64(r2, &(0x7f0000000000)=ANY=[@ANYRESDEC], 0xfd14) fallocate(r2, 0x100000003, 0x0, 0x7) lseek(r1, 0x7ffffc, 0x0) write$P9_RCREATE(r1, &(0x7f0000000340)={0x18}, 0x18) socket$l2tp(0x18, 0x1, 0x1) creat(0x0, 0x0) syz_open_dev$admmidi(0x0, 0x0, 0x0) fallocate(r0, 0x100000003, 0x0, 0x28120001) [ 57.681420][ T8156] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.726729][ T8159] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.739785][ T8161] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.764101][ T8156] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.818035][ T8167] IPVS: ftp: loaded support on port[0] = 21 [ 57.833848][ T8161] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.855265][ T8161] team0: Port device team_slave_0 added [ 57.861961][ T8156] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.944017][ T8159] team0: Port device team_slave_0 added [ 57.953741][ T8159] team0: Port device team_slave_1 added [ 57.961455][ T8161] team0: Port device team_slave_1 added [ 57.980664][ T8169] IPVS: ftp: loaded support on port[0] = 21 [ 58.052070][ T8161] device hsr_slave_0 entered promiscuous mode [ 58.089659][ T8161] device hsr_slave_1 entered promiscuous mode [ 58.130744][ T8161] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.220907][ T8159] device hsr_slave_0 entered promiscuous mode [ 58.279453][ T8159] device hsr_slave_1 entered promiscuous mode [ 58.339330][ T8159] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.411526][ T8161] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.442189][ T8161] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.495059][ T8165] chnl_net:caif_netlink_parms(): no params data found [ 58.513506][ T8161] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.581774][ T8161] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.628336][ T8165] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.637522][ T8165] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.645841][ T8165] device bridge_slave_0 entered promiscuous mode [ 58.654837][ T8159] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.701585][ T8159] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.758480][ T8165] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.766271][ T8165] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.774363][ T8165] device bridge_slave_1 entered promiscuous mode [ 58.793635][ T8159] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.841084][ T8159] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.919584][ T8165] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.934091][ T8165] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.993219][ T8165] team0: Port device team_slave_0 added [ 59.012115][ T8165] team0: Port device team_slave_1 added [ 59.020329][ T8167] chnl_net:caif_netlink_parms(): no params data found [ 59.029553][ T8169] chnl_net:caif_netlink_parms(): no params data found [ 59.082779][ T8169] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.090365][ T8169] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.098081][ T8169] device bridge_slave_0 entered promiscuous mode [ 59.109675][ T8169] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.116739][ T8169] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.124538][ T8169] device bridge_slave_1 entered promiscuous mode [ 59.171943][ T8165] device hsr_slave_0 entered promiscuous mode [ 59.209569][ T8165] device hsr_slave_1 entered promiscuous mode [ 59.249301][ T8165] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.317018][ T8169] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.334014][ T8156] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.342280][ T8167] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.350010][ T8167] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.357571][ T8167] device bridge_slave_0 entered promiscuous mode [ 59.367117][ T8161] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.375337][ T8169] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.401481][ T8169] team0: Port device team_slave_0 added [ 59.413738][ T8156] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.422093][ T8167] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.429569][ T8167] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.437699][ T8167] device bridge_slave_1 entered promiscuous mode [ 59.453917][ T8165] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.503100][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.512250][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.521327][ T8169] team0: Port device team_slave_1 added [ 59.542383][ T8165] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.592090][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.600881][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.609753][ T8172] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.616945][ T8172] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.624957][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.633763][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.642167][ T8172] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.649259][ T8172] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.656765][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.665669][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.675712][ T8167] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.695317][ T8165] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.737169][ T8167] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.811095][ T8169] device hsr_slave_0 entered promiscuous mode [ 59.859513][ T8169] device hsr_slave_1 entered promiscuous mode [ 59.899324][ T8169] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.916572][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.930247][ T8161] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.937641][ T8165] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.993526][ T8159] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.011830][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.020334][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.028482][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.037254][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.045998][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.065811][ T8167] team0: Port device team_slave_0 added [ 60.085892][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.096993][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.105868][ T8172] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.113083][ T8172] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.120903][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.128487][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.136913][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.148597][ T8167] team0: Port device team_slave_1 added [ 60.158069][ T8169] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.201519][ T8169] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.241492][ T8169] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.294269][ T8174] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.303354][ T8174] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.312182][ T8174] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.321156][ T8174] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.329887][ T8174] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.337038][ T8174] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.346549][ T8159] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.359817][ T8169] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 60.413231][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.433729][ T8156] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.445111][ T8156] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.492562][ T8167] device hsr_slave_0 entered promiscuous mode [ 60.519523][ T8167] device hsr_slave_1 entered promiscuous mode [ 60.559280][ T8167] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.566963][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.576201][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.585335][ T8172] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.592528][ T8172] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.600606][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.609627][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.617935][ T8172] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.625027][ T8172] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.632668][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.641009][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.649695][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.658024][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.667228][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.676311][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.684910][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.693277][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.702592][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.711039][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.748293][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.757053][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.767501][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.790817][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.801574][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.810334][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.818759][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.827923][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.836291][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.844730][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.853030][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.861262][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.883723][ T8167] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.930967][ T8167] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.985249][ T8167] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.044594][ T8167] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.092369][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.100621][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.108972][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.117591][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.125965][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.142851][ T8159] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.162964][ T8174] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.171338][ T8174] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.181305][ T8156] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.217031][ T8174] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.224787][ T8174] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.237353][ T8161] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.261586][ T8165] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.272599][ T8159] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.288945][ T8169] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.298293][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.314905][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.336933][ T8165] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.358736][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.366916][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.406290][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.417903][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 166.449098][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.455890][ C0] rcu: 0-...!: (10499 ticks this GP) idle=862/1/0x4000000000000002 softirq=11027/11027 fqs=0 [ 166.466369][ C0] (t=10501 jiffies g=6441 q=71) [ 166.471301][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g6441 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 166.482483][ C0] rcu: RCU grace-period kthread stack dump: [ 166.488359][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.496246][ C0] Call Trace: [ 166.499534][ C0] __schedule+0x9a0/0xcc0 [ 166.503876][ C0] schedule+0x181/0x210 [ 166.508024][ C0] schedule_timeout+0x14f/0x240 [ 166.512864][ C0] ? run_local_timers+0x120/0x120 [ 166.517927][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.522690][ C0] kthread+0x332/0x350 [ 166.526746][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.531843][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.536428][ C0] ret_from_fork+0x24/0x30 [ 166.540845][ C0] NMI backtrace for cpu 0 [ 166.545164][ C0] CPU: 0 PID: 8180 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 166.552601][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.563598][ C0] Call Trace: [ 166.566868][ C0] [ 166.569712][ C0] dump_stack+0x1fb/0x318 [ 166.574039][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.578877][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.585020][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.591077][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.597049][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.602932][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.608039][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.613255][ C0] ? trace_hardirqs_off+0x74/0x80 [ 166.618269][ C0] update_process_times+0x12d/0x180 [ 166.623458][ C0] tick_sched_timer+0x263/0x420 [ 166.628296][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.633829][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.639122][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.644062][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.649339][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.654871][ C0] apic_timer_interrupt+0xf/0x20 [ 166.659791][ C0] [ 166.662719][ C0] RIP: 0010:mod_memcg_page_state+0x161/0x190 [ 166.668719][ C0] Code: 3c 20 00 74 0c 48 c7 c7 28 96 0a 89 e8 a8 9e 69 00 48 83 3d c8 21 c2 07 00 74 2d e8 99 27 2e 00 4c 89 ff 57 9d 0f 1f 44 00 00 <5b> 41 5c 41 5e 41 5f 5d c3 e8 81 27 2e 00 0f 0b e8 7a 27 2e 00 0f [ 166.688321][ C0] RSP: 0000:ffffc90002087ae8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 166.696725][ C0] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff8880a8060600 [ 166.704684][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00022edb00 [ 166.712642][ C0] RBP: ffffc90002087b08 R08: 000000000003a768 R09: ffffed10126efb47 [ 166.720788][ C0] R10: ffffed10126efb47 R11: 0000000000000000 R12: dffffc0000000000 [ 166.728747][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88809377da28 [ 166.736727][ C0] ? mod_memcg_page_state+0x123/0x190 [ 166.742206][ C0] ? mod_memcg_page_state+0x123/0x190 [ 166.747873][ C0] free_thread_stack+0x168/0x590 [ 166.752832][ C0] put_task_stack+0xa3/0x130 [ 166.757414][ C0] finish_task_switch+0x3f1/0x550 [ 166.762452][ C0] __schedule+0x9a8/0xcc0 [ 166.766884][ C0] preempt_schedule_irq+0xc1/0x140 [ 166.772000][ C0] retint_kernel+0x1b/0x2b [ 166.776420][ C0] RIP: 0010:check_memory_region+0xf/0x2e0 [ 166.782129][ C0] Code: 88 4c 89 fe 31 c0 e8 03 8b ad ff eb cf cc cc cc cc cc cc cc cc cc cc cc cc cc cc 55 48 89 e5 41 57 41 56 41 55 41 54 53 b0 01 <48> 85 f6 0f 84 fd 01 00 00 48 89 fb 48 c1 eb 2f 48 81 fb fe ff 01 [ 166.801806][ C0] RSP: 0000:ffffc90002087d68 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.810209][ C0] RAX: ffff8880a8060601 RBX: 0000000000000001 RCX: ffffffff815ae658 [ 166.818169][ C0] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8880a84354b0 [ 166.826150][ C0] RBP: ffffc90002087d90 R08: dffffc0000000000 R09: fffff52000410fbd [ 166.834117][ C0] R10: fffff52000410fbd R11: 0000000000000000 R12: ffff8880a84354b0 [ 166.842075][ C0] R13: ffff8880a84354b8 R14: 1ffff92000410fbc R15: ffffc90002087de0 [ 166.850048][ C0] ? __up_read+0x238/0x740 [ 166.854462][ C0] __kasan_check_write+0x14/0x20 [ 166.859473][ C0] __up_read+0x238/0x740 [ 166.863701][ C0] ? do_user_addr_fault+0x5ba/0xaf0 [ 166.868893][ C0] up_read+0x1d/0x20 [ 166.872793][ C0] do_user_addr_fault+0x5ba/0xaf0 [ 166.877853][ C0] __do_page_fault+0xd3/0x1f0 [ 166.882607][ C0] do_page_fault+0x99/0xb0 [ 166.887016][ C0] page_fault+0x39/0x40 [ 166.891162][ C0] RIP: 0033:0x7fb86604e317 [ 166.895579][ C0] Code: 24 30 48 8b 40 08 48 89 44 24 70 48 8b 86 f8 02 00 00 48 85 c0 0f 84 fc 04 00 00 8b 96 f0 02 00 00 8b 8e f4 02 00 00 44 21 c2 <48> 8b 14 d0 4c 89 e8 48 d3 e8 48 89 c1 83 e1 3f 48 89 d0 48 d3 e8 [ 166.915207][ C0] RSP: 002b:00007ffd59c1ac20 EFLAGS: 00010202 [ 166.921268][ C0] RAX: 00007fb865c1d290 RBX: 00007fb86625c050 RCX: 0000000000000009 [ 166.929342][ C0] RDX: 0000000000000007 RSI: 00007fb8662639b0 RDI: 0000000000401790 [ 166.937476][ C0] RBP: 0000000000000002 R08: 0000000003f0b27f R09: 0000000000000005 [ 166.945462][ C0] R10: 0000000000000008 R11: 00007ffd59c1ac70 R12: 0000000000000007 [ 166.953426][ C0] R13: 00000000fc2c9fc5 R14: 0000000000000000 R15: 00007ffd59c1adf8