[ 42.594821][ T26] audit: type=1800 audit(1575384103.367:26): pid=7962 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.636523][ T26] audit: type=1800 audit(1575384103.377:27): pid=7962 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.673098][ T26] audit: type=1800 audit(1575384103.377:28): pid=7962 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. [ 43.403544][ T26] audit: type=1800 audit(1575384104.197:29): pid=7962 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 '10.128.0.180' (ECDSA) to the list of known hosts. 2019/12/03 14:41:53 fuzzer started 2019/12/03 14:41:55 dialing manager at 10.128.0.26:45711 2019/12/03 14:41:55 syscalls: 2689 2019/12/03 14:41:55 code coverage: enabled 2019/12/03 14:41:55 comparison tracing: enabled 2019/12/03 14:41:55 extra coverage: extra coverage is not supported by the kernel 2019/12/03 14:41:55 setuid sandbox: enabled 2019/12/03 14:41:55 namespace sandbox: enabled 2019/12/03 14:41:55 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 14:41:55 fault injection: enabled 2019/12/03 14:41:55 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 14:41:55 net packet injection: enabled 2019/12/03 14:41:55 net device setup: enabled 2019/12/03 14:41:55 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 14:41:55 devlink PCI setup: PCI device 0000:00:10.0 is not available 14:41:56 executing program 0: socket$nl_xfrm(0x10, 0x3, 0x6) r0 = inotify_init1(0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ashmem\x00', 0x0, 0x0) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r1, 0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f0000000100)={0x0, 0x0}) process_vm_readv(r2, &(0x7f0000000380)=[{&(0x7f0000000340)=""/61, 0x3d}], 0x1, &(0x7f0000002540)=[{&(0x7f00000003c0)=""/63, 0x7ffff002}], 0x2, 0x0) 14:41:56 executing program 1: r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/uts\x00') setns(r0, 0x0) syzkaller login: [ 55.704400][ T8125] IPVS: ftp: loaded support on port[0] = 21 [ 55.766812][ T8127] IPVS: ftp: loaded support on port[0] = 21 14:41:56 executing program 2: mkdir(&(0x7f00000001c0)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) sendto(0xffffffffffffffff, &(0x7f00000000c0)="99", 0x1, 0x0, 0x0, 0x0) ioctl$FS_IOC_GETFLAGS(r0, 0x40086602, &(0x7f00000000c0)) write$FUSE_NOTIFY_RETRIEVE(r0, &(0x7f00000000c0)={0x30}, 0x30) [ 55.946667][ T8127] chnl_net:caif_netlink_parms(): no params data found [ 55.982999][ T8125] chnl_net:caif_netlink_parms(): no params data found [ 56.023713][ T8127] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.043860][ T8127] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.054840][ T8127] device bridge_slave_0 entered promiscuous mode [ 56.087533][ T8127] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.103902][ T8127] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.111640][ T8127] device bridge_slave_1 entered promiscuous mode [ 56.141791][ T8125] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.141891][ T8131] IPVS: ftp: loaded support on port[0] = 21 [ 56.160041][ T8125] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.168290][ T8125] device bridge_slave_0 entered promiscuous mode 14:41:57 executing program 3: unshare(0x8000400) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet_dccp(0x2, 0x6, 0x0) getsockopt$inet_int(r3, 0x10d, 0xb0, &(0x7f0000000140), &(0x7f00000000c0)=0x4) [ 56.198276][ T8127] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.207924][ T8125] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.215919][ T8125] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.225751][ T8125] device bridge_slave_1 entered promiscuous mode [ 56.237393][ T8127] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.300073][ T8127] team0: Port device team_slave_0 added [ 56.319659][ T8125] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.332815][ T8127] team0: Port device team_slave_1 added [ 56.377631][ T8125] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.423575][ T8125] team0: Port device team_slave_0 added [ 56.438367][ T8131] chnl_net:caif_netlink_parms(): no params data found [ 56.455112][ T8125] team0: Port device team_slave_1 added [ 56.463679][ T8134] IPVS: ftp: loaded support on port[0] = 21 14:41:57 executing program 4: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000280)={0x0, 0x18, 0xfa00, {0x0, &(0x7f00000000c0)={0xffffffffffffffff}, 0x106}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_IP(r0, &(0x7f0000000400)={0x3, 0x40, 0xfa00, {{0xa, 0x0, 0x0, @empty}, {0xa, 0x0, 0x0, @empty}, r1}}, 0x48) [ 56.496530][ T8127] device hsr_slave_0 entered promiscuous mode [ 56.554928][ T8127] device hsr_slave_1 entered promiscuous mode 14:41:57 executing program 5: set_mempolicy(0x4003, &(0x7f0000000000)=0x5, 0x2) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000080)={0x26, 'skcipher\x00', 0x0, 0x0, 'pcbc(fcrypt)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000412ff8)="3665a1ab415b7ac7", 0x8) r1 = accept(r0, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000440)={0x20, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x20}}, 0x0) recvmsg(r1, &(0x7f000000b680)={0x0, 0x0, &(0x7f000000b600)=[{&(0x7f000000b4c0)=""/5, 0x5}, {&(0x7f000000b500)=""/153, 0x7fffeffb}], 0x2}, 0x0) [ 56.710035][ T8136] IPVS: ftp: loaded support on port[0] = 21 [ 56.786436][ T8125] device hsr_slave_0 entered promiscuous mode [ 56.854085][ T8125] device hsr_slave_1 entered promiscuous mode [ 56.923954][ T8125] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.944637][ T8131] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.951727][ T8131] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.961724][ T8131] device bridge_slave_0 entered promiscuous mode [ 56.981520][ T8127] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.990398][ T8138] IPVS: ftp: loaded support on port[0] = 21 [ 57.048765][ T8127] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.108505][ T8131] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.116331][ T8131] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.124187][ T8131] device bridge_slave_1 entered promiscuous mode [ 57.144921][ T8131] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.156568][ T8127] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.217627][ T8127] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.294515][ T8131] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.320605][ T8131] team0: Port device team_slave_0 added [ 57.327929][ T8125] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.375722][ T8125] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.426856][ T8125] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.487167][ T8125] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.545958][ T8131] team0: Port device team_slave_1 added [ 57.626416][ T8131] device hsr_slave_0 entered promiscuous mode [ 57.674853][ T8131] device hsr_slave_1 entered promiscuous mode [ 57.714137][ T8131] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.813552][ T8134] chnl_net:caif_netlink_parms(): no params data found [ 57.855945][ T8136] chnl_net:caif_netlink_parms(): no params data found [ 57.873629][ T8138] chnl_net:caif_netlink_parms(): no params data found [ 57.891271][ T8131] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.929274][ T8131] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.995726][ T8131] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.030265][ T8131] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.100947][ T8134] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.108589][ T8134] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.116825][ T8134] device bridge_slave_0 entered promiscuous mode [ 58.128864][ T8134] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.136362][ T8134] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.144182][ T8134] device bridge_slave_1 entered promiscuous mode [ 58.160885][ T8127] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.169523][ T8138] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.179096][ T8138] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.187167][ T8138] device bridge_slave_0 entered promiscuous mode [ 58.200804][ T8138] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.209087][ T8138] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.217462][ T8138] device bridge_slave_1 entered promiscuous mode [ 58.248704][ T8127] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.271873][ T8143] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.281954][ T8143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.298499][ T8136] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.305652][ T8136] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.313419][ T8136] device bridge_slave_0 entered promiscuous mode [ 58.322919][ T8134] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.334045][ T8138] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.345340][ T8134] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.363021][ T8134] team0: Port device team_slave_0 added [ 58.374703][ T8136] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.381833][ T8136] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.392542][ T8136] device bridge_slave_1 entered promiscuous mode [ 58.400490][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.412028][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.420615][ T8139] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.427849][ T8139] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.438895][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.448476][ T8138] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.467696][ T8134] team0: Port device team_slave_1 added [ 58.489582][ T8138] team0: Port device team_slave_0 added [ 58.498235][ T8138] team0: Port device team_slave_1 added [ 58.517449][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.526832][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.535797][ T8139] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.542865][ T8139] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.554358][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.571621][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.582056][ T8136] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.665737][ T8138] device hsr_slave_0 entered promiscuous mode [ 58.714231][ T8138] device hsr_slave_1 entered promiscuous mode [ 58.763964][ T8138] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.847677][ T8134] device hsr_slave_0 entered promiscuous mode [ 58.887000][ T8134] device hsr_slave_1 entered promiscuous mode [ 58.933932][ T8134] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.942904][ T8136] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.965751][ T8136] team0: Port device team_slave_0 added [ 58.972849][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.981487][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.019524][ T8138] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.059260][ T8136] team0: Port device team_slave_1 added [ 59.069024][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.078920][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.087836][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.096416][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.105152][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.119610][ T8125] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.130585][ T8138] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.168243][ T8131] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.178214][ T8127] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.189699][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.208855][ T8138] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.245918][ T8138] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 59.291688][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.300506][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.309476][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.317959][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.377305][ T8136] device hsr_slave_0 entered promiscuous mode [ 59.414449][ T8136] device hsr_slave_1 entered promiscuous mode [ 59.463938][ T8136] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.476478][ T8131] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.491465][ T8134] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.555044][ T8125] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.565408][ T8134] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.596338][ T8134] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.637167][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.645378][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.668690][ T8127] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.677293][ T8134] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.715198][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.727676][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.736214][ T8139] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.743328][ T8139] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.751181][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.759825][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.768513][ T8139] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.775708][ T8139] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.783179][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.790753][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.799251][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.807266][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.815906][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.824375][ T8139] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.831407][ T8139] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.841091][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.849447][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.913446][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.926623][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.936261][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.943351][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.951003][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.960153][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.968734][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.977676][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.986059][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.995053][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.003477][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.012858][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.041324][ T8131] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.068170][ T8131] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.090331][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.110115][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.120249][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.135035][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.143609][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.157252][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.170062][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.181770][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.196828][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.207778][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 165.093727][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.100685][ C1] rcu: 1-....: (10499 ticks this GP) idle=4ee/1/0x4000000000000002 softirq=10799/10801 fqs=2799 [ 165.111424][ C1] (t=10500 jiffies g=6061 q=403) [ 165.116442][ C1] rcu: rcu_preempt kthread starved for 4884 jiffies! g6061 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 165.127451][ C1] rcu: RCU grace-period kthread stack dump: [ 165.133418][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 165.142002][ C1] Call Trace: [ 165.145287][ C1] __schedule+0x9a0/0xcc0 [ 165.149612][ C1] schedule+0x181/0x210 [ 165.153761][ C1] schedule_timeout+0x14f/0x240 [ 165.158707][ C1] ? run_local_timers+0x120/0x120 [ 165.163745][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.168527][ C1] kthread+0x332/0x350 [ 165.172579][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.178197][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.182774][ C1] ret_from_fork+0x24/0x30 [ 165.187199][ C1] NMI backtrace for cpu 1 [ 165.191520][ C1] CPU: 1 PID: 8146 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 [ 165.199998][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.210038][ C1] Call Trace: [ 165.213315][ C1] [ 165.216155][ C1] dump_stack+0x1fb/0x318 [ 165.220563][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.225420][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.231561][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.237614][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.243670][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.249633][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.254734][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.259924][ C1] ? trace_hardirqs_off+0x74/0x80 [ 165.264937][ C1] update_process_times+0x12d/0x180 [ 165.270127][ C1] tick_sched_timer+0x263/0x420 [ 165.274969][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.280592][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.285793][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.290743][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.296021][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.301556][ C1] apic_timer_interrupt+0xf/0x20 [ 165.306481][ C1] [ 165.309411][ C1] RIP: 0010:mod_memcg_page_state+0xb/0x190 [ 165.315551][ C1] Code: 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 48 83 c3 38 48 89 d8 48 c1 e8 03 [ 165.335141][ C1] RSP: 0018:ffffc90002487858 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.343548][ C1] RAX: 1ffff11014499101 RBX: ffff8880a24c8808 RCX: 0000000000000000 [ 165.352288][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002478480 [ 165.360246][ C1] RBP: ffffc90002487878 R08: dffffc0000000000 R09: fffffbfff120248a [ 165.368224][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a24c88a0 [ 165.376284][ C1] R13: dffffc0000000000 R14: 1ffff11014499114 R15: ffff88809b1199e8 [ 165.384286][ C1] free_thread_stack+0x168/0x590 [ 165.389221][ C1] put_task_stack+0xa3/0x130 [ 165.393807][ C1] finish_task_switch+0x3f1/0x550 [ 165.398828][ C1] __schedule+0x9a8/0xcc0 [ 165.403263][ C1] ? ___preempt_schedule+0x16/0x18 [ 165.408381][ C1] preempt_schedule+0xdb/0x120 [ 165.413149][ C1] ___preempt_schedule+0x16/0x18 [ 165.418087][ C1] ? page_poisoning_enabled+0x1c/0x30 [ 165.423456][ C1] prep_new_page+0x161/0x2e0 [ 165.428476][ C1] get_page_from_freelist+0x850/0xaa0 [ 165.433852][ C1] __alloc_pages_nodemask+0x264/0x5d0 [ 165.439307][ C1] alloc_pages_vma+0x94a/0xd50 [ 165.444065][ C1] do_huge_pmd_anonymous_page+0x883/0xe50 [ 165.449778][ C1] handle_mm_fault+0x2017/0x2890 [ 165.454726][ C1] do_user_addr_fault+0x589/0xaf0 [ 165.460027][ C1] __do_page_fault+0xd3/0x1f0 [ 165.464695][ C1] do_page_fault+0x99/0xb0 [ 165.469099][ C1] page_fault+0x39/0x40 [ 165.473240][ C1] RIP: 0033:0x4418c1 [ 165.477123][ C1] Code: 8d 15 43 c1 0a 00 8b 0c 8a 8b 04 82 29 c8 c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 fa 20 48 89 f8 73 77 f6 c2 01 74 0b 0f b6 0e <88> 0f 48 ff c6 48 ff c7 f6 c2 02 74 12 0f b7 0e 66 89 0f 48 83 c6 [ 165.496715][ C1] RSP: 002b:00007ffeeebecca8 EFLAGS: 00010202 [ 165.502770][ C1] RAX: 0000000020000140 RBX: 0000000000000000 RCX: 000000000000006e [ 165.510728][ C1] RDX: 0000000000000007 RSI: 0000000000760020 RDI: 0000000020000140 [ 165.518707][ C1] RBP: 0000000000760000 R08: 0000000000000000 R09: 0000000000000004 [ 165.526686][ C1] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000001 [ 165.534651][ C1] R13: 00007ffeeebece90 R14: 0000000000760008 R15: 00007ffeeebecea0