[ 42.551823][ T23] audit: type=1800 audit(1575379758.584:26): pid=7951 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.587366][ T23] audit: type=1800 audit(1575379758.594:27): pid=7951 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.607292][ T23] audit: type=1800 audit(1575379758.594:28): pid=7951 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. [ 43.339260][ T23] audit: type=1800 audit(1575379759.394:29): pid=7951 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 '10.128.15.237' (ECDSA) to the list of known hosts. 2019/12/03 13:29:30 fuzzer started 2019/12/03 13:29:32 dialing manager at 10.128.0.26:45711 2019/12/03 13:29:32 syscalls: 2689 2019/12/03 13:29:32 code coverage: enabled 2019/12/03 13:29:32 comparison tracing: enabled 2019/12/03 13:29:32 extra coverage: extra coverage is not supported by the kernel 2019/12/03 13:29:32 setuid sandbox: enabled 2019/12/03 13:29:32 namespace sandbox: enabled 2019/12/03 13:29:32 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 13:29:32 fault injection: enabled 2019/12/03 13:29:32 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 13:29:32 net packet injection: enabled 2019/12/03 13:29:32 net device setup: enabled 2019/12/03 13:29:32 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 13:29:32 devlink PCI setup: PCI device 0000:00:10.0 is not available 13:29:33 executing program 0: perf_event_open(&(0x7f0000000440)={0x2, 0x70, 0xb8, 0x2, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) 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_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x8000000004) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000000140)="580000001400192340834b80040d8c560a067fbc45ff81054e220000000058000b480400945f64009400050028925a01000000000000008000f0fffeffe809000000fff5dd0000001000010002081000418e00000004fcff", 0xfed1}], 0x1) 13:29:33 executing program 1: syz_open_procfs(0x0, &(0x7f0000000080)='mountinfo\x00') preadv(0xffffffffffffffff, 0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000080)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f00000013c0)={{{@in6=@remote, @in=@empty, 0x0, 0x0, 0x0, 0x0, 0x2}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@multicast2, 0x0, 0x32}, 0x0, @in6, 0x0, 0x0, 0x0, 0x2, 0xfffffffd, 0x7ff}}, 0xe8) connect$inet6(r0, &(0x7f0000000140)={0xa, 0xffffffffffffffff, 0x0, @ipv4={[], [], @dev={0xac, 0x14, 0x14, 0x18}}}, 0x1c) sendmmsg(r0, &(0x7f0000000240), 0x5c3, 0x0) r1 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r1, &(0x7f0000000000)={0x40000000, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB="0207000902000000a8a989000000007ba79554354cdddb4e667263a7192ff58ab16f88b9663da5668b145e6313f3ee41e2f28204de687a25340b61976cae3a9a9e90785afd31885d362411ef23cd8fef4aa6dac6acb5ded04e5435e7a3bfcb79eda4bf258d5e649caab8d914916ee79d501a3aa4f0972e376bb9f94c5268f7ff158864d444d4bf66e8d85cc74a0000000000000000000000781f1a3ea4c057bfc8af28e2b90e1d3dd7fe6e38d2d29be9a5adffffff7f0000"], 0x10}}, 0x0) syzkaller login: [ 57.193232][ T8117] IPVS: ftp: loaded support on port[0] = 21 [ 57.330380][ T8120] IPVS: ftp: loaded support on port[0] = 21 [ 57.330782][ T8117] chnl_net:caif_netlink_parms(): no params data found 13:29:33 executing program 2: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$tipc(r1, &(0x7f0000002400)={&(0x7f0000000240)=@name={0x1e, 0x2, 0x0, {{}, 0x2}}, 0x10, 0x0}, 0x0) [ 57.421461][ T8117] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.429553][ T8117] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.437561][ T8117] device bridge_slave_0 entered promiscuous mode [ 57.448815][ T8117] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.455949][ T8117] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.464102][ T8117] device bridge_slave_1 entered promiscuous mode [ 57.483164][ T8117] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.509484][ T8117] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.556257][ T8117] team0: Port device team_slave_0 added [ 57.569567][ T8117] team0: Port device team_slave_1 added [ 57.651546][ T8120] chnl_net:caif_netlink_parms(): no params data found 13:29:33 executing program 3: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000380)=@acquire={0x134, 0x17, 0x7, 0x0, 0x0, {{@in=@dev}, @in=@remote, {@in=@initdev={0xac, 0x1e, 0x0, 0x0}, @in=@local}, {{@in=@remote, @in6=@mcast1}, {}, {}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}}, [@mark={0xc}]}, 0x134}, 0x8}, 0x0) [ 57.700158][ T8117] device hsr_slave_0 entered promiscuous mode [ 57.748386][ T8117] device hsr_slave_1 entered promiscuous mode [ 57.830567][ T8123] IPVS: ftp: loaded support on port[0] = 21 [ 57.901340][ T8120] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.911052][ T8120] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.919459][ T8120] device bridge_slave_0 entered promiscuous mode [ 57.930157][ T8117] netdevsim netdevsim0 netdevsim0: renamed from eth0 13:29:34 executing program 4: mmap(&(0x7f00009fd000/0x600000)=nil, 0x600000, 0x0, 0xe031, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) munlock(&(0x7f000017e000/0x3000)=nil, 0x3000) munlock(&(0x7f0000c2e000/0x1000)=nil, 0x1000) munlockall() [ 58.002597][ T8120] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.015424][ T8120] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.034865][ T8120] device bridge_slave_1 entered promiscuous mode [ 58.080534][ T8117] netdevsim netdevsim0 netdevsim1: renamed from eth1 13:29:34 executing program 5: bind$inet(0xffffffffffffffff, &(0x7f0000000080)={0x2, 0x0, @dev}, 0x10) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0xb, 0xa, 0x209e1e, 0x3, 0x1}, 0x3c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000b40)={r0, &(0x7f0000000300), &(0x7f0000000340)}, 0x20) bpf$MAP_LOOKUP_ELEM(0x2, 0x0, 0x0) bpf$MAP_LOOKUP_ELEM(0x2, &(0x7f0000000240)={r0, &(0x7f0000000140), &(0x7f0000000040)=""/92}, 0x20) [ 58.152185][ T8117] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.210065][ T8117] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.219836][ T8125] IPVS: ftp: loaded support on port[0] = 21 [ 58.256108][ T8120] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.268398][ T8120] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.304385][ T8128] IPVS: ftp: loaded support on port[0] = 21 [ 58.332318][ T8117] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.339527][ T8117] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.347260][ T8117] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.354370][ T8117] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.403159][ T8127] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.411853][ T8127] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.432533][ T8120] team0: Port device team_slave_0 added [ 58.440305][ T8120] team0: Port device team_slave_1 added [ 58.451341][ T8123] chnl_net:caif_netlink_parms(): no params data found [ 58.487208][ T8130] IPVS: ftp: loaded support on port[0] = 21 [ 58.570681][ T8120] device hsr_slave_0 entered promiscuous mode [ 58.628369][ T8120] device hsr_slave_1 entered promiscuous mode [ 58.688324][ T8120] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.759247][ T8123] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.766576][ T8123] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.774310][ T8123] device bridge_slave_0 entered promiscuous mode [ 58.783156][ T8123] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.790676][ T8123] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.798553][ T8123] device bridge_slave_1 entered promiscuous mode [ 58.839186][ T8125] chnl_net:caif_netlink_parms(): no params data found [ 58.850787][ T8123] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.865365][ T8123] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.877376][ T8120] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.940133][ T8120] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.011936][ T8120] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.073401][ T8120] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.147455][ T8130] chnl_net:caif_netlink_parms(): no params data found [ 59.165907][ T8123] team0: Port device team_slave_0 added [ 59.177340][ T8117] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.192270][ T8125] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.199470][ T8125] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.207172][ T8125] device bridge_slave_0 entered promiscuous mode [ 59.234151][ T8123] team0: Port device team_slave_1 added [ 59.271030][ T8123] device hsr_slave_0 entered promiscuous mode [ 59.338533][ T8123] device hsr_slave_1 entered promiscuous mode [ 59.378232][ T8123] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.393714][ T8125] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.401863][ T8125] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.410554][ T8125] device bridge_slave_1 entered promiscuous mode [ 59.433963][ T8125] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.451360][ T8125] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.477945][ T8125] team0: Port device team_slave_0 added [ 59.490239][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.499466][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.533851][ T8125] team0: Port device team_slave_1 added [ 59.546731][ T8130] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.555341][ T8130] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.563583][ T8130] device bridge_slave_0 entered promiscuous mode [ 59.570902][ T8123] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.635861][ T8123] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.707289][ T8120] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.714660][ T8130] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.722258][ T8130] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.730004][ T8130] device bridge_slave_1 entered promiscuous mode [ 59.739003][ T8117] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.754345][ T8123] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.860927][ T8125] device hsr_slave_0 entered promiscuous mode [ 59.918413][ T8125] device hsr_slave_1 entered promiscuous mode [ 59.968368][ T8125] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.982948][ T8120] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.000107][ T8123] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.031088][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.039071][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.060620][ T8128] chnl_net:caif_netlink_parms(): no params data found [ 60.084782][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.094585][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.103009][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.110188][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.117688][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.126308][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.134621][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.141960][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.149615][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.158168][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.166867][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.173936][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.183359][ T8130] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.195382][ T8130] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.244523][ T8135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.252994][ T8135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.261731][ T8135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.270940][ T8135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.280160][ T8135] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.287301][ T8135] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.297245][ T8130] team0: Port device team_slave_0 added [ 60.305845][ T8130] team0: Port device team_slave_1 added [ 60.312303][ T8125] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.372125][ T8128] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.379985][ T8128] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.387679][ T8128] device bridge_slave_0 entered promiscuous mode [ 60.410093][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.420224][ T8125] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.461149][ T8125] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.501359][ T8125] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.570146][ T8128] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.577257][ T8128] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.585486][ T8128] device bridge_slave_1 entered promiscuous mode [ 60.661945][ T8130] device hsr_slave_0 entered promiscuous mode [ 60.718572][ T8130] device hsr_slave_1 entered promiscuous mode [ 60.758287][ T8130] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.772503][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.781372][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.797405][ T8120] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.808327][ T8120] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.826191][ T8128] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.840416][ T8128] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.851953][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.861650][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.870961][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.879977][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.888892][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.897170][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.906085][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.915014][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.923673][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.931561][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.953966][ T8120] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.974766][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.986209][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.994882][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.003550][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.012063][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.019787][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.027537][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.054182][ T8117] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.066815][ T8117] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.091114][ T8128] team0: Port device team_slave_0 added [ 61.100822][ T8128] team0: Port device team_slave_1 added [ 61.122963][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.137289][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.146383][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.155464][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.165158][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.190469][ T8130] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.230888][ T8130] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.325325][ T8117] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 166.278044][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.285233][ C0] rcu: 0-...!: (10499 ticks this GP) idle=482/1/0x4000000000000002 softirq=10443/10443 fqs=148 [ 166.296542][ C0] (t=10501 jiffies g=6225 q=193) [ 166.302408][ C0] rcu: rcu_preempt kthread starved for 10206 jiffies! g6225 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 166.314068][ C0] rcu: RCU grace-period kthread stack dump: [ 166.320299][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.328308][ C0] Call Trace: [ 166.331601][ C0] __schedule+0x9a0/0xcc0 [ 166.335967][ C0] schedule+0x181/0x210 [ 166.340158][ C0] schedule_timeout+0x14f/0x240 [ 166.345015][ C0] ? run_local_timers+0x120/0x120 [ 166.350228][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.355201][ C0] kthread+0x332/0x350 [ 166.359266][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.364362][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.368967][ C0] ret_from_fork+0x24/0x30 [ 166.373408][ C0] NMI backtrace for cpu 0 [ 166.378162][ C0] CPU: 0 PID: 8139 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 [ 166.386989][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.397478][ C0] Call Trace: [ 166.400768][ C0] [ 166.403629][ C0] dump_stack+0x1fb/0x318 [ 166.407962][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.412815][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.418974][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.425024][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.430993][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.436886][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.442007][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.447211][ C0] ? trace_hardirqs_off+0x74/0x80 [ 166.452231][ C0] update_process_times+0x12d/0x180 [ 166.457509][ C0] tick_sched_timer+0x263/0x420 [ 166.462350][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.467884][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.473086][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.478022][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.483294][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.488828][ C0] apic_timer_interrupt+0xf/0x20 [ 166.493752][ C0] [ 166.496677][ C0] RIP: 0010:__memcg_kmem_uncharge+0x8/0x2e0 [ 166.502555][ C0] Code: 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 dc 7d ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 <41> 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff df 4c [ 166.522145][ C0] RSP: 0018:ffffc900021c7bd8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.530541][ C0] RAX: ffffffff81486ea4 RBX: ffffea00028c6140 RCX: ffff888093b2c480 [ 166.538497][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00028c6140 [ 166.546467][ C0] RBP: ffffc900021c7be8 R08: 000000000003a768 R09: ffffed1011e8b30f [ 166.554437][ C0] R10: ffffed1011e8b30f R11: 0000000000000000 R12: ffff888092dcd320 [ 166.562414][ C0] R13: dffffc0000000000 R14: 1ffff110125b9a64 R15: ffff88808f459868 [ 166.570409][ C0] ? free_thread_stack+0x124/0x590 [ 166.575539][ C0] free_thread_stack+0x12e/0x590 [ 166.580467][ C0] put_task_stack+0xa3/0x130 [ 166.585058][ C0] finish_task_switch+0x3f1/0x550 [ 166.590106][ C0] __schedule+0x9a8/0xcc0 [ 166.594456][ C0] preempt_schedule_irq+0xc1/0x140 [ 166.599575][ C0] retint_kernel+0x1b/0x2b [ 166.603988][ C0] RIP: 0010:do_user_addr_fault+0x20c/0xaf0 [ 166.609783][ C0] Code: 08 00 74 0c 48 c7 c7 38 96 0a 89 e8 fe 76 7c 00 48 83 3d 2e fa d4 07 00 0f 84 db 08 00 00 e8 eb ff 40 00 fb 66 0f 1f 44 00 00 <48> 89 e0 bb 54 00 00 00 e9 a1 00 00 00 49 8d 9d 90 00 00 00 48 89 [ 166.629419][ C0] RSP: 0000:ffffc900021c7e48 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 166.637817][ C0] RAX: ffffffff81359c15 RBX: 0000000000000003 RCX: ffff888093b2c480 [ 166.645862][ C0] RDX: 0000000000000000 RSI: ffffffff813592b3 RDI: ffff888093b2ccc4 [ 166.653819][ C0] RBP: ffffc900021c7ee0 R08: ffff888093b2ccd8 R09: fffff52000439000 [ 166.661782][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 166.669748][ C0] R13: ffffc900021c7f58 R14: ffffc900021c7fe0 R15: 1ffff92000438ffc [ 166.677754][ C0] ? do_user_addr_fault+0x205/0xaf0 [ 166.682951][ C0] ? __do_page_fault+0xd3/0x1f0 [ 166.687801][ C0] ? do_user_addr_fault+0x205/0xaf0 [ 166.693169][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 166.698765][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 166.704476][ C0] __do_page_fault+0xd3/0x1f0 [ 166.709160][ C0] do_page_fault+0x99/0xb0 [ 166.713574][ C0] page_fault+0x39/0x40 [ 166.717725][ C0] RIP: 0033:0x40f6c8 [ 166.721632][ C0] Code: 8b 34 c6 4a 8d 04 2e 48 3d ff ff ff 7e 0f 86 77 ff ff ff bf 64 fe 4b 00 31 c0 e8 13 27 ff ff 31 ff e8 5c 23 ff ff 0f 1f 40 00 <89> 3c b5 00 00 73 00 eb b6 31 ed 0f 1f 44 00 00 80 3d 7e 2f 66 00 [ 166.741222][ C0] RSP: 002b:00007ffc60723780 EFLAGS: 00010246 [ 166.747278][ C0] RAX: 00000000a187b428 RBX: 00000000aea0f61c RCX: 0000001b30220000 [ 166.755238][ C0] RDX: 0000000000000000 RSI: 0000000000001428 RDI: ffffffffa187b428 [ 166.763204][ C0] RBP: 0000000000000004 R08: 00000000a187b428 R09: 00000000a187b42c [ 166.771422][ C0] R10: 00007ffc60723920 R11: 0000000000000246 R12: 000000000075bfa8 [ 166.779379][ C0] R13: 0000000080000000 R14: 00007fd372f97008 R15: 0000000000000004