[ 41.060429][ T25] audit: type=1800 audit(1575393879.373:26): pid=7940 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 41.115197][ T25] audit: type=1800 audit(1575393879.373:27): pid=7940 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.154800][ T25] audit: type=1800 audit(1575393879.373:28): pid=7940 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. [ 41.997195][ T25] audit: type=1800 audit(1575393880.333:29): pid=7940 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 '10.128.1.22' (ECDSA) to the list of known hosts. 2019/12/03 17:24:49 fuzzer started 2019/12/03 17:24:51 dialing manager at 10.128.0.26:42111 2019/12/03 17:24:51 syscalls: 2689 2019/12/03 17:24:51 code coverage: enabled 2019/12/03 17:24:51 comparison tracing: enabled 2019/12/03 17:24:51 extra coverage: extra coverage is not supported by the kernel 2019/12/03 17:24:51 setuid sandbox: enabled 2019/12/03 17:24:51 namespace sandbox: enabled 2019/12/03 17:24:51 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 17:24:51 fault injection: enabled 2019/12/03 17:24:51 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 17:24:51 net packet injection: enabled 2019/12/03 17:24:51 net device setup: enabled 2019/12/03 17:24:51 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 17:24:51 devlink PCI setup: PCI device 0000:00:10.0 is not available 17:24:52 executing program 0: futex(&(0x7f000000cffc)=0x4, 0x80000000000b, 0x4, 0x0, &(0x7f0000048000), 0x0) futex(&(0x7f000000cffc)=0x4, 0x80000000000b, 0x4, 0x0, &(0x7f0000048000), 0x0) futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000a00)={0x0, 0x989680}, &(0x7f0000048000), 0x0) mmap(&(0x7f0000000000/0xddf000)=nil, 0xddf000, 0x3, 0x4032, 0xffffffffffffffff, 0x0) exit(0x0) 17:24:52 executing program 1: write$cgroup_type(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_ENABLE_CAP(0xffffffffffffffff, 0x4068aea3, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) pipe(0x0) fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f0000000280)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0xfffffdac) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text64={0x40, &(0x7f0000000100)="460f300f07c483614804ee08440f20c03506000000440f22c0c402f93473230f09f20f013cb9b805000000b9c00000000f01d90fc728c4c1f9e79f2e000000", 0x3f}], 0x1, 0x0, 0x0, 0x0) getsockopt$inet_mtu(0xffffffffffffffff, 0x0, 0xa, &(0x7f0000000180), 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x1, 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}, 0x10080}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) syzkaller login: [ 54.501544][ T8108] IPVS: ftp: loaded support on port[0] = 21 17:24:53 executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x200000000000001, 0x0) ioctl$sock_kcm_SIOCKCMUNATTACH(r0, 0x5452, &(0x7f00000013c0)) r1 = dup(r0) r2 = socket$kcm(0x2b, 0x200000000000001, 0x0) r3 = dup(r2) mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000240)='9p\x00', 0x0, &(0x7f0000000440)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) [ 54.662393][ T8111] IPVS: ftp: loaded support on port[0] = 21 [ 54.673511][ T8108] chnl_net:caif_netlink_parms(): no params data found [ 54.767609][ T8108] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.785089][ T8108] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.814228][ T8108] device bridge_slave_0 entered promiscuous mode [ 54.823711][ T8108] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.844253][ T8108] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.852155][ T8108] device bridge_slave_1 entered promiscuous mode [ 54.895558][ T8108] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.907337][ T8108] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 17:24:53 executing program 3: r0 = io_uring_setup(0xa4, &(0x7f0000000100)) io_uring_register$IORING_REGISTER_FILES(r0, 0x2, &(0x7f0000000280)=[0xffffffffffffffff], 0x35b) perf_event_open(&(0x7f000001d000)={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_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sysfs$2(0x2, 0x8, &(0x7f00000000c0)=""/17) io_uring_register$IORING_REGISTER_FILES_UPDATE(r0, 0x6, &(0x7f0000000080)={0x0, &(0x7f0000000180)}, 0x106) [ 54.937192][ T8113] IPVS: ftp: loaded support on port[0] = 21 [ 54.986829][ T8108] team0: Port device team_slave_0 added [ 55.033338][ T8108] team0: Port device team_slave_1 added [ 55.087478][ T8111] chnl_net:caif_netlink_parms(): no params data found [ 55.118218][ T8116] IPVS: ftp: loaded support on port[0] = 21 17:24:53 executing program 4: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x3, @broadcast}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000af5000)={0x1, &(0x7f00006dc000)=[{0x200006, 0x0, 0x0, 0xa1}]}, 0x10) sendto$inet(r0, 0x0, 0xfffffda9, 0x200007ff, &(0x7f0000deaff0)={0x2, 0x8000000000000003, @loopback}, 0x10) sendto$inet(r0, &(0x7f0000000540)="c3401c344654f3c7d9fe1ba48c8e390002000000000000d65cffffff38e9dd18c58f6bd779650fc30f09000000ecf323c9b87010227a60d177faf6502ceab47e58034347b289546c65a5eb278de72b1989f64cc99412e36880d20c34d91051b22f6c8acc9d082b7bcdec844f667da0867d0c00"/130, 0x82, 0x1, 0x0, 0x4f5) timer_create(0x0, &(0x7f0000cd0000)={0x0, 0x12, 0x0, @thr={0x0, 0x0}}, &(0x7f00000003c0)) timer_settime(0x0, 0x0, &(0x7f0000000380)={{0x0, 0x1c9c380}, {0x0, 0x9}}, 0x0) r1 = gettid() recvmmsg(r0, &(0x7f0000004f80)=[{{0x0, 0x0, &(0x7f0000000140)=[{&(0x7f0000000600)=""/4094, 0xffe}], 0x1}}, {{0x0, 0x0, &(0x7f0000000180)=[{&(0x7f0000000400)=""/205, 0xcd}], 0x1}}], 0x2, 0x0, 0x0) tkill(r1, 0x14) [ 55.177088][ T8108] device hsr_slave_0 entered promiscuous mode [ 55.245417][ T8108] device hsr_slave_1 entered promiscuous mode 17:24:53 executing program 5: pipe(&(0x7f0000000280)={0xffffffffffffffff}) fstat(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setregid(r1, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0x1) setresuid(0x0, r3, 0x0) setresgid(0x0, r1, 0x0) [ 55.425467][ T8118] IPVS: ftp: loaded support on port[0] = 21 [ 55.440132][ T8111] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.447690][ T8111] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.461651][ T8111] device bridge_slave_0 entered promiscuous mode [ 55.493000][ T8108] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.536131][ T8108] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.576281][ T8111] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.583347][ T8111] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.591072][ T8111] device bridge_slave_1 entered promiscuous mode [ 55.611381][ T8111] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.623408][ T8108] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.677831][ T8108] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.726488][ T8111] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.749305][ T8111] team0: Port device team_slave_0 added [ 55.756495][ T8121] IPVS: ftp: loaded support on port[0] = 21 [ 55.772540][ T8113] chnl_net:caif_netlink_parms(): no params data found [ 55.789799][ T8111] team0: Port device team_slave_1 added [ 55.847005][ T8111] device hsr_slave_0 entered promiscuous mode [ 55.904448][ T8111] device hsr_slave_1 entered promiscuous mode [ 55.944289][ T8111] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.992751][ T8113] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.001618][ T8113] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.009648][ T8113] device bridge_slave_0 entered promiscuous mode [ 56.056181][ T8113] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.063243][ T8113] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.071239][ T8113] device bridge_slave_1 entered promiscuous mode [ 56.088058][ T8113] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.110030][ T8111] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.178395][ T8111] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.226593][ T8113] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.247006][ T8116] chnl_net:caif_netlink_parms(): no params data found [ 56.256761][ T8111] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.296260][ T8111] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.356099][ T8113] team0: Port device team_slave_0 added [ 56.364866][ T8113] team0: Port device team_slave_1 added [ 56.497114][ T8113] device hsr_slave_0 entered promiscuous mode [ 56.534516][ T8113] device hsr_slave_1 entered promiscuous mode [ 56.574314][ T8113] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.582106][ T8116] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.589386][ T8116] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.597339][ T8116] device bridge_slave_0 entered promiscuous mode [ 56.605986][ T8116] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.613021][ T8116] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.621145][ T8116] device bridge_slave_1 entered promiscuous mode [ 56.636898][ T8118] chnl_net:caif_netlink_parms(): no params data found [ 56.682170][ T8121] chnl_net:caif_netlink_parms(): no params data found [ 56.705727][ T8116] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.718884][ T8116] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.751224][ T8118] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.760052][ T8118] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.768169][ T8118] device bridge_slave_0 entered promiscuous mode [ 56.786420][ T8108] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.807899][ T8118] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.815419][ T8118] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.822956][ T8118] device bridge_slave_1 entered promiscuous mode [ 56.837037][ T8113] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.877626][ T8116] team0: Port device team_slave_0 added [ 56.883404][ T8113] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.915838][ T8113] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 56.998415][ T8118] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.009277][ T8116] team0: Port device team_slave_1 added [ 57.022541][ T8108] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.030061][ T8113] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.112515][ T8118] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.132162][ T3964] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.141668][ T3964] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.196763][ T8116] device hsr_slave_0 entered promiscuous mode [ 57.224547][ T8116] device hsr_slave_1 entered promiscuous mode [ 57.274290][ T8116] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.288326][ T8118] team0: Port device team_slave_0 added [ 57.294266][ T8121] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.301289][ T8121] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.310353][ T8121] device bridge_slave_0 entered promiscuous mode [ 57.325970][ T8111] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.346366][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.358333][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.366821][ T3160] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.373922][ T3160] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.382050][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.391959][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.400412][ T3160] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.407503][ T3160] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.415152][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.423493][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.432029][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.440396][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.448693][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.457027][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.466330][ T8118] team0: Port device team_slave_1 added [ 57.473332][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.481132][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.493125][ T8121] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.501397][ T8121] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.509078][ T8121] device bridge_slave_1 entered promiscuous mode [ 57.527593][ T8121] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.537994][ T8121] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.587195][ T8118] device hsr_slave_0 entered promiscuous mode [ 57.604934][ T8118] device hsr_slave_1 entered promiscuous mode [ 57.664471][ T8118] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.672574][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.680653][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.688315][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.696703][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.713253][ T8121] team0: Port device team_slave_0 added [ 57.725532][ T3964] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.733762][ T3964] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.757744][ T8121] team0: Port device team_slave_1 added [ 57.772880][ T8116] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.821366][ T8116] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.865853][ T8116] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.906651][ T8108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.920917][ T8111] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.945159][ T8118] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 57.986266][ T8116] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.086766][ T8121] device hsr_slave_0 entered promiscuous mode [ 58.124516][ T8121] device hsr_slave_1 entered promiscuous mode [ 58.154355][ T8121] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.169640][ T8118] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 58.216741][ T8118] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 58.257209][ T8118] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 58.326337][ T8113] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.334661][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.342048][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.351481][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.360155][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.368680][ T3160] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.375755][ T3160] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.412034][ T8108] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.422000][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.430178][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.439166][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.447781][ T8124] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.454878][ T8124] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.462799][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.471343][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.479706][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.488485][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.497335][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.506002][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.514225][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.522345][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.530517][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.539034][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.550783][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.580989][ T8116] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.595230][ T8111] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.622207][ T8113] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.634718][ T8116] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.649236][ T8121] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 58.695860][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.703499][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.711604][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.719325][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.749542][ T8121] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 58.776965][ T8121] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 163.794110][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 163.800953][ C0] rcu: 0-...!: (10499 ticks this GP) idle=d26/1/0x4000000000000002 softirq=10177/10177 fqs=5 [ 163.811400][ C0] (t=10500 jiffies g=6021 q=48) [ 163.816326][ C0] rcu: rcu_preempt kthread starved for 10490 jiffies! g6021 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 163.827542][ C0] rcu: RCU grace-period kthread stack dump: [ 163.833439][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 163.841339][ C0] Call Trace: [ 163.844629][ C0] __schedule+0x9a0/0xcc0 [ 163.848956][ C0] schedule+0x181/0x210 [ 163.853104][ C0] schedule_timeout+0x14f/0x240 [ 163.857953][ C0] ? run_local_timers+0x120/0x120 [ 163.862971][ C0] rcu_gp_kthread+0xed8/0x1770 [ 163.867736][ C0] kthread+0x332/0x350 [ 163.871796][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 163.876894][ C0] ? kthread_blkcg+0xe0/0xe0 [ 163.881471][ C0] ret_from_fork+0x24/0x30 [ 163.885888][ C0] NMI backtrace for cpu 0 [ 163.890228][ C0] CPU: 0 PID: 179 Comm: kworker/u4:3 Not tainted 5.4.0-syzkaller #0 [ 163.898184][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.908233][ C0] Workqueue: gid-cache-wq netdevice_event_work_handler [ 163.915064][ C0] Call Trace: [ 163.918334][ C0] [ 163.921175][ C0] dump_stack+0x1fb/0x318 [ 163.925494][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 163.930327][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 163.936466][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 163.942521][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 163.948489][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 163.954363][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 163.959553][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 163.964828][ C0] ? trace_hardirqs_off+0x74/0x80 [ 163.969841][ C0] update_process_times+0x12d/0x180 [ 163.975027][ C0] tick_sched_timer+0x263/0x420 [ 163.979863][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.985394][ C0] __hrtimer_run_queues+0x403/0x840 [ 163.990591][ C0] hrtimer_interrupt+0x38c/0xda0 [ 163.995534][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.000832][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 164.006375][ C0] apic_timer_interrupt+0xf/0x20 [ 164.011295][ C0] [ 164.014224][ C0] RIP: 0010:__memcg_kmem_uncharge+0x44/0x2e0 [ 164.020198][ C0] Code: fc ff df 4c 8d 77 38 4d 89 f5 49 c1 ed 03 41 80 7c 05 00 00 74 08 4c 89 f7 e8 d8 f4 fa ff 4d 8b 3e b8 01 00 00 00 89 d9 d3 e0 <4d> 85 ff 0f 84 bf 01 00 00 4c 39 3d 04 ce 8c 07 0f 84 6e 02 00 00 [ 164.039792][ C0] RSP: 0018:ffffc900012b7aa0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.048190][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 164.056146][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00029c7800 [ 164.064101][ C0] RBP: ffffc900012b7ad0 R08: dffffc0000000000 R09: fffffbfff120248a [ 164.072061][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffffea00029c7800 [ 164.080020][ C0] R13: 1ffffd4000538f07 R14: ffffea00029c7838 R15: 0000000000000000 [ 164.087995][ C0] ? free_thread_stack+0x124/0x590 [ 164.093091][ C0] free_thread_stack+0x12e/0x590 [ 164.098020][ C0] put_task_stack+0xa3/0x130 [ 164.102598][ C0] finish_task_switch+0x3f1/0x550 [ 164.107625][ C0] __schedule+0x9a8/0xcc0 [ 164.111957][ C0] ? ___preempt_schedule+0x16/0x18 [ 164.117055][ C0] preempt_schedule+0xdb/0x120 [ 164.121827][ C0] ___preempt_schedule+0x16/0x18 [ 164.126753][ C0] ? process_one_work+0x75d/0x10d0 [ 164.131849][ C0] _raw_spin_unlock_irq+0x77/0x80 [ 164.136857][ C0] process_one_work+0x75d/0x10d0 [ 164.141793][ C0] worker_thread+0xc01/0x1630 [ 164.146475][ C0] kthread+0x332/0x350 [ 164.150530][ C0] ? rcu_lock_release+0x30/0x30 [ 164.155366][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.159940][ C0] ret_from_fork+0x24/0x30