Warning: Permanently added '10.128.1.30' (ECDSA) to the list of known hosts. 2019/12/03 22:36:39 fuzzer started 2019/12/03 22:36:41 dialing manager at 10.128.0.26:42111 2019/12/03 22:36:41 syscalls: 2689 2019/12/03 22:36:41 code coverage: enabled 2019/12/03 22:36:41 comparison tracing: enabled 2019/12/03 22:36:41 extra coverage: extra coverage is not supported by the kernel 2019/12/03 22:36:41 setuid sandbox: enabled 2019/12/03 22:36:41 namespace sandbox: enabled 2019/12/03 22:36:41 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 22:36:41 fault injection: enabled 2019/12/03 22:36:41 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 22:36:41 net packet injection: enabled 2019/12/03 22:36:41 net device setup: enabled 2019/12/03 22:36:41 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 22:36:41 devlink PCI setup: PCI device 0000:00:10.0 is not available 22:36:42 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000003740)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=@newlink={0x44, 0x10, 0x701, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, @bond={{0xc, 0x1, 'bond\x00'}, {0x14, 0x2, [@IFLA_BOND_ARP_IP_TARGET={0x10, 0x8, [@rand_addr=0x9000000, @rand_addr, @rand_addr]}]}}}]}, 0x44}}, 0x0) 22:36:42 executing program 1: r0 = socket$inet_udplite(0x2, 0x2, 0x88) r1 = socket$inet_udplite(0x2, 0x2, 0x88) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000000c0)=0x1, 0x4) syzkaller login: [ 55.192939][ T8129] IPVS: ftp: loaded support on port[0] = 21 [ 55.269381][ T8131] IPVS: ftp: loaded support on port[0] = 21 22:36:42 executing program 2: getpid() syz_open_dev$ndb(&(0x7f0000000100)='/dev/nbd#\x00', 0x0, 0x0) r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x4, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x1, @perf_bp={&(0x7f0000000200), 0x2}, 0x8, 0x0, 0x0, 0x0, 0x0, 0x88b}, r0, 0x1, 0xffffffffffffffff, 0x0) userfaultfd(0x80000) mkdir(&(0x7f00000002c0)='./file0\x00', 0x0) syz_open_dev$mice(0x0, 0x0, 0x8400) pipe(&(0x7f0000000180)) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0xd, 0x0, 0x0) setsockopt$inet_udp_encap(r1, 0x11, 0x64, &(0x7f0000000180)=0x5, 0x4) bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x1, 0x5, &(0x7f00000008c0)=ANY=[@ANYBLOB="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"], &(0x7f0000000140)='GPL\x00'}, 0x2e) socket$packet(0x11, 0x3, 0x300) getsockopt$TIPC_SRC_DROPPABLE(0xffffffffffffffff, 0x10f, 0x80, &(0x7f0000000440), &(0x7f0000000480)=0x4) r2 = syz_open_dev$sndctrl(&(0x7f0000000240)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r2, 0xc0045516, &(0x7f00000001c0)=0x20a) perf_event_open(&(0x7f0000001000)={0xffffffffffffffff, 0xd7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8ca, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x2}, 0x1000000000c}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$SNDRV_CTL_IOCTL_PVERSION(r2, 0xc1105517, &(0x7f0000001000)) [ 55.401800][ T8129] chnl_net:caif_netlink_parms(): no params data found [ 55.458086][ T8131] chnl_net:caif_netlink_parms(): no params data found [ 55.493760][ T8129] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.503289][ T8129] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.511476][ T8129] device bridge_slave_0 entered promiscuous mode [ 55.526699][ T8129] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.536235][ T8129] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.543763][ T8129] device bridge_slave_1 entered promiscuous mode [ 55.571574][ T8131] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.595191][ T8131] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.603418][ T8131] device bridge_slave_0 entered promiscuous mode [ 55.627101][ T8131] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.634277][ T8131] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.645028][ T8131] device bridge_slave_1 entered promiscuous mode [ 55.658554][ T8129] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 22:36:43 executing program 3: sched_setscheduler(0x0, 0x5, 0x0) 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) preadv(0xffffffffffffffff, &(0x7f0000001380)=[{&(0x7f0000001200)=""/148, 0x94}], 0x100001c9, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r0, 0x0, 0x27, &(0x7f0000000000)={@multicast2, @local, @multicast2}, 0xc) r1 = syz_open_procfs(0x0, &(0x7f0000000140)='net/mcfilter\x00') preadv(r1, &(0x7f0000000480), 0x10000000000002a1, 0x10400003) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, 0x0, 0x0) [ 55.671936][ T8135] IPVS: ftp: loaded support on port[0] = 21 [ 55.700682][ T8129] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.719639][ T8131] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.753986][ T8131] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.780609][ T8129] team0: Port device team_slave_0 added [ 55.809694][ T8129] team0: Port device team_slave_1 added [ 55.818958][ T8131] team0: Port device team_slave_0 added [ 55.851834][ T8131] team0: Port device team_slave_1 added 22:36:43 executing program 4: r0 = creat(&(0x7f0000000080)='./file1\x00', 0x0) write$P9_RREADLINK(r0, 0x0, 0x0) socket$can_raw(0x1d, 0x3, 0x1) r1 = syz_open_procfs(0x0, &(0x7f0000dec000)='smaps\x00') sendfile(0xffffffffffffffff, r1, 0x0, 0x320f) ioctl$MON_IOCH_MFLUSH(r1, 0x9208, 0x8) r2 = syz_open_dev$mouse(&(0x7f0000001380)='/dev/input/mouse#\x00', 0xa3, 0x0) mq_timedsend(r2, &(0x7f00000013c0)="eb237f1566c966537e50522327b6a94759946d5ed777c696341eaa22dd3d4a95de0f266d18561fea200fce50d8f1bbd57217bae1ffd315c125e3526c4fc00d", 0x3f, 0x9, &(0x7f0000001440)={0x0, 0x989680}) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$inet6(0xa, 0x400000000001, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x801, 0x84) socket$kcm(0xa, 0x5, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r4, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) ioctl$int_in(r4, 0x5452, &(0x7f0000000300)=0x100000001) ftruncate(r5, 0x200004) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000480)=ANY=[]}, 0x1, 0x0, 0x0, 0x20005}, 0x0) sendfile(r3, r5, 0x0, 0x80001d00c0d0) ioctl$sock_bt_cmtp_CMTPGETCONNLIST(r0, 0x800443d2, 0x0) [ 55.919252][ T8129] device hsr_slave_0 entered promiscuous mode [ 55.976923][ T8129] device hsr_slave_1 entered promiscuous mode [ 56.057095][ T8138] IPVS: ftp: loaded support on port[0] = 21 [ 56.089287][ T8135] chnl_net:caif_netlink_parms(): no params data found 22:36:43 executing program 5: r0 = socket(0xa, 0x2, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setreuid(0x0, r1) r2 = socket(0xa, 0x2, 0x0) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setreuid(r3, 0xffffffffffffffff) [ 56.169799][ T8131] device hsr_slave_0 entered promiscuous mode [ 56.205112][ T8131] device hsr_slave_1 entered promiscuous mode [ 56.247238][ T8131] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.288458][ T8129] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.297128][ T8140] IPVS: ftp: loaded support on port[0] = 21 [ 56.329997][ T8129] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.388559][ T8129] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.455878][ T8129] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.467182][ T8142] IPVS: ftp: loaded support on port[0] = 21 [ 56.486105][ T8135] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.493239][ T8135] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.501541][ T8135] device bridge_slave_0 entered promiscuous mode [ 56.533521][ T8135] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.542330][ T8135] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.550200][ T8135] device bridge_slave_1 entered promiscuous mode [ 56.590591][ T8135] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.623097][ T8131] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.678656][ T8131] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.727167][ T8135] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.747137][ T8131] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.790657][ T8131] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.858434][ T8135] team0: Port device team_slave_0 added [ 56.871694][ T8135] team0: Port device team_slave_1 added [ 56.983312][ T8140] chnl_net:caif_netlink_parms(): no params data found [ 57.046532][ T8135] device hsr_slave_0 entered promiscuous mode [ 57.095110][ T8135] device hsr_slave_1 entered promiscuous mode [ 57.164808][ T8135] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.172459][ T8142] chnl_net:caif_netlink_parms(): no params data found [ 57.212723][ T8140] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.221086][ T8140] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.229985][ T8140] device bridge_slave_0 entered promiscuous mode [ 57.237866][ T8138] chnl_net:caif_netlink_parms(): no params data found [ 57.259327][ T8131] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.267332][ T8140] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.274380][ T8140] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.286076][ T8140] device bridge_slave_1 entered promiscuous mode [ 57.348296][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.359936][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.369114][ T8131] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.376186][ T8135] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.420790][ T8135] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.468330][ T8140] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.482885][ T8140] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.492371][ T8142] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.499597][ T8142] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.507873][ T8142] device bridge_slave_0 entered promiscuous mode [ 57.521011][ T8135] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.579911][ T8135] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.647028][ T8142] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.654103][ T8142] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.662671][ T8142] device bridge_slave_1 entered promiscuous mode [ 57.670088][ T8138] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.679549][ T8138] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.688704][ T8138] device bridge_slave_0 entered promiscuous mode [ 57.701494][ T3681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.711469][ T3681] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.720292][ T3681] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.727505][ T3681] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.735819][ T3681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.744334][ T3681] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.753006][ T3681] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.760100][ T3681] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.767568][ T3681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.787931][ T8129] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.801033][ T8138] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.810526][ T8138] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.819263][ T8138] device bridge_slave_1 entered promiscuous mode [ 57.828181][ T8140] team0: Port device team_slave_0 added [ 57.842138][ T3681] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.850247][ T3681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.858968][ T3681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.867464][ T3681] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.882837][ T8131] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 57.893491][ T8131] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.925311][ T8140] team0: Port device team_slave_1 added [ 57.941106][ T3681] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.949333][ T3681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.958421][ T3681] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.966675][ T3681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.975104][ T3681] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.984188][ T3681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.992813][ T3681] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.003181][ T3681] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.017483][ T8142] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.032937][ T8142] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.043600][ T8138] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.057076][ T8138] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.078758][ T8131] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.089824][ T8129] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.109806][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.117703][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.125648][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.133398][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.187666][ T8140] device hsr_slave_0 entered promiscuous mode [ 58.245490][ T8140] device hsr_slave_1 entered promiscuous mode [ 58.305072][ T8140] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.325836][ T8142] team0: Port device team_slave_0 added [ 58.333007][ T8142] team0: Port device team_slave_1 added [ 58.347851][ T8138] team0: Port device team_slave_0 added [ 58.369472][ T8138] team0: Port device team_slave_1 added [ 58.397141][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.406226][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.415521][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.422654][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.430519][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.439560][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.448489][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.455592][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.463650][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.492013][ T8135] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.537483][ T8138] device hsr_slave_0 entered promiscuous mode [ 163.544626][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 163.551405][ C0] rcu: 0-...!: (1 GPs behind) idle=b1e/1/0x4000000000000002 softirq=10433/10434 fqs=39 [ 163.561371][ C0] (t=10500 jiffies g=6069 q=69) [ 163.566387][ C0] rcu: rcu_preempt kthread starved for 10422 jiffies! g6069 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 163.577477][ C0] rcu: RCU grace-period kthread stack dump: [ 163.583351][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 163.591238][ C0] Call Trace: [ 163.594525][ C0] __schedule+0x9a0/0xcc0 [ 163.598850][ C0] schedule+0x181/0x210 [ 163.603004][ C0] schedule_timeout+0x14f/0x240 [ 163.607843][ C0] ? run_local_timers+0x120/0x120 [ 163.612863][ C0] rcu_gp_kthread+0xed8/0x1770 [ 163.617629][ C0] kthread+0x332/0x350 [ 163.621768][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 163.626868][ C0] ? kthread_blkcg+0xe0/0xe0 [ 163.631455][ C0] ret_from_fork+0x24/0x30 [ 163.635873][ C0] NMI backtrace for cpu 0 [ 163.640193][ C0] CPU: 0 PID: 4363 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 163.647748][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.657875][ C0] Call Trace: [ 163.661147][ C0] [ 163.663987][ C0] dump_stack+0x1fb/0x318 [ 163.668393][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 163.673231][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 163.679377][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 163.685557][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 163.691550][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 163.697435][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 163.702561][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 163.707764][ C0] ? trace_hardirqs_off+0x74/0x80 [ 163.712783][ C0] update_process_times+0x12d/0x180 [ 163.717979][ C0] tick_sched_timer+0x263/0x420 [ 163.722821][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.728376][ C0] __hrtimer_run_queues+0x403/0x840 [ 163.733612][ C0] hrtimer_interrupt+0x38c/0xda0 [ 163.738562][ C0] ? debug_smp_processor_id+0x9/0x20 [ 163.743863][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 163.749411][ C0] apic_timer_interrupt+0xf/0x20 [ 163.754335][ C0] [ 163.757266][ C0] RIP: 0010:free_thread_stack+0x15b/0x590 [ 163.762999][ C0] Code: 2e 00 74 08 4c 89 e7 e8 43 a4 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 25 a4 69 00 <48> 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 [ 163.782681][ C0] RSP: 0018:ffffc90002377760 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 163.791108][ C0] RAX: 1ffff11012bfa061 RBX: ffff888095fd0308 RCX: 0000000000000000 [ 163.799071][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002a0fe00 [ 163.807032][ C0] RBP: ffffc90002377798 R08: dffffc0000000000 R09: fffffbfff120248a [ 163.815000][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff888095fd03a0 [ 163.823049][ C0] R13: dffffc0000000000 R14: 1ffff11012bfa074 R15: ffff8880a82593e8 [ 163.831131][ C0] put_task_stack+0xa3/0x130 [ 163.835717][ C0] finish_task_switch+0x3f1/0x550 [ 163.840736][ C0] __schedule+0x9a8/0xcc0 [ 163.845064][ C0] schedule+0x181/0x210 [ 163.849212][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 163.855295][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 163.861127][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 163.866491][ C0] poll_schedule_timeout+0x11c/0x1c0 [ 163.872291][ C0] do_sys_poll+0x82f/0x1240 [ 163.876820][ C0] ? debug_object_activate+0x2f7/0x6f0 [ 163.882269][ C0] ? debug_object_active_state+0x1e3/0x4a0 [ 163.888073][ C0] ? __lock_acquire+0xc75/0x1be0 [ 163.893005][ C0] ? __x32_compat_sys_ppoll_time64+0xd0/0xd0 [ 163.898978][ C0] ? trace_hardirqs_on+0x74/0x80 [ 163.904014][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 163.908779][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 163.915089][ C0] ? read_seqcount_begin+0x125/0x1c0 [ 163.920364][ C0] ? trace_hardirqs_on+0x74/0x80 [ 163.925286][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 163.930557][ C0] ? read_seqcount_begin+0x17a/0x1c0 [ 163.935832][ C0] ? ktime_get_ts64+0x240/0x2c0 [ 163.940667][ C0] ? timespec64_add_safe+0x171/0x1b0 [ 163.945946][ C0] __se_sys_poll+0x1b0/0x360 [ 163.950703][ C0] __x64_sys_poll+0x7b/0x90 [ 163.955214][ C0] do_syscall_64+0xf7/0x1c0 [ 163.959969][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 163.965848][ C0] RIP: 0033:0x7f62772a4678 [ 163.970251][ C0] Code: 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 90 90 90 48 83 ec 28 8b 05 82 8f 2b 00 85 c0 75 17 48 63 d2 b8 07 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 48 83 c4 28 c3 89 54 24 08 48 89 74 24 10 [ 163.990022][ C0] RSP: 002b:00007ffe7496dbf0 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 [ 163.998440][ C0] RAX: ffffffffffffffda RBX: 20c49ba5e353f7cf RCX: 00007f62772a4678 [ 164.006400][ C0] RDX: 000000000000ee35 RSI: 0000000000000001 RDI: 00007ffe7496dcb0 [ 164.014452][ C0] RBP: 0000000000000000 R08: 00007ffe7496dc00 R09: 00007ffe749800b8 [ 164.022498][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000001192110 [ 164.030461][ C0] R13: 0000000000001fd5 R14: 00007ffe7496dc84 R15: 0000000001192250