[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 54.782990][ T27] audit: type=1800 audit(1578468827.553:25): pid=8521 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 54.802020][ T27] audit: type=1800 audit(1578468827.563:26): pid=8521 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 54.835849][ T27] audit: type=1800 audit(1578468827.563:27): pid=8521 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.34' (ECDSA) to the list of known hosts. 2020/01/08 07:33:59 fuzzer started 2020/01/08 07:34:01 dialing manager at 10.128.0.26:35703 2020/01/08 07:34:01 syscalls: 2824 2020/01/08 07:34:01 code coverage: enabled 2020/01/08 07:34:01 comparison tracing: enabled 2020/01/08 07:34:01 extra coverage: enabled 2020/01/08 07:34:01 setuid sandbox: enabled 2020/01/08 07:34:01 namespace sandbox: enabled 2020/01/08 07:34:01 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 07:34:01 fault injection: enabled 2020/01/08 07:34:01 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 07:34:01 net packet injection: enabled 2020/01/08 07:34:01 net device setup: enabled 2020/01/08 07:34:01 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 07:34:01 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:34:02 executing program 0: unshare(0x400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) setsockopt$inet_tcp_TCP_QUEUE_SEQ(r1, 0x6, 0x15, &(0x7f0000000080), 0x7a) 07:34:02 executing program 1: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x7, 0x31, 0xffffffffffffffff, 0x0) mbind(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x2, &(0x7f0000000000)=0x3, 0x8, 0x0) get_mempolicy(0x0, 0x0, 0x0, &(0x7f000056d000/0x3000)=nil, 0x3) syzkaller login: [ 70.135801][ T8687] IPVS: ftp: loaded support on port[0] = 21 07:34:03 executing program 2: r0 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x7a, &(0x7f00000016c0)={0x0, @in={{0x2, 0x0, @loopback}}}, &(0x7f00000017c0)=0x100) [ 70.304359][ T8690] IPVS: ftp: loaded support on port[0] = 21 [ 70.330639][ T8687] chnl_net:caif_netlink_parms(): no params data found [ 70.438804][ T8687] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.448877][ T8687] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.457359][ T8687] device bridge_slave_0 entered promiscuous mode [ 70.482387][ T8687] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.491752][ T8687] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.500100][ T8687] device bridge_slave_1 entered promiscuous mode [ 70.555263][ T8693] IPVS: ftp: loaded support on port[0] = 21 [ 70.580087][ T8687] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 07:34:03 executing program 3: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f0000000e00)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='GPL\x00'}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000100)={r0, 0x0, 0xe80, 0x0, &(0x7f0000000540)="8d14fb003092bd81ed4e5b534c5747c8", 0x0, 0x1000, 0x0, 0x0, 0x250}, 0x28) [ 70.599590][ T8690] chnl_net:caif_netlink_parms(): no params data found [ 70.614513][ T8687] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.689369][ T8687] team0: Port device team_slave_0 added [ 70.749454][ T8690] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.765635][ T8690] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.773535][ T8690] device bridge_slave_0 entered promiscuous mode [ 70.798017][ T8687] team0: Port device team_slave_1 added [ 70.803899][ T8690] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.825626][ T8690] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.833669][ T8690] device bridge_slave_1 entered promiscuous mode 07:34:03 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0xff}, 0x0) sched_setattr(0x0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x5}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 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, @perf_config_ext}, 0x0, 0xffff7fffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000240)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c000100766574680000000018000200fd00010000000000", @ANYRES32=0x0, @ANYBLOB="e6d2759622f87074763ef8c3c6b0915ec1d32cd4fd6367e4d59c98610ebbf4ba2eb2a35b08ff338832ca84b13a719c053724c5666747ea7723ef96ff4508ed4fcff49b3ce469c2a538e65fc994c45b"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x801, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x10}]}, 0x28}}, 0x0) [ 70.882604][ T8690] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.904337][ T8695] IPVS: ftp: loaded support on port[0] = 21 [ 70.969393][ T8687] device hsr_slave_0 entered promiscuous mode [ 71.077883][ T8687] device hsr_slave_1 entered promiscuous mode 07:34:03 executing program 5: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000600)='cgroup.threads\x00', 0x2, 0x0) r2 = openat$cgroup_procs(r0, &(0x7f0000000300)='cgroup.procs\x00', 0x2, 0x0) sendfile(r1, r2, 0x0, 0x8) mount(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000200)='cgroup2\x00', 0x0, 0x0) r3 = open(&(0x7f0000000380)='./file0\x00', 0x0, 0x0) r4 = memfd_create(&(0x7f0000001540)='}\xbf*x\x89-vO\xd3JUk\x88O\xc4N\xa2\rqI\r\xb3\xd9Q(\n\x1a\x9f/X\x1d9\x03\xc2\x16\xaf\x9d\xffl\xdcC\xeb\xa6\x96\x12$\xd15[z\x85\xf4\x1e\xcc\xfc\xf64\x00\x00\x00\x00\x00\x00\x00Pw\x1bN[\x81\x92\x15P\xc5\x0e\x06\x17\b\xaf\nu\xd8D9z\x9eR\bjh\xce\xa9j\xda\xf8B\x84\x8d\x12.\xeb\x95\x9a\n\xb2M\xc7\xd1\x87N\xc5Os?T\"\xfc\fc\x92\xbb>\xa3l\x9a\xc9\'\x14\xd5+\xb1\xa6\xf5\x9e\xd1\xea%\xd8l\xae\xd6\\dZ\x17/\xe7$(\x8ax\xdc\xc4\xb7\xa4\x9b\x92\xd8\x16Lz\x9e\xfc\xf8\xf1\xdc\xb9+F~%\x16e\x81\x1b\x11vw1:\xdd]\xb9\xe8\x99\xea\xd1O\x83\xf3WA\xad\xaa\xdc\r~[I\x9f\xac\x03\xf9\xe2\x12Je\xe9$\xd2\x00\xef\r\xbbQ2\xa1T4\xb4\x116RO+\x0e\x98\x8b\x1b\xc1\x81\xf0U\x93\xd1\xf7\xbb}N\'\xea\x8f\xbbdd\xda\xb5\x7f\xff\xef\xfd\xd5\x9b\x01?\xad \xa8\xe3l\x86\"\x94M\xd5\xfa]\x9f\x1d\xad\xf9y\xfc\x03=$Z\x00Oa#`qHd\xcc\x8f\x80\xa1\xed\x81 \x85\xe7\x1f\x99\xbe\xe8\xe5\xcey\n\xab\x8b\xa0yM\xba\xcf7}\x8eVQ\xe6d.S\x9e\xb1\x98\xd9\xc8;\xcc\xd5\xf2)\xf7Zh)\xffF\xb8\xc7\xd2%\xcd\xc7\x05\xefq\\\x97]\xd7\x1b\xdf\"o\xca\xd4\xe0\xd5\x125\xefz1\xcc\xe1nZ\xbe\x16\xa1\x8f\xc8)9\xb8\xc6\xc2\xdd8.*U\xe0\xc5\x04\x00\xd9\xfd{ZT\xf2\xe4\xb9\x95x\xa5\xbd\x04\x0f\x8eky\xd8\x8e\xd77p\n\x11\x13)\x9b\xf3D\xb2\x88*(\x02{\xb2`:\x01\x00\x00\x00\x00\x00\x00\xee\xff\xff\xffV2\xaa\x82', 0x0) sendfile(r4, r1, 0x0, 0x40d2) r5 = openat$cgroup_procs(r3, &(0x7f00000003c0)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r5, &(0x7f0000000100), 0x12) [ 71.127141][ T8690] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.190616][ T8697] IPVS: ftp: loaded support on port[0] = 21 [ 71.260059][ T8690] team0: Port device team_slave_0 added [ 71.277243][ T8690] team0: Port device team_slave_1 added [ 71.292680][ T8693] chnl_net:caif_netlink_parms(): no params data found [ 71.316861][ T8700] IPVS: ftp: loaded support on port[0] = 21 [ 71.359498][ T8690] device hsr_slave_0 entered promiscuous mode [ 71.415957][ T8690] device hsr_slave_1 entered promiscuous mode [ 71.455720][ T8690] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.463457][ T8690] Cannot create hsr debugfs directory [ 71.591089][ T8693] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.599050][ T8693] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.607080][ T8693] device bridge_slave_0 entered promiscuous mode [ 71.659987][ T8693] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.670362][ T8693] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.678455][ T8693] device bridge_slave_1 entered promiscuous mode [ 71.702779][ T8693] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.712206][ T8695] chnl_net:caif_netlink_parms(): no params data found [ 71.751092][ T8693] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.761065][ T8687] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.810192][ T8687] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.860945][ T8687] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.910891][ T8687] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.994005][ T8695] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.002278][ T8695] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.011063][ T8695] device bridge_slave_0 entered promiscuous mode [ 72.053201][ T8695] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.062706][ T8695] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.070580][ T8695] device bridge_slave_1 entered promiscuous mode [ 72.092621][ T8697] chnl_net:caif_netlink_parms(): no params data found [ 72.113085][ T8693] team0: Port device team_slave_0 added [ 72.120692][ T8695] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.159226][ T8693] team0: Port device team_slave_1 added [ 72.166446][ T8695] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.181762][ T8690] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 72.251853][ T8690] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 72.323166][ T8700] chnl_net:caif_netlink_parms(): no params data found [ 72.343459][ T8695] team0: Port device team_slave_0 added [ 72.364184][ T8690] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 72.441982][ T8690] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 72.490763][ T8695] team0: Port device team_slave_1 added [ 72.533590][ T8697] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.543712][ T8697] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.552020][ T8697] device bridge_slave_0 entered promiscuous mode [ 72.598210][ T8693] device hsr_slave_0 entered promiscuous mode [ 72.656111][ T8693] device hsr_slave_1 entered promiscuous mode [ 72.695664][ T8693] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.703413][ T8693] Cannot create hsr debugfs directory [ 72.748560][ T8695] device hsr_slave_0 entered promiscuous mode [ 72.796010][ T8695] device hsr_slave_1 entered promiscuous mode [ 72.855750][ T8695] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.863381][ T8695] Cannot create hsr debugfs directory [ 72.878901][ T8697] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.886298][ T8697] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.893891][ T8697] device bridge_slave_1 entered promiscuous mode [ 72.948432][ T8697] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.960747][ T8700] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.968248][ T8700] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.976297][ T8700] device bridge_slave_0 entered promiscuous mode [ 72.992396][ T8700] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.999539][ T8700] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.008528][ T8700] device bridge_slave_1 entered promiscuous mode [ 73.017063][ T8697] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.064953][ T8700] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.098487][ T8700] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.116686][ T8697] team0: Port device team_slave_0 added [ 73.127197][ T8697] team0: Port device team_slave_1 added [ 73.207462][ T8697] device hsr_slave_0 entered promiscuous mode [ 73.255923][ T8697] device hsr_slave_1 entered promiscuous mode [ 73.305704][ T8697] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.313323][ T8697] Cannot create hsr debugfs directory [ 73.321957][ T8700] team0: Port device team_slave_0 added [ 73.333956][ T8700] team0: Port device team_slave_1 added [ 73.376164][ T8693] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 73.478414][ T8700] device hsr_slave_0 entered promiscuous mode [ 73.535924][ T8700] device hsr_slave_1 entered promiscuous mode [ 73.575756][ T8700] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.583376][ T8700] Cannot create hsr debugfs directory [ 73.592685][ T8687] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.603317][ T8693] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 73.663257][ T8693] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 73.711309][ T8693] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 73.773660][ T8695] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 73.800003][ T8695] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 73.895846][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.904169][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.912833][ T8695] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 73.960933][ T8695] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 74.022107][ T8690] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.041870][ T8687] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.085178][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.095117][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.104590][ T3006] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.111836][ T3006] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.120574][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.128989][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.140777][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.159065][ T8690] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.181475][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.190591][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.199568][ T3115] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.206676][ T3115] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.214167][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.250996][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.263009][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.271568][ T3115] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.278655][ T3115] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.286317][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.294721][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.303689][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.313624][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.322414][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.331182][ T3115] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.338297][ T3115] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.346970][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.355187][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.369265][ T8697] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 74.448219][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.457196][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.465759][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.474414][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.484101][ T8697] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 74.557749][ T8697] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 74.623555][ T8697] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 74.690790][ T8693] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.711537][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.723622][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.732621][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.741443][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.749930][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.759054][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.768501][ T3115] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.781124][ T8687] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.796344][ T8700] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 74.872301][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.880464][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.890036][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.899232][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.908919][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.917861][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.926656][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.934947][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.947596][ T8693] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.963014][ T8700] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 75.060522][ T8700] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 75.129655][ T8690] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.138102][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.147698][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.156618][ T3063] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.163669][ T3063] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.197743][ T8700] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 75.236751][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.244972][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.253860][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.262446][ T3006] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.269502][ T3006] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.277866][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.287134][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.319816][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.330018][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.339855][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.348501][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.357425][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.364893][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.377173][ T8687] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.395701][ T8695] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.406727][ T8693] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 75.419089][ T8693] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.431229][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.440022][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.448705][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.457456][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.466343][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.475017][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.493775][ T8695] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.526358][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.533848][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.541876][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.552392][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.560609][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.570204][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.579088][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.586922][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.613280][ T8690] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.640276][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.649174][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.658605][ T2779] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.665735][ T2779] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.673330][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.682189][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.690835][ T2779] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.697968][ T2779] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.705863][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.714568][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.723734][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.732378][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.741035][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.749803][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.759276][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.767744][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.785127][ T8693] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.812138][ T8697] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.824723][ T8687] device veth0_vlan entered promiscuous mode [ 75.843970][ T8695] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 75.855184][ T8695] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.877352][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.890320][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.899550][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.908734][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.917687][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.926607][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.934792][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.943853][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.952626][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.960335][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.975325][ T8687] device veth1_vlan entered promiscuous mode [ 75.993914][ T8697] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.003333][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.011909][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.020219][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.028658][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.051847][ T8690] device veth0_vlan entered promiscuous mode [ 76.087041][ T8700] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.093877][ T2834] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.103172][ T2834] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.111236][ T2834] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.118889][ T2834] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 76.127450][ T2834] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.135804][ T2834] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.144229][ T2834] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.152733][ T2834] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.159829][ T2834] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.167662][ T2834] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.176448][ T2834] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.184687][ T2834] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.191800][ T2834] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.200367][ T2834] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.208091][ T2834] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.215754][ T2834] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.228306][ T8690] device veth1_vlan entered promiscuous mode [ 76.254379][ T8700] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.264539][ T8695] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.279562][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.293517][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.302091][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.337067][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.350879][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.359563][ T3063] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.366659][ T3063] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.374342][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.383288][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.392355][ T3063] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.399499][ T3063] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.408698][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.417993][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.427158][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.435701][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.444145][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.452608][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.461473][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.471868][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.479961][ T3063] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.504548][ T8700] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 76.516938][ T8700] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.557075][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.572785][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.581793][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.596904][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.605307][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.614738][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.623820][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.632637][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.645036][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.654013][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.662760][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.671652][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.680242][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.688878][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.726058][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.734333][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.742450][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.752411][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.762350][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 76.771455][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.785882][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.793956][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 181.595483][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 181.602331][ C0] rcu: 0-...!: (1 GPs behind) idle=a5e/1/0x4000000000000002 softirq=14348/14349 fqs=13 [ 181.612408][ C0] (t=10500 jiffies g=7189 q=394) [ 181.617558][ C0] rcu: rcu_preempt kthread starved for 10474 jiffies! g7189 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 181.628649][ C0] rcu: RCU grace-period kthread stack dump: [ 181.634540][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 181.642432][ C0] Call Trace: [ 181.645732][ C0] __schedule+0x9a0/0xcc0 [ 181.650078][ C0] schedule+0x181/0x210 [ 181.654353][ C0] schedule_timeout+0x14f/0x240 [ 181.659208][ C0] ? run_local_timers+0x120/0x120 [ 181.664247][ C0] rcu_gp_kthread+0xed8/0x1770 [ 181.669021][ C0] kthread+0x332/0x350 [ 181.673115][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 181.678229][ C0] ? kthread_blkcg+0xe0/0xe0 [ 181.682817][ C0] ret_from_fork+0x24/0x30 [ 181.687237][ C0] NMI backtrace for cpu 0 [ 181.691559][ C0] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 5.5.0-rc5-syzkaller #0 [ 181.699793][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.709922][ C0] Workqueue: 0x0 (gid-cache-wq) [ 181.714853][ C0] Call Trace: [ 181.718124][ C0] [ 181.720970][ C0] dump_stack+0x1fb/0x318 [ 181.725291][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 181.730145][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 181.736292][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 181.742350][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 181.748318][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 181.754374][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 181.759477][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 181.765888][ C0] ? trace_hardirqs_off+0x74/0x80 [ 181.770902][ C0] update_process_times+0x12d/0x180 [ 181.776107][ C0] tick_sched_timer+0x263/0x420 [ 181.780945][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 181.786478][ C0] __hrtimer_run_queues+0x403/0x840 [ 181.791677][ C0] hrtimer_interrupt+0x38c/0xda0 [ 181.796617][ C0] ? debug_smp_processor_id+0x9/0x20 [ 181.801978][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 181.807513][ C0] apic_timer_interrupt+0xf/0x20 [ 181.812431][ C0] [ 181.815360][ C0] RIP: 0010:mod_memcg_page_state+0x3d/0x190 [ 181.821411][ C0] Code: 27 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 80 3c 20 00 74 08 48 89 df e8 e6 8f 6a 00 48 8b 1b <48> 85 db 0f 84 d8 00 00 00 48 c7 c0 60 95 2a 89 48 c1 e8 03 42 80 [ 181.841015][ C0] RSP: 0018:ffffc90000cdfc00 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 181.849411][ C0] RAX: 1ffffd4000495d57 RBX: 0000000000000000 RCX: ffff8880a99e41c0 [ 181.857387][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00024aea80 [ 181.865467][ C0] RBP: ffffc90000cdfc20 R08: 000000000003a728 R09: ffffed1012861f11 [ 181.873432][ C0] R10: ffffed1012861f11 R11: 0000000000000000 R12: dffffc0000000000 [ 181.881396][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88809430f878 [ 181.889384][ C0] free_thread_stack+0x168/0x590 [ 181.894325][ C0] put_task_stack+0xa3/0x130 [ 181.898903][ C0] finish_task_switch+0x3f1/0x550 [ 181.903920][ C0] __schedule+0x9a8/0xcc0 [ 181.908247][ C0] schedule+0x181/0x210 [ 181.912392][ C0] worker_thread+0x10d6/0x1630 [ 181.917167][ C0] kthread+0x332/0x350 [ 181.921339][ C0] ? rcu_lock_release+0x30/0x30 [ 181.926214][ C0] ? kthread_blkcg+0xe0/0xe0 [ 181.930813][ C0] ret_from_fork+0x24/0x30