[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.697011][ T27] audit: type=1800 audit(1578452809.154:25): pid=8260 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.717838][ T27] audit: type=1800 audit(1578452809.154:26): pid=8260 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.765236][ T27] audit: type=1800 audit(1578452809.154:27): pid=8260 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 '10.128.0.147' (ECDSA) to the list of known hosts. 2020/01/08 03:06:57 fuzzer started 2020/01/08 03:06:59 dialing manager at 10.128.0.26:35703 2020/01/08 03:06:59 syscalls: 2824 2020/01/08 03:06:59 code coverage: enabled 2020/01/08 03:06:59 comparison tracing: enabled 2020/01/08 03:06:59 extra coverage: enabled 2020/01/08 03:06:59 setuid sandbox: enabled 2020/01/08 03:06:59 namespace sandbox: enabled 2020/01/08 03:06:59 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:06:59 fault injection: enabled 2020/01/08 03:06:59 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:06:59 net packet injection: enabled 2020/01/08 03:06:59 net device setup: enabled 2020/01/08 03:06:59 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:06:59 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:07:00 executing program 0: unshare(0x400) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000c34000)) ioctl$UFFDIO_ZEROPAGE(r0, 0x10, 0x0) 03:07:01 executing program 1: r0 = socket$packet(0x11, 0x808000000002, 0x300) mmap(&(0x7f0000000000/0x8000)=nil, 0x8000, 0x4, 0x800000032, 0xffffffffffffffff, 0x0) getsockopt$packet_int(r0, 0x107, 0x9, 0x0, &(0x7f0000000140)) syzkaller login: [ 57.635953][ T8428] IPVS: ftp: loaded support on port[0] = 21 03:07:01 executing program 2: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, 0x0, &(0x7f00000000c0)) [ 57.766003][ T8430] IPVS: ftp: loaded support on port[0] = 21 [ 57.788377][ T8428] chnl_net:caif_netlink_parms(): no params data found [ 57.849339][ T8428] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.857397][ T8428] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.872230][ T8428] device bridge_slave_0 entered promiscuous mode [ 57.914048][ T8428] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.936672][ T8428] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.944416][ T8428] device bridge_slave_1 entered promiscuous mode [ 57.973135][ T8433] IPVS: ftp: loaded support on port[0] = 21 [ 57.988954][ T8428] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.024346][ T8428] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 03:07:01 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, @bridge={{0xc, 0x1, 'bridge\x00'}, {0xc, 0x2, [@IFLA_BR_MAX_AGE={0x8}]}}}]}, 0x3c}}, 0x0) r2 = socket(0x10, 0x80002, 0x0) sendmmsg$alg(r2, &(0x7f0000000180), 0x27a4eaa51029717, 0x0) [ 58.084364][ T8428] team0: Port device team_slave_0 added [ 58.118265][ T8428] team0: Port device team_slave_1 added [ 58.150768][ T8430] chnl_net:caif_netlink_parms(): no params data found [ 58.253663][ T8436] IPVS: ftp: loaded support on port[0] = 21 03:07:01 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000840)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000880)=@newsa={0x140, 0x10, 0x40d, 0x0, 0x0, {{@in=@dev, @in6=@rand_addr="53ac9fe54f55edf45596dbdd8f96b25d"}, {@in=@empty, 0x0, 0x33}, @in=@broadcast, {}, {}, {}, 0x0, 0x0, 0xa}, [@algo_auth={0x48, 0x1, {{'crct10dif-arm64-ce\x00'}}}, @tfcpad={0x8}]}, 0x140}}, 0x0) [ 58.319273][ T8428] device hsr_slave_0 entered promiscuous mode [ 58.366621][ T8428] device hsr_slave_1 entered promiscuous mode [ 58.512167][ T8433] chnl_net:caif_netlink_parms(): no params data found [ 58.528815][ T8430] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.535896][ T8430] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.544046][ T8430] device bridge_slave_0 entered promiscuous mode [ 58.562787][ T8439] IPVS: ftp: loaded support on port[0] = 21 [ 58.585846][ T8430] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.596212][ T8430] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.605259][ T8430] device bridge_slave_1 entered promiscuous mode 03:07:02 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000000c0)={0x26, 'hash\x00', 0x0, 0x0, 'tgr160-generic\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000000)='net/ipv6_route\x00') sendfile(r1, r2, 0x0, 0x1000007ffff000) [ 58.672209][ T8430] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.694400][ T8433] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.707151][ T8433] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.714802][ T8433] device bridge_slave_0 entered promiscuous mode [ 58.724638][ T8430] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.783085][ T8433] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.795650][ T8433] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.805557][ T8433] device bridge_slave_1 entered promiscuous mode [ 58.847966][ T8433] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.873744][ T8430] team0: Port device team_slave_0 added [ 58.885331][ T8433] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.899572][ T8436] chnl_net:caif_netlink_parms(): no params data found [ 58.907324][ T8442] IPVS: ftp: loaded support on port[0] = 21 [ 58.920379][ T8430] team0: Port device team_slave_1 added [ 58.978496][ T8430] device hsr_slave_0 entered promiscuous mode [ 59.026731][ T8430] device hsr_slave_1 entered promiscuous mode [ 59.096498][ T8430] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.104247][ T8430] Cannot create hsr debugfs directory [ 59.110044][ T8428] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.160394][ T8428] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.227332][ T8433] team0: Port device team_slave_0 added [ 59.233221][ T8428] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.296051][ T8428] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.353105][ T8433] team0: Port device team_slave_1 added [ 59.371827][ T8436] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.379137][ T8436] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.387039][ T8436] device bridge_slave_0 entered promiscuous mode [ 59.396237][ T8436] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.403517][ T8436] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.411328][ T8436] device bridge_slave_1 entered promiscuous mode [ 59.468104][ T8433] device hsr_slave_0 entered promiscuous mode [ 59.546700][ T8433] device hsr_slave_1 entered promiscuous mode [ 59.616388][ T8433] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.623977][ T8433] Cannot create hsr debugfs directory [ 59.640591][ T8436] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.652339][ T8436] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.729029][ T8439] chnl_net:caif_netlink_parms(): no params data found [ 59.761318][ T8436] team0: Port device team_slave_0 added [ 59.787094][ T8436] team0: Port device team_slave_1 added [ 59.792812][ T8430] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.851102][ T8430] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.928538][ T8430] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.020053][ T8430] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.159982][ T8436] device hsr_slave_0 entered promiscuous mode [ 60.216680][ T8436] device hsr_slave_1 entered promiscuous mode [ 60.256460][ T8436] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.264101][ T8436] Cannot create hsr debugfs directory [ 60.272736][ T8442] chnl_net:caif_netlink_parms(): no params data found [ 60.291585][ T8439] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.299456][ T8439] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.308257][ T8439] device bridge_slave_0 entered promiscuous mode [ 60.349168][ T8439] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.356974][ T8439] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.364622][ T8439] device bridge_slave_1 entered promiscuous mode [ 60.384591][ T8439] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.421690][ T8439] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.436575][ T8433] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.472666][ T8433] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.536343][ T8442] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.543515][ T8442] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.552279][ T8442] device bridge_slave_0 entered promiscuous mode [ 60.561160][ T8433] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.633438][ T8433] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.699407][ T8442] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.707726][ T8442] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.715449][ T8442] device bridge_slave_1 entered promiscuous mode [ 60.729712][ T8439] team0: Port device team_slave_0 added [ 60.743594][ T8442] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.763670][ T8442] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.774114][ T8439] team0: Port device team_slave_1 added [ 60.801439][ T8428] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.878418][ T8439] device hsr_slave_0 entered promiscuous mode [ 60.936761][ T8439] device hsr_slave_1 entered promiscuous mode [ 60.996502][ T8439] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.004095][ T8439] Cannot create hsr debugfs directory [ 61.009863][ T8436] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.079624][ T8436] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.110260][ T8442] team0: Port device team_slave_0 added [ 61.148285][ T8436] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.188508][ T8436] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.232524][ T8442] team0: Port device team_slave_1 added [ 61.259677][ T3799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.271706][ T3799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.287456][ T8430] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.311877][ T8428] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.369080][ T8442] device hsr_slave_0 entered promiscuous mode [ 61.426730][ T8442] device hsr_slave_1 entered promiscuous mode [ 61.476609][ T8442] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.484195][ T8442] Cannot create hsr debugfs directory [ 61.508472][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.516192][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.525658][ T8439] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.548677][ T8439] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.601181][ T8430] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.627271][ T8439] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.662018][ T8439] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.712482][ T3799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.721408][ T3799] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.730601][ T3799] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.737837][ T3799] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.746087][ T3799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.755877][ T3799] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.764439][ T3799] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.771504][ T3799] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.787869][ T8433] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.804655][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.813327][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.822248][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.831456][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.841496][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.850023][ T3811] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.857111][ T3811] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.865278][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.883221][ T8433] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.906002][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.916118][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.925096][ T2678] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.934557][ T2678] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.942738][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.950590][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.958279][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.015075][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.024437][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.033075][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.041659][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.050330][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.058895][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.067711][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.076028][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.084478][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.092724][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.100622][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.135020][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.143997][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.152886][ T2678] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.159979][ T2678] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.168076][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.176991][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.185359][ T2678] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.192569][ T2678] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.200328][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.208918][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.217601][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.225939][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.234693][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.243020][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.251298][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.259819][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.268285][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.277047][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.285868][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.293920][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.315953][ T8430] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.328869][ T8430] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.345305][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.354278][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.373195][ T8442] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.431911][ T8442] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.488465][ T8428] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.496080][ T8442] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.552940][ T8442] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.621208][ T8436] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.646695][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.655256][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.663963][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.672638][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.682388][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.690235][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.705439][ T8433] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.718442][ T8433] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.737898][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.746211][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.755104][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.763388][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.790764][ T8433] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.804000][ T8430] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.817020][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.824471][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.837466][ T8436] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.858664][ T8439] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.877894][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.885391][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.900654][ T8439] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.918439][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.926233][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.934554][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.944502][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.953831][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.961035][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.969129][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.977929][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.013191][ T8428] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.033015][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.041133][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.052632][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.061133][ T3811] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.068323][ T3811] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.076614][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.085192][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.093803][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.102368][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.110986][ T3811] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.118095][ T3811] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.125758][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.134457][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.143219][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.151621][ T3811] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.158742][ T3811] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.169657][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.177875][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.228689][ T8430] device veth0_vlan entered promiscuous mode [ 63.240794][ T8433] device veth0_vlan entered promiscuous mode [ 63.248044][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.257107][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.265205][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.274046][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.282637][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.291230][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.299573][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.308333][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.316836][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.325245][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.333651][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.342079][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.351459][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.359880][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.368177][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.376802][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.385016][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.393391][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.401559][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.409947][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.418283][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.425949][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.434186][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.442122][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.450509][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.458268][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.482571][ T8439] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.491284][ T8436] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.505890][ T8436] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.515511][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.524207][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.532493][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.541070][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.552647][ T8442] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.562631][ T8430] device veth1_vlan entered promiscuous mode [ 63.590196][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.599110][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.609990][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.618790][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.626813][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.638633][ T8433] device veth1_vlan entered promiscuous mode [ 63.652144][ T8428] device veth0_vlan entered promiscuous mode [ 63.666977][ T8428] device veth1_vlan entered promiscuous mode [ 63.685039][ T8442] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.700257][ T3799] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.708590][ T3799] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.716929][ T3799] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.724991][ T3799] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.733514][ T3799] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.741879][ T3799] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.749549][ T3799] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.757693][ T3799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.765389][ T3799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.776715][ T8436] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.801529][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.810393][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.819761][ T3811] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.826880][ T3811] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.834669][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.842412][ T3811] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.852385][ T8439] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 168.886246][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 168.893098][ C1] rcu: 1-...!: (10499 ticks this GP) idle=aae/1/0x4000000000000002 softirq=11724/11724 fqs=2 [ 168.903699][ C1] (t=10501 jiffies g=6841 q=254) [ 168.908735][ C1] rcu: rcu_preempt kthread starved for 10498 jiffies! g6841 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 168.919820][ C1] rcu: RCU grace-period kthread stack dump: [ 168.925716][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 168.933633][ C1] Call Trace: [ 168.936934][ C1] __schedule+0x9a0/0xcc0 [ 168.941265][ C1] schedule+0x181/0x210 [ 168.945416][ C1] schedule_timeout+0x14f/0x240 [ 168.950261][ C1] ? run_local_timers+0x120/0x120 [ 168.955284][ C1] rcu_gp_kthread+0xed8/0x1770 [ 168.960048][ C1] kthread+0x332/0x350 [ 168.964102][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 168.969209][ C1] ? kthread_blkcg+0xe0/0xe0 [ 168.973791][ C1] ret_from_fork+0x24/0x30 [ 168.978210][ C1] NMI backtrace for cpu 1 [ 168.982535][ C1] CPU: 1 PID: 2670 Comm: kworker/1:2 Not tainted 5.5.0-rc5-syzkaller #0 [ 168.990844][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.000897][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 169.006877][ C1] Call Trace: [ 169.010148][ C1] [ 169.013048][ C1] dump_stack+0x1fb/0x318 [ 169.017371][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 169.022211][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 169.028357][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 169.034414][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 169.040400][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 169.046283][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 169.051389][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 169.056580][ C1] ? trace_hardirqs_off+0x74/0x80 [ 169.061598][ C1] update_process_times+0x12d/0x180 [ 169.066794][ C1] tick_sched_timer+0x263/0x420 [ 169.071633][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.077169][ C1] __hrtimer_run_queues+0x403/0x840 [ 169.082373][ C1] hrtimer_interrupt+0x38c/0xda0 [ 169.087320][ C1] ? debug_smp_processor_id+0x9/0x20 [ 169.092601][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 169.098137][ C1] apic_timer_interrupt+0xf/0x20 [ 169.103057][ C1] [ 169.105990][ C1] RIP: 0010:mod_memcg_page_state+0x0/0x190 [ 169.111801][ C1] Code: 48 8b 3b e8 32 7e 60 00 eb 0c e8 eb 27 2e 00 eb 05 e8 e4 27 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 54 53 41 89 f6 48 89 fb e8 ba 27 2e 00 [ 169.131393][ C1] RSP: 0018:ffffc9000780f648 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 169.139791][ C1] RAX: 1ffff1101295b561 RBX: ffff888094adab08 RCX: 0000000000000000 [ 169.147758][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00022fc240 [ 169.155731][ C1] RBP: ffffc9000780f688 R08: 000000000003a728 R09: ffffed10138cfa89 [ 169.164041][ C1] R10: ffffed10138cfa89 R11: 0000000000000000 R12: ffff888094adaba0 [ 169.172000][ C1] R13: dffffc0000000000 R14: 1ffff1101295b574 R15: ffff88809c67d438 [ 169.179983][ C1] ? free_thread_stack+0x168/0x590 [ 169.185088][ C1] put_task_stack+0xa3/0x130 [ 169.189668][ C1] finish_task_switch+0x3f1/0x550 [ 169.194685][ C1] __schedule+0x9a8/0xcc0 [ 169.199010][ C1] ? rcu_lock_release+0xd/0x30 [ 169.203763][ C1] ? ___preempt_schedule+0x16/0x18 [ 169.208864][ C1] preempt_schedule+0xdb/0x120 [ 169.213620][ C1] ? local_bh_enable+0x9/0x30 [ 169.218305][ C1] ___preempt_schedule+0x16/0x18 [ 169.223246][ C1] ? mark_lock+0x107/0x1650 [ 169.227745][ C1] __local_bh_enable_ip+0x17d/0x240 [ 169.232947][ C1] local_bh_enable+0x1f/0x30 [ 169.237608][ C1] ip6_finish_output2+0x109f/0x13b0 [ 169.242816][ C1] __ip6_finish_output+0x693/0x8c0 [ 169.247967][ C1] ip6_finish_output+0x52/0x1e0 [ 169.252812][ C1] ? ip6_output+0x2ad/0x3c0 [ 169.257310][ C1] ip6_output+0x2c2/0x3c0 [ 169.261668][ C1] ndisc_send_skb+0xa35/0xe20 [ 169.266353][ C1] ndisc_send_rs+0x500/0x680 [ 169.270937][ C1] addrconf_dad_completed+0x793/0xc70 [ 169.276307][ C1] addrconf_dad_work+0xd3a/0x1c30 [ 169.281348][ C1] process_one_work+0x7ef/0x10d0 [ 169.286291][ C1] worker_thread+0xc01/0x1630 [ 169.290985][ C1] kthread+0x332/0x350 [ 169.295041][ C1] ? rcu_lock_release+0x30/0x30 [ 169.299882][ C1] ? kthread_blkcg+0xe0/0xe0 [ 169.304484][ C1] ret_from_fork+0x24/0x30