[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.013504][ T27] audit: type=1800 audit(1578448243.902:25): pid=8376 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.033627][ T27] audit: type=1800 audit(1578448243.902:26): pid=8376 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.053800][ T27] audit: type=1800 audit(1578448243.912:27): pid=8376 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 '10.128.0.215' (ECDSA) to the list of known hosts. 2020/01/08 01:50:53 fuzzer started 2020/01/08 01:50:55 dialing manager at 10.128.0.26:35703 2020/01/08 01:50:55 syscalls: 2824 2020/01/08 01:50:55 code coverage: enabled 2020/01/08 01:50:55 comparison tracing: enabled 2020/01/08 01:50:55 extra coverage: enabled 2020/01/08 01:50:55 setuid sandbox: enabled 2020/01/08 01:50:55 namespace sandbox: enabled 2020/01/08 01:50:55 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 01:50:55 fault injection: enabled 2020/01/08 01:50:55 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 01:50:55 net packet injection: enabled 2020/01/08 01:50:55 net device setup: enabled 2020/01/08 01:50:55 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 01:50:55 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:50:56 executing program 0: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f0000000040)=0x2000000000000074, 0x4) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000480)={0x1, &(0x7f0000000400)=[{0x6, 0x0, 0x0, 0xe8}]}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000180)='dctcp\x00', 0x6) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='bbr\x00', 0x3) sendmsg$nl_netfilter(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYPTR64, @ANYRES32, @ANYRESOCT, @ANYPTR64, @ANYRESDEC, @ANYRESOCT, @ANYRESOCT, @ANYBLOB="40b8127e9e3447502400003119181478ad379caea3a59774d2205444d2f05bda6ac3c93ee3922af328e54cb97576ebb9d0917be2ab4a0171d4f5d313c13e69e471c2cac1ebefea77faaad5919edd1d14c56099aeff6735a335e329f6"], 0xc9}}, 0x0) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000600), 0x4) sendto$inet(r0, &(0x7f00000012c0)="03268a927f1f6588b967481241ba7860f46ef65ac623ded8974895abeaf4b4834ff922b3f1e0b02bd67aa03059bcecc7a92825a3a07e758044ab4ea6f7ae55d88fecf9221a7511bf746bec66ba", 0x104eb, 0x11, 0x0, 0x27) 01:50:57 executing program 1: r0 = userfaultfd(0x0) read(r0, 0x0, 0x0) syzkaller login: [ 65.250083][ T8543] IPVS: ftp: loaded support on port[0] = 21 01:50:57 executing program 2: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x3) [ 65.414779][ T8543] chnl_net:caif_netlink_parms(): no params data found [ 65.425916][ T8545] IPVS: ftp: loaded support on port[0] = 21 [ 65.515986][ T8543] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.538717][ T8543] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.546829][ T8543] device bridge_slave_0 entered promiscuous mode [ 65.588337][ T8543] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.595768][ T8543] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.610054][ T8543] device bridge_slave_1 entered promiscuous mode [ 65.675360][ T8543] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.702475][ T8545] chnl_net:caif_netlink_parms(): no params data found 01:50:57 executing program 3: r0 = socket$kcm(0x2, 0x2, 0x73) bind$inet(r0, &(0x7f0000001240)={0x2, 0x0, @empty}, 0x10) connect(r0, &(0x7f0000000000)=@pppol2tpv3={0x2, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @local}}}, 0x80) getsockopt$sock_buf(r0, 0x1, 0x1c, 0x0, &(0x7f0000000100)) [ 65.718750][ T8543] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.734455][ T8549] IPVS: ftp: loaded support on port[0] = 21 [ 65.807237][ T8543] team0: Port device team_slave_0 added [ 65.843908][ T8543] team0: Port device team_slave_1 added [ 65.851147][ T8545] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.860303][ T8545] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.870646][ T8545] device bridge_slave_0 entered promiscuous mode [ 65.911898][ T8545] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.920344][ T8545] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.928832][ T8545] device bridge_slave_1 entered promiscuous mode 01:50:57 executing program 4: perf_event_open(&(0x7f0000000880)={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) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x254, &(0x7f0000000200)={&(0x7f0000000340)=@newlink={0x50, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_AF_SPEC={0x28}, @IFLA_GROUP={0x8}]}, 0x50}}, 0x0) [ 66.011562][ T8543] device hsr_slave_0 entered promiscuous mode [ 66.050361][ T8543] device hsr_slave_1 entered promiscuous mode [ 66.103867][ T8551] IPVS: ftp: loaded support on port[0] = 21 [ 66.175636][ T8545] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 01:50:58 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setown(0xffffffffffffffff, 0x8, 0x0) fchdir(0xffffffffffffffff) r0 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x0}, &(0x7f0000000640)="585ccbe4ed83b836c1a6474914dc55e72206467b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c999264d90ab9728a725022b8753a188748c569fffffb3bae96e01800000c93c152f5ea9198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71febacf40d32e4b58a8c2725561f6b10fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f477253923ea53f04a72a2d18249a9", 0xcc, 0xfffffffffffffffe) r1 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r1, r0, r1}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000600)={'sha3-224\x00'}}) keyctl$unlink(0x9, 0x0, 0x0) getresuid(0x0, 0x0, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, 0x0, 0x0) open$dir(0x0, 0x0, 0x0) [ 66.224073][ T8549] chnl_net:caif_netlink_parms(): no params data found [ 66.235205][ T8545] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.254955][ T8553] IPVS: ftp: loaded support on port[0] = 21 [ 66.345216][ T8545] team0: Port device team_slave_0 added [ 66.374805][ T8545] team0: Port device team_slave_1 added [ 66.441782][ T8549] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.449152][ T8549] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.457149][ T8549] device bridge_slave_0 entered promiscuous mode [ 66.459529][ T8556] IPVS: ftp: loaded support on port[0] = 21 [ 66.542244][ T8545] device hsr_slave_0 entered promiscuous mode [ 66.608423][ T8545] device hsr_slave_1 entered promiscuous mode [ 66.658416][ T8545] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.666272][ T8545] Cannot create hsr debugfs directory [ 66.691185][ T8549] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.698556][ T8549] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.706191][ T8549] device bridge_slave_1 entered promiscuous mode [ 66.734765][ T8549] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.754349][ T8549] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.790451][ T8551] chnl_net:caif_netlink_parms(): no params data found [ 66.802209][ T8543] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.864483][ T8543] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.913523][ T8543] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.953142][ T8543] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.014033][ T8549] team0: Port device team_slave_0 added [ 67.026683][ T8549] team0: Port device team_slave_1 added [ 67.112175][ T8551] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.119460][ T8551] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.128346][ T8551] device bridge_slave_0 entered promiscuous mode [ 67.149592][ T8551] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.156984][ T8551] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.164949][ T8551] device bridge_slave_1 entered promiscuous mode [ 67.190122][ T8549] device hsr_slave_0 entered promiscuous mode [ 67.238618][ T8549] device hsr_slave_1 entered promiscuous mode [ 67.288209][ T8549] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.295797][ T8549] Cannot create hsr debugfs directory [ 67.320117][ T8553] chnl_net:caif_netlink_parms(): no params data found [ 67.374969][ T8545] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.435379][ T8545] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.491113][ T8551] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.505363][ T8551] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.544638][ T8545] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.610335][ T8545] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.678655][ T8556] chnl_net:caif_netlink_parms(): no params data found [ 67.687274][ T8553] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.694673][ T8553] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.702454][ T8553] device bridge_slave_0 entered promiscuous mode [ 67.712765][ T8553] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.719961][ T8553] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.727739][ T8553] device bridge_slave_1 entered promiscuous mode [ 67.745226][ T8551] team0: Port device team_slave_0 added [ 67.780393][ T8553] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.791285][ T8551] team0: Port device team_slave_1 added [ 67.807949][ T8553] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.920097][ T8551] device hsr_slave_0 entered promiscuous mode [ 67.958376][ T8551] device hsr_slave_1 entered promiscuous mode [ 68.018146][ T8551] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.025741][ T8551] Cannot create hsr debugfs directory [ 68.031543][ T8556] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.039044][ T8556] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.046722][ T8556] device bridge_slave_0 entered promiscuous mode [ 68.064741][ T8556] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.077675][ T8556] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.085664][ T8556] device bridge_slave_1 entered promiscuous mode [ 68.100932][ T8553] team0: Port device team_slave_0 added [ 68.111866][ T8549] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.166658][ T8556] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.178488][ T8553] team0: Port device team_slave_1 added [ 68.184262][ T8549] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.231982][ T8549] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.295420][ T8549] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 68.352979][ T8556] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.376120][ T8556] team0: Port device team_slave_0 added [ 68.383994][ T8556] team0: Port device team_slave_1 added [ 68.452253][ T8543] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.510117][ T8556] device hsr_slave_0 entered promiscuous mode [ 68.559367][ T8556] device hsr_slave_1 entered promiscuous mode [ 68.598202][ T8556] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.605830][ T8556] Cannot create hsr debugfs directory [ 68.661116][ T8553] device hsr_slave_0 entered promiscuous mode [ 68.698504][ T8553] device hsr_slave_1 entered promiscuous mode [ 68.749579][ T8553] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.757410][ T8553] Cannot create hsr debugfs directory [ 68.780010][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.789335][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.804560][ T8543] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.857546][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.867569][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.877032][ T2977] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.884761][ T2977] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.897009][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.924284][ T8545] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.950966][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.960095][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.969796][ T2977] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.977120][ T2977] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.985007][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.015204][ T8545] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.034617][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.043474][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.055551][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.064410][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.072333][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.080361][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.089934][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.099879][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.108345][ T8551] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.163241][ T8551] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.222833][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.231813][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.241429][ T3190] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.248541][ T3190] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.256258][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.265237][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.277479][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.287345][ T8551] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.344531][ T8551] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.413227][ T8543] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.424539][ T8543] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.442326][ T8556] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.510432][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.519106][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.527799][ T2983] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.534959][ T2983] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.542877][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.552146][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.582063][ T8556] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.630011][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.641375][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.651157][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.660816][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.693297][ T8553] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.730225][ T8556] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.780376][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.788643][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.797600][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.807944][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.817715][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.827111][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.835361][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.853801][ T8543] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.875156][ T8553] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.920277][ T8556] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.971066][ T8545] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.984095][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.992650][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.002260][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.021194][ T8553] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.050196][ T8553] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.098994][ T8549] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.105790][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.114732][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.156944][ T8549] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.175202][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.183606][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.191751][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.200794][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.209892][ T2977] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.216945][ T2977] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.224762][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.233268][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.241723][ T2977] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.248814][ T2977] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.256739][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.286892][ T8551] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.303183][ T8543] device veth0_vlan entered promiscuous mode [ 70.316238][ T8545] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.324090][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.332769][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.340430][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.350170][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.358523][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.367542][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.375286][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.395102][ T8551] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.410325][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.422164][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.430145][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.437875][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.448659][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.459578][ T8543] device veth1_vlan entered promiscuous mode [ 70.487499][ T8545] device veth0_vlan entered promiscuous mode [ 70.495299][ T2994] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.504327][ T2994] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.512749][ T2994] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.523368][ T2994] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.532630][ T2994] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.541246][ T2994] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.549994][ T2994] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.558584][ T2994] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.569209][ T2994] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.577131][ T2994] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.585119][ T2994] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.613907][ T8545] device veth1_vlan entered promiscuous mode [ 70.626030][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.635123][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.645325][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.654148][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.662532][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.671559][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.680192][ T2983] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.687246][ T2983] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.694876][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.703743][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.712192][ T2983] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.719265][ T2983] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.726758][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.735518][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.745389][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.760983][ T8549] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.776391][ T8549] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.803335][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.819210][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.827673][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.837500][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.847147][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.856221][ T2983] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.872237][ T8551] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.884923][ T8551] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.904896][ T8553] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.925500][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.953859][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.973989][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.983168][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.998911][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.052219][ T8556] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.076248][ T8556] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.156477][ T8556] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.178079][ T8556] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.259561][ T8556] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 175.948001][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.954873][ C1] rcu: 1-...!: (10499 ticks this GP) idle=90e/1/0x4000000000000002 softirq=13724/13731 fqs=17 [ 175.965468][ C1] (t=10501 jiffies g=6913 q=559) [ 175.970485][ C1] rcu: rcu_preempt kthread starved for 10466 jiffies! g6913 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 175.982626][ C1] rcu: RCU grace-period kthread stack dump: [ 175.988510][ C1] rcu_preempt I29032 10 2 0x80004000 [ 175.994846][ C1] Call Trace: [ 175.998141][ C1] __schedule+0x9a0/0xcc0 [ 176.002471][ C1] schedule+0x181/0x210 [ 176.006618][ C1] schedule_timeout+0x14f/0x240 [ 176.011457][ C1] ? run_local_timers+0x120/0x120 [ 176.016499][ C1] rcu_gp_kthread+0xed8/0x1770 [ 176.021271][ C1] kthread+0x332/0x350 [ 176.025332][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 176.030433][ C1] ? kthread_blkcg+0xe0/0xe0 [ 176.035031][ C1] ret_from_fork+0x24/0x30 [ 176.039470][ C1] NMI backtrace for cpu 1 [ 176.043791][ C1] CPU: 1 PID: 8543 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 176.052368][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.062504][ C1] Call Trace: [ 176.065785][ C1] [ 176.068627][ C1] dump_stack+0x1fb/0x318 [ 176.072947][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.077793][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 176.084028][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 176.090084][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 176.096066][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 176.102213][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 176.107328][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 176.112517][ C1] ? trace_hardirqs_off+0x74/0x80 [ 176.117552][ C1] update_process_times+0x12d/0x180 [ 176.122746][ C1] tick_sched_timer+0x263/0x420 [ 176.127583][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.133144][ C1] __hrtimer_run_queues+0x403/0x840 [ 176.138347][ C1] hrtimer_interrupt+0x38c/0xda0 [ 176.143290][ C1] ? debug_smp_processor_id+0x9/0x20 [ 176.148572][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 176.154192][ C1] apic_timer_interrupt+0xf/0x20 [ 176.159119][ C1] [ 176.162061][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 176.168119][ C1] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 f4 ed 07 48 89 de e8 84 f4 3b 00 5b 5d c3 cc <48> 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 [ 176.188668][ C1] RSP: 0018:ffffc90001ea7b98 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 176.197065][ C1] RAX: 1ffff11011996841 RBX: ffffea00022a2d00 RCX: 0000000000000000 [ 176.205024][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00022a2d00 [ 176.212991][ C1] RBP: ffffc90001ea7bc0 R08: dffffc0000000000 R09: fffffbfff124248a [ 176.220950][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88808ccb42a0 [ 176.228908][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88809fc1f438 [ 176.236887][ C1] ? free_thread_stack+0x124/0x590 [ 176.242121][ C1] ? mod_memcg_page_state+0x16/0x190 [ 176.247777][ C1] free_thread_stack+0x168/0x590 [ 176.252855][ C1] put_task_stack+0xa3/0x130 [ 176.257730][ C1] finish_task_switch+0x3f1/0x550 [ 176.262894][ C1] __schedule+0x9a8/0xcc0 [ 176.267230][ C1] schedule+0x181/0x210 [ 176.272371][ C1] do_nanosleep+0x1d0/0x6c0 [ 176.277012][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 176.281959][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 176.287867][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 176.292975][ C1] do_syscall_64+0xf7/0x1c0 [ 176.297487][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.303416][ C1] RIP: 0033:0x4593f0 [ 176.307335][ C1] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 41 f5 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 176.326927][ C1] RSP: 002b:00007ffde18333a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 176.335331][ C1] RAX: ffffffffffffffda RBX: 0000000000011513 RCX: 00000000004593f0 [ 176.343292][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffde18333b0 [ 176.351262][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000001a1e940 [ 176.359243][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 176.367239][ C1] R13: 00007ffde1833400 R14: 0000000000011513 R15: 00007ffde1833410