[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 50.513151][ T26] audit: type=1800 audit(1578466735.323:25): pid=8332 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 50.533091][ T26] audit: type=1800 audit(1578466735.323:26): pid=8332 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 50.580928][ T26] audit: type=1800 audit(1578466735.323:27): pid=8332 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 '10.128.0.232' (ECDSA) to the list of known hosts. 2020/01/08 06:59:07 fuzzer started 2020/01/08 06:59:09 dialing manager at 10.128.0.26:35703 2020/01/08 06:59:09 syscalls: 2824 2020/01/08 06:59:09 code coverage: enabled 2020/01/08 06:59:09 comparison tracing: enabled 2020/01/08 06:59:09 extra coverage: enabled 2020/01/08 06:59:09 setuid sandbox: enabled 2020/01/08 06:59:09 namespace sandbox: enabled 2020/01/08 06:59:09 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:59:09 fault injection: enabled 2020/01/08 06:59:09 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:59:09 net packet injection: enabled 2020/01/08 06:59:09 net device setup: enabled 2020/01/08 06:59:09 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:59:09 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:59:10 executing program 0: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup3(r1, r0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x1, 0x7e, 0x1, 0x3}, 0x2c) bpf$MAP_CREATE(0x0, &(0x7f0000214fd4)={0xc, 0x4, 0x4, 0x234, 0x0, r3, 0x0, [0x305f, 0x2e, 0x32e, 0x182e, 0x600005f, 0x80ffff, 0x80ffff, 0x2e, 0x80ffff]}, 0x2c) 06:59:10 executing program 1: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2c00000000010507ff10c0d46dffff0e631608100c000100400500007d0a00010c0012000e1322ff09a70000"], 0x2c}}, 0x0) syzkaller login: [ 65.510482][ T8499] IPVS: ftp: loaded support on port[0] = 21 [ 65.659096][ T8499] chnl_net:caif_netlink_parms(): no params data found 06:59:10 executing program 2: socket$netlink(0x10, 0x3, 0x0) unshare(0x0) perf_event_open(&(0x7f00000000c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pwritev(0xffffffffffffffff, &(0x7f0000000740)=[{&(0x7f00000001c0)}], 0x1, 0x0) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) r1 = creat(0x0, 0x0) mq_notify(0xffffffffffffffff, 0x0) mq_notify(r1, 0x0) ioctl$KVM_SET_CPUID2(r1, 0x4008ae90, 0x0) ioctl$sock_ifreq(r0, 0x8991, &(0x7f00000000c0)={'\x00', @ifru_names='bond_slave_1\x00'}) mq_notify(0xffffffffffffffff, 0x0) ioctl$TUNGETVNETHDRSZ(0xffffffffffffffff, 0x800454d7, 0x0) ioctl$sock_ifreq(r0, 0x8990, &(0x7f0000000240)={'\x00', @ifru_names}) [ 65.732787][ T8499] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.751948][ T8499] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.761405][ T8499] device bridge_slave_0 entered promiscuous mode [ 65.778825][ T8502] IPVS: ftp: loaded support on port[0] = 21 [ 65.787138][ T8499] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.801930][ T8499] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.833710][ T8499] device bridge_slave_1 entered promiscuous mode [ 65.902786][ T8499] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 06:59:10 executing program 3: rseq(&(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x0, 0x0, 0xa30000, 0xa30000}, 0xfffffffffffffffd}, 0x20, 0x0, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe5000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) [ 65.944788][ T8499] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.000893][ T8499] team0: Port device team_slave_0 added [ 66.014736][ T8499] team0: Port device team_slave_1 added [ 66.081322][ T8505] IPVS: ftp: loaded support on port[0] = 21 [ 66.106139][ T8502] chnl_net:caif_netlink_parms(): no params data found 06:59:11 executing program 4: r0 = open(&(0x7f0000000040)='./file0\x00', 0x200c2, 0x0) r1 = creat(&(0x7f0000000080)='./file0\x00', 0x0) syz_open_dev$sndpcmc(&(0x7f0000000180)='/dev/snd/pcmC#D#c\x00', 0x0, 0x0) r2 = fanotify_init(0x0, 0x0) fanotify_mark(r2, 0x105, 0x101b, r1, 0x0) write$binfmt_elf64(r0, &(0x7f0000000340)=ANY=[@ANYBLOB="ed8ed24112ccba9ecbaea5e8dd24f24b3ac273c81c2b7c8c5b06d007e4c0072fab72c7d711beb15f4313966fe3a4fa21e76fc4d05e107ac82d5e075205917f03000000030b6daa6e72ad000000610000000000000001a25a382ed7fbcbbc4e5508505d08b26f5521b1ac0543978e05"], 0x6f) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r0, &(0x7f00000001c0), 0xa198) [ 66.225560][ T8499] device hsr_slave_0 entered promiscuous mode [ 66.274068][ T8499] device hsr_slave_1 entered promiscuous mode [ 66.372508][ T8507] IPVS: ftp: loaded support on port[0] = 21 06:59:11 executing program 5: perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000040)={0x0, 0x6}}, 0x0) r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(0xffffffffffffffff, &(0x7f00000001c0)={0x40000000, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=ANY=[@ANYBLOB="02020609100000000000004c9e0000000200130002000000000000000000000105000600200000000a00000000000000000500e50008070000001f00000000000009200000000000020001000000000000000002000098a805000500000000000a00000000000000ff1700a51409ac4cb3cbcf00000000000000000000000017"], 0x80}}, 0x0) sendmmsg(r0, &(0x7f0000000180), 0x40000000000002b, 0x0) [ 66.488431][ T8502] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.501157][ T8509] IPVS: ftp: loaded support on port[0] = 21 [ 66.513113][ T8502] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.520803][ T8502] device bridge_slave_0 entered promiscuous mode [ 66.561391][ T8502] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.569807][ T8502] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.580117][ T8502] device bridge_slave_1 entered promiscuous mode [ 66.649376][ T8502] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.660578][ T8499] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.735870][ T8502] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.748568][ T8499] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.806740][ T8499] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.865666][ T8499] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.924122][ T8505] chnl_net:caif_netlink_parms(): no params data found [ 66.941324][ T8511] IPVS: ftp: loaded support on port[0] = 21 [ 66.960133][ T8502] team0: Port device team_slave_0 added [ 67.006203][ T8502] team0: Port device team_slave_1 added [ 67.051511][ T8505] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.058768][ T8505] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.066387][ T8505] device bridge_slave_0 entered promiscuous mode [ 67.075146][ T8509] chnl_net:caif_netlink_parms(): no params data found [ 67.095419][ T8507] chnl_net:caif_netlink_parms(): no params data found [ 67.115151][ T8505] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.122225][ T8505] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.132431][ T8505] device bridge_slave_1 entered promiscuous mode [ 67.165488][ T8505] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.235719][ T8502] device hsr_slave_0 entered promiscuous mode [ 67.273235][ T8502] device hsr_slave_1 entered promiscuous mode [ 67.342922][ T8502] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.350633][ T8502] Cannot create hsr debugfs directory [ 67.368990][ T8505] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.412111][ T8509] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.419560][ T8509] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.429553][ T8509] device bridge_slave_0 entered promiscuous mode [ 67.437055][ T8507] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.445294][ T8507] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.452955][ T8507] device bridge_slave_0 entered promiscuous mode [ 67.470665][ T8505] team0: Port device team_slave_0 added [ 67.484823][ T8509] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.492159][ T8509] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.499852][ T8509] device bridge_slave_1 entered promiscuous mode [ 67.506976][ T8507] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.515928][ T8507] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.523881][ T8507] device bridge_slave_1 entered promiscuous mode [ 67.543693][ T8505] team0: Port device team_slave_1 added [ 67.579310][ T8509] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.629304][ T8509] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.641097][ T8507] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.653059][ T8507] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.746044][ T8505] device hsr_slave_0 entered promiscuous mode [ 67.805567][ T8505] device hsr_slave_1 entered promiscuous mode [ 67.843075][ T8505] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.850699][ T8505] Cannot create hsr debugfs directory [ 67.870302][ T8511] chnl_net:caif_netlink_parms(): no params data found [ 67.879246][ T8502] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.926671][ T8502] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.979989][ T8502] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.028342][ T8502] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.085730][ T8507] team0: Port device team_slave_0 added [ 68.106572][ T8509] team0: Port device team_slave_0 added [ 68.121874][ T8507] team0: Port device team_slave_1 added [ 68.146520][ T8509] team0: Port device team_slave_1 added [ 68.161826][ T8499] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.225692][ T8507] device hsr_slave_0 entered promiscuous mode [ 68.263251][ T8507] device hsr_slave_1 entered promiscuous mode [ 68.302912][ T8507] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.310581][ T8507] Cannot create hsr debugfs directory [ 68.344652][ T8511] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.351733][ T8511] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.360491][ T8511] device bridge_slave_0 entered promiscuous mode [ 68.434761][ T8509] device hsr_slave_0 entered promiscuous mode [ 68.483312][ T8509] device hsr_slave_1 entered promiscuous mode [ 68.523006][ T8509] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.530622][ T8509] Cannot create hsr debugfs directory [ 68.544514][ T8511] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.551702][ T8511] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.559862][ T8511] device bridge_slave_1 entered promiscuous mode [ 68.576245][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.584690][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.594597][ T8499] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.627537][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.637002][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.645654][ T2911] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.652800][ T2911] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.661178][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.675804][ T8511] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.687532][ T8511] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.724971][ T8505] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.800551][ T8505] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.855264][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.863931][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.872501][ T3189] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.879591][ T3189] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.887341][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.927343][ T8505] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.975925][ T8505] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.036031][ T8507] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.106341][ T8511] team0: Port device team_slave_0 added [ 69.112282][ T8507] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.155086][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.185951][ T8511] team0: Port device team_slave_1 added [ 69.193170][ T8507] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.257878][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.266944][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.276398][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.300367][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.309951][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.319271][ T8507] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.390621][ T8499] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.401448][ T8499] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.414772][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.425053][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.436552][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.445271][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.455858][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.469318][ T8509] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.585718][ T8511] device hsr_slave_0 entered promiscuous mode [ 69.643701][ T8511] device hsr_slave_1 entered promiscuous mode [ 69.683086][ T8511] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.690672][ T8511] Cannot create hsr debugfs directory [ 69.706779][ T8502] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.721029][ T8509] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.757167][ T8509] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.814873][ T8509] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.867285][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.875377][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.886543][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.894458][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.912770][ T8499] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.925763][ T8502] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.964353][ T8505] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.991018][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.000037][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.008724][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.017425][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.026528][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.035283][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.043766][ T2909] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.050843][ T2909] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.062245][ T8505] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.094761][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.106908][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.116385][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.125335][ T2934] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.132382][ T2934] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.140054][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.175798][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.190891][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.200011][ T3189] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.207141][ T3189] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.216247][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.225178][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.233917][ T3189] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.240956][ T3189] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.248691][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.257471][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.266307][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.274642][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.282781][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.291457][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.299900][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.308735][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.317461][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.325503][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.333294][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.340868][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.353462][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.362715][ T8499] device veth0_vlan entered promiscuous mode [ 70.378444][ T8511] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.445936][ T8507] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.452750][ T8511] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.526379][ T8511] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.564829][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.573461][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.581580][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.590767][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.599221][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.607859][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.616423][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.624818][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.633241][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.645264][ T8499] device veth1_vlan entered promiscuous mode [ 70.666933][ T8511] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.719789][ T8502] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.731162][ T8502] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.742520][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.750937][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.759299][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.767562][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.776384][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.784827][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.794759][ T8505] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.816042][ T8507] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.828021][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.871778][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.882069][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.908039][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.916357][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.924640][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.934328][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.942774][ T2934] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.949894][ T2934] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.967785][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.981399][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.991422][ T2934] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.998520][ T2934] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.019012][ T8509] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.046036][ T8505] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.132518][ T8511] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.161389][ T8511] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.214466][ T8511] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.230738][ T8511] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.269387][ T8511] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 176.022862][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.029730][ C0] rcu: 0-...!: (1 GPs behind) idle=fd6/1/0x4000000000000002 softirq=14065/14068 fqs=10 [ 176.039692][ C0] (t=10500 jiffies g=6817 q=650) [ 176.044741][ C0] rcu: rcu_preempt kthread starved for 10474 jiffies! g6817 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 176.055843][ C0] rcu: RCU grace-period kthread stack dump: [ 176.061753][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 176.069670][ C0] Call Trace: [ 176.072963][ C0] __schedule+0x9a0/0xcc0 [ 176.077314][ C0] schedule+0x181/0x210 [ 176.081480][ C0] schedule_timeout+0x14f/0x240 [ 176.086324][ C0] ? run_local_timers+0x120/0x120 [ 176.091363][ C0] rcu_gp_kthread+0xed8/0x1770 [ 176.096140][ C0] kthread+0x332/0x350 [ 176.100198][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 176.105295][ C0] ? kthread_blkcg+0xe0/0xe0 [ 176.109875][ C0] ret_from_fork+0x24/0x30 [ 176.114306][ C0] NMI backtrace for cpu 0 [ 176.118646][ C0] CPU: 0 PID: 8518 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 176.127214][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.137264][ C0] Call Trace: [ 176.140666][ C0] [ 176.143693][ C0] dump_stack+0x1fb/0x318 [ 176.148032][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.152892][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 176.159081][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 176.165236][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 176.171229][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 176.177114][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 176.182235][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 176.187445][ C0] ? trace_hardirqs_off+0x74/0x80 [ 176.192460][ C0] update_process_times+0x12d/0x180 [ 176.197650][ C0] tick_sched_timer+0x263/0x420 [ 176.202492][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.208026][ C0] __hrtimer_run_queues+0x403/0x840 [ 176.213242][ C0] hrtimer_interrupt+0x38c/0xda0 [ 176.218209][ C0] ? debug_smp_processor_id+0x9/0x20 [ 176.223503][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 176.229053][ C0] apic_timer_interrupt+0xf/0x20 [ 176.233994][ C0] [ 176.236927][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 [ 176.243070][ C0] Code: 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 00 01 1f 00 75 2c <8b> 91 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 [ 176.262702][ C0] RSP: 0018:ffffc90002487e08 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 176.271114][ C0] RAX: ffffffff814897d3 RBX: 0000000000000000 RCX: ffff88809e624040 [ 176.279082][ C0] RDX: 0000000000000001 RSI: 00000000fffffffc RDI: ffffea00025e6580 [ 176.287145][ C0] RBP: ffffc90002487e30 R08: 000000000003a728 R09: ffffed10116836c1 [ 176.295121][ C0] R10: ffffed10116836c1 R11: 0000000000000000 R12: dffffc0000000000 [ 176.303085][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88808b41b5f8 [ 176.311071][ C0] ? mod_memcg_page_state+0x123/0x190 [ 176.316437][ C0] ? free_thread_stack+0x124/0x590 [ 176.321538][ C0] ? mod_memcg_page_state+0x123/0x190 [ 176.326901][ C0] free_thread_stack+0x168/0x590 [ 176.331831][ C0] put_task_stack+0xa3/0x130 [ 176.336441][ C0] finish_task_switch+0x3f1/0x550 [ 176.341466][ C0] schedule_tail+0x20/0x1a0 [ 176.345961][ C0] ret_from_fork+0x8/0x30 [ 176.350277][ C0] RIP: 0033:0x45d919 [ 176.354175][ C0] Code: ff 48 85 f6 0f 84 d7 8c fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c ae 8c fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 [ 176.373869][ C0] RSP: 002b:00007ff9007f8db0 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 176.382284][ C0] RAX: 0000000000000000 RBX: 00007ff9007f9700 RCX: 000000000045d919 [ 176.390256][ C0] RDX: 00007ff9007f99d0 RSI: 00007ff9007f8db0 RDI: 00000000003d0f00 [ 176.398219][ C0] RBP: 00007fff0335d250 R08: 00007ff9007f9700 R09: 00007ff9007f9700 [ 176.406194][ C0] R10: 00007ff9007f99d0 R11: 0000000000000202 R12: 0000000000000000 [ 176.414156][ C0] R13: 00007fff0335d0ef R14: 00007ff9007f99c0 R15: 000000000075bf2c