[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.306416][ T25] audit: type=1800 audit(1575409407.797:25): pid=8184 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.346441][ T25] audit: type=1800 audit(1575409407.807:26): pid=8184 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.401286][ T25] audit: type=1800 audit(1575409407.807:27): pid=8184 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 '10.128.1.24' (ECDSA) to the list of known hosts. 2019/12/03 21:43:35 fuzzer started 2019/12/03 21:43:36 dialing manager at 10.128.0.26:42111 2019/12/03 21:43:36 syscalls: 2689 2019/12/03 21:43:36 code coverage: enabled 2019/12/03 21:43:36 comparison tracing: enabled 2019/12/03 21:43:36 extra coverage: extra coverage is not supported by the kernel 2019/12/03 21:43:36 setuid sandbox: enabled 2019/12/03 21:43:36 namespace sandbox: enabled 2019/12/03 21:43:36 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 21:43:36 fault injection: enabled 2019/12/03 21:43:36 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 21:43:36 net packet injection: enabled 2019/12/03 21:43:36 net device setup: enabled 2019/12/03 21:43:36 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 21:43:36 devlink PCI setup: PCI device 0000:00:10.0 is not available 21:43:38 executing program 0: syz_read_part_table(0x0, 0x1, &(0x7f0000000900)=[{&(0x7f0000000400)="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", 0x1ac, 0x54}]) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) 21:43:38 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000080)) r1 = syz_open_pts(r0, 0x0) ioctl$TIOCPKT(r0, 0x5420, &(0x7f0000000000)=0x40) ioctl$TCSETSF(r1, 0x5412, &(0x7f0000000040)={0x1a}) syzkaller login: [ 55.716073][ T8347] IPVS: ftp: loaded support on port[0] = 21 21:43:38 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) sendmsg(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000000)="5500000018007f5f00fe01b2a4a28093020600f2ffff7f01020b00000a0012000200280014000000190005407fffffff0022de1338d54400009b84136ef75afb83de4411001600c43ab8220000060cec4fab91d400", 0x55}], 0x1}, 0x0) r2 = socket(0x10, 0x80002, 0x0) sendmmsg$alg(r2, &(0x7f0000000140), 0x332, 0x0) [ 55.900023][ T8347] chnl_net:caif_netlink_parms(): no params data found [ 55.966201][ T8350] IPVS: ftp: loaded support on port[0] = 21 [ 56.064920][ T8347] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.078380][ T8347] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.086870][ T8347] device bridge_slave_0 entered promiscuous mode [ 56.113908][ T8352] IPVS: ftp: loaded support on port[0] = 21 [ 56.121743][ T8347] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.134746][ T8347] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.144151][ T8347] device bridge_slave_1 entered promiscuous mode [ 56.229228][ T8347] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.241829][ T8347] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 21:43:38 executing program 3: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x15, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x79, 0x11, 0x10}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f000062b000)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 56.364350][ T8350] chnl_net:caif_netlink_parms(): no params data found [ 56.377900][ T8347] team0: Port device team_slave_0 added [ 56.434353][ T8347] team0: Port device team_slave_1 added [ 56.469140][ T8357] IPVS: ftp: loaded support on port[0] = 21 21:43:39 executing program 4: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='cpuacct.stat\x00', 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) getsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, &(0x7f0000000580)=""/143, &(0x7f0000000340)=0xfee5) getpeername(0xffffffffffffffff, &(0x7f0000000240)=@pppoe={0x18, 0x0, {0x0, @remote}}, &(0x7f0000000140)=0x80) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000003c0)=@newlink={0x38, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x18, 0x12, @sit={{0x8, 0x1, 'sit\x00'}, {0xc, 0x2, [@tunl_policy=[@IFLA_IPTUN_LINK={0x8, 0x4001}]]}}}]}, 0x38}}, 0x0) ioctl$sock_SIOCADDRT(0xffffffffffffffff, 0x890b, &(0x7f00000004c0)={0x0, @tipc, @rc={0x1f, {0x0, 0x0, 0xff}}, @hci, 0xfd6, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)='syzkaller0\x00'}) setsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f0000000480)={0x0, @rand_addr, @local}, 0xc) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000740)={0x3, 0x2, 0xf000, 0x1000, &(0x7f0000000000/0x1000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x80000000000000, 0x0, 0x8, 0xfb]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$KVM_NMI(r2, 0xae9a) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000380)) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 56.549814][ T8347] device hsr_slave_0 entered promiscuous mode [ 56.586851][ T8347] device hsr_slave_1 entered promiscuous mode [ 56.651196][ T8352] chnl_net:caif_netlink_parms(): no params data found [ 56.749462][ T8350] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.766543][ T8350] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.775371][ T8350] device bridge_slave_0 entered promiscuous mode [ 56.823596][ T8350] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.846507][ T8350] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.854172][ T8350] device bridge_slave_1 entered promiscuous mode 21:43:39 executing program 5: r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") fsopen(0x0, 0x2) [ 56.894258][ T8352] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.919495][ T8352] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.928172][ T8352] device bridge_slave_0 entered promiscuous mode [ 56.973128][ T8352] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.981090][ T8352] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.990681][ T8352] device bridge_slave_1 entered promiscuous mode [ 57.028345][ T8359] IPVS: ftp: loaded support on port[0] = 21 [ 57.041097][ T8347] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.093486][ T8347] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.160248][ T8350] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.172809][ T8350] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.197327][ T8347] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.250966][ T8347] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.307647][ T8352] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.319805][ T8363] IPVS: ftp: loaded support on port[0] = 21 [ 57.325959][ T8352] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.339672][ T8357] chnl_net:caif_netlink_parms(): no params data found [ 57.351187][ T8350] team0: Port device team_slave_0 added [ 57.360043][ T8350] team0: Port device team_slave_1 added [ 57.403015][ T8352] team0: Port device team_slave_0 added [ 57.412450][ T8352] team0: Port device team_slave_1 added [ 57.478799][ T8350] device hsr_slave_0 entered promiscuous mode [ 57.526903][ T8350] device hsr_slave_1 entered promiscuous mode [ 57.576642][ T8350] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.592418][ T8357] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.599702][ T8357] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.608316][ T8357] device bridge_slave_0 entered promiscuous mode [ 57.638842][ T8357] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.645987][ T8357] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.654004][ T8357] device bridge_slave_1 entered promiscuous mode [ 57.709438][ T8352] device hsr_slave_0 entered promiscuous mode [ 57.746956][ T8352] device hsr_slave_1 entered promiscuous mode [ 57.816535][ T8352] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.874887][ T8357] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.886255][ T8357] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.933890][ T8350] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.988740][ T8352] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.031091][ T8357] team0: Port device team_slave_0 added [ 58.063405][ T8350] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.089555][ T8352] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.149705][ T8357] team0: Port device team_slave_1 added [ 58.192779][ T8350] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.268858][ T8352] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.329208][ T8352] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.381445][ T8350] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.489585][ T8357] device hsr_slave_0 entered promiscuous mode [ 58.528065][ T8357] device hsr_slave_1 entered promiscuous mode [ 58.566626][ T8357] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.589970][ T8363] chnl_net:caif_netlink_parms(): no params data found [ 58.600480][ T8359] chnl_net:caif_netlink_parms(): no params data found [ 58.682653][ T8359] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.691106][ T8359] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.699242][ T8359] device bridge_slave_0 entered promiscuous mode [ 58.731929][ T8363] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.740702][ T8363] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.748892][ T8363] device bridge_slave_0 entered promiscuous mode [ 58.756084][ T8357] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.818660][ T8359] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.825767][ T8359] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.833845][ T8359] device bridge_slave_1 entered promiscuous mode [ 58.858481][ T8363] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.865583][ T8363] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.875010][ T8363] device bridge_slave_1 entered promiscuous mode [ 58.882869][ T8357] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.952907][ T8357] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.010093][ T8359] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.022096][ T8359] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.049237][ T8363] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.061743][ T8363] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.071292][ T8357] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.125892][ T8347] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.154948][ T8359] team0: Port device team_slave_0 added [ 59.164629][ T8359] team0: Port device team_slave_1 added [ 59.187230][ T8352] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.195346][ T8363] team0: Port device team_slave_0 added [ 59.213399][ T8347] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.222819][ T8363] team0: Port device team_slave_1 added [ 59.235392][ T8352] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.245179][ T3096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.255303][ T3096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.263374][ T3096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.271776][ T3096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.348955][ T8363] device hsr_slave_0 entered promiscuous mode [ 59.396925][ T8363] device hsr_slave_1 entered promiscuous mode [ 59.456748][ T8363] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.519739][ T8359] device hsr_slave_0 entered promiscuous mode [ 59.546822][ T8359] device hsr_slave_1 entered promiscuous mode [ 59.616772][ T8359] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.642125][ T8350] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.658513][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.667471][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.676151][ T8353] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.683585][ T8353] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.691856][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.701301][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.709922][ T8353] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.717151][ T8353] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.724840][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.734763][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.743287][ T8353] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.750378][ T8353] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.758073][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.767401][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.775969][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.784450][ T8353] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.791592][ T8353] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.799542][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.808246][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.816989][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.825598][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.834547][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.842631][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.850763][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.873797][ T8350] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.887737][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.896313][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.916437][ T8363] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.965603][ T8352] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.977133][ T8352] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.992977][ T8363] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.059969][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.068860][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.077766][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.086110][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.095266][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.103966][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.112678][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.121492][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.130303][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.137416][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.144929][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.153635][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.161997][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.169250][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.177015][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.185524][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.216175][ T8350] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.231110][ T8350] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.249698][ T8363] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.278260][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.286030][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.297157][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.305683][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.315023][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.323713][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.332647][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.341144][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.349685][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.358236][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.366896][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.375235][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.383907][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.393420][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.401879][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.410156][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.418804][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.434275][ T8347] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.447251][ T8347] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.462229][ T8357] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.477583][ T8363] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 60.549832][ T8359] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.597854][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.605743][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.613670][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.621570][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.630254][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.646191][ T8352] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.663888][ T8357] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.672747][ T8359] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.708019][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.715547][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.723223][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.730744][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.738867][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.748137][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.764013][ T8347] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.778260][ T8350] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.803986][ T8359] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.833875][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.841571][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.853322][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.862541][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.871303][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.878395][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.886524][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.895356][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.904268][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.911599][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.919209][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.928244][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.937891][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.957322][ T8357] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.969406][ T8357] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.008492][ T8359] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.122872][ T8359] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.145678][ T8359] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.206022][ T8359] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.222272][ T8359] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.262053][ T8359] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 166.056333][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.063166][ C0] rcu: 0-...!: (10499 ticks this GP) idle=e52/1/0x4000000000000002 softirq=11883/11883 fqs=11 [ 166.073741][ C0] (t=10501 jiffies g=6733 q=580) [ 166.078758][ C0] rcu: rcu_preempt kthread starved for 10480 jiffies! g6733 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 166.089868][ C0] rcu: RCU grace-period kthread stack dump: [ 166.095874][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.103793][ C0] Call Trace: [ 166.107100][ C0] __schedule+0x9a0/0xcc0 [ 166.111431][ C0] schedule+0x181/0x210 [ 166.115590][ C0] schedule_timeout+0x14f/0x240 [ 166.120433][ C0] ? run_local_timers+0x120/0x120 [ 166.125450][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.130214][ C0] kthread+0x332/0x350 [ 166.134264][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.139363][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.143940][ C0] ret_from_fork+0x24/0x30 [ 166.148359][ C0] NMI backtrace for cpu 0 [ 166.152680][ C0] CPU: 0 PID: 8369 Comm: syz-executor.2 Not tainted 5.4.0-syzkaller #0 [ 166.160896][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.170934][ C0] Call Trace: [ 166.174203][ C0] [ 166.177054][ C0] dump_stack+0x1fb/0x318 [ 166.181374][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.186220][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.192363][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.198420][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.204392][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.210274][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.215380][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.220571][ C0] ? trace_hardirqs_off+0x74/0x80 [ 166.225596][ C0] update_process_times+0x12d/0x180 [ 166.230786][ C0] tick_sched_timer+0x263/0x420 [ 166.235632][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.241167][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.246366][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.251308][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.256586][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.262135][ C0] apic_timer_interrupt+0xf/0x20 [ 166.267053][ C0] [ 166.269986][ C0] RIP: 0010:free_thread_stack+0x18b/0x590 [ 166.275694][ C0] Code: ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 09 a4 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 eb a3 69 00 48 8b 1b e9 82 ff ff ff e8 de 2c 2e [ 166.295286][ C0] RSP: 0018:ffffc900022f7e40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.303690][ C0] RAX: 1ffff11012e12f41 RBX: ffff888097097a08 RCX: ffff8880a7c40440 [ 166.311647][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002928540 [ 166.319604][ C0] RBP: ffffc900022f7e78 R08: 000000000003a768 R09: ffffed1013cc8aaf [ 166.327565][ C0] R10: ffffed1013cc8aaf R11: 0000000000000000 R12: ffff888097097aa0 [ 166.335549][ C0] R13: dffffc0000000000 R14: 1ffff11012e12f54 R15: ffff88809e645568 [ 166.343557][ C0] put_task_stack+0xa3/0x130 [ 166.348168][ C0] finish_task_switch+0x3f1/0x550 [ 166.353217][ C0] schedule_tail+0x20/0x1a0 [ 166.357728][ C0] ret_from_fork+0x8/0x30 [ 166.362049][ C0] RIP: 0033:0x458c4a [ 166.365944][ C0] Code: Bad RIP value. [ 166.369995][ C0] RSP: 002b:00007ffd0ff0c020 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 166.378396][ C0] RAX: 0000000000000000 RBX: 00007ffd0ff0c020 RCX: 0000000000458c4a [ 166.386355][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 166.394312][ C0] RBP: 00007ffd0ff0c060 R08: 0000000000000001 R09: 0000000002457940 [ 166.402275][ C0] R10: 0000000002457c10 R11: 0000000000000246 R12: 0000000000000001 [ 166.410239][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffd0ff0c0b0