[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 43.269682][ T27] audit: type=1800 audit(1575320257.106:25): pid=8062 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.295509][ T27] audit: type=1800 audit(1575320257.106:26): pid=8062 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.322653][ T27] audit: type=1800 audit(1575320257.106:27): pid=8062 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 '10.128.1.20' (ECDSA) to the list of known hosts. 2019/12/02 20:57:48 fuzzer started 2019/12/02 20:57:50 dialing manager at 10.128.0.26:38907 2019/12/02 20:57:50 syscalls: 2697 2019/12/02 20:57:50 code coverage: enabled 2019/12/02 20:57:50 comparison tracing: enabled 2019/12/02 20:57:50 extra coverage: extra coverage is not supported by the kernel 2019/12/02 20:57:50 setuid sandbox: enabled 2019/12/02 20:57:50 namespace sandbox: enabled 2019/12/02 20:57:50 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/02 20:57:50 fault injection: enabled 2019/12/02 20:57:50 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/02 20:57:50 net packet injection: enabled 2019/12/02 20:57:50 net device setup: enabled 2019/12/02 20:57:50 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/02 20:57:50 devlink PCI setup: PCI device 0000:00:10.0 is not available 20:57:51 executing program 0: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x10209, 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}, 0x11044, 0x0, 0x2, 0xa, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x1) io_submit(0x0, 0x0, 0x0) setfsgid(0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000004700)={&(0x7f0000000080)=ANY=[@ANYBLOB="9feb0100180000000000000030000000300000000700000000000000000000040000000000000000000000020100000000000000010000040000000200000000020000000000000200300000612e00"], &(0x7f0000004600)=""/210, 0x4f, 0x193, 0x1}, 0x20) ioctl$BLKROTATIONAL(0xffffffffffffffff, 0x127e, &(0x7f0000000080)) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) time(0x0) ioctl$TIOCGSOFTCAR(0xffffffffffffffff, 0x5419, &(0x7f0000000100)) 20:57:51 executing program 1: perf_event_open(&(0x7f0000000080)={0x2, 0x70, 0x5aeb, 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, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x2, 0x2, 0x0) getsockopt$sock_linger(r0, 0x1, 0xd, 0x0, &(0x7f00000001c0)) syzkaller login: [ 57.860369][ T8225] IPVS: ftp: loaded support on port[0] = 21 20:57:51 executing program 2: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x1, 0x4, &(0x7f0000000100)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x55, 0x0, 0x1b0001}, [@ldst={0xffffffbd, 0x2, 0x4f04}]}, &(0x7f0000003ff6)='syzkaller\x00', 0x5, 0x481, &(0x7f00000001c0)=""/195}, 0x48) [ 58.019502][ T8228] IPVS: ftp: loaded support on port[0] = 21 [ 58.043864][ T8225] chnl_net:caif_netlink_parms(): no params data found [ 58.162405][ T8225] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.170215][ T8225] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.179502][ T8225] device bridge_slave_0 entered promiscuous mode [ 58.205953][ T8230] IPVS: ftp: loaded support on port[0] = 21 [ 58.214078][ T8225] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.221225][ T8225] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.242239][ T8225] device bridge_slave_1 entered promiscuous mode 20:57:52 executing program 3: r0 = syz_open_dev$sndctrl(&(0x7f00000000c0)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_ADD(r0, 0xc1105517, &(0x7f00000000c0)={{0x0, 0x0, 0x0, 0x0, 'syz0\x00'}, 0x3, 0x0, 0x9, 0x0, 0x2, 0x0, 'syz0\x00', &(0x7f0000000000)=['/dev/snd/controlC#\x00', '\x00'], 0x14}) [ 58.315361][ T8225] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.337067][ T8228] chnl_net:caif_netlink_parms(): no params data found [ 58.349885][ T8225] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.433921][ T8225] team0: Port device team_slave_0 added [ 58.505656][ T8225] team0: Port device team_slave_1 added [ 58.512121][ T8228] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.519179][ T8228] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.544381][ T8228] device bridge_slave_0 entered promiscuous mode 20:57:52 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4141, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xe, 0xe, &(0x7f0000000380)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0x171}, 0x48) [ 58.586453][ T8228] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.611428][ T8228] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.621664][ T8228] device bridge_slave_1 entered promiscuous mode [ 58.659200][ T8228] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.724244][ T8225] device hsr_slave_0 entered promiscuous mode [ 58.762364][ T8225] device hsr_slave_1 entered promiscuous mode 20:57:52 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_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x0, 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) bind$unix(0xffffffffffffffff, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x4f2080, 0x0) r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000380)) fcntl$getown(0xffffffffffffffff, 0x9) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f00000000c0), 0xc) ioctl$EXT4_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000001c0)) fallocate(0xffffffffffffffff, 0x3, 0x0, 0x8020003) writev(0xffffffffffffffff, 0x0, 0x0) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) lseek(r1, 0x800002, 0x0) write$binfmt_elf64(r1, &(0x7f0000000180)=ANY=[@ANYBLOB="00e696"], 0x3) fallocate(r1, 0x3, 0x0, 0x8020003) r2 = syz_init_net_socket$netrom(0x6, 0x5, 0x0) dup2(0xffffffffffffffff, r2) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f0000000000)={0x1, [0x0]}, &(0x7f0000000100)=0x8) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(0xffffffffffffffff, 0x84, 0x75, &(0x7f0000000240)={r3, 0x100}, 0x8) writev(0xffffffffffffffff, &(0x7f0000000500)=[{0x0}], 0x1) [ 58.815756][ T8228] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.831797][ T8230] chnl_net:caif_netlink_parms(): no params data found [ 58.846828][ T8236] IPVS: ftp: loaded support on port[0] = 21 [ 58.847562][ T8237] IPVS: ftp: loaded support on port[0] = 21 [ 58.898342][ T8228] team0: Port device team_slave_0 added [ 58.907053][ T8228] team0: Port device team_slave_1 added [ 59.017440][ T8225] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.073659][ T8230] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.080746][ T8230] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.089926][ T8230] device bridge_slave_0 entered promiscuous mode [ 59.099823][ T8230] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.107669][ T8230] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.116336][ T8230] device bridge_slave_1 entered promiscuous mode [ 59.163256][ T8228] device hsr_slave_0 entered promiscuous mode [ 59.221829][ T8228] device hsr_slave_1 entered promiscuous mode [ 59.281616][ T8228] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.292458][ T8225] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.359302][ T8239] IPVS: ftp: loaded support on port[0] = 21 [ 59.371727][ T8225] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.414866][ T8225] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.465169][ T8230] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.477881][ T8230] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.510290][ T8230] team0: Port device team_slave_0 added [ 59.519924][ T8230] team0: Port device team_slave_1 added [ 59.645202][ T8230] device hsr_slave_0 entered promiscuous mode [ 59.691798][ T8230] device hsr_slave_1 entered promiscuous mode [ 59.731511][ T8230] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.756047][ T8237] chnl_net:caif_netlink_parms(): no params data found [ 59.764557][ T8228] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.834971][ T8228] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.904174][ T8228] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.944694][ T8228] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.023431][ T8237] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.030576][ T8237] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.039092][ T8237] device bridge_slave_0 entered promiscuous mode [ 60.049764][ T8237] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.057141][ T8237] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.065203][ T8237] device bridge_slave_1 entered promiscuous mode [ 60.084697][ T8236] chnl_net:caif_netlink_parms(): no params data found [ 60.108501][ T8237] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.124029][ T8237] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.178467][ T8237] team0: Port device team_slave_0 added [ 60.187203][ T8237] team0: Port device team_slave_1 added [ 60.207286][ T8230] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.244666][ T8230] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.307426][ T8230] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.363193][ T8230] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.430238][ T8239] chnl_net:caif_netlink_parms(): no params data found [ 60.439834][ T8236] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.449334][ T8236] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.457496][ T8236] device bridge_slave_0 entered promiscuous mode [ 60.466624][ T8236] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.473908][ T8236] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.482012][ T8236] device bridge_slave_1 entered promiscuous mode [ 60.585197][ T8237] device hsr_slave_0 entered promiscuous mode [ 60.632324][ T8237] device hsr_slave_1 entered promiscuous mode [ 60.701558][ T8237] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.717101][ T8236] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.732275][ T8239] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.739454][ T8239] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.749751][ T8239] device bridge_slave_0 entered promiscuous mode [ 60.758037][ T8239] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.765273][ T8239] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.773838][ T8239] device bridge_slave_1 entered promiscuous mode [ 60.792226][ T8239] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.804248][ T8239] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.823487][ T8236] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.879528][ T8228] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.896092][ T8239] team0: Port device team_slave_0 added [ 60.905464][ T8225] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.915879][ T8237] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.959695][ T8239] team0: Port device team_slave_1 added [ 60.972918][ T8236] team0: Port device team_slave_0 added [ 60.980040][ T8225] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.990464][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.000059][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.007973][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.016720][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.025670][ T8237] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.085390][ T8228] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.094251][ T8236] team0: Port device team_slave_1 added [ 61.106088][ T8237] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.174384][ T8237] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.294158][ T8239] device hsr_slave_0 entered promiscuous mode [ 61.332135][ T8239] device hsr_slave_1 entered promiscuous mode [ 61.371485][ T8239] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.380804][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.389369][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.397906][ T8234] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.405183][ T8234] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.431827][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.441113][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.450778][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.459223][ T8234] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.466298][ T8234] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.474819][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.484438][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.494650][ T8234] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.501897][ T8234] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.509425][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.518445][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.526950][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.535633][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.544049][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.552843][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.561605][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.569961][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.580902][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.588875][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.654795][ T8236] device hsr_slave_0 entered promiscuous mode [ 61.692098][ T8236] device hsr_slave_1 entered promiscuous mode [ 61.731532][ T8236] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.742389][ T8225] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.764942][ T8230] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.774223][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.782651][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.790731][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.799651][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.808429][ T8245] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.815560][ T8245] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.858521][ T8239] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.901143][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.910304][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.919283][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.931624][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.939895][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.948435][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.956877][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.964725][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.979941][ T8228] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.991100][ T8228] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.005865][ T8239] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.035639][ T8239] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.094010][ T8239] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.135357][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.143446][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.151890][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.160788][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.169487][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.178023][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.185827][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.193598][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.217898][ T8225] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.234647][ T8230] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.260088][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.269448][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.285719][ T8228] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.302329][ T8236] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.366185][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.376493][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.385333][ T8234] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.392444][ T8234] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.400200][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.409351][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.418415][ T8234] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.425499][ T8234] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.433152][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.441964][ T8236] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.487138][ T8236] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.544285][ T8236] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.592271][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.601819][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.667821][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.677727][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.705176][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.714240][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.723047][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.731516][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.739782][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.748486][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.758579][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.780996][ C0] hrtimer: interrupt took 46379 ns [ 167.681329][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.688453][ C1] rcu: 1-...!: (10499 ticks this GP) idle=b8a/1/0x4000000000000002 softirq=11330/11330 fqs=5 [ 167.698940][ C1] (t=10501 jiffies g=6541 q=162) [ 167.703963][ C1] rcu: rcu_preempt kthread starved for 10492 jiffies! g6541 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 167.715202][ C1] rcu: RCU grace-period kthread stack dump: [ 167.721092][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 167.729093][ C1] Call Trace: [ 167.732389][ C1] __schedule+0x9a0/0xcc0 [ 167.736806][ C1] schedule+0x181/0x210 [ 167.740959][ C1] schedule_timeout+0x14f/0x240 [ 167.745802][ C1] ? run_local_timers+0x120/0x120 [ 167.750842][ C1] rcu_gp_kthread+0xed8/0x1770 [ 167.755604][ C1] kthread+0x332/0x350 [ 167.759658][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 167.764753][ C1] ? kthread_blkcg+0xe0/0xe0 [ 167.769338][ C1] ret_from_fork+0x24/0x30 [ 167.773752][ C1] NMI backtrace for cpu 1 [ 167.778068][ C1] CPU: 1 PID: 8251 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 167.785506][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.795547][ C1] Call Trace: [ 167.798820][ C1] [ 167.801746][ C1] dump_stack+0x1fb/0x318 [ 167.806412][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.811245][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.817401][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.823480][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.829466][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.835404][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.840518][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.845717][ C1] ? trace_hardirqs_off+0x74/0x80 [ 167.850871][ C1] update_process_times+0x12d/0x180 [ 167.856160][ C1] tick_sched_timer+0x263/0x420 [ 167.861011][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.866563][ C1] __hrtimer_run_queues+0x403/0x840 [ 167.872025][ C1] hrtimer_interrupt+0x38c/0xda0 [ 167.876967][ C1] ? debug_smp_processor_id+0x9/0x20 [ 167.882253][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 167.887785][ C1] apic_timer_interrupt+0xf/0x20 [ 167.892878][ C1] [ 167.895808][ C1] RIP: 0010:__memcg_kmem_uncharge+0x219/0x2e0 [ 167.902023][ C1] Code: 4b 0d 89 e8 59 97 00 00 bf 01 00 00 00 e8 2f e3 9b ff 65 8b 05 d4 fd 4a 7e 85 c0 74 53 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f <5d> c3 49 8d 5f 10 48 89 df be 08 00 00 00 e8 04 c1 fa ff 48 8b 45 [ 167.921928][ C1] RSP: 0000:ffffc90001f77e30 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 167.930346][ C1] RAX: 0000000000000001 RBX: ffffea00028d1ac0 RCX: 0000000000000000 [ 167.938319][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00028d1ac0 [ 167.946365][ C1] RBP: ffffc90001f77e30 R08: 000000000003a768 R09: ffffed10128f7af7 [ 167.954321][ C1] R10: ffffed10128f7af7 R11: 0000000000000000 R12: ffff88808d196620 [ 167.962362][ C1] R13: dffffc0000000000 R14: 1ffff11011a32cc4 R15: ffff8880947bd7a8 [ 167.970344][ C1] free_thread_stack+0x12e/0x590 [ 167.975271][ C1] put_task_stack+0xa3/0x130 [ 167.979852][ C1] finish_task_switch+0x3f1/0x550 [ 167.984869][ C1] schedule_tail+0x20/0x1a0 [ 167.989368][ C1] ret_from_fork+0x8/0x30 [ 167.994041][ C1] RIP: 0033:0x7f95d9ebdf46 [ 167.998459][ C1] Code: Bad RIP value. [ 168.002507][ C1] RSP: 002b:00007ffd9f559530 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 168.012029][ C1] RAX: 0000000000000000 RBX: 00007ffd9f559530 RCX: 00007f95d9ebdf46 [ 168.019984][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 168.027940][ C1] RBP: 00007ffd9f559590 R08: 0000000000001ee4 R09: 0000000000001ee4 [ 168.035893][ C1] R10: 00007f95da7daa70 R11: 0000000000000246 R12: 0000000000000000 [ 168.043949][ C1] R13: 00007ffd9f559550 R14: 0000000000000005 R15: 0000000000000005