[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 57.045618][ T27] audit: type=1800 audit(1578484460.203:25): pid=8547 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 57.064948][ T27] audit: type=1800 audit(1578484460.203:26): pid=8547 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 57.084617][ T27] audit: type=1800 audit(1578484460.203:27): pid=8547 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 '10.128.0.213' (ECDSA) to the list of known hosts. 2020/01/08 11:54:29 fuzzer started 2020/01/08 11:54:31 dialing manager at 10.128.0.26:35703 2020/01/08 11:54:31 syscalls: 2824 2020/01/08 11:54:31 code coverage: enabled 2020/01/08 11:54:31 comparison tracing: enabled 2020/01/08 11:54:31 extra coverage: enabled 2020/01/08 11:54:31 setuid sandbox: enabled 2020/01/08 11:54:31 namespace sandbox: enabled 2020/01/08 11:54:31 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 11:54:31 fault injection: enabled 2020/01/08 11:54:31 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 11:54:31 net packet injection: enabled 2020/01/08 11:54:31 net device setup: enabled 2020/01/08 11:54:31 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 11:54:31 devlink PCI setup: PCI device 0000:00:10.0 is not available 11:54:32 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = add_key$keyring(&(0x7f0000000100)='keyring\x00', &(0x7f0000000140)={'syz', 0x3}, 0x0, 0x0, 0xffffffffffffffff) keyctl$search(0xa, r2, &(0x7f00000000c0)='keyring\x00', &(0x7f0000000080)={'syz', 0x3}, r2) 11:54:32 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$evdev(&(0x7f0000000080)='/dev/input/event#\x00', 0x0, 0x0) ioctl$EVIOCGKEY(r0, 0x80404529, 0x0) syzkaller login: [ 69.714314][ T8714] IPVS: ftp: loaded support on port[0] = 21 11:54:33 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000600)=ANY=[@ANYPTR64], 0xfe9d) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xcf}) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000180)={0x0, 0x0, 0xae15, 0xd8a}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) write$cgroup_pid(r1, &(0x7f0000000000), 0xfffffea6) [ 69.870962][ T8717] IPVS: ftp: loaded support on port[0] = 21 [ 69.879749][ T8714] chnl_net:caif_netlink_parms(): no params data found [ 70.014815][ T8714] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.022507][ T8714] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.032059][ T8714] device bridge_slave_0 entered promiscuous mode [ 70.051072][ T8719] IPVS: ftp: loaded support on port[0] = 21 [ 70.060288][ T8714] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.067673][ T8714] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.076463][ T8714] device bridge_slave_1 entered promiscuous mode [ 70.126581][ T8717] chnl_net:caif_netlink_parms(): no params data found [ 70.158165][ T8714] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.187164][ T8714] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 11:54:33 executing program 3: r0 = syz_open_dev$usbfs(&(0x7f0000000040)='/dev/bus/usb/00#/00#\x00', 0x73, 0x2) ioctl$USBDEVFS_CONTROL(r0, 0xc0185500, &(0x7f0000001040)={0x23, 0x3, 0x17, 0x0, 0x0, 0x0, 0x0}) [ 70.244905][ T8717] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.252086][ T8717] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.261879][ T8717] device bridge_slave_0 entered promiscuous mode [ 70.281220][ T8714] team0: Port device team_slave_0 added [ 70.323089][ T8717] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.333812][ T8717] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.353820][ T8717] device bridge_slave_1 entered promiscuous mode [ 70.361994][ T8714] team0: Port device team_slave_1 added [ 70.413787][ T8719] chnl_net:caif_netlink_parms(): no params data found [ 70.449565][ T8717] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.470613][ T8723] IPVS: ftp: loaded support on port[0] = 21 11:54:33 executing program 4: sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={0x0}}, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0xaa, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="2c0000001200ff8e000000000000005e070000001800"/36], 0x2c}}, 0x0) r3 = socket(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(r3, 0x10e, 0xc, &(0x7f0000000040)={0x7ff}, 0x17f) sendmmsg$alg(r3, &(0x7f0000000140), 0x4924b68, 0x0) [ 70.546536][ T8714] device hsr_slave_0 entered promiscuous mode [ 70.584765][ T8714] device hsr_slave_1 entered promiscuous mode [ 70.681544][ T8717] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.765915][ T8717] team0: Port device team_slave_0 added [ 70.791326][ T8725] IPVS: ftp: loaded support on port[0] = 21 [ 70.802709][ T8719] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.813178][ T8719] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.821211][ T8719] device bridge_slave_0 entered promiscuous mode [ 70.830011][ T8717] team0: Port device team_slave_1 added [ 70.855087][ T8719] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.862172][ T8719] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.871007][ T8719] device bridge_slave_1 entered promiscuous mode 11:54:34 executing program 5: r0 = socket$inet_udplite(0x2, 0x2, 0x88) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = gettid() rt_sigprocmask(0x0, &(0x7f0000000000)={0xfffffffffffffffd}, 0x0, 0x8) timer_create(0x0, &(0x7f00000001c0)={0x0, 0x12, 0x4, @tid=r2}, &(0x7f0000044000)) timer_settime(0x0, 0x3, &(0x7f00000000c0)={{0x77359400}, {0x0, 0x1c9c380}}, 0x0) epoll_pwait(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080), 0x8) [ 70.927202][ T8719] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.007732][ T8719] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.027191][ T8714] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.130339][ T8717] device hsr_slave_0 entered promiscuous mode [ 71.194063][ T8717] device hsr_slave_1 entered promiscuous mode [ 71.243884][ T8717] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.251602][ T8717] Cannot create hsr debugfs directory [ 71.277177][ T8714] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.342962][ T8719] team0: Port device team_slave_0 added [ 71.351045][ T8714] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.406447][ T8714] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.416019][ T8728] IPVS: ftp: loaded support on port[0] = 21 [ 71.449228][ T8723] chnl_net:caif_netlink_parms(): no params data found [ 71.466335][ T8719] team0: Port device team_slave_1 added [ 71.548938][ T8723] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.556474][ T8723] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.564483][ T8723] device bridge_slave_0 entered promiscuous mode [ 71.626458][ T8719] device hsr_slave_0 entered promiscuous mode [ 71.674181][ T8719] device hsr_slave_1 entered promiscuous mode [ 71.723819][ T8719] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.731518][ T8719] Cannot create hsr debugfs directory [ 71.743379][ T8723] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.751503][ T8723] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.761655][ T8723] device bridge_slave_1 entered promiscuous mode [ 71.836700][ T8723] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.857335][ T8723] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.882336][ T8723] team0: Port device team_slave_0 added [ 71.896119][ T8717] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 71.937657][ T8717] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 72.008102][ T8717] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 72.056853][ T8723] team0: Port device team_slave_1 added [ 72.076875][ T8725] chnl_net:caif_netlink_parms(): no params data found [ 72.100879][ T8717] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 72.235630][ T8723] device hsr_slave_0 entered promiscuous mode [ 72.274230][ T8723] device hsr_slave_1 entered promiscuous mode [ 72.333810][ T8723] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.341423][ T8723] Cannot create hsr debugfs directory [ 72.359900][ T8719] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 72.416258][ T8719] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 72.482718][ T8728] chnl_net:caif_netlink_parms(): no params data found [ 72.495059][ T8719] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 72.561137][ T8719] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 72.652663][ T8725] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.660344][ T8725] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.669070][ T8725] device bridge_slave_0 entered promiscuous mode [ 72.696757][ T8725] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.705179][ T8725] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.713000][ T8725] device bridge_slave_1 entered promiscuous mode [ 72.748645][ T8728] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.756265][ T8728] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.765047][ T8728] device bridge_slave_0 entered promiscuous mode [ 72.785969][ T8728] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.796862][ T8728] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.804802][ T8728] device bridge_slave_1 entered promiscuous mode [ 72.826480][ T8725] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.838770][ T8714] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.871080][ T8725] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.890069][ T8723] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 72.952763][ T8728] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.964380][ T8728] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.989285][ T8725] team0: Port device team_slave_0 added [ 72.995757][ T8723] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 73.047496][ T8723] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 73.086733][ T8723] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 73.157903][ T8725] team0: Port device team_slave_1 added [ 73.173103][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.181885][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.200843][ T8714] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.210689][ T8728] team0: Port device team_slave_0 added [ 73.276448][ T8725] device hsr_slave_0 entered promiscuous mode [ 73.334211][ T8725] device hsr_slave_1 entered promiscuous mode [ 73.373870][ T8725] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.381465][ T8725] Cannot create hsr debugfs directory [ 73.395758][ T8728] team0: Port device team_slave_1 added [ 73.410490][ T8717] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.420267][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.429537][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.438257][ T2734] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.445638][ T2734] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.455547][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.464731][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.473090][ T2734] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.480196][ T2734] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.524157][ T8717] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.532274][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.540578][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.548869][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.557366][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.635794][ T8728] device hsr_slave_0 entered promiscuous mode [ 73.694099][ T8728] device hsr_slave_1 entered promiscuous mode [ 73.743807][ T8728] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.751459][ T8728] Cannot create hsr debugfs directory [ 73.772655][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.781528][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.790160][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.799462][ T2735] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.806555][ T2735] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.814447][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.822974][ T2735] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.831702][ T2735] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.839264][ T2735] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.871962][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.880512][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.889247][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.903739][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.912220][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.921325][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.955569][ T8719] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.962426][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.970761][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.980141][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.988591][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.037091][ T8725] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 74.096706][ T8725] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 74.146001][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.155154][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.163592][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.172884][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.181660][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.190294][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.199841][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.219942][ T8725] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 74.276230][ T8725] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 74.315231][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.323613][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.332531][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.341004][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.349754][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.357904][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.381560][ T8717] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.394744][ T8719] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.416793][ T8723] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.470341][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.479605][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.488377][ T2819] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.495498][ T2819] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.504500][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.512144][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.520575][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.540705][ T8728] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 74.589687][ T8714] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.605788][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.613331][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.621988][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.630892][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.639603][ T2819] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.646744][ T2819] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.654914][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.662530][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.670507][ T8728] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 74.759097][ T8723] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.777679][ T8717] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.790765][ T8728] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 74.850428][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.859178][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.868696][ T2733] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.875903][ T2733] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.894020][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.902007][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.911596][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.920779][ T2733] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.927878][ T2733] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.936454][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.945840][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.968515][ T8728] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 75.020042][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.029017][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.038073][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.047430][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.056187][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.065221][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.076771][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.085342][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.094232][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.102603][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.110982][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.119857][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.128673][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.146818][ T8719] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.175864][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.187479][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.196130][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.205181][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.213787][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.221875][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.232842][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.241061][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.252390][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.268631][ T8723] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 75.280193][ T8723] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.303453][ T8714] device veth0_vlan entered promiscuous mode [ 75.317244][ T8717] device veth0_vlan entered promiscuous mode [ 75.329363][ T8725] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.337842][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.349785][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.358343][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.368284][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.376965][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.385805][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.394308][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.402372][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.411460][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.419135][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.427270][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.452931][ T8717] device veth1_vlan entered promiscuous mode [ 75.465442][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.472899][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.490799][ T8725] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.509162][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.516954][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.538039][ T8719] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.547866][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.558122][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.566706][ T2819] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.573819][ T2819] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.581504][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.590182][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.598623][ T2819] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.606260][ T2819] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.614037][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.621508][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.636613][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.645128][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.653604][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.662221][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.671080][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.681054][ T8714] device veth1_vlan entered promiscuous mode [ 75.730908][ T8723] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.751944][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.760056][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.768439][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.777152][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.786065][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.795441][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.803886][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.819447][ T8725] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.833279][ T8725] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.860077][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.876320][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.885612][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.895334][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.904528][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.912033][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.000422][ T8723] device veth0_vlan entered promiscuous mode [ 76.027789][ T8723] device veth1_vlan entered promiscuous mode [ 180.973649][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 180.980757][ C0] rcu: 0-...!: (1 GPs behind) idle=b2a/1/0x4000000000000002 softirq=14760/14764 fqs=7 [ 180.990955][ C0] (t=10501 jiffies g=7497 q=321) [ 180.996002][ C0] rcu: rcu_preempt kthread starved for 10488 jiffies! g7497 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 181.007104][ C0] rcu: RCU grace-period kthread stack dump: [ 181.012998][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 181.021708][ C0] Call Trace: [ 181.025349][ C0] __schedule+0x9a0/0xcc0 [ 181.029945][ C0] schedule+0x181/0x210 [ 181.034114][ C0] schedule_timeout+0x14f/0x240 [ 181.039150][ C0] ? run_local_timers+0x120/0x120 [ 181.044651][ C0] rcu_gp_kthread+0xed8/0x1770 [ 181.049435][ C0] kthread+0x332/0x350 [ 181.053678][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 181.058804][ C0] ? kthread_blkcg+0xe0/0xe0 [ 181.063400][ C0] ret_from_fork+0x24/0x30 [ 181.067829][ C0] NMI backtrace for cpu 0 [ 181.072241][ C0] CPU: 0 PID: 8683 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 181.080131][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.090496][ C0] Call Trace: [ 181.093783][ C0] [ 181.096663][ C0] dump_stack+0x1fb/0x318 [ 181.101002][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 181.105922][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 181.112115][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 181.118189][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 181.124180][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 181.130248][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 181.135427][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 181.140638][ C0] ? trace_hardirqs_off+0x74/0x80 [ 181.145675][ C0] update_process_times+0x12d/0x180 [ 181.150983][ C0] tick_sched_timer+0x263/0x420 [ 181.156031][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 181.161722][ C0] __hrtimer_run_queues+0x403/0x840 [ 181.167301][ C0] hrtimer_interrupt+0x38c/0xda0 [ 181.172339][ C0] ? debug_smp_processor_id+0x9/0x20 [ 181.177648][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 181.183254][ C0] apic_timer_interrupt+0xf/0x20 [ 181.188255][ C0] [ 181.191223][ C0] RIP: 0010:free_thread_stack+0x195/0x590 [ 181.196943][ C0] Code: 2e 00 74 08 4c 89 e7 e8 39 94 6a 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 1b 94 6a 00 <48> 8b 1b e9 82 ff ff ff e8 be 2b 2e 00 43 80 3c 2e 00 75 18 eb 1e [ 181.216819][ C0] RSP: 0018:ffffc90001d97b10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 181.225611][ C0] RAX: 1ffff11013c628d1 RBX: ffff88809e314688 RCX: ffff8880a7382440 [ 181.233758][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00024b9dc0 [ 181.241738][ C0] RBP: ffffc90001d97b48 R08: 000000000003a728 R09: ffffed1011af0ec1 [ 181.251434][ C0] R10: ffffed1011af0ec1 R11: 0000000000000000 R12: ffff88809e314720 [ 181.259511][ C0] R13: dffffc0000000000 R14: 1ffff11013c628e4 R15: ffff88808d7875f8 [ 181.267603][ C0] put_task_stack+0xa3/0x130 [ 181.272198][ C0] finish_task_switch+0x3f1/0x550 [ 181.277242][ C0] __schedule+0x9a8/0xcc0 [ 181.281587][ C0] schedule+0x181/0x210 [ 181.285747][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 181.291827][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 181.299115][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 181.304488][ C0] ep_poll+0xa4d/0xe80 [ 181.308569][ C0] ? do_task_dead+0xc0/0xc0 [ 181.313075][ C0] ? __kasan_check_read+0x11/0x20 [ 181.318100][ C0] do_epoll_wait+0x1ee/0x260 [ 181.322697][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 181.327796][ C0] do_syscall_64+0xf7/0x1c0 [ 181.332307][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 181.338322][ C0] RIP: 0033:0x7f3bd076c943 [ 181.343695][ C0] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 181.363618][ C0] RSP: 002b:00007ffcb3a69a78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 181.372117][ C0] RAX: ffffffffffffffda RBX: 000000000147d250 RCX: 00007f3bd076c943 [ 181.380119][ C0] RDX: 0000000000000004 RSI: 00007ffcb3a69b40 RDI: 0000000000000007 [ 181.388365][ C0] RBP: 0000000000625500 R08: 00007ffcb3a69a60 R09: 00007ffcb3b6c0b8 [ 181.396370][ C0] R10: 000000000000ee41 R11: 0000000000000246 R12: 000000000148ea90 [ 181.404345][ C0] R13: 00007ffcb3a6ab97 R14: 0000000000000005 R15: 000000000147d250