[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 47.923280][ T23] audit: type=1800 audit(1578446098.108:25): pid=8342 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.949165][ T23] audit: type=1800 audit(1578446098.108:26): pid=8342 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.989947][ T23] audit: type=1800 audit(1578446098.108:27): pid=8342 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 '10.128.0.56' (ECDSA) to the list of known hosts. 2020/01/08 01:15:09 fuzzer started 2020/01/08 01:15:11 dialing manager at 10.128.0.26:35703 2020/01/08 01:15:11 syscalls: 2824 2020/01/08 01:15:11 code coverage: enabled 2020/01/08 01:15:11 comparison tracing: enabled 2020/01/08 01:15:11 extra coverage: enabled 2020/01/08 01:15:11 setuid sandbox: enabled 2020/01/08 01:15:11 namespace sandbox: enabled 2020/01/08 01:15:11 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 01:15:11 fault injection: enabled 2020/01/08 01:15:11 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 01:15:11 net packet injection: enabled 2020/01/08 01:15:11 net device setup: enabled 2020/01/08 01:15:11 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 01:15:11 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:15:12 executing program 0: sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x138, &(0x7f0000000000)={&(0x7f0000000180)=ANY=[@ANYBLOB="f90000001300fb060049ea5d593dd0cf4150bbed000000000000000034000000"], 0x362}, 0x1, 0x68}, 0x0) r0 = socket(0x10, 0x80002, 0x8000000010) sendmmsg$alg(r0, &(0x7f0000000080), 0x492492492492751, 0x0) 01:15:13 executing program 1: syz_mount_image$bfs(&(0x7f0000000000)='bfs\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x1, &(0x7f0000000080)=[{&(0x7f0000000180)="cefaad1bb83c000040dc", 0x3bd}], 0x8002, 0x0) syzkaller login: [ 62.972638][ T8510] IPVS: ftp: loaded support on port[0] = 21 01:15:13 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$TIOCGPKT(0xffffffffffffffff, 0x80045438, &(0x7f0000000180)) syz_open_procfs(0x0, &(0x7f0000000040)='smaps\x00') r0 = creat(0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) write$binfmt_elf64(0xffffffffffffffff, 0x0, 0x0) fallocate(r0, 0x3, 0x0, 0x8020003) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) bpf$BPF_GET_PROG_INFO(0xf, 0x0, 0x0) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ioctl$EXT4_IOC_SETFLAGS(r2, 0x40086602, 0x0) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000180)=ANY=[], 0x0) fallocate(r2, 0x0, 0x0, 0x8020003) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) lseek(r3, 0x0, 0x0) [ 63.031694][ T8512] IPVS: ftp: loaded support on port[0] = 21 [ 63.156623][ T8510] chnl_net:caif_netlink_parms(): no params data found 01:15:13 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x3, 0x4, &(0x7f0000000000)=@framed={{0x18, 0x2}, [@call={0x85, 0x0, 0x0, 0x56}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f000062b000)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 63.310900][ T8510] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.318557][ T8510] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.327008][ T8510] device bridge_slave_0 entered promiscuous mode [ 63.333378][ T8516] IPVS: ftp: loaded support on port[0] = 21 [ 63.343904][ T8512] chnl_net:caif_netlink_parms(): no params data found [ 63.367949][ T8510] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.399169][ T8510] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.407149][ T8510] device bridge_slave_1 entered promiscuous mode [ 63.480204][ T8510] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.497829][ T8518] IPVS: ftp: loaded support on port[0] = 21 [ 63.514652][ T8510] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.558561][ T8510] team0: Port device team_slave_0 added [ 63.569978][ T8512] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.577074][ T8512] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.586176][ T8512] device bridge_slave_0 entered promiscuous mode [ 63.605620][ T8510] team0: Port device team_slave_1 added [ 63.611825][ T8512] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.618981][ T8512] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.627562][ T8512] device bridge_slave_1 entered promiscuous mode 01:15:13 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x8, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x61, 0x11, 0xa2}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f0000000200)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 63.741783][ T8510] device hsr_slave_0 entered promiscuous mode [ 63.790049][ T8510] device hsr_slave_1 entered promiscuous mode [ 63.856178][ T8512] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.881748][ T8516] chnl_net:caif_netlink_parms(): no params data found [ 63.906262][ T8512] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.925964][ T8521] IPVS: ftp: loaded support on port[0] = 21 01:15:14 executing program 5: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'\x00', 0xc205}) r1 = socket(0x10, 0x3, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000100)='fdinfo/3\x00') sendfile(r1, r2, 0x0, 0x80000001) [ 63.993446][ T8512] team0: Port device team_slave_0 added [ 64.006800][ T8512] team0: Port device team_slave_1 added [ 64.120458][ T8518] chnl_net:caif_netlink_parms(): no params data found [ 64.138970][ T8516] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.147133][ T8516] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.155141][ T8516] device bridge_slave_0 entered promiscuous mode [ 64.222634][ T8512] device hsr_slave_0 entered promiscuous mode [ 64.289410][ T8512] device hsr_slave_1 entered promiscuous mode [ 64.339357][ T8512] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.347089][ T8512] Cannot create hsr debugfs directory [ 64.364844][ T8524] IPVS: ftp: loaded support on port[0] = 21 [ 64.381624][ T8516] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.388718][ T8516] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.401388][ T8516] device bridge_slave_1 entered promiscuous mode [ 64.444484][ T8510] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.524126][ T8516] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.535000][ T8510] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.593915][ T8510] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.651113][ T8518] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.658266][ T8518] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.666403][ T8518] device bridge_slave_0 entered promiscuous mode [ 64.682587][ T8516] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.696967][ T8510] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.754251][ T8518] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.761809][ T8518] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.770076][ T8518] device bridge_slave_1 entered promiscuous mode [ 64.798274][ T8518] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.810987][ T8518] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.826238][ T8521] chnl_net:caif_netlink_parms(): no params data found [ 64.845515][ T8516] team0: Port device team_slave_0 added [ 64.856847][ T8516] team0: Port device team_slave_1 added [ 64.892898][ T8518] team0: Port device team_slave_0 added [ 64.923315][ T8518] team0: Port device team_slave_1 added [ 64.977914][ T8521] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.985421][ T8521] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.993227][ T8521] device bridge_slave_0 entered promiscuous mode [ 65.041846][ T8516] device hsr_slave_0 entered promiscuous mode [ 65.079563][ T8516] device hsr_slave_1 entered promiscuous mode [ 65.121700][ T8516] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.129412][ T8516] Cannot create hsr debugfs directory [ 65.151150][ T8521] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.158249][ T8521] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.166897][ T8521] device bridge_slave_1 entered promiscuous mode [ 65.231882][ T8518] device hsr_slave_0 entered promiscuous mode [ 65.269575][ T8518] device hsr_slave_1 entered promiscuous mode [ 65.309262][ T8518] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.316849][ T8518] Cannot create hsr debugfs directory [ 65.336788][ T8521] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.349534][ T8524] chnl_net:caif_netlink_parms(): no params data found [ 65.375367][ T8521] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.384853][ T8512] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.461083][ T8512] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.503297][ T8512] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.557822][ T8521] team0: Port device team_slave_0 added [ 65.584568][ T8512] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.630103][ T8521] team0: Port device team_slave_1 added [ 65.678721][ T8524] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.686979][ T8524] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.695957][ T8524] device bridge_slave_0 entered promiscuous mode [ 65.732061][ T8524] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.742431][ T8524] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.750223][ T8524] device bridge_slave_1 entered promiscuous mode [ 65.757318][ T8516] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.804124][ T8510] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.862820][ T8521] device hsr_slave_0 entered promiscuous mode [ 65.919549][ T8521] device hsr_slave_1 entered promiscuous mode [ 65.959343][ T8521] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.966946][ T8521] Cannot create hsr debugfs directory [ 65.993001][ T8516] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.073589][ T8524] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.084641][ T8516] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.162474][ T8516] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.212157][ T8524] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.243620][ T8524] team0: Port device team_slave_0 added [ 66.256284][ T8518] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.292991][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.302670][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.321620][ T8510] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.333349][ T8524] team0: Port device team_slave_1 added [ 66.340535][ T8518] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 66.405998][ T8518] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 66.466751][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.475744][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.484247][ T2903] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.491435][ T2903] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.551503][ T8524] device hsr_slave_0 entered promiscuous mode [ 66.589591][ T8524] device hsr_slave_1 entered promiscuous mode [ 66.649300][ T8524] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.657192][ T8524] Cannot create hsr debugfs directory [ 66.662999][ T8518] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 66.721003][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.728981][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.737898][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.746906][ T2903] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.754128][ T2903] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.768936][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.834318][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.843689][ T8521] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 66.936962][ T8521] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 66.972474][ T8521] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 67.024575][ T8521] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 67.086641][ T8512] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.100648][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.112134][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.121391][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.132779][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.141202][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.149749][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.157886][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.172060][ T8510] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.183487][ T8510] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.204388][ T8516] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.218170][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.228310][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.272403][ T8512] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.287419][ T8524] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 67.333445][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.341652][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.349440][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.358117][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.366666][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.373792][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.383119][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.391188][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.399874][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.408168][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.415250][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.429428][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.436899][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.452972][ T8516] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.461286][ T8524] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 67.523932][ T8524] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 67.585789][ T8524] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 67.645717][ T8518] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.655671][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.664690][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.686012][ T8510] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.697303][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.707034][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.716130][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.724679][ T2897] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.731802][ T2897] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.739784][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.748192][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.757033][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.765395][ T2897] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.772726][ T2897] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.781629][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.806850][ T8518] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.828615][ T8512] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.839659][ T8512] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.851216][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.861533][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.870014][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.878366][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.886857][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.894570][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.902490][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.911204][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.927967][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.936582][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.944855][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.953198][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.962309][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.970674][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.980313][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.988601][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.996432][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.043214][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.052454][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.061734][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.070701][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.081349][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.090769][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.099021][ T2677] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.106121][ T2677] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.113700][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.122393][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.130793][ T2677] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.138003][ T2677] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.145854][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.154338][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.162869][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.171535][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.180116][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.187860][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.204909][ T8510] device veth0_vlan entered promiscuous mode [ 68.218029][ T8510] device veth1_vlan entered promiscuous mode [ 68.235291][ T8516] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.246096][ T8516] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.267867][ T8518] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.280437][ T8518] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.293869][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.303330][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.311588][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.320314][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.328007][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.335734][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.344801][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.354064][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.362737][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.371651][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.380584][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.389833][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.398039][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.406644][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.415042][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.428369][ T8512] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.457139][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.466153][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.473878][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.482196][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.490845][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.498366][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.526279][ T8516] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.550450][ T8521] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.565516][ T8518] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.596672][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.606751][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.618854][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.627148][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.636112][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.670399][ T8524] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.677260][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.687095][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.731188][ T8529] netlink: 229 bytes leftover after parsing attributes in process `syz-executor.0'. [ 68.748594][ T8530] netlink: 229 bytes leftover after parsing attributes in process `syz-executor.0'. [ 173.699079][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 173.706000][ C1] rcu: 1-...!: (10499 ticks this GP) idle=f6a/1/0x4000000000000002 softirq=12253/12253 fqs=3 [ 173.716497][ C1] (t=10500 jiffies g=6853 q=75) [ 173.721426][ C1] rcu: rcu_preempt kthread starved for 10494 jiffies! g6853 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 173.732509][ C1] rcu: RCU grace-period kthread stack dump: [ 173.738382][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 173.746277][ C1] Call Trace: [ 173.749562][ C1] __schedule+0x9a0/0xcc0 [ 173.753893][ C1] schedule+0x181/0x210 [ 173.758041][ C1] schedule_timeout+0x14f/0x240 [ 173.762884][ C1] ? run_local_timers+0x120/0x120 [ 173.767900][ C1] rcu_gp_kthread+0xed8/0x1770 [ 173.772666][ C1] kthread+0x332/0x350 [ 173.776718][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 173.781814][ C1] ? kthread_blkcg+0xe0/0xe0 [ 173.786395][ C1] ret_from_fork+0x24/0x30 [ 173.790836][ C1] NMI backtrace for cpu 1 [ 173.795155][ C1] CPU: 1 PID: 2677 Comm: kworker/1:2 Not tainted 5.5.0-rc5-syzkaller #0 [ 173.803458][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.813521][ C1] Workqueue: events linkwatch_event [ 173.818722][ C1] Call Trace: [ 173.822001][ C1] [ 173.824848][ C1] dump_stack+0x1fb/0x318 [ 173.829188][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 173.834030][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 173.840175][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 173.846229][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 173.852200][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 173.858079][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 173.863184][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 173.868372][ C1] ? trace_hardirqs_off+0x74/0x80 [ 173.873389][ C1] update_process_times+0x12d/0x180 [ 173.878592][ C1] tick_sched_timer+0x263/0x420 [ 173.883432][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 173.888966][ C1] __hrtimer_run_queues+0x403/0x840 [ 173.894164][ C1] hrtimer_interrupt+0x38c/0xda0 [ 173.899108][ C1] ? debug_smp_processor_id+0x9/0x20 [ 173.904387][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 173.909920][ C1] apic_timer_interrupt+0xf/0x20 [ 173.915100][ C1] [ 173.918035][ C1] RIP: 0010:free_thread_stack+0x18b/0x590 [ 173.923741][ C1] Code: ff ff e8 28 04 00 00 43 80 3c 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 [ 173.943335][ C1] RSP: 0018:ffffc900076af700 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 173.951733][ C1] RAX: 1ffff1101165bf21 RBX: ffff88808b2df908 RCX: ffff8880a0196000 [ 173.959713][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002516b00 [ 173.967689][ C1] RBP: ffffc900076af738 R08: 000000000003a728 R09: fffffbfff124248a [ 173.975654][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88808b2df9a0 [ 173.983636][ C1] R13: dffffc0000000000 R14: 1ffff1101165bf34 R15: ffff88809585f7b8 [ 173.991637][ C1] put_task_stack+0xa3/0x130 [ 173.996228][ C1] finish_task_switch+0x3f1/0x550 [ 174.001250][ C1] __schedule+0x9a8/0xcc0 [ 174.005579][ C1] ? ___preempt_schedule+0x16/0x18 [ 174.011204][ C1] preempt_schedule+0xdb/0x120 [ 174.015958][ C1] ___preempt_schedule+0x16/0x18 [ 174.020886][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 174.025548][ C1] ? vprintk_emit+0x368/0x3a0 [ 174.030217][ C1] vprintk_emit+0x36d/0x3a0 [ 174.034725][ C1] vprintk_default+0x28/0x30 [ 174.039303][ C1] vprintk_func+0x158/0x170 [ 174.043798][ C1] printk+0x62/0x8d [ 174.047599][ C1] ? addrconf_notify+0xd37/0x3c90 [ 174.052615][ C1] ? addrconf_notify+0x779/0x3c90 [ 174.057635][ C1] addrconf_notify+0x2c8d/0x3c90 [ 174.062568][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 174.067842][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 174.073202][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 174.078734][ C1] ? trace_hardirqs_on+0x74/0x80 [ 174.083663][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 174.089021][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 174.094554][ C1] ? tls_dev_event+0x619/0xc00 [ 174.099309][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 174.104846][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 174.110041][ C1] raw_notifier_call_chain+0xec/0x190 [ 174.115407][ C1] netdev_state_change+0x147/0x1f0 [ 174.120512][ C1] linkwatch_do_dev+0x10e/0x160 [ 174.125356][ C1] __linkwatch_run_queue+0x446/0x730 [ 174.130660][ C1] linkwatch_event+0x4c/0x60 [ 174.135247][ C1] process_one_work+0x7ef/0x10d0 [ 174.140205][ C1] worker_thread+0xc01/0x1630 [ 174.144894][ C1] kthread+0x332/0x350 [ 174.148950][ C1] ? rcu_lock_release+0x30/0x30 [ 174.153791][ C1] ? kthread_blkcg+0xe0/0xe0 [ 174.158372][ C1] ret_from_fork+0x24/0x30