[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 54.470956][ T26] audit: type=1800 audit(1578460141.566:25): pid=8497 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 54.491475][ T26] audit: type=1800 audit(1578460141.566:26): pid=8497 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 54.562049][ T26] audit: type=1800 audit(1578460141.566:27): pid=8497 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 '10.128.10.24' (ECDSA) to the list of known hosts. 2020/01/08 05:09:11 fuzzer started 2020/01/08 05:09:13 dialing manager at 10.128.0.26:35703 2020/01/08 05:09:13 syscalls: 2824 2020/01/08 05:09:13 code coverage: enabled 2020/01/08 05:09:13 comparison tracing: enabled 2020/01/08 05:09:13 extra coverage: enabled 2020/01/08 05:09:13 setuid sandbox: enabled 2020/01/08 05:09:13 namespace sandbox: enabled 2020/01/08 05:09:13 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 05:09:13 fault injection: enabled 2020/01/08 05:09:13 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 05:09:13 net packet injection: enabled 2020/01/08 05:09:13 net device setup: enabled 2020/01/08 05:09:13 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 05:09:13 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:09:14 executing program 0: syz_open_procfs(0x0, &(0x7f00000000c0)='autogroup\x00') socket$inet(0x2, 0x6000000000000001, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(r0, 0x0, 0x48c, &(0x7f0000000080)={0x0, 'bond0\x00'}, 0x18) ioctl(r0, 0x800000000008982, &(0x7f0000000080)) openat$ppp(0xffffffffffffff9c, &(0x7f0000000400)='/dev/ppp\x00', 0x0, 0x0) write$FUSE_NOTIFY_DELETE(0xffffffffffffffff, 0x0, 0x0) 05:09:14 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x8000000004) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000000300)="580000001400192340834b80040d8c560a067fbc45ff81054e220000000058000b480400945f64009400050038925a01000000000000008000f0fffeffe809000000fff5dd0000001000010009100800418e00000a04fcff", 0x58}], 0x1) syzkaller login: [ 67.713828][ T8664] IPVS: ftp: loaded support on port[0] = 21 05:09:15 executing program 2: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/uinput\x00', 0x822, 0x0) write$uinput_user_dev(r0, &(0x7f0000000640)={'syz1\x00'}, 0x45c) ioctl$UI_DEV_CREATE(r0, 0x5501) write$uinput_user_dev(r0, &(0x7f0000000ac0)={'syz1\x00', {}, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000]}, 0x45c) readv(r0, &(0x7f0000000540)=[{&(0x7f0000000f40)=""/4096, 0x18}, {&(0x7f0000000100)=""/194, 0x18}, {&(0x7f0000000000)=""/3}, {&(0x7f0000000040)=""/39}, {&(0x7f0000000080)=""/41}, {&(0x7f0000000200)=""/218}, {&(0x7f0000000480)=""/169}], 0x339) [ 67.886321][ T8664] chnl_net:caif_netlink_parms(): no params data found [ 67.929583][ T8664] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.956726][ T8667] IPVS: ftp: loaded support on port[0] = 21 [ 67.962854][ T8664] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.983121][ T8664] device bridge_slave_0 entered promiscuous mode [ 68.001765][ T8664] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.022819][ T8664] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.043032][ T8664] device bridge_slave_1 entered promiscuous mode [ 68.079165][ T8669] IPVS: ftp: loaded support on port[0] = 21 [ 68.116523][ T8664] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.157652][ T8664] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 05:09:15 executing program 3: perf_event_open(&(0x7f00000000c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x10, 0x2, 0xc) sendmsg(r0, &(0x7f0000000200)={0x0, 0x6000000, &(0x7f0000009ff0)=[{&(0x7f0000000180)="24000000030607031dfffd946fa2830020200a0009000100061d85680c1baba20400ff7e", 0x24}], 0x1}, 0x0) [ 68.243884][ T8664] team0: Port device team_slave_0 added [ 68.286788][ T8664] team0: Port device team_slave_1 added [ 68.374873][ T8664] device hsr_slave_0 entered promiscuous mode 05:09:15 executing program 4: syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x0, 0x400) [ 68.422449][ T8664] device hsr_slave_1 entered promiscuous mode [ 68.486787][ T8667] chnl_net:caif_netlink_parms(): no params data found [ 68.547513][ T8672] IPVS: ftp: loaded support on port[0] = 21 [ 68.690390][ T8667] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.697750][ T8667] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.707800][ T8667] device bridge_slave_0 entered promiscuous mode 05:09:15 executing program 5: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f0000000300)=0x80, 0x4) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e23, @initdev={0xac, 0x1e, 0x1, 0x0}}, 0x10) ioctl$BLKDISCARD(0xffffffffffffffff, 0x1277, &(0x7f00000000c0)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa) socket$packet(0x11, 0x0, 0x300) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000040)='bbr\x00', 0x3ab) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(0xffffffffffffffff, 0x6, 0xd, 0x0, 0x0) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f00000003c0), 0x4) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x2) prctl$PR_GET_THP_DISABLE(0x2a) socket$inet6(0xa, 0x6, 0x0) syz_open_dev$radio(&(0x7f00000001c0)='/dev/radio#\x00', 0x0, 0x2) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000300)='/dev/autofs\x00', 0x0, 0x0) sendmsg$TIPC_CMD_SHOW_STATS(r1, 0x0, 0x0) r2 = syz_init_net_socket$netrom(0x6, 0x5, 0x0) dup2(r1, r2) bind$inet6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0xfff9, 0x200, @rand_addr="0406f8e0cd3f1a5d39820b50bde6d30d", 0x1}, 0x1c) listen(0xffffffffffffffff, 0x5eb857) bind(0xffffffffffffffff, &(0x7f0000000140)=@rc={0x1f, {0xe9, 0x2, 0x3, 0x80, 0x4, 0xff}, 0x3}, 0x80) write$binfmt_elf64(r0, &(0x7f0000000100)=ANY=[@ANYRES32, @ANYRES16=0x0], 0x2bcf) recvmsg(r0, &(0x7f0000001440)={0x0, 0x0, &(0x7f00000015c0)=[{0x0}], 0x1, 0x0, 0x0, 0x7115}, 0x100) [ 68.736658][ T8675] IPVS: ftp: loaded support on port[0] = 21 [ 68.748545][ T8669] chnl_net:caif_netlink_parms(): no params data found [ 68.766241][ T8667] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.774029][ T8667] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.784524][ T8667] device bridge_slave_1 entered promiscuous mode [ 68.827504][ T8667] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.864189][ T8667] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.938040][ T8667] team0: Port device team_slave_0 added [ 68.971431][ T8667] team0: Port device team_slave_1 added [ 68.984151][ T8669] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.991240][ T8669] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.007544][ T8669] device bridge_slave_0 entered promiscuous mode [ 69.009996][ T8677] IPVS: ftp: loaded support on port[0] = 21 [ 69.023598][ T8669] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.030659][ T8669] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.038573][ T8669] device bridge_slave_1 entered promiscuous mode [ 69.092960][ T8669] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.102416][ T8664] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.135784][ T8664] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.195858][ T8664] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.283975][ T8667] device hsr_slave_0 entered promiscuous mode [ 69.322325][ T8667] device hsr_slave_1 entered promiscuous mode [ 69.362153][ T8667] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.369902][ T8667] Cannot create hsr debugfs directory [ 69.393695][ T8669] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.414605][ T8664] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.468673][ T8672] chnl_net:caif_netlink_parms(): no params data found [ 69.480024][ T8669] team0: Port device team_slave_0 added [ 69.489197][ T8669] team0: Port device team_slave_1 added [ 69.575231][ T8669] device hsr_slave_0 entered promiscuous mode [ 69.612465][ T8669] device hsr_slave_1 entered promiscuous mode [ 69.652233][ T8669] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.659872][ T8669] Cannot create hsr debugfs directory [ 69.734358][ T8672] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.741509][ T8672] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.753692][ T8672] device bridge_slave_0 entered promiscuous mode [ 69.764895][ T8672] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.772674][ T8672] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.780312][ T8672] device bridge_slave_1 entered promiscuous mode [ 69.850138][ T8672] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.868768][ T8675] chnl_net:caif_netlink_parms(): no params data found [ 69.886476][ T8667] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 69.915332][ T8672] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.971777][ T8667] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 70.026461][ T8672] team0: Port device team_slave_0 added [ 70.039844][ T8672] team0: Port device team_slave_1 added [ 70.067400][ T8667] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 70.129658][ T8669] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 70.174826][ T8669] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 70.243726][ T8667] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 70.297242][ T8677] chnl_net:caif_netlink_parms(): no params data found [ 70.305820][ T8669] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 70.370017][ T8669] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.464967][ T8672] device hsr_slave_0 entered promiscuous mode [ 70.512441][ T8672] device hsr_slave_1 entered promiscuous mode [ 70.552130][ T8672] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.559761][ T8672] Cannot create hsr debugfs directory [ 70.578901][ T8675] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.586375][ T8675] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.594597][ T8675] device bridge_slave_0 entered promiscuous mode [ 70.602707][ T8675] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.609757][ T8675] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.617919][ T8675] device bridge_slave_1 entered promiscuous mode [ 70.691936][ T8664] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.710105][ T8675] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.724896][ T8677] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.732239][ T8677] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.739817][ T8677] device bridge_slave_0 entered promiscuous mode [ 70.749736][ T8677] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.757681][ T8677] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.765802][ T8677] device bridge_slave_1 entered promiscuous mode [ 70.781361][ T8664] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.790241][ T8675] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.825764][ T2686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.834307][ T2686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.852646][ T2686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.861125][ T2686] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.876511][ T2686] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.883737][ T2686] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.894053][ T8677] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.917877][ T8675] team0: Port device team_slave_0 added [ 70.926621][ T3232] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.934952][ T3232] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.943733][ T3232] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.952025][ T3232] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.959073][ T3232] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.968732][ T3232] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.977678][ T3232] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.987855][ T8677] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.024467][ T8675] team0: Port device team_slave_1 added [ 71.031496][ T8677] team0: Port device team_slave_0 added [ 71.039355][ T2686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.048289][ T2686] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.057806][ T2686] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.090231][ T8677] team0: Port device team_slave_1 added [ 71.115886][ T8672] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 71.155126][ T8672] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 71.254688][ T8675] device hsr_slave_0 entered promiscuous mode [ 71.302505][ T8675] device hsr_slave_1 entered promiscuous mode [ 71.342356][ T8675] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.350031][ T8675] Cannot create hsr debugfs directory [ 71.414643][ T8677] device hsr_slave_0 entered promiscuous mode [ 71.442889][ T8677] device hsr_slave_1 entered promiscuous mode [ 71.512253][ T8677] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.519890][ T8677] Cannot create hsr debugfs directory [ 71.535585][ T2761] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.544346][ T2761] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.553494][ T8672] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 71.578744][ T8672] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.681136][ T8664] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.698810][ T8664] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.721511][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.730260][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.739278][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.750167][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.758660][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.807544][ T8669] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.820350][ T8667] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.856177][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.868808][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.880608][ T8667] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.895589][ T8669] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.919782][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.930822][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.938773][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.946833][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.961607][ T8664] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.988104][ T2761] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.997663][ T2761] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.006133][ T2761] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.013235][ T2761] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.021445][ T2761] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.030634][ T2761] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.039133][ T2761] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.046280][ T2761] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.054884][ T2761] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.063649][ T2761] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.071916][ T2761] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.079007][ T2761] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.086740][ T2761] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.095551][ T2761] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.103978][ T2761] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.111000][ T2761] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.139415][ T8677] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 72.183643][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.191465][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.199385][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.207817][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.217144][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.226638][ T8675] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 72.258519][ T8675] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 72.324242][ T8677] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 72.392494][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.401131][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.410541][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.421413][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.430044][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.438515][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.446807][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.455166][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.463871][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.476706][ T8675] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 72.517006][ T8677] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 72.570546][ T8667] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.585109][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.594753][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.603101][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.611591][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.620647][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.628833][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.637131][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.645444][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.667720][ T8669] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.678655][ T8669] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.691366][ T8675] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.755906][ T8664] device veth0_vlan entered promiscuous mode [ 72.762680][ T8677] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 72.822310][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.830518][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.838602][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.848030][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.856851][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.865440][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.874517][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.883733][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.892983][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.901146][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.912646][ T8672] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.949982][ T8667] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.968029][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.976073][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.984057][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.991434][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.009878][ T8672] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.026340][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.034518][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.053141][ T8664] device veth1_vlan entered promiscuous mode [ 73.063817][ T8669] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.090473][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.100139][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.109233][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.117900][ T2762] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.125003][ T2762] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.133206][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.141700][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.150711][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.184286][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.193884][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.226326][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.235696][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.245434][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.252541][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.260778][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.269841][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.303493][ T8677] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.310327][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.319629][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.329510][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.338140][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.346461][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.354805][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.364775][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.373992][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.382140][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.397649][ T8672] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.416941][ T8672] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.435228][ T8669] device veth0_vlan entered promiscuous mode [ 73.450049][ T8667] device veth0_vlan entered promiscuous mode [ 73.459203][ T2686] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.468188][ T2686] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.479009][ T2686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.489951][ T2686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.498520][ T2686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.506979][ T2686] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.516612][ T2686] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.524967][ T2686] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.538047][ T8669] device veth1_vlan entered promiscuous mode [ 73.564663][ T8667] device veth1_vlan entered promiscuous mode [ 73.583121][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.591069][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.602621][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.610731][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.619340][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.633802][ T8677] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.645280][ T8675] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.701435][ T8675] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.766924][ T8675] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.782850][ T8675] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.827084][ T8675] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 178.651954][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 178.658866][ C0] rcu: 0-...!: (10499 ticks this GP) idle=05e/1/0x4000000000000002 softirq=14272/14272 fqs=9 [ 178.669380][ C0] (t=10501 jiffies g=7269 q=458) [ 178.674397][ C0] rcu: rcu_preempt kthread starved for 10483 jiffies! g7269 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 178.685479][ C0] rcu: RCU grace-period kthread stack dump: [ 178.691370][ C0] rcu_preempt R running task 28864 10 2 0x80004000 [ 178.699256][ C0] Call Trace: [ 178.702539][ C0] __schedule+0x9a0/0xcc0 [ 178.706865][ C0] schedule+0x181/0x210 [ 178.711013][ C0] schedule_timeout+0x14f/0x240 [ 178.715852][ C0] ? run_local_timers+0x120/0x120 [ 178.720866][ C0] rcu_gp_kthread+0xed8/0x1770 [ 178.725629][ C0] kthread+0x332/0x350 [ 178.729682][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 178.734784][ C0] ? kthread_blkcg+0xe0/0xe0 [ 178.739362][ C0] ret_from_fork+0x24/0x30 [ 178.743785][ C0] NMI backtrace for cpu 0 [ 178.748101][ C0] CPU: 0 PID: 8677 Comm: syz-executor.5 Not tainted 5.5.0-rc5-syzkaller #0 [ 178.756663][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.766705][ C0] Call Trace: [ 178.769977][ C0] [ 178.772820][ C0] dump_stack+0x1fb/0x318 [ 178.777141][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 178.781979][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 178.788314][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 178.794365][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 178.800334][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 178.806211][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 178.811318][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 178.816514][ C0] ? trace_hardirqs_off+0x74/0x80 [ 178.821532][ C0] update_process_times+0x12d/0x180 [ 178.826726][ C0] tick_sched_timer+0x263/0x420 [ 178.831567][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 178.837136][ C0] __hrtimer_run_queues+0x403/0x840 [ 178.842359][ C0] hrtimer_interrupt+0x38c/0xda0 [ 178.847310][ C0] ? debug_smp_processor_id+0x9/0x20 [ 178.852590][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 178.858138][ C0] apic_timer_interrupt+0xf/0x20 [ 178.863074][ C0] [ 178.866002][ C0] RIP: 0010:mod_memcg_page_state+0xb/0x190 [ 178.871799][ C0] Code: eb 27 2e 00 eb 05 e8 e4 27 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 54 53 <41> 89 f6 48 89 fb e8 ba 27 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 03 [ 178.891588][ C0] RSP: 0018:ffffc900021574f8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 178.899994][ C0] RAX: 1ffff11012d52db1 RBX: ffff888096a96d88 RCX: 0000000000000000 [ 178.907953][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00022f8780 [ 178.916000][ C0] RBP: ffffc90002157518 R08: 000000000003a728 R09: ffffed1013ec2b31 [ 178.923957][ C0] R10: ffffed1013ec2b31 R11: 0000000000000000 R12: ffff888096a96e20 [ 178.931928][ C0] R13: dffffc0000000000 R14: 1ffff11012d52dc4 R15: ffff88809f615978 [ 178.939916][ C0] free_thread_stack+0x168/0x590 [ 178.944847][ C0] put_task_stack+0xa3/0x130 [ 178.949446][ C0] finish_task_switch+0x3f1/0x550 [ 178.954466][ C0] __schedule+0x9a8/0xcc0 [ 178.958790][ C0] ? ___preempt_schedule+0x16/0x18 [ 178.963905][ C0] preempt_schedule+0xdb/0x120 [ 178.968672][ C0] ___preempt_schedule+0x16/0x18 [ 178.973601][ C0] try_to_wake_up+0xe78/0x1050 [ 178.978358][ C0] ? do_raw_spin_unlock+0x142/0x950 [ 178.983545][ C0] wake_up_q+0x8c/0xe0 [ 178.987635][ C0] __mutex_unlock_slowpath+0x586/0x5b0 [ 178.993097][ C0] mutex_unlock+0xd/0x10 [ 178.997335][ C0] __rtnl_unlock+0x2c/0xa0 [ 179.001741][ C0] netdev_run_todo+0xe5/0xe10 [ 179.006423][ C0] rtnetlink_rcv_msg+0x890/0xd40 [ 179.011375][ C0] ? rcu_lock_release+0x9/0x30 [ 179.016130][ C0] ? rcu_lock_release+0x9/0x30 [ 179.020890][ C0] ? rcu_lock_release+0x9/0x30 [ 179.025648][ C0] netlink_rcv_skb+0x19e/0x3d0 [ 179.030399][ C0] ? rtnetlink_bind+0x80/0x80 [ 179.035072][ C0] rtnetlink_rcv+0x1c/0x20 [ 179.039478][ C0] netlink_unicast+0x767/0x920 [ 179.044240][ C0] netlink_sendmsg+0xa31/0xd50 [ 179.048998][ C0] ? netlink_getsockopt+0x9f0/0x9f0 [ 179.054190][ C0] __sys_sendto+0x442/0x5e0 [ 179.058691][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 179.064757][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 179.070467][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 179.075920][ C0] __x64_sys_sendto+0xe5/0x100 [ 179.080710][ C0] do_syscall_64+0xf7/0x1c0 [ 179.085217][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 179.091103][ C0] RIP: 0033:0x414c43 [ 179.094999][ C0] Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 2d 38 66 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff [ 179.114600][ C0] RSP: 002b:00007fffe7915ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 179.123168][ C0] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414c43 [ 179.131136][ C0] RDX: 000000000000002c RSI: 0000000000a72250 RDI: 0000000000000003 [ 179.139100][ C0] RBP: 0000000000000000 R08: 00007fffe7915af0 R09: 000000000000000c [ 179.147192][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 179.155170][ C0] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003