[ 41.620681][ T23] audit: type=1800 audit(1575357810.180:27): pid=7894 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.641723][ T23] audit: type=1800 audit(1575357810.180:28): pid=7894 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 42.338323][ T23] audit: type=1800 audit(1575357810.960:29): pid=7894 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 42.357565][ T23] audit: type=1800 audit(1575357810.960:30): pid=7894 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.210' (ECDSA) to the list of known hosts. 2019/12/03 07:23:37 fuzzer started 2019/12/03 07:23:39 dialing manager at 10.128.0.26:38907 2019/12/03 07:23:39 syscalls: 2697 2019/12/03 07:23:39 code coverage: enabled 2019/12/03 07:23:39 comparison tracing: enabled 2019/12/03 07:23:39 extra coverage: extra coverage is not supported by the kernel 2019/12/03 07:23:39 setuid sandbox: enabled 2019/12/03 07:23:39 namespace sandbox: enabled 2019/12/03 07:23:39 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 07:23:39 fault injection: enabled 2019/12/03 07:23:39 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 07:23:39 net packet injection: enabled 2019/12/03 07:23:39 net device setup: enabled 2019/12/03 07:23:39 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 07:23:39 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:23:40 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCGLCKTRMIOS(r0, 0x80047456, 0x0) 07:23:40 executing program 1: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f00000001c0)={0x26, 'hash\x00', 0x0, 0x0, 'rmd320-generic\x00'}, 0x58) r3 = accept4(r2, 0x0, 0x0, 0x0) sendmmsg$unix(r3, &(0x7f0000001300)=[{&(0x7f0000000980)=@file={0x0, './file0/file0\x00'}, 0x6e, &(0x7f0000000dc0), 0x8a, &(0x7f0000000e40)}], 0x8d9, 0x0) syzkaller login: [ 52.280224][ T8061] IPVS: ftp: loaded support on port[0] = 21 [ 52.400346][ T8061] chnl_net:caif_netlink_parms(): no params data found [ 52.435682][ T8064] IPVS: ftp: loaded support on port[0] = 21 [ 52.471784][ T8061] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.480920][ T8061] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.490786][ T8061] device bridge_slave_0 entered promiscuous mode [ 52.504976][ T8061] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.512655][ T8061] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.520435][ T8061] device bridge_slave_1 entered promiscuous mode [ 52.548366][ T8061] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.559872][ T8061] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.586711][ T8061] team0: Port device team_slave_0 added 07:23:41 executing program 2: ioctl$PPPIOCGDEBUG(0xffffffffffffffff, 0x80047441, 0x0) getsockopt$EBT_SO_GET_INFO(0xffffffffffffffff, 0x0, 0x80, 0x0, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$EVIOCGBITSW(0xffffffffffffffff, 0x80404525, 0x0) openat$vsock(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vsock\x00', 0x200, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x7}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_ADD_BUFS(0xffffffffffffffff, 0xc0206416, 0x0) timer_create(0x0, 0x0, 0x0) unshare(0x40000000) [ 52.595092][ T8061] team0: Port device team_slave_1 added [ 52.705872][ T8061] device hsr_slave_0 entered promiscuous mode 07:23:41 executing program 3: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e23}, 0x1c) listen(r0, 0x5eb857) socket$inet_dccp(0x2, 0x6, 0x0) r1 = openat$vsock(0xffffffffffffff9c, &(0x7f0000001740)='/dev/vsock\x00', 0x0, 0x0) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000040)=0x7) ioctl$TIOCSLCKTRMIOS(r2, 0x5433, 0x0) ioctl$TCGETX(r2, 0x5432, &(0x7f0000001780)) r3 = perf_event_open(&(0x7f0000000240)={0x1, 0x70, 0x0, 0x0, 0x4000000000, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x8000000000, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x10000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000, 0x0, 0x0, 0x0, 0x1, 0x0, @perf_config_ext={0x8}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, r3, 0x0) r4 = syz_open_dev$sndseq(&(0x7f00000002c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r4, 0xc0a85320, &(0x7f0000000080)={{0x80}, 'port0\x00'}) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r4, 0x40505331, &(0x7f0000000140)={{}, {0x20000000000080}, 0x0, 0x0, 0x0, [], [0x0, 0x0, 0x0, 0x300000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfdfdffff]}) openat$full(0xffffffffffffff9c, &(0x7f0000000140)='/dev/full\x00', 0x80000, 0x0) ioctl$TCSBRK(0xffffffffffffffff, 0x5409, 0xfffffffffffffc00) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000000)={&(0x7f0000007000/0x3000)=nil, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000002000/0x3000)=nil, &(0x7f0000003000/0x2000)=nil, &(0x7f0000007000/0x3000)=nil, &(0x7f0000008000/0x4000)=nil, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ffc000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000009000/0x1000)=nil, &(0x7f0000fff000/0x1000)=nil, 0x0, 0x36a}, 0x68) r5 = syz_open_dev$mouse(&(0x7f00000001c0)='/dev/input/mouse#\x00', 0x1, 0x101082) readlinkat(r5, &(0x7f0000000200)='./file0\x00', &(0x7f00000004c0)=""/69, 0x45) r6 = inotify_init1(0x0) fcntl$setown(r6, 0x8, 0xffffffffffffffff) fcntl$getownex(r6, 0x10, &(0x7f0000000100)={0x0, 0x0}) clone(0x2000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) process_vm_readv(r7, &(0x7f0000000380)=[{&(0x7f0000000340)=""/61, 0x3d}], 0x1, &(0x7f0000002540)=[{&(0x7f00000003c0)=""/63, 0x7ffff002}], 0x2, 0x0) read$usbmon(r1, &(0x7f0000000400)=""/183, 0xb7) [ 52.752252][ T8061] device hsr_slave_1 entered promiscuous mode [ 52.826317][ T8066] IPVS: ftp: loaded support on port[0] = 21 [ 52.939478][ T8064] chnl_net:caif_netlink_parms(): no params data found [ 52.948743][ T8061] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.963377][ T8069] IPVS: ftp: loaded support on port[0] = 21 07:23:41 executing program 4: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000040)={'ifb0\x00', 0xffffbffffffffffd}) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000340)={'ifb0\x00\x03\x00`\x00'}) [ 53.015364][ T8061] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.086958][ T8061] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.133901][ T8061] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.222450][ T8064] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.233851][ T8064] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.247223][ T8064] device bridge_slave_0 entered promiscuous mode [ 53.258762][ T8064] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.266609][ T8064] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.276523][ T8064] device bridge_slave_1 entered promiscuous mode [ 53.303024][ T8072] IPVS: ftp: loaded support on port[0] = 21 07:23:41 executing program 5: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000180)={0x0, 0x18, 0xfa00, {0x0, 0xfffffffffffffffd, 0x2}}, 0x20) [ 53.322821][ T8061] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.330024][ T8061] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.337572][ T8061] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.344620][ T8061] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.438182][ T8064] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.454023][ T8064] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.478697][ T3158] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.497523][ T3158] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.521427][ T8064] team0: Port device team_slave_0 added [ 53.553971][ T8076] IPVS: ftp: loaded support on port[0] = 21 [ 53.566522][ T8064] team0: Port device team_slave_1 added [ 53.572906][ T8066] chnl_net:caif_netlink_parms(): no params data found [ 53.644612][ T8064] device hsr_slave_0 entered promiscuous mode [ 53.682206][ T8064] device hsr_slave_1 entered promiscuous mode [ 53.721971][ T8064] debugfs: Directory 'hsr0' with parent '/' already present! [ 53.759021][ T8069] chnl_net:caif_netlink_parms(): no params data found [ 53.805691][ T8066] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.814148][ T8066] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.821630][ T8066] device bridge_slave_0 entered promiscuous mode [ 53.838420][ T8069] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.845915][ T8069] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.854431][ T8069] device bridge_slave_0 entered promiscuous mode [ 53.863390][ T8066] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.870553][ T8066] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.879150][ T8066] device bridge_slave_1 entered promiscuous mode [ 53.898592][ T8066] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.913139][ T8066] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.922732][ T8069] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.929821][ T8069] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.937808][ T8069] device bridge_slave_1 entered promiscuous mode [ 53.971143][ T8069] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.982530][ T8069] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.010150][ T8064] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 54.074945][ T8069] team0: Port device team_slave_0 added [ 54.095009][ T8066] team0: Port device team_slave_0 added [ 54.100797][ T8064] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 54.157035][ T8069] team0: Port device team_slave_1 added [ 54.163892][ T8072] chnl_net:caif_netlink_parms(): no params data found [ 54.175123][ T8066] team0: Port device team_slave_1 added [ 54.186580][ T8064] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 54.246716][ T8064] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 54.327950][ T8061] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.414461][ T8069] device hsr_slave_0 entered promiscuous mode [ 54.452241][ T8069] device hsr_slave_1 entered promiscuous mode [ 54.491933][ T8069] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.508005][ T8061] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.525442][ T8072] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.533108][ T8072] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.540666][ T8072] device bridge_slave_0 entered promiscuous mode [ 54.551742][ T8072] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.558906][ T8072] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.568142][ T8072] device bridge_slave_1 entered promiscuous mode [ 54.580352][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.588805][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.634033][ T8066] device hsr_slave_0 entered promiscuous mode [ 54.662169][ T8066] device hsr_slave_1 entered promiscuous mode [ 54.722283][ T8066] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.741543][ T8076] chnl_net:caif_netlink_parms(): no params data found [ 54.754562][ T8073] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.763914][ T8073] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.772679][ T8073] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.779785][ T8073] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.801697][ T8069] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 54.836965][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.845876][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.854764][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.861874][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.870676][ T8072] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.882675][ T8072] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.902714][ T8069] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 54.945981][ T8069] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 55.000240][ T8071] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.021951][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.030830][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.039361][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.047946][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.057302][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.065707][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.074008][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.082265][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.090388][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.099426][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.111997][ T8069] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 55.159963][ T8061] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.175011][ T8072] team0: Port device team_slave_0 added [ 55.183632][ T8072] team0: Port device team_slave_1 added [ 55.224722][ T8072] device hsr_slave_0 entered promiscuous mode [ 55.262269][ T8072] device hsr_slave_1 entered promiscuous mode [ 55.301989][ T8072] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.320644][ T8076] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.328627][ T8076] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.336680][ T8076] device bridge_slave_0 entered promiscuous mode [ 55.349092][ T8066] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 55.394458][ T8076] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.401531][ T8076] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.411069][ T8076] device bridge_slave_1 entered promiscuous mode [ 55.424253][ T8064] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.450078][ T8066] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 55.484154][ T8066] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 55.530732][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.538226][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.552800][ T8072] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 55.586577][ T8061] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.600823][ T8066] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 55.643523][ T8081] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.651139][ T8081] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.663326][ T8064] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.672580][ T8072] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 55.719386][ T8072] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 55.768972][ T8076] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.783768][ T8072] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 55.826093][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.835601][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.855936][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.863057][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.903367][ T8076] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.938081][ T8076] team0: Port device team_slave_0 added [ 55.946106][ T8076] team0: Port device team_slave_1 added [ 56.024590][ T8066] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.069591][ T8077] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.078240][ T8077] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.092895][ T8077] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.101369][ T8077] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.108461][ T8077] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.122870][ T8077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.131475][ T8077] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.146001][ T8077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.156975][ T8077] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.171185][ T8077] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.186085][ T8077] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.196460][ T8077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.209348][ T8077] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 160.871824][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 160.878594][ C1] rcu: 1-...!: (10499 ticks this GP) idle=b12/1/0x4000000000000002 softirq=10254/10254 fqs=41 [ 160.889146][ C1] (t=10500 jiffies g=5993 q=645) [ 160.894160][ C1] rcu: rcu_preempt kthread starved for 10415 jiffies! g5993 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 160.905242][ C1] rcu: RCU grace-period kthread stack dump: [ 160.911117][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 160.919008][ C1] Call Trace: [ 160.922290][ C1] __schedule+0x9a0/0xcc0 [ 160.926620][ C1] schedule+0x181/0x210 [ 160.930768][ C1] schedule_timeout+0x14f/0x240 [ 160.935606][ C1] ? run_local_timers+0x120/0x120 [ 160.940622][ C1] rcu_gp_kthread+0xed8/0x1770 [ 160.945385][ C1] kthread+0x332/0x350 [ 160.949440][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 160.954563][ C1] ? kthread_blkcg+0xe0/0xe0 [ 160.959163][ C1] ret_from_fork+0x24/0x30 [ 160.963585][ C1] NMI backtrace for cpu 1 [ 160.967906][ C1] CPU: 1 PID: 8084 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 160.976143][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 160.986183][ C1] Call Trace: [ 160.989451][ C1] [ 160.992298][ C1] dump_stack+0x1fb/0x318 [ 160.996617][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 161.001453][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 161.007609][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 161.013670][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 161.019641][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 161.025522][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 161.030630][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 161.035819][ C1] ? trace_hardirqs_off+0x74/0x80 [ 161.040833][ C1] update_process_times+0x12d/0x180 [ 161.046023][ C1] tick_sched_timer+0x263/0x420 [ 161.050861][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 161.056394][ C1] __hrtimer_run_queues+0x403/0x840 [ 161.061594][ C1] hrtimer_interrupt+0x38c/0xda0 [ 161.066537][ C1] ? debug_smp_processor_id+0x9/0x20 [ 161.071813][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 161.077343][ C1] apic_timer_interrupt+0xf/0x20 [ 161.082262][ C1] [ 161.085189][ C1] RIP: 0010:mod_memcg_page_state+0x3d/0x190 [ 161.091067][ C1] Code: 28 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 80 3c 20 00 74 08 48 89 df e8 b6 9f 69 00 48 8b 1b <48> 85 db 0f 84 d8 00 00 00 48 c7 c0 20 96 0a 89 48 c1 e8 03 42 80 [ 161.110665][ C1] RSP: 0018:ffffc900024d7588 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 161.119062][ C1] RAX: 1ffffd400051c73f RBX: 0000000000000000 RCX: 0000000000040000 [ 161.127019][ C1] RDX: ffffc90001f89000 RSI: 000000000003ffff RDI: 0000000000040000 [ 161.134976][ C1] RBP: ffffc900024d75a8 R08: 000000000003a768 R09: ffffed101306eeb7 [ 161.142933][ C1] R10: ffffed101306eeb7 R11: 0000000000000000 R12: dffffc0000000000 [ 161.150890][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880983775a8 [ 161.158880][ C1] ? mod_memcg_page_state+0x16/0x190 [ 161.164172][ C1] free_thread_stack+0x168/0x590 [ 161.169097][ C1] put_task_stack+0xa3/0x130 [ 161.173681][ C1] finish_task_switch+0x3f1/0x550 [ 161.178706][ C1] __schedule+0x9a8/0xcc0 [ 161.183034][ C1] preempt_schedule_irq+0xc1/0x140 [ 161.188131][ C1] retint_kernel+0x1b/0x2b [ 161.192532][ C1] RIP: 0010:kmem_cache_alloc_trace+0x1ad/0x2f0 [ 161.198669][ C1] Code: 8b 7d d0 57 9d 0f 1f 44 00 00 e8 3e aa ca ff eb 1e e8 d7 a7 ca ff 48 83 3d 37 09 59 07 00 0f 84 45 01 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 41 0f 18 0e e9 21 00 00 00 89 d8 c1 e8 08 83 e0 01 [ 161.218351][ C1] RSP: 0018:ffffc900024d7800 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff02 [ 161.226748][ C1] RAX: ffff88806c7e48d4 RBX: 0000000000000dc0 RCX: ffffffff815c0597 [ 161.234705][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000286 [ 161.242686][ C1] RBP: ffffc900024d7840 R08: ffff88806c7e4898 R09: fffffbfff13c852d [ 161.250642][ C1] R10: fffffbfff13c852d R11: 0000000000000000 R12: 0000000000000dc0 [ 161.258596][ C1] R13: ffff8880aa800e00 R14: ffff8880985b2000 R15: ffff8880aa800e00 [ 161.266561][ C1] ? mark_lock+0x107/0x1650 [ 161.271053][ C1] ? alloc_tty_struct+0x67/0x730 [ 161.275979][ C1] alloc_tty_struct+0x67/0x730 [ 161.280733][ C1] ? kmem_cache_alloc_trace+0x23a/0x2f0 [ 161.286281][ C1] ? pty_common_install+0xe3/0x690 [ 161.291379][ C1] pty_common_install+0x189/0x690 [ 161.296394][ C1] pty_unix98_install+0x1f/0x30 [ 161.301230][ C1] tty_init_dev+0xd0/0x500 [ 161.305637][ C1] ptmx_open+0xda/0x2d0 [ 161.309780][ C1] chrdev_open+0x509/0x590 [ 161.314180][ C1] ? security_file_open+0x236/0x2f0 [ 161.319361][ C1] ? cd_forget+0x160/0x160 [ 161.323765][ C1] do_dentry_open+0x740/0x10c0 [ 161.328525][ C1] vfs_open+0x73/0x80 [ 161.332509][ C1] path_openat+0x1397/0x44a0 [ 161.337084][ C1] ? __kasan_kmalloc+0x178/0x1b0 [ 161.342045][ C1] do_filp_open+0x192/0x3d0 [ 161.346554][ C1] do_sys_open+0x29f/0x560 [ 161.350959][ C1] __x64_sys_openat+0xa2/0xb0 [ 161.355625][ C1] do_syscall_64+0xf7/0x1c0 [ 161.360113][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 161.365990][ C1] RIP: 0033:0x45a679 [ 161.369872][ C1] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 161.389463][ C1] RSP: 002b:00007f3925336c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 161.397858][ C1] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045a679 [ 161.405903][ C1] RDX: 0000000000000000 RSI: 0000000020000000 RDI: ffffffffffffff9c [ 161.413861][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 161.421829][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f39253376d4 [ 161.429804][ C1] R13: 00000000004c7edc R14: 00000000004df0e0 R15: 00000000ffffffff