[ 42.612375][ T25] audit: type=1800 audit(1575388931.666:27): pid=7946 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.673603][ T25] audit: type=1800 audit(1575388931.676:28): pid=7946 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. [ 43.154635][ T8013] sshd (8013) used greatest stack depth: 23416 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 43.558655][ T25] audit: type=1800 audit(1575388932.666:29): pid=7946 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.33' (ECDSA) to the list of known hosts. 2019/12/03 16:02:23 fuzzer started 2019/12/03 16:02:25 dialing manager at 10.128.0.26:45711 2019/12/03 16:02:25 syscalls: 2689 2019/12/03 16:02:25 code coverage: enabled 2019/12/03 16:02:25 comparison tracing: enabled 2019/12/03 16:02:25 extra coverage: extra coverage is not supported by the kernel 2019/12/03 16:02:25 setuid sandbox: enabled 2019/12/03 16:02:25 namespace sandbox: enabled 2019/12/03 16:02:25 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 16:02:25 fault injection: enabled 2019/12/03 16:02:25 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 16:02:25 net packet injection: enabled 2019/12/03 16:02:25 net device setup: enabled 2019/12/03 16:02:25 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 16:02:25 devlink PCI setup: PCI device 0000:00:10.0 is not available 16:02:26 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800a1695e1dcfe87b1071") unshare(0x400) r1 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x0) lseek(r1, 0x3, 0x0) 16:02:26 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0x1b6) setresuid(0x0, r2, 0xee00) r3 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$PERF_EVENT_IOC_SET_FILTER(r3, 0x8914, &(0x7f0000000c40)='nr0\x01\x00`\xa1\x9e\xf9\xd2\xc6#\xd9\xa1W\x1c\xb96\x9b\xcda\xef~Iy:\xe1\x87\x12\xec\x97\x80\xe9\xa1S\f\xc7?\xa6\x95I\v\x7f\xbb\xd3[\x17\f\x10u\x1d9\xae\xb6`\xd8c\xe4\x9b\x8cO;=\xadH\x90+[-l\xfd\n\xbd7,c\xbc\xf5\xd7\r\xf3\xfdM.\x8dD<\x88\xbc\x0eV7\xdd\x82\xfc45\xbe\xd4\xde]i<\x9ax\x1c\x86>\x05\xd8\xa6\xf8h\x9a[\xe2\x92\x16\x06\x1f?\xf5?\x8bk9fx\xe7\xba\x15^\xf9\x15-~\xff\xff\x00\x00#1\xeb\x8e\xb1\xedU\x86\xdc\xf8\xd5\x1b\xca\xa9\xc7[\xa2\xef\xacM\xb3\xb0\xb9\x996\x1aD\xff,\"\xc2\xab\xbe\xf4-\xd2N\xab\xe6r3F\xa6\xe4l\x04\x99\xa2\x14B\xd8\xd0\r\xcbW\xf0\x13\xffu\x95\xed\xd0\xff\ai0\xde6u\xd3A\x17\xa4N\xb0\xe4\xf82\x93m\xa4NW\xe4:>6\xbdH\xd2\xa8[\xf4\xfdJ\x80N\x83\xf2\xf3\xcf7\x8aCZ\xf5\xe2\x87\xd4\xe2s7\xb4\xad\xa1\x1b&!\x982\xeck+8Dk;\x95\xfe7q\xe9\xf4,\xa3\x0f\xb2\x1e\x12\xf0\xa3\xd8\xbc-\x85EJ\xf9\xfc\xc0#-\x8f\xd9\tD\x8b\x01\xf4lY=1\xea\x1c\x92de\xe3ZA\x99\a\x9c<\xb4\x11(\xb1|\xb0\x1f\xbf[R+\xe0\xfd\x02\x02*\xda7\xfe\xcc\x14\xb6\xc8\xc8\x83\x18\x83\xb8Z\x11\x06\xf2\xf8g\x02\x04R\x9f\x17\xa3P\xf2\r\xd3\xbfQ\xa9\x8c\xfd\xa7\f.68\xa4\x83\xafh_\x9c\x91\xc1q_|L\x11\x03\x94\xc0\t=\x17\x95P\xd7\xcdH\x1c8^ARL\x9b\x1f\xf6P\rSj\x95\xd9o\x03\xd4\x85\x96\xe0\b\xbf\n\x02\x8bS\x9c\xecyl\xec\x13\x82Rk\x9cAz\xab\rT\xadLO\f\x17Y\x1dg\x10\xe3LL\x1fC\xfa\xd9\xb0\xfb\xb4\xf3[\xdf\xd0\xd6\x82\xf6~0\xb8\xf4\xb0X\xfew\xbdY\n\xd6\x105\x9c\xb7\xe5F\xc1:9\xb8\xc2\x85\b\xfd\x92\xb0k\x93\xd7\xc40J\xc2\xf0=p\xd6\xe3\xe4W:\xd2\xf6\xfc\x83\xb1\xcb\xd1K\xb9(\"9(~\xf4\xf4\x94`\xe8\xdb\x17\xf9\xcf#)T\xcdj^\xa61\x12\x91 \xd7\x92\xc0\xd0s\xa9\xe4\x18:') syzkaller login: [ 57.710996][ T8109] IPVS: ftp: loaded support on port[0] = 21 [ 57.868675][ T8109] chnl_net:caif_netlink_parms(): no params data found 16:02:27 executing program 2: perf_event_open(&(0x7f0000000180)={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) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0xf, 0x0, 0x0) getpeername(0xffffffffffffffff, &(0x7f0000000200)=@in6={0xa, 0x0, 0x0, @remote}, &(0x7f0000000140)=0x80) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$FS_IOC_RESVSP(0xffffffffffffffff, 0x40305828, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x3a5e9731}) setsockopt$inet_sctp_SCTP_HMAC_IDENT(r0, 0x84, 0x14, 0x0, 0x0) creat(&(0x7f0000000180)='./bus\x00', 0x0) getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, 0x0, &(0x7f0000000580)) r1 = perf_event_open(&(0x7f0000000180)={0x1, 0x70, 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, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cpuacct.usage_sys\x00\xc7\xec\xac\xd9&{\x0f\x96\xad\xd1\x8fl![\x8f\xb9\f\xca\x1d\xc2{\xee\xb7\x03K\x0f\xa6\xaa;\xf6\x89\xf7b^\xa5\xafI\r\xc4\x9f\v\xf2\x1c\xdc\xddp2\xb7\xbb\x1b\xfev\xea\xed\xe0\xaa\xe8\xceR`\xbb\xf2\xed;pC\x19\xbfn\x16\xaa\x199\xfe.Q\xebvB\xd2\x19&l?\x87\x17H\x1f.\xdbA\x1b\xafz\xe3\xdc};*\xec\xfe\xfa\xfb/\x18g\x80y\xfe\x89', 0x26e1, 0x0) close(r1) close(r2) socketpair$tipc(0x1e, 0x1, 0x0, &(0x7f0000000040)) write$cgroup_type(r2, &(0x7f0000000080)='threaded\x00', 0xfffffc61) close(0xffffffffffffffff) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmsg(r1, &(0x7f0000000140)={0x0, 0x2d7, &(0x7f0000000000)=[{&(0x7f00000000c0)=""/110, 0x2000012e}], 0x1, 0x0, 0xd01}, 0x0) prctl$PR_GET_NO_NEW_PRIVS(0x27) syz_open_procfs(0xffffffffffffffff, 0x0) [ 57.912719][ T8112] IPVS: ftp: loaded support on port[0] = 21 [ 57.952625][ T8109] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.965882][ T8109] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.975226][ T8109] device bridge_slave_0 entered promiscuous mode [ 57.998319][ T8109] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.005683][ T8109] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.013487][ T8109] device bridge_slave_1 entered promiscuous mode [ 58.061030][ T8109] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.108791][ T8109] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 16:02:27 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCPKT(r0, 0x5420, 0x0) [ 58.164014][ T8112] chnl_net:caif_netlink_parms(): no params data found [ 58.188717][ T8109] team0: Port device team_slave_0 added [ 58.196566][ T8109] team0: Port device team_slave_1 added [ 58.242300][ T8115] IPVS: ftp: loaded support on port[0] = 21 [ 58.296759][ T8109] device hsr_slave_0 entered promiscuous mode [ 58.335281][ T8109] device hsr_slave_1 entered promiscuous mode 16:02:27 executing program 4: r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xffffffffffffefff}, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) r2 = socket(0x200000000000011, 0x4000000000080002, 0x8) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'sit0\x00', 0x0}) bind$packet(r2, &(0x7f0000000040)={0x11, 0x0, r3}, 0x14) sendto$inet6(r2, &(0x7f0000000240)="45000089d8c48f138fae6bffa5dc69130729637d", 0x14, 0x0, 0x0, 0x0) [ 58.454881][ T8112] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.462014][ T8112] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.475363][ T8112] device bridge_slave_0 entered promiscuous mode [ 58.495350][ T8112] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.502423][ T8112] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.526269][ T8112] device bridge_slave_1 entered promiscuous mode [ 58.577064][ T8117] IPVS: ftp: loaded support on port[0] = 21 [ 58.618357][ T8112] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.637100][ T8112] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.651908][ T8119] IPVS: ftp: loaded support on port[0] = 21 16:02:27 executing program 5: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_mount_image$gfs2(&(0x7f0000000180)='gfs2\x00', &(0x7f00000001c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000480)={[{@quota_quantum={'quota_quantum'}}]}) [ 58.740569][ T8112] team0: Port device team_slave_0 added [ 58.763384][ T8112] team0: Port device team_slave_1 added [ 58.775003][ T8115] chnl_net:caif_netlink_parms(): no params data found [ 58.788448][ T8109] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.845896][ T8109] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.885990][ T8109] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.958154][ T8109] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.019522][ T8122] IPVS: ftp: loaded support on port[0] = 21 [ 59.019810][ T8109] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.032555][ T8109] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.040207][ T8109] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.047302][ T8109] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.058754][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.067697][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.145968][ T8112] device hsr_slave_0 entered promiscuous mode [ 59.184599][ T8112] device hsr_slave_1 entered promiscuous mode [ 59.224466][ T8112] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.310634][ T8117] chnl_net:caif_netlink_parms(): no params data found [ 59.321096][ T8115] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.328735][ T8115] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.336701][ T8115] device bridge_slave_0 entered promiscuous mode [ 59.383986][ T8115] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.391358][ T8115] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.398934][ T8115] device bridge_slave_1 entered promiscuous mode [ 59.416858][ T8109] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.434245][ T8112] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.480567][ T8112] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.531149][ T8112] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.582835][ T8119] chnl_net:caif_netlink_parms(): no params data found [ 59.594085][ T8115] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.605934][ T8115] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.617106][ T8123] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.626449][ T8123] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.637786][ T8112] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.707875][ T8109] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.720382][ T8117] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.728248][ T8117] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.737118][ T8117] device bridge_slave_0 entered promiscuous mode [ 59.747292][ T8117] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.754384][ T8117] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.761843][ T8117] device bridge_slave_1 entered promiscuous mode [ 59.808193][ T8115] team0: Port device team_slave_0 added [ 59.815393][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.823855][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.832196][ T8127] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.839413][ T8127] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.848111][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.856669][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.864994][ T8127] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.872018][ T8127] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.889723][ T8117] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.902800][ T8117] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.917002][ T8119] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.924041][ T8119] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.933889][ T8119] device bridge_slave_0 entered promiscuous mode [ 59.942324][ T8115] team0: Port device team_slave_1 added [ 59.970754][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.987056][ T8119] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.994099][ T8119] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.002685][ T8119] device bridge_slave_1 entered promiscuous mode [ 60.045943][ T8115] device hsr_slave_0 entered promiscuous mode [ 60.084652][ T8115] device hsr_slave_1 entered promiscuous mode [ 60.134351][ T8115] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.148314][ T8117] team0: Port device team_slave_0 added [ 60.161210][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.190107][ T8117] team0: Port device team_slave_1 added [ 60.200589][ T8122] chnl_net:caif_netlink_parms(): no params data found [ 60.209594][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.219247][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.227626][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.235962][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.244273][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.262961][ T8119] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.286005][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.295027][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.315314][ T8115] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.366909][ T8119] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.395264][ T3684] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.403555][ T3684] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.413761][ T8109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.426254][ T8115] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.461192][ T8115] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.498626][ T8122] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.506013][ T8122] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.513739][ T8122] device bridge_slave_0 entered promiscuous mode [ 60.555854][ T8117] device hsr_slave_0 entered promiscuous mode [ 60.614558][ T8117] device hsr_slave_1 entered promiscuous mode [ 60.664482][ T8117] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.686531][ T8115] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.730851][ T8122] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.738392][ T8122] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.746504][ T8122] device bridge_slave_1 entered promiscuous mode [ 60.767241][ T8119] team0: Port device team_slave_0 added [ 60.789985][ T8112] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.800842][ T8119] team0: Port device team_slave_1 added [ 60.811206][ T8117] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.861956][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.869689][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.882860][ T8112] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.897608][ T8122] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.910637][ T8109] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.919329][ T8117] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.966324][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.973944][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.994602][ T8122] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.005797][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.014409][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.022755][ T8127] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.029834][ T8127] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.037855][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.046850][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.055243][ T8127] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.062289][ T8127] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.069973][ T8127] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.079233][ T8129] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.088304][ T8117] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.136079][ T8117] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.227230][ T8119] device hsr_slave_0 entered promiscuous mode [ 61.285239][ T8119] device hsr_slave_1 entered promiscuous mode [ 61.314347][ T8119] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.332776][ T8122] team0: Port device team_slave_0 added [ 61.341417][ T8129] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.350860][ T8129] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.361571][ T8129] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.376772][ T8129] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.407369][ T8122] team0: Port device team_slave_1 added [ 61.413099][ T3684] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.422059][ T3684] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.463474][ T8112] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.476509][ T8112] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.501339][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.510004][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.519070][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.533157][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.584994][ T8112] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 166.594163][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.600910][ C0] rcu: 0-...!: (1 GPs behind) idle=04a/1/0x4000000000000002 softirq=10578/10579 fqs=37 [ 166.610833][ C0] (t=10501 jiffies g=6317 q=279) [ 166.615844][ C0] rcu: rcu_preempt kthread starved for 10428 jiffies! g6317 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 166.627093][ C0] rcu: RCU grace-period kthread stack dump: [ 166.632964][ C0] rcu_preempt I29032 10 2 0x80004000 [ 166.639279][ C0] Call Trace: [ 166.642555][ C0] __schedule+0x9a0/0xcc0 [ 166.646881][ C0] schedule+0x181/0x210 [ 166.651024][ C0] schedule_timeout+0x14f/0x240 [ 166.655858][ C0] ? run_local_timers+0x120/0x120 [ 166.660870][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.665631][ C0] kthread+0x332/0x350 [ 166.669697][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.674793][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.679367][ C0] ret_from_fork+0x24/0x30 [ 166.683812][ C0] NMI backtrace for cpu 0 [ 166.688131][ C0] CPU: 0 PID: 8109 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 166.696346][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.706381][ C0] Call Trace: [ 166.709650][ C0] [ 166.712486][ C0] dump_stack+0x1fb/0x318 [ 166.716804][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.721635][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.727771][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.733822][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.739787][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.745665][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.750764][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.755949][ C0] ? trace_hardirqs_off+0x74/0x80 [ 166.760961][ C0] update_process_times+0x12d/0x180 [ 166.766144][ C0] tick_sched_timer+0x263/0x420 [ 166.770978][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.776506][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.781702][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.786639][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.791912][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.797441][ C0] apic_timer_interrupt+0xf/0x20 [ 166.802356][ C0] [ 166.805284][ C0] RIP: 0010:__memcg_kmem_uncharge+0x20c/0x2e0 [ 166.811335][ C0] Code: 76 7a bd 88 e8 65 db a4 ff 48 c7 c7 98 4b 0d 89 e8 59 97 00 00 bf 01 00 00 00 e8 2f e3 9b ff 65 8b 05 d4 fd 4a 7e 85 c0 74 53 <48> 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 49 8d 5f 10 48 89 df [ 166.830924][ C0] RSP: 0018:ffffc900022f7b90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.839406][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 166.847361][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00023611c0 [ 166.855319][ C0] RBP: ffffc900022f7bc0 R08: dffffc0000000000 R09: fffffbfff120248a [ 166.863283][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffffea00023611c0 [ 166.871267][ C0] R13: 1ffffd400046c23f R14: ffffea00023611f8 R15: 0000000000000000 [ 166.879255][ C0] ? free_thread_stack+0x124/0x590 [ 166.884359][ C0] free_thread_stack+0x12e/0x590 [ 166.889290][ C0] put_task_stack+0xa3/0x130 [ 166.893875][ C0] finish_task_switch+0x3f1/0x550 [ 166.898897][ C0] __schedule+0x9a8/0xcc0 [ 166.903223][ C0] schedule+0x181/0x210 [ 166.907369][ C0] do_nanosleep+0x1d0/0x6c0 [ 166.911876][ C0] hrtimer_nanosleep+0x3a6/0x5b0 [ 166.916804][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 166.922601][ C0] __x64_sys_nanosleep+0x186/0x1d0 [ 166.927702][ C0] do_syscall_64+0xf7/0x1c0 [ 166.932194][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.938071][ C0] RIP: 0033:0x458b20 [ 166.941963][ C0] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 11 fe 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 166.961563][ C0] RSP: 002b:00007ffc9b93a878 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 166.969957][ C0] RAX: ffffffffffffffda RBX: 000000000000f048 RCX: 0000000000458b20 [ 166.977913][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffc9b93a880 [ 166.985871][ C0] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000f2e940 [ 166.993827][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 167.001784][ C0] R13: 00007ffc9b93a8d0 R14: 000000000000f037 R15: 00007ffc9b93a8e0