[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.789149][ T27] audit: type=1800 audit(1578456585.879:25): pid=8311 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.827688][ T27] audit: type=1800 audit(1578456585.879:26): pid=8311 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.855914][ T27] audit: type=1800 audit(1578456585.879:27): pid=8311 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 '10.128.0.254' (ECDSA) to the list of known hosts. 2020/01/08 04:09:57 fuzzer started 2020/01/08 04:09:58 dialing manager at 10.128.0.26:35703 2020/01/08 04:09:58 syscalls: 2824 2020/01/08 04:09:58 code coverage: enabled 2020/01/08 04:09:58 comparison tracing: enabled 2020/01/08 04:09:58 extra coverage: enabled 2020/01/08 04:09:58 setuid sandbox: enabled 2020/01/08 04:09:58 namespace sandbox: enabled 2020/01/08 04:09:58 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 04:09:58 fault injection: enabled 2020/01/08 04:09:58 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 04:09:58 net packet injection: enabled 2020/01/08 04:09:58 net device setup: enabled 2020/01/08 04:09:58 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 04:09:58 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:09:59 executing program 0: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) close(r0) socket(0x22, 0x2, 0x4) io_setup(0x4, &(0x7f0000000140)=0x0) io_submit(r1, 0x1e09328e, &(0x7f0000000040)=[&(0x7f0000000000)={0x0, 0x0, 0x0, 0x1000800000000001, 0x0, r0, 0x0, 0x12f}]) 04:09:59 executing program 1: r0 = io_uring_setup(0xb55, &(0x7f0000000080)={0x0, 0x0, 0x2}) io_uring_enter(r0, 0x0, 0x0, 0x0, 0x0, 0x0) syzkaller login: [ 65.448476][ T8476] IPVS: ftp: loaded support on port[0] = 21 04:09:59 executing program 2: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount$bpf(0x20000000, &(0x7f00000000c0)='./file0\x00', 0x0, 0x2001001, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pivot_root(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00') r0 = socket$netlink(0x10, 0x3, 0x0) openat$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x10000, 0x4) lsetxattr$trusted_overlay_redirect(&(0x7f0000000080)='./file0\x00', &(0x7f00000001c0)='trusted.overlay.redirect\x00', 0x0, 0x0, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(0xffffffffffffffff, &(0x7f0000000100)={0x2, 0x4e20, @broadcast}, 0x10) setsockopt$sock_int(r1, 0x1, 0x3c, &(0x7f0000000440)=0x1, 0xffe6) sendmmsg$inet(r1, &(0x7f0000008f00)=[{{0x0, 0x0, &(0x7f0000002ec0)=[{&(0x7f0000000a00)="b9", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f00000038c0)=[{0x0}], 0x1}}], 0x2, 0x600d054) writev(r0, &(0x7f0000000040)=[{&(0x7f0000000180)="290000002000190f00003fffffffda060200000000e85500dd0000040d000600ea1102000005000000", 0x29}], 0x1) [ 65.530151][ T8478] IPVS: ftp: loaded support on port[0] = 21 [ 65.674248][ T8476] chnl_net:caif_netlink_parms(): no params data found [ 65.762192][ T8482] IPVS: ftp: loaded support on port[0] = 21 04:09:59 executing program 3: connect$inet6(0xffffffffffffffff, &(0x7f0000000540)={0xa, 0x0, 0x10000, @mcast1, 0x4}, 0x1c) connect$inet6(0xffffffffffffffff, &(0x7f0000000100)={0xa, 0x0, 0x0, @mcast2, 0x5}, 0x1c) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000080)={0x0, 0x382, &(0x7f0000000140)={0x0, 0xb7ff}}, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000001280)=ANY=[@ANYBLOB="340000010400"/20, @ANYRES32=r2, @ANYBLOB="0000000000000004140012000c00010062726964676500000300020092ab29e6bc90313f5c14a8d5d4534e466f18e765b4fd2a0e0ffabd5f884b8215627962f7a4aab6691329692afb3fdcc3e7378871f430fe0e63a139f8432b7c88d952fec2b4b0543063914575e89dce08917ef4c83982304f91f231dc1ecf62c4bf0541ff2b5060b6a4d69b9403"], 0x3}}, 0x0) sendmmsg(r0, 0x0, 0x0, 0x402441c) connect$inet6(0xffffffffffffffff, &(0x7f0000000100)={0xa, 0x4e20, 0x0, @mcast2, 0x8}, 0x1c) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x3b, 0x0, 0x0) sendmmsg(0xffffffffffffffff, &(0x7f00000092c0), 0x4ff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) open(&(0x7f00000004c0)='./bus\x00', 0x100, 0x2) getpid() recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000340), 0x41395527) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) r3 = socket$inet6_udp(0xa, 0x2, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 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={&(0x7f0000000040), 0x6}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = socket$inet6(0xa, 0x3, 0x2) r5 = socket$inet_udp(0x2, 0x2, 0x0) getsockopt$IP_VS_SO_GET_VERSION(r5, 0x0, 0x480, 0x0, &(0x7f0000000340)) socket(0x1000000010, 0x400000400080803, 0x0) r6 = syz_open_dev$usbfs(&(0x7f0000000840)='/dev/bus/usb/00#/00#\x00', 0x1ff, 0x0) dup(r6) ioctl$TCGETS2(0xffffffffffffffff, 0x802c542a, 0x0) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/btrfs-control\x00', 0x420201, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000080)={0x0, 0x382, &(0x7f0000000140)={0x0, 0xb7ff}}, 0x0) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000280)={'\x00', 0x0}) fcntl$F_GET_RW_HINT(r4, 0x40b, &(0x7f0000000300)) ioctl$sock_inet6_SIOCSIFADDR(r4, 0x8916, &(0x7f00000002c0)={@remote, 0x7e, r8}) setsockopt$inet6_tcp_TCP_CONGESTION(r4, 0x6, 0xd, &(0x7f0000000480)='reno\x00', 0x5) ioctl$sock_inet6_SIOCSIFADDR(r3, 0x89a1, &(0x7f00000000c0)={@local={0xfe, 0x80, [0x600, 0x3ef, 0x0, 0x3f00000000000000, 0x100000000000000, 0x0, 0x1103, 0x0, 0xb, 0x0, 0x0, 0x6]}}) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x9) ioctl$sock_inet6_SIOCADDRT(r3, 0x89a0, &(0x7f00000005c0)={@local={0xfe, 0x80, [0x0, 0xfeff0000]}, @remote, @remote, 0x0, 0xfffe, 0x0, 0x0, 0x0, 0x24b}) getsockopt$inet6_IPV6_XFRM_POLICY(r4, 0x29, 0x23, &(0x7f0000000640)={{{@in6=@remote, @in=@empty}}, {{@in=@remote}, 0x0, @in=@local}}, &(0x7f0000000500)=0xffffffffffffff1c) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x8031, 0xffffffffffffffff, 0x0) [ 65.808337][ T8478] chnl_net:caif_netlink_parms(): no params data found [ 65.841470][ T8476] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.857515][ T8476] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.865570][ T8476] device bridge_slave_0 entered promiscuous mode [ 65.918382][ T8476] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.925478][ T8476] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.948278][ T8476] device bridge_slave_1 entered promiscuous mode [ 65.998453][ T8484] IPVS: ftp: loaded support on port[0] = 21 [ 66.008336][ T8478] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.015422][ T8478] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.027222][ T8478] device bridge_slave_0 entered promiscuous mode [ 66.055042][ T8478] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.079227][ T8478] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.087112][ T8478] device bridge_slave_1 entered promiscuous mode [ 66.098904][ T8476] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 04:10:00 executing program 4: perf_event_open(&(0x7f0000000080)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, 0x0, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x0, 0x0, @ipv4={[], [], @dev}}, 0x1c) sendmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0) r1 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r1, &(0x7f0000000000)={0x40000000, 0x0, &(0x7f0000000040)={&(0x7f0000000300)=ANY=[@ANYBLOB="0207000902000000a8a989000000007ba79554354cdddb4e667263a7192ff58eb16f88b9663da5668b145e6313f3ee41e2f28204de687a25340b61976cae3a9a9e90785afd31885d362411ef23cd8fef4aa6dac6acb5ded04e5435e7a3bfaab8d914916ee79d501a3aa4f0972e376bb9f94c5268f7ff158864d444d4bf66e8d85cc74a000062000000000000000000781f1a3ea4c057bfc8af28e2b90e1d3dd7de6e38d2d29be9a5adffffff7f00000000428958b132e07900"], 0x10}}, 0x0) fallocate(0xffffffffffffffff, 0x0, 0x0, 0x0) mkdirat$cgroup(0xffffffffffffffff, &(0x7f0000000100)='syz0\x00', 0x1ff) [ 66.136276][ T8476] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.163368][ T8476] team0: Port device team_slave_0 added [ 66.196018][ T8478] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.281151][ T8476] team0: Port device team_slave_1 added [ 66.288144][ T8478] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 04:10:00 executing program 5: syz_emit_ethernet(0x300cce, &(0x7f0000000080)={@local, @empty, @val, {@ipv6}}, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x41, 0x0) write$binfmt_aout(r0, &(0x7f00000000c0)=ANY=[], 0xff2e) ioctl$TCSETS(r0, 0x40045431, &(0x7f00000000c0)) r1 = syz_open_pts(r0, 0x0) r2 = dup3(r1, r0, 0x0) ioctl$sock_inet_udp_SIOCINQ(r2, 0x541b, &(0x7f0000000140)) [ 66.372234][ T8482] chnl_net:caif_netlink_parms(): no params data found [ 66.431049][ T8476] device hsr_slave_0 entered promiscuous mode [ 66.488052][ T8476] device hsr_slave_1 entered promiscuous mode [ 66.571820][ T8478] team0: Port device team_slave_0 added [ 66.623723][ T8478] team0: Port device team_slave_1 added [ 66.629577][ T8482] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.636628][ T8482] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.644745][ T8482] device bridge_slave_0 entered promiscuous mode [ 66.652738][ T8482] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.659848][ T8482] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.667495][ T8482] device bridge_slave_1 entered promiscuous mode [ 66.679959][ T8488] IPVS: ftp: loaded support on port[0] = 21 [ 66.694617][ T8489] IPVS: ftp: loaded support on port[0] = 21 [ 66.790075][ T8478] device hsr_slave_0 entered promiscuous mode [ 66.878038][ T8478] device hsr_slave_1 entered promiscuous mode [ 66.937608][ T8478] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.945342][ T8478] Cannot create hsr debugfs directory [ 66.968188][ T8482] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.000525][ T8484] chnl_net:caif_netlink_parms(): no params data found [ 67.017673][ T8482] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.044216][ T8482] team0: Port device team_slave_0 added [ 67.070471][ T8482] team0: Port device team_slave_1 added [ 67.162983][ T8484] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.170220][ T8484] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.178122][ T8484] device bridge_slave_0 entered promiscuous mode [ 67.250544][ T8482] device hsr_slave_0 entered promiscuous mode [ 67.317667][ T8482] device hsr_slave_1 entered promiscuous mode [ 67.377497][ T8482] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.385110][ T8482] Cannot create hsr debugfs directory [ 67.403744][ T8484] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.411676][ T8484] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.419515][ T8484] device bridge_slave_1 entered promiscuous mode [ 67.439206][ T8478] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.489990][ T8478] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.533512][ T8484] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.553911][ T8476] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.619251][ T8478] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.670418][ T8478] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.731223][ T8484] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.748354][ T8476] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.789885][ T8476] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.870506][ T8476] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.966067][ T8484] team0: Port device team_slave_0 added [ 68.016446][ T8484] team0: Port device team_slave_1 added [ 68.082968][ T8488] chnl_net:caif_netlink_parms(): no params data found [ 68.150125][ T8484] device hsr_slave_0 entered promiscuous mode [ 68.207761][ T8484] device hsr_slave_1 entered promiscuous mode [ 68.257502][ T8484] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.265274][ T8484] Cannot create hsr debugfs directory [ 68.299050][ T8489] chnl_net:caif_netlink_parms(): no params data found [ 68.378524][ T8482] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.434102][ T8482] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.493493][ T8489] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.503011][ T8489] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.510811][ T8489] device bridge_slave_0 entered promiscuous mode [ 68.520890][ T8489] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.529670][ T8489] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.537273][ T8489] device bridge_slave_1 entered promiscuous mode [ 68.550141][ T8482] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.623110][ T8488] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.630420][ T8488] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.638675][ T8488] device bridge_slave_0 entered promiscuous mode [ 68.645762][ T8482] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 68.717144][ T8488] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.725125][ T8488] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.734298][ T8488] device bridge_slave_1 entered promiscuous mode [ 68.746863][ T8484] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.810767][ T8484] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.860837][ T8489] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.890508][ T8478] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.903442][ T8484] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.940258][ T8489] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.963506][ T8489] team0: Port device team_slave_0 added [ 68.976618][ T8488] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.986253][ T8484] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.056120][ T8489] team0: Port device team_slave_1 added [ 69.072673][ T8476] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.083727][ T8488] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.106440][ T8488] team0: Port device team_slave_0 added [ 69.115231][ T8488] team0: Port device team_slave_1 added [ 69.123084][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.131764][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.153867][ T8478] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.168938][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.177029][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.185613][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.194309][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.203002][ T2724] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.210198][ T2724] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.221016][ T8476] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.290171][ T8489] device hsr_slave_0 entered promiscuous mode [ 69.338198][ T8489] device hsr_slave_1 entered promiscuous mode [ 69.367466][ T8489] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.375037][ T8489] Cannot create hsr debugfs directory [ 69.383450][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.392557][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.401125][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.410815][ T2714] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.417927][ T2714] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.480520][ T8488] device hsr_slave_0 entered promiscuous mode [ 69.518601][ T8488] device hsr_slave_1 entered promiscuous mode [ 69.567654][ T8488] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.575224][ T8488] Cannot create hsr debugfs directory [ 69.602688][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.611876][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.620909][ T2813] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.628007][ T2813] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.635555][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.644836][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.653110][ T2813] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.660191][ T2813] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.668327][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.676718][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.685989][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.721349][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.730017][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.739037][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.748754][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.756978][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.765697][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.774532][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.782977][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.808543][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.816250][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.824786][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.833969][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.842509][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.851234][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.859955][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.868726][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.897240][ T8478] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.909557][ T8478] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.936594][ T8482] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.943654][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.953653][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.962010][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.970543][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.991499][ T8476] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.019514][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.026995][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.044137][ T8478] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.058618][ T8482] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.092176][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.100283][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.108500][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.116969][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.125352][ T2714] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.132411][ T2714] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.140807][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.148325][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.155748][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.164319][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.172624][ T2714] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.179736][ T2714] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.191346][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.203370][ T8476] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.220599][ T8488] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.269746][ T8488] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.310726][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.343914][ T8488] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.374147][ T8488] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.437639][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.446140][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.455256][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.467170][ T8484] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.476034][ T8489] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.533348][ T8489] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.593598][ T8489] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.660131][ T8489] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.718175][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.726698][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.735641][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.745200][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.753653][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.761819][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.794227][ T8484] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.806524][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.815719][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.824147][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.832265][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.840534][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.849026][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.856651][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.864884][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.872664][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.883472][ T8476] device veth0_vlan entered promiscuous mode [ 70.890810][ T8478] device veth0_vlan entered promiscuous mode [ 70.912729][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.921545][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.933158][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.942440][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.950889][ T3213] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.957948][ T3213] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.965455][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.974468][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.982787][ T3213] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.989867][ T3213] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.006743][ T8482] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.018223][ T8482] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.034934][ T8476] device veth1_vlan entered promiscuous mode [ 71.050692][ T8478] device veth1_vlan entered promiscuous mode [ 71.062692][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.073176][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.081222][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.089570][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.097287][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.105786][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.114235][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.123270][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.131541][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.177940][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.185552][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.195271][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.204003][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.212530][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.221217][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.231498][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.248478][ T8488] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.284670][ T8482] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.305476][ T8488] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.313745][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.322333][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.330361][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.350321][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.363520][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.372532][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.387627][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.395417][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.427060][ T8489] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.449512][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.499515][ T8484] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.570232][ T8484] device veth0_vlan entered promiscuous mode [ 176.367338][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.374146][ C1] rcu: 1-...!: (10499 ticks this GP) idle=a62/1/0x4000000000000002 softirq=13620/13620 fqs=10 [ 176.384714][ C1] (t=10500 jiffies g=6697 q=446) [ 176.389728][ C1] rcu: rcu_preempt kthread starved for 10478 jiffies! g6697 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 176.400993][ C1] rcu: RCU grace-period kthread stack dump: [ 176.406865][ C1] rcu_preempt I28984 10 2 0x80004000 [ 176.413189][ C1] Call Trace: [ 176.416473][ C1] __schedule+0x9a0/0xcc0 [ 176.420803][ C1] schedule+0x181/0x210 [ 176.424957][ C1] schedule_timeout+0x14f/0x240 [ 176.429798][ C1] ? run_local_timers+0x120/0x120 [ 176.434813][ C1] rcu_gp_kthread+0xed8/0x1770 [ 176.439575][ C1] kthread+0x332/0x350 [ 176.443632][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 176.448729][ C1] ? kthread_blkcg+0xe0/0xe0 [ 176.453306][ C1] ret_from_fork+0x24/0x30 [ 176.457753][ C1] NMI backtrace for cpu 1 [ 176.462072][ C1] CPU: 1 PID: 8496 Comm: kthreadd Not tainted 5.5.0-rc5-syzkaller #0 [ 176.470130][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.480184][ C1] Call Trace: [ 176.483467][ C1] [ 176.486333][ C1] dump_stack+0x1fb/0x318 [ 176.490662][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.495503][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 176.501666][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 176.507726][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 176.513723][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 176.519626][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 176.524831][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 176.530154][ C1] ? trace_hardirqs_off+0x74/0x80 [ 176.535200][ C1] update_process_times+0x12d/0x180 [ 176.540406][ C1] tick_sched_timer+0x263/0x420 [ 176.545250][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.550813][ C1] __hrtimer_run_queues+0x403/0x840 [ 176.556043][ C1] hrtimer_interrupt+0x38c/0xda0 [ 176.561004][ C1] ? debug_smp_processor_id+0x9/0x20 [ 176.566293][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 176.571852][ C1] apic_timer_interrupt+0xf/0x20 [ 176.576794][ C1] [ 176.579743][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 176.585826][ C1] Code: e5 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 f4 ed 07 48 89 de e8 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 <65> 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 [ 176.605438][ C1] RSP: 0018:ffffc900020f7e08 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 176.614051][ C1] RAX: ffffffff814896c6 RBX: ffffea000233b280 RCX: ffff888096494100 [ 176.622034][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000233b280 [ 176.630041][ C1] RBP: ffffc900020f7e30 R08: 000000000003a728 R09: ffffed101293aab9 [ 176.638018][ C1] R10: ffffed101293aab9 R11: 0000000000000000 R12: ffff88809022f3a0 [ 176.645987][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880949d55b8 [ 176.653972][ C1] ? mod_memcg_page_state+0x16/0x190 [ 176.659251][ C1] ? free_thread_stack+0x124/0x590 [ 176.664356][ C1] ? mod_memcg_page_state+0x16/0x190 [ 176.669630][ C1] free_thread_stack+0x168/0x590 [ 176.674557][ C1] put_task_stack+0xa3/0x130 [ 176.679136][ C1] finish_task_switch+0x3f1/0x550 [ 176.684182][ C1] ? kthread_blkcg+0xe0/0xe0 [ 176.688857][ C1] schedule_tail+0x20/0x1a0 [ 176.693380][ C1] ? kthread_blkcg+0xe0/0xe0 [ 176.697965][ C1] ret_from_fork+0x8/0x30