[ 43.771080][ T25] audit: type=1800 audit(1575364417.422:25): pid=8123 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.790168][ T25] audit: type=1800 audit(1575364417.422:26): pid=8123 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.840091][ T25] audit: type=1800 audit(1575364417.432:27): pid=8123 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. [ 44.184217][ T8188] sshd (8188) used greatest stack depth: 24000 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.5' (ECDSA) to the list of known hosts. 2019/12/03 09:13:47 fuzzer started 2019/12/03 09:13:48 dialing manager at 10.128.0.26:38907 2019/12/03 09:13:48 syscalls: 2697 2019/12/03 09:13:48 code coverage: enabled 2019/12/03 09:13:48 comparison tracing: enabled 2019/12/03 09:13:48 extra coverage: extra coverage is not supported by the kernel 2019/12/03 09:13:48 setuid sandbox: enabled 2019/12/03 09:13:48 namespace sandbox: enabled 2019/12/03 09:13:48 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 09:13:48 fault injection: enabled 2019/12/03 09:13:48 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 09:13:48 net packet injection: enabled 2019/12/03 09:13:48 net device setup: enabled 2019/12/03 09:13:48 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 09:13:48 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:13:49 executing program 0: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x9, 0x2, 0x78, 0x7ff, 0x2, 0xffffffffffffffff, 0x0, [], 0x0, 0xffffffffffffffff, 0x0, 0x4}, 0x3c) 09:13:50 executing program 1: openat$rtc(0xffffffffffffff9c, 0x0, 0x0, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) socket$key(0xf, 0x3, 0x2) mkdir(&(0x7f0000000000)='./file0\x00', 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pivot_root(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00') mount(0x0, &(0x7f0000000400)='./file0\x00', &(0x7f0000000280)='tmpfs\x00', 0x0, 0x0) r1 = creat(&(0x7f0000000180)='./bus\x00', 0x0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/zero\x00', 0x80, 0x0) ioctl(r2, 0x8, &(0x7f00000005c0)="74a55831a0f2dfe0040eaf9b80fac43d9be9825a4d825573cb61185b4029f83bd3e670882979518ed326c141d5c6e8e62a6e45c302012a9428520dd1b5a50256d51b5e7c5a5e20e70aadc58703") ioctl$FS_IOC_GETFSMAP(r1, 0xc0c0583b, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000640)='nbd\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(0xffffffffffffffff, 0xc0c0583b, &(0x7f00000004c0)={0x0, 0x0, 0x1c7d9, 0x0, [], [{}, {0x801, 0x0, 0x80000001}]}) dup2(0xffffffffffffffff, r0) syz_mount_image$ext4(&(0x7f00000000c0)='ext4\x00', 0x0, 0x5, 0x0, 0x0, 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='aXto_da_alloc\a\x00\x00\x0000000007fff,dont_measure,\x00']) r3 = open$dir(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) write$UHID_INPUT(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) close(r4) splice(0xffffffffffffffff, 0x0, r5, 0x0, 0x200, 0x0) ioctl$FS_IOC_GET_ENCRYPTION_PWSALT(r5, 0x40106614, &(0x7f0000000240)) request_key(0x0, 0x0, &(0x7f00000006c0)='user\x00', 0xffffffffffffffff) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000700)={{{@in6=@dev, @in6=@remote}}, {{}, 0x0, @in6=@empty}}, &(0x7f0000000480)=0xe8) renameat2(r3, &(0x7f0000000000)='./file1\x00', r3, &(0x7f0000000100)='./file0\x00', 0x0) ioctl$RTC_ALM_SET(0xffffffffffffffff, 0x40247007, 0x0) ioctl$RTC_WKALM_SET(0xffffffffffffffff, 0x4028700f, &(0x7f0000000000)={0x1, 0x0, {0x0, 0x0, 0x0, 0x19, 0x0, 0x80}}) syzkaller login: [ 56.485990][ T8287] IPVS: ftp: loaded support on port[0] = 21 09:13:50 executing program 2: perf_event_open(&(0x7f0000000480)={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_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0) ioctl$KVM_SET_SREGS(r0, 0x4138ae84, &(0x7f0000000140)={{0x0, 0x10000, 0x0, 0x0, 0x1f, 0xf9, 0x6, 0x0, 0x0, 0x0, 0x0, 0x8}, {0x0, 0xc000, 0x0, 0x0, 0x0, 0x2, 0x0, 0x7, 0x7, 0xb6}, {0x4000, 0x0, 0x0, 0x7f, 0x29, 0x6, 0x3, 0x0, 0x1f, 0x0, 0x1}, {0xd802, 0xb000, 0x0, 0x8, 0x7f, 0x0, 0x5}, {0x0, 0x6000, 0x10, 0x9, 0x60, 0x0, 0x81, 0x0, 0x3, 0x60}, {0xa97ccb0fde04d1b3, 0x10000, 0x0, 0x0, 0x0, 0x6, 0x20, 0x1f, 0x0, 0x2, 0x3, 0x7}, {0x0, 0x100000, 0x11, 0xcb, 0x8, 0x0, 0x20, 0xee, 0x3, 0xff, 0x0, 0x40}, {0x0, 0x4000, 0x0, 0x0, 0x6, 0x0, 0x20, 0x1, 0x0, 0x4, 0x2}, {}, {0x6000}, 0x0, 0x0, 0x0, 0x220800, 0xa, 0x4000, 0x6000, [0x1, 0x0, 0x4, 0x100]}) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000000ac0)=@sack_info={0x0, 0x0, 0x22}, 0xc) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) r4 = syz_open_procfs(0x0, &(0x7f0000000000)='oom_adj\x00') fsconfig$FSCONFIG_SET_PATH(r3, 0x3, &(0x7f0000000040)='bdev-:cgroupsecurity\x00', &(0x7f00000000c0)='./bus\x00', r4) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 56.660795][ T8290] IPVS: ftp: loaded support on port[0] = 21 [ 56.672094][ T8287] chnl_net:caif_netlink_parms(): no params data found [ 56.794127][ T8287] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.818089][ T8287] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.837411][ T8287] device bridge_slave_0 entered promiscuous mode 09:13:50 executing program 3: r0 = syz_init_net_socket$ax25(0x3, 0x5, 0x0) perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 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_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$ax25_SO_BINDTODEVICE(r0, 0x101, 0x6, &(0x7f0000000000)=@bpq0='bpq0\x00', 0x10) [ 56.858276][ T8287] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.865349][ T8287] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.883464][ T8287] device bridge_slave_1 entered promiscuous mode [ 56.914266][ T8292] IPVS: ftp: loaded support on port[0] = 21 [ 56.975054][ T8287] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.019107][ T8287] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.043142][ T8290] chnl_net:caif_netlink_parms(): no params data found [ 57.115660][ T8292] chnl_net:caif_netlink_parms(): no params data found [ 57.145108][ T8287] team0: Port device team_slave_0 added [ 57.154481][ T8287] team0: Port device team_slave_1 added [ 57.203442][ T8290] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.211596][ T8290] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.220701][ T8290] device bridge_slave_0 entered promiscuous mode [ 57.233402][ T8297] IPVS: ftp: loaded support on port[0] = 21 [ 57.264710][ T8290] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.273563][ T8290] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.284789][ T8290] device bridge_slave_1 entered promiscuous mode [ 57.300192][ T8292] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.307767][ T8292] bridge0: port 1(bridge_slave_0) entered disabled state 09:13:50 executing program 4: unshare(0x600) r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) ioctl$BLKTRACESETUP(r0, 0x4c04, 0x0) [ 57.315669][ T8292] device bridge_slave_0 entered promiscuous mode [ 57.390637][ T8287] device hsr_slave_0 entered promiscuous mode 09:13:51 executing program 5: r0 = socket(0x10, 0x2, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) write(r0, &(0x7f0000000280)="1c0000001a009b8a14e5f4070009042400000000ff00000000000000", 0x1e5) recvmmsg(r0, &(0x7f0000002f80)=[{{0x0, 0x0, &(0x7f0000000600)=[{&(0x7f0000000040)=""/38, 0x26}, {&(0x7f00000002c0)=""/76, 0x4c}, {&(0x7f0000000340)=""/211, 0xd3}, {&(0x7f00000008c0)=""/4096, 0x1000}], 0x4}}, {{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x5, 0x0, 0x0) [ 57.536832][ T8287] device hsr_slave_1 entered promiscuous mode [ 57.623642][ T8292] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.631533][ T8292] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.639489][ T8292] device bridge_slave_1 entered promiscuous mode [ 57.655893][ T8301] IPVS: ftp: loaded support on port[0] = 21 [ 57.665370][ T8290] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.675997][ T8299] IPVS: ftp: loaded support on port[0] = 21 [ 57.683590][ T8290] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.734383][ T8290] team0: Port device team_slave_0 added [ 57.744086][ T8290] team0: Port device team_slave_1 added [ 57.774302][ T8292] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.815408][ T8292] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.838570][ T8287] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.909345][ T8290] device hsr_slave_0 entered promiscuous mode [ 57.956719][ T8290] device hsr_slave_1 entered promiscuous mode [ 58.026635][ T8290] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.057367][ T8287] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.090597][ T8292] team0: Port device team_slave_0 added [ 58.111561][ T8287] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.175715][ T8287] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.229869][ T8292] team0: Port device team_slave_1 added [ 58.349252][ T8292] device hsr_slave_0 entered promiscuous mode [ 58.416733][ T8292] device hsr_slave_1 entered promiscuous mode [ 58.486587][ T8292] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.511023][ T8297] chnl_net:caif_netlink_parms(): no params data found [ 58.527167][ T8301] chnl_net:caif_netlink_parms(): no params data found [ 58.575166][ T8290] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.621489][ T8290] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.661903][ T8290] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.709198][ T8290] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.760145][ T8299] chnl_net:caif_netlink_parms(): no params data found [ 58.810674][ T8301] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.818707][ T8301] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.826469][ T8301] device bridge_slave_0 entered promiscuous mode [ 58.860380][ T8301] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.867724][ T8301] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.875341][ T8301] device bridge_slave_1 entered promiscuous mode [ 58.888107][ T8297] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.895180][ T8297] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.904763][ T8297] device bridge_slave_0 entered promiscuous mode [ 58.913632][ T8297] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.920800][ T8297] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.929818][ T8297] device bridge_slave_1 entered promiscuous mode [ 58.937179][ T8292] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.009241][ T8292] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.081011][ T8301] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.094452][ T8292] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.158834][ T8292] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.199612][ T8299] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.206886][ T8299] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.214825][ T8299] device bridge_slave_0 entered promiscuous mode [ 59.223238][ T8299] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.230393][ T8299] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.238549][ T8299] device bridge_slave_1 entered promiscuous mode [ 59.247517][ T8297] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.258386][ T8301] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.289308][ T8297] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.307855][ T8301] team0: Port device team_slave_0 added [ 59.316755][ T8297] team0: Port device team_slave_0 added [ 59.334152][ T8299] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.357972][ T8301] team0: Port device team_slave_1 added [ 59.364832][ T8297] team0: Port device team_slave_1 added [ 59.384956][ T8299] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.405578][ T8290] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.478303][ T8297] device hsr_slave_0 entered promiscuous mode [ 59.516814][ T8297] device hsr_slave_1 entered promiscuous mode [ 59.566671][ T8297] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.583725][ T8299] team0: Port device team_slave_0 added [ 59.593231][ T8299] team0: Port device team_slave_1 added [ 59.639683][ T8301] device hsr_slave_0 entered promiscuous mode [ 59.697064][ T8301] device hsr_slave_1 entered promiscuous mode [ 59.736728][ T8301] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.752614][ T8290] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.791213][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.799835][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.878423][ T8299] device hsr_slave_0 entered promiscuous mode [ 59.926966][ T8299] device hsr_slave_1 entered promiscuous mode [ 59.966582][ T8299] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.987789][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.996560][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.004929][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.012130][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.021324][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.030808][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.039454][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.046535][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.054012][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.064880][ T8297] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.112413][ T8297] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.174172][ T8301] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.218425][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.226336][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.235062][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.244085][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.253317][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.279696][ T8297] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.322389][ T8297] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.378853][ T8301] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.423247][ T8301] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.481987][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.491405][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.502434][ T8287] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.514013][ T8292] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.524358][ T8301] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 60.570699][ T8299] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.622425][ T8299] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.678210][ T8299] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.729115][ T8287] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.743541][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.751456][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.759598][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.767484][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.775043][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.783654][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.792165][ T8293] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.799338][ T8293] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.807123][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.815337][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.823772][ T8299] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.890091][ T8292] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.913278][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.921551][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.931575][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.940474][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.947607][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.955953][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.983971][ T8305] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.992850][ T8305] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.002284][ T8305] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.009391][ T8305] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.017871][ T8305] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.026328][ T8305] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.034717][ T8305] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.041781][ T8305] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.053142][ T8290] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.086654][ T8305] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.094510][ T8305] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.105808][ T8305] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.114403][ T8305] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.123682][ T8305] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.132444][ T8305] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.140989][ T8305] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.149654][ T8305] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.183768][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.192322][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.202929][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.211441][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.220304][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.229247][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.237594][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.245689][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.254540][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.262939][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.271704][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.280465][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.301056][ T8292] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.314851][ T8292] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.329619][ T8287] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.342675][ T8287] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.352635][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.361148][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.369514][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.378002][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.386145][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.393941][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.438897][ T8299] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.448676][ T8290] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.463238][ T8301] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.474946][ T8287] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.482266][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.491353][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.499263][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.508156][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.519330][ T8292] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.534641][ T8299] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.555974][ T8297] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.582261][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.590371][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.613420][ T8301] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.638124][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.654067][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.692111][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.699280][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.723723][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.742358][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.751381][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.758516][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.796769][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.821663][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.839231][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.859667][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.898259][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.940150][ T8297] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.001919][ T8297] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.020734][ T8297] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.064584][ T8297] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 166.736378][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.743138][ C1] rcu: 1-...!: (1 GPs behind) idle=1f2/1/0x4000000000000002 softirq=11757/11758 fqs=41 [ 166.753087][ C1] (t=10501 jiffies g=6537 q=522) [ 166.758115][ C1] rcu: rcu_preempt kthread starved for 10418 jiffies! g6537 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.769216][ C1] rcu: RCU grace-period kthread stack dump: [ 166.777972][ C1] rcu_preempt R running task 29104 10 2 0x80004000 [ 166.785862][ C1] Call Trace: [ 166.789147][ C1] __schedule+0x9a0/0xcc0 [ 166.793470][ C1] schedule+0x181/0x210 [ 166.797627][ C1] schedule_timeout+0x14f/0x240 [ 166.802896][ C1] ? run_local_timers+0x120/0x120 [ 166.807909][ C1] rcu_gp_kthread+0xed8/0x1770 [ 166.812668][ C1] kthread+0x332/0x350 [ 166.816876][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 166.822002][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.826605][ C1] ret_from_fork+0x24/0x30 [ 166.831040][ C1] NMI backtrace for cpu 1 [ 166.835368][ C1] CPU: 1 PID: 8310 Comm: blkid Not tainted 5.4.0-syzkaller #0 [ 166.842822][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.852885][ C1] Call Trace: [ 166.856170][ C1] [ 166.859026][ C1] dump_stack+0x1fb/0x318 [ 166.863356][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.868197][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.874338][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.880390][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.886355][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.892232][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.897338][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.902526][ C1] ? trace_hardirqs_off+0x74/0x80 [ 166.907537][ C1] update_process_times+0x12d/0x180 [ 166.912721][ C1] tick_sched_timer+0x263/0x420 [ 166.917556][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.923087][ C1] __hrtimer_run_queues+0x403/0x840 [ 166.928287][ C1] hrtimer_interrupt+0x38c/0xda0 [ 166.933227][ C1] ? debug_smp_processor_id+0x9/0x20 [ 166.938501][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 166.944033][ C1] apic_timer_interrupt+0xf/0x20 [ 166.948952][ C1] [ 166.951885][ C1] RIP: 0010:__memcg_kmem_uncharge+0xa/0x2e0 [ 166.957787][ C1] Code: 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 dc 7d ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 <41> 54 53 50 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff df 4c 8d 77 [ 166.977373][ C1] RSP: 0018:ffffc900028979c8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.985773][ C1] RAX: ffffffff81486ea4 RBX: ffffea000282fdc0 RCX: ffff8880a2d68200 [ 166.993731][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000282fdc0 [ 167.001697][ C1] RBP: ffffc900028979e0 R08: 000000000003a768 R09: ffffed1014d42287 [ 167.009655][ C1] R10: ffffed1014d42287 R11: 0000000000000000 R12: ffff88809ef55320 [ 167.017612][ C1] R13: dffffc0000000000 R14: 1ffff11013deaa64 R15: ffff8880a6a11428 [ 167.025581][ C1] ? free_thread_stack+0x124/0x590 [ 167.030688][ C1] free_thread_stack+0x12e/0x590 [ 167.035614][ C1] put_task_stack+0xa3/0x130 [ 167.040194][ C1] finish_task_switch+0x3f1/0x550 [ 167.045211][ C1] __schedule+0x9a8/0xcc0 [ 167.049534][ C1] ? ___preempt_schedule+0x16/0x18 [ 167.054632][ C1] preempt_schedule+0xdb/0x120 [ 167.059393][ C1] ___preempt_schedule+0x16/0x18 [ 167.064322][ C1] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 167.069947][ C1] __wake_up_sync_key+0xe2/0x150 [ 167.074875][ C1] pipe_release+0x17b/0x330 [ 167.079364][ C1] ? fifo_open+0xc70/0xc70 [ 167.083765][ C1] __fput+0x2e4/0x740 [ 167.087738][ C1] ____fput+0x15/0x20 [ 167.091706][ C1] task_work_run+0x17e/0x1b0 [ 167.096286][ C1] do_exit+0x5c4/0x2020 [ 167.100433][ C1] ? check_preemption_disabled+0xb4/0x260 [ 167.106150][ C1] do_group_exit+0x15c/0x2b0 [ 167.110733][ C1] __do_sys_exit_group+0x17/0x20 [ 167.115657][ C1] __se_sys_exit_group+0x14/0x20 [ 167.120578][ C1] __x64_sys_exit_group+0x3b/0x40 [ 167.125587][ C1] do_syscall_64+0xf7/0x1c0 [ 167.130075][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.135953][ C1] RIP: 0033:0x7f4c913881e8 [ 167.140368][ C1] Code: Bad RIP value. [ 167.144416][ C1] RSP: 002b:00007ffc823c3a58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 167.152814][ C1] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4c913881e8 [ 167.160767][ C1] RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 [ 167.168723][ C1] RBP: 00007f4c9165d840 R08: 00000000000000e7 R09: ffffffffffffffa8 [ 167.176682][ C1] R10: 00007f4c91663740 R11: 0000000000000246 R12: 00007f4c9165d840 [ 167.184640][ C1] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000