[ 40.834055][ T23] audit: type=1800 audit(1575401363.635:27): pid=7936 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 40.859771][ T23] audit: type=1800 audit(1575401363.635:28): pid=7936 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. [ 41.550769][ T23] audit: type=1800 audit(1575401364.395:29): pid=7936 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 41.570106][ T23] audit: type=1800 audit(1575401364.395:30): pid=7936 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 '10.128.0.143' (ECDSA) to the list of known hosts. 2019/12/03 19:29:33 fuzzer started 2019/12/03 19:29:35 dialing manager at 10.128.0.26:42111 2019/12/03 19:29:35 syscalls: 2689 2019/12/03 19:29:35 code coverage: enabled 2019/12/03 19:29:35 comparison tracing: enabled 2019/12/03 19:29:35 extra coverage: extra coverage is not supported by the kernel 2019/12/03 19:29:35 setuid sandbox: enabled 2019/12/03 19:29:35 namespace sandbox: enabled 2019/12/03 19:29:35 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 19:29:35 fault injection: enabled 2019/12/03 19:29:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 19:29:35 net packet injection: enabled 2019/12/03 19:29:35 net device setup: enabled 2019/12/03 19:29:35 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 19:29:35 devlink PCI setup: PCI device 0000:00:10.0 is not available 19:29:36 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) dup(r0) syz_genetlink_get_family_id$fou(0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r1, 0x6, 0x80000000000002, &(0x7f0000000040)=0x2000000000000074, 0x4) bind$inet(r1, &(0x7f0000000280)={0x2, 0x4e23, @multicast1}, 0x10) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000000480)={0x1, &(0x7f0000000400)=[{0x6, 0x0, 0x0, 0xe8}]}, 0x10) sendto$inet(r1, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_sctp6_SCTP_NODELAY(0xffffffffffffffff, 0x84, 0x3, 0x0, 0x0) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='attr\x00') socket$pppoe(0x18, 0x1, 0x0) ioctl$PPPIOCGFLAGS(0xffffffffffffffff, 0x8004745a, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000000000)='bbr\x00', 0x3) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x0) socket$netlink(0x10, 0x3, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendmsg$TIPC_NL_NAME_TABLE_GET(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000004c0)={0x24, 0x0, 0x0, 0x0, 0x25dfdbfe, {}, [@TIPC_NLA_BEARER={0x10, 0x1, [@TIPC_NLA_BEARER_PROP={0x4}, @TIPC_NLA_BEARER_DOMAIN={0x8, 0x3, 0x980a}]}]}, 0x24}}, 0x20cc0d1) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 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_config_ext={0x1, 0x9705}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet(r1, &(0x7f0000000180)="20268a927f1f6588b967481241ba7860f46ef65ac618ded8974895abeaf4b4834ff922b3f1e0b02bd67aa03059bcecc7a95c25a3a07e758044ab4ea6f7ae55d88fecf9221a7511bf746bec66ba5c0fe3ac47b61db6b4c41bd1a5259e62506cda287b857aac", 0x8293, 0x4000002, 0x0, 0x27) 19:29:36 executing program 1: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0x17, 0x0, 0x0) syzkaller login: [ 53.599293][ T8099] IPVS: ftp: loaded support on port[0] = 21 [ 53.694370][ T8101] IPVS: ftp: loaded support on port[0] = 21 19:29:36 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000140)=0x156b, 0x4) listen(r1, 0x0) sendto$inet6(r0, 0x0, 0x0, 0x20004004, &(0x7f0000000040)={0xa, 0x20004e22, 0x0, @empty}, 0x1c) setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f0000000000)='tls\x00', 0xc498ead121f97dd6) setsockopt$inet6_tcp_TLS_TX(r0, 0x11a, 0x1, &(0x7f0000000100)=@gcm_128={{0x303}, "d44eb8c7308ec7c4", "442065238929350ade91900b51fc9534", "6bdda720", "7ee51430da3f51b3"}, 0x28) sendto$inet6(r0, &(0x7f0000000080)="39a110", 0xffffffffffffffc1, 0x40, 0x0, 0xfffffffffffffe5b) [ 53.780887][ T8099] chnl_net:caif_netlink_parms(): no params data found [ 53.873663][ T8101] chnl_net:caif_netlink_parms(): no params data found [ 53.885167][ T8099] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.893592][ T8099] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.903203][ T8099] device bridge_slave_0 entered promiscuous mode [ 53.919934][ T8099] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.946347][ T8099] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.954178][ T8099] device bridge_slave_1 entered promiscuous mode [ 53.985914][ T8105] IPVS: ftp: loaded support on port[0] = 21 [ 54.009997][ T8101] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.023872][ T8101] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.031965][ T8101] device bridge_slave_0 entered promiscuous mode [ 54.045156][ T8099] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 19:29:36 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000400)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f0000000040)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './bus'}}, {@nfs_export_on='nfs_export=on'}, {@workdir={'workdir', 0x3d, './file0'}}]}) [ 54.069102][ T8101] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.076160][ T8101] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.086560][ T8101] device bridge_slave_1 entered promiscuous mode [ 54.094812][ T8099] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.160837][ T8101] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.172502][ T8099] team0: Port device team_slave_0 added [ 54.191008][ T8101] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.202579][ T8099] team0: Port device team_slave_1 added [ 54.271744][ T8101] team0: Port device team_slave_0 added 19:29:37 executing program 4: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x3ea, 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) mkdir(&(0x7f00000006c0)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x0) mount(0x0, &(0x7f0000000480)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0x1) setresuid(0x0, r1, 0x0) llistxattr(&(0x7f0000000000)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x0, 0x0) [ 54.329368][ T8099] device hsr_slave_0 entered promiscuous mode [ 54.366584][ T8099] device hsr_slave_1 entered promiscuous mode [ 54.433695][ T8101] team0: Port device team_slave_1 added [ 54.488653][ T8101] device hsr_slave_0 entered promiscuous mode 19:29:37 executing program 5: r0 = syz_open_dev$video4linux(&(0x7f0000000000)='/dev/v4l-subdev#\x00', 0xfff, 0x0) ioctl$VIDIOC_UNSUBSCRIBE_EVENT(r0, 0xc0205649, &(0x7f0000000040)) [ 54.536958][ T8101] device hsr_slave_1 entered promiscuous mode [ 54.566682][ T8101] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.584817][ T8108] IPVS: ftp: loaded support on port[0] = 21 [ 54.591126][ T8105] chnl_net:caif_netlink_parms(): no params data found [ 54.663978][ T8110] IPVS: ftp: loaded support on port[0] = 21 [ 54.672628][ T8099] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.732394][ T8099] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.799036][ T8099] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.840785][ T8099] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.903594][ T8105] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.911431][ T8105] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.919284][ T8105] device bridge_slave_0 entered promiscuous mode [ 54.934109][ T8105] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.941777][ T8105] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.949606][ T8105] device bridge_slave_1 entered promiscuous mode [ 54.970600][ T8112] IPVS: ftp: loaded support on port[0] = 21 [ 54.998015][ T8101] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 55.040064][ T8101] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 55.080806][ T8101] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 55.149875][ T8105] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.160962][ T8105] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.190391][ T8101] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 55.300097][ T8105] team0: Port device team_slave_0 added [ 55.323064][ T8105] team0: Port device team_slave_1 added [ 55.368021][ T8105] device hsr_slave_0 entered promiscuous mode [ 55.407298][ T8105] device hsr_slave_1 entered promiscuous mode [ 55.446500][ T8105] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.501152][ T8112] chnl_net:caif_netlink_parms(): no params data found [ 55.533782][ T8108] chnl_net:caif_netlink_parms(): no params data found [ 55.610602][ T8105] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 55.700328][ T8110] chnl_net:caif_netlink_parms(): no params data found [ 55.709724][ T8112] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.716862][ T8112] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.724355][ T8112] device bridge_slave_0 entered promiscuous mode [ 55.732082][ T8112] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.740407][ T8112] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.749154][ T8112] device bridge_slave_1 entered promiscuous mode [ 55.756042][ T8105] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 55.810484][ T8105] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 55.872016][ T8108] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.879201][ T8108] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.887174][ T8108] device bridge_slave_0 entered promiscuous mode [ 55.913639][ T8099] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.920480][ T8105] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 55.987589][ T8108] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.994662][ T8108] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.002834][ T8108] device bridge_slave_1 entered promiscuous mode [ 56.029123][ T8112] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.044468][ T8112] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.055687][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.067677][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.100337][ T8099] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.113528][ T8108] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.123775][ T8110] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.133783][ T8110] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.141837][ T8110] device bridge_slave_0 entered promiscuous mode [ 56.149727][ T8110] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.156811][ T8110] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.164388][ T8110] device bridge_slave_1 entered promiscuous mode [ 56.180135][ T8108] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.199826][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.209139][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.217846][ T3135] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.224986][ T3135] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.232898][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.242139][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.250461][ T3135] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.257500][ T3135] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.276394][ T8112] team0: Port device team_slave_0 added [ 56.292808][ T8110] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.304305][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.312759][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.323445][ T8112] team0: Port device team_slave_1 added [ 56.332596][ T8108] team0: Port device team_slave_0 added [ 56.349269][ T8110] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.368808][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.377880][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.388984][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.400364][ T8101] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.409875][ T8108] team0: Port device team_slave_1 added [ 56.425399][ T8110] team0: Port device team_slave_0 added [ 56.468626][ T8112] device hsr_slave_0 entered promiscuous mode [ 56.528436][ T8112] device hsr_slave_1 entered promiscuous mode [ 56.566535][ T8112] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.575505][ T8113] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.583417][ T8113] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.591885][ T8113] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.600395][ T8113] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.608856][ T8113] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.631059][ T8110] team0: Port device team_slave_1 added [ 56.644586][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.652698][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.662885][ T8105] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.671396][ T8101] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.688594][ T8099] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.700846][ T8099] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.750111][ T8108] device hsr_slave_0 entered promiscuous mode [ 56.796581][ T8108] device hsr_slave_1 entered promiscuous mode [ 56.856677][ T8108] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.866490][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.874763][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.883171][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.891673][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.899966][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.907013][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.917317][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.987881][ T8110] device hsr_slave_0 entered promiscuous mode [ 57.026528][ T8110] device hsr_slave_1 entered promiscuous mode [ 57.076400][ T8110] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.095313][ T8099] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.114998][ T8118] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.123505][ T8118] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.133641][ T8118] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.140726][ T8118] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.148522][ T8118] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.157136][ T8118] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.164517][ T8118] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.171923][ T8118] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.180250][ T8118] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.188990][ T8118] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.198007][ T8118] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.250288][ T8118] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.269827][ T8118] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.280943][ T8118] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.290003][ T8118] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.298524][ T8118] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.307047][ T8118] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.318778][ T8105] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.328328][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.335981][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.344330][ T8108] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.403032][ T8108] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.468098][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.475667][ T8110] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 57.528597][ T8110] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 162.566206][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 162.572995][ C0] rcu: 0-...!: (10499 ticks this GP) idle=bba/1/0x4000000000000002 softirq=10002/10002 fqs=41 [ 162.583543][ C0] (t=10501 jiffies g=5889 q=156) [ 162.588553][ C0] rcu: rcu_preempt kthread starved for 10420 jiffies! g5889 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 162.599632][ C0] rcu: RCU grace-period kthread stack dump: [ 162.605505][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 162.613389][ C0] Call Trace: [ 162.616671][ C0] __schedule+0x9a0/0xcc0 [ 162.621007][ C0] schedule+0x181/0x210 [ 162.625149][ C0] schedule_timeout+0x14f/0x240 [ 162.629984][ C0] ? run_local_timers+0x120/0x120 [ 162.635099][ C0] rcu_gp_kthread+0xed8/0x1770 [ 162.639858][ C0] kthread+0x332/0x350 [ 162.643911][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 162.649007][ C0] ? kthread_blkcg+0xe0/0xe0 [ 162.653582][ C0] ret_from_fork+0x24/0x30 [ 162.657997][ C0] NMI backtrace for cpu 0 [ 162.662317][ C0] CPU: 0 PID: 8121 Comm: blkid Not tainted 5.4.0-syzkaller #0 [ 162.669752][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.679791][ C0] Call Trace: [ 162.683068][ C0] [ 162.685920][ C0] dump_stack+0x1fb/0x318 [ 162.690238][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 162.695069][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 162.701210][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 162.707263][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 162.713234][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 162.719111][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 162.724215][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 162.729404][ C0] ? trace_hardirqs_off+0x74/0x80 [ 162.734418][ C0] update_process_times+0x12d/0x180 [ 162.739602][ C0] tick_sched_timer+0x263/0x420 [ 162.744437][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 162.749968][ C0] __hrtimer_run_queues+0x403/0x840 [ 162.755167][ C0] hrtimer_interrupt+0x38c/0xda0 [ 162.760106][ C0] ? debug_smp_processor_id+0x9/0x20 [ 162.765380][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 162.770914][ C0] apic_timer_interrupt+0xf/0x20 [ 162.775832][ C0] [ 162.778763][ C0] RIP: 0010:__memcg_kmem_uncharge+0x28/0x2e0 [ 162.784725][ C0] Code: 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 38 4d 89 f5 49 c1 ed 03 <41> 80 7c 05 00 00 74 08 4c 89 f7 e8 d8 f4 fa ff 4d 8b 3e b8 01 00 [ 162.804314][ C0] RSP: 0018:ffffc900020d7b58 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 [ 162.812709][ C0] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff888098f502c0 [ 162.820668][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002946840 [ 162.828624][ C0] RBP: ffffc900020d7b88 R08: 000000000003a768 R09: ffffed10151d2287 [ 162.836581][ C0] R10: ffffed10151d2287 R11: 0000000000000000 R12: ffffea0002946840 [ 162.844538][ C0] R13: 1ffffd4000528d0f R14: ffffea0002946878 R15: ffff8880a8e91428 [ 162.852513][ C0] ? free_thread_stack+0x124/0x590 [ 162.857611][ C0] free_thread_stack+0x12e/0x590 [ 162.862534][ C0] put_task_stack+0xa3/0x130 [ 162.867112][ C0] finish_task_switch+0x3f1/0x550 [ 162.872136][ C0] __schedule+0x9a8/0xcc0 [ 162.876463][ C0] ? ___preempt_schedule+0x16/0x18 [ 162.881558][ C0] preempt_schedule+0xdb/0x120 [ 162.886311][ C0] ___preempt_schedule+0x16/0x18 [ 162.891257][ C0] ? do_exit+0x1431/0x2020 [ 162.895657][ C0] _raw_write_unlock_irq+0x77/0x80 [ 162.900758][ C0] do_exit+0x1431/0x2020 [ 162.904999][ C0] do_group_exit+0x15c/0x2b0 [ 162.909580][ C0] __do_sys_exit_group+0x17/0x20 [ 162.914504][ C0] __se_sys_exit_group+0x14/0x20 [ 162.919425][ C0] __x64_sys_exit_group+0x3b/0x40 [ 162.924431][ C0] do_syscall_64+0xf7/0x1c0 [ 162.928922][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 162.934798][ C0] RIP: 0033:0x7efebf4971e8 [ 162.939206][ C0] Code: Bad RIP value. [ 162.943257][ C0] RSP: 002b:00007ffdade118f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 162.951650][ C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007efebf4971e8 [ 162.959605][ C0] RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 [ 162.967562][ C0] RBP: 00007efebf76c840 R08: 00000000000000e7 R09: ffffffffffffffa8 [ 162.975518][ C0] R10: 00007efebf772740 R11: 0000000000000246 R12: 00007efebf76c840 [ 162.983571][ C0] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000