[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.763866][ T26] audit: type=1800 audit(1578481299.636:25): pid=8422 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.783698][ T26] audit: type=1800 audit(1578481299.656:26): pid=8422 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.817111][ T26] audit: type=1800 audit(1578481299.656:27): pid=8422 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 '10.128.1.38' (ECDSA) to the list of known hosts. 2020/01/08 11:01:49 fuzzer started 2020/01/08 11:01:51 dialing manager at 10.128.0.26:35703 2020/01/08 11:01:51 syscalls: 2824 2020/01/08 11:01:51 code coverage: enabled 2020/01/08 11:01:51 comparison tracing: enabled 2020/01/08 11:01:51 extra coverage: enabled 2020/01/08 11:01:51 setuid sandbox: enabled 2020/01/08 11:01:51 namespace sandbox: enabled 2020/01/08 11:01:51 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 11:01:51 fault injection: enabled 2020/01/08 11:01:51 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 11:01:51 net packet injection: enabled 2020/01/08 11:01:51 net device setup: enabled 2020/01/08 11:01:51 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 11:01:51 devlink PCI setup: PCI device 0000:00:10.0 is not available 11:01:52 executing program 0: recvmmsg(0xffffffffffffffff, &(0x7f0000005c40)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000280)=""/189, 0xbd}}], 0x1, 0x0, 0x0) sendmmsg(0xffffffffffffffff, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f0000000680)=ANY=[@ANYBLOB="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"], 0x18}}], 0x1, 0x0) r0 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r0, &(0x7f0000000080)=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x0, 0x0, @empty}}, 0x24) sendmmsg(r0, &(0x7f0000005c00), 0x40000000000037b, 0x0) 11:01:52 executing program 1: setsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x27, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080)='/dev/nullb0\x00', 0x4000000004002, 0x0) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x200000e, 0x13, r0, 0x0) shmget(0x2, 0x1000, 0x1c, &(0x7f000096d000/0x1000)=nil) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_dev$admmidi(&(0x7f00000015c0)='/dev/admmidi#\x00', 0x8, 0x0) r1 = socket$inet(0x2, 0x4000000805, 0x0) r2 = socket$inet_sctp(0x2, 0x5, 0x84) r3 = dup3(r1, r2, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r3, &(0x7f00000000c0)='\t', 0x1, 0x0, &(0x7f0000000040)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r2, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x7a, &(0x7f000059aff8)={r4}, &(0x7f000034f000)=0x2059b000) clone(0x4000000000003fe, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) msync(&(0x7f0000952000/0x2000)=nil, 0x87abbe8d1cc6ad9, 0x4) r5 = getpid() rt_tgsigqueueinfo(r5, r5, 0x4000000000015, &(0x7f0000000100)) ptrace(0x10, r5) ptrace$getsig(0x18, r5, 0x0, 0x0) syzkaller login: [ 66.930801][ T8589] IPVS: ftp: loaded support on port[0] = 21 [ 67.061981][ T8589] chnl_net:caif_netlink_parms(): no params data found [ 67.105540][ T8589] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.113183][ T8589] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.121135][ T8589] device bridge_slave_0 entered promiscuous mode [ 67.131252][ T8589] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.138871][ T8589] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.146927][ T8589] device bridge_slave_1 entered promiscuous mode [ 67.167200][ T8589] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.179391][ T8589] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.201535][ T8589] team0: Port device team_slave_0 added [ 67.204278][ T8592] IPVS: ftp: loaded support on port[0] = 21 [ 67.209487][ T8589] team0: Port device team_slave_1 added 11:01:53 executing program 2: r0 = socket$packet(0x11, 0x3, 0x300) r1 = memfd_create(&(0x7f0000000140)='\x002f\x8b\xa2h\xf1D\x1b\xee\x1e\x8c\xb8\x8ax\x95\xf2\xdf\x11o\xb6\x8d\xcb\x01+\xe0\xeb\x9f\xf61\xceH0\x9c\xc1\x948kJ\xe4\xb3D\xf3\xb2\xbf\x9dZS\xa8\xc4\xb9/\xa6\xd3\xc2\f\x16', 0x0) write$UHID_SET_REPORT_REPLY(r1, &(0x7f00000000c0)=ANY=[@ANYRESHEX], 0x1) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x1, 0x12, r1, 0x0) getsockopt$packet_int(r0, 0x107, 0xb, 0x0, &(0x7f0000000000)) [ 67.275960][ T8589] device hsr_slave_0 entered promiscuous mode [ 67.353232][ T8589] device hsr_slave_1 entered promiscuous mode [ 67.427177][ T8594] IPVS: ftp: loaded support on port[0] = 21 11:01:53 executing program 3: bpf$MAP_CREATE(0x900000000000000, &(0x7f0000000100)={0x1, 0x2, 0x52, 0x7, 0x0, 0xffffffffffffffff, 0x0, [0x305f, 0x2e, 0x5f, 0x80ffff, 0x5f, 0x5f, 0x80ffff, 0x2e, 0x5f, 0x5f, 0x2e, 0x2e, 0x2e, 0x5f, 0x5f, 0x33]}, 0x3c) [ 67.612117][ T8592] chnl_net:caif_netlink_parms(): no params data found [ 67.669167][ T8589] netdevsim netdevsim0 netdevsim0: renamed from eth0 11:01:53 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x1) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @mcast2, 0x9}, 0x1c) setsockopt$inet6_opts(r0, 0x29, 0x3b, &(0x7f0000000300)=ANY=[@ANYBLOB="dd04001300000000000100050000000000000002000020000004010900000000000000b49f1cf4ce3aef2355b0806cbdf4c5bf40596937a77fe52d4061b8fa206f7385e135e3148cfda57c4a61cf56fed6d5dd30f2312d3040b81d5db563712f6941254c42e854936bf6da4d83a19afc3ccfc76dfa696f7e6f9b664133f5fce5"], 0x28) sendmmsg(r0, &(0x7f00000092c0), 0x400000000000064, 0x0) [ 67.756784][ T8589] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.844548][ T8589] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.895030][ T8589] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.962765][ T8598] IPVS: ftp: loaded support on port[0] = 21 [ 67.969093][ T8589] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.976297][ T8589] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.984095][ T8589] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.991174][ T8589] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.006524][ T8592] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.015663][ T8592] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.023973][ T8592] device bridge_slave_0 entered promiscuous mode [ 68.035084][ T8592] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.042181][ T8592] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.050474][ T8592] device bridge_slave_1 entered promiscuous mode [ 68.064043][ T8594] chnl_net:caif_netlink_parms(): no params data found [ 68.080757][ T8600] IPVS: ftp: loaded support on port[0] = 21 11:01:54 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000440)=0x6d) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="000000000000bccb280012000c000100766574680000000018000200fd00010000000000", @ANYRES32=0x0, @ANYBLOB="e6d2759622f87074763ef8c3c6b0915ec1d32cd4fd6367e4d59c98610ebbf4ba2eb2a35308ff338832ca84b13a719c053724c5666747ea779d15dcb44508ed4fcff4d7e852ee9b3ce469c2a538e65fc994c45b"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x37c, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000001000010800"/20, @ANYRES32=r3, @ANYBLOB="000000080000000008000a0010000000"], 0x28}}, 0x4) r4 = socket$inet6(0xa, 0x2, 0x0) dup3(r4, r2, 0x0) r5 = socket$netlink(0x10, 0x3, 0x0) r6 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r6, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r10 = dup3(r8, r9, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) sendmsg$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000280)=@newlink={0x20, 0x10, 0x801, 0x0, 0x0, {0x0, 0x0, 0x0, r7, 0x1000e}}, 0x20}}, 0x0) [ 68.116888][ T2785] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.134211][ T2785] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.178751][ T8592] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.191947][ T8592] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.228572][ T8592] team0: Port device team_slave_0 added [ 68.290394][ T8592] team0: Port device team_slave_1 added [ 68.304634][ T8594] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.311734][ T8594] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.321320][ T8594] device bridge_slave_0 entered promiscuous mode [ 68.342328][ T8594] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.349723][ T8594] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.357578][ T8594] device bridge_slave_1 entered promiscuous mode [ 68.425753][ T8592] device hsr_slave_0 entered promiscuous mode [ 68.483288][ T8592] device hsr_slave_1 entered promiscuous mode [ 68.513825][ T8592] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.521687][ T8592] Cannot create hsr debugfs directory [ 68.549170][ T8602] IPVS: ftp: loaded support on port[0] = 21 [ 68.589333][ T8594] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.627726][ T8600] chnl_net:caif_netlink_parms(): no params data found [ 68.638512][ T8594] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.688449][ T8594] team0: Port device team_slave_0 added [ 68.696317][ T8594] team0: Port device team_slave_1 added [ 68.721917][ T8589] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.750060][ T8598] chnl_net:caif_netlink_parms(): no params data found [ 68.777967][ T8600] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.785377][ T8600] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.793172][ T8600] device bridge_slave_0 entered promiscuous mode [ 68.856579][ T8594] device hsr_slave_0 entered promiscuous mode [ 68.903316][ T8594] device hsr_slave_1 entered promiscuous mode [ 68.963032][ T8594] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.970619][ T8594] Cannot create hsr debugfs directory [ 68.984049][ T8600] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.991140][ T8600] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.999207][ T8600] device bridge_slave_1 entered promiscuous mode [ 69.021458][ T8600] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.059660][ T8589] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.068161][ T8600] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.104142][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.112586][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.141953][ T8592] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 69.220261][ T8600] team0: Port device team_slave_0 added [ 69.228185][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.236833][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.245777][ T3158] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.253048][ T3158] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.278624][ T8592] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 69.335768][ T8598] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.343723][ T8598] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.351372][ T8598] device bridge_slave_0 entered promiscuous mode [ 69.360070][ T8600] team0: Port device team_slave_1 added [ 69.382086][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.390675][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.399344][ T2791] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.406417][ T2791] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.414066][ T8592] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.465905][ T8598] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.473164][ T8598] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.480944][ T8598] device bridge_slave_1 entered promiscuous mode [ 69.512196][ T8592] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.581914][ T8598] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.593884][ T8602] chnl_net:caif_netlink_parms(): no params data found [ 69.615892][ T8600] device hsr_slave_0 entered promiscuous mode [ 69.663260][ T8600] device hsr_slave_1 entered promiscuous mode [ 69.703010][ T8600] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.710614][ T8600] Cannot create hsr debugfs directory [ 69.725984][ T8598] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.751960][ T8598] team0: Port device team_slave_0 added [ 69.760380][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.804163][ T8598] team0: Port device team_slave_1 added [ 69.812829][ T8594] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.865144][ T8594] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.906512][ T8594] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.958016][ T8594] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.039709][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.048929][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.058182][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.067131][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.076409][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.085368][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.135672][ T8598] device hsr_slave_0 entered promiscuous mode [ 70.173846][ T8598] device hsr_slave_1 entered promiscuous mode [ 70.213090][ T8598] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.220677][ T8598] Cannot create hsr debugfs directory [ 70.261288][ T8602] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.272614][ T8602] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.280998][ T8602] device bridge_slave_0 entered promiscuous mode [ 70.290764][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.299983][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.332591][ T8602] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.345883][ T8602] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.353949][ T8602] device bridge_slave_1 entered promiscuous mode [ 70.373569][ T8602] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.382862][ T8589] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.398738][ T8589] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.406957][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.418582][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.435642][ T8602] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.522643][ T8602] team0: Port device team_slave_0 added [ 70.529454][ T8600] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.558921][ T8600] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.636196][ T8600] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.696427][ T8600] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.756142][ T8602] team0: Port device team_slave_1 added [ 70.764451][ T8598] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.804598][ T8598] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.885582][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.893608][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.901339][ T8598] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 70.934756][ T8598] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.011387][ T8594] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.025103][ T8592] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.055672][ T8602] device hsr_slave_0 entered promiscuous mode [ 71.103528][ T8602] device hsr_slave_1 entered promiscuous mode [ 71.143106][ T8602] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.150771][ T8602] Cannot create hsr debugfs directory [ 71.161662][ T8589] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.180339][ T2785] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.188573][ T2785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.213247][ T8594] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.231637][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.239487][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.247740][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.256611][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.280921][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.291008][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.302294][ T3159] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.309513][ T3159] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.320415][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.331297][ T8592] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.364947][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.376265][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.386417][ T2791] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.393676][ T2791] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.401335][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.409958][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.420786][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.428666][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.443707][ T8589] device veth0_vlan entered promiscuous mode [ 71.460614][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.472030][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.481355][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.490010][ T3177] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.497247][ T3177] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.507735][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.516224][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.561414][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.571547][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.581987][ T3177] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.589088][ T3177] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.597248][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.605924][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.614987][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.623996][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.632333][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.641498][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.651152][ T8589] device veth1_vlan entered promiscuous mode [ 71.680995][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.689811][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.698645][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.706802][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.715387][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.724384][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.732718][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.741320][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.773753][ T2785] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.782314][ T2785] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.798489][ T2785] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.807582][ T2785] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.821940][ T8602] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.861166][ T8600] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.869054][ T8592] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.884902][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.896750][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.905632][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.916435][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.927886][ T8594] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.941513][ T8602] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 72.003831][ T8602] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 176.972865][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.980712][ C0] rcu: 0-...!: (10499 ticks this GP) idle=c26/1/0x4000000000000002 softirq=13150/13150 fqs=5 [ 176.991212][ C0] (t=10501 jiffies g=7261 q=69) [ 176.996147][ C0] rcu: rcu_preempt kthread starved for 10492 jiffies! g7261 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 177.007231][ C0] rcu: RCU grace-period kthread stack dump: [ 177.013112][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 177.021026][ C0] Call Trace: [ 177.024332][ C0] __schedule+0x9a0/0xcc0 [ 177.028686][ C0] schedule+0x181/0x210 [ 177.032845][ C0] schedule_timeout+0x14f/0x240 [ 177.037714][ C0] ? run_local_timers+0x120/0x120 [ 177.042738][ C0] rcu_gp_kthread+0xed8/0x1770 [ 177.047506][ C0] kthread+0x332/0x350 [ 177.051568][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 177.056669][ C0] ? kthread_blkcg+0xe0/0xe0 [ 177.061254][ C0] ret_from_fork+0x24/0x30 [ 177.065692][ C0] NMI backtrace for cpu 0 [ 177.070021][ C0] CPU: 0 PID: 8609 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 177.078589][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.088631][ C0] Call Trace: [ 177.091904][ C0] [ 177.094747][ C0] dump_stack+0x1fb/0x318 [ 177.099096][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 177.103938][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 177.110085][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 177.116146][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 177.122119][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 177.128149][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 177.133279][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 177.138496][ C0] ? trace_hardirqs_off+0x74/0x80 [ 177.143537][ C0] update_process_times+0x12d/0x180 [ 177.148741][ C0] tick_sched_timer+0x263/0x420 [ 177.153586][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 177.159215][ C0] __hrtimer_run_queues+0x403/0x840 [ 177.164417][ C0] hrtimer_interrupt+0x38c/0xda0 [ 177.169385][ C0] ? debug_smp_processor_id+0x9/0x20 [ 177.174663][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 177.180240][ C0] apic_timer_interrupt+0xf/0x20 [ 177.185174][ C0] [ 177.188136][ C0] RIP: 0010:mod_memcg_page_state+0x123/0x190 [ 177.194116][ C0] Code: e8 22 8f 6a 00 48 83 3d b2 fd e1 07 00 74 70 e8 c3 26 2e 00 4c 89 ff 57 9d 0f 1f 44 00 00 e8 44 cf 33 00 eb 43 e8 ad 26 2e 00 3c e8 d6 cc 33 00 48 c7 c0 68 95 2a 89 48 c1 e8 03 42 80 3c 20 [ 177.213801][ C0] RSP: 0018:ffffc90001fa7e10 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 177.222225][ C0] RAX: ffffffff814897d3 RBX: 0000000000000000 RCX: ffff888069552080 [ 177.230189][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000253b580 [ 177.238158][ C0] RBP: ffffc90001fa7e30 R08: 000000000003a728 R09: ffffed1012a2a689 [ 177.246121][ C0] R10: ffffed1012a2a689 R11: 0000000000000000 R12: dffffc0000000000 [ 177.254102][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888095153438 [ 177.262082][ C0] ? mod_memcg_page_state+0x123/0x190 [ 177.267453][ C0] free_thread_stack+0x168/0x590 [ 177.272385][ C0] put_task_stack+0xa3/0x130 [ 177.276973][ C0] finish_task_switch+0x3f1/0x550 [ 177.282004][ C0] schedule_tail+0x20/0x1a0 [ 177.286501][ C0] ret_from_fork+0x8/0x30 [ 177.290980][ C0] RIP: 0033:0x45d919 [ 177.294929][ C0] Code: ff 48 85 f6 0f 84 d7 8c fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c ae 8c fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 [ 177.314538][ C0] RSP: 002b:00007fc6f2fe6db0 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 177.322945][ C0] RAX: 0000000000000000 RBX: 00007fc6f2fe7700 RCX: 000000000045d919 [ 177.330941][ C0] RDX: 00007fc6f2fe79d0 RSI: 00007fc6f2fe6db0 RDI: 00000000003d0f00 [ 177.338911][ C0] RBP: 00007ffda1bb0a20 R08: 00007fc6f2fe7700 R09: 00007fc6f2fe7700 [ 177.346896][ C0] R10: 00007fc6f2fe79d0 R11: 0000000000000202 R12: 0000000000000000 [ 177.354863][ C0] R13: 00007ffda1bb08bf R14: 00007fc6f2fe79c0 R15: 000000000075bfd4