[ 48.095274][ T23] audit: type=1800 audit(1575426804.439:26): pid=8068 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.137464][ T23] audit: type=1800 audit(1575426804.439:27): pid=8068 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 48.172229][ T23] audit: type=1800 audit(1575426804.439:28): pid=8068 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. [ 48.714534][ T23] audit: type=1800 audit(1575426805.079:29): pid=8068 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.51' (ECDSA) to the list of known hosts. 2019/12/04 02:33:34 fuzzer started 2019/12/04 02:33:36 dialing manager at 10.128.0.26:42111 2019/12/04 02:33:36 syscalls: 2689 2019/12/04 02:33:36 code coverage: enabled 2019/12/04 02:33:36 comparison tracing: enabled 2019/12/04 02:33:36 extra coverage: extra coverage is not supported by the kernel 2019/12/04 02:33:36 setuid sandbox: enabled 2019/12/04 02:33:36 namespace sandbox: enabled 2019/12/04 02:33:36 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 02:33:36 fault injection: enabled 2019/12/04 02:33:36 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 02:33:36 net packet injection: enabled 2019/12/04 02:33:36 net device setup: enabled 2019/12/04 02:33:36 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 02:33:36 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:33:37 executing program 0: openat$random(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/random\x00', 0x0, 0x0) clock_gettime(0x0, &(0x7f0000000180)={0x0, 0x0}) recvmmsg(0xffffffffffffffff, 0x0, 0x10, 0x0, &(0x7f0000003280)={0x0, r0+30000000}) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='fd/3\x00') preadv(r1, &(0x7f00000017c0), 0x35b, 0x0) 02:33:37 executing program 1: r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000040)={'ifb0\x00', 0xffffbffffffffffd}) syzkaller login: [ 61.104084][ T8233] IPVS: ftp: loaded support on port[0] = 21 [ 61.269288][ T8233] chnl_net:caif_netlink_parms(): no params data found [ 61.285574][ T8236] IPVS: ftp: loaded support on port[0] = 21 02:33:37 executing program 2: perf_event_open(&(0x7f0000000340)={0x2, 0x70, 0xeb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setpgid(0x0, 0xffffffffffffffff) [ 61.339952][ T8233] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.347653][ T8233] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.356003][ T8233] device bridge_slave_0 entered promiscuous mode [ 61.365773][ T8233] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.373085][ T8233] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.381041][ T8233] device bridge_slave_1 entered promiscuous mode [ 61.408616][ T8233] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.437582][ T8233] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.482820][ T8233] team0: Port device team_slave_0 added [ 61.497836][ T8233] team0: Port device team_slave_1 added 02:33:38 executing program 3: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) r1 = socket$rds(0x15, 0x5, 0x0) r2 = dup3(r0, r1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000400)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r4, &(0x7f0000000440)=ANY=[@ANYBLOB="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"], 0x15) r5 = dup(r4) write$FUSE_BMAP(r5, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r5, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000580)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000001c0)={[{@lowerdir={'lowerdir', 0x3d, './bus'}}, {@workdir={'workdir', 0x3d, './file1'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]}) [ 61.588646][ T8233] device hsr_slave_0 entered promiscuous mode [ 61.646574][ T8233] device hsr_slave_1 entered promiscuous mode [ 61.705566][ T8238] IPVS: ftp: loaded support on port[0] = 21 [ 61.780972][ T8241] IPVS: ftp: loaded support on port[0] = 21 [ 61.802104][ T8236] chnl_net:caif_netlink_parms(): no params data found [ 61.840638][ T8233] netdevsim netdevsim0 netdevsim0: renamed from eth0 02:33:38 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000000c0)=@ipv4_delroute={0x24, 0x19, 0x111, 0x0, 0x0, {}, [@RTA_ENCAP_TYPE={0x8}]}, 0x24}}, 0x0) [ 61.915529][ T8233] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.982528][ T8233] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.062769][ T8236] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.070479][ T8236] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.080364][ T8236] device bridge_slave_0 entered promiscuous mode [ 62.090257][ T8236] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.099543][ T8236] bridge0: port 2(bridge_slave_1) entered disabled state 02:33:38 executing program 5: r0 = socket(0x11, 0x800000003, 0x0) bind(r0, &(0x7f0000000080)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r0, &(0x7f0000000040)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000140)=0x14) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000980)=ANY=[@ANYBLOB="d00800002400ffffff7f00000000ffffa6fffff7", @ANYRES32=r1, @ANYBLOB="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"], 0x8d0}}, 0x0) r2 = socket(0x800000010, 0x1000000002, 0x0) sendmmsg$alg(r2, &(0x7f0000000140)=[{0x2, 0x0, &(0x7f0000000100), 0x0, &(0x7f0000000100)}], 0x492492492492601, 0x0) [ 62.107532][ T8236] device bridge_slave_1 entered promiscuous mode [ 62.121887][ T8243] IPVS: ftp: loaded support on port[0] = 21 [ 62.130143][ T8233] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.235918][ T8233] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.243047][ T8233] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.250977][ T8233] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.258084][ T8233] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.277189][ T8236] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.287811][ T2935] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.296245][ T2935] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.318616][ T8236] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.342612][ T8245] IPVS: ftp: loaded support on port[0] = 21 [ 62.361409][ T8236] team0: Port device team_slave_0 added [ 62.391888][ T8236] team0: Port device team_slave_1 added [ 62.506860][ T8238] chnl_net:caif_netlink_parms(): no params data found [ 62.519256][ T8243] chnl_net:caif_netlink_parms(): no params data found [ 62.528112][ T8241] chnl_net:caif_netlink_parms(): no params data found [ 62.598553][ T8236] device hsr_slave_0 entered promiscuous mode [ 62.636277][ T8236] device hsr_slave_1 entered promiscuous mode [ 62.696355][ T8236] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.744759][ T8241] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.752513][ T8241] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.762672][ T8241] device bridge_slave_0 entered promiscuous mode [ 62.770954][ T8241] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.778307][ T8241] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.785980][ T8241] device bridge_slave_1 entered promiscuous mode [ 62.811569][ T8238] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.819266][ T8238] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.827697][ T8238] device bridge_slave_0 entered promiscuous mode [ 62.839403][ T8238] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.846578][ T8238] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.854166][ T8238] device bridge_slave_1 entered promiscuous mode [ 62.862792][ T8241] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.896009][ T8238] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.924068][ T8241] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.955570][ T8238] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.989958][ T8243] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.999420][ T8243] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.007463][ T8243] device bridge_slave_0 entered promiscuous mode [ 63.023090][ T8241] team0: Port device team_slave_0 added [ 63.034697][ T8236] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 63.081031][ T8243] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.088281][ T8243] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.098449][ T8243] device bridge_slave_1 entered promiscuous mode [ 63.107132][ T8238] team0: Port device team_slave_0 added [ 63.113742][ T8241] team0: Port device team_slave_1 added [ 63.119697][ T8245] chnl_net:caif_netlink_parms(): no params data found [ 63.134732][ T8236] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 63.187794][ T8236] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 63.252734][ T8236] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 63.309207][ T8238] team0: Port device team_slave_1 added [ 63.341310][ T8233] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.355053][ T8243] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.417587][ T8241] device hsr_slave_0 entered promiscuous mode [ 63.456243][ T8241] device hsr_slave_1 entered promiscuous mode [ 63.506290][ T8241] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.523725][ T8245] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.531369][ T8245] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.539168][ T8245] device bridge_slave_0 entered promiscuous mode [ 63.552853][ T8233] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.567941][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.576420][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.584892][ T8243] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.608568][ T8245] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.617240][ T8245] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.625084][ T8245] device bridge_slave_1 entered promiscuous mode [ 63.697924][ T8238] device hsr_slave_0 entered promiscuous mode [ 63.756145][ T8238] device hsr_slave_1 entered promiscuous mode [ 63.806200][ T8238] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.823501][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.832110][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.840670][ T2935] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.847872][ T2935] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.855456][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.864382][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.872899][ T2935] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.879999][ T2935] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.891076][ T8243] team0: Port device team_slave_0 added [ 63.901878][ T8243] team0: Port device team_slave_1 added [ 63.925646][ T8245] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.958266][ T8245] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.999734][ T8243] device hsr_slave_0 entered promiscuous mode [ 64.046265][ T8243] device hsr_slave_1 entered promiscuous mode [ 64.086146][ T8243] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.097509][ T8241] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 64.150574][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.159657][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.178623][ T8238] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.241667][ T8241] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 64.279018][ T8241] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 64.330270][ T8245] team0: Port device team_slave_0 added [ 64.336291][ T8238] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 64.389634][ T8238] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.444110][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.455623][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.464635][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.472504][ T8241] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 64.519034][ T8245] team0: Port device team_slave_1 added [ 64.529034][ T8238] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 64.568916][ T8243] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 64.627535][ T8243] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 64.680085][ T8243] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 64.744579][ T8243] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 64.823836][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.832761][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.842101][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.850811][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.859557][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.868262][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.880944][ T8236] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.949875][ T8245] device hsr_slave_0 entered promiscuous mode [ 64.986380][ T8245] device hsr_slave_1 entered promiscuous mode [ 65.016016][ T8245] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.056793][ T8236] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.071543][ T8233] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.086778][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.094866][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.119641][ T8245] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 65.148886][ T8245] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 65.199741][ T8245] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 65.246214][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.253944][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.274270][ T8245] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 65.331155][ T8233] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.341483][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.350931][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.360054][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.367288][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.383355][ T8238] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.404456][ T8238] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.413515][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.422462][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.431726][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.473655][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.483997][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.493364][ T3182] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.500704][ T3182] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.548557][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.559858][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.569723][ T3182] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.576906][ T3182] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.588533][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.598318][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.609803][ T3182] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.617274][ T3182] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.625910][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.634978][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.644573][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.674217][ T8241] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.689293][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.700559][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.710120][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.719586][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.729785][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.757275][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.765167][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.779885][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.790230][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.799150][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.807934][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.818180][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.826713][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.835059][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.843812][ T3182] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 170.775809][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.782590][ C1] rcu: 1-...!: (10499 ticks this GP) idle=3ba/1/0x4000000000000002 softirq=11568/11568 fqs=37 [ 170.793263][ C1] (t=10500 jiffies g=7169 q=73) [ 170.798201][ C1] rcu: rcu_preempt kthread starved for 10421 jiffies! g7169 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 170.809283][ C1] rcu: RCU grace-period kthread stack dump: [ 170.815179][ C1] rcu_preempt R running task 28864 10 2 0x80004000 [ 170.823088][ C1] Call Trace: [ 170.826386][ C1] __schedule+0x9a0/0xcc0 [ 170.830718][ C1] schedule+0x181/0x210 [ 170.834864][ C1] schedule_timeout+0x14f/0x240 [ 170.839889][ C1] ? run_local_timers+0x120/0x120 [ 170.844902][ C1] rcu_gp_kthread+0xed8/0x1770 [ 170.849688][ C1] kthread+0x332/0x350 [ 170.853764][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 170.858986][ C1] ? kthread_blkcg+0xe0/0xe0 [ 170.863573][ C1] ret_from_fork+0x24/0x30 [ 170.868021][ C1] NMI backtrace for cpu 1 [ 170.872519][ C1] CPU: 1 PID: 8250 Comm: kworker/1:3 Not tainted 5.4.0-syzkaller #0 [ 170.880476][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.890529][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 170.896505][ C1] Call Trace: [ 170.899788][ C1] [ 170.902645][ C1] dump_stack+0x1fb/0x318 [ 170.907117][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 170.911995][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 170.918155][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 170.924210][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 170.930641][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 170.936802][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 170.941914][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 170.947630][ C1] ? trace_hardirqs_off+0x74/0x80 [ 170.952681][ C1] update_process_times+0x12d/0x180 [ 170.958304][ C1] tick_sched_timer+0x263/0x420 [ 170.964914][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 170.971372][ C1] __hrtimer_run_queues+0x403/0x840 [ 170.977152][ C1] hrtimer_interrupt+0x38c/0xda0 [ 170.984798][ C1] ? debug_smp_processor_id+0x9/0x20 [ 170.992256][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 171.001987][ C1] apic_timer_interrupt+0xf/0x20 [ 171.007084][ C1] [ 171.010381][ C1] RIP: 0010:__memcg_kmem_uncharge+0x44/0x2e0 [ 171.019519][ C1] Code: 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 00 00 89 d9 d3 e0 <4d> 85 ff 0f 84 bf 01 00 00 4c 39 3d 04 ce 8c 07 0f 84 6e 02 00 00 [ 171.042066][ C1] RSP: 0018:ffffc900020b78a8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 171.053159][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 171.063841][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00028cdb80 [ 171.073604][ C1] RBP: ffffc900020b78d8 R08: 000000000003a768 R09: ffffed10150cb327 [ 171.082983][ C1] R10: ffffed10150cb327 R11: 0000000000000000 R12: ffffea00028cdb80 [ 171.091689][ C1] R13: 1ffffd4000519b77 R14: ffffea00028cdbb8 R15: 0000000000000000 [ 171.100576][ C1] ? free_thread_stack+0x124/0x590 [ 171.105858][ C1] free_thread_stack+0x12e/0x590 [ 171.111615][ C1] put_task_stack+0xa3/0x130 [ 171.116282][ C1] finish_task_switch+0x3f1/0x550 [ 171.121476][ C1] __schedule+0x9a8/0xcc0 [ 171.125884][ C1] ? mutex_spin_on_owner+0x35a/0x370 [ 171.131594][ C1] schedule+0x181/0x210 [ 171.136623][ C1] schedule_preempt_disabled+0x13/0x20 [ 171.143131][ C1] mutex_optimistic_spin+0x445/0x480 [ 171.149454][ C1] __mutex_lock_common+0x1673/0x2e10 [ 171.155617][ C1] ? rtnl_lock+0x17/0x20 [ 171.162227][ C1] mutex_lock_nested+0x1b/0x30 [ 171.167421][ C1] rtnl_lock+0x17/0x20 [ 171.171680][ C1] addrconf_dad_work+0x69/0x1c30 [ 171.176697][ C1] ? rcu_read_lock_sched_held+0x10b/0x170 [ 171.182759][ C1] process_one_work+0x7ef/0x10d0 [ 171.188419][ C1] worker_thread+0xc01/0x1630 [ 171.194258][ C1] kthread+0x332/0x350 [ 171.198432][ C1] ? rcu_lock_release+0x30/0x30 [ 171.203359][ C1] ? kthread_blkcg+0xe0/0xe0 [ 171.209361][ C1] ret_from_fork+0x24/0x30