[ 41.372271][ T25] audit: type=1800 audit(1575427682.672:27): pid=7877 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.395527][ T25] audit: type=1800 audit(1575427682.672:28): pid=7877 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. [ 42.008843][ T25] audit: type=1800 audit(1575427683.372:29): pid=7877 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 42.028759][ T25] audit: type=1800 audit(1575427683.372:30): pid=7877 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 '10.128.0.238' (ECDSA) to the list of known hosts. 2019/12/04 02:48:13 fuzzer started 2019/12/04 02:48:14 dialing manager at 10.128.0.26:42111 2019/12/04 02:48:14 syscalls: 2689 2019/12/04 02:48:14 code coverage: enabled 2019/12/04 02:48:14 comparison tracing: enabled 2019/12/04 02:48:14 extra coverage: extra coverage is not supported by the kernel 2019/12/04 02:48:14 setuid sandbox: enabled 2019/12/04 02:48:14 namespace sandbox: enabled 2019/12/04 02:48:14 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 02:48:14 fault injection: enabled 2019/12/04 02:48:14 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 02:48:14 net packet injection: enabled 2019/12/04 02:48:14 net device setup: enabled 2019/12/04 02:48:14 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 02:48:14 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:48:15 executing program 0: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = fcntl$dupfd(r0, 0x0, r0) bind$bt_rfcomm(r1, &(0x7f0000000000)={0x1f, {0xffffffffffffffff, 0x1ff, 0x3}}, 0xa) setsockopt$IP_VS_SO_SET_DEL(r1, 0x0, 0x484, 0x0, 0x0) 02:48:15 executing program 1: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r3, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") sendmsg$IPVS_CMD_DEL_DEST(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000100)={0x50, 0x0, 0x0, 0x0, 0x0, {}, [@IPVS_CMD_ATTR_DEST={0x391, 0x2, [@IPVS_DEST_ATTR_FWD_METHOD={0x8}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8}, @IPVS_DEST_ATTR_PORT, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8}]}, @IPVS_CMD_ATTR_SERVICE={0x6, 0x1, [@IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@rand_addr="880e9dae4b4c966aed653e2fbb55f0c2"}]}]}, 0x50}}, 0x0) writev(r1, &(0x7f0000000200)=[{&(0x7f00000000c0)="580000001400add427323b470c458c560a", 0x11}], 0x1) close(r2) socket$netlink(0x10, 0x3, 0x4) write$binfmt_misc(r1, &(0x7f0000000140)=ANY=[], 0x4240a2a0) splice(r0, 0x0, r2, 0x0, 0x4ffe0, 0x0) syzkaller login: [ 54.533389][ T8041] IPVS: ftp: loaded support on port[0] = 21 [ 54.691710][ T8041] chnl_net:caif_netlink_parms(): no params data found [ 54.735222][ T8044] IPVS: ftp: loaded support on port[0] = 21 [ 54.763819][ T8041] bridge0: port 1(bridge_slave_0) entered blocking state 02:48:16 executing program 2: r0 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000003000/0x2000)=nil, 0x2000, 0x0, 0x1012, r0, 0x0) r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setreuid(0x0, r4) mincore(&(0x7f0000003000/0x4000)=nil, 0x4000, &(0x7f00000004c0)=""/235) [ 54.786525][ T8041] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.794346][ T8041] device bridge_slave_0 entered promiscuous mode [ 54.819675][ T8041] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.829478][ T8041] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.847521][ T8041] device bridge_slave_1 entered promiscuous mode [ 54.894897][ T8041] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.927970][ T8041] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.971668][ T8041] team0: Port device team_slave_0 added [ 54.988461][ T8041] team0: Port device team_slave_1 added [ 55.000562][ T8046] IPVS: ftp: loaded support on port[0] = 21 02:48:16 executing program 3: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 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={0x4025, 0x4}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6(0xa, 0x3, 0xff) socket$inet6_udp(0xa, 0x2, 0x0) keyctl$instantiate(0xc, 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='new default user:syz 04096'], 0x1, 0x0) r0 = add_key(&(0x7f0000000140)='encrypted\x00', &(0x7f0000000180)={'syz'}, &(0x7f0000000100), 0xca, 0xfffffffffffffffe) add_key$user(&(0x7f0000000040)='user\x00', &(0x7f0000000000)={'syz'}, &(0x7f0000000440)='X', 0x1, 0xfffffffffffffffe) keyctl$read(0xb, r0, &(0x7f0000000240)=""/112, 0x349b7f55) [ 55.151147][ T8041] device hsr_slave_0 entered promiscuous mode [ 55.207455][ T8041] device hsr_slave_1 entered promiscuous mode 02:48:16 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0x1) setresuid(0x0, r1, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, 0x0, 0x0) [ 55.269669][ T8044] chnl_net:caif_netlink_parms(): no params data found [ 55.282158][ T8049] IPVS: ftp: loaded support on port[0] = 21 [ 55.407694][ T8041] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.460603][ T8041] netdevsim netdevsim0 netdevsim1: renamed from eth1 02:48:16 executing program 5: ioperm(0x0, 0x400, 0x3) r0 = socket$inet(0x2, 0x4000000805, 0x0) r1 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r0, r1, 0x0) [ 55.562778][ T8041] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.629660][ T8041] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.679586][ T8044] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.687048][ T8044] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.694712][ T8044] device bridge_slave_0 entered promiscuous mode [ 55.703759][ T8044] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.710868][ T8044] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.719319][ T8044] device bridge_slave_1 entered promiscuous mode [ 55.730108][ T8046] chnl_net:caif_netlink_parms(): no params data found [ 55.764478][ T8052] IPVS: ftp: loaded support on port[0] = 21 [ 55.770889][ T8054] IPVS: ftp: loaded support on port[0] = 21 [ 55.804412][ T8044] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.855777][ T8044] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.881093][ T8044] team0: Port device team_slave_0 added [ 55.890727][ T8046] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.898742][ T8046] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.906275][ T8046] device bridge_slave_0 entered promiscuous mode [ 55.914894][ T8046] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.922041][ T8046] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.929713][ T8046] device bridge_slave_1 entered promiscuous mode [ 55.938051][ T8049] chnl_net:caif_netlink_parms(): no params data found [ 55.952197][ T8044] team0: Port device team_slave_1 added [ 55.982433][ T8046] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.994515][ T8046] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.036751][ T8046] team0: Port device team_slave_0 added [ 56.043860][ T8046] team0: Port device team_slave_1 added [ 56.108143][ T8044] device hsr_slave_0 entered promiscuous mode [ 56.156940][ T8044] device hsr_slave_1 entered promiscuous mode [ 56.196631][ T8044] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.206784][ T8049] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.213847][ T8049] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.221622][ T8049] device bridge_slave_0 entered promiscuous mode [ 56.279040][ T8046] device hsr_slave_0 entered promiscuous mode [ 56.317000][ T8046] device hsr_slave_1 entered promiscuous mode [ 56.386510][ T8046] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.415177][ T8049] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.422877][ T8049] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.430946][ T8049] device bridge_slave_1 entered promiscuous mode [ 56.490463][ T8044] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.518839][ T8049] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.531461][ T8049] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.553699][ T8054] chnl_net:caif_netlink_parms(): no params data found [ 56.563361][ T8046] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.609220][ T8044] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.651827][ T8044] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.722324][ T8049] team0: Port device team_slave_0 added [ 56.728975][ T8046] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.798762][ T8046] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 56.840074][ T8046] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 56.899362][ T8044] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.980740][ T8049] team0: Port device team_slave_1 added [ 57.063020][ T8041] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.099167][ T8049] device hsr_slave_0 entered promiscuous mode [ 57.136879][ T8049] device hsr_slave_1 entered promiscuous mode [ 57.176557][ T8049] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.184180][ T8054] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.191396][ T8054] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.199522][ T8054] device bridge_slave_0 entered promiscuous mode [ 57.209581][ T8054] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.217288][ T8054] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.225008][ T8054] device bridge_slave_1 entered promiscuous mode [ 57.261346][ T8041] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.283744][ T8052] chnl_net:caif_netlink_parms(): no params data found [ 57.292745][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.301044][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.309970][ T8049] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.369973][ T8049] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.419584][ T8054] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.438269][ T8054] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.450347][ T8049] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.499606][ T8049] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 57.558451][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.567254][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.575642][ T8056] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.582843][ T8056] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.593776][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.641312][ T8055] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.650375][ T8055] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.659814][ T8055] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.666903][ T8055] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.674329][ T8055] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.683260][ T8055] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.705093][ T8054] team0: Port device team_slave_0 added [ 57.718616][ T8054] team0: Port device team_slave_1 added [ 57.725600][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.735455][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.743995][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.752944][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.762993][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.774892][ T8044] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.787203][ T8052] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.794249][ T8052] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.802606][ T8052] device bridge_slave_0 entered promiscuous mode [ 57.878303][ T8054] device hsr_slave_0 entered promiscuous mode [ 57.926748][ T8054] device hsr_slave_1 entered promiscuous mode [ 57.966585][ T8054] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.975690][ T8055] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.984261][ T8055] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.992476][ T8055] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.000756][ T8055] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.015201][ T8046] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.027556][ T8041] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.043347][ T8052] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.050746][ T8052] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.063776][ T8052] device bridge_slave_1 entered promiscuous mode [ 58.081924][ T8052] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.102322][ T8044] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.114000][ T8052] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.126011][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.134064][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.154059][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.163177][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.175841][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.184408][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.192854][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.199982][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.208137][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.215514][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.225989][ T8046] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.242054][ T8052] team0: Port device team_slave_0 added [ 58.250298][ T8052] team0: Port device team_slave_1 added [ 58.269700][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.301714][ T8041] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.310327][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.319349][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.328076][ T8056] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.337529][ T8056] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.345211][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.354173][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.362723][ T8056] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.369807][ T8056] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.377691][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.386074][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.394662][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.402933][ T8056] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.410023][ T8056] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.417623][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.425996][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.468214][ T8052] device hsr_slave_0 entered promiscuous mode [ 58.506788][ T8052] device hsr_slave_1 entered promiscuous mode [ 58.546603][ T8052] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.554187][ T8054] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 58.621917][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.630707][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.642133][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.651598][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.660554][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.669632][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.678749][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.688009][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.696237][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.704836][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.713234][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.721927][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.732115][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.740240][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.748030][ T8054] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 58.788424][ T8054] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 58.862674][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.875232][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.897579][ T8054] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 163.906390][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 163.913260][ C1] rcu: 1-...!: (10499 ticks this GP) idle=e76/1/0x4000000000000002 softirq=10901/10901 fqs=1 [ 163.923778][ C1] (t=10500 jiffies g=5913 q=48) [ 163.928706][ C1] rcu: rcu_preempt kthread starved for 10498 jiffies! g5913 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 163.940394][ C1] rcu: RCU grace-period kthread stack dump: [ 163.946270][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 163.954163][ C1] Call Trace: [ 163.957449][ C1] __schedule+0x9a0/0xcc0 [ 163.961775][ C1] schedule+0x181/0x210 [ 163.966018][ C1] schedule_timeout+0x14f/0x240 [ 163.970856][ C1] ? run_local_timers+0x120/0x120 [ 163.976394][ C1] rcu_gp_kthread+0xed8/0x1770 [ 163.981186][ C1] kthread+0x332/0x350 [ 163.985243][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 163.990449][ C1] ? kthread_blkcg+0xe0/0xe0 [ 163.995027][ C1] ret_from_fork+0x24/0x30 [ 163.999460][ C1] NMI backtrace for cpu 1 [ 164.003814][ C1] CPU: 1 PID: 8064 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 164.012038][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.022197][ C1] Call Trace: [ 164.025481][ C1] [ 164.028339][ C1] dump_stack+0x1fb/0x318 [ 164.032664][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.037501][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.043642][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.049891][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.055871][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.061754][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.067816][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.073009][ C1] ? trace_hardirqs_off+0x74/0x80 [ 164.078021][ C1] update_process_times+0x12d/0x180 [ 164.083210][ C1] tick_sched_timer+0x263/0x420 [ 164.088046][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.093589][ C1] __hrtimer_run_queues+0x403/0x840 [ 164.098902][ C1] hrtimer_interrupt+0x38c/0xda0 [ 164.103843][ C1] ? debug_smp_processor_id+0x9/0x20 [ 164.109210][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 164.114742][ C1] apic_timer_interrupt+0xf/0x20 [ 164.119680][ C1] [ 164.122609][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x31/0x50 [ 164.129011][ C1] Code: 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 <48> 8d 7e 01 8b 89 84 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 [ 164.150445][ C1] RSP: 0018:ffffc900027275f0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.158842][ C1] RAX: ffffffff81486ea4 RBX: ffffea000289f9c0 RCX: ffff88806c3a8040 [ 164.166975][ C1] RDX: ffffc90001f89000 RSI: 000000000003ffff RDI: 0000000000040000 [ 164.174934][ C1] RBP: ffffc90002727630 R08: 000000000003a768 R09: ffffed10150fe287 [ 164.183073][ C1] R10: ffffed10150fe287 R11: 0000000000000000 R12: ffff88809fbb5020 [ 164.200059][ C1] R13: dffffc0000000000 R14: 1ffff11013f76a04 R15: ffff8880a87f1428 [ 164.208117][ C1] ? free_thread_stack+0x124/0x590 [ 164.213484][ C1] ? free_thread_stack+0x124/0x590 [ 164.218584][ C1] put_task_stack+0xa3/0x130 [ 164.223165][ C1] finish_task_switch+0x3f1/0x550 [ 164.228210][ C1] __schedule+0x9a8/0xcc0 [ 164.234626][ C1] preempt_schedule_irq+0xc1/0x140 [ 164.239729][ C1] retint_kernel+0x1b/0x2b [ 164.244134][ C1] RIP: 0010:lock_release+0x4c7/0x780 [ 164.249839][ C1] Code: 48 c1 e8 03 80 3c 10 00 74 0c 48 c7 c7 28 96 0a 89 e8 9d 5b 56 00 48 83 3d bd de ae 07 00 0f 84 8c 02 00 00 48 8b 7d 88 57 9d <0f> 1f 44 00 00 65 48 8b 04 25 28 00 00 00 48 3b 45 d0 0f 85 70 02 [ 164.270257][ C1] RSP: 0018:ffffc90002727848 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 164.278720][ C1] RAX: 1ffffffff12152c5 RBX: ffff88806c3a88c8 RCX: ffffffff815bbb47 [ 164.286688][ C1] RDX: dffffc0000000000 RSI: ffff88806c3a88f8 RDI: 0000000000000286 [ 164.294742][ C1] RBP: ffffc900027278c8 R08: dffffc0000000000 R09: fffffbfff12877ed [ 164.302727][ C1] R10: fffffbfff12877ed R11: 0000000000000000 R12: 0000000000000000 [ 164.310774][ C1] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000000002002b [ 164.318838][ C1] ? trace_lock_release+0x117/0x1a0 [ 164.324031][ C1] ? rcu_lock_release+0x4/0x20 [ 164.328803][ C1] rcu_lock_release+0x10/0x20 [ 164.333553][ C1] memcg_kmem_get_cache+0x335/0x590 [ 164.338737][ C1] ? __should_failslab+0x11a/0x160 [ 164.344020][ C1] ? __d_alloc+0x2d/0x6e0 [ 164.348340][ C1] kmem_cache_alloc+0x86/0x2e0 [ 164.353249][ C1] __d_alloc+0x2d/0x6e0 [ 164.362476][ C1] ? __ns_get_path+0x2bc/0x5e0 [ 164.367329][ C1] d_alloc_anon+0x17/0x20 [ 164.371648][ C1] __ns_get_path+0x36e/0x5e0 [ 164.376935][ C1] ns_get_path+0x66/0x90 [ 164.381184][ C1] proc_ns_get_link+0xa2/0x180 [ 164.386115][ C1] ? proc_ns_instantiate+0x110/0x110 [ 164.391651][ C1] trailing_symlink+0x5a2/0xbc0 [ 164.396853][ C1] path_openat+0x30f2/0x44a0 [ 164.401490][ C1] do_filp_open+0x192/0x3d0 [ 164.406359][ C1] do_sys_open+0x29f/0x560 [ 164.410803][ C1] __x64_sys_open+0x87/0x90 [ 164.415320][ C1] do_syscall_64+0xf7/0x1c0 [ 164.419817][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.425780][ C1] RIP: 0033:0x414411 [ 164.429705][ C1] Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 164.449390][ C1] RSP: 002b:00007fd6ef1ebc10 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 [ 164.457795][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000414411 [ 164.465761][ C1] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00000000004bf3b9 [ 164.473818][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 164.483188][ C1] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fd6ef1ec6d4 [ 164.491165][ C1] R13: 00000000004ca84d R14: 00000000004e3c70 R15: 00000000ffffffff