[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.564744][ T28] audit: type=1800 audit(1578446159.771:25): pid=8375 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.584124][ T28] audit: type=1800 audit(1578446159.771:26): pid=8375 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.644723][ T28] audit: type=1800 audit(1578446159.771:27): pid=8375 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 '10.128.1.43' (ECDSA) to the list of known hosts. 2020/01/08 01:16:10 fuzzer started 2020/01/08 01:16:11 dialing manager at 10.128.0.26:35703 2020/01/08 01:16:11 syscalls: 2824 2020/01/08 01:16:11 code coverage: enabled 2020/01/08 01:16:11 comparison tracing: enabled 2020/01/08 01:16:11 extra coverage: enabled 2020/01/08 01:16:11 setuid sandbox: enabled 2020/01/08 01:16:11 namespace sandbox: enabled 2020/01/08 01:16:11 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 01:16:11 fault injection: enabled 2020/01/08 01:16:11 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 01:16:11 net packet injection: enabled 2020/01/08 01:16:11 net device setup: enabled 2020/01/08 01:16:11 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 01:16:11 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:16:12 executing program 0: perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x1f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=@newlink={0x44, 0x10, 0x501, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, @bridge={{0xc, 0x1, 'bridge\x00'}, {0x14, 0x2, [@IFLA_BR_MCAST_MLD_VERSION={0x8, 0x2c, 0x1}, @IFLA_BR_NF_CALL_IPTABLES={0x8}]}}}]}, 0x44}}, 0x0) 01:16:12 executing program 1: r0 = socket(0x80000000000000a, 0x2, 0x0) setsockopt$inet6_group_source_req(r0, 0x29, 0x2a, &(0x7f0000000200)={0x0, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x7}}}, {{0xa, 0x0, 0x0, @remote}}}, 0x108) setsockopt$inet6_group_source_req(r0, 0x29, 0x2b, &(0x7f0000000200)={0x0, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x7}}}, {{0xa, 0x0, 0x0, @loopback}}}, 0x108) r1 = socket(0x80000000000000a, 0x2, 0x0) setsockopt$inet6_group_source_req(r1, 0x29, 0x2a, &(0x7f0000000080)={0x1, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x7}}}, {{0xa, 0x0, 0x0, @remote}}}, 0x108) setsockopt$inet6_group_source_req(r1, 0x29, 0x2e, &(0x7f0000000200)={0x0, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x7}}}, {{0xa, 0x0, 0x0, @remote}}}, 0x108) r2 = socket(0x80000000000000a, 0x2, 0x0) setsockopt$inet6_group_source_req(r2, 0x29, 0x2a, &(0x7f0000000200)={0x0, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x7}}}, {{0xa, 0x0, 0x0, @remote}}}, 0x108) setsockopt$inet6_group_source_req(r2, 0x29, 0x2b, &(0x7f0000000200)={0x0, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x7}}}, {{0xa, 0x0, 0x0, @loopback}}}, 0x108) close(r0) r3 = socket(0x80000000000000a, 0x2, 0x0) setsockopt$inet6_group_source_req(r3, 0x29, 0x2a, &(0x7f0000000200)={0x0, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x7}}}, {{0xa, 0x0, 0x0, @remote}}}, 0x108) setsockopt$inet6_group_source_req(r3, 0x29, 0x2b, &(0x7f0000000200)={0x0, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x7}}}, {{0xa, 0x0, 0x0, @loopback}}}, 0x108) syzkaller login: [ 66.640179][ T8542] IPVS: ftp: loaded support on port[0] = 21 [ 66.776905][ T8542] chnl_net:caif_netlink_parms(): no params data found 01:16:13 executing program 2: mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x4, 0x31, 0xffffffffffffffff, 0x0) r0 = socket$vsock_stream(0x28, 0x1, 0x0) getsockopt$inet6_int(r0, 0x28, 0x1d, 0x0, &(0x7f0000000040)=0x256) [ 66.858036][ T8545] IPVS: ftp: loaded support on port[0] = 21 [ 66.869925][ T8542] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.892436][ T8542] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.900494][ T8542] device bridge_slave_0 entered promiscuous mode [ 66.921437][ T8542] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.930013][ T8542] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.939121][ T8542] device bridge_slave_1 entered promiscuous mode [ 66.987281][ T8542] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.013594][ T8542] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.069038][ T8542] team0: Port device team_slave_0 added [ 67.104632][ T8542] team0: Port device team_slave_1 added 01:16:13 executing program 3: mmap(&(0x7f0000ee5000/0x1000)=nil, 0x1000, 0x1800004, 0x2aeb4800bb21a972, 0xffffffffffffffff, 0x0) r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r1 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") setsockopt$inet6_MRT6_ADD_MFC(r0, 0x29, 0xcc, &(0x7f0000ee5000)={{0xa, 0x0, 0x0, @mcast1}, {0xa, 0x0, 0x0, @initdev}}, 0x5c) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r0, 0x29, 0xd2, &(0x7f0000001a80)={{0xa, 0x0, 0x0, @empty}, {0xa, 0x0, 0x0, @empty}, 0x6}, 0x5c) [ 67.118548][ T8545] chnl_net:caif_netlink_parms(): no params data found [ 67.206259][ T8542] device hsr_slave_0 entered promiscuous mode [ 67.262625][ T8542] device hsr_slave_1 entered promiscuous mode [ 67.331740][ T8550] IPVS: ftp: loaded support on port[0] = 21 [ 67.339329][ T8548] IPVS: ftp: loaded support on port[0] = 21 01:16:13 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000bfff0)={&(0x7f0000006440)=@updpolicy={0xb8, 0x19, 0x1, 0x0, 0x0, {{@in6=@mcast1, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0xa, 0x0, 0x190}}}, 0xb8}}, 0x0) [ 67.442823][ T8545] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.450022][ T8545] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.470993][ T8545] device bridge_slave_0 entered promiscuous mode [ 67.514110][ T8545] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.521284][ T8545] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.529759][ T8545] device bridge_slave_1 entered promiscuous mode [ 67.629511][ T8545] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.675185][ T8542] netdevsim netdevsim0 netdevsim0: renamed from eth0 01:16:13 executing program 5: r0 = socket$tipc(0x1e, 0x2, 0x0) getsockopt$TIPC_NODE_RECVQ_DEPTH(r0, 0x10f, 0x83, &(0x7f0000000000), &(0x7f00000000c0)=0x4) [ 67.773676][ T8545] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.797787][ T8542] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.864016][ T8542] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.929358][ T8542] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.984684][ T8550] chnl_net:caif_netlink_parms(): no params data found [ 68.005730][ T8553] IPVS: ftp: loaded support on port[0] = 21 [ 68.014437][ T8555] IPVS: ftp: loaded support on port[0] = 21 [ 68.071533][ T8548] chnl_net:caif_netlink_parms(): no params data found [ 68.084436][ T8545] team0: Port device team_slave_0 added [ 68.095657][ T8545] team0: Port device team_slave_1 added [ 68.131338][ T8550] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.138711][ T8550] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.147474][ T8550] device bridge_slave_0 entered promiscuous mode [ 68.175459][ T8550] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.183361][ T8550] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.191175][ T8550] device bridge_slave_1 entered promiscuous mode [ 68.255072][ T8545] device hsr_slave_0 entered promiscuous mode [ 68.302729][ T8545] device hsr_slave_1 entered promiscuous mode [ 68.342477][ T8545] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.350334][ T8545] Cannot create hsr debugfs directory [ 68.365143][ T8550] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.383528][ T8550] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.408161][ T8548] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.415998][ T8548] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.424850][ T8548] device bridge_slave_0 entered promiscuous mode [ 68.436208][ T8548] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.444232][ T8548] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.451958][ T8548] device bridge_slave_1 entered promiscuous mode [ 68.487795][ T8550] team0: Port device team_slave_0 added [ 68.499607][ T8550] team0: Port device team_slave_1 added [ 68.545793][ T8548] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.558326][ T8548] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.616058][ T8555] chnl_net:caif_netlink_parms(): no params data found [ 68.665438][ T8550] device hsr_slave_0 entered promiscuous mode [ 68.702747][ T8550] device hsr_slave_1 entered promiscuous mode [ 68.762451][ T8550] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.770821][ T8550] Cannot create hsr debugfs directory [ 68.779628][ T8548] team0: Port device team_slave_0 added [ 68.818774][ T8548] team0: Port device team_slave_1 added [ 68.871899][ T8553] chnl_net:caif_netlink_parms(): no params data found [ 68.889275][ T8555] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.897549][ T8555] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.905936][ T8555] device bridge_slave_0 entered promiscuous mode [ 68.919941][ T8555] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.927462][ T8555] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.935722][ T8555] device bridge_slave_1 entered promiscuous mode [ 69.005083][ T8548] device hsr_slave_0 entered promiscuous mode [ 69.042736][ T8548] device hsr_slave_1 entered promiscuous mode [ 69.092393][ T8548] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.100246][ T8548] Cannot create hsr debugfs directory [ 69.180853][ T8555] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.192150][ T8555] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.222996][ T8545] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 69.258025][ T8545] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 69.304371][ T8553] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.311635][ T8553] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.319588][ T8553] device bridge_slave_0 entered promiscuous mode [ 69.330634][ T8553] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.337830][ T8553] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.346020][ T8553] device bridge_slave_1 entered promiscuous mode [ 69.361648][ T8542] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.376818][ T8545] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.437370][ T8545] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.511020][ T8555] team0: Port device team_slave_0 added [ 69.523714][ T8553] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.539491][ T8542] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.551670][ T8555] team0: Port device team_slave_1 added [ 69.560185][ T8550] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.605842][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.615009][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.624506][ T8553] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.654371][ T8550] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.694679][ T8550] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.736552][ T8550] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.798344][ T8553] team0: Port device team_slave_0 added [ 69.814410][ T8553] team0: Port device team_slave_1 added [ 69.821243][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.830462][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.839400][ T3012] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.846864][ T3012] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.905263][ T8555] device hsr_slave_0 entered promiscuous mode [ 69.942716][ T8555] device hsr_slave_1 entered promiscuous mode [ 69.982552][ T8555] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.990632][ T8555] Cannot create hsr debugfs directory [ 70.007064][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.016018][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.024849][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.033349][ T3011] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.040398][ T3011] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.115283][ T8553] device hsr_slave_0 entered promiscuous mode [ 70.152694][ T8553] device hsr_slave_1 entered promiscuous mode [ 70.192403][ T8553] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.200007][ T8553] Cannot create hsr debugfs directory [ 70.228225][ T8548] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 70.274522][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.283455][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.324907][ T8548] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 70.357717][ T8548] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 70.397895][ T8548] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.501550][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.510500][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.522814][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.560442][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.570386][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.591998][ T8542] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.604879][ T8542] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.618225][ T8550] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.632626][ T8545] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.639956][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.648817][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.657693][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.666574][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.675594][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.706635][ T8545] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.719384][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.728282][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.736285][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.744133][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.757847][ T8550] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.766268][ T8555] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.818258][ T8555] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.879255][ T8555] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.938790][ T8555] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.994522][ T8542] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.012681][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.021239][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.029944][ T3010] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.037058][ T3010] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.046273][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.055149][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.063814][ T3010] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.070881][ T3010] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.078532][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.086495][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.094072][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.102889][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.111207][ T3010] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.118326][ T3010] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.126015][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.134610][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.143237][ T3010] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.150274][ T3010] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.158235][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.166959][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.207599][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.218115][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.228013][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.237803][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.246829][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.255571][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.265937][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.274825][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.286194][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.303226][ T8553] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 71.341746][ T8550] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.353246][ T8550] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.378038][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.387093][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.396589][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.406520][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.415617][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.424283][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.432909][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.441222][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.449639][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.458565][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.469261][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.477464][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.493589][ T8553] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 71.538037][ T8553] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 71.595878][ T8553] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 71.666654][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.677751][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.686797][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.695646][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.706992][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.739273][ T8548] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.779415][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.787966][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.796885][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.804869][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.812708][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.820326][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.839220][ T8542] device veth0_vlan entered promiscuous mode [ 71.852761][ T8550] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.860742][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.868588][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.888131][ T8548] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.899270][ T8545] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.909867][ T8542] device veth1_vlan entered promiscuous mode [ 71.927659][ T8555] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.935663][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.944634][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.953656][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.991636][ T8555] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.013234][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.021342][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.031624][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.041002][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.049044][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.057439][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.066684][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.075538][ T3011] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.082681][ T3011] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.090255][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.098948][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.107517][ T3011] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.114667][ T3011] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.123219][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.159496][ T8545] device veth0_vlan entered promiscuous mode [ 72.181125][ T8545] device veth1_vlan entered promiscuous mode [ 72.199933][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.209639][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.219025][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.228168][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.241581][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.250300][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.259201][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.281704][ T8550] device veth0_vlan entered promiscuous mode [ 72.311359][ T8550] device veth1_vlan entered promiscuous mode [ 72.364525][ T8555] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.375055][ T8555] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.409182][ T8555] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 177.222234][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 177.229341][ C0] rcu: 0-...!: (10499 ticks this GP) idle=a8e/1/0x4000000000000002 softirq=14837/14837 fqs=10 [ 177.239935][ C0] (t=10501 jiffies g=6777 q=468) [ 177.244976][ C0] rcu: rcu_preempt kthread starved for 10482 jiffies! g6777 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 177.256240][ C0] rcu: RCU grace-period kthread stack dump: [ 177.262123][ C0] rcu_preempt I29032 10 2 0x80004000 [ 177.268446][ C0] Call Trace: [ 177.271739][ C0] __schedule+0x9a0/0xcc0 [ 177.276078][ C0] schedule+0x181/0x210 [ 177.280232][ C0] schedule_timeout+0x14f/0x240 [ 177.285072][ C0] ? run_local_timers+0x120/0x120 [ 177.290089][ C0] rcu_gp_kthread+0xed8/0x1770 [ 177.294851][ C0] kthread+0x332/0x350 [ 177.298922][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 177.304039][ C0] ? kthread_blkcg+0xe0/0xe0 [ 177.308795][ C0] ret_from_fork+0x24/0x30 [ 177.313269][ C0] NMI backtrace for cpu 0 [ 177.317589][ C0] CPU: 0 PID: 8542 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 177.326155][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.336210][ C0] Call Trace: [ 177.339505][ C0] [ 177.342445][ C0] dump_stack+0x1fb/0x318 [ 177.346796][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 177.351816][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 177.357973][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 177.364044][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 177.370037][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 177.375924][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 177.381030][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 177.386218][ C0] ? trace_hardirqs_off+0x74/0x80 [ 177.391237][ C0] update_process_times+0x12d/0x180 [ 177.396438][ C0] tick_sched_timer+0x263/0x420 [ 177.401278][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 177.406907][ C0] __hrtimer_run_queues+0x403/0x840 [ 177.412144][ C0] hrtimer_interrupt+0x38c/0xda0 [ 177.417087][ C0] ? debug_smp_processor_id+0x9/0x20 [ 177.422363][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 177.427897][ C0] apic_timer_interrupt+0xf/0x20 [ 177.432817][ C0] [ 177.435745][ C0] RIP: 0010:__memcg_kmem_uncharge+0x6/0x1a0 [ 177.441628][ C0] Code: bf ac 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff [ 177.461253][ C0] RSP: 0018:ffffc900022b7bb8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 177.469751][ C0] RAX: ffffffff81489244 RBX: ffffea00028af5c0 RCX: ffff88807d5a2080 [ 177.477816][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00028af5c0 [ 177.485780][ C0] RBP: ffffc900022b7bc0 R08: 000000000003a728 R09: ffffed10116c1739 [ 177.494003][ C0] R10: ffffed10116c1739 R11: 0000000000000000 R12: ffff8880a72390a0 [ 177.501961][ C0] R13: dffffc0000000000 R14: 1ffff11014e47214 R15: ffff88808b60b9b8 [ 177.509937][ C0] ? free_thread_stack+0x124/0x590 [ 177.515049][ C0] free_thread_stack+0x12e/0x590 [ 177.519979][ C0] put_task_stack+0xa3/0x130 [ 177.524562][ C0] finish_task_switch+0x3f1/0x550 [ 177.529579][ C0] __schedule+0x9a8/0xcc0 [ 177.533924][ C0] schedule+0x181/0x210 [ 177.538071][ C0] do_nanosleep+0x1d0/0x6c0 [ 177.542590][ C0] hrtimer_nanosleep+0x3a6/0x5b0 [ 177.547520][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 177.553319][ C0] __x64_sys_nanosleep+0x186/0x1d0 [ 177.558438][ C0] do_syscall_64+0xf7/0x1c0 [ 177.563091][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 177.568993][ C0] RIP: 0033:0x4593f0 [ 177.572896][ C0] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 41 f5 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 177.592514][ C0] RSP: 002b:00007ffe5c3f4648 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 177.600916][ C0] RAX: ffffffffffffffda RBX: 00000000000119fd RCX: 00000000004593f0 [ 177.608874][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffe5c3f4650 [ 177.616835][ C0] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000d87940 [ 177.624814][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 177.632777][ C0] R13: 00007ffe5c3f46a0 R14: 00000000000119ec R15: 00007ffe5c3f46b0