[ 41.702018][ T25] audit: type=1800 audit(1575454321.343:26): pid=8014 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 41.722941][ T25] audit: type=1800 audit(1575454321.343:27): pid=8014 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.753363][ T25] audit: type=1800 audit(1575454321.343:28): pid=8014 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. [ 42.510011][ T25] audit: type=1800 audit(1575454322.173:29): pid=8014 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 '10.128.0.6' (ECDSA) to the list of known hosts. 2019/12/04 10:12:12 fuzzer started 2019/12/04 10:12:14 dialing manager at 10.128.0.26:36481 2019/12/04 10:12:14 syscalls: 2691 2019/12/04 10:12:14 code coverage: enabled 2019/12/04 10:12:14 comparison tracing: enabled 2019/12/04 10:12:14 extra coverage: extra coverage is not supported by the kernel 2019/12/04 10:12:14 setuid sandbox: enabled 2019/12/04 10:12:14 namespace sandbox: enabled 2019/12/04 10:12:14 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 10:12:14 fault injection: enabled 2019/12/04 10:12:14 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 10:12:14 net packet injection: enabled 2019/12/04 10:12:14 net device setup: enabled 2019/12/04 10:12:14 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 10:12:14 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:12:15 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) bind$alg(r0, &(0x7f0000000000)={0x26, 'rng\x00', 0x0, 0x0, 'drbg_nopr_ctr_aes256\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000005480), 0x3007) 10:12:15 executing program 1: r0 = socket$inet(0x2, 0x4000000805, 0x0) r1 = socket$inet_sctp(0x2, 0x5, 0x84) r2 = dup3(r0, r1, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6={{0xa, 0x0, 0x0, @empty}}, 0x7ba, 0x0, 0x0, 0x0, 0x21}, 0x98) syzkaller login: [ 55.724060][ T8177] IPVS: ftp: loaded support on port[0] = 21 10:12:15 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000200)={&(0x7f0000000240)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0xc, 0xc, 0x2, [@enum={0x0, 0x0, 0x0, 0x2}]}}, &(0x7f00000002c0)=""/236, 0x26, 0xec, 0x8}, 0x20) [ 55.879133][ T8180] IPVS: ftp: loaded support on port[0] = 21 [ 55.891722][ T8177] chnl_net:caif_netlink_parms(): no params data found [ 55.998255][ T8177] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.007029][ T8177] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.015386][ T8177] device bridge_slave_0 entered promiscuous mode [ 56.051978][ T8177] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.059785][ T8177] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.068804][ T8177] device bridge_slave_1 entered promiscuous mode [ 56.108101][ T8180] chnl_net:caif_netlink_parms(): no params data found [ 56.118431][ T8177] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.137530][ T8177] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 10:12:15 executing program 3: bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0xf, 0x3, &(0x7f0000001fd8)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x50, 0x7b, 0xa, 0xff00}}, &(0x7f0000000000)='PL \x00L\xf7\xd1*\xf1\x1c\xe9%7\xb5\xe3\x19\x1ef\xde]N\xc1\x8eL-\xf0\x14\x84\xa8mw\x84/bIF\xea\xe3\x10yL\x8c\x96\xff\x14f#.%\x95\x119\xbd\xa5\xd2\x99\x0eR?\x8e\xc3\b\x0f\xfc\x12$\xd8\xdcL\x84\xa9\xc8\xe8\xab1Wh\x06qU#\xfat\x9e\x86\x15\xc6\x10I\xb8\xb1\xbej\xa7t\a\x02\xccZ\xdd', 0x6, 0x487, &(0x7f000000cf3d)=""/195}, 0x48) [ 56.169418][ T8184] IPVS: ftp: loaded support on port[0] = 21 [ 56.199699][ T8177] team0: Port device team_slave_0 added [ 56.219236][ T8177] team0: Port device team_slave_1 added [ 56.230990][ T8180] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.265427][ T8180] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.278381][ T8180] device bridge_slave_0 entered promiscuous mode [ 56.311098][ T8180] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.320741][ T8180] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.328726][ T8180] device bridge_slave_1 entered promiscuous mode 10:12:16 executing program 4: r0 = socket$inet6_udp(0xa, 0x2, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet6(0xa, 0x6, 0x0) close(r3) r4 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r4, 0x11b, 0x4, &(0x7f00000000c0)={&(0x7f0000000000)=""/5, 0x1000, 0x1000}, 0x18) setsockopt$XDP_UMEM_FILL_RING(r4, 0x11b, 0x5, &(0x7f00000004c0)=0x80, 0x4) setsockopt$XDP_RX_RING(r4, 0x11b, 0x2, &(0x7f0000000040)=0x80, 0x4) r5 = socket(0x100000000011, 0x2, 0x0) bind(r5, &(0x7f0000000140)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r5, &(0x7f0000000240)={0x11, 0x0, 0x0}, &(0x7f00000002c0)=0xfeeb) setsockopt$XDP_UMEM_COMPLETION_RING(r4, 0x11b, 0x6, &(0x7f00000001c0)=0x400, 0x4) bind$xdp(r4, &(0x7f0000000900)={0x2c, 0x0, r6}, 0x10) close(r3) [ 56.400163][ T8177] device hsr_slave_0 entered promiscuous mode [ 56.458028][ T8177] device hsr_slave_1 entered promiscuous mode [ 56.524810][ T8180] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.547116][ T8180] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.637969][ T8180] team0: Port device team_slave_0 added [ 56.652746][ T8186] IPVS: ftp: loaded support on port[0] = 21 [ 56.656605][ T8180] team0: Port device team_slave_1 added 10:12:16 executing program 5: r0 = socket(0x80000000000000a, 0x2, 0x0) setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f0000000200)={0x1, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x7}}}, {{0xa, 0x0, 0x0, @rand_addr="1bcdcff08fbecccdb2c128abc4931e1e"}}}, 0x2eb) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000000)={'lo\x00'}) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = dup2(r3, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$sock_inet_SIOCSIFFLAGS(r2, 0x8914, &(0x7f0000000040)={'lo\x00\x00\x00$\x00\x00\x00\x00\x00\x00\b\x00\x00\x11', 0xff}) [ 56.701110][ T8177] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.770880][ T8177] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.818382][ T8177] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.878477][ T8177] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.888013][ T8188] IPVS: ftp: loaded support on port[0] = 21 [ 56.990519][ T8191] IPVS: ftp: loaded support on port[0] = 21 [ 57.003396][ T8184] chnl_net:caif_netlink_parms(): no params data found [ 57.037434][ T8180] device hsr_slave_0 entered promiscuous mode [ 57.096027][ T8180] device hsr_slave_1 entered promiscuous mode [ 57.155773][ T8180] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.280583][ T8184] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.289082][ T8184] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.297087][ T8184] device bridge_slave_0 entered promiscuous mode [ 57.304548][ T8184] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.312302][ T8184] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.319962][ T8184] device bridge_slave_1 entered promiscuous mode [ 57.341209][ T8180] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.388698][ T8180] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.449544][ T8184] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.465028][ T8186] chnl_net:caif_netlink_parms(): no params data found [ 57.483049][ T8180] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.551636][ T8180] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.620192][ T8184] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.695092][ T8184] team0: Port device team_slave_0 added [ 57.709580][ T8186] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.719088][ T8186] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.726908][ T8186] device bridge_slave_0 entered promiscuous mode [ 57.734220][ T8191] chnl_net:caif_netlink_parms(): no params data found [ 57.760367][ T8184] team0: Port device team_slave_1 added [ 57.769984][ T8186] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.777975][ T8186] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.785544][ T8186] device bridge_slave_1 entered promiscuous mode [ 57.810074][ T8186] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.821692][ T8186] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.832593][ T8188] chnl_net:caif_netlink_parms(): no params data found [ 57.907740][ T8184] device hsr_slave_0 entered promiscuous mode [ 57.946447][ T8184] device hsr_slave_1 entered promiscuous mode [ 57.996190][ T8184] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.028248][ T8191] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.035325][ T8191] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.043361][ T8191] device bridge_slave_0 entered promiscuous mode [ 58.054464][ T8191] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.061613][ T8191] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.069448][ T8191] device bridge_slave_1 entered promiscuous mode [ 58.096517][ T8177] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.104588][ T8186] team0: Port device team_slave_0 added [ 58.113251][ T8186] team0: Port device team_slave_1 added [ 58.133459][ T8191] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.198030][ T8186] device hsr_slave_0 entered promiscuous mode [ 58.246481][ T8186] device hsr_slave_1 entered promiscuous mode [ 58.295829][ T8186] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.304427][ T8191] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.333429][ T8184] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.378464][ T8184] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.438727][ T8184] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.520125][ T8191] team0: Port device team_slave_0 added [ 58.530462][ T8177] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.544213][ T8184] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.597638][ T8188] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.604743][ T8188] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.612746][ T8188] device bridge_slave_0 entered promiscuous mode [ 58.621667][ T8191] team0: Port device team_slave_1 added [ 58.630653][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.639295][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.665361][ T8188] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.673804][ T8188] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.682645][ T8188] device bridge_slave_1 entered promiscuous mode [ 58.700903][ T8188] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.731620][ T8188] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.746689][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.755198][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.764034][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.771237][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.779806][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.790971][ T8180] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.797883][ T8186] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.888753][ T8191] device hsr_slave_0 entered promiscuous mode [ 58.936115][ T8191] device hsr_slave_1 entered promiscuous mode [ 58.975745][ T8191] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.003073][ T8188] team0: Port device team_slave_0 added [ 59.009176][ T8186] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.068319][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.078125][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.086825][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.093859][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.101519][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.128276][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.146893][ T8188] team0: Port device team_slave_1 added [ 59.153037][ T8186] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.187403][ T8191] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.228610][ T8191] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.268412][ T8191] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.338660][ T8191] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 59.419326][ T8186] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.459931][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.469083][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.483518][ T8177] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.494070][ T8177] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.558332][ T8188] device hsr_slave_0 entered promiscuous mode [ 59.596103][ T8188] device hsr_slave_1 entered promiscuous mode [ 59.635798][ T8188] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.651547][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.664704][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.673379][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.681759][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.690666][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.699568][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.707940][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.716387][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.723922][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.732948][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.747924][ T8180] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.793061][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.803002][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.812603][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.819704][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.828930][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.837626][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.846431][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.853684][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.861583][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.870130][ T8188] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.921424][ T8188] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.998033][ T8188] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.053535][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.062101][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.070716][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.080085][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.088922][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.096697][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.104202][ T8188] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.155279][ T8177] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.163703][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.182527][ T8184] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.197134][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.205562][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.232083][ T8191] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.263283][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.272075][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.280762][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.290325][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.300419][ T8184] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.317775][ T8191] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.340415][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.352511][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.366625][ T8186] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.422796][ T8184] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.438659][ T8184] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.473799][ T8184] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 165.405618][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.412552][ C1] rcu: 1-...!: (10499 ticks this GP) idle=1b6/1/0x4000000000000002 softirq=10096/10096 fqs=4 [ 165.423043][ C1] (t=10500 jiffies g=6437 q=333) [ 165.428065][ C1] rcu: rcu_preempt kthread starved for 10491 jiffies! g6437 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 165.439242][ C1] rcu: RCU grace-period kthread stack dump: [ 165.445130][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 165.453025][ C1] Call Trace: [ 165.456315][ C1] __schedule+0x9a0/0xcc0 [ 165.460650][ C1] schedule+0x181/0x210 [ 165.464801][ C1] schedule_timeout+0x14f/0x240 [ 165.469647][ C1] ? run_local_timers+0x120/0x120 [ 165.474669][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.479440][ C1] kthread+0x332/0x350 [ 165.483504][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.488610][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.493280][ C1] ret_from_fork+0x24/0x30 [ 165.497704][ C1] NMI backtrace for cpu 1 [ 165.502031][ C1] CPU: 1 PID: 8191 Comm: syz-executor.5 Not tainted 5.4.0-syzkaller #0 [ 165.510344][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.520394][ C1] Call Trace: [ 165.523670][ C1] [ 165.526605][ C1] dump_stack+0x1fb/0x318 [ 165.530934][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.535777][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.541929][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.548009][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.553984][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.559870][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.564982][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.570373][ C1] ? trace_hardirqs_off+0x74/0x80 [ 165.575400][ C1] update_process_times+0x12d/0x180 [ 165.580604][ C1] tick_sched_timer+0x263/0x420 [ 165.585465][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.591022][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.596237][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.601194][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.606480][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.612028][ C1] apic_timer_interrupt+0xf/0x20 [ 165.617095][ C1] [ 165.620033][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 165.626270][ C1] Code: d4 01 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 84 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 [ 165.646148][ C1] RSP: 0018:ffffc90002997520 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.654644][ C1] RAX: ffffffff81486ea4 RBX: ffffea00024e5740 RCX: ffff88809ac88500 [ 165.662738][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00024e5740 [ 165.670716][ C1] RBP: ffffc90002997560 R08: 000000000003a728 R09: ffffed1013a1530f [ 165.679125][ C1] R10: ffffed1013a1530f R11: 0000000000000000 R12: ffff8880a98ccaa0 [ 165.687195][ C1] R13: dffffc0000000000 R14: 1ffff11015319954 R15: ffff88809d0a9868 [ 165.695275][ C1] ? free_thread_stack+0x124/0x590 [ 165.700396][ C1] ? free_thread_stack+0x124/0x590 [ 165.705507][ C1] put_task_stack+0xa3/0x130 [ 165.710097][ C1] finish_task_switch+0x3f1/0x550 [ 165.715282][ C1] __schedule+0x9a8/0xcc0 [ 165.719641][ C1] ? ___preempt_schedule+0x16/0x18 [ 165.724831][ C1] preempt_schedule+0xdb/0x120 [ 165.729608][ C1] ___preempt_schedule+0x16/0x18 [ 165.734644][ C1] try_to_wake_up+0xe78/0x1050 [ 165.739423][ C1] wake_up_q+0x8c/0xe0 [ 165.743494][ C1] __mutex_unlock_slowpath+0x586/0x5b0 [ 165.749079][ C1] mutex_unlock+0x1b/0x30 [ 165.753494][ C1] __rtnl_unlock+0x2c/0xa0 [ 165.757910][ C1] netdev_run_todo+0xe5/0xe10 [ 165.762598][ C1] rtnetlink_rcv_msg+0x890/0xd40 [ 165.767556][ C1] ? rcu_lock_release+0x9/0x30 [ 165.772384][ C1] ? rcu_lock_release+0x9/0x30 [ 165.777152][ C1] ? rcu_lock_release+0x9/0x30 [ 165.781920][ C1] netlink_rcv_skb+0x19e/0x3d0 [ 165.786889][ C1] ? rtnetlink_bind+0x80/0x80 [ 165.791564][ C1] rtnetlink_rcv+0x1c/0x20 [ 165.795977][ C1] netlink_unicast+0x767/0x920 [ 165.800746][ C1] netlink_sendmsg+0xa21/0xd40 [ 165.805513][ C1] ? netlink_getsockopt+0x9f0/0x9f0 [ 165.810710][ C1] __sys_sendto+0x442/0x5e0 [ 165.815222][ C1] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 165.821287][ C1] ? prepare_exit_to_usermode+0x221/0x5b0 [ 165.827004][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 165.832457][ C1] __x64_sys_sendto+0xe5/0x100 [ 165.837225][ C1] do_syscall_64+0xf7/0x1c0 [ 165.841727][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.847616][ C1] RIP: 0033:0x414373 [ 165.851508][ C1] Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d fd 40 66 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff [ 165.871229][ C1] RSP: 002b:00007fff47c2f9a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 165.879635][ C1] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414373 [ 165.888388][ C1] RDX: 000000000000002c RSI: 0000000000a72250 RDI: 0000000000000003 [ 165.896479][ C1] RBP: 0000000000000000 R08: 00007fff47c2f9b0 R09: 000000000000000c [ 165.904443][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 165.912420][ C1] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003