[ 47.886778][ T25] audit: type=1800 audit(1575403869.387:25): pid=8070 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.928527][ T25] audit: type=1800 audit(1575403869.387:26): pid=8070 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.966461][ T25] audit: type=1800 audit(1575403869.397:27): pid=8070 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 47.992796][ T25] audit: type=1800 audit(1575403869.397:28): pid=8070 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.199' (ECDSA) to the list of known hosts. 2019/12/03 20:11:19 fuzzer started 2019/12/03 20:11:21 dialing manager at 10.128.0.26:42111 2019/12/03 20:11:21 syscalls: 2689 2019/12/03 20:11:21 code coverage: enabled 2019/12/03 20:11:21 comparison tracing: enabled 2019/12/03 20:11:21 extra coverage: extra coverage is not supported by the kernel 2019/12/03 20:11:21 setuid sandbox: enabled 2019/12/03 20:11:21 namespace sandbox: enabled 2019/12/03 20:11:21 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 20:11:21 fault injection: enabled 2019/12/03 20:11:21 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 20:11:21 net packet injection: enabled 2019/12/03 20:11:21 net device setup: enabled 2019/12/03 20:11:21 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 20:11:21 devlink PCI setup: PCI device 0000:00:10.0 is not available 20:11:22 executing program 0: perf_event_open(&(0x7f0000000040)={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) r0 = socket$netlink(0x10, 0x3, 0xc) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000080)="390000000206096768fe07072b0300370e000a0040000400450201070300001419001a00120002000e00010006000300"/57, 0x39}], 0x1) 20:11:22 executing program 1: r0 = socket$kcm(0x10, 0x10000000000003, 0x0) r1 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) sendmsg$kcm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000000)="2e00000018008173e00f80ecdb4cb92e0a000c2c000cd307e8bd6efb1200697ba00cba82bd81c933de71da06000e", 0x2e}], 0x1, 0x0, 0x0, 0xa00}, 0x0) syzkaller login: [ 60.930100][ T8233] IPVS: ftp: loaded support on port[0] = 21 [ 61.098375][ T8233] chnl_net:caif_netlink_parms(): no params data found [ 61.107974][ T8236] IPVS: ftp: loaded support on port[0] = 21 20:11:22 executing program 2: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x5aeb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000733000)={0x5, 0x5, 0x1007, 0x9}, 0x3c) r2 = bpf$MAP_CREATE(0x0, &(0x7f00004f9fe4)={0xc, 0x4, 0x4, 0x1, 0x0, r1}, 0x3c) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$fou(&(0x7f00000006c0)='fou\x00') sendmsg$FOU_CMD_ADD(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x1c, r4, 0x3, 0x0, 0x0, {}, [@FOU_ATTR_TYPE={0x8, 0x4, 0x2}]}, 0x1c}}, 0x0) sendmsg$FOU_CMD_DEL(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r4, 0x101}, 0x14}}, 0x0) r5 = socket(0x40000000002, 0x3, 0x80000000002) r6 = syz_init_net_socket$llc(0x1a, 0x2, 0x0) sendto$llc(r6, &(0x7f0000000000)="fad911553dea9381c2660568e36bbf30e2100d04ffc7e310615fa16b12b389841d63abf100aeeb9f", 0x28, 0x20000040, &(0x7f0000000040)={0x1a, 0x300, 0x6, 0x0, 0x8, 0x7, @remote}, 0x10) dup2(r5, r6) getsockopt$inet6_mreq(r5, 0x29, 0x1b, &(0x7f00000001c0)={@dev, 0x0}, &(0x7f0000000200)=0x14) sendmsg$FOU_CMD_DEL(r0, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x81582000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x54, r4, 0x904, 0x70bd29, 0x25dfdbfe, {}, [@FOU_ATTR_TYPE={0x8, 0x4, 0x1}, @FOU_ATTR_AF={0x8, 0x2, 0xa}, @FOU_ATTR_LOCAL_V4={0x8, 0x6, @empty}, @FOU_ATTR_PORT={0x8, 0x1, 0x4e24}, @FOU_ATTR_PEER_V4={0x8, 0x8, @multicast1}, @FOU_ATTR_LOCAL_V4={0x8, 0x6, @multicast2}, @FOU_ATTR_PORT={0x8, 0x1, 0x4e20}, @FOU_ATTR_IFINDEX={0x8, 0xb, r7}]}, 0x54}, 0x1, 0x0, 0x0, 0x810}, 0x800) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r1, 0x16a, 0x0}, 0x10) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000000)={r2, &(0x7f00000001c0), &(0x7f0000000080)}, 0x20) [ 61.181024][ T8233] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.191222][ T8233] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.201137][ T8233] device bridge_slave_0 entered promiscuous mode [ 61.218605][ T8233] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.227994][ T8233] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.238271][ T8233] device bridge_slave_1 entered promiscuous mode [ 61.331676][ T8233] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.344882][ T8233] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 20:11:22 executing program 3: bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x3, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x5, 0x0, 0x0, 0x0, 0x71, 0x10, 0x5a}, [@ldst={0x4}]}, &(0x7f0000003ff6)='G\x00', 0x5, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000080), 0xfffffffffffffffb}, 0x48) [ 61.386840][ T8236] chnl_net:caif_netlink_parms(): no params data found [ 61.401949][ T8233] team0: Port device team_slave_0 added [ 61.410222][ T8233] team0: Port device team_slave_1 added [ 61.488431][ T8239] IPVS: ftp: loaded support on port[0] = 21 [ 61.577029][ T8233] device hsr_slave_0 entered promiscuous mode 20:11:23 executing program 4: r0 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000003000/0x2000)=nil, 0x2000, 0x0, 0x1012, r0, 0x0) write$binfmt_misc(r0, &(0x7f0000000800)=ANY=[@ANYBLOB="66ca"], 0x2) perf_event_open(&(0x7f0000000180)={0x6, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) [ 61.643150][ T8233] device hsr_slave_1 entered promiscuous mode [ 61.694829][ T8236] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.701926][ T8236] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.723643][ T8236] device bridge_slave_0 entered promiscuous mode [ 61.745130][ T8236] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.752242][ T8236] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.774306][ T8236] device bridge_slave_1 entered promiscuous mode [ 61.808218][ T8241] IPVS: ftp: loaded support on port[0] = 21 [ 61.840686][ T8243] IPVS: ftp: loaded support on port[0] = 21 [ 61.876736][ T8236] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 20:11:23 executing program 5: open(0x0, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fsetxattr$smack_xattr_label(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)=ANY=[@ANYBLOB="000000f21301ce646ba1a34578d3abdf1e155667018001000000000067d3"], 0x1}}, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000380)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff], 0x1f004}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 61.922285][ T8236] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.967607][ T8233] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.025108][ T8233] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.086735][ T8233] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.159047][ T8236] team0: Port device team_slave_0 added [ 62.173735][ T8233] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.213973][ T8236] team0: Port device team_slave_1 added [ 62.240441][ T8245] IPVS: ftp: loaded support on port[0] = 21 [ 62.325207][ T8236] device hsr_slave_0 entered promiscuous mode [ 62.373656][ T8236] device hsr_slave_1 entered promiscuous mode [ 62.412911][ T8236] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.451355][ T8243] chnl_net:caif_netlink_parms(): no params data found [ 62.475012][ T8239] chnl_net:caif_netlink_parms(): no params data found [ 62.559436][ T8239] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.567963][ T8239] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.576107][ T8239] device bridge_slave_0 entered promiscuous mode [ 62.587675][ T8236] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 62.615914][ T8236] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 62.690354][ T8239] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.697580][ T8239] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.705305][ T8239] device bridge_slave_1 entered promiscuous mode [ 62.719398][ T8241] chnl_net:caif_netlink_parms(): no params data found [ 62.727665][ T8236] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 62.794839][ T8243] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.801917][ T8243] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.810281][ T8243] device bridge_slave_0 entered promiscuous mode [ 62.818486][ T8243] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.827208][ T8243] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.835105][ T8243] device bridge_slave_1 entered promiscuous mode [ 62.859262][ T8236] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 62.917666][ T8239] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.932549][ T8239] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.976204][ T8243] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.987506][ T8243] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.003750][ T8241] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.010878][ T8241] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.018895][ T8241] device bridge_slave_0 entered promiscuous mode [ 63.030195][ T8241] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.037540][ T8241] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.047562][ T8241] device bridge_slave_1 entered promiscuous mode [ 63.075427][ T8239] team0: Port device team_slave_0 added [ 63.081686][ T8245] chnl_net:caif_netlink_parms(): no params data found [ 63.098292][ T8241] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.117115][ T8243] team0: Port device team_slave_0 added [ 63.124317][ T8239] team0: Port device team_slave_1 added [ 63.130826][ T8243] team0: Port device team_slave_1 added [ 63.143043][ T8241] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.196650][ T8233] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.255654][ T8243] device hsr_slave_0 entered promiscuous mode [ 63.313085][ T8243] device hsr_slave_1 entered promiscuous mode [ 63.362867][ T8243] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.376251][ T8241] team0: Port device team_slave_0 added [ 63.387692][ T8241] team0: Port device team_slave_1 added [ 63.404576][ T8245] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.411834][ T8245] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.419684][ T8245] device bridge_slave_0 entered promiscuous mode [ 63.428462][ T8245] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.435649][ T8245] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.443646][ T8245] device bridge_slave_1 entered promiscuous mode [ 63.495518][ T8239] device hsr_slave_0 entered promiscuous mode [ 63.543002][ T8239] device hsr_slave_1 entered promiscuous mode [ 63.602795][ T8239] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.705514][ T8241] device hsr_slave_0 entered promiscuous mode [ 63.753799][ T8241] device hsr_slave_1 entered promiscuous mode [ 63.812955][ T8241] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.854245][ T8233] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.865011][ T8245] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.878501][ T8245] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.897697][ T1108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.906518][ T1108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.922466][ T8236] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.941569][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.956697][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.965778][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.973143][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.982201][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.991083][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.999525][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.006634][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.015677][ T1108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.034148][ T8245] team0: Port device team_slave_0 added [ 64.043032][ T8243] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 64.065956][ T8243] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 64.118488][ T8243] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 64.180288][ T8245] team0: Port device team_slave_1 added [ 64.186864][ T8239] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.235420][ T8246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.243995][ T8246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.251565][ T8246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.262612][ T8236] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.270719][ T8243] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 64.319367][ T8239] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 64.387911][ T8239] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.446825][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.455667][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.464563][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.473771][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.545526][ T8245] device hsr_slave_0 entered promiscuous mode [ 64.573351][ T8245] device hsr_slave_1 entered promiscuous mode [ 64.622894][ T8245] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.638077][ T8239] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 64.681867][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.691021][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.699701][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.706786][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.726512][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.735433][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.744397][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.752978][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.761169][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.769994][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.779108][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.786341][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.814039][ T8241] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 64.905019][ T8241] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 64.945737][ T8241] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 65.004799][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.013930][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.022242][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.031425][ T8245] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 65.082960][ T8241] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.150286][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.158883][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.168612][ T8233] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.184163][ T8245] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 65.246706][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.256585][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.267018][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.276023][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.284827][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.303451][ T8245] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 65.345156][ T8245] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 65.406635][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.415380][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.424913][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.434776][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.478857][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.488556][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.507175][ T8236] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.519189][ T8233] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.549290][ T8241] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.579332][ T8236] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.601034][ T8243] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.612545][ T8246] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.620708][ T8246] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.641084][ T8241] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.664672][ T8245] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.673783][ T8246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.681460][ T8246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.748809][ T8239] 8021q: adding VLAN 0 to HW filter on device bond0 [ 170.762660][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.769518][ C0] rcu: 0-...!: (10499 ticks this GP) idle=eee/1/0x4000000000000002 softirq=13119/13119 fqs=1 [ 170.780029][ C0] (t=10501 jiffies g=6457 q=140) [ 170.785066][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g6457 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 170.796145][ C0] rcu: RCU grace-period kthread stack dump: [ 170.802022][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 170.809910][ C0] Call Trace: [ 170.813194][ C0] __schedule+0x9a0/0xcc0 [ 170.817521][ C0] schedule+0x181/0x210 [ 170.821662][ C0] schedule_timeout+0x14f/0x240 [ 170.829277][ C0] ? run_local_timers+0x120/0x120 [ 170.834297][ C0] rcu_gp_kthread+0xed8/0x1770 [ 170.839059][ C0] kthread+0x332/0x350 [ 170.843111][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 170.848206][ C0] ? kthread_blkcg+0xe0/0xe0 [ 170.852789][ C0] ret_from_fork+0x24/0x30 [ 170.857210][ C0] NMI backtrace for cpu 0 [ 170.861532][ C0] CPU: 0 PID: 8233 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 170.869747][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.879787][ C0] Call Trace: [ 170.883057][ C0] [ 170.885897][ C0] dump_stack+0x1fb/0x318 [ 170.890214][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 170.895054][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 170.901195][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 170.907257][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 170.914705][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 170.920584][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 170.925689][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 170.930876][ C0] ? trace_hardirqs_off+0x74/0x80 [ 170.935890][ C0] update_process_times+0x12d/0x180 [ 170.941113][ C0] tick_sched_timer+0x263/0x420 [ 170.945961][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 170.951501][ C0] __hrtimer_run_queues+0x403/0x840 [ 170.956703][ C0] hrtimer_interrupt+0x38c/0xda0 [ 170.961645][ C0] ? debug_smp_processor_id+0x9/0x20 [ 170.966920][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 170.972452][ C0] apic_timer_interrupt+0xf/0x20 [ 170.977374][ C0] [ 170.980302][ C0] RIP: 0010:__memcg_kmem_uncharge+0x0/0x2e0 [ 170.986190][ C0] Code: 00 eb 1b 83 3d 80 ce 8c 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 dc 7d 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 [ 171.005780][ C0] RSP: 0018:ffffc900020af760 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 171.014175][ C0] RAX: ffffffff81486ea4 RBX: ffffea0002311080 RCX: ffff88809e6c0680 [ 171.022407][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002311080 [ 171.030367][ C0] RBP: ffffc900020af7a0 R08: 000000000003a768 R09: ffffed1014f4334f [ 171.038326][ C0] R10: ffffed1014f4334f R11: 0000000000000000 R12: ffff888088e89d20 [ 171.046286][ C0] R13: dffffc0000000000 R14: 1ffff110111d13a4 R15: ffff8880a7a19a68 [ 171.054259][ C0] ? free_thread_stack+0x124/0x590 [ 171.059372][ C0] ? free_thread_stack+0x12e/0x590 [ 171.064483][ C0] put_task_stack+0xa3/0x130 [ 171.069059][ C0] finish_task_switch+0x3f1/0x550 [ 171.074079][ C0] __schedule+0x9a8/0xcc0 [ 171.078405][ C0] ? ___preempt_schedule+0x16/0x18 [ 171.083503][ C0] preempt_schedule+0xdb/0x120 [ 171.088297][ C0] ___preempt_schedule+0x16/0x18 [ 171.093235][ C0] _raw_spin_unlock+0x3a/0x40 [ 171.097900][ C0] copy_page_range+0x2487/0x29a0 [ 171.102854][ C0] ? __vma_link_rb+0x839/0x860 [ 171.107636][ C0] dup_mmap+0xa01/0xe00 [ 171.111791][ C0] dup_mm+0x9e/0x340 [ 171.115690][ C0] copy_process+0x1e49/0x5510 [ 171.120380][ C0] _do_fork+0x13e/0x660 [ 171.124522][ C0] ? check_preemption_disabled+0xb4/0x260 [ 171.130232][ C0] ? debug_smp_processor_id+0x9/0x20 [ 171.135507][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 171.140871][ C0] __x64_sys_clone+0x20b/0x250 [ 171.145633][ C0] do_syscall_64+0xf7/0x1c0 [ 171.150121][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 171.155999][ C0] RIP: 0033:0x458c4a [ 171.159880][ C0] Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 [ 171.179471][ C0] RSP: 002b:00007ffc4c2f6fc0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 171.187866][ C0] RAX: ffffffffffffffda RBX: 00007ffc4c2f6fc0 RCX: 0000000000458c4a [ 171.195838][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 171.205897][ C0] RBP: 00007ffc4c2f7000 R08: 0000000000000001 R09: 0000000001d59940 [ 171.213856][ C0] R10: 0000000001d59c10 R11: 0000000000000246 R12: 0000000000000001 [ 171.221817][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffc4c2f7050