[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 54.084429][ T23] audit: type=1800 audit(1578484797.459:25): pid=8464 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 54.125985][ T23] audit: type=1800 audit(1578484797.459:26): pid=8464 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 54.161253][ T23] audit: type=1800 audit(1578484797.459:27): pid=8464 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 '10.128.1.49' (ECDSA) to the list of known hosts. 2020/01/08 12:00:06 fuzzer started 2020/01/08 12:00:07 dialing manager at 10.128.0.26:35703 2020/01/08 12:00:07 syscalls: 2824 2020/01/08 12:00:07 code coverage: enabled 2020/01/08 12:00:07 comparison tracing: enabled 2020/01/08 12:00:07 extra coverage: enabled 2020/01/08 12:00:07 setuid sandbox: enabled 2020/01/08 12:00:07 namespace sandbox: enabled 2020/01/08 12:00:07 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 12:00:07 fault injection: enabled 2020/01/08 12:00:07 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 12:00:07 net packet injection: enabled 2020/01/08 12:00:07 net device setup: enabled 2020/01/08 12:00:07 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 12:00:07 devlink PCI setup: PCI device 0000:00:10.0 is not available 12:00:09 executing program 0: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) close(0xffffffffffffffff) io_setup(0x0, &(0x7f0000000140)=0x0) io_submit(r0, 0x0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x10006, 0x10, 0xffffffffffffffff, 0x0) r1 = socket$unix(0x1, 0x5, 0x0) bind$unix(r1, &(0x7f0000003000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) listen(r1, 0x0) r2 = socket$unix(0x1, 0x5, 0x0) connect(r2, &(0x7f0000931ff4)=@un=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) r3 = gettid() r4 = gettid() sendmmsg$unix(r2, &(0x7f0000003f40)=[{&(0x7f0000000040)=@abs, 0x6e, 0x0, 0x0, &(0x7f0000001bc0)=[@rights={{0x14, 0x1, 0x1, [r2]}}, @cred={{0x1c, 0x1, 0x2, {r3}}}, @rights={{0x14, 0x1, 0x1, [r1]}}, @cred={{0x1c, 0x1, 0x2, {r4}}}], 0x70}], 0xfd, 0x0) 12:00:09 executing program 1: socket$netlink(0x10, 0x3, 0x11) syzkaller login: [ 65.828868][ T8633] IPVS: ftp: loaded support on port[0] = 21 [ 65.942432][ T8635] IPVS: ftp: loaded support on port[0] = 21 12:00:09 executing program 2: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x2, 0x4, &(0x7f0000000000)=@framed={{0x18, 0x2}, [@call={0x85, 0x0, 0x0, 0xc}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f000062b000)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 66.044306][ T8633] chnl_net:caif_netlink_parms(): no params data found [ 66.178157][ T8635] chnl_net:caif_netlink_parms(): no params data found [ 66.190095][ T8633] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.198357][ T8633] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.206532][ T8633] device bridge_slave_0 entered promiscuous mode [ 66.220819][ T8639] IPVS: ftp: loaded support on port[0] = 21 [ 66.248478][ T8633] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.255931][ T8633] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.263889][ T8633] device bridge_slave_1 entered promiscuous mode 12:00:09 executing program 3: r0 = socket(0x10, 0x803, 0x0) recvmmsg(r0, &(0x7f00000037c0)=[{{0x0, 0x0, 0x0}}], 0x1, 0x10021, 0x0) [ 66.314321][ T8635] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.322218][ T8635] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.330077][ T8635] device bridge_slave_0 entered promiscuous mode [ 66.342906][ T8633] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.373973][ T8633] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.393409][ T8635] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.400483][ T8635] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.421960][ T8635] device bridge_slave_1 entered promiscuous mode [ 66.479118][ T8635] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.506491][ T8635] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.540040][ T8641] IPVS: ftp: loaded support on port[0] = 21 [ 66.565732][ T8633] team0: Port device team_slave_0 added 12:00:10 executing program 4: r0 = socket(0x18, 0x0, 0x0) setsockopt$SO_TIMESTAMP(r0, 0x1, 0x23, &(0x7f0000000080)=0x203, 0x4) r1 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r1, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") getsockopt$SO_BINDTODEVICE(r0, 0x1, 0x1d, &(0x7f0000000000), 0x20a154cc) [ 66.602600][ T8635] team0: Port device team_slave_0 added [ 66.609646][ T8633] team0: Port device team_slave_1 added [ 66.638916][ T8635] team0: Port device team_slave_1 added [ 66.754732][ T8633] device hsr_slave_0 entered promiscuous mode [ 66.791473][ T8633] device hsr_slave_1 entered promiscuous mode 12:00:10 executing program 5: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) setsockopt$bt_BT_CHANNEL_POLICY(r0, 0x112, 0xa, 0xffffffffffffffff, 0x0) [ 66.848182][ T8639] chnl_net:caif_netlink_parms(): no params data found [ 66.903482][ T8635] device hsr_slave_0 entered promiscuous mode [ 66.941568][ T8635] device hsr_slave_1 entered promiscuous mode [ 67.001387][ T8635] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.009133][ T8635] Cannot create hsr debugfs directory [ 67.046958][ T8644] IPVS: ftp: loaded support on port[0] = 21 [ 67.082404][ T8646] IPVS: ftp: loaded support on port[0] = 21 [ 67.198571][ T8633] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.244731][ T8633] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.293170][ T8639] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.300272][ T8639] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.308037][ T8639] device bridge_slave_0 entered promiscuous mode [ 67.317168][ T8639] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.324302][ T8639] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.332294][ T8639] device bridge_slave_1 entered promiscuous mode [ 67.355972][ T8633] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.424551][ T8633] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.481451][ T8639] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.491253][ T8641] chnl_net:caif_netlink_parms(): no params data found [ 67.518024][ T8639] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.554398][ T8635] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.595912][ T8635] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.655682][ T8639] team0: Port device team_slave_0 added [ 67.665527][ T8639] team0: Port device team_slave_1 added [ 67.680594][ T8635] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.769447][ T8635] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.830731][ T8641] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.839085][ T8641] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.847988][ T8641] device bridge_slave_0 entered promiscuous mode [ 67.860977][ T8641] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.868238][ T8641] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.876067][ T8641] device bridge_slave_1 entered promiscuous mode [ 67.895437][ T8644] chnl_net:caif_netlink_parms(): no params data found [ 67.974083][ T8639] device hsr_slave_0 entered promiscuous mode [ 68.021740][ T8639] device hsr_slave_1 entered promiscuous mode [ 68.061406][ T8639] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.069115][ T8639] Cannot create hsr debugfs directory [ 68.077326][ T8641] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.086741][ T8646] chnl_net:caif_netlink_parms(): no params data found [ 68.124372][ T8641] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.170140][ T8644] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.178010][ T8644] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.185953][ T8644] device bridge_slave_0 entered promiscuous mode [ 68.195450][ T8644] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.202642][ T8644] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.210199][ T8644] device bridge_slave_1 entered promiscuous mode [ 68.224866][ T8641] team0: Port device team_slave_0 added [ 68.261939][ T8641] team0: Port device team_slave_1 added [ 68.268742][ T8644] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.293687][ T8646] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.300783][ T8646] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.308657][ T8646] device bridge_slave_0 entered promiscuous mode [ 68.316694][ T8646] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.323896][ T8646] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.332577][ T8646] device bridge_slave_1 entered promiscuous mode [ 68.340316][ T8644] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.390245][ T8633] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.417220][ T8644] team0: Port device team_slave_0 added [ 68.463863][ T8641] device hsr_slave_0 entered promiscuous mode [ 68.511573][ T8641] device hsr_slave_1 entered promiscuous mode [ 68.551383][ T8641] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.559004][ T8641] Cannot create hsr debugfs directory [ 68.568683][ T8646] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.586864][ T8633] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.598773][ T8644] team0: Port device team_slave_1 added [ 68.619436][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.627868][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.638630][ T8646] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.713070][ T8644] device hsr_slave_0 entered promiscuous mode [ 68.761645][ T8644] device hsr_slave_1 entered promiscuous mode [ 68.821533][ T8644] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.829228][ T8644] Cannot create hsr debugfs directory [ 68.838519][ T8646] team0: Port device team_slave_0 added [ 68.875501][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.884767][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.893799][ T2768] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.900962][ T2768] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.910745][ T8646] team0: Port device team_slave_1 added [ 68.916942][ T8639] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.977505][ T8639] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.033492][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.048804][ T8639] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.127572][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.137415][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.146170][ T2768] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.153294][ T2768] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.167843][ T8635] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.176966][ T8639] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.284464][ T8646] device hsr_slave_0 entered promiscuous mode [ 69.331500][ T8646] device hsr_slave_1 entered promiscuous mode [ 69.371288][ T8646] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.378879][ T8646] Cannot create hsr debugfs directory [ 69.384829][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.396494][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.436192][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.446114][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.454973][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.464730][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.473675][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.482033][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.490340][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.519683][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.530189][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.538061][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.546986][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.557038][ T8635] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.569479][ T8633] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.608529][ T2803] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.617940][ T2803] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.627605][ T2803] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.635012][ T2803] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.643431][ T2803] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.652317][ T2803] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.660599][ T2803] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.667697][ T2803] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.678614][ T8641] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.733718][ T8641] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.787524][ T2803] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.795853][ T2803] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.807107][ T2803] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.814936][ T2803] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.841288][ T8641] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.916208][ T8644] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.953306][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.962790][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.971571][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.980021][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.990535][ T8641] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 70.038696][ T8633] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.048312][ T8644] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.105375][ T8644] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.133859][ T8644] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.173081][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.183255][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.203293][ T8635] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.215154][ T8635] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.241587][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.250223][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.260685][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.272672][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.287067][ T8639] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.319878][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.338699][ T8639] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.348593][ T8646] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.373969][ T8646] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.443527][ T8646] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.484054][ T8646] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.533069][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.542799][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.552057][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.561043][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.612387][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.621009][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.629637][ T2824] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.637177][ T2824] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.645729][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.654528][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.665534][ T2824] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.674745][ T2824] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.683985][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.693915][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.702703][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.710701][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.718315][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.727345][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.736467][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.744460][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.762055][ T8635] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.793810][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.805368][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.814963][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.825876][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.834787][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.843967][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.852347][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.860563][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.870479][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.879145][ T2824] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.892725][ T8633] device veth0_vlan entered promiscuous mode [ 70.905542][ T8639] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.955038][ T8641] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.969671][ T8633] device veth1_vlan entered promiscuous mode [ 70.996621][ T8646] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.005073][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.014232][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.023045][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.056555][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.065424][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.074770][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.099688][ T8646] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.109302][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.119186][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.129216][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.138295][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.147168][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.155729][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.166244][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.174598][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.188454][ T8635] device veth0_vlan entered promiscuous mode [ 71.198902][ T8641] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.219358][ T8639] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.270189][ T8635] device veth1_vlan entered promiscuous mode [ 176.291150][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.298571][ C0] rcu: 0-...!: (1 GPs behind) idle=fae/1/0x4000000000000002 softirq=13955/13956 fqs=42 [ 176.310057][ C0] (t=10500 jiffies g=7113 q=104) [ 176.317222][ C0] rcu: rcu_preempt kthread starved for 10415 jiffies! g7113 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 176.330149][ C0] rcu: RCU grace-period kthread stack dump: [ 176.336117][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 176.344266][ C0] Call Trace: [ 176.347645][ C0] __schedule+0x9a0/0xcc0 [ 176.352247][ C0] schedule+0x181/0x210 [ 176.356405][ C0] schedule_timeout+0x14f/0x240 [ 176.361334][ C0] ? run_local_timers+0x120/0x120 [ 176.366668][ C0] rcu_gp_kthread+0xed8/0x1770 [ 176.373192][ C0] kthread+0x332/0x350 [ 176.378057][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 176.383274][ C0] ? kthread_blkcg+0xe0/0xe0 [ 176.387886][ C0] ret_from_fork+0x24/0x30 [ 176.392311][ C0] NMI backtrace for cpu 0 [ 176.396651][ C0] CPU: 0 PID: 8635 Comm: syz-executor.1 Not tainted 5.5.0-rc5-syzkaller #0 [ 176.406617][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.416658][ C0] Call Trace: [ 176.420161][ C0] [ 176.423111][ C0] dump_stack+0x1fb/0x318 [ 176.427694][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.433613][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 176.440653][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 176.447504][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 176.454844][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 176.461430][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 176.466894][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 176.472085][ C0] ? trace_hardirqs_off+0x74/0x80 [ 176.478437][ C0] update_process_times+0x12d/0x180 [ 176.483809][ C0] tick_sched_timer+0x263/0x420 [ 176.491164][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.496811][ C0] __hrtimer_run_queues+0x403/0x840 [ 176.502024][ C0] hrtimer_interrupt+0x38c/0xda0 [ 176.506972][ C0] ? debug_smp_processor_id+0x9/0x20 [ 176.512362][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 176.517932][ C0] apic_timer_interrupt+0xf/0x20 [ 176.522864][ C0] [ 176.525797][ C0] RIP: 0010:mod_memcg_page_state+0x8/0x190 [ 176.532218][ C0] Code: eb 0c e8 eb 27 2e 00 eb 05 e8 e4 27 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 <41> 54 53 41 89 f6 48 89 fb e8 ba 27 2e 00 48 83 c3 38 48 89 d8 48 [ 176.553747][ C0] RSP: 0018:ffffc900020d6f18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 176.564100][ C0] RAX: 1ffff11011aff431 RBX: ffff88808d7fa188 RCX: 0000000000000000 [ 176.572308][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00029fe700 [ 176.581283][ C0] RBP: ffffc900020d6f28 R08: dffffc0000000000 R09: fffffbfff124248a [ 176.590709][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88808d7fa220 [ 176.599108][ C0] R13: dffffc0000000000 R14: 1ffff11011aff444 R15: ffff8880973bf6f8 [ 176.607279][ C0] free_thread_stack+0x168/0x590 [ 176.612733][ C0] put_task_stack+0xa3/0x130 [ 176.617998][ C0] finish_task_switch+0x3f1/0x550 [ 176.623117][ C0] __schedule+0x9a8/0xcc0 [ 176.627547][ C0] ? ___preempt_schedule+0x16/0x18 [ 176.634199][ C0] preempt_schedule+0xdb/0x120 [ 176.640204][ C0] ? dev_uc_add+0x3c7/0x4b0 [ 176.644713][ C0] ___preempt_schedule+0x16/0x18 [ 176.649827][ C0] ? mark_lock+0x107/0x1650 [ 176.654414][ C0] __local_bh_enable_ip+0x17d/0x240 [ 176.661876][ C0] ? dev_uc_add+0x3c7/0x4b0 [ 176.666559][ C0] _raw_spin_unlock_bh+0x2f/0x40 [ 176.671583][ C0] dev_uc_add+0x3c7/0x4b0 [ 176.675924][ C0] macvlan_open+0x52e/0x9a0 [ 176.680520][ C0] __dev_open+0x284/0x420 [ 176.684864][ C0] __dev_change_flags+0x1a8/0x680 [ 176.690000][ C0] ? kfree+0x194/0x200 [ 176.694238][ C0] dev_change_flags+0x8a/0x190 [ 176.699014][ C0] do_setlink+0xb2e/0x3960 [ 176.704040][ C0] ? __nla_validate_parse+0x18cd/0x1f40 [ 176.709784][ C0] ? __kasan_check_read+0x11/0x20 [ 176.715174][ C0] rtnl_newlink+0x14dd/0x1bd0 [ 176.719864][ C0] ? rtnl_newlink+0x351/0x1bd0 [ 176.724816][ C0] ? rcu_lock_release+0x21/0x30 [ 176.730058][ C0] ? __mutex_lock_common+0x4f5/0x2e10 [ 176.735436][ C0] ? rtnetlink_rcv_msg+0x83c/0xd40 [ 176.740537][ C0] ? rcu_lock_release+0x9/0x30 [ 176.745309][ C0] ? rtnl_setlink+0x490/0x490 [ 176.750063][ C0] rtnetlink_rcv_msg+0x889/0xd40 [ 176.754998][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 176.760717][ C0] ? local_bh_enable+0x9/0x30 [ 176.766525][ C0] ? trace_hardirqs_on+0x74/0x80 [ 176.771733][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 176.777653][ C0] ? local_bh_enable+0x1f/0x30 [ 176.782622][ C0] ? rcu_lock_release+0x9/0x30 [ 176.787560][ C0] ? rcu_lock_release+0x9/0x30 [ 176.792329][ C0] netlink_rcv_skb+0x19e/0x3d0 [ 176.797194][ C0] ? rtnetlink_bind+0x80/0x80 [ 176.802058][ C0] rtnetlink_rcv+0x1c/0x20 [ 176.806465][ C0] netlink_unicast+0x767/0x920 [ 176.811243][ C0] netlink_sendmsg+0xa31/0xd50 [ 176.816182][ C0] ? netlink_getsockopt+0x9f0/0x9f0 [ 176.821638][ C0] __sys_sendto+0x442/0x5e0 [ 176.826163][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 176.832498][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 176.838297][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 176.843752][ C0] __x64_sys_sendto+0xe5/0x100 [ 176.848588][ C0] do_syscall_64+0xf7/0x1c0 [ 176.853451][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.859537][ C0] RIP: 0033:0x414c43 [ 176.863443][ C0] 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 2d 38 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 [ 176.883065][ C0] RSP: 002b:00007ffc2b74cff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 176.891473][ C0] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414c43 [ 176.899446][ C0] RDX: 000000000000002c RSI: 0000000000a72250 RDI: 0000000000000003 [ 176.907505][ C0] RBP: 0000000000000000 R08: 00007ffc2b74d000 R09: 000000000000000c [ 176.915507][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 176.923642][ C0] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003