[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.905973][ T23] audit: type=1800 audit(1578459007.483:25): pid=8258 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.924799][ T23] audit: type=1800 audit(1578459007.483:26): pid=8258 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.950333][ T23] audit: type=1800 audit(1578459007.493:27): pid=8258 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 '10.128.0.110' (ECDSA) to the list of known hosts. 2020/01/08 04:50:18 fuzzer started 2020/01/08 04:50:19 dialing manager at 10.128.0.26:35703 2020/01/08 04:50:19 syscalls: 2824 2020/01/08 04:50:19 code coverage: enabled 2020/01/08 04:50:19 comparison tracing: enabled 2020/01/08 04:50:19 extra coverage: enabled 2020/01/08 04:50:19 setuid sandbox: enabled 2020/01/08 04:50:19 namespace sandbox: enabled 2020/01/08 04:50:19 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 04:50:19 fault injection: enabled 2020/01/08 04:50:19 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 04:50:19 net packet injection: enabled 2020/01/08 04:50:19 net device setup: enabled 2020/01/08 04:50:19 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 04:50:19 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:50:20 executing program 0: r0 = syz_open_dev$cec(&(0x7f0000000040)='/dev/cec#\x00', 0x1, 0x2) ioctl$IOC_PR_PREEMPT(r0, 0x40046109, &(0x7f0000000080)={0x12}) ioctl$IOC_PR_PREEMPT(r0, 0xc05c6104, &(0x7f0000000200)) 04:50:21 executing program 1: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_REQBUFS(r0, 0xc0145608, &(0x7f0000000180)={0x0, 0xd}) syzkaller login: [ 58.568576][ T8428] IPVS: ftp: loaded support on port[0] = 21 04:50:21 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) keyctl$instantiate(0xc, 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='new default user:syz 040'], 0x1, 0x0) r0 = add_key(&(0x7f0000000140)='encrypted\x00', &(0x7f0000000180)={'syz'}, &(0x7f0000000100), 0xca, 0xfffffffffffffffe) add_key$user(&(0x7f0000000040)='user\x00', &(0x7f0000000000)={'syz'}, &(0x7f0000000440)='X', 0x1, 0xfffffffffffffffe) keyctl$read(0xb, r0, &(0x7f0000000240)=""/112, 0x349b7f55) keyctl$clear(0x7, 0x0) [ 58.676249][ T8430] IPVS: ftp: loaded support on port[0] = 21 [ 58.776926][ T8428] chnl_net:caif_netlink_parms(): no params data found [ 58.859834][ T8433] IPVS: ftp: loaded support on port[0] = 21 [ 58.915773][ T8428] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.924412][ T8428] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.933627][ T8428] device bridge_slave_0 entered promiscuous mode 04:50:21 executing program 3: r0 = socket$kcm(0xa, 0x2, 0x73) connect(r0, &(0x7f0000000180)=@in6={0xa, 0x0, 0x0, @empty={[0xfc]}}, 0x3f) [ 58.965448][ T8428] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.974737][ T8428] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.983033][ T8428] device bridge_slave_1 entered promiscuous mode [ 58.999226][ T8430] chnl_net:caif_netlink_parms(): no params data found [ 59.061749][ T8428] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.104432][ T8428] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.179935][ T8430] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.190228][ T8430] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.197757][ T8430] device bridge_slave_0 entered promiscuous mode [ 59.227141][ T8428] team0: Port device team_slave_0 added [ 59.242447][ T8428] team0: Port device team_slave_1 added [ 59.249195][ T8430] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.257078][ T8430] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.266853][ T8430] device bridge_slave_1 entered promiscuous mode 04:50:21 executing program 4: socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, @bridge={{0xc, 0x1, 'bridge\x00'}, {0xc, 0x2, [@IFLA_BR_MCAST_LAST_MEMBER_CNT={0x8}]}}}]}, 0x3c}}, 0x0) r3 = socket(0x10, 0x80002, 0x0) sendmmsg$alg(r3, &(0x7f0000000180), 0x27a4eaa51029717, 0x0) [ 59.274183][ T8433] chnl_net:caif_netlink_parms(): no params data found [ 59.293185][ T8437] IPVS: ftp: loaded support on port[0] = 21 [ 59.372800][ T8428] device hsr_slave_0 entered promiscuous mode [ 59.440583][ T8428] device hsr_slave_1 entered promiscuous mode 04:50:22 executing program 5: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/fuse\x00', 0x2, 0x0) mount$fuse(0x0, &(0x7f0000000200)='./file0\x00', &(0x7f0000000240)='fuse\x00', 0x0, &(0x7f0000000400)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x4000}, 0x2c, {'user_id'}, 0x2c, {'group_id'}}) write$FUSE_NOTIFY_INVAL_INODE(r0, &(0x7f0000000180)={0x28, 0x2, 0x0, {0x1, 0x8000000000000000}}, 0x28) [ 59.499384][ T8430] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.544405][ T8439] IPVS: ftp: loaded support on port[0] = 21 [ 59.553475][ T8430] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.619930][ T8433] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.632737][ T8433] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.640908][ T8433] device bridge_slave_0 entered promiscuous mode [ 59.661268][ T8441] IPVS: ftp: loaded support on port[0] = 21 [ 59.677346][ T8430] team0: Port device team_slave_0 added [ 59.691220][ T8430] team0: Port device team_slave_1 added [ 59.696996][ T8433] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.704148][ T8433] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.711786][ T8433] device bridge_slave_1 entered promiscuous mode [ 59.814638][ T8433] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.827765][ T8433] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.882561][ T8430] device hsr_slave_0 entered promiscuous mode [ 59.921707][ T8430] device hsr_slave_1 entered promiscuous mode [ 59.960278][ T8430] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.968020][ T8430] Cannot create hsr debugfs directory [ 60.005615][ T8433] team0: Port device team_slave_0 added [ 60.015659][ T8433] team0: Port device team_slave_1 added [ 60.028824][ T8437] chnl_net:caif_netlink_parms(): no params data found [ 60.074519][ T8428] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.124308][ T8428] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.184167][ T8428] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.234057][ T8428] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.341726][ T8433] device hsr_slave_0 entered promiscuous mode [ 60.390444][ T8433] device hsr_slave_1 entered promiscuous mode [ 60.430181][ T8433] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.437760][ T8433] Cannot create hsr debugfs directory [ 60.497224][ T8437] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.505667][ T8437] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.513541][ T8437] device bridge_slave_0 entered promiscuous mode [ 60.545750][ T8437] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.553449][ T8437] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.562237][ T8437] device bridge_slave_1 entered promiscuous mode [ 60.569196][ T8439] chnl_net:caif_netlink_parms(): no params data found [ 60.645515][ T8437] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.657004][ T8437] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.682471][ T8441] chnl_net:caif_netlink_parms(): no params data found [ 60.692270][ T8430] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.757587][ T8437] team0: Port device team_slave_0 added [ 60.777446][ T8430] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.824072][ T8437] team0: Port device team_slave_1 added [ 60.833045][ T8439] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.840741][ T8439] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.848599][ T8439] device bridge_slave_0 entered promiscuous mode [ 60.857179][ T8430] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.922517][ T8430] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.978990][ T8439] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.987582][ T8439] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.996277][ T8439] device bridge_slave_1 entered promiscuous mode [ 61.020321][ T8433] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.067362][ T8433] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.113481][ T8433] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.158336][ T8433] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.261949][ T8437] device hsr_slave_0 entered promiscuous mode [ 61.300398][ T8437] device hsr_slave_1 entered promiscuous mode [ 61.340099][ T8437] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.347660][ T8437] Cannot create hsr debugfs directory [ 61.377385][ T8439] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.388959][ T8439] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.407889][ T8441] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.415773][ T8441] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.423988][ T8441] device bridge_slave_0 entered promiscuous mode [ 61.435873][ T8441] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.445350][ T8441] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.453776][ T8441] device bridge_slave_1 entered promiscuous mode [ 61.507684][ T8428] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.519738][ T8439] team0: Port device team_slave_0 added [ 61.529665][ T8439] team0: Port device team_slave_1 added [ 61.544026][ T8441] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.559534][ T8441] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.576764][ T8428] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.615262][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.624568][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.644788][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.653714][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.662467][ T2711] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.669597][ T2711] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.677769][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.686505][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.694909][ T2711] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.702004][ T2711] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.764077][ T8439] device hsr_slave_0 entered promiscuous mode [ 61.840459][ T8439] device hsr_slave_1 entered promiscuous mode [ 61.880213][ T8439] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.887801][ T8439] Cannot create hsr debugfs directory [ 61.911376][ T8441] team0: Port device team_slave_0 added [ 61.918662][ T8441] team0: Port device team_slave_1 added [ 61.930492][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.983071][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.992151][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.001168][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.009537][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.018034][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.026566][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.035151][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.050930][ T8437] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.099412][ T8430] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.153402][ T8441] device hsr_slave_0 entered promiscuous mode [ 62.201049][ T8441] device hsr_slave_1 entered promiscuous mode [ 62.260181][ T8441] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.267776][ T8441] Cannot create hsr debugfs directory [ 62.273675][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.282383][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.290862][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.298990][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.315537][ T8433] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.322389][ T8437] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.382594][ T8437] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.424982][ T8428] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.459123][ T8433] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.467737][ T8437] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.526428][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.535671][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.544437][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.552589][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.560216][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.567615][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.611709][ T8430] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.618657][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.634193][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.642984][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.650076][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.659358][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.669294][ T8428] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.692819][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.702471][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.711627][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.718662][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.726604][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.735191][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.743944][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.751027][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.758511][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.767639][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.776007][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.783063][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.819323][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.827682][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.836480][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.845977][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.885102][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.895267][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.904424][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.914262][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.923034][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.932857][ T8439] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.980142][ T8441] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.012427][ T8441] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 63.066994][ T8441] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 63.142753][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.150536][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.159070][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.167511][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.176224][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.185008][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.194034][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.203395][ T8439] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 63.256058][ T8428] device veth0_vlan entered promiscuous mode [ 63.268336][ T8441] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 63.323779][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.332410][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.341066][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.349146][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.357813][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.366110][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.374668][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.383387][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.391068][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.398605][ T8439] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 63.443207][ T8433] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.454755][ T8428] device veth1_vlan entered promiscuous mode [ 63.476602][ T8439] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.532203][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.542188][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.550198][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.558390][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.569872][ T8430] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.583385][ T8430] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.594878][ T8437] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.620373][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.628739][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.659968][ T8437] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.687148][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.695646][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.736923][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.746774][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.756419][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.763527][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.788413][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.804197][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.813055][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.820145][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.828172][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.837432][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.846888][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.856208][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.865200][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.873114][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.888088][ T8430] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 168.890003][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 168.896834][ C0] rcu: 0-...!: (10500 ticks this GP) idle=e3a/1/0x4000000000000002 softirq=12033/12033 fqs=0 [ 168.907327][ C0] (t=10501 jiffies g=6581 q=178) [ 168.912353][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g6581 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 168.923613][ C0] rcu: RCU grace-period kthread stack dump: [ 168.929500][ C0] rcu_preempt I28984 10 2 0x80004000 [ 168.935840][ C0] Call Trace: [ 168.939128][ C0] __schedule+0x9a0/0xcc0 [ 168.943457][ C0] schedule+0x181/0x210 [ 168.947606][ C0] schedule_timeout+0x14f/0x240 [ 168.952458][ C0] ? run_local_timers+0x120/0x120 [ 168.957489][ C0] rcu_gp_kthread+0xed8/0x1770 [ 168.962256][ C0] kthread+0x332/0x350 [ 168.966314][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 168.971422][ C0] ? kthread_blkcg+0xe0/0xe0 [ 168.976003][ C0] ret_from_fork+0x24/0x30 [ 168.980454][ C0] NMI backtrace for cpu 0 [ 168.984777][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.5.0-rc5-syzkaller #0 [ 168.992825][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.002877][ C0] Call Trace: [ 169.006258][ C0] [ 169.009106][ C0] dump_stack+0x1fb/0x318 [ 169.013430][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 169.018282][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 169.024439][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 169.030496][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 169.036572][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 169.042463][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 169.047586][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 169.052779][ C0] ? trace_hardirqs_off+0x74/0x80 [ 169.057807][ C0] update_process_times+0x12d/0x180 [ 169.063009][ C0] tick_sched_timer+0x263/0x420 [ 169.067937][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.073471][ C0] __hrtimer_run_queues+0x403/0x840 [ 169.078692][ C0] hrtimer_interrupt+0x38c/0xda0 [ 169.083644][ C0] ? debug_smp_processor_id+0x9/0x20 [ 169.088926][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 169.094464][ C0] apic_timer_interrupt+0xf/0x20 [ 169.099386][ C0] [ 169.102330][ C0] RIP: 0010:__memcg_kmem_uncharge+0x44/0x1a0 [ 169.108299][ C0] Code: fc ff df 4c 8d 77 38 4d 89 f5 49 c1 ed 03 41 80 7c 05 00 00 74 08 4c 89 f7 e8 48 07 fb ff 4d 8b 3e b8 01 00 00 00 89 d9 d3 e0 <4d> 85 ff 0f 84 de 00 00 00 4c 39 3d a4 be ac 07 0f 84 2c 01 00 00 [ 169.127908][ C0] RSP: 0018:ffffc90000cffc70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 169.136304][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 169.144300][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000258f700 [ 169.152269][ C0] RBP: ffffc90000cffca0 R08: dffffc0000000000 R09: fffffbfff12c962d [ 169.160234][ C0] R10: fffffbfff12c962d R11: 0000000000000000 R12: ffffea000258f700 [ 169.168204][ C0] R13: 1ffffd40004b1ee7 R14: ffffea000258f738 R15: 0000000000000000 [ 169.176196][ C0] ? free_thread_stack+0x124/0x590 [ 169.181315][ C0] free_thread_stack+0x12e/0x590 [ 169.186249][ C0] put_task_stack+0xa3/0x130 [ 169.190832][ C0] finish_task_switch+0x3f1/0x550 [ 169.195853][ C0] __schedule+0x9a8/0xcc0 [ 169.200185][ C0] schedule+0x181/0x210 [ 169.204335][ C0] smpboot_thread_fn+0x65f/0x9a0 [ 169.209275][ C0] kthread+0x332/0x350 [ 169.213335][ C0] ? cpu_report_death+0x120/0x120 [ 169.218347][ C0] ? kthread_blkcg+0xe0/0xe0 [ 169.222926][ C0] ret_from_fork+0x24/0x30 [ 169.227461][ C0] Sending NMI from CPU 0 to CPUs 1: [ 169.232970][ C1] NMI backtrace for cpu 1 [ 169.232974][ C1] CPU: 1 PID: 8448 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 169.232978][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.232981][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 169.232987][ C1] Code: 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 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 [ 169.232990][ C1] RSP: 0018:ffffc900024e7810 EFLAGS: 00000246 [ 169.232995][ C1] RAX: ffffffff814897d3 RBX: 0000000000000000 RCX: ffff88808d2e6040 [ 169.232997][ C1] RDX: 0000000000000002 RSI: 000000000003ffff RDI: 0000000000040000 [ 169.233000][ C1] RBP: ffffc900024e7838 R08: dffffc0000000000 R09: fffffbfff12c962d [ 169.233003][ C1] R10: fffffbfff12c962d R11: 0000000000000000 R12: dffffc0000000000 [ 169.233006][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a43af438 [ 169.233009][ C1] FS: 00007f2c33b4c700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 169.233012][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 169.233015][ C1] CR2: 000000000075c000 CR3: 0000000094c17000 CR4: 00000000001406e0 [ 169.233018][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 169.233020][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 169.233022][ C1] Call Trace: [ 169.233024][ C1] ? mod_memcg_page_state+0x123/0x190 [ 169.233027][ C1] free_thread_stack+0x168/0x590 [ 169.233029][ C1] put_task_stack+0xa3/0x130 [ 169.233031][ C1] finish_task_switch+0x3f1/0x550 [ 169.233033][ C1] __schedule+0x9a8/0xcc0 [ 169.233035][ C1] ? do_raw_spin_unlock+0x142/0x950 [ 169.233037][ C1] schedule+0x181/0x210 [ 169.233039][ C1] futex_wait_queue_me+0x2a3/0x4b0 [ 169.233041][ C1] futex_wait+0x252/0x770 [ 169.233043][ C1] do_futex+0x437/0x3d60 [ 169.233045][ C1] ? __lock_acquire+0xc75/0x1be0 [ 169.233047][ C1] ? mutex_unlock+0xd/0x10 [ 169.233049][ C1] ? __might_fault+0xf9/0x160 [ 169.233051][ C1] ? __might_fault+0xf9/0x160 [ 169.233054][ C1] ? check_preemption_disabled+0xb4/0x260 [ 169.233056][ C1] ? debug_smp_processor_id+0x9/0x20 [ 169.233058][ C1] __se_sys_futex+0x28c/0x360 [ 169.233060][ C1] ? prepare_exit_to_usermode+0x221/0x5b0 [ 169.233063][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 169.233065][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 169.233067][ C1] __x64_sys_futex+0xe5/0x100 [ 169.233069][ C1] do_syscall_64+0xf7/0x1c0 [ 169.233072][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.233074][ C1] RIP: 0033:0x45af49 [ 169.233079][ C1] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 169.233082][ C1] RSP: 002b:00007f2c33b4bcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 169.233087][ C1] RAX: ffffffffffffffda RBX: 000000000075bf28 RCX: 000000000045af49 [ 169.233090][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 169.233093][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 169.233095][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 169.233098][ C1] R13: 00007ffe09e2419f R14: 00007f2c33b4c9c0 R15: 000000000075bf2c