[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 54.853051][ T26] audit: type=1800 audit(1578485433.216:25): pid=8434 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 54.873310][ T26] audit: type=1800 audit(1578485433.216:26): pid=8434 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 54.924780][ T26] audit: type=1800 audit(1578485433.216:27): pid=8434 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 '10.128.1.45' (ECDSA) to the list of known hosts. 2020/01/08 12:10:45 fuzzer started 2020/01/08 12:10:47 dialing manager at 10.128.0.26:35703 2020/01/08 12:10:47 syscalls: 2824 2020/01/08 12:10:47 code coverage: enabled 2020/01/08 12:10:47 comparison tracing: enabled 2020/01/08 12:10:47 extra coverage: enabled 2020/01/08 12:10:47 setuid sandbox: enabled 2020/01/08 12:10:47 namespace sandbox: enabled 2020/01/08 12:10:47 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 12:10:47 fault injection: enabled 2020/01/08 12:10:47 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 12:10:47 net packet injection: enabled 2020/01/08 12:10:47 net device setup: enabled 2020/01/08 12:10:47 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 12:10:47 devlink PCI setup: PCI device 0000:00:10.0 is not available 12:10:48 executing program 0: r0 = syz_open_dev$video(&(0x7f0000000240)='/dev/video#\x00', 0x404, 0x0) ioctl$VIDIOC_S_AUDOUT(r0, 0x40345632, &(0x7f0000000000)={0x0, "6d002094aeaa71e69ada60406ddb9d8c521565d0ddf067b23da03a4dcb7530eb"}) 12:10:49 executing program 1: open(&(0x7f0000000140)='./bus\x00', 0x0, 0x0) sched_setscheduler(0x0, 0x5, &(0x7f0000000380)) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000200)={0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0}, 0x30) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write$binfmt_script(0xffffffffffffffff, 0x0, 0x0) io_cancel(0x0, 0x0, 0x0) bind$alg(0xffffffffffffffff, &(0x7f0000000200)={0x26, 'hash\x00', 0x0, 0x0, 'sha1-avx\x00'}, 0x58) accept4$alg(0xffffffffffffffff, 0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mbind(&(0x7f0000012000/0xc00000)=nil, 0xc00007, 0x1, 0x0, 0x0, 0x2000000000002) syzkaller login: [ 70.740018][ T8600] IPVS: ftp: loaded support on port[0] = 21 [ 70.908214][ T8602] IPVS: ftp: loaded support on port[0] = 21 [ 70.919900][ T8600] chnl_net:caif_netlink_parms(): no params data found 12:10:49 executing program 2: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)="77690addcfbe1fbb66ec", 0xff3b}], 0x1, 0x1) close(r1) socket$nl_route(0x10, 0x3, 0x0) r2 = socket$unix(0x1, 0x1, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = dup2(r3, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000180)=@ipv4_newroute={0x1c, 0x18, 0x35f32a6dfa748ddd, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfd, 0x3}}, 0x1c}}, 0x0) splice(r0, 0x0, r1, 0x0, 0x100000000, 0x0) [ 70.999469][ T8600] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.008107][ T8600] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.019526][ T8600] device bridge_slave_0 entered promiscuous mode [ 71.038667][ T8600] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.046320][ T8600] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.054350][ T8600] device bridge_slave_1 entered promiscuous mode [ 71.125779][ T8600] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.164556][ T8600] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.211675][ T8602] chnl_net:caif_netlink_parms(): no params data found [ 71.229123][ T8606] IPVS: ftp: loaded support on port[0] = 21 [ 71.232935][ T8600] team0: Port device team_slave_0 added 12:10:49 executing program 3: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000140)={'veth1_to_hsr\x00', &(0x7f00000000c0)=@ethtool_coalesce={0xe}}) [ 71.268180][ T8600] team0: Port device team_slave_1 added [ 71.343444][ T8600] device hsr_slave_0 entered promiscuous mode [ 71.391151][ T8600] device hsr_slave_1 entered promiscuous mode 12:10:49 executing program 4: r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000f5dfe4)={0xa, 0x4e20}, 0x1c) r1 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f0000000240)={0xa, 0x4e20, 0x0, @mcast2}, 0x1c) setsockopt$inet6_int(r0, 0x29, 0x8, &(0x7f0000000080)=0x31c, 0x4) recvmmsg(r0, &(0x7f0000008880), 0x45b, 0x44000102, 0x0) [ 71.479940][ T8608] IPVS: ftp: loaded support on port[0] = 21 [ 71.493805][ T8602] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.507296][ T8602] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.515442][ T8602] device bridge_slave_0 entered promiscuous mode [ 71.545621][ T8602] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.553362][ T8602] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.563042][ T8602] device bridge_slave_1 entered promiscuous mode [ 71.661704][ T8602] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.694033][ T8602] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.802457][ T8606] chnl_net:caif_netlink_parms(): no params data found [ 71.824105][ T8602] team0: Port device team_slave_0 added 12:10:50 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000b82000)={0x10000004}) epoll_wait(r1, &(0x7f0000000080)=[{}], 0x600, 0xffffffff) [ 71.846615][ T8600] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.863819][ T8611] IPVS: ftp: loaded support on port[0] = 21 [ 71.940191][ T8602] team0: Port device team_slave_1 added [ 71.954517][ T8600] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.003116][ T8600] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.103124][ T8614] IPVS: ftp: loaded support on port[0] = 21 [ 72.112129][ T8600] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.223966][ T8602] device hsr_slave_0 entered promiscuous mode [ 72.261127][ T8602] device hsr_slave_1 entered promiscuous mode [ 72.290993][ T8602] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.298738][ T8602] Cannot create hsr debugfs directory [ 72.310987][ T8608] chnl_net:caif_netlink_parms(): no params data found [ 72.319507][ T8606] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.327288][ T8606] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.335073][ T8606] device bridge_slave_0 entered promiscuous mode [ 72.345455][ T8606] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.352731][ T8606] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.360492][ T8606] device bridge_slave_1 entered promiscuous mode [ 72.448453][ T8606] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.461615][ T8606] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.496294][ T8608] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.503821][ T8608] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.512102][ T8608] device bridge_slave_0 entered promiscuous mode [ 72.533019][ T8606] team0: Port device team_slave_0 added [ 72.542315][ T8606] team0: Port device team_slave_1 added [ 72.559855][ T8608] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.567232][ T8608] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.575513][ T8608] device bridge_slave_1 entered promiscuous mode [ 72.630409][ T8600] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.659912][ T8608] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.676345][ T8611] chnl_net:caif_netlink_parms(): no params data found [ 72.689836][ T8602] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 72.747517][ T8608] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.814148][ T8606] device hsr_slave_0 entered promiscuous mode [ 72.871211][ T8606] device hsr_slave_1 entered promiscuous mode [ 72.910923][ T8606] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.918631][ T8606] Cannot create hsr debugfs directory [ 72.924360][ T8602] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 72.974613][ T8602] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 73.006202][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.014932][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.030468][ T8600] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.046363][ T8608] team0: Port device team_slave_0 added [ 73.055382][ T8602] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 73.128931][ T8608] team0: Port device team_slave_1 added [ 73.142877][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.151850][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.160349][ T2668] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.167541][ T2668] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.175746][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.185781][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.194207][ T2668] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.201298][ T2668] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.208818][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.227237][ T8611] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.234495][ T8611] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.244805][ T8611] device bridge_slave_0 entered promiscuous mode [ 73.268432][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.277008][ T8611] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.285451][ T8611] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.293442][ T8611] device bridge_slave_1 entered promiscuous mode [ 73.344646][ T8608] device hsr_slave_0 entered promiscuous mode [ 73.401126][ T8608] device hsr_slave_1 entered promiscuous mode [ 73.440905][ T8608] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.448507][ T8608] Cannot create hsr debugfs directory [ 73.473441][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.484146][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.493488][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.502377][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.535968][ T8611] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.551836][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.560407][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.568872][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.577144][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.607880][ T8614] chnl_net:caif_netlink_parms(): no params data found [ 73.618474][ T8611] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.673366][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.685583][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.706845][ T8600] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.718017][ T8611] team0: Port device team_slave_0 added [ 73.749380][ T8611] team0: Port device team_slave_1 added [ 73.785895][ T8608] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 73.842652][ T8606] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 73.892677][ T8606] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 73.993484][ T8611] device hsr_slave_0 entered promiscuous mode [ 74.021155][ T8611] device hsr_slave_1 entered promiscuous mode [ 74.070917][ T8611] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.078497][ T8611] Cannot create hsr debugfs directory [ 74.084308][ T8614] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.091727][ T8614] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.099543][ T8614] device bridge_slave_0 entered promiscuous mode [ 74.111319][ T8608] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 74.166300][ T8606] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 74.212727][ T8606] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 74.256744][ T8614] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.264073][ T8614] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.272203][ T8614] device bridge_slave_1 entered promiscuous mode [ 74.282400][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.289809][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.298716][ T8608] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 74.357129][ T8608] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 74.432985][ T8614] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.467476][ T8602] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.476741][ T8600] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.485535][ T8614] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.534281][ T8614] team0: Port device team_slave_0 added [ 74.542792][ T8614] team0: Port device team_slave_1 added [ 74.580930][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.588970][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.602772][ T8602] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.633587][ T8614] device hsr_slave_0 entered promiscuous mode [ 74.681457][ T8614] device hsr_slave_1 entered promiscuous mode [ 74.721615][ T8614] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.729276][ T8614] Cannot create hsr debugfs directory [ 74.769740][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.780613][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.789506][ T2668] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.796941][ T2668] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.804690][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.813686][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.822108][ T2668] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.829161][ T2668] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.837160][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.850818][ T8611] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 74.894622][ T8611] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 74.955246][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.964654][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.973426][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.004645][ T8611] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 75.044840][ T8611] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 75.094286][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.104389][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.113192][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.122428][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.134391][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.142942][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.150615][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.158780][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.190348][ T8602] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 75.203002][ T8602] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.226085][ T8608] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.235506][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.247049][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.255888][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.264632][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.273849][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.282553][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.291132][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.309460][ T8600] device veth0_vlan entered promiscuous mode [ 75.335472][ T8606] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.359303][ T8602] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.376208][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.386248][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.394982][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.402922][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.414902][ T8600] device veth1_vlan entered promiscuous mode [ 75.425860][ T8608] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.452494][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.460140][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.484733][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.494353][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.502915][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.510071][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.522819][ T8606] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.547787][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.556481][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.565239][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.573669][ T2801] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.580852][ T2801] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.589039][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.597625][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.606199][ T2801] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.613292][ T2801] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.621386][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.629679][ T8614] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 75.677969][ T8614] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 75.722889][ T8614] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 75.783299][ T8614] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 75.850171][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.859730][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.868978][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.882278][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.890562][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.897703][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.911027][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.919870][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.928466][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.938383][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.948824][ T8611] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.975477][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.003100][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.021552][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.041236][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.050231][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.064383][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.090238][ T8611] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.112785][ T8608] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.130210][ T8608] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.154049][ T8602] device veth0_vlan entered promiscuous mode [ 76.173903][ T8602] device veth1_vlan entered promiscuous mode [ 181.060714][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 181.067573][ C0] rcu: 0-....: (10500 ticks this GP) idle=bf6/1/0x4000000000000002 softirq=13930/13930 fqs=2744 [ 181.078340][ C0] (t=10500 jiffies g=7077 q=430) [ 181.083384][ C0] rcu: rcu_preempt kthread starved for 5002 jiffies! g7077 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 181.094408][ C0] rcu: RCU grace-period kthread stack dump: [ 181.100288][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 181.108298][ C0] Call Trace: [ 181.111585][ C0] __schedule+0x9a0/0xcc0 [ 181.115953][ C0] schedule+0x181/0x210 [ 181.120117][ C0] schedule_timeout+0x14f/0x240 [ 181.125107][ C0] ? run_local_timers+0x120/0x120 [ 181.130170][ C0] rcu_gp_kthread+0xed8/0x1770 [ 181.135000][ C0] kthread+0x332/0x350 [ 181.139096][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 181.144227][ C0] ? kthread_blkcg+0xe0/0xe0 [ 181.148831][ C0] ret_from_fork+0x24/0x30 [ 181.153363][ C0] NMI backtrace for cpu 0 [ 181.157700][ C0] CPU: 0 PID: 8618 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 181.166283][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.176344][ C0] Call Trace: [ 181.179633][ C0] [ 181.182497][ C0] dump_stack+0x1fb/0x318 [ 181.186839][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 181.191695][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 181.197858][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 181.203932][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 181.209929][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 181.215826][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 181.220953][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 181.226166][ C0] ? trace_hardirqs_off+0x74/0x80 [ 181.231192][ C0] update_process_times+0x12d/0x180 [ 181.236575][ C0] tick_sched_timer+0x263/0x420 [ 181.241455][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 181.247010][ C0] __hrtimer_run_queues+0x403/0x840 [ 181.252211][ C0] hrtimer_interrupt+0x38c/0xda0 [ 181.257171][ C0] ? debug_smp_processor_id+0x9/0x20 [ 181.262452][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 181.268437][ C0] apic_timer_interrupt+0xf/0x20 [ 181.273361][ C0] [ 181.276306][ C0] RIP: 0010:free_thread_stack+0x11f/0x590 [ 181.282038][ C0] Code: 3e e8 45 73 ee ff 48 c1 e8 06 48 83 e0 c0 48 bf 00 00 00 00 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 86 91 61 00 e9 5d 04 00 00 3c 2c 2e 00 48 89 df 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 [ 181.301716][ C0] RSP: 0018:ffffc900026c7e40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 181.310153][ C0] RAX: 1ffff110115645f1 RBX: ffffea0001a67700 RCX: ffff888086ec23c0 [ 181.318143][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0001a67700 [ 181.326207][ C0] RBP: ffffc900026c7e78 R08: 000000000003a728 R09: fffffbfff124248a [ 181.334185][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88809d54a020 [ 181.342161][ C0] R13: dffffc0000000000 R14: 1ffff11013aa9404 R15: ffff888087b398b8 [ 181.350431][ C0] put_task_stack+0xa3/0x130 [ 181.355013][ C0] finish_task_switch+0x3f1/0x550 [ 181.360049][ C0] schedule_tail+0x20/0x1a0 [ 181.364563][ C0] ret_from_fork+0x8/0x30 [ 181.368899][ C0] RIP: 0033:0x45951a [ 181.372808][ C0] Code: Bad RIP value. [ 181.376862][ C0] RSP: 002b:00007ffdc51c81d0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 181.385279][ C0] RAX: 0000000000000000 RBX: 00007ffdc51c81d0 RCX: 000000000045951a [ 181.393266][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 181.401242][ C0] RBP: 00007ffdc51c8210 R08: 0000000000000001 R09: 00000000024d4940 [ 181.409221][ C0] R10: 00000000024d4c10 R11: 0000000000000246 R12: 0000000000000001 [ 181.417200][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffdc51c8260