[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.917250][ T23] audit: type=1800 audit(1578462857.413:25): pid=8389 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.947139][ T23] audit: type=1800 audit(1578462857.413:26): pid=8389 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.984250][ T23] audit: type=1800 audit(1578462857.413:27): pid=8389 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 '10.128.0.9' (ECDSA) to the list of known hosts. 2020/01/08 05:54:29 fuzzer started 2020/01/08 05:54:31 dialing manager at 10.128.0.26:35703 2020/01/08 05:54:31 syscalls: 2824 2020/01/08 05:54:31 code coverage: enabled 2020/01/08 05:54:31 comparison tracing: enabled 2020/01/08 05:54:31 extra coverage: enabled 2020/01/08 05:54:31 setuid sandbox: enabled 2020/01/08 05:54:31 namespace sandbox: enabled 2020/01/08 05:54:31 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 05:54:31 fault injection: enabled 2020/01/08 05:54:31 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 05:54:31 net packet injection: enabled 2020/01/08 05:54:31 net device setup: enabled 2020/01/08 05:54:31 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 05:54:31 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:54:32 executing program 0: r0 = creat(&(0x7f0000000100)='./file0\x00', 0x20005d) close(r0) r1 = memfd_create(&(0x7f0000000100)='\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x99\x11\f\a\tB\xa8\xe9\xb6\xfe\xb5\xb5\\o\xee\x1e\xde\xdb\x0fY\xe1p\x9dZ\x7f\x87]\xc2\xda?,x\xa9\xe0\v\xb43\xbc\x01o\xd56G\xdd\x06q\x06\xea\xc2$\xb0X\x90\x82\xcd\xfb\xd0_\xfe\x0f\xd0d\x8bhZ\xae\\\x9f\xb4H\xd5\x81)o\xb8\xc5\xd1\xcd\xac\xae\xa9\xbf\xb0\x82\xabT?\xc9@\x872)\xcf+a\xc8\xf4\xc6\xe8\'\xcb)X1\xc8\x1a\xfa\xba\x14\x98\xddO\x13\xaa{Qn\xd26\x06\x12&\xe79j\x80\x9am\x19\x01\x9cN\xd4\x02\xdb\xf6\xfd\xdbkV\x82s\x8b\xbd\xcb@\xbd\xa4\x97\xbe\x83\xcc\xb4\x1f\xe3\x1b\x92\xc4\x8b\xdf\xb9\x86g\x95', 0x0) write$binfmt_script(r1, &(0x7f00000001c0)={'#! ', './file0'}, 0xb) clone(0x8020002100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execveat(r1, &(0x7f0000000000)='\x00', 0x0, 0x0, 0x1000) 05:54:32 executing program 1: syz_open_dev$cec(&(0x7f0000000040)='/dev/cec#\x00', 0x0, 0x2) r0 = syz_open_dev$cec(0x0, 0x0, 0x2) ioctl$IOC_PR_PREEMPT(r0, 0x40046109, &(0x7f0000000080)={0xd0}) syzkaller login: [ 71.012347][ T8555] IPVS: ftp: loaded support on port[0] = 21 [ 71.179989][ T8555] chnl_net:caif_netlink_parms(): no params data found 05:54:32 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x6d) ioctl(r0, 0x1000008912, &(0x7f0000000100)="0815b5055e0bcfe87b3071") r1 = socket(0x10, 0x803, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) r2 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x3) shutdown(r2, 0x0) recvmmsg(r2, &(0x7f00000006c0)=[{{&(0x7f0000000140)=@xdp, 0x3f, &(0x7f0000000000), 0x3d8, &(0x7f00000002c0)=""/204, 0xffffff77}}], 0x1500, 0x0, 0x0) [ 71.246426][ T8555] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.254047][ T8555] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.262809][ T8555] device bridge_slave_0 entered promiscuous mode [ 71.272348][ T8555] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.279929][ T8555] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.288077][ T8555] device bridge_slave_1 entered promiscuous mode [ 71.312953][ T8555] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.315496][ T8559] IPVS: ftp: loaded support on port[0] = 21 [ 71.330165][ T8555] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.356330][ T8555] team0: Port device team_slave_0 added [ 71.363959][ T8555] team0: Port device team_slave_1 added [ 71.419285][ T8555] device hsr_slave_0 entered promiscuous mode 05:54:33 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) getsockopt$sock_int(r1, 0x1, 0xc, 0x0, &(0x7f00000000c0)=0x280) [ 71.524797][ T8555] device hsr_slave_1 entered promiscuous mode [ 71.591815][ T8561] IPVS: ftp: loaded support on port[0] = 21 [ 71.758832][ T8563] IPVS: ftp: loaded support on port[0] = 21 05:54:33 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000200)='./cgroup/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000000)='io.max\x00', 0x2, 0x0) openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0) preadv(r1, &(0x7f0000000100)=[{&(0x7f0000000040)=""/148, 0x94}], 0x1, 0xffff) [ 71.821822][ T8559] chnl_net:caif_netlink_parms(): no params data found [ 71.881704][ T8555] netdevsim netdevsim0 netdevsim0: renamed from eth0 05:54:33 executing program 5: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000080)='/dev/fuse\x00', 0x2, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup3(r2, r1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) mount$fuse(0x0, &(0x7f00000001c0)='./file0\x00', &(0x7f0000000240)='fuse\x00', 0x0, &(0x7f0000000480)={{'fd', 0x3d, r0}, 0x2c, {'rootmode'}, 0x2c, {'user_id'}, 0x2c, {'group_id'}}) [ 71.977714][ T8555] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.092832][ T8567] IPVS: ftp: loaded support on port[0] = 21 [ 72.109678][ T8555] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.169469][ T8555] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.241446][ T8561] chnl_net:caif_netlink_parms(): no params data found [ 72.272652][ T8569] IPVS: ftp: loaded support on port[0] = 21 [ 72.290590][ T8559] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.298230][ T8559] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.307663][ T8559] device bridge_slave_0 entered promiscuous mode [ 72.317531][ T8559] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.324748][ T8559] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.332641][ T8559] device bridge_slave_1 entered promiscuous mode [ 72.395395][ T8559] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.408451][ T8559] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.429381][ T8561] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.436814][ T8561] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.445396][ T8561] device bridge_slave_0 entered promiscuous mode [ 72.466544][ T8561] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.473650][ T8561] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.481501][ T8561] device bridge_slave_1 entered promiscuous mode [ 72.497310][ T8559] team0: Port device team_slave_0 added [ 72.513787][ T8559] team0: Port device team_slave_1 added [ 72.528421][ T8561] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.589277][ T8561] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.686953][ T8559] device hsr_slave_0 entered promiscuous mode [ 72.744963][ T8559] device hsr_slave_1 entered promiscuous mode [ 72.794997][ T8559] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.802752][ T8559] Cannot create hsr debugfs directory [ 72.826061][ T8561] team0: Port device team_slave_0 added [ 72.831901][ T8569] chnl_net:caif_netlink_parms(): no params data found [ 72.867115][ T8561] team0: Port device team_slave_1 added [ 72.880707][ T8563] chnl_net:caif_netlink_parms(): no params data found [ 72.918126][ T8567] chnl_net:caif_netlink_parms(): no params data found [ 72.933016][ T8555] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.007340][ T8561] device hsr_slave_0 entered promiscuous mode [ 73.044934][ T8561] device hsr_slave_1 entered promiscuous mode [ 73.084645][ T8561] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.092235][ T8561] Cannot create hsr debugfs directory [ 73.158238][ T8569] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.166679][ T8569] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.174355][ T8569] device bridge_slave_0 entered promiscuous mode [ 73.195847][ T8563] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.202920][ T8563] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.211772][ T8563] device bridge_slave_0 entered promiscuous mode [ 73.219238][ T8569] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.227014][ T8569] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.234687][ T8569] device bridge_slave_1 entered promiscuous mode [ 73.260042][ T8567] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.267584][ T8567] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.276119][ T8567] device bridge_slave_0 entered promiscuous mode [ 73.283388][ T8563] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.290594][ T8563] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.301447][ T8563] device bridge_slave_1 entered promiscuous mode [ 73.314406][ T8559] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 73.371653][ T8559] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 73.418353][ T8559] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 73.472066][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.480474][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.488449][ T8567] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.495723][ T8567] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.503274][ T8567] device bridge_slave_1 entered promiscuous mode [ 73.528240][ T8569] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.541857][ T8569] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.560536][ T8559] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 73.597348][ T8563] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.609942][ T8567] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.621397][ T8569] team0: Port device team_slave_0 added [ 73.631509][ T8555] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.642968][ T8563] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.654233][ T8567] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.677505][ T8569] team0: Port device team_slave_1 added [ 73.703048][ T8567] team0: Port device team_slave_0 added [ 73.720474][ T8561] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 73.764196][ T8567] team0: Port device team_slave_1 added [ 73.836966][ T8567] device hsr_slave_0 entered promiscuous mode [ 73.874922][ T8567] device hsr_slave_1 entered promiscuous mode [ 73.914611][ T8567] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.922193][ T8567] Cannot create hsr debugfs directory [ 73.928170][ T8561] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 73.978341][ T8563] team0: Port device team_slave_0 added [ 73.984147][ T8561] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 74.027103][ T8561] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 74.080706][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.089331][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.097896][ T2706] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.105157][ T2706] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.113029][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.122555][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.132601][ T2706] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.139668][ T2706] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.151776][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.166308][ T8563] team0: Port device team_slave_1 added [ 74.246450][ T8569] device hsr_slave_0 entered promiscuous mode [ 74.285296][ T8569] device hsr_slave_1 entered promiscuous mode [ 74.324635][ T8569] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.332207][ T8569] Cannot create hsr debugfs directory [ 74.340587][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.349946][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.358546][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.369577][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.378362][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.387149][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.402487][ T8559] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.433815][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.444337][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.452796][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.469963][ T8559] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.507314][ T8563] device hsr_slave_0 entered promiscuous mode [ 74.545282][ T8563] device hsr_slave_1 entered promiscuous mode [ 74.584644][ T8563] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.592230][ T8563] Cannot create hsr debugfs directory [ 74.605013][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.613206][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.654676][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.663172][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.672073][ T2993] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.679251][ T2993] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.687952][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.696301][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.704718][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.713180][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.721663][ T2993] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.728740][ T2993] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.736479][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.747462][ T8555] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.777062][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.785313][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.836228][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.843690][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.852472][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.861396][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.870356][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.879053][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.887851][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.896727][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.904961][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.913260][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.923645][ T8555] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.961064][ T8559] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.969099][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.987453][ T8567] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 75.028403][ T8567] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 75.077174][ T8567] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 75.117264][ T8567] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 75.198270][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.207174][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.216465][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.223874][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.231542][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.239848][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.248436][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.256158][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.271864][ T8559] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.299749][ T8555] device veth0_vlan entered promiscuous mode [ 75.318385][ T8569] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 75.379775][ T8561] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.387438][ T8569] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 75.416608][ T8563] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 75.477182][ T8563] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 75.528041][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.536835][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.550018][ T8555] device veth1_vlan entered promiscuous mode [ 75.573323][ T8569] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 75.608064][ T8563] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 75.657786][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.666060][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.674253][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.683143][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.694101][ T8559] device veth0_vlan entered promiscuous mode [ 75.701421][ T8569] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 75.751059][ T8563] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 75.790225][ T3242] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.799684][ T3242] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.813722][ T8561] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.833228][ T8559] device veth1_vlan entered promiscuous mode [ 75.842709][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.851165][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.881896][ T8574] ERROR: Domain ' /sbin/init /etc/init.d/rc /sbin/startpar /etc/init.d/ssh /sbin/start-stop-daemon /usr/sbin/sshd /usr/sbin/sshd /bin/bash /root/syz-fuzzer /root/syz-executor.0 proc:/self/fd/3' not defined. [ 75.932677][ T3242] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.943105][ T3242] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.965019][ T3242] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.972085][ T3242] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.979830][ T3242] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.995139][ T3242] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.003509][ T3242] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.010589][ T3242] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.025727][ T3242] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.034338][ T3242] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.069184][ T8567] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.135194][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.143097][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.166204][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.173848][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 181.024458][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 181.031216][ C0] rcu: 0-...!: (1 GPs behind) idle=bda/1/0x4000000000000002 softirq=14602/14603 fqs=8 [ 181.041103][ C0] (t=10500 jiffies g=6809 q=397) [ 181.046121][ C0] rcu: rcu_preempt kthread starved for 10484 jiffies! g6809 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 181.057216][ C0] rcu: RCU grace-period kthread stack dump: [ 181.063109][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 181.071005][ C0] Call Trace: [ 181.074291][ C0] __schedule+0x9a0/0xcc0 [ 181.078633][ C0] schedule+0x181/0x210 [ 181.082779][ C0] schedule_timeout+0x14f/0x240 [ 181.087622][ C0] ? run_local_timers+0x120/0x120 [ 181.092638][ C0] rcu_gp_kthread+0xed8/0x1770 [ 181.097417][ C0] kthread+0x332/0x350 [ 181.101490][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 181.106708][ C0] ? kthread_blkcg+0xe0/0xe0 [ 181.111299][ C0] ret_from_fork+0x24/0x30 [ 181.115725][ C0] NMI backtrace for cpu 0 [ 181.120048][ C0] CPU: 0 PID: 8555 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 181.128614][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.138657][ C0] Call Trace: [ 181.141929][ C0] [ 181.144771][ C0] dump_stack+0x1fb/0x318 [ 181.149091][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 181.153930][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 181.160072][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 181.166128][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 181.172099][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 181.177977][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 181.183082][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 181.188324][ C0] ? trace_hardirqs_off+0x74/0x80 [ 181.193345][ C0] update_process_times+0x12d/0x180 [ 181.198532][ C0] tick_sched_timer+0x263/0x420 [ 181.203369][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 181.208909][ C0] __hrtimer_run_queues+0x403/0x840 [ 181.214108][ C0] hrtimer_interrupt+0x38c/0xda0 [ 181.219052][ C0] ? debug_smp_processor_id+0x9/0x20 [ 181.224330][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 181.230732][ C0] apic_timer_interrupt+0xf/0x20 [ 181.235914][ C0] [ 181.239027][ C0] RIP: 0010:free_thread_stack+0x18b/0x590 [ 181.244737][ C0] Code: ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 39 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 1b 94 6a 00 48 8b 1b e9 82 ff ff ff e8 be 2b 2e [ 181.264342][ C0] RSP: 0018:ffffc90001fc7bd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 181.272738][ C0] RAX: 1ffff1101282e2d1 RBX: ffff888094171688 RCX: ffff88809792e540 [ 181.280708][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000229abc0 [ 181.288667][ C0] RBP: ffffc90001fc7c08 R08: 000000000003a728 R09: ffffed1012a5bab1 [ 181.296627][ C0] R10: ffffed1012a5bab1 R11: 0000000000000000 R12: ffff888094171720 [ 181.304595][ C0] R13: dffffc0000000000 R14: 1ffff1101282e2e4 R15: ffff8880952dd578 [ 181.312577][ C0] put_task_stack+0xa3/0x130 [ 181.317157][ C0] finish_task_switch+0x3f1/0x550 [ 181.322243][ C0] __schedule+0x9a8/0xcc0 [ 181.326583][ C0] schedule+0x181/0x210 [ 181.330742][ C0] do_nanosleep+0x1d0/0x6c0 [ 181.335243][ C0] hrtimer_nanosleep+0x3a6/0x5b0 [ 181.340176][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 181.345999][ C0] __x64_sys_nanosleep+0x186/0x1d0 [ 181.351101][ C0] do_syscall_64+0xf7/0x1c0 [ 181.355616][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 181.361494][ C0] RIP: 0033:0x4593f0 [ 181.365917][ C0] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 41 f5 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 181.385521][ C0] RSP: 002b:00007ffd26d0d378 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 181.393944][ C0] RAX: ffffffffffffffda RBX: 000000000001284d RCX: 00000000004593f0 [ 181.401909][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd26d0d380 [ 181.409891][ C0] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000001538940 [ 181.417865][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 181.425841][ C0] R13: 00007ffd26d0d3d0 R14: 000000000001283b R15: 00007ffd26d0d3e0