[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.814046][ T23] audit: type=1800 audit(1578464113.070:25): pid=8354 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.833174][ T23] audit: type=1800 audit(1578464113.070:26): pid=8354 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.870939][ T23] audit: type=1800 audit(1578464113.070:27): pid=8354 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 '10.128.0.187' (ECDSA) to the list of known hosts. 2020/01/08 06:15:24 fuzzer started 2020/01/08 06:15:25 dialing manager at 10.128.0.26:35703 2020/01/08 06:15:25 syscalls: 2824 2020/01/08 06:15:25 code coverage: enabled 2020/01/08 06:15:25 comparison tracing: enabled 2020/01/08 06:15:25 extra coverage: enabled 2020/01/08 06:15:25 setuid sandbox: enabled 2020/01/08 06:15:25 namespace sandbox: enabled 2020/01/08 06:15:25 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:15:25 fault injection: enabled 2020/01/08 06:15:25 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:15:25 net packet injection: enabled 2020/01/08 06:15:25 net device setup: enabled 2020/01/08 06:15:25 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:15:25 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:15:26 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000140)={0x26, 'rng\x00', 0x0, 0x0, 'drbg_nopr_sha384\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000000)="cc", 0x1) 06:15:26 executing program 1: r0 = socket$inet6(0xa, 0x803, 0x2) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000340)={{{@in=@loopback, @in=@broadcast, 0x0, 0x0, 0x0, 0x0, 0xa}}, {{@in6=@empty, 0x0, 0x3c}, 0x0, @in=@empty}}, 0x14b) syzkaller login: [ 67.317988][ T8521] IPVS: ftp: loaded support on port[0] = 21 [ 67.491288][ T8521] chnl_net:caif_netlink_parms(): no params data found 06:15:26 executing program 2: r0 = syz_open_dev$video(&(0x7f0000000100)='/dev/video#\x00', 0x3, 0x0) ioctl$VIDIOC_S_FMT(r0, 0xc0d05605, &(0x7f00000001c0)={0x1, @pix={0x0, 0x0, 0x4f565559}}) [ 67.582395][ T8524] IPVS: ftp: loaded support on port[0] = 21 [ 67.591048][ T8521] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.628081][ T8521] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.636160][ T8521] device bridge_slave_0 entered promiscuous mode [ 67.673532][ T8521] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.680947][ T8521] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.697956][ T8521] device bridge_slave_1 entered promiscuous mode [ 67.731723][ T8526] IPVS: ftp: loaded support on port[0] = 21 [ 67.745701][ T8521] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.781295][ T8521] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 06:15:27 executing program 3: unshare(0x400) r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x0) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x5207, 0x0) [ 67.832934][ T8521] team0: Port device team_slave_0 added [ 67.886418][ T8521] team0: Port device team_slave_1 added [ 67.910306][ T8524] chnl_net:caif_netlink_parms(): no params data found [ 68.022436][ T8530] IPVS: ftp: loaded support on port[0] = 21 06:15:27 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xa) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x28, 0x12, @veth={{0xc, 0x1, 'veth\x00'}, {0x18}}}]}, 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000280)=ANY=[@ANYBLOB="480000002400070500"/20, @ANYRES32=r4, @ANYBLOB="00000400f1ffffff0000000008000100687462001c00020018000200030000000001000000000000ca912908addfb8f80800000000000000ce204b70"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000004c0)=ANY=[@ANYBLOB="340000002a00070500"/20, @ANYRES32=r4, @ANYBLOB="0000f6ff00005fff8000"/28], 0x34}}, 0x0) [ 68.089845][ T8521] device hsr_slave_0 entered promiscuous mode [ 68.139187][ T8521] device hsr_slave_1 entered promiscuous mode [ 68.225015][ T8524] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.247914][ T8524] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.267634][ T8524] device bridge_slave_0 entered promiscuous mode [ 68.301660][ T8524] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.318762][ T8524] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.327853][ T8524] device bridge_slave_1 entered promiscuous mode 06:15:27 executing program 5: getpid() 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, 0x0, 0x0, 0x0, 0x0, 0x53}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000200)='/dev/sg#\x00', 0x0, 0x163882) ioctl$SCSI_IOCTL_START_UNIT(r0, 0x5) r1 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f00000004c0)={0x0, 0x29800, 0x8404, 0x0, [], [{0x801}, {0x801, 0x0, 0x80000001}]}) ioctl$KVM_SET_XCRS(r2, 0x4188aea7, &(0x7f0000000080)={0xa, 0x7, [{0x40, 0x0, 0xfffffffffffffe00}, {0x100, 0x0, 0x5}, {0x2, 0x0, 0x3f}, {0xd1c}, {0xdb0, 0x0, 0x81}, {0x5c9fd14a, 0x0, 0xf7a7}, {0x7f, 0x0, 0x2}, {0x7ff, 0x0, 0x6}, {0xfff, 0x0, 0x7fffffff}, {0x0, 0x0, 0xbe46}]}) setsockopt$inet_tcp_buf(0xffffffffffffffff, 0x6, 0x1a, 0x0, 0x0) prctl$PR_CAPBSET_DROP(0x18, 0x4) ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) [ 68.351532][ T8526] chnl_net:caif_netlink_parms(): no params data found [ 68.375109][ T8532] IPVS: ftp: loaded support on port[0] = 21 [ 68.429900][ T8524] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.483307][ T8524] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.564770][ T8526] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.574129][ T8526] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.582049][ T8526] device bridge_slave_0 entered promiscuous mode [ 68.591039][ T8524] team0: Port device team_slave_0 added [ 68.596857][ T8526] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.603996][ T8526] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.612251][ T8526] device bridge_slave_1 entered promiscuous mode [ 68.627543][ T8521] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.629240][ T8534] IPVS: ftp: loaded support on port[0] = 21 [ 68.689661][ T8524] team0: Port device team_slave_1 added [ 68.695369][ T8521] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.807712][ T8521] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.860978][ T8521] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.930014][ T8526] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.944939][ T8526] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.975019][ T8526] team0: Port device team_slave_0 added [ 68.984532][ T8530] chnl_net:caif_netlink_parms(): no params data found [ 69.039240][ T8524] device hsr_slave_0 entered promiscuous mode [ 69.077475][ T8524] device hsr_slave_1 entered promiscuous mode [ 69.127244][ T8524] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.134997][ T8524] Cannot create hsr debugfs directory [ 69.155529][ T8526] team0: Port device team_slave_1 added [ 69.250906][ T8526] device hsr_slave_0 entered promiscuous mode [ 69.307908][ T8526] device hsr_slave_1 entered promiscuous mode [ 69.347246][ T8526] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.354913][ T8526] Cannot create hsr debugfs directory [ 69.451426][ T8530] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.458859][ T8530] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.466481][ T8530] device bridge_slave_0 entered promiscuous mode [ 69.475824][ T8530] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.483868][ T8530] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.491721][ T8530] device bridge_slave_1 entered promiscuous mode [ 69.544310][ T8524] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 69.591935][ T8532] chnl_net:caif_netlink_parms(): no params data found [ 69.616699][ T8530] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.628137][ T8530] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.641348][ T8524] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 69.699074][ T8524] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.783675][ T8524] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.859071][ T8530] team0: Port device team_slave_0 added [ 69.880364][ T8534] chnl_net:caif_netlink_parms(): no params data found [ 69.898645][ T8530] team0: Port device team_slave_1 added [ 69.934922][ T8526] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.960558][ T8526] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 70.019582][ T8532] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.026755][ T8532] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.034564][ T8532] device bridge_slave_0 entered promiscuous mode [ 70.049337][ T8532] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.056456][ T8532] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.065185][ T8532] device bridge_slave_1 entered promiscuous mode [ 70.086826][ T8526] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 70.134454][ T8526] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.230162][ T8530] device hsr_slave_0 entered promiscuous mode [ 70.297442][ T8530] device hsr_slave_1 entered promiscuous mode [ 70.347238][ T8530] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.354822][ T8530] Cannot create hsr debugfs directory [ 70.362153][ T8532] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.382170][ T8534] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.389442][ T8534] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.397565][ T8534] device bridge_slave_0 entered promiscuous mode [ 70.422254][ T8532] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.442366][ T8532] team0: Port device team_slave_0 added [ 70.455646][ T8534] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.463511][ T8534] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.471313][ T8534] device bridge_slave_1 entered promiscuous mode [ 70.491577][ T8532] team0: Port device team_slave_1 added [ 70.511369][ T8534] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.542641][ T8534] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.565534][ T8534] team0: Port device team_slave_0 added [ 70.574852][ T8534] team0: Port device team_slave_1 added [ 70.649308][ T8532] device hsr_slave_0 entered promiscuous mode [ 70.707408][ T8532] device hsr_slave_1 entered promiscuous mode [ 70.747238][ T8532] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.754821][ T8532] Cannot create hsr debugfs directory [ 70.766814][ T8521] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.775623][ T8530] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.819605][ T8530] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.919894][ T8534] device hsr_slave_0 entered promiscuous mode [ 70.958835][ T8534] device hsr_slave_1 entered promiscuous mode [ 71.007238][ T8534] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.007270][ T8534] Cannot create hsr debugfs directory [ 71.014397][ T8521] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.031680][ T8530] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 71.072685][ T8530] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.125628][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.137379][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.160915][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.171003][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.181587][ T2867] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.188805][ T2867] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.197954][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.214132][ T8524] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.249565][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.258802][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.268975][ T2906] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.276018][ T2906] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.283692][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.293142][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.301674][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.310344][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.343539][ T8524] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.356848][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.364963][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.373774][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.382285][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.390686][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.398469][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.407002][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.434785][ T8526] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.485307][ T8526] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.499930][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.513171][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.521741][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.530694][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.539363][ T2738] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.546393][ T2738] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.554195][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.562846][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.571702][ T8521] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.588633][ T8534] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.629249][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.639866][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.648673][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.656908][ T2905] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.664040][ T2905] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.672292][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.681273][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.689860][ T2905] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.697253][ T2905] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.706524][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.728971][ T8534] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 71.779480][ T8534] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 71.826785][ T8534] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 71.889551][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.898194][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.908396][ T2864] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.915594][ T2864] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.923375][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.966561][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.975890][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.984175][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.992668][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.001685][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.010771][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.019561][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.028245][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.036577][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.048344][ T8532] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 72.112691][ T8532] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 72.178917][ T8532] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 72.217342][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.225277][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.234085][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.242603][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.251729][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.260258][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.268870][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.277186][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.286626][ T8521] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.296180][ T8532] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.330476][ T8530] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.353385][ T8524] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.364214][ T8524] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.377883][ T8526] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.394475][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.402968][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.411508][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.420297][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.429433][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.438094][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.446239][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.504094][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.512144][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.520096][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.528300][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.535897][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.543567][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.552708][ T8530] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.566046][ T8524] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.582260][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.592422][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.604892][ T8526] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.636192][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.645588][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.654171][ T2906] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.661267][ T2906] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.669813][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.678565][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.686868][ T2906] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.693983][ T2906] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.701719][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.710732][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.746669][ T8534] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.754137][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.764056][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.773045][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.783310][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.807555][ T8521] device veth0_vlan entered promiscuous mode [ 72.815003][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.825238][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.833810][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.842740][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.851164][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.859400][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.869118][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.876770][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.903251][ T8534] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.913318][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.922562][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.932153][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.941473][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.951878][ T8521] device veth1_vlan entered promiscuous mode [ 72.966998][ T8530] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.989566][ T8532] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.018311][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.026886][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.048708][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.057035][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.072304][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.081266][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.089717][ T2864] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.096742][ T2864] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.104375][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.112997][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.121420][ T2864] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.129506][ T2864] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.139392][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.164014][ T8524] device veth0_vlan entered promiscuous mode [ 73.172926][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.184510][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.194335][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.204166][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.213369][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.221848][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.231003][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.238864][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.246448][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.254306][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.263889][ T8526] device veth0_vlan entered promiscuous mode [ 73.291074][ T8524] device veth1_vlan entered promiscuous mode [ 73.308224][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.316289][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.329993][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.338820][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.346465][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.355248][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.364639][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.374133][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.383272][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.392202][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.406524][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.415325][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.426531][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.441308][ T8534] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.462478][ T8532] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.524316][ T8532] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.539120][ T8532] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 178.377058][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 178.383836][ C1] rcu: 1-...!: (1 GPs behind) idle=572/1/0x4000000000000002 softirq=14321/14322 fqs=8 [ 178.393893][ C1] (t=10501 jiffies g=6753 q=376) [ 178.398911][ C1] rcu: rcu_preempt kthread starved for 10484 jiffies! g6753 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 178.409996][ C1] rcu: RCU grace-period kthread stack dump: [ 178.415874][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 178.423858][ C1] Call Trace: [ 178.427170][ C1] __schedule+0x9a0/0xcc0 [ 178.432019][ C1] schedule+0x181/0x210 [ 178.436176][ C1] schedule_timeout+0x14f/0x240 [ 178.441018][ C1] ? run_local_timers+0x120/0x120 [ 178.446039][ C1] rcu_gp_kthread+0xed8/0x1770 [ 178.450808][ C1] kthread+0x332/0x350 [ 178.454862][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 178.460667][ C1] ? kthread_blkcg+0xe0/0xe0 [ 178.465247][ C1] ret_from_fork+0x24/0x30 [ 178.469667][ C1] NMI backtrace for cpu 1 [ 178.473986][ C1] CPU: 1 PID: 8521 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 178.482555][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.492613][ C1] Call Trace: [ 178.495884][ C1] [ 178.498728][ C1] dump_stack+0x1fb/0x318 [ 178.503051][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 178.507889][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 178.514052][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 178.520108][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 178.526096][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 178.531995][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 178.537121][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 178.542318][ C1] ? trace_hardirqs_off+0x74/0x80 [ 178.547340][ C1] update_process_times+0x12d/0x180 [ 178.552534][ C1] tick_sched_timer+0x263/0x420 [ 178.557396][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 178.563978][ C1] __hrtimer_run_queues+0x403/0x840 [ 178.569182][ C1] hrtimer_interrupt+0x38c/0xda0 [ 178.574126][ C1] ? debug_smp_processor_id+0x9/0x20 [ 178.579405][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 178.584939][ C1] apic_timer_interrupt+0xf/0x20 [ 178.590468][ C1] [ 178.593397][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 178.599451][ C1] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 f4 ed 07 48 89 de e8 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 [ 178.619042][ C1] RSP: 0018:ffffc90001ed7b98 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 178.627440][ C1] RAX: 1ffffd400049006f RBX: 0000000000000000 RCX: ffff88807db58540 [ 178.635397][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002480340 [ 178.643558][ C1] RBP: ffffc90001ed7bc0 R08: 000000000003a728 R09: ffffed10136f7681 [ 178.651535][ C1] R10: ffffed10136f7681 R11: 0000000000000000 R12: dffffc0000000000 [ 178.659495][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88809b7bb3f8 [ 178.667474][ C1] ? free_thread_stack+0x124/0x590 [ 178.672579][ C1] ? mod_memcg_page_state+0x123/0x190 [ 178.677939][ C1] free_thread_stack+0x168/0x590 [ 178.682868][ C1] put_task_stack+0xa3/0x130 [ 178.687448][ C1] finish_task_switch+0x3f1/0x550 [ 178.694724][ C1] __schedule+0x9a8/0xcc0 [ 178.699054][ C1] schedule+0x181/0x210 [ 178.704105][ C1] do_nanosleep+0x1d0/0x6c0 [ 178.708609][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 178.713543][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 178.719342][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 178.724463][ C1] do_syscall_64+0xf7/0x1c0 [ 178.728963][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 178.734845][ C1] RIP: 0033:0x4593f0 [ 178.738742][ C1] 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 [ 178.758450][ C1] RSP: 002b:00007fffe5189fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 178.766855][ C1] RAX: ffffffffffffffda RBX: 0000000000011e5d RCX: 00000000004593f0 [ 178.774815][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fffe5189fb0 [ 178.782779][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000001ee2940 [ 178.790738][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 178.798704][ C1] R13: 00007fffe518a000 R14: 0000000000011e5d R15: 00007fffe518a010