[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.415838][ T23] audit: type=1800 audit(1578484914.952:25): pid=8366 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.460760][ T23] audit: type=1800 audit(1578484914.952:26): pid=8366 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.505701][ T23] audit: type=1800 audit(1578484914.952:27): pid=8366 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 '10.128.1.23' (ECDSA) to the list of known hosts. 2020/01/08 12:02:07 fuzzer started 2020/01/08 12:02:09 dialing manager at 10.128.0.26:35703 2020/01/08 12:02:09 syscalls: 2824 2020/01/08 12:02:09 code coverage: enabled 2020/01/08 12:02:09 comparison tracing: enabled 2020/01/08 12:02:09 extra coverage: enabled 2020/01/08 12:02:09 setuid sandbox: enabled 2020/01/08 12:02:09 namespace sandbox: enabled 2020/01/08 12:02:09 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 12:02:09 fault injection: enabled 2020/01/08 12:02:09 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 12:02:09 net packet injection: enabled 2020/01/08 12:02:09 net device setup: enabled 2020/01/08 12:02:09 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 12:02:09 devlink PCI setup: PCI device 0000:00:10.0 is not available 12:02:10 executing program 0: openat$random(0xffffffffffffff9c, 0x0, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000280)={0x0, 0x1ff}, 0x0) sched_setattr(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$llc(0x1a, 0x2, 0x0) r1 = syz_open_dev$swradio(&(0x7f0000000140)='/dev/swradio#\x00', 0x1, 0x2) ioctl$NBD_SET_TIMEOUT(r1, 0xab09, 0x0) setsockopt$sock_int(r0, 0x1, 0x3e, &(0x7f0000000280)=0x8, 0x4) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) keyctl$get_persistent(0x16, 0x0, 0x0) bind$llc(r0, &(0x7f0000000040)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x10) keyctl$get_keyring_id(0x0, 0x0, 0x7) sendmmsg(r0, &(0x7f0000001380), 0x3fffffffffffeed, 0x0) r2 = memfd_create(0x0, 0x0) fcntl$dupfd(0xffffffffffffffff, 0x0, r2) openat$tun(0xffffffffffffff9c, &(0x7f0000000100)='/dev/net/tun\x00', 0x0, 0x0) openat$full(0xffffffffffffff9c, 0x0, 0x0, 0x0) sendmsg$IPVS_CMD_NEW_DAEMON(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}}, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x1b, 0x0, 0x0) getpgrp(0xffffffffffffffff) 12:02:11 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) rt_sigaction(0x7, 0x0, 0x0, 0x8, &(0x7f00000000c0)) syzkaller login: [ 67.498964][ T8530] IPVS: ftp: loaded support on port[0] = 21 12:02:11 executing program 2: unshare(0x20400) r0 = syz_open_dev$dri(&(0x7f0000000000)='/dev/dri/card#\x00', 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, &(0x7f0000000080)={0xa925, 0x1d, 0x0, 0xffffffffffffffff}) r3 = dup(r2) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r3}) ioctl$DMA_BUF_IOCTL_SYNC(r3, 0x40086200, &(0x7f0000000000)=0x5) [ 67.674791][ T8530] chnl_net:caif_netlink_parms(): no params data found [ 67.752179][ T8530] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.764917][ T8533] IPVS: ftp: loaded support on port[0] = 21 [ 67.772501][ T8530] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.787635][ T8530] device bridge_slave_0 entered promiscuous mode [ 67.810556][ T8530] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.819870][ T8530] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.828358][ T8530] device bridge_slave_1 entered promiscuous mode [ 67.903590][ T8530] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.917329][ T8530] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.932205][ T8535] IPVS: ftp: loaded support on port[0] = 21 [ 68.002309][ T8530] team0: Port device team_slave_0 added [ 68.014627][ T8530] team0: Port device team_slave_1 added 12:02:11 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) ioctl$sock_inet_SIOCGIFNETMASK(r0, 0x891b, &(0x7f0000000080)={'lo\x00', {0x2, 0x0, @loopback}}) [ 68.048868][ T8533] chnl_net:caif_netlink_parms(): no params data found [ 68.123409][ T8530] device hsr_slave_0 entered promiscuous mode [ 68.161010][ T8530] device hsr_slave_1 entered promiscuous mode [ 68.255746][ T8538] IPVS: ftp: loaded support on port[0] = 21 [ 68.255813][ T8533] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.270729][ T8533] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.278632][ T8533] device bridge_slave_0 entered promiscuous mode [ 68.303736][ T8533] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.311146][ T8533] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.319081][ T8533] device bridge_slave_1 entered promiscuous mode 12:02:11 executing program 4: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = add_key$keyring(&(0x7f0000000380)='keyring\x00', &(0x7f00000003c0)={'syz'}, 0x0, 0x0, 0xfffffffffffffffe) r1 = add_key$user(&(0x7f0000000140)='user\x00', &(0x7f00000000c0)={'syz'}, &(0x7f0000000240)="585ccbc4ed83b836c1a647cffb1f6bb749a80afc9ca94914dc5500b66147b3c7218a91690000000042e3d35228897501f93191b076ac446ff0022b8753a1fa74ff569f435fb3bae96efb74b50cc93c2db8eae3198a29e5c0cfc60000ce0637cef580b4ec24c53d86571ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff33c1e8e036e5031949762d009d308bd73f477252d000000000000400000000000000000", 0xc0, r0) r2 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f0000000340)={'syz', 0x1}, &(0x7f0000000100)='\x00', 0x90, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000000)={r2, r1, r2}, 0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000580)={'poly1305-simd\x00\x00\x00\x00\x00\x0f\x00@\x00\x00\x00\x00\x02\x00\x00\x00\x0f\x00@\x00\x00\x97\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00'}}) [ 68.355837][ T8533] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.371436][ T8533] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.455804][ T8533] team0: Port device team_slave_0 added [ 68.496588][ T8533] team0: Port device team_slave_1 added [ 68.542647][ T8530] netdevsim netdevsim0 netdevsim0: renamed from eth0 12:02:12 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000340)=@newlink={0x40, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, @erspan={{0xc, 0x1, 'erspan\x00'}, {0x10, 0x2, [@gre_common_policy=[@IFLA_GRE_COLLECT_METADATA={0x4}], @gre_common_policy=[@IFLA_GRE_IFLAGS={0x8, 0x4}]]}}}]}, 0x40}}, 0x0) [ 68.612141][ T8535] chnl_net:caif_netlink_parms(): no params data found [ 68.663234][ T8533] device hsr_slave_0 entered promiscuous mode [ 68.701061][ T8533] device hsr_slave_1 entered promiscuous mode [ 68.740849][ T8533] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.748609][ T8533] Cannot create hsr debugfs directory [ 68.767256][ T8530] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.767437][ T8541] IPVS: ftp: loaded support on port[0] = 21 [ 68.848675][ T8530] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.858042][ T8544] IPVS: ftp: loaded support on port[0] = 21 [ 68.894080][ T8530] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.028509][ T8538] chnl_net:caif_netlink_parms(): no params data found [ 69.055584][ T8535] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.063543][ T8535] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.072449][ T8535] device bridge_slave_0 entered promiscuous mode [ 69.082248][ T8535] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.089306][ T8535] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.097848][ T8535] device bridge_slave_1 entered promiscuous mode [ 69.140239][ T8535] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.162726][ T8535] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.206182][ T8535] team0: Port device team_slave_0 added [ 69.214529][ T8535] team0: Port device team_slave_1 added [ 69.222071][ T8538] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.229112][ T8538] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.237079][ T8538] device bridge_slave_0 entered promiscuous mode [ 69.246879][ T8538] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.254030][ T8538] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.262557][ T8538] device bridge_slave_1 entered promiscuous mode [ 69.324015][ T8535] device hsr_slave_0 entered promiscuous mode [ 69.381098][ T8535] device hsr_slave_1 entered promiscuous mode [ 69.430780][ T8535] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.438382][ T8535] Cannot create hsr debugfs directory [ 69.464862][ T8538] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.478321][ T8538] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.494488][ T8533] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 69.598021][ T8533] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 69.623847][ T8533] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.685591][ T8533] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.758635][ T8538] team0: Port device team_slave_0 added [ 69.782730][ T8530] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.825761][ T8538] team0: Port device team_slave_1 added [ 69.882828][ T8541] chnl_net:caif_netlink_parms(): no params data found [ 69.901685][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.909790][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.933409][ T8530] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.004349][ T8538] device hsr_slave_0 entered promiscuous mode [ 70.041047][ T8538] device hsr_slave_1 entered promiscuous mode [ 70.080908][ T8538] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.088509][ T8538] Cannot create hsr debugfs directory [ 70.095702][ T8544] chnl_net:caif_netlink_parms(): no params data found [ 70.124333][ T8535] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 70.183555][ T8535] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 70.222989][ T8535] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 70.278078][ T8535] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.342992][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.351785][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.361961][ T3060] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.369128][ T3060] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.396472][ T8544] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.405001][ T8544] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.413182][ T8544] device bridge_slave_0 entered promiscuous mode [ 70.423511][ T8544] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.430557][ T8544] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.438709][ T8544] device bridge_slave_1 entered promiscuous mode [ 70.445940][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.454442][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.462990][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.471891][ T3060] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.478919][ T3060] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.487193][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.496568][ T8541] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.503866][ T8541] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.511812][ T8541] device bridge_slave_0 entered promiscuous mode [ 70.547350][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.556115][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.565411][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.573811][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.582449][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.591677][ T8541] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.598732][ T8541] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.607392][ T8541] device bridge_slave_1 entered promiscuous mode [ 70.628248][ T8541] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.659352][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.667792][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.676155][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.697758][ T8533] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.706591][ T8541] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.723917][ T8544] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.750234][ T8533] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.775387][ T8544] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.792503][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.800936][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.809094][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.817036][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.827367][ T8530] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.842200][ T8541] team0: Port device team_slave_0 added [ 70.857851][ T8541] team0: Port device team_slave_1 added [ 70.867066][ T8544] team0: Port device team_slave_0 added [ 70.878005][ T8544] team0: Port device team_slave_1 added [ 70.912039][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.920910][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.929177][ T2867] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.936262][ T2867] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.958672][ T8535] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.973609][ T8538] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 71.003167][ T8538] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 71.072971][ T8541] device hsr_slave_0 entered promiscuous mode [ 71.111165][ T8541] device hsr_slave_1 entered promiscuous mode [ 71.171182][ T8541] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.178801][ T8541] Cannot create hsr debugfs directory [ 71.192478][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.200319][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.208885][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.217612][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.224694][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.283785][ T8544] device hsr_slave_0 entered promiscuous mode [ 71.341034][ T8544] device hsr_slave_1 entered promiscuous mode [ 71.380765][ T8544] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.388398][ T8544] Cannot create hsr debugfs directory [ 71.394931][ T8538] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 71.446794][ T8538] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.507194][ T8535] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.517189][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.524811][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.532627][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.540373][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.551015][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.626268][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.635583][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.644563][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.653976][ T3060] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.661079][ T3060] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.669070][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.678061][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.686571][ T3060] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.693628][ T3060] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.701831][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.710224][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.718784][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.727250][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.735690][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.744457][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.752999][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.761512][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.770442][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.778394][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.788918][ T8530] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.807304][ T8535] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.821984][ T8535] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.862396][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.871460][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.879616][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.889307][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.898296][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.906979][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.916074][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.932891][ T8544] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 72.000064][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.009216][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.017741][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.026833][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.039186][ T8544] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 72.089893][ T8533] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.102570][ T8533] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.123360][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.132013][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.157004][ T8535] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.164388][ T8544] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 72.213167][ T8544] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 72.284111][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.292363][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.305476][ T8530] device veth0_vlan entered promiscuous mode [ 72.321676][ T8541] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 72.352083][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.360265][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.372388][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.379799][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.395693][ T8530] device veth1_vlan entered promiscuous mode [ 72.406252][ T8533] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.413687][ T8541] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 72.452674][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.461978][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.469765][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.494978][ T8541] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 72.529136][ T8541] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.593117][ T8538] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.600201][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.609232][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.619034][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.661147][ T8535] device veth0_vlan entered promiscuous mode [ 72.669321][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.679166][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.688942][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.697924][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.708182][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.716349][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.737894][ T8538] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.759705][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.767753][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.786463][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.796065][ T2807] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.805189][ T2807] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.812310][ T2807] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.836642][ T8533] device veth0_vlan entered promiscuous mode [ 72.857510][ T8533] device veth1_vlan entered promiscuous mode [ 72.912683][ T8535] device veth1_vlan entered promiscuous mode [ 72.955402][ T8538] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.971206][ T8538] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.013619][ T8538] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.150581][ T8541] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.186686][ T8541] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.280317][ T8541] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.296783][ T8541] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.334517][ T8541] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 177.820642][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 177.827530][ C0] rcu: 0-...!: (10499 ticks this GP) idle=1b6/1/0x4000000000000002 softirq=13818/13818 fqs=24 [ 177.838116][ C0] (t=10500 jiffies g=6653 q=985) [ 177.843136][ C0] rcu: rcu_preempt kthread starved for 10448 jiffies! g6653 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 177.855437][ C0] rcu: RCU grace-period kthread stack dump: [ 177.861312][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 177.869202][ C0] Call Trace: [ 177.872514][ C0] __schedule+0x9a0/0xcc0 [ 177.876842][ C0] schedule+0x181/0x210 [ 177.880988][ C0] schedule_timeout+0x14f/0x240 [ 177.885824][ C0] ? run_local_timers+0x120/0x120 [ 177.890839][ C0] rcu_gp_kthread+0xed8/0x1770 [ 177.895602][ C0] kthread+0x332/0x350 [ 177.899655][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 177.904752][ C0] ? kthread_blkcg+0xe0/0xe0 [ 177.909332][ C0] ret_from_fork+0x24/0x30 [ 177.913745][ C0] NMI backtrace for cpu 0 [ 177.918065][ C0] CPU: 0 PID: 8530 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 177.926642][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.936694][ C0] Call Trace: [ 177.939964][ C0] [ 177.942825][ C0] dump_stack+0x1fb/0x318 [ 177.947154][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 177.951992][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 177.958137][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 177.964195][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 177.970164][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 177.976042][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 177.981148][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 177.986335][ C0] ? trace_hardirqs_off+0x74/0x80 [ 177.991348][ C0] update_process_times+0x12d/0x180 [ 177.996548][ C0] tick_sched_timer+0x263/0x420 [ 178.001421][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 178.007072][ C0] __hrtimer_run_queues+0x403/0x840 [ 178.012286][ C0] hrtimer_interrupt+0x38c/0xda0 [ 178.017283][ C0] ? debug_smp_processor_id+0x9/0x20 [ 178.022574][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 178.028117][ C0] apic_timer_interrupt+0xf/0x20 [ 178.033039][ C0] [ 178.035987][ C0] RIP: 0010:free_thread_stack+0x186/0x590 [ 178.041701][ C0] Code: 8b 3b be fc ff 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 [ 178.061302][ C0] RSP: 0018:ffffc90001ec7bd0 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 [ 178.069740][ C0] RAX: 1ffff110145a3281 RBX: ffff8880a2d19408 RCX: ffff88807d4162c0 [ 178.077718][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00022e0400 [ 178.085693][ C0] RBP: ffffc90001ec7c08 R08: 000000000003a728 R09: ffffed1012519309 [ 178.094137][ C0] R10: ffffed1012519309 R11: 0000000000000000 R12: ffff8880a2d194a0 [ 178.102101][ C0] R13: dffffc0000000000 R14: 1ffff110145a3294 R15: ffff8880928c9838 [ 178.110090][ C0] put_task_stack+0xa3/0x130 [ 178.114677][ C0] finish_task_switch+0x3f1/0x550 [ 178.119699][ C0] __schedule+0x9a8/0xcc0 [ 178.124030][ C0] schedule+0x181/0x210 [ 178.128180][ C0] do_nanosleep+0x1d0/0x6c0 [ 178.132695][ C0] hrtimer_nanosleep+0x3a6/0x5b0 [ 178.137638][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 178.143434][ C0] __x64_sys_nanosleep+0x186/0x1d0 [ 178.148656][ C0] do_syscall_64+0xf7/0x1c0 [ 178.153191][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 178.159078][ C0] RIP: 0033:0x4593f0 [ 178.162998][ 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 [ 178.182599][ C0] RSP: 002b:00007ffec0d68cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 178.191017][ C0] RAX: ffffffffffffffda RBX: 0000000000011c5a RCX: 00000000004593f0 [ 178.199435][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffec0d68cd0 [ 178.207398][ C0] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000fb4940 [ 178.215358][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 178.223317][ C0] R13: 00007ffec0d68d20 R14: 0000000000011c44 R15: 00007ffec0d68d30