[ 48.632771][ T27] audit: type=1800 audit(1578478976.718:25): pid=8297 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.651997][ T27] audit: type=1800 audit(1578478976.718:26): pid=8297 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.686082][ T27] audit: type=1800 audit(1578478976.728:27): pid=8297 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 48.760629][ T27] audit: type=1800 audit(1578478976.728:28): pid=8297 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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 '10.128.0.57' (ECDSA) to the list of known hosts. 2020/01/08 10:23:08 fuzzer started 2020/01/08 10:23:09 dialing manager at 10.128.0.26:35703 2020/01/08 10:23:09 syscalls: 2824 2020/01/08 10:23:09 code coverage: enabled 2020/01/08 10:23:09 comparison tracing: enabled 2020/01/08 10:23:09 extra coverage: enabled 2020/01/08 10:23:09 setuid sandbox: enabled 2020/01/08 10:23:09 namespace sandbox: enabled 2020/01/08 10:23:09 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 10:23:09 fault injection: enabled 2020/01/08 10:23:09 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 10:23:09 net packet injection: enabled 2020/01/08 10:23:09 net device setup: enabled 2020/01/08 10:23:09 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 10:23:09 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:23:10 executing program 0: setxattr$trusted_overlay_redirect(0x0, &(0x7f0000000040)='trusted.overlay.redirect\x00', &(0x7f0000000080)='./file0\x00', 0x8, 0x0) socket$inet6(0xa, 0x0, 0x0) syz_open_procfs(0x0, 0x0) open(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41be, 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, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x0) r0 = add_key$keyring(&(0x7f0000000200)='keyring\x00', &(0x7f00000000c0)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffe) keyctl$chown(0x4, r0, 0xee00, 0x0) perf_event_open(&(0x7f0000000440)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$RTC_WKALM_SET(0xffffffffffffffff, 0x4028700f, &(0x7f0000000080)={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xb}}) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x0, &(0x7f0000000040)=0x2000000000000074, 0x4) bind$inet(0xffffffffffffffff, 0x0, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') sendfile(0xffffffffffffffff, r1, 0x0, 0xedc0) 10:23:10 executing program 1: ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) memfd_create(&(0x7f0000000300)='\x00\xb3y\xb1\xc4\xc5)\xa3\xc6\x9cjuu\xa1\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00', 0x0) syz_open_dev$sndseq(&(0x7f0000000680)='/dev/snd/seq\x00', 0x0, 0x28b41) write$P9_RLINK(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$video(&(0x7f0000000080)='/dev/video#\x00', 0xd, 0x0) ioctl$VIDIOC_S_INPUT(r0, 0xc0045627, &(0x7f00000000c0)) ioctl$VIDIOC_S_INPUT(r0, 0xc0045627, &(0x7f0000000040)=0x3) socket(0x10, 0x3, 0x0) openat$audio(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='memory.events\x00', 0x7a05, 0x1700) write$binfmt_misc(0xffffffffffffffff, 0x0, 0x0) syz_open_dev$sndseq(0x0, 0x0, 0x0) dup2(0xffffffffffffffff, 0xffffffffffffffff) syzkaller login: [ 62.897059][ T8462] IPVS: ftp: loaded support on port[0] = 21 [ 63.068126][ T8462] chnl_net:caif_netlink_parms(): no params data found [ 63.080914][ T8464] IPVS: ftp: loaded support on port[0] = 21 10:23:11 executing program 2: prctl$PR_GET_TID_ADDRESS(0x28, &(0x7f0000000100)) r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0) ioctl$TIOCSIG(0xffffffffffffffff, 0x40045436, 0x31) getpid() perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 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, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x1000000000, 0x6}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000000)={0x3, 0x70, 0x0, 0x6, 0x5, 0x9, 0x0, 0x5, 0x0, 0x6, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x2009, 0x2, @perf_config_ext={0x6f9}, 0x11201, 0x8, 0x1c, 0x9, 0x0, 0x1000, 0x3f}, 0x0, 0x1, r0, 0x2) mkdir(&(0x7f0000639000)='./file0\x00', 0x0) mount(0x0, &(0x7f0000db0ff8)='./file0\x00', &(0x7f0000000800)='configfs\x00', 0x0, 0x0) r1 = open(&(0x7f000054eff8)='./file0\x00', 0x0, 0x0) getdents(r1, &(0x7f0000077000)=""/122, 0x18c) [ 63.160649][ T8462] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.167740][ T8462] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.179158][ T8462] device bridge_slave_0 entered promiscuous mode [ 63.200001][ T8462] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.207151][ T8462] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.216303][ T8462] device bridge_slave_1 entered promiscuous mode [ 63.301659][ T8462] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.326950][ T8462] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.352472][ T8464] chnl_net:caif_netlink_parms(): no params data found [ 63.362400][ T8468] IPVS: ftp: loaded support on port[0] = 21 [ 63.390537][ T8462] team0: Port device team_slave_0 added [ 63.416598][ T8462] team0: Port device team_slave_1 added [ 63.472065][ T8464] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.479690][ T8464] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.487395][ T8464] device bridge_slave_0 entered promiscuous mode 10:23:11 executing program 3: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r2, 0x29, 0x20, &(0x7f0000000080)={@remote, 0x0, 0x0, 0xff, 0x1}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r2, 0x29, 0x20, &(0x7f0000000100)={@mcast1, 0x0, 0x0, 0x2, 0x1}, 0x20) r3 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r3, 0x29, 0x20, &(0x7f0000000100)={@mcast2, 0x800, 0x0, 0xff, 0x1}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r2, 0x29, 0x20, &(0x7f0000000100)={@mcast2, 0x800, 0x2}, 0x20) [ 63.561156][ T8462] device hsr_slave_0 entered promiscuous mode [ 63.599258][ T8462] device hsr_slave_1 entered promiscuous mode [ 63.647464][ T8464] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.660308][ T8464] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.668712][ T8464] device bridge_slave_1 entered promiscuous mode 10:23:11 executing program 4: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)={0x0, 0x0, 0x5c}) ptrace$cont(0xffffffffffffffff, 0x0, 0x0, 0x0) [ 63.701745][ T8470] IPVS: ftp: loaded support on port[0] = 21 [ 63.782744][ T8464] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.811591][ T8464] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.862962][ T8468] chnl_net:caif_netlink_parms(): no params data found [ 63.953463][ T8464] team0: Port device team_slave_0 added [ 63.965896][ T8473] IPVS: ftp: loaded support on port[0] = 21 [ 63.987292][ T8464] team0: Port device team_slave_1 added 10:23:12 executing program 5: r0 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl(r0, 0xfffffbff7ff3ffae, &(0x7f0000000040)) [ 64.052402][ T8462] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.110204][ T8468] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.117283][ T8468] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.127524][ T8468] device bridge_slave_0 entered promiscuous mode [ 64.190788][ T8464] device hsr_slave_0 entered promiscuous mode [ 64.219061][ T8464] device hsr_slave_1 entered promiscuous mode [ 64.268703][ T8464] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.276448][ T8464] Cannot create hsr debugfs directory [ 64.296671][ T8462] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.352216][ T8462] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.410994][ T8468] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.418170][ T8468] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.425863][ T8468] device bridge_slave_1 entered promiscuous mode [ 64.455483][ T8462] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.505154][ T8468] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.525913][ T8470] chnl_net:caif_netlink_parms(): no params data found [ 64.542108][ T8476] IPVS: ftp: loaded support on port[0] = 21 [ 64.549326][ T8468] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.617761][ T8468] team0: Port device team_slave_0 added [ 64.641503][ T8470] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.648719][ T8470] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.656624][ T8470] device bridge_slave_0 entered promiscuous mode [ 64.665984][ T8470] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.673708][ T8470] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.681636][ T8470] device bridge_slave_1 entered promiscuous mode [ 64.692218][ T8468] team0: Port device team_slave_1 added [ 64.791288][ T8468] device hsr_slave_0 entered promiscuous mode [ 64.828869][ T8468] device hsr_slave_1 entered promiscuous mode [ 64.868618][ T8468] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.876194][ T8468] Cannot create hsr debugfs directory [ 64.903127][ T8470] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.913364][ T8464] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.976557][ T8464] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.030559][ T8464] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.071031][ T8464] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.128764][ T8470] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.171058][ T8470] team0: Port device team_slave_0 added [ 65.181159][ T8470] team0: Port device team_slave_1 added [ 65.190723][ T8473] chnl_net:caif_netlink_parms(): no params data found [ 65.331247][ T8470] device hsr_slave_0 entered promiscuous mode [ 65.378960][ T8470] device hsr_slave_1 entered promiscuous mode [ 65.408927][ T8470] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.416517][ T8470] Cannot create hsr debugfs directory [ 65.441082][ T8476] chnl_net:caif_netlink_parms(): no params data found [ 65.464494][ T8462] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.476548][ T8468] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.544863][ T8468] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.609055][ T8473] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.616126][ T8473] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.624005][ T8473] device bridge_slave_0 entered promiscuous mode [ 65.631839][ T8468] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.670514][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.680955][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.700823][ T8473] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.707888][ T8473] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.716872][ T8473] device bridge_slave_1 entered promiscuous mode [ 65.723926][ T8468] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.803786][ T8476] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.811376][ T8476] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.819657][ T8476] device bridge_slave_0 entered promiscuous mode [ 65.828060][ T8462] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.846192][ T8476] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.855207][ T8476] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.863540][ T8476] device bridge_slave_1 entered promiscuous mode [ 65.885142][ T8473] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.896548][ T8473] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.910224][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.920048][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.928344][ T3143] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.935550][ T3143] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.943739][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.952515][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.960891][ T3143] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.967927][ T3143] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.975535][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.984087][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.005663][ T8476] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.029668][ T8476] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.044133][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.058720][ T2889] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.067383][ T2889] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.096659][ T8476] team0: Port device team_slave_0 added [ 66.106761][ T8464] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.118238][ T8473] team0: Port device team_slave_0 added [ 66.126533][ T2889] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.135849][ T2889] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.144446][ T2889] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.166187][ T8476] team0: Port device team_slave_1 added [ 66.179053][ T8464] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.187966][ T8473] team0: Port device team_slave_1 added [ 66.215694][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.223808][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.310462][ T8473] device hsr_slave_0 entered promiscuous mode [ 66.358922][ T8473] device hsr_slave_1 entered promiscuous mode [ 66.418646][ T8473] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.426230][ T8473] Cannot create hsr debugfs directory [ 66.432137][ T8470] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.483234][ T8470] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 66.581155][ T8476] device hsr_slave_0 entered promiscuous mode [ 66.618986][ T8476] device hsr_slave_1 entered promiscuous mode [ 66.658605][ T8476] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.666220][ T8476] Cannot create hsr debugfs directory [ 66.693528][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.702343][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.711675][ T2859] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.718890][ T2859] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.726932][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.736113][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.744520][ T2859] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.751569][ T2859] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.759687][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.767890][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.776664][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.784659][ T8470] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 66.841545][ T8470] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 66.902494][ T2896] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.911498][ T2896] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.929952][ T2896] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.939316][ T2896] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.950451][ T8468] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.957827][ T2889] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.971459][ T8462] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.983114][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.016736][ T2889] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.027082][ T2889] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.036630][ T2889] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.045539][ T2889] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.054317][ T2889] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.061966][ T2889] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.083970][ T8468] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.104534][ T2811] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.116597][ T2811] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.125108][ T2811] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.133762][ T2811] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.141232][ T2811] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.149515][ T2811] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.161336][ T8462] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.191206][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.199932][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.208218][ T2859] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.215293][ T2859] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.248103][ T8464] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.257726][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.265781][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.274666][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.284178][ T2860] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.291321][ T2860] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.308669][ T8476] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 67.343224][ T8476] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 67.398622][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.407578][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.419284][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.427812][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.450460][ T8476] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 67.501430][ T8476] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 67.549714][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.558307][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.569823][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.578342][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.587715][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.596203][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.604613][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.612932][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.625973][ T8468] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.637699][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.655206][ T8462] device veth0_vlan entered promiscuous mode [ 67.668829][ T8473] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 67.700423][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.708357][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.716829][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.724765][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.733382][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.748216][ T8464] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.763260][ T8473] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.800858][ T2896] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.808308][ T2896] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.816213][ T2896] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.823845][ T2896] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.841816][ T8462] device veth1_vlan entered promiscuous mode [ 67.854087][ T8473] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 67.881376][ T8473] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 67.925014][ T8468] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.976073][ T8470] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.996037][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.004867][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.018612][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.027034][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.072289][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.083494][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.093359][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.102516][ T3143] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.131633][ T8468] device veth0_vlan entered promiscuous mode [ 68.155297][ T8468] device veth1_vlan entered promiscuous mode [ 173.128440][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 173.135261][ C1] rcu: 1-...!: (10499 ticks this GP) idle=65e/1/0x4000000000000002 softirq=11978/11978 fqs=1 [ 173.145835][ C1] (t=10500 jiffies g=6561 q=148) [ 173.150886][ C1] rcu: rcu_preempt kthread starved for 10498 jiffies! g6561 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 173.161968][ C1] rcu: RCU grace-period kthread stack dump: [ 173.167872][ C1] rcu_preempt R running task 28864 10 2 0x80004000 [ 173.175779][ C1] Call Trace: [ 173.179074][ C1] __schedule+0x9a0/0xcc0 [ 173.183424][ C1] schedule+0x181/0x210 [ 173.187584][ C1] schedule_timeout+0x14f/0x240 [ 173.192464][ C1] ? run_local_timers+0x120/0x120 [ 173.197490][ C1] rcu_gp_kthread+0xed8/0x1770 [ 173.202277][ C1] kthread+0x332/0x350 [ 173.206356][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 173.211465][ C1] ? kthread_blkcg+0xe0/0xe0 [ 173.216137][ C1] ret_from_fork+0x24/0x30 [ 173.220558][ C1] NMI backtrace for cpu 1 [ 173.224882][ C1] CPU: 1 PID: 8483 Comm: kworker/u4:4 Not tainted 5.5.0-rc5-syzkaller #0 [ 173.233272][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.243313][ C1] Call Trace: [ 173.246585][ C1] [ 173.249429][ C1] dump_stack+0x1fb/0x318 [ 173.253751][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 173.258591][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 173.264735][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 173.270797][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 173.276813][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 173.282700][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 173.287823][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 173.293029][ C1] ? trace_hardirqs_off+0x74/0x80 [ 173.298479][ C1] update_process_times+0x12d/0x180 [ 173.303668][ C1] tick_sched_timer+0x263/0x420 [ 173.308507][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 173.314056][ C1] __hrtimer_run_queues+0x403/0x840 [ 173.319257][ C1] hrtimer_interrupt+0x38c/0xda0 [ 173.324233][ C1] ? debug_smp_processor_id+0x9/0x20 [ 173.329516][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 173.335057][ C1] apic_timer_interrupt+0xf/0x20 [ 173.339991][ C1] [ 173.342924][ C1] RIP: 0010:free_thread_stack+0x14c/0x590 [ 173.348631][ C1] Code: 2e 00 48 89 df 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 73 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 55 94 6a 00 48 8b 3b be fc ff ff [ 173.368222][ C1] RSP: 0018:ffffc90002357e40 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 [ 173.376631][ C1] RAX: 1ffff110126b9841 RBX: ffff8880935cc208 RCX: 0000000000000000 [ 173.384589][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00024c8600 [ 173.392559][ C1] RBP: ffffc90002357e78 R08: 000000000003a728 R09: ffffed1012228b29 [ 173.400516][ C1] R10: ffffed1012228b29 R11: 0000000000000000 R12: ffff8880935cc2a0 [ 173.408476][ C1] R13: dffffc0000000000 R14: 1ffff110126b9854 R15: ffff888091145938 [ 173.416461][ C1] put_task_stack+0xa3/0x130 [ 173.421050][ C1] finish_task_switch+0x3f1/0x550 [ 173.426066][ C1] ? proc_cap_handler+0x450/0x450 [ 173.431078][ C1] schedule_tail+0x20/0x1a0 [ 173.435570][ C1] ? proc_cap_handler+0x450/0x450 [ 173.440586][ C1] ret_from_fork+0x8/0x30