[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 54.206715][ T26] audit: type=1800 audit(1578454572.569:25): pid=8431 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 54.243550][ T26] audit: type=1800 audit(1578454572.569:26): pid=8431 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 54.283372][ T26] audit: type=1800 audit(1578454572.569:27): pid=8431 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 '10.128.1.18' (ECDSA) to the list of known hosts. 2020/01/08 03:36:24 fuzzer started 2020/01/08 03:36:26 dialing manager at 10.128.0.26:35703 2020/01/08 03:36:26 syscalls: 2824 2020/01/08 03:36:26 code coverage: enabled 2020/01/08 03:36:26 comparison tracing: enabled 2020/01/08 03:36:26 extra coverage: enabled 2020/01/08 03:36:26 setuid sandbox: enabled 2020/01/08 03:36:26 namespace sandbox: enabled 2020/01/08 03:36:26 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:36:26 fault injection: enabled 2020/01/08 03:36:26 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:36:26 net packet injection: enabled 2020/01/08 03:36:26 net device setup: enabled 2020/01/08 03:36:26 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:36:26 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:36:27 executing program 0: r0 = open(&(0x7f0000000040)='./bus\x00', 0x143042, 0x0) unshare(0x20400) read$FUSE(r0, 0x0, 0x0) 03:36:27 executing program 1: openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000680)}, 0x0) r0 = getpgrp(0xffffffffffffffff) ptrace(0x4207, r0) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f00000001c0), 0x0) add_key$keyring(&(0x7f0000000980)='keyring\x00', 0x0, 0x0, 0x0, 0x0) getsockopt$inet_sctp6_SCTP_STATUS(0xffffffffffffffff, 0x84, 0x66, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, @in={{0x2, 0x0, @multicast2}}}}, 0x0) ftruncate(0xffffffffffffffff, 0x0) sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f00000002c0)={0x24, 0x0, 0x8, 0x70bd25, 0x0, {}, ["", "", "", "", ""]}, 0x24}}, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mkdir(&(0x7f00000009c0)='./file1\x00', 0x0) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 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) setxattr$system_posix_acl(0x0, &(0x7f00000005c0)='system.posix_acl_default\x00', &(0x7f0000000c40)={{}, {}, [{}, {}], {}, [{}, {}, {}, {}, {0x8, 0x1}]}, 0x5c, 0x0) mount$overlay(0x40000f, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}], [], 0xf603000000000000}) mount(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000240)='cgroup2\x00', 0x0, 0x0) membarrier(0x4, 0x0) syzkaller login: [ 69.356877][ T8599] IPVS: ftp: loaded support on port[0] = 21 [ 69.470214][ T8601] IPVS: ftp: loaded support on port[0] = 21 03:36:27 executing program 2: perf_event_open(&(0x7f00000000c0)={0x2, 0x70, 0xeb, 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_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000000)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_DELETE_QUEUE(r0, 0x40505331, &(0x7f0000000180)={0x0, 0x0, 0x0, 'queue0\x00'}) [ 69.567390][ T8599] chnl_net:caif_netlink_parms(): no params data found [ 69.691629][ T8599] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.699598][ T8599] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.707738][ T8599] device bridge_slave_0 entered promiscuous mode [ 69.731355][ T8599] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.739834][ T8599] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.747816][ T8599] device bridge_slave_1 entered promiscuous mode [ 69.761869][ T8601] chnl_net:caif_netlink_parms(): no params data found [ 69.784035][ T8599] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.807714][ T8605] IPVS: ftp: loaded support on port[0] = 21 03:36:28 executing program 3: syz_mount_image$msdos(&(0x7f00000001c0)='msdos\x00', &(0x7f0000000240)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f00000027c0)=ANY=[@ANYBLOB='codepage=8']) [ 69.833602][ T8599] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.858031][ T8601] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.880762][ T8601] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.904150][ T8601] device bridge_slave_0 entered promiscuous mode [ 69.919287][ T8601] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.943481][ T8601] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.951402][ T8601] device bridge_slave_1 entered promiscuous mode [ 70.005046][ T8601] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.025356][ T8601] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.047174][ T8599] team0: Port device team_slave_0 added [ 70.088368][ T8599] team0: Port device team_slave_1 added [ 70.096278][ T8601] team0: Port device team_slave_0 added [ 70.117154][ T8607] IPVS: ftp: loaded support on port[0] = 21 [ 70.133492][ T8601] team0: Port device team_slave_1 added 03:36:28 executing program 4: sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x0) writev(0xffffffffffffffff, &(0x7f0000000080)=[{&(0x7f00000000c0)="390000001000090468fe07002b0000000100ff0714000000450001070300001419001a00", 0x24}], 0x1) r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000000)={0x4}, 0x10) write(0xffffffffffffffff, &(0x7f00000000c0)="240000001e005f0214fffffffffffff807000000", 0x14) sendmmsg$alg(r0, &(0x7f0000000140), 0xcc, 0x0) [ 70.207881][ T8599] device hsr_slave_0 entered promiscuous mode [ 70.274458][ T8599] device hsr_slave_1 entered promiscuous mode 03:36:28 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000001540)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) acct(0x0) [ 70.376553][ T8601] device hsr_slave_0 entered promiscuous mode [ 70.413585][ T8601] device hsr_slave_1 entered promiscuous mode [ 70.453409][ T8601] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.461206][ T8601] Cannot create hsr debugfs directory [ 70.518114][ T8609] IPVS: ftp: loaded support on port[0] = 21 [ 70.552681][ T8611] IPVS: ftp: loaded support on port[0] = 21 [ 70.592752][ T8605] chnl_net:caif_netlink_parms(): no params data found [ 70.670050][ T8601] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 70.741248][ T8601] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 70.785690][ T8601] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 70.825958][ T8601] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 70.895289][ T8599] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.952623][ T8599] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.030845][ T8605] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.038402][ T8605] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.046176][ T8605] device bridge_slave_0 entered promiscuous mode [ 71.053810][ T8599] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.095603][ T8599] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.173469][ T8605] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.182179][ T8605] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.190158][ T8605] device bridge_slave_1 entered promiscuous mode [ 71.211477][ T8605] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.254694][ T8605] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.264477][ T8607] chnl_net:caif_netlink_parms(): no params data found [ 71.299183][ T8605] team0: Port device team_slave_0 added [ 71.305505][ T8609] chnl_net:caif_netlink_parms(): no params data found [ 71.331650][ T8605] team0: Port device team_slave_1 added [ 71.415024][ T8605] device hsr_slave_0 entered promiscuous mode [ 71.454049][ T8605] device hsr_slave_1 entered promiscuous mode [ 71.513414][ T8605] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.521056][ T8605] Cannot create hsr debugfs directory [ 71.559444][ T8611] chnl_net:caif_netlink_parms(): no params data found [ 71.589404][ T8607] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.596797][ T8607] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.604678][ T8607] device bridge_slave_0 entered promiscuous mode [ 71.614515][ T8607] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.622179][ T8607] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.629817][ T8607] device bridge_slave_1 entered promiscuous mode [ 71.683052][ T8607] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.693489][ T8609] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.700562][ T8609] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.708751][ T8609] device bridge_slave_0 entered promiscuous mode [ 71.737916][ T8607] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.756865][ T8609] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.766515][ T8609] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.774331][ T8609] device bridge_slave_1 entered promiscuous mode [ 71.781336][ T8611] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.788988][ T8611] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.796949][ T8611] device bridge_slave_0 entered promiscuous mode [ 71.809148][ T8611] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.816556][ T8611] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.826880][ T8611] device bridge_slave_1 entered promiscuous mode [ 71.850100][ T8607] team0: Port device team_slave_0 added [ 71.858776][ T8607] team0: Port device team_slave_1 added [ 71.876841][ T8611] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.898517][ T8609] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.924592][ T8611] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.946538][ T8609] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.967678][ T8599] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.025951][ T8607] device hsr_slave_0 entered promiscuous mode [ 72.063879][ T8607] device hsr_slave_1 entered promiscuous mode [ 72.113628][ T8607] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.121220][ T8607] Cannot create hsr debugfs directory [ 72.129186][ T8611] team0: Port device team_slave_0 added [ 72.139306][ T8611] team0: Port device team_slave_1 added [ 72.148115][ T8609] team0: Port device team_slave_0 added [ 72.226373][ T8611] device hsr_slave_0 entered promiscuous mode [ 72.264096][ T8611] device hsr_slave_1 entered promiscuous mode [ 72.303490][ T8611] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.311075][ T8611] Cannot create hsr debugfs directory [ 72.336209][ T8601] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.344418][ T8609] team0: Port device team_slave_1 added [ 72.373054][ T8599] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.380862][ T8605] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 72.458653][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.467159][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.487453][ T8605] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 72.595173][ T8609] device hsr_slave_0 entered promiscuous mode [ 72.663816][ T8609] device hsr_slave_1 entered promiscuous mode [ 72.703395][ T8609] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.711056][ T8609] Cannot create hsr debugfs directory [ 72.722283][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.730555][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.738451][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.747021][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.755631][ T2700] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.762754][ T2700] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.774836][ T8605] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 72.816319][ T8605] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 72.884809][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.897592][ T8601] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.919119][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.928688][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.940191][ T2898] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.947302][ T2898] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.000627][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.009701][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.021161][ T2743] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.028255][ T2743] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.036532][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.045105][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.053522][ T2743] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.060565][ T2743] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.068187][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.099682][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.107939][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.116883][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.125399][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.134496][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.146051][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.163599][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.174700][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.183094][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.192280][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.222727][ T8611] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 73.259851][ T8611] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 73.327996][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.336914][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.345468][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.354923][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.363160][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.371552][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.386511][ T8607] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 73.451948][ T8601] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.464145][ T8601] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.471830][ T8611] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 73.515397][ T8611] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 73.586310][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.595576][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.604371][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.612614][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.622196][ T8607] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 73.665353][ T8607] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 73.715746][ T8607] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 73.755361][ T8599] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.767456][ T8599] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.791489][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.801356][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.827296][ T8609] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 73.905630][ T8609] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 73.954968][ T8601] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.972829][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.980746][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.990846][ T8609] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 74.035907][ T8609] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 74.093699][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.101144][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.137334][ T8599] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.169715][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.178664][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.210579][ T8607] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.221306][ T8605] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.245181][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.255226][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.287673][ T8611] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.295473][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.303159][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.311284][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.320149][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.328939][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.337037][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.353023][ T8599] device veth0_vlan entered promiscuous mode [ 74.361790][ T8605] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.371455][ T8601] device veth0_vlan entered promiscuous mode [ 74.389172][ T8609] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.396467][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.405138][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.413881][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.421536][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.439974][ T8601] device veth1_vlan entered promiscuous mode [ 74.465312][ T8599] device veth1_vlan entered promiscuous mode [ 74.473069][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.482484][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.490562][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.498916][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.506935][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.515013][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.522609][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.531236][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.539693][ T2700] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.546870][ T2700] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.554884][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.563670][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.572054][ T2700] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.579144][ T2700] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.586784][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.595608][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.606400][ T8611] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.626813][ T8609] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.639232][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.647424][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.655829][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.664598][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.672306][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.682325][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.692608][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.702245][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.712594][ T8607] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.748979][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.758626][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.768144][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.778644][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.796883][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.805363][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.813785][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.822255][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.831009][ T2710] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.838133][ T2710] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.847319][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.856249][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.864863][ T2710] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.871934][ T2710] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.879498][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.888465][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.896904][ T2710] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.903997][ T2710] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.911520][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.921371][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.929525][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.967912][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.977840][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.986670][ T2743] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.993784][ T2743] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.003644][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.012163][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.021356][ T2743] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.028507][ T2743] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.037446][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.046170][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.054861][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.078655][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.087564][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.101675][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.110564][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.120131][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.129359][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.192913][ T8619] overlayfs: conflicting lowerdir path [ 75.985935][ T8623] overlayfs: conflicting lowerdir path [ 180.153232][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 180.160070][ C1] rcu: 1-...!: (1 GPs behind) idle=376/1/0x4000000000000002 softirq=13499/13500 fqs=44 [ 180.170151][ C1] (t=10501 jiffies g=7089 q=97) [ 180.175089][ C1] rcu: rcu_preempt kthread starved for 10414 jiffies! g7089 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 180.186177][ C1] rcu: RCU grace-period kthread stack dump: [ 180.192057][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 180.199947][ C1] Call Trace: [ 180.203231][ C1] __schedule+0x9a0/0xcc0 [ 180.207586][ C1] schedule+0x181/0x210 [ 180.211750][ C1] schedule_timeout+0x14f/0x240 [ 180.216603][ C1] ? run_local_timers+0x120/0x120 [ 180.221624][ C1] rcu_gp_kthread+0xed8/0x1770 [ 180.226390][ C1] kthread+0x332/0x350 [ 180.230446][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 180.235543][ C1] ? kthread_blkcg+0xe0/0xe0 [ 180.240123][ C1] ret_from_fork+0x24/0x30 [ 180.244540][ C1] NMI backtrace for cpu 1 [ 180.248858][ C1] CPU: 1 PID: 2743 Comm: kworker/1:17 Not tainted 5.5.0-rc5-syzkaller #0 [ 180.257250][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.267299][ C1] Workqueue: events linkwatch_event [ 180.272484][ C1] Call Trace: [ 180.275755][ C1] [ 180.278597][ C1] dump_stack+0x1fb/0x318 [ 180.282919][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 180.287757][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 180.293903][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 180.299957][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 180.305927][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 180.311806][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 180.316908][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 180.322097][ C1] ? trace_hardirqs_off+0x74/0x80 [ 180.327113][ C1] update_process_times+0x12d/0x180 [ 180.332300][ C1] tick_sched_timer+0x263/0x420 [ 180.337264][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 180.342835][ C1] __hrtimer_run_queues+0x403/0x840 [ 180.348050][ C1] hrtimer_interrupt+0x38c/0xda0 [ 180.353000][ C1] ? debug_smp_processor_id+0x9/0x20 [ 180.358282][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 180.363818][ C1] apic_timer_interrupt+0xf/0x20 [ 180.368742][ C1] [ 180.371672][ C1] RIP: 0010:free_thread_stack+0x15b/0x590 [ 180.377379][ C1] Code: 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 ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 [ 180.396995][ C1] RSP: 0018:ffffc90007d8f700 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 180.405397][ C1] RAX: 1ffff11012ed0631 RBX: ffff888097683188 RCX: 0000000000000000 [ 180.413357][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002a4f080 [ 180.421321][ C1] RBP: ffffc90007d8f738 R08: 000000000003a728 R09: fffffbfff124248a [ 180.429279][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff888097683220 [ 180.437260][ C1] R13: dffffc0000000000 R14: 1ffff11012ed0644 R15: ffff88808b39d738 [ 180.445385][ C1] put_task_stack+0xa3/0x130 [ 180.449975][ C1] finish_task_switch+0x3f1/0x550 [ 180.455000][ C1] __schedule+0x9a8/0xcc0 [ 180.459342][ C1] ? ___preempt_schedule+0x16/0x18 [ 180.464450][ C1] preempt_schedule+0xdb/0x120 [ 180.469202][ C1] ___preempt_schedule+0x16/0x18 [ 180.474130][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 180.478793][ C1] ? vprintk_emit+0x368/0x3a0 [ 180.483459][ C1] vprintk_emit+0x36d/0x3a0 [ 180.487955][ C1] vprintk_default+0x28/0x30 [ 180.492535][ C1] vprintk_func+0x158/0x170 [ 180.497029][ C1] printk+0x62/0x8d [ 180.500828][ C1] ? addrconf_notify+0xd37/0x3c90 [ 180.505837][ C1] ? addrconf_notify+0x779/0x3c90 [ 180.510998][ C1] addrconf_notify+0x2c8d/0x3c90 [ 180.515938][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 180.521214][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 180.526580][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 180.532112][ C1] ? trace_hardirqs_on+0x74/0x80 [ 180.537045][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 180.542409][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 180.547939][ C1] ? tls_dev_event+0x619/0xc00 [ 180.552691][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 180.558228][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 180.563421][ C1] raw_notifier_call_chain+0xec/0x190 [ 180.568786][ C1] netdev_state_change+0x147/0x1f0 [ 180.573893][ C1] linkwatch_do_dev+0x10e/0x160 [ 180.578751][ C1] __linkwatch_run_queue+0x446/0x730 [ 180.584037][ C1] linkwatch_event+0x4c/0x60 [ 180.588618][ C1] process_one_work+0x7ef/0x10d0 [ 180.593560][ C1] worker_thread+0xc01/0x1630 [ 180.598251][ C1] kthread+0x332/0x350 [ 180.602306][ C1] ? rcu_lock_release+0x30/0x30 [ 180.607144][ C1] ? kthread_blkcg+0xe0/0xe0 [ 180.611723][ C1] ret_from_fork+0x24/0x30