[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.233468][ T27] audit: type=1800 audit(1578458959.781:25): pid=8243 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.271969][ T27] audit: type=1800 audit(1578458959.781:26): pid=8243 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.297427][ T27] audit: type=1800 audit(1578458959.781:27): pid=8243 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 '10.128.0.21' (ECDSA) to the list of known hosts. 2020/01/08 04:49:27 fuzzer started 2020/01/08 04:49:29 dialing manager at 10.128.0.26:35703 2020/01/08 04:49:29 syscalls: 2824 2020/01/08 04:49:29 code coverage: enabled 2020/01/08 04:49:29 comparison tracing: enabled 2020/01/08 04:49:29 extra coverage: enabled 2020/01/08 04:49:29 setuid sandbox: enabled 2020/01/08 04:49:29 namespace sandbox: enabled 2020/01/08 04:49:29 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 04:49:29 fault injection: enabled 2020/01/08 04:49:29 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 04:49:29 net packet injection: enabled 2020/01/08 04:49:29 net device setup: enabled 2020/01/08 04:49:29 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 04:49:29 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:49:30 executing program 0: unshare(0x8000400) r0 = openat$ttynull(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ttynull\x00', 0x0, 0x0) ioctl$RTC_EPOCH_SET(r0, 0x5414, 0x0) 04:49:31 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) io_setup(0xba, &(0x7f00000000c0)=0x0) io_submit(r1, 0x1, &(0x7f0000000600)=[&(0x7f0000000180)={0x0, 0x0, 0x0, 0x5, 0x0, r0, 0x0}]) io_cancel(r1, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0}, 0x0) syzkaller login: [ 56.551467][ T8413] IPVS: ftp: loaded support on port[0] = 21 04:49:31 executing program 2: unshare(0x20600) r0 = syz_open_dev$sndctrl(&(0x7f0000000040)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r0, 0xc1105517, &(0x7f00000001c0)) [ 56.716170][ T8415] IPVS: ftp: loaded support on port[0] = 21 [ 56.737755][ T8413] chnl_net:caif_netlink_parms(): no params data found [ 56.831777][ T8413] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.841653][ T8413] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.849919][ T8413] device bridge_slave_0 entered promiscuous mode [ 56.858713][ T8419] IPVS: ftp: loaded support on port[0] = 21 [ 56.866978][ T8413] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.875456][ T8413] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.884391][ T8413] device bridge_slave_1 entered promiscuous mode [ 56.917575][ T8413] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.956045][ T8413] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 04:49:31 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) bpf$MAP_CREATE(0x900000000000000, &(0x7f0000000100)={0x8, 0x200000004, 0x200000004, 0x7, 0x0, 0xffffffffffffffff, 0x0, [0x305f, 0x2e, 0x5f, 0x80ffff, 0x5f, 0x5f, 0x80ffff, 0x2e, 0x5f, 0x2e, 0x2e, 0x2e, 0xe0]}, 0x3c) [ 57.031559][ T8413] team0: Port device team_slave_0 added [ 57.090185][ T8413] team0: Port device team_slave_1 added [ 57.100354][ T8415] chnl_net:caif_netlink_parms(): no params data found 04:49:31 executing program 4: openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc0\x00', 0x0, 0x0) sched_setscheduler(0x0, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000003000/0x2000)=nil, 0x2000, 0x0, 0x1012, r0, 0x0) write$P9_RWALK(r0, &(0x7f00000003c0)=ANY=[@ANYRES64], 0x8) r1 = perf_event_open(&(0x7f0000000180)={0x6, 0x70, 0x0, 0x0, 0x0, 0x0, 0xfffffff6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) dup2(r0, r1) pipe(0x0) close(0xffffffffffffffff) socket$inet_udp(0x2, 0x2, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_SET_GSI_ROUTING(0xffffffffffffffff, 0x4008ae6a, 0x0) ioctl$KVM_IRQ_LINE(0xffffffffffffffff, 0x4008ae61, &(0x7f0000000000)={0x0, 0x10}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f00000000c0)=[{&(0x7f0000000180)="77690addcfbe1fbb66ec", 0xff3b}], 0x1, 0x1) socketpair$unix(0x1, 0x0, 0x0, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040)='IPVS\x00') sendmsg$IPVS_CMD_NEW_DAEMON(r4, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000480)={0x48, r5, 0x31, 0x0, 0x0, {}, [@IPVS_CMD_ATTR_DAEMON={0x34, 0x3, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'lo\x00'}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @dev}, @IPVS_DAEMON_ATTR_STATE={0x8}]}]}, 0x48}}, 0x0) sendmsg$IPVS_CMD_NEW_DAEMON(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)={0x7c, r5, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x1}, @IPVS_CMD_ATTR_DEST={0x48, 0x2, [@IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x10000}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv4=@multicast1}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x401}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x8}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x400}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xdd41}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x9}]}, @IPVS_CMD_ATTR_SERVICE={0x10, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x4, 0x4}}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x4}]}, 0x7c}, 0x1, 0x0, 0x0, 0x20000000}, 0x1) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0x0) setxattr$smack_xattr_label(&(0x7f0000000040)='./bus\x00', &(0x7f0000000100)='security.SMACK64MMAP\x00', &(0x7f0000000140)={'/dev/kvm\x00'}, 0xa, 0x3) [ 57.184582][ T8413] device hsr_slave_0 entered promiscuous mode [ 57.213311][ T8413] device hsr_slave_1 entered promiscuous mode [ 57.333570][ T8419] chnl_net:caif_netlink_parms(): no params data found [ 57.368436][ T8423] IPVS: ftp: loaded support on port[0] = 21 [ 57.460688][ T8415] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.471729][ T8415] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.480428][ T8415] device bridge_slave_0 entered promiscuous mode [ 57.518415][ T8415] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.525774][ T8415] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.536503][ T8415] device bridge_slave_1 entered promiscuous mode [ 57.554643][ T8425] IPVS: ftp: loaded support on port[0] = 21 [ 57.561026][ T8419] bridge0: port 1(bridge_slave_0) entered blocking state 04:49:32 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r1 = socket$netlink(0x10, 0x3, 0x0) writev(r1, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r2 = socket$netlink(0x10, 0x3, 0x0) writev(r2, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r3 = socket$netlink(0x10, 0x3, 0x0) writev(r3, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r4 = socket$netlink(0x10, 0x3, 0x0) writev(r4, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r5 = socket$netlink(0x10, 0x3, 0x0) writev(r5, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r6 = socket$netlink(0x10, 0x3, 0x0) writev(r6, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r7 = socket$netlink(0x10, 0x3, 0x0) writev(r7, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r8 = socket$netlink(0x10, 0x3, 0x0) writev(r8, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r9 = socket$netlink(0x10, 0x3, 0x0) writev(r9, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r10 = socket$netlink(0x10, 0x3, 0x0) writev(r10, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r11 = socket$netlink(0x10, 0x3, 0x0) writev(r11, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r12 = socket$netlink(0x10, 0x3, 0x0) writev(r12, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r13 = socket$netlink(0x10, 0x3, 0x0) writev(r13, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r14 = socket$netlink(0x10, 0x3, 0x0) writev(r14, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r15 = socket$netlink(0x10, 0x3, 0x0) writev(r15, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r16 = socket$netlink(0x10, 0x3, 0x0) writev(r16, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r17 = socket$netlink(0x10, 0x3, 0x0) writev(r17, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r18 = socket$netlink(0x10, 0x3, 0x0) writev(r18, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r19 = socket$netlink(0x10, 0x3, 0x0) writev(r19, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r20 = socket$netlink(0x10, 0x3, 0x0) writev(r20, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r21 = socket$netlink(0x10, 0x3, 0x0) writev(r21, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r22 = socket$netlink(0x10, 0x3, 0x0) writev(r22, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r23 = socket$netlink(0x10, 0x3, 0x0) writev(r23, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r24 = socket$netlink(0x10, 0x3, 0x0) writev(r24, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r25 = socket$netlink(0x10, 0x3, 0x0) writev(r25, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r26 = socket$netlink(0x10, 0x3, 0x0) writev(r26, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r27 = socket$netlink(0x10, 0x3, 0x0) writev(r27, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r28 = socket$netlink(0x10, 0x3, 0x0) writev(r28, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r29 = socket$netlink(0x10, 0x3, 0x0) writev(r29, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r30 = socket$netlink(0x10, 0x3, 0x0) writev(r30, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r31 = socket$netlink(0x10, 0x3, 0x0) writev(r31, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r32 = socket$netlink(0x10, 0x3, 0x0) writev(r32, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r33 = socket$netlink(0x10, 0x3, 0x0) writev(r33, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r34 = socket$netlink(0x10, 0x3, 0x0) writev(r34, &(0x7f00000000c0)=[{&(0x7f0000000240)='X', 0x1}], 0x1) r35 = socket$netlink(0x10, 0x3, 0x4) writev(r35, &(0x7f00000000c0)=[{&(0x7f0000000240)="580000001400192340834b80043f679a10ffff7f4e32f61bcdf1e422000000000100804824ca945f64009400050028925aaa000000000000008400f0fffeff2c707f8f00ff050000000010000100090a0000000000000000", 0x58}], 0x1) read(r35, &(0x7f0000000340)=""/114, 0x72) [ 57.581946][ T8419] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.589811][ T8419] device bridge_slave_0 entered promiscuous mode [ 57.644212][ T8419] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.651299][ T8419] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.662821][ T8419] device bridge_slave_1 entered promiscuous mode [ 57.670053][ T8413] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.744647][ T8413] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.785521][ T8415] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.819121][ T8413] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.854085][ T8413] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.895084][ T8415] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.915498][ T8419] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.927063][ T8419] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.956485][ T8419] team0: Port device team_slave_0 added [ 57.969327][ T8427] IPVS: ftp: loaded support on port[0] = 21 [ 57.979743][ T8415] team0: Port device team_slave_0 added [ 57.988966][ T8415] team0: Port device team_slave_1 added [ 57.998430][ T8419] team0: Port device team_slave_1 added [ 58.114611][ T8419] device hsr_slave_0 entered promiscuous mode [ 58.162287][ T8419] device hsr_slave_1 entered promiscuous mode [ 58.212061][ T8419] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.219833][ T8419] Cannot create hsr debugfs directory [ 58.314645][ T8415] device hsr_slave_0 entered promiscuous mode [ 58.352230][ T8415] device hsr_slave_1 entered promiscuous mode [ 58.392014][ T8415] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.400664][ T8415] Cannot create hsr debugfs directory [ 58.448347][ T8423] chnl_net:caif_netlink_parms(): no params data found [ 58.527803][ T8425] chnl_net:caif_netlink_parms(): no params data found [ 58.567123][ T8423] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.574765][ T8423] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.582865][ T8423] device bridge_slave_0 entered promiscuous mode [ 58.601346][ T8427] chnl_net:caif_netlink_parms(): no params data found [ 58.615038][ T8423] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.622336][ T8423] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.629889][ T8423] device bridge_slave_1 entered promiscuous mode [ 58.698890][ T8425] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.706132][ T8425] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.716850][ T8425] device bridge_slave_0 entered promiscuous mode [ 58.726079][ T8423] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.754779][ T8415] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.814914][ T8425] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.822357][ T8425] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.829935][ T8425] device bridge_slave_1 entered promiscuous mode [ 58.840911][ T8419] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.895487][ T8423] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.917806][ T8415] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.965930][ T8413] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.983877][ T8419] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.025897][ T8423] team0: Port device team_slave_0 added [ 59.031754][ T8415] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.087617][ T8415] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.133886][ T8427] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.141070][ T8427] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.149437][ T8427] device bridge_slave_0 entered promiscuous mode [ 59.157844][ T8427] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.165013][ T8427] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.172752][ T8427] device bridge_slave_1 entered promiscuous mode [ 59.186787][ T8419] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.245063][ T8423] team0: Port device team_slave_1 added [ 59.250860][ T8419] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.307060][ T8425] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.319092][ T8425] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.356539][ T8427] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.372641][ T8425] team0: Port device team_slave_0 added [ 59.386100][ T8425] team0: Port device team_slave_1 added [ 59.394606][ T8427] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.445235][ T8423] device hsr_slave_0 entered promiscuous mode [ 59.472274][ T8423] device hsr_slave_1 entered promiscuous mode [ 59.512200][ T8423] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.519777][ T8423] Cannot create hsr debugfs directory [ 59.535858][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.544184][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.570992][ T8427] team0: Port device team_slave_0 added [ 59.589369][ T8413] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.603846][ T8427] team0: Port device team_slave_1 added [ 59.631173][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.640334][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.649115][ T3939] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.656544][ T3939] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.664970][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.673776][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.682305][ T3939] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.689360][ T3939] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.697639][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.755207][ T8425] device hsr_slave_0 entered promiscuous mode [ 59.812292][ T8425] device hsr_slave_1 entered promiscuous mode [ 59.852093][ T8425] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.859789][ T8425] Cannot create hsr debugfs directory [ 59.905270][ T8427] device hsr_slave_0 entered promiscuous mode [ 59.972306][ T8427] device hsr_slave_1 entered promiscuous mode [ 60.022061][ T8427] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.029710][ T8427] Cannot create hsr debugfs directory [ 60.050236][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.059101][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.130294][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.142752][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.151098][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.160654][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.169448][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.177731][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.186700][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.195055][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.204952][ T8413] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.240985][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.268196][ T8419] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.328099][ T8419] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.343656][ T8423] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.404236][ T8423] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.445474][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.453161][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.460701][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.469311][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.477247][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.486274][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.494733][ T3939] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.501771][ T3939] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.515870][ T8427] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.573884][ T8427] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.625997][ T8425] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.693983][ T8423] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.754387][ T2964] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.765924][ T8413] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.773981][ T8427] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.815599][ T8427] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 60.863982][ T8425] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.907009][ T8423] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.967012][ T8415] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.983484][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.993339][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.002159][ T3939] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.009229][ T3939] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.022639][ T8425] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.099208][ T8415] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.109820][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.120262][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.128586][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.142821][ T8425] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.216675][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.225796][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 61.235095][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.244785][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.253708][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.262040][ T2764] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.269123][ T2764] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.277234][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.286520][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.318466][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.329715][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.337811][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 61.348023][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.374277][ T8413] device veth0_vlan entered promiscuous mode [ 61.393383][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.401059][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.409295][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.418015][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.426634][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.435145][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.443381][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.451638][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.459898][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.468359][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.476918][ T2764] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.484009][ T2764] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.494385][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.525017][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.533824][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.542813][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.551310][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.572169][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.592330][ T8413] device veth1_vlan entered promiscuous mode [ 61.627492][ T2964] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.637691][ T2964] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.648307][ T2964] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.656365][ T2964] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.664002][ T2964] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.672440][ T2964] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.680675][ T2964] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.689019][ T2964] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.699457][ T8427] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.715196][ T8419] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.742645][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.750919][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.776425][ T8415] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.806760][ T8423] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.824461][ T8423] 8021q: adding VLAN 0 to HW filter on device team0 [ 166.831803][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.838597][ C0] rcu: 0-...!: (10499 ticks this GP) idle=4fe/1/0x4000000000000002 softirq=11336/11336 fqs=0 [ 166.849155][ C0] (t=10500 jiffies g=6793 q=157) [ 166.854304][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g6793 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 166.865404][ C0] rcu: RCU grace-period kthread stack dump: [ 166.871293][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 166.879211][ C0] Call Trace: [ 166.882510][ C0] __schedule+0x9a0/0xcc0 [ 166.886841][ C0] schedule+0x181/0x210 [ 166.890987][ C0] schedule_timeout+0x14f/0x240 [ 166.895966][ C0] ? run_local_timers+0x120/0x120 [ 166.901026][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.905827][ C0] kthread+0x332/0x350 [ 166.909909][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.915021][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.919608][ C0] ret_from_fork+0x24/0x30 [ 166.924037][ C0] NMI backtrace for cpu 0 [ 166.928375][ C0] CPU: 0 PID: 8383 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 166.936167][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.946212][ C0] Call Trace: [ 166.949486][ C0] [ 166.952330][ C0] dump_stack+0x1fb/0x318 [ 166.956659][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.961497][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.967746][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.973820][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.979798][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.985677][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.990789][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.995981][ C0] ? trace_hardirqs_off+0x74/0x80 [ 167.001014][ C0] update_process_times+0x12d/0x180 [ 167.006202][ C0] tick_sched_timer+0x263/0x420 [ 167.011041][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.016591][ C0] __hrtimer_run_queues+0x403/0x840 [ 167.021807][ C0] hrtimer_interrupt+0x38c/0xda0 [ 167.026752][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.032030][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 167.037569][ C0] apic_timer_interrupt+0xf/0x20 [ 167.042491][ C0] [ 167.045423][ C0] RIP: 0010:free_thread_stack+0x13d/0x590 [ 167.051129][ C0] Code: 00 00 e8 86 91 61 00 e9 5d 04 00 00 e8 3c 2c 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 [ 167.070743][ C0] RSP: 0018:ffffc90001f87b10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.079291][ C0] RAX: 0000000000000001 RBX: ffffea00023dbf00 RCX: 0000000000000000 [ 167.087262][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00023dbf00 [ 167.095230][ C0] RBP: ffffc90001f87b48 R08: dffffc0000000000 R09: fffffbfff124248a [ 167.103213][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a2153ea0 [ 167.111188][ C0] R13: dffffc0000000000 R14: 1ffff1101442a7d4 R15: ffff88809685d678 [ 167.119207][ C0] put_task_stack+0xa3/0x130 [ 167.123898][ C0] finish_task_switch+0x3f1/0x550 [ 167.128941][ C0] __schedule+0x9a8/0xcc0 [ 167.133273][ C0] schedule+0x181/0x210 [ 167.137424][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 167.143487][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 167.149289][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 167.154674][ C0] ep_poll+0xa4d/0xe80 [ 167.158749][ C0] ? do_task_dead+0xc0/0xc0 [ 167.163247][ C0] ? __kasan_check_read+0x11/0x20 [ 167.168266][ C0] do_epoll_wait+0x1ee/0x260 [ 167.172848][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 167.177885][ C0] do_syscall_64+0xf7/0x1c0 [ 167.182380][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.188259][ C0] RIP: 0033:0x7f6d35096943 [ 167.192670][ C0] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 167.212275][ C0] RSP: 002b:00007fff26fa5a78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 167.220685][ C0] RAX: ffffffffffffffda RBX: 0000000001e34250 RCX: 00007f6d35096943 [ 167.228798][ C0] RDX: 0000000000000004 RSI: 00007fff26fa5b40 RDI: 0000000000000007 [ 167.236803][ C0] RBP: 0000000000625500 R08: 00007fff26fa5a60 R09: 00007fff26fd00b8 [ 167.244786][ C0] R10: 000000000000ee3b R11: 0000000000000246 R12: 0000000001e4d090 [ 167.252756][ C0] R13: 00007fff26fa6b97 R14: 0000000000000005 R15: 0000000001e34250