[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.459458][ T26] audit: type=1800 audit(1578477039.491:25): pid=8441 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.478768][ T26] audit: type=1800 audit(1578477039.491:26): pid=8441 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.528177][ T26] audit: type=1800 audit(1578477039.491:27): pid=8441 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 '10.128.0.127' (ECDSA) to the list of known hosts. 2020/01/08 09:50:51 fuzzer started 2020/01/08 09:50:52 dialing manager at 10.128.0.26:35703 2020/01/08 09:50:52 syscalls: 2824 2020/01/08 09:50:52 code coverage: enabled 2020/01/08 09:50:52 comparison tracing: enabled 2020/01/08 09:50:52 extra coverage: enabled 2020/01/08 09:50:52 setuid sandbox: enabled 2020/01/08 09:50:52 namespace sandbox: enabled 2020/01/08 09:50:52 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 09:50:52 fault injection: enabled 2020/01/08 09:50:52 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 09:50:52 net packet injection: enabled 2020/01/08 09:50:52 net device setup: enabled 2020/01/08 09:50:52 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 09:50:52 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:50:53 executing program 0: mkdir(&(0x7f0000000b00)='./file0\x00', 0x0) preadv(0xffffffffffffffff, 0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_genetlink_get_family_id$tipc2(&(0x7f0000000a00)='TIPCv2\x00') openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dlm_plock\x00', 0x200100, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x0) setsockopt$TIPC_MCAST_BROADCAST(0xffffffffffffffff, 0x10f, 0x85) ioctl$int_in(0xffffffffffffffff, 0x0, 0x0) r0 = request_key(0x0, 0x0, 0x0, 0xfffffffffffffffe) add_key$keyring(0x0, 0x0, 0x0, 0x0, r0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000000)={0x5, 0x70, 0x34, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0xffffffff, 0xffff}, 0x200000000, 0x80000000000003}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(0x0, &(0x7f0000000500)='./file0\x00', &(0x7f00000002c0)='sysfs\x00', 0x0, &(0x7f0000000000)) 09:50:53 executing program 1: r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x70, &(0x7f0000000040)={r1}, &(0x7f0000000100)=0x8) setsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={r2}, 0x8) syzkaller login: [ 65.847129][ T8608] IPVS: ftp: loaded support on port[0] = 21 09:50:54 executing program 2: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) clock_gettime(0x0, &(0x7f0000000280)={0x0, 0x0}) ppoll(&(0x7f0000000500)=[{r1, 0x2103, 0x64}], 0x1, &(0x7f0000000580)={0x0, r2+10000000}, 0x0, 0x0) [ 66.042079][ T8608] chnl_net:caif_netlink_parms(): no params data found [ 66.105450][ T8611] IPVS: ftp: loaded support on port[0] = 21 [ 66.192578][ T8608] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.208401][ T8608] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.228763][ T8608] device bridge_slave_0 entered promiscuous mode 09:50:54 executing program 3: r0 = gettid() socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) readv(r1, &(0x7f0000001400)=[{&(0x7f00000010c0)=""/247, 0xf7}], 0x1) ppoll(&(0x7f0000001080)=[{r2}], 0x1, 0x0, 0x0, 0x0) ioctl$int_in(r1, 0x5452, &(0x7f0000000140)=0x6) fcntl$setsig(r1, 0xa, 0x12) dup2(r1, r2) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f0000000040)={'\x00', 0x10005812}) io_setup(0x20000000002, &(0x7f0000000240)=0x0) io_submit(r5, 0x1, &(0x7f0000000080)=[&(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, r4, &(0x7f0000000180)='\f', 0x1}]) dup3(r3, r4, 0x0) fcntl$setown(r1, 0x8, r0) tkill(r0, 0x15) [ 66.260019][ T8608] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.267195][ T8608] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.283603][ T8608] device bridge_slave_1 entered promiscuous mode [ 66.312880][ T8613] IPVS: ftp: loaded support on port[0] = 21 [ 66.394631][ T8608] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.443409][ T8608] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.473957][ T8616] IPVS: ftp: loaded support on port[0] = 21 [ 66.494925][ T8608] team0: Port device team_slave_0 added [ 66.506281][ T8611] chnl_net:caif_netlink_parms(): no params data found [ 66.532725][ T8608] team0: Port device team_slave_1 added 09:50:54 executing program 4: r0 = socket$nl_crypto(0x10, 0x3, 0x15) sendmsg$nl_crypto(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=@upd={0xe0, 0x10, 0x690ee9b7eac96905, 0x0, 0x0, {{'drbg-pr_sha1(-_,\x00'}}}, 0xe0}}, 0x0) [ 66.633302][ T8608] device hsr_slave_0 entered promiscuous mode [ 66.678612][ T8608] device hsr_slave_1 entered promiscuous mode [ 66.803500][ T8611] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.814796][ T8611] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.823167][ T8611] device bridge_slave_0 entered promiscuous mode [ 66.834836][ T8611] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.842814][ T8611] bridge0: port 2(bridge_slave_1) entered disabled state 09:50:54 executing program 5: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r0, &(0x7f0000000380)='\x00', 0x1, 0x0, &(0x7f00000000c0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r0, 0x1) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6, 0x0, 0x10001, 0x0, 0x0, 0x46}, 0x98) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000004c0)={0x0, @in, 0x0, 0x0, 0x0, 0x0, 0x34}, 0x98) readv(r0, &(0x7f0000000580)=[{&(0x7f0000000140)=""/28, 0x1c}], 0x1) setsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000100)={0x0, 0x0, 0x4}, 0xb) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in6, 0x0, 0x0, 0x0, 0x0, 0xc}, 0x98) [ 66.853062][ T8611] device bridge_slave_1 entered promiscuous mode [ 66.939371][ T8618] IPVS: ftp: loaded support on port[0] = 21 [ 66.985146][ T8611] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.064221][ T8611] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.087453][ T8613] chnl_net:caif_netlink_parms(): no params data found [ 67.101809][ T8616] chnl_net:caif_netlink_parms(): no params data found [ 67.117455][ T8611] team0: Port device team_slave_0 added [ 67.140125][ T8622] IPVS: ftp: loaded support on port[0] = 21 [ 67.165892][ T8611] team0: Port device team_slave_1 added [ 67.218836][ T8613] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.226066][ T8613] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.233774][ T8613] device bridge_slave_0 entered promiscuous mode [ 67.251533][ T8608] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.313219][ T8608] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.374709][ T8613] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.382281][ T8613] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.391920][ T8613] device bridge_slave_1 entered promiscuous mode [ 67.413364][ T8608] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.480223][ T8616] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.487441][ T8616] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.495364][ T8616] device bridge_slave_0 entered promiscuous mode [ 67.512537][ T8616] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.519792][ T8616] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.527507][ T8616] device bridge_slave_1 entered promiscuous mode [ 67.571009][ T8611] device hsr_slave_0 entered promiscuous mode [ 67.608670][ T8611] device hsr_slave_1 entered promiscuous mode [ 67.658427][ T8611] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.666126][ T8611] Cannot create hsr debugfs directory [ 67.672128][ T8608] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.737786][ T8613] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.764717][ T8613] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.786703][ T8616] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.816677][ T8613] team0: Port device team_slave_0 added [ 67.825815][ T8616] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.869476][ T8613] team0: Port device team_slave_1 added [ 67.887327][ T8616] team0: Port device team_slave_0 added [ 67.897267][ T8616] team0: Port device team_slave_1 added [ 67.930132][ T8616] device hsr_slave_0 entered promiscuous mode [ 67.979468][ T8616] device hsr_slave_1 entered promiscuous mode [ 68.028374][ T8616] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.035954][ T8616] Cannot create hsr debugfs directory [ 68.120191][ T8613] device hsr_slave_0 entered promiscuous mode [ 68.179155][ T8613] device hsr_slave_1 entered promiscuous mode [ 68.218370][ T8613] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.218400][ T8613] Cannot create hsr debugfs directory [ 68.248048][ T8618] chnl_net:caif_netlink_parms(): no params data found [ 68.266626][ T8611] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.305285][ T8611] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.352371][ T8611] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.432522][ T8611] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.482130][ T8622] chnl_net:caif_netlink_parms(): no params data found [ 68.565465][ T8622] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.575411][ T8622] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.584418][ T8622] device bridge_slave_0 entered promiscuous mode [ 68.594234][ T8622] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.601508][ T8622] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.609520][ T8622] device bridge_slave_1 entered promiscuous mode [ 68.626008][ T8618] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.634888][ T8618] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.643823][ T8618] device bridge_slave_0 entered promiscuous mode [ 68.652210][ T8618] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.659404][ T8618] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.667029][ T8618] device bridge_slave_1 entered promiscuous mode [ 68.698708][ T8618] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.724905][ T8622] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.743405][ T8618] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.767880][ T8622] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.805900][ T8616] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.840796][ T8616] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.905297][ T8616] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.952834][ T8616] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.022333][ T8618] team0: Port device team_slave_0 added [ 69.032395][ T8608] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.053806][ T8618] team0: Port device team_slave_1 added [ 69.068116][ T8622] team0: Port device team_slave_0 added [ 69.079252][ T8622] team0: Port device team_slave_1 added [ 69.104197][ T8608] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.118581][ T8613] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.160506][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.169312][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.240379][ T8618] device hsr_slave_0 entered promiscuous mode [ 69.278582][ T8618] device hsr_slave_1 entered promiscuous mode [ 69.318468][ T8618] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.326149][ T8618] Cannot create hsr debugfs directory [ 69.333506][ T8613] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.420378][ T8622] device hsr_slave_0 entered promiscuous mode [ 69.448756][ T8622] device hsr_slave_1 entered promiscuous mode [ 69.498384][ T8622] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.507799][ T8622] Cannot create hsr debugfs directory [ 69.516863][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.525478][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.534231][ T3019] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.541435][ T3019] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.550848][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.560006][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.568376][ T3019] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.575422][ T3019] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.583230][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.593132][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.612051][ T8613] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.653169][ T8611] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.673841][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.683701][ T8613] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.758181][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.772621][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.781638][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.793404][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.802029][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.810784][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.823409][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.837186][ T8608] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.849411][ T8608] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.876197][ T8611] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.904564][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.916121][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.924772][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.932721][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.976206][ T8616] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.997473][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.006378][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.015329][ T3017] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.022427][ T3017] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.030791][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.039692][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.048083][ T3017] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.055184][ T3017] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.062802][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.071373][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.079232][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.086817][ T3017] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.112356][ T8608] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.126418][ T8616] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.139314][ T2833] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.147287][ T2833] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.156621][ T2833] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.168159][ T8622] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.220891][ T8622] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.283051][ T8622] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.328674][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.337408][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.345917][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.355339][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.364559][ T2804] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.371794][ T2804] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.397367][ T8622] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.432535][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.440705][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.448956][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.457402][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.466551][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.475324][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.484245][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.492712][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.503898][ T8618] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.551802][ T8611] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.570452][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.579683][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.587971][ T2691] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.595116][ T2691] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.605148][ T8618] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.662154][ T8618] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.721019][ T8618] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.801878][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.810112][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.817578][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.826690][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.836445][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.845314][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.865167][ T8613] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.877389][ T8611] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.911204][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.920241][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.960031][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.967873][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.978680][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.987086][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.996528][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.005175][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.013508][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.022281][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.030704][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.051247][ T8616] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.061456][ T8608] device veth0_vlan entered promiscuous mode [ 71.079055][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.086828][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.095209][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.103908][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.112685][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.120994][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.129894][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.137636][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.146212][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.154073][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.171715][ T8613] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.183831][ T8611] device veth0_vlan entered promiscuous mode [ 71.208087][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.217305][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.226100][ T2804] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.233380][ T2804] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.248122][ T8608] device veth1_vlan entered promiscuous mode [ 71.265101][ T8611] device veth1_vlan entered promiscuous mode [ 71.282643][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.291273][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.299943][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.307762][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.316987][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.325419][ T2804] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.332525][ T2804] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.340602][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.348087][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.366400][ T8616] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.381105][ T8622] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.398478][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.398971][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.447485][ T8622] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.466040][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.475506][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.488056][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.503280][ T8618] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.517584][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.527140][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.535646][ T2804] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.543522][ T2804] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.552196][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.560856][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.569813][ T2804] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.576977][ T2804] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.585816][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.614199][ T8618] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.622801][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.632791][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.651245][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.663270][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 176.718223][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.725109][ C0] rcu: 0-...!: (1 GPs behind) idle=f46/1/0x4000000000000002 softirq=13477/13485 fqs=38 [ 176.735203][ C0] (t=10501 jiffies g=7285 q=183) [ 176.740266][ C0] rcu: rcu_preempt kthread starved for 10426 jiffies! g7285 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 176.752247][ C0] rcu: RCU grace-period kthread stack dump: [ 176.758135][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 176.766026][ C0] Call Trace: [ 176.769585][ C0] __schedule+0x9a0/0xcc0 [ 176.773917][ C0] schedule+0x181/0x210 [ 176.778067][ C0] schedule_timeout+0x14f/0x240 [ 176.782910][ C0] ? run_local_timers+0x120/0x120 [ 176.787928][ C0] rcu_gp_kthread+0xed8/0x1770 [ 176.792696][ C0] kthread+0x332/0x350 [ 176.796755][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 176.801856][ C0] ? kthread_blkcg+0xe0/0xe0 [ 176.806446][ C0] ret_from_fork+0x24/0x30 [ 176.810871][ C0] NMI backtrace for cpu 0 [ 176.815191][ C0] CPU: 0 PID: 3019 Comm: kworker/0:52 Not tainted 5.5.0-rc5-syzkaller #0 [ 176.823699][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.833806][ C0] Workqueue: events linkwatch_event [ 176.839106][ C0] Call Trace: [ 176.842573][ C0] [ 176.845445][ C0] dump_stack+0x1fb/0x318 [ 176.849777][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.854645][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 176.860985][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 176.867063][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 176.873054][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 176.878948][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 176.884239][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 176.889457][ C0] ? trace_hardirqs_off+0x74/0x80 [ 176.894486][ C0] update_process_times+0x12d/0x180 [ 176.899683][ C0] tick_sched_timer+0x263/0x420 [ 176.904550][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.910111][ C0] __hrtimer_run_queues+0x403/0x840 [ 176.915360][ C0] hrtimer_interrupt+0x38c/0xda0 [ 176.920325][ C0] ? debug_smp_processor_id+0x9/0x20 [ 176.925738][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 176.931354][ C0] apic_timer_interrupt+0xf/0x20 [ 176.936285][ C0] [ 176.939482][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x48/0x50 [ 176.945642][ C0] Code: 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a 0f 1f 80 00 00 00 00 4c 8b 04 24 65 48 8b 04 25 c0 1d 02 00 65 [ 176.965439][ C0] RSP: 0018:ffffc9000864f6f8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 176.974119][ C0] RAX: ffffffff81489244 RBX: ffffea0002329640 RCX: ffff88809e52e100 [ 176.982111][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002329640 [ 176.990095][ C0] RBP: ffffc9000864f738 R08: dffffc0000000000 R09: fffffbfff124248a [ 176.998083][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880914e4ba0 [ 177.006090][ C0] R13: dffffc0000000000 R14: 1ffff1101229c974 R15: ffff88808ec4b878 [ 177.014731][ C0] ? free_thread_stack+0x124/0x590 [ 177.019851][ C0] ? free_thread_stack+0x124/0x590 [ 177.025324][ C0] put_task_stack+0xa3/0x130 [ 177.029920][ C0] finish_task_switch+0x3f1/0x550 [ 177.034979][ C0] __schedule+0x9a8/0xcc0 [ 177.039324][ C0] ? ___preempt_schedule+0x16/0x18 [ 177.044475][ C0] preempt_schedule+0xdb/0x120 [ 177.049242][ C0] ___preempt_schedule+0x16/0x18 [ 177.054183][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 177.058853][ C0] ? vprintk_emit+0x368/0x3a0 [ 177.063703][ C0] vprintk_emit+0x36d/0x3a0 [ 177.068225][ C0] vprintk_default+0x28/0x30 [ 177.072808][ C0] vprintk_func+0x158/0x170 [ 177.077309][ C0] printk+0x62/0x8d [ 177.081163][ C0] ? addrconf_notify+0xd37/0x3c90 [ 177.086789][ C0] ? addrconf_notify+0x779/0x3c90 [ 177.091900][ C0] addrconf_notify+0x2c8d/0x3c90 [ 177.097227][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 177.102521][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 177.108510][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 177.114049][ C0] ? trace_hardirqs_on+0x74/0x80 [ 177.119096][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 177.124480][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 177.130118][ C0] ? tls_dev_event+0x619/0xc00 [ 177.134886][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 177.140430][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 177.145624][ C0] raw_notifier_call_chain+0xec/0x190 [ 177.150994][ C0] netdev_state_change+0x147/0x1f0 [ 177.156119][ C0] linkwatch_do_dev+0x10e/0x160 [ 177.160968][ C0] __linkwatch_run_queue+0x446/0x730 [ 177.166771][ C0] linkwatch_event+0x4c/0x60 [ 177.171386][ C0] process_one_work+0x7ef/0x10d0 [ 177.176343][ C0] worker_thread+0xc01/0x1630 [ 177.181048][ C0] kthread+0x332/0x350 [ 177.185206][ C0] ? rcu_lock_release+0x30/0x30 [ 177.190047][ C0] ? kthread_blkcg+0xe0/0xe0 [ 177.194630][ C0] ret_from_fork+0x24/0x30