[ 42.412274][ T25] audit: type=1800 audit(1575335538.328:27): pid=7849 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.459069][ T25] audit: type=1800 audit(1575335538.348:28): pid=7849 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. [ 42.941503][ T25] audit: type=1800 audit(1575335538.918:29): pid=7849 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 42.961177][ T25] audit: type=1800 audit(1575335538.918:30): pid=7849 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.12' (ECDSA) to the list of known hosts. 2019/12/03 01:12:28 fuzzer started 2019/12/03 01:12:30 dialing manager at 10.128.0.26:38907 2019/12/03 01:12:30 syscalls: 2697 2019/12/03 01:12:30 code coverage: enabled 2019/12/03 01:12:30 comparison tracing: enabled 2019/12/03 01:12:30 extra coverage: extra coverage is not supported by the kernel 2019/12/03 01:12:30 setuid sandbox: enabled 2019/12/03 01:12:30 namespace sandbox: enabled 2019/12/03 01:12:30 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 01:12:30 fault injection: enabled 2019/12/03 01:12:30 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 01:12:30 net packet injection: enabled 2019/12/03 01:12:30 net device setup: enabled 2019/12/03 01:12:30 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 01:12:30 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:12:31 executing program 0: r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000c34000)={0xaa, 0x84}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000b4e000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) r1 = gettid() process_vm_writev(r1, &(0x7f0000000280)=[{&(0x7f0000000580)=""/4096, 0x1000}], 0x1, &(0x7f0000c22fa0)=[{&(0x7f00007a9000)=""/1, 0x364}], 0x1, 0x0) 01:12:31 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000004c0)=ANY=[@ANYBLOB="4800000010000d07cdd87d345d28000000000000", @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c0001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="aaf200000700"/19], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000054c0)=ANY=[@ANYBLOB="740000002400070500"/20, @ANYRES32=r3, @ANYBLOB="00000000ffffffff00000000080001007366710048000229c6090032d0ed64f3c3545aaf6e000085a4e4ebb5ef6700"/96], 0x74}}, 0x0) perf_event_open(&(0x7f0000000440)={0x0, 0x70, 0x0, 0x2, 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, 0xffffffffffffffff, 0xffffffffffffffff, 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_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="840000002c00010700"/20, @ANYRES32=r3, @ANYBLOB="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"], 0x84}}, 0x0) r4 = socket(0x10, 0x3, 0x0) sendmmsg$alg(r4, &(0x7f0000000140), 0x4924b68, 0x0) syzkaller login: [ 55.461396][ T8013] IPVS: ftp: loaded support on port[0] = 21 [ 55.489194][ T8015] IPVS: ftp: loaded support on port[0] = 21 01:12:31 executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) close(r0) socket(0x840000000002, 0x3, 0xff) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000080)='ip6_vti0\x00 \x00', 0x10) connect$inet(r0, &(0x7f0000000200)={0x2, 0x0, @initdev}, 0x10) write$binfmt_elf32(r0, &(0x7f0000000140)=ANY=[@ANYBLOB="4ef27f45294600000011086c02000000000000000144100555c2cdee6fdd0298f0bb26a71166010000003800000004000000130a000b0000"], 0x38) [ 55.684535][ T8013] chnl_net:caif_netlink_parms(): no params data found [ 55.706085][ T8015] chnl_net:caif_netlink_parms(): no params data found [ 55.726690][ T8019] IPVS: ftp: loaded support on port[0] = 21 [ 55.791621][ T8013] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.801528][ T8013] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.809725][ T8013] device bridge_slave_0 entered promiscuous mode 01:12:31 executing program 3: sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x3, 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, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) lsetxattr$security_selinux(&(0x7f0000000880)='./file0\x00', &(0x7f0000000400)='security.selinux\x00', 0x0, 0x0, 0x0) openat$dlm_control(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000680)={@empty, @initdev}, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x800, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x22) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000300)={@mcast2}, 0x20) connect$inet6(0xffffffffffffffff, 0x0, 0x0) [ 55.843747][ T8015] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.852599][ T8015] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.862431][ T8015] device bridge_slave_0 entered promiscuous mode [ 55.870378][ T8013] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.877461][ T8013] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.888008][ T8013] device bridge_slave_1 entered promiscuous mode [ 55.901226][ T8015] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.908284][ T8015] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.916889][ T8015] device bridge_slave_1 entered promiscuous mode [ 55.972487][ T8013] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.015679][ T8015] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.029906][ T8013] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.066225][ T8015] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.092504][ T8019] chnl_net:caif_netlink_parms(): no params data found [ 56.104060][ T8013] team0: Port device team_slave_0 added [ 56.117097][ T8015] team0: Port device team_slave_0 added [ 56.145166][ T8013] team0: Port device team_slave_1 added [ 56.153424][ T8015] team0: Port device team_slave_1 added 01:12:32 executing program 4: socket(0x1e, 0x4, 0x0) r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c004500a, &(0x7f0000000300)) socket$xdp(0x2c, 0x3, 0x0) pipe(&(0x7f0000001280)) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 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) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000140)={0x1ff}, 0x0, 0x0) [ 56.192331][ T8022] IPVS: ftp: loaded support on port[0] = 21 [ 56.263795][ T8013] device hsr_slave_0 entered promiscuous mode [ 56.338773][ T8013] device hsr_slave_1 entered promiscuous mode 01:12:32 executing program 5: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000180)={'nr0\x01\x00', 0x4009}) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup3(r2, r1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$TUNSETLINK(r0, 0x400454cd, 0x336) close(r0) [ 56.430971][ T8015] device hsr_slave_0 entered promiscuous mode [ 56.488740][ T8015] device hsr_slave_1 entered promiscuous mode [ 56.538739][ T8015] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.556208][ T8024] IPVS: ftp: loaded support on port[0] = 21 [ 56.567409][ T8019] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.574564][ T8019] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.582164][ T8019] device bridge_slave_0 entered promiscuous mode [ 56.607433][ T8026] IPVS: ftp: loaded support on port[0] = 21 [ 56.620629][ T8019] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.627682][ T8019] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.635476][ T8019] device bridge_slave_1 entered promiscuous mode [ 56.661350][ T8019] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.701289][ T8019] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.720740][ T8015] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.781612][ T8015] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.812007][ T8013] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.883332][ T8019] team0: Port device team_slave_0 added [ 56.895013][ T8015] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.950781][ T8013] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.992213][ T8013] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.052286][ T8013] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.103541][ T8019] team0: Port device team_slave_1 added [ 57.110983][ T8015] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.210442][ T8019] device hsr_slave_0 entered promiscuous mode [ 57.238826][ T8019] device hsr_slave_1 entered promiscuous mode [ 57.298599][ T8019] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.387196][ T8022] chnl_net:caif_netlink_parms(): no params data found [ 57.429228][ T8024] chnl_net:caif_netlink_parms(): no params data found [ 57.483294][ T8022] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.494103][ T8022] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.502663][ T8022] device bridge_slave_0 entered promiscuous mode [ 57.513018][ T8022] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.520781][ T8022] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.530487][ T8022] device bridge_slave_1 entered promiscuous mode [ 57.537359][ T8026] chnl_net:caif_netlink_parms(): no params data found [ 57.549719][ T8019] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.581293][ T8019] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.644063][ T8019] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.684394][ T8019] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.768042][ T8015] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.811253][ T8026] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.818396][ T8026] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.826583][ T8026] device bridge_slave_0 entered promiscuous mode [ 57.834628][ T8026] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.841767][ T8026] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.850067][ T8026] device bridge_slave_1 entered promiscuous mode [ 57.858102][ T8022] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.867328][ T8024] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.874568][ T8024] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.883242][ T8024] device bridge_slave_0 entered promiscuous mode [ 57.892844][ T8024] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.899998][ T8024] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.907627][ T8024] device bridge_slave_1 entered promiscuous mode [ 57.929258][ T8022] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.952108][ T8024] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.963478][ T8024] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.974121][ T8026] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.002882][ T8024] team0: Port device team_slave_0 added [ 58.011498][ T8024] team0: Port device team_slave_1 added [ 58.018990][ T8026] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.034498][ T8013] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.044220][ T8022] team0: Port device team_slave_0 added [ 58.051619][ T8022] team0: Port device team_slave_1 added [ 58.101905][ T8022] device hsr_slave_0 entered promiscuous mode [ 58.158929][ T8022] device hsr_slave_1 entered promiscuous mode [ 58.208572][ T8022] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.232185][ T8026] team0: Port device team_slave_0 added [ 58.241890][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.250279][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.259623][ T8015] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.272728][ T8026] team0: Port device team_slave_1 added [ 58.310800][ T8024] device hsr_slave_0 entered promiscuous mode [ 58.348879][ T8024] device hsr_slave_1 entered promiscuous mode [ 58.388588][ T8024] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.439570][ T3751] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.448052][ T3751] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.456664][ T3751] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.464003][ T3751] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.472183][ T3751] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.480395][ T3751] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.487906][ T3751] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.496454][ T3751] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.504693][ T3751] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.511802][ T3751] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.519729][ T3751] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.528774][ T3751] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.544073][ T8013] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.651324][ T8026] device hsr_slave_0 entered promiscuous mode [ 58.709835][ T8026] device hsr_slave_1 entered promiscuous mode [ 58.778561][ T8026] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.793922][ T8019] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.801582][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.810732][ T8024] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 58.883780][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.892980][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.902792][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.909895][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.917511][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.926082][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.934382][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.941578][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.949174][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.957524][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.966181][ T8022] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.012155][ T8022] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.070654][ T8022] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.110405][ T8024] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.150954][ T8024] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.190992][ T8024] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.233942][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.242784][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.251632][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.260323][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.276529][ T8015] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.287723][ T8015] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.300115][ T8022] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.350117][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.358894][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.367199][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.375560][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.384411][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.392956][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.401152][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.411033][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.419484][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.427804][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.446746][ T8019] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.459841][ T8026] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.482347][ T8026] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.510930][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.518747][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.526382][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.534206][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.541780][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.550703][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.559192][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.567321][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.578819][ T8013] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.597361][ T8015] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.606236][ T8026] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.641108][ T8026] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 59.690585][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.698049][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.741131][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.750931][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.759630][ T8031] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.766748][ T8031] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.774554][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.783352][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.792188][ T8031] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.799430][ T8031] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.807360][ T8031] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.847396][ T8013] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.866316][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.875248][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.893451][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 164.958435][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.965481][ C0] rcu: 0-...!: (10500 ticks this GP) idle=f52/1/0x4000000000000002 softirq=11572/11572 fqs=39 [ 164.976043][ C0] (t=10501 jiffies g=6049 q=63) [ 164.980972][ C0] rcu: rcu_preempt kthread starved for 10424 jiffies! g6049 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 164.992055][ C0] rcu: RCU grace-period kthread stack dump: [ 164.997928][ C0] rcu_preempt R running task 28992 10 2 0x80004000 [ 165.005812][ C0] Call Trace: [ 165.009108][ C0] __schedule+0x9a0/0xcc0 [ 165.013432][ C0] schedule+0x181/0x210 [ 165.017575][ C0] schedule_timeout+0x14f/0x240 [ 165.022414][ C0] ? run_local_timers+0x120/0x120 [ 165.027431][ C0] rcu_gp_kthread+0xed8/0x1770 [ 165.032191][ C0] kthread+0x332/0x350 [ 165.036244][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.041344][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.045919][ C0] ret_from_fork+0x24/0x30 [ 165.050942][ C0] NMI backtrace for cpu 0 [ 165.055259][ C0] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-syzkaller #0 [ 165.063040][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.073611][ C0] Workqueue: events linkwatch_event [ 165.078789][ C0] Call Trace: [ 165.082061][ C0] [ 165.084900][ C0] dump_stack+0x1fb/0x318 [ 165.089225][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.094070][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.100210][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.106259][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.112315][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.118193][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.123300][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.128489][ C0] ? trace_hardirqs_off+0x74/0x80 [ 165.133500][ C0] update_process_times+0x12d/0x180 [ 165.138686][ C0] tick_sched_timer+0x263/0x420 [ 165.143521][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.149052][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.154253][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.159195][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.164478][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.170007][ C0] apic_timer_interrupt+0xf/0x20 [ 165.175018][ C0] [ 165.177943][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 165.184176][ C0] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 34 e7 cc 07 48 89 de e8 64 02 3b 00 5b 5d c3 cc <48> 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e f7 c2 [ 165.203764][ C0] RSP: 0018:ffffc90000d2f6c8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.212160][ C0] RAX: 1ffffd4000545f7f RBX: 0000000000000000 RCX: ffff8880a9dee300 [ 165.220116][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a2fbc0 [ 165.228160][ C0] RBP: ffffc90000d2f6f0 R08: dffffc0000000000 R09: fffffbfff120248a [ 165.236115][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: dffffc0000000000 [ 165.244071][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a85ff568 [ 165.252080][ C0] ? free_thread_stack+0x124/0x590 [ 165.257183][ C0] ? mod_memcg_page_state+0x123/0x190 [ 165.262559][ C0] free_thread_stack+0x168/0x590 [ 165.267496][ C0] put_task_stack+0xa3/0x130 [ 165.272088][ C0] finish_task_switch+0x3f1/0x550 [ 165.277119][ C0] __schedule+0x9a8/0xcc0 [ 165.281463][ C0] ? ___preempt_schedule+0x16/0x18 [ 165.286660][ C0] preempt_schedule+0xdb/0x120 [ 165.291414][ C0] ___preempt_schedule+0x16/0x18 [ 165.296427][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 165.301092][ C0] ? vprintk_emit+0x368/0x3a0 [ 165.305759][ C0] vprintk_emit+0x36d/0x3a0 [ 165.310258][ C0] vprintk_default+0x28/0x30 [ 165.314835][ C0] vprintk_func+0x158/0x170 [ 165.319343][ C0] printk+0x62/0x8d [ 165.323143][ C0] ? addrconf_notify+0xd37/0x3c90 [ 165.328170][ C0] ? addrconf_notify+0x779/0x3c90 [ 165.333186][ C0] addrconf_notify+0x2c8d/0x3c90 [ 165.338115][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 165.343402][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 165.348763][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 165.354294][ C0] ? trace_hardirqs_on+0x74/0x80 [ 165.359218][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 165.364573][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 165.370103][ C0] ? tls_dev_event+0x619/0xc00 [ 165.374856][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 165.380385][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 165.385574][ C0] raw_notifier_call_chain+0xec/0x190 [ 165.390938][ C0] netdev_state_change+0x147/0x1f0 [ 165.396061][ C0] linkwatch_do_dev+0x10e/0x160 [ 165.400915][ C0] __linkwatch_run_queue+0x446/0x730 [ 165.406206][ C0] linkwatch_event+0x4c/0x60 [ 165.410793][ C0] process_one_work+0x7ef/0x10d0 [ 165.415734][ C0] worker_thread+0xc01/0x1630 [ 165.420418][ C0] kthread+0x332/0x350 [ 165.424472][ C0] ? rcu_lock_release+0x30/0x30 [ 165.429307][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.433899][ C0] ret_from_fork+0x24/0x30