[ 46.276622][ T23] audit: type=1800 audit(1575418462.866:26): pid=8129 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.314440][ T23] audit: type=1800 audit(1575418462.866:27): pid=8129 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 46.348889][ T23] audit: type=1800 audit(1575418462.866:28): pid=8129 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. [ 46.901268][ T23] audit: type=1800 audit(1575418463.506:29): pid=8129 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.37' (ECDSA) to the list of known hosts. 2019/12/04 00:14:32 fuzzer started 2019/12/04 00:14:33 dialing manager at 10.128.0.26:42111 2019/12/04 00:14:33 syscalls: 2689 2019/12/04 00:14:33 code coverage: enabled 2019/12/04 00:14:33 comparison tracing: enabled 2019/12/04 00:14:33 extra coverage: extra coverage is not supported by the kernel 2019/12/04 00:14:33 setuid sandbox: enabled 2019/12/04 00:14:33 namespace sandbox: enabled 2019/12/04 00:14:33 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 00:14:33 fault injection: enabled 2019/12/04 00:14:33 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 00:14:33 net packet injection: enabled 2019/12/04 00:14:33 net device setup: enabled 2019/12/04 00:14:33 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 00:14:33 devlink PCI setup: PCI device 0000:00:10.0 is not available 00:14:34 executing program 0: open(0x0, 0x14103e, 0x0) ioctl$EXT4_IOC_PRECACHE_EXTENTS(0xffffffffffffffff, 0x6612) munmap(&(0x7f000050f000/0x1000)=nil, 0x1000) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) bind$unix(0xffffffffffffffff, &(0x7f0000003000)=@file={0x0, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'team0\x00'}) r0 = socket$inet6(0xa, 0x802, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f00000001c0)={@rand_addr="c84b735dfd6a7e364f1bd2500d523c7d", 0x800, 0x2, 0x0, 0x0, 0x500, 0x500}, 0x20) 00:14:34 executing program 1: sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000001440)=ANY=[@ANYBLOB="200000006800032500000000a90300000200000000000000080005000200000000000001f36b6744254ffe2e4173f657dcd8d2476d04795bd3bfc6afb407dcb7d4380144abbbb4bc9481b435845656e6f859b78cc7d5fae9a6180e9485b06f1ffb80abb4b501000000000c6d757a3ccfa13467b13edfa6014ad02808a5605d1b73d76ea549012287087c9acc01ec20b742f70000000000000076dc99133f08000000382b013034197c9ffa10d6f56c338fe8f6d77505d76a2b09317034abef015aa5a0e80a088ea01a35d1379de0190f43ea54e58966dd6b696733139b64e8d84d2864c900000000000000", @ANYRES32=0x0], 0x20}}, 0x0) r0 = socket(0x10, 0x80002, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) sendmmsg$alg(r0, &(0x7f0000000140)=[{0x6, 0x0, &(0x7f0000000100), 0x6, &(0x7f0000000100)}], 0x218fe53f1794f59, 0x0) syzkaller login: [ 58.297109][ T8292] IPVS: ftp: loaded support on port[0] = 21 [ 58.462827][ T8294] IPVS: ftp: loaded support on port[0] = 21 [ 58.488070][ T8292] chnl_net:caif_netlink_parms(): no params data found 00:14:35 executing program 2: setuid(0xee00) r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000280)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000080)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_IP(r0, &(0x7f0000000100)={0x3, 0x40, 0xfa00, {{0xa, 0x10, 0x0, @empty}, {0xa, 0x0, 0x0, @mcast2}, r1}}, 0x48) [ 58.587223][ T8292] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.609348][ T8292] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.617503][ T8292] device bridge_slave_0 entered promiscuous mode [ 58.640375][ T8292] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.647466][ T8292] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.671032][ T8292] device bridge_slave_1 entered promiscuous mode 00:14:35 executing program 3: syz_open_dev$evdev(&(0x7f0000000040)='/dev/input/event#\x00', 0x0, 0x0) io_setup(0x5f, &(0x7f00000000c0)=0x0) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140)='/dev/net/tun\x00', 0x806, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000000)={'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\r', 0x20000005002}) io_submit(r0, 0x8, &(0x7f0000000280)=[&(0x7f0000000180)={0x0, 0x0, 0x0, 0x800000000001, 0x0, r1, &(0x7f0000000040), 0x65}]) [ 58.751291][ T8292] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.767494][ T8298] IPVS: ftp: loaded support on port[0] = 21 [ 58.787613][ T8292] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.811650][ T8294] chnl_net:caif_netlink_parms(): no params data found [ 58.893220][ T8292] team0: Port device team_slave_0 added [ 58.925844][ T8292] team0: Port device team_slave_1 added [ 58.980327][ T8294] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.987413][ T8294] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.010566][ T8294] device bridge_slave_0 entered promiscuous mode 00:14:35 executing program 4: timer_gettime(0x0, 0x0) [ 59.031125][ T8294] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.038182][ T8294] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.070100][ T8294] device bridge_slave_1 entered promiscuous mode [ 59.121896][ T8292] device hsr_slave_0 entered promiscuous mode [ 59.159566][ T8292] device hsr_slave_1 entered promiscuous mode [ 59.215616][ T8301] IPVS: ftp: loaded support on port[0] = 21 00:14:35 executing program 5: syz_mount_image$ext4(&(0x7f0000000040)='ext2\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000000)=[{&(0x7f0000000140)="25bca274769e620aa73dfa0095e0612687463915e38802a9d8aea872843afd874e2f98b479a7316270146d0e02f8e63ca8863cd7dcc6760253ef72dbd99f75d7b7061ada8c53092800f298eaf9d2b8c1898db688b11d78b5d28c8a0ba745a5ab7702b0763afb", 0x66, 0x400}], 0x0, &(0x7f0000000440)={[{@jqfmt_vfsv0='jqfmt=vfsv0'}]}) [ 59.262346][ T8294] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.327701][ T8303] IPVS: ftp: loaded support on port[0] = 21 [ 59.343539][ T8294] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.368425][ T8298] chnl_net:caif_netlink_parms(): no params data found [ 59.397591][ T8306] IPVS: ftp: loaded support on port[0] = 21 [ 59.434530][ T8292] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.492868][ T8292] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.543657][ T8294] team0: Port device team_slave_0 added [ 59.555589][ T8294] team0: Port device team_slave_1 added [ 59.566159][ T8292] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.623645][ T8292] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.717851][ T8298] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.726069][ T8298] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.734051][ T8298] device bridge_slave_0 entered promiscuous mode [ 59.745803][ T8298] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.753231][ T8298] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.761018][ T8298] device bridge_slave_1 entered promiscuous mode [ 59.785002][ T8298] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.832445][ T8298] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.871919][ T8294] device hsr_slave_0 entered promiscuous mode [ 59.919728][ T8294] device hsr_slave_1 entered promiscuous mode [ 59.969845][ T8294] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.994336][ T8301] chnl_net:caif_netlink_parms(): no params data found [ 60.069654][ T8298] team0: Port device team_slave_0 added [ 60.092785][ T8303] chnl_net:caif_netlink_parms(): no params data found [ 60.104366][ T8298] team0: Port device team_slave_1 added [ 60.114407][ T8294] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.161462][ T8301] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.168541][ T8301] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.176466][ T8301] device bridge_slave_0 entered promiscuous mode [ 60.251449][ T8298] device hsr_slave_0 entered promiscuous mode [ 60.299672][ T8298] device hsr_slave_1 entered promiscuous mode [ 60.349420][ T8298] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.357050][ T8294] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.411556][ T8301] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.418640][ T8301] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.427159][ T8301] device bridge_slave_1 entered promiscuous mode [ 60.451216][ T8294] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.507057][ T8294] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.567589][ T8306] chnl_net:caif_netlink_parms(): no params data found [ 60.588154][ T8301] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.623592][ T8298] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.661679][ T8301] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.671085][ T8303] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.678129][ T8303] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.685876][ T8303] device bridge_slave_0 entered promiscuous mode [ 60.697858][ T8303] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.706199][ T8303] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.714186][ T8303] device bridge_slave_1 entered promiscuous mode [ 60.726255][ T8298] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.788879][ T8292] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.802742][ T8298] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.867472][ T8298] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.929908][ T8301] team0: Port device team_slave_0 added [ 60.937162][ T8303] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.949118][ T8303] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.966662][ T8306] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.974670][ T8306] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.982612][ T8306] device bridge_slave_0 entered promiscuous mode [ 60.998308][ T8301] team0: Port device team_slave_1 added [ 61.013811][ T8306] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.021279][ T8306] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.028852][ T8306] device bridge_slave_1 entered promiscuous mode [ 61.058364][ T8303] team0: Port device team_slave_0 added [ 61.072951][ T1109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.081521][ T1109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.093026][ T8292] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.101455][ T8306] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.125628][ T8303] team0: Port device team_slave_1 added [ 61.134426][ T8306] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.182642][ T8301] device hsr_slave_0 entered promiscuous mode [ 61.219804][ T8301] device hsr_slave_1 entered promiscuous mode [ 61.259414][ T8301] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.332481][ T8303] device hsr_slave_0 entered promiscuous mode [ 61.379595][ T8303] device hsr_slave_1 entered promiscuous mode [ 61.419373][ T8303] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.428694][ T1109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.437696][ T1109] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.446334][ T1109] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.453721][ T1109] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.462860][ T1109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.471557][ T1109] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.480194][ T1109] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.487235][ T1109] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.514569][ T8298] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.531837][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.540320][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.548787][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.557734][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.566970][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.576625][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.586191][ T8306] team0: Port device team_slave_0 added [ 61.594712][ T8306] team0: Port device team_slave_1 added [ 61.604288][ T8294] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.655743][ T8294] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.673011][ T8303] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.721986][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.731484][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.740482][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.748079][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.755945][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.764375][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.772940][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.781628][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.790082][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.797271][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.818558][ T8292] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.830855][ T8292] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.839500][ T8301] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.906884][ T8303] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.950963][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.958822][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.967058][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.974941][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.983640][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.992359][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.001154][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.009543][ T3069] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.016673][ T3069] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.024411][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.071905][ T8306] device hsr_slave_0 entered promiscuous mode [ 62.110044][ T8306] device hsr_slave_1 entered promiscuous mode [ 62.169518][ T8306] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.178851][ T8298] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.191341][ T8301] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.241179][ T8301] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.300779][ T8303] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.365465][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.374604][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.386018][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.396164][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.404397][ T8301] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.431987][ T8303] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.473706][ T1109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.482933][ T1109] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.510692][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.519502][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.527779][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.534865][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.544055][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.552736][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.561209][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.568417][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.577937][ T8310] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.585955][ T8310] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.594400][ T8310] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.614256][ T8306] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.661826][ T8306] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.743297][ T8294] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.754680][ T8294] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.763911][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.774575][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.783578][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.793117][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.802414][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.811383][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.820456][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.828474][ T8306] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.899642][ T8297] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.908272][ T8297] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.917162][ T8297] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.926515][ T8297] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.934906][ T8297] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.942582][ T8297] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.950244][ T8297] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.957770][ T8297] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.967105][ T8306] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 63.022810][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.031582][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.042177][ T8298] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.054360][ T8292] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.092996][ T8294] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.120108][ T8303] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.137823][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.145895][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.162485][ T8298] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.178461][ T8303] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.195391][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.203713][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.219311][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.228278][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.237188][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.245525][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.254435][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.263354][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.272198][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.279298][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.286949][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.317855][ T8306] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.367176][ T8301] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.380853][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.389872][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.405248][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.414880][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.429376][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.438285][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.452786][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 168.399222][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 168.406014][ C0] rcu: 0-...!: (1 GPs behind) idle=246/1/0x4000000000000002 softirq=12617/12618 fqs=34 [ 168.415982][ C0] (t=10500 jiffies g=6693 q=96) [ 168.420916][ C0] rcu: rcu_preempt kthread starved for 10427 jiffies! g6693 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 168.431999][ C0] rcu: RCU grace-period kthread stack dump: [ 168.437872][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 168.445761][ C0] Call Trace: [ 168.449049][ C0] __schedule+0x9a0/0xcc0 [ 168.453374][ C0] schedule+0x181/0x210 [ 168.457529][ C0] schedule_timeout+0x14f/0x240 [ 168.462367][ C0] ? run_local_timers+0x120/0x120 [ 168.467387][ C0] rcu_gp_kthread+0xed8/0x1770 [ 168.472164][ C0] kthread+0x332/0x350 [ 168.476230][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 168.481331][ C0] ? kthread_blkcg+0xe0/0xe0 [ 168.485914][ C0] ret_from_fork+0x24/0x30 [ 168.490330][ C0] NMI backtrace for cpu 0 [ 168.494649][ C0] CPU: 0 PID: 8317 Comm: blkid Not tainted 5.4.0-syzkaller #0 [ 168.502257][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.512300][ C0] Call Trace: [ 168.515571][ C0] [ 168.518414][ C0] dump_stack+0x1fb/0x318 [ 168.522739][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 168.527578][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 168.533724][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 168.539796][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 168.545769][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 168.551657][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 168.556766][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 168.561973][ C0] ? trace_hardirqs_off+0x74/0x80 [ 168.567026][ C0] update_process_times+0x12d/0x180 [ 168.572245][ C0] tick_sched_timer+0x263/0x420 [ 168.577153][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.582746][ C0] __hrtimer_run_queues+0x403/0x840 [ 168.587963][ C0] hrtimer_interrupt+0x38c/0xda0 [ 168.592927][ C0] ? debug_smp_processor_id+0x9/0x20 [ 168.598230][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 168.603805][ C0] apic_timer_interrupt+0xf/0x20 [ 168.608756][ C0] [ 168.611727][ C0] RIP: 0010:free_thread_stack+0x133/0x590 [ 168.617583][ C0] Code: 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 06 a2 60 00 e9 5d 04 00 00 e8 5c 2d 2e 00 48 89 df 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 43 a4 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 168.637208][ C0] RSP: 0018:ffffc900021f79f0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.645636][ C0] RAX: 0000000000000001 RBX: ffffea000289b700 RCX: 0000000000000000 [ 168.653624][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000289b700 [ 168.661608][ C0] RBP: ffffc900021f7a28 R08: 000000000003a768 R09: ffffed101325f717 [ 168.669589][ C0] R10: ffffed101325f717 R11: 0000000000000000 R12: ffff8880a25fc7a0 [ 168.677576][ C0] R13: dffffc0000000000 R14: 1ffff110144bf8f4 R15: ffff8880992fb8a8 [ 168.685603][ C0] put_task_stack+0xa3/0x130 [ 168.690190][ C0] finish_task_switch+0x3f1/0x550 [ 168.695234][ C0] __schedule+0x9a8/0xcc0 [ 168.699595][ C0] ? ___preempt_schedule+0x16/0x18 [ 168.704710][ C0] preempt_schedule+0xdb/0x120 [ 168.709502][ C0] ___preempt_schedule+0x16/0x18 [ 168.714452][ C0] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 168.720104][ C0] __wake_up_sync_key+0xe2/0x150 [ 168.725218][ C0] pipe_release+0x17b/0x330 [ 168.729842][ C0] ? fifo_open+0xc70/0xc70 [ 168.734375][ C0] __fput+0x2e4/0x740 [ 168.738363][ C0] ____fput+0x15/0x20 [ 168.742356][ C0] task_work_run+0x17e/0x1b0 [ 168.746959][ C0] do_exit+0x5c4/0x2020 [ 168.751113][ C0] ? check_preemption_disabled+0xb4/0x260 [ 168.756951][ C0] do_group_exit+0x15c/0x2b0 [ 168.761595][ C0] __do_sys_exit_group+0x17/0x20 [ 168.766543][ C0] __se_sys_exit_group+0x14/0x20 [ 168.771478][ C0] __x64_sys_exit_group+0x3b/0x40 [ 168.776493][ C0] do_syscall_64+0xf7/0x1c0 [ 168.781150][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.787054][ C0] RIP: 0033:0x7f3a8a5c71e8 [ 168.791478][ C0] Code: Bad RIP value. [ 168.796137][ C0] RSP: 002b:00007fff162b72b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 168.804534][ C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3a8a5c71e8 [ 168.812501][ C0] RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 [ 168.820463][ C0] RBP: 00007f3a8a89c840 R08: 00000000000000e7 R09: ffffffffffffffa8 [ 168.828861][ C0] R10: 00007f3a8a8a2740 R11: 0000000000000246 R12: 00007f3a8a89c840 [ 168.836825][ C0] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000