[ 40.875922][ T23] audit: type=1800 audit(1575355984.042:26): pid=7969 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 40.905806][ T23] audit: type=1800 audit(1575355984.042:27): pid=7969 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 40.945963][ T23] audit: type=1800 audit(1575355984.042:28): pid=7969 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. [ 41.716308][ T23] audit: type=1800 audit(1575355984.902:29): pid=7969 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 '10.128.10.8' (ECDSA) to the list of known hosts. 2019/12/03 06:53:16 fuzzer started 2019/12/03 06:53:17 dialing manager at 10.128.0.26:38907 2019/12/03 06:53:17 syscalls: 2697 2019/12/03 06:53:17 code coverage: enabled 2019/12/03 06:53:17 comparison tracing: enabled 2019/12/03 06:53:17 extra coverage: extra coverage is not supported by the kernel 2019/12/03 06:53:17 setuid sandbox: enabled 2019/12/03 06:53:17 namespace sandbox: enabled 2019/12/03 06:53:17 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 06:53:17 fault injection: enabled 2019/12/03 06:53:17 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 06:53:17 net packet injection: enabled 2019/12/03 06:53:17 net device setup: enabled 2019/12/03 06:53:17 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 06:53:17 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:53:18 executing program 0: perf_event_open(&(0x7f00000001c0)={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_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000500)={0x7, 0x4, 0x8, 0xf1a}, 0x3c) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f0000000100)={r0, 0x0, 0x0}, 0x20) 06:53:19 executing program 1: 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, 0xf7ffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1000000000002, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup2(r2, r0) sendmsg$netlink(r3, &(0x7f0000028fc8)={0x0, 0x0, &(0x7f0000019000)}, 0x0) recvmmsg(r1, &(0x7f00000038c0), 0x3fffffffffffdf5, 0x62, 0x0) syzkaller login: [ 55.862621][ T8136] IPVS: ftp: loaded support on port[0] = 21 06:53:19 executing program 2: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x200000000000013, &(0x7f0000000040)=0x480100000001, 0x4) connect$inet6(r0, &(0x7f0000000080), 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(r0, 0x6, 0x16, &(0x7f0000000440), 0x12f85e) clone(0x2000000002000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r1 = gettid() setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000000)={@ipv4={[], [], @multicast1}}, 0x20) ptrace$setopts(0x4206, r1, 0x0, 0x0) tkill(r1, 0x19) wait4(0x0, 0x0, 0x0, 0x0) [ 56.008132][ T8139] IPVS: ftp: loaded support on port[0] = 21 [ 56.026932][ T8136] chnl_net:caif_netlink_parms(): no params data found [ 56.104245][ T8136] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.111986][ T8136] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.120916][ T8136] device bridge_slave_0 entered promiscuous mode [ 56.159068][ T8136] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.166632][ T8136] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.174455][ T8136] device bridge_slave_1 entered promiscuous mode [ 56.207778][ T8136] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.218939][ T8136] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.241419][ T8136] team0: Port device team_slave_0 added [ 56.256620][ T8139] chnl_net:caif_netlink_parms(): no params data found [ 56.266035][ T8136] team0: Port device team_slave_1 added [ 56.278593][ T8142] IPVS: ftp: loaded support on port[0] = 21 06:53:19 executing program 3: r0 = socket$packet(0x11, 0x3, 0x300) getsockopt$packet_int(r0, 0x107, 0xf, 0x0, &(0x7f00000003c0)) [ 56.377729][ T8136] device hsr_slave_0 entered promiscuous mode [ 56.417026][ T8136] device hsr_slave_1 entered promiscuous mode [ 56.474011][ T8139] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.482933][ T8139] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.499284][ T8139] device bridge_slave_0 entered promiscuous mode [ 56.512402][ T8139] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.519595][ T8139] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.527485][ T8139] device bridge_slave_1 entered promiscuous mode [ 56.541691][ T8144] IPVS: ftp: loaded support on port[0] = 21 [ 56.568907][ T8139] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.585813][ T8139] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 06:53:19 executing program 4: clone(0x41fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = getpid() rt_tgsigqueueinfo(r0, r0, 0x16, &(0x7f00000000c0)) ptrace(0x10, r0) ptrace$getregset(0x4207, r0, 0x0, 0x0) [ 56.625745][ T8136] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.692634][ T8136] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.737184][ T8136] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.788417][ T8136] netdevsim netdevsim0 netdevsim3: renamed from eth3 06:53:20 executing program 5: r0 = syz_open_dev$video4linux(&(0x7f0000000080)='/dev/v4l-subdev#\x00', 0x200000003, 0x0) ioctl$VIDIOC_SUBDEV_S_FMT(r0, 0xc0585605, &(0x7f0000000000)={0x0, 0x0, {0x0, 0x0, 0x3013}}) [ 56.902091][ T8139] team0: Port device team_slave_0 added [ 56.918301][ T8146] IPVS: ftp: loaded support on port[0] = 21 [ 56.959056][ T8139] team0: Port device team_slave_1 added [ 56.968345][ T8142] chnl_net:caif_netlink_parms(): no params data found [ 56.991832][ T8149] IPVS: ftp: loaded support on port[0] = 21 [ 57.086937][ T8139] device hsr_slave_0 entered promiscuous mode [ 57.135799][ T8139] device hsr_slave_1 entered promiscuous mode [ 57.195286][ T8139] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.203107][ T8142] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.210722][ T8142] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.218630][ T8142] device bridge_slave_0 entered promiscuous mode [ 57.227830][ T8142] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.234864][ T8142] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.242634][ T8142] device bridge_slave_1 entered promiscuous mode [ 57.250377][ T8136] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.257515][ T8136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.265207][ T8136] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.272248][ T8136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.288345][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.296191][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.332920][ T8139] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.378095][ T8139] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.437463][ T8142] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.453484][ T8139] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.487899][ T8139] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.537953][ T8142] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.570711][ T8142] team0: Port device team_slave_0 added [ 57.607500][ T8144] chnl_net:caif_netlink_parms(): no params data found [ 57.620062][ T8142] team0: Port device team_slave_1 added [ 57.678607][ T8142] device hsr_slave_0 entered promiscuous mode [ 57.715500][ T8142] device hsr_slave_1 entered promiscuous mode [ 57.755182][ T8142] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.800426][ T8146] chnl_net:caif_netlink_parms(): no params data found [ 57.812983][ T8144] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.820211][ T8144] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.827727][ T8144] device bridge_slave_0 entered promiscuous mode [ 57.835477][ T8144] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.842525][ T8144] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.850371][ T8144] device bridge_slave_1 entered promiscuous mode [ 57.898700][ T8146] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.906188][ T8146] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.913939][ T8146] device bridge_slave_0 entered promiscuous mode [ 57.921747][ T8146] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.928855][ T8146] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.936622][ T8146] device bridge_slave_1 entered promiscuous mode [ 57.979189][ T8144] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.992407][ T8144] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.032468][ T8146] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.053985][ T8144] team0: Port device team_slave_0 added [ 58.061409][ T8142] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.109816][ T8136] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.118664][ T8142] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.177240][ T8142] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.228161][ T8146] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.239266][ T8144] team0: Port device team_slave_1 added [ 58.258757][ T8146] team0: Port device team_slave_0 added [ 58.265873][ T8146] team0: Port device team_slave_1 added [ 58.273550][ T8142] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.368564][ T8144] device hsr_slave_0 entered promiscuous mode [ 58.405546][ T8144] device hsr_slave_1 entered promiscuous mode [ 58.445227][ T8144] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.462636][ T8149] chnl_net:caif_netlink_parms(): no params data found [ 58.490729][ T8139] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.519316][ T8146] device hsr_slave_0 entered promiscuous mode [ 58.565379][ T8146] device hsr_slave_1 entered promiscuous mode [ 58.605166][ T8146] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.647396][ T8144] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.696942][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.705323][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.713238][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.720948][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.734977][ T8139] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.757161][ T8144] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.822361][ T8149] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.829609][ T8149] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.838114][ T8149] device bridge_slave_0 entered promiscuous mode [ 58.849319][ T8136] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.865765][ T8144] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 58.898254][ T8149] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.905917][ T8149] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.913519][ T8149] device bridge_slave_1 entered promiscuous mode [ 58.928183][ T3970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.937793][ T3970] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.946438][ T3970] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.953469][ T3970] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.961113][ T3970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.969573][ T3970] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.978139][ T3970] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.985210][ T3970] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.992909][ T3970] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.003217][ T8146] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.058931][ T8146] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.118801][ T8146] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.176722][ T8146] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.226996][ T8144] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.274584][ T8149] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.286237][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.294644][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.303492][ T8150] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.310577][ T8150] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.335493][ T8149] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.349763][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.359014][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.368259][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.376999][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.385339][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.393898][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.402309][ T8150] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.409365][ T8150] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.417263][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.452282][ T8136] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.462913][ T8136] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.482973][ T8149] team0: Port device team_slave_0 added [ 59.491580][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.500315][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.509365][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.518397][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.527176][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.535668][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.536122][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.551811][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.560141][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.568510][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.600397][ T8149] team0: Port device team_slave_1 added [ 59.608397][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.616326][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.623704][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.634222][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.642466][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.650640][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.658800][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.668063][ T8150] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.677859][ T8142] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.706793][ T3970] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.714166][ T3970] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.727207][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.749132][ T8136] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.762902][ T8142] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.818106][ T8149] device hsr_slave_0 entered promiscuous mode [ 59.855616][ T8149] device hsr_slave_1 entered promiscuous mode [ 59.895327][ T8149] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.909337][ T8146] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.918523][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.927445][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.961462][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.974604][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.983335][ T8154] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.990448][ T8154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.998217][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.007239][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.015600][ T8154] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.022628][ T8154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.030148][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.038740][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.047172][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.055687][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.063829][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.071572][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.079624][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.087393][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.105373][ T3970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.113690][ T3970] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.142179][ T8139] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 165.185061][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.191855][ C0] rcu: 0-...!: (10499 ticks this GP) idle=bc6/1/0x4000000000000002 softirq=10723/10726 fqs=41 [ 165.202422][ C0] (t=10501 jiffies g=6181 q=56) [ 165.207349][ C0] rcu: rcu_preempt kthread starved for 10420 jiffies! g6181 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.218428][ C0] rcu: RCU grace-period kthread stack dump: [ 165.224300][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 165.232188][ C0] Call Trace: [ 165.235475][ C0] __schedule+0x9a0/0xcc0 [ 165.239802][ C0] schedule+0x181/0x210 [ 165.243946][ C0] schedule_timeout+0x14f/0x240 [ 165.248790][ C0] ? run_local_timers+0x120/0x120 [ 165.253808][ C0] rcu_gp_kthread+0xed8/0x1770 [ 165.258567][ C0] kthread+0x332/0x350 [ 165.262617][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.267721][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.272298][ C0] ret_from_fork+0x24/0x30 [ 165.276712][ C0] NMI backtrace for cpu 0 [ 165.281027][ C0] CPU: 0 PID: 8144 Comm: syz-executor.3 Not tainted 5.4.0-syzkaller #0 [ 165.289243][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.299278][ C0] Call Trace: [ 165.302544][ C0] [ 165.305389][ C0] dump_stack+0x1fb/0x318 [ 165.309708][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.314541][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.320678][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.326726][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.332692][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.338580][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.343684][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.348902][ C0] ? trace_hardirqs_off+0x74/0x80 [ 165.353923][ C0] update_process_times+0x12d/0x180 [ 165.359112][ C0] tick_sched_timer+0x263/0x420 [ 165.363948][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.369486][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.375302][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.380251][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.385530][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.391065][ C0] apic_timer_interrupt+0xf/0x20 [ 165.395987][ C0] [ 165.398913][ C0] RIP: 0010:mod_memcg_page_state+0x161/0x190 [ 165.404879][ C0] Code: 3c 20 00 74 0c 48 c7 c7 28 96 0a 89 e8 a8 9e 69 00 48 83 3d c8 21 c2 07 00 74 2d e8 99 27 2e 00 4c 89 ff 57 9d 0f 1f 44 00 00 <5b> 41 5c 41 5e 41 5f 5d c3 e8 81 27 2e 00 0f 0b e8 7a 27 2e 00 0f [ 165.424469][ C0] RSP: 0018:ffffc9000221ee68 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 165.432868][ C0] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff88809a0f2100 [ 165.440825][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a22e00 [ 165.448785][ C0] RBP: ffffc9000221ee88 R08: 000000000003a768 R09: ffffed101246d2ef [ 165.456744][ C0] R10: ffffed101246d2ef R11: 0000000000000000 R12: dffffc0000000000 [ 165.464698][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888092369768 [ 165.472667][ C0] ? mod_memcg_page_state+0x123/0x190 [ 165.478029][ C0] ? mod_memcg_page_state+0x123/0x190 [ 165.483388][ C0] free_thread_stack+0x168/0x590 [ 165.488315][ C0] put_task_stack+0xa3/0x130 [ 165.492895][ C0] finish_task_switch+0x3f1/0x550 [ 165.497910][ C0] __schedule+0x9a8/0xcc0 [ 165.502234][ C0] ? ___preempt_schedule+0x16/0x18 [ 165.507349][ C0] preempt_schedule+0xdb/0x120 [ 165.512108][ C0] ? addrconf_notify+0x1c17/0x3c90 [ 165.517219][ C0] ___preempt_schedule+0x16/0x18 [ 165.522147][ C0] ? mark_lock+0x107/0x1650 [ 165.526644][ C0] __local_bh_enable_ip+0x17d/0x240 [ 165.531830][ C0] ? addrconf_notify+0x1c17/0x3c90 [ 165.536936][ C0] _raw_write_unlock_bh+0x2f/0x40 [ 165.541947][ C0] addrconf_notify+0x1c17/0x3c90 [ 165.546885][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 165.552435][ C0] raw_notifier_call_chain+0xec/0x190 [ 165.557800][ C0] __dev_notify_flags+0x24d/0x4d0 [ 165.562812][ C0] dev_change_flags+0xec/0x190 [ 165.567565][ C0] do_setlink+0xb2e/0x3960 [ 165.571971][ C0] ? __nla_validate_parse+0x18cd/0x1f40 [ 165.577512][ C0] ? __kasan_check_read+0x11/0x20 [ 165.582522][ C0] rtnl_newlink+0x14dd/0x1bd0 [ 165.587182][ C0] ? rtnl_newlink+0x371/0x1bd0 [ 165.591989][ C0] ? __mutex_lock_common+0x4f5/0x2e10 [ 165.597350][ C0] ? rtnetlink_rcv_msg+0x83c/0xd40 [ 165.602440][ C0] ? rcu_lock_release+0x9/0x30 [ 165.607206][ C0] ? rtnl_setlink+0x490/0x490 [ 165.611866][ C0] rtnetlink_rcv_msg+0x889/0xd40 [ 165.616805][ C0] ? rcu_lock_release+0x9/0x30 [ 165.621550][ C0] ? rcu_lock_release+0x9/0x30 [ 165.626308][ C0] ? rcu_lock_release+0x9/0x30 [ 165.631062][ C0] netlink_rcv_skb+0x19e/0x3d0 [ 165.635810][ C0] ? rtnetlink_bind+0x80/0x80 [ 165.640484][ C0] rtnetlink_rcv+0x1c/0x20 [ 165.644882][ C0] netlink_unicast+0x767/0x920 [ 165.649637][ C0] netlink_sendmsg+0xa21/0xd40 [ 165.654393][ C0] ? netlink_getsockopt+0x9f0/0x9f0 [ 165.659575][ C0] __sys_sendto+0x442/0x5e0 [ 165.664074][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 165.670127][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 165.675829][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 165.681277][ C0] __x64_sys_sendto+0xe5/0x100 [ 165.686029][ C0] do_syscall_64+0xf7/0x1c0 [ 165.690533][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.696408][ C0] RIP: 0033:0x414373 [ 165.700290][ C0] Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d fd 40 66 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff [ 165.719892][ C0] RSP: 002b:00007ffc97fda518 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 165.728292][ C0] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414373 [ 165.736247][ C0] RDX: 000000000000002c RSI: 0000000000a72250 RDI: 0000000000000003 [ 165.744204][ C0] RBP: 0000000000000000 R08: 00007ffc97fda520 R09: 000000000000000c [ 165.752162][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 165.760120][ C0] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003