[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 47.898272][ T24] audit: type=1800 audit(1578463862.975:25): pid=8377 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.917730][ T24] audit: type=1800 audit(1578463862.985:26): pid=8377 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.937685][ T24] audit: type=1800 audit(1578463862.985:27): pid=8377 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 '10.128.0.67' (ECDSA) to the list of known hosts. 2020/01/08 06:11:15 fuzzer started 2020/01/08 06:11:17 dialing manager at 10.128.0.26:35703 2020/01/08 06:11:17 syscalls: 2824 2020/01/08 06:11:17 code coverage: enabled 2020/01/08 06:11:17 comparison tracing: enabled 2020/01/08 06:11:17 extra coverage: enabled 2020/01/08 06:11:17 setuid sandbox: enabled 2020/01/08 06:11:17 namespace sandbox: enabled 2020/01/08 06:11:17 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:11:17 fault injection: enabled 2020/01/08 06:11:17 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:11:17 net packet injection: enabled 2020/01/08 06:11:17 net device setup: enabled 2020/01/08 06:11:17 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:11:17 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:11:18 executing program 0: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) rt_sigprocmask(0x0, &(0x7f0000000140)={0xfffffffffffffffa}, 0x0, 0x8) r2 = gettid() timer_create(0x8, &(0x7f00000000c0)={0x0, 0x32, 0x4, @tid=r2}, &(0x7f00000002c0)) timer_settime(0x0, 0x1, &(0x7f0000000300)={{}, {0x0, 0xe4c}}, 0x0) 06:11:18 executing program 1: r0 = open(&(0x7f00000001c0)='./file0\x00', 0x80040, 0x0) fcntl$setlease(r0, 0x400, 0x0) link(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='./file1\x00') syzkaller login: [ 63.274767][ T8543] IPVS: ftp: loaded support on port[0] = 21 [ 63.383384][ T8545] IPVS: ftp: loaded support on port[0] = 21 06:11:18 executing program 2: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f00000008c0)={0x2, 0x0, @local}, 0x10) [ 63.472972][ T8543] chnl_net:caif_netlink_parms(): no params data found [ 63.610395][ T8545] chnl_net:caif_netlink_parms(): no params data found [ 63.624556][ T8543] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.633461][ T8543] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.641564][ T8543] device bridge_slave_0 entered promiscuous mode [ 63.664695][ T8543] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.671850][ T8543] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.681472][ T8543] device bridge_slave_1 entered promiscuous mode [ 63.695724][ T8549] IPVS: ftp: loaded support on port[0] = 21 [ 63.727378][ T8545] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.742257][ T8545] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.750161][ T8545] device bridge_slave_0 entered promiscuous mode [ 63.765344][ T8545] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.774989][ T8545] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.783180][ T8545] device bridge_slave_1 entered promiscuous mode [ 63.812676][ T8543] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 06:11:18 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r1, 0x1000008912, &(0x7f0000000100)="0815b5055e0bcfe87b3071") sendmsg$nl_generic(r0, &(0x7f0000000180)={0x0, 0x2c8, &(0x7f0000000100)={&(0x7f00000001c0)={0x24, 0x23, 0x847, 0x0, 0x0, {0x2804}, [@typed={0x5, 0xb}]}, 0x269}}, 0x0) [ 63.824157][ T8545] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.838495][ T8545] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.849291][ T8543] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.954286][ T8545] team0: Port device team_slave_0 added [ 63.961734][ T8545] team0: Port device team_slave_1 added [ 63.985041][ T8543] team0: Port device team_slave_0 added [ 63.993455][ T8543] team0: Port device team_slave_1 added 06:11:19 executing program 4: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)="0f34", 0x2}], 0x1, 0x0) ioctl$sock_inet6_SIOCSIFDSTADDR(0xffffffffffffffff, 0x8918, &(0x7f00000000c0)={@ipv4={[], [], @local}, 0x77}) r1 = socket$inet_udplite(0x2, 0x2, 0x88) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ptrace$setopts(0x4206, r0, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x134, &(0x7f0000000180)={0x0, 0xffffffffffffff34}}, 0x0) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {&(0x7f0000000140)=""/65, 0x21}], 0x3, 0x0, 0x0, 0x0) tkill(r0, 0x21) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r0, 0x0, 0x0) [ 64.054638][ T8545] device hsr_slave_0 entered promiscuous mode [ 64.094221][ T8545] device hsr_slave_1 entered promiscuous mode 06:11:19 executing program 5: bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x3, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0xffffffdd}, [@ldst={0x3, 0x5, 0x3, 0x1c10a1, 0x0, 0x32}]}, &(0x7f0000003ff6)='GPL\x00', 0x5, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x8}, 0x48) [ 64.294694][ T8543] device hsr_slave_0 entered promiscuous mode [ 64.392615][ T8543] device hsr_slave_1 entered promiscuous mode [ 64.422306][ T8543] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.430024][ T8543] Cannot create hsr debugfs directory [ 64.444577][ T8551] IPVS: ftp: loaded support on port[0] = 21 [ 64.476762][ T8556] IPVS: ftp: loaded support on port[0] = 21 [ 64.518063][ T8549] chnl_net:caif_netlink_parms(): no params data found [ 64.554223][ T8554] IPVS: ftp: loaded support on port[0] = 21 [ 64.617611][ T8543] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.675747][ T8543] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.735107][ T8543] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.798155][ T8543] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.903730][ T8549] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.910880][ T8549] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.918851][ T8549] device bridge_slave_0 entered promiscuous mode [ 64.927663][ T8549] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.934907][ T8549] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.942886][ T8549] device bridge_slave_1 entered promiscuous mode [ 64.977367][ T8549] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.990538][ T8545] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.045096][ T8545] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.105498][ T8549] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.142383][ T8545] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.208191][ T8545] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.286402][ T8549] team0: Port device team_slave_0 added [ 65.296680][ T8549] team0: Port device team_slave_1 added [ 65.303266][ T8554] chnl_net:caif_netlink_parms(): no params data found [ 65.455732][ T8549] device hsr_slave_0 entered promiscuous mode [ 65.492626][ T8549] device hsr_slave_1 entered promiscuous mode [ 65.532318][ T8549] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.540027][ T8549] Cannot create hsr debugfs directory [ 65.558816][ T8554] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.567327][ T8554] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.575242][ T8554] device bridge_slave_0 entered promiscuous mode [ 65.583345][ T8554] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.590435][ T8554] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.598240][ T8554] device bridge_slave_1 entered promiscuous mode [ 65.609696][ T8551] chnl_net:caif_netlink_parms(): no params data found [ 65.640504][ T8556] chnl_net:caif_netlink_parms(): no params data found [ 65.708350][ T8554] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.721403][ T8554] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.737126][ T8551] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.744773][ T8551] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.752766][ T8551] device bridge_slave_0 entered promiscuous mode [ 65.765198][ T8551] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.774107][ T8551] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.781807][ T8551] device bridge_slave_1 entered promiscuous mode [ 65.801647][ T8554] team0: Port device team_slave_0 added [ 65.810657][ T8554] team0: Port device team_slave_1 added [ 65.862893][ T8543] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.871441][ T8545] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.885960][ T8551] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.895638][ T8556] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.904795][ T8556] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.913905][ T8556] device bridge_slave_0 entered promiscuous mode [ 65.922094][ T8556] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.929290][ T8556] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.937067][ T8556] device bridge_slave_1 entered promiscuous mode [ 65.948312][ T8551] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.025001][ T8554] device hsr_slave_0 entered promiscuous mode [ 66.073034][ T8554] device hsr_slave_1 entered promiscuous mode [ 66.112269][ T8554] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.119856][ T8554] Cannot create hsr debugfs directory [ 66.132823][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.140857][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.156517][ T8556] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.167982][ T8551] team0: Port device team_slave_0 added [ 66.178340][ T8543] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.196807][ T8556] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.217031][ T8551] team0: Port device team_slave_1 added [ 66.232946][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.240872][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.265273][ T8545] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.281827][ T8549] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.335968][ T8549] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.386100][ T8549] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.426088][ T8556] team0: Port device team_slave_0 added [ 66.475084][ T8551] device hsr_slave_0 entered promiscuous mode [ 66.523086][ T8551] device hsr_slave_1 entered promiscuous mode [ 66.562358][ T8551] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.569997][ T8551] Cannot create hsr debugfs directory [ 66.589029][ T8549] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.625663][ T8556] team0: Port device team_slave_1 added [ 66.635768][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.644789][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.653337][ T35] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.660517][ T35] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.668715][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.678113][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.686894][ T35] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.693962][ T35] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.701451][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.710365][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.718832][ T35] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.726272][ T35] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.739440][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.747553][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.789562][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.799991][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.808893][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.816015][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.823564][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.831982][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.895275][ T8556] device hsr_slave_0 entered promiscuous mode [ 66.912939][ T8556] device hsr_slave_1 entered promiscuous mode [ 66.962333][ T8556] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.969915][ T8556] Cannot create hsr debugfs directory [ 66.988658][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.997616][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.006725][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.015578][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.024780][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.033566][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.041797][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.050252][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.058672][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.067118][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.075461][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.084384][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.093255][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.101440][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.109782][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.117614][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.136543][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.163486][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.173020][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.214580][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.223661][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.242845][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.250529][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.268543][ T8543] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.304623][ T8545] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.336507][ T8549] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.345586][ T8554] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 67.396452][ T8551] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.458154][ T8551] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.504136][ T8551] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.551935][ T8549] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.563517][ T8554] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.604221][ T8554] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 67.644449][ T8554] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 67.688523][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.696642][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.704733][ T8551] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 67.776376][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.785304][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.816510][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.825509][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.834394][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.841430][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.849568][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.858301][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.866705][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.873789][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.881501][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.889104][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.896588][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.905689][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.918448][ T8556] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 67.965959][ T8556] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.033924][ T8556] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.064809][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.074315][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.083278][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.091534][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.100059][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.108411][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.116848][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.124979][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.133631][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.142068][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.150620][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.159101][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.167339][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.175144][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.189524][ T8543] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.202021][ T8556] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.238162][ T8545] device veth0_vlan entered promiscuous mode [ 68.248621][ T8549] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.277933][ T8545] device veth1_vlan entered promiscuous mode [ 68.347890][ T8551] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.368331][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.377078][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.385560][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.394515][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.403762][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.411553][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.439364][ T8551] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.470018][ T8549] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 173.482151][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 173.488982][ C1] rcu: 1-...!: (10499 ticks this GP) idle=bce/1/0x4000000000000002 softirq=11973/11973 fqs=0 [ 173.499452][ C1] (t=10501 jiffies g=7061 q=60) [ 173.504383][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g7061 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 173.515462][ C1] rcu: RCU grace-period kthread stack dump: [ 173.521335][ C1] rcu_preempt R running task 29104 10 2 0x80004000 [ 173.529224][ C1] Call Trace: [ 173.532506][ C1] __schedule+0x9a0/0xcc0 [ 173.536835][ C1] schedule+0x181/0x210 [ 173.540981][ C1] schedule_timeout+0x14f/0x240 [ 173.545819][ C1] ? run_local_timers+0x120/0x120 [ 173.550833][ C1] rcu_gp_kthread+0xed8/0x1770 [ 173.555596][ C1] kthread+0x332/0x350 [ 173.559652][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 173.564748][ C1] ? kthread_blkcg+0xe0/0xe0 [ 173.569326][ C1] ret_from_fork+0x24/0x30 [ 173.573750][ C1] NMI backtrace for cpu 1 [ 173.578080][ C1] CPU: 1 PID: 8545 Comm: syz-executor.1 Not tainted 5.5.0-rc5-syzkaller #0 [ 173.586658][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.596699][ C1] Call Trace: [ 173.599969][ C1] [ 173.602814][ C1] dump_stack+0x1fb/0x318 [ 173.607136][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 173.612062][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 173.618355][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 173.624433][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 173.630417][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 173.637048][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 173.642167][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 173.647361][ C1] ? trace_hardirqs_off+0x74/0x80 [ 173.652380][ C1] update_process_times+0x12d/0x180 [ 173.657571][ C1] tick_sched_timer+0x263/0x420 [ 173.662494][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 173.668028][ C1] __hrtimer_run_queues+0x403/0x840 [ 173.673228][ C1] hrtimer_interrupt+0x38c/0xda0 [ 173.678169][ C1] ? debug_smp_processor_id+0x9/0x20 [ 173.683443][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 173.689844][ C1] apic_timer_interrupt+0xf/0x20 [ 173.694765][ C1] [ 173.697729][ C1] RIP: 0010:mod_memcg_page_state+0x8/0x190 [ 173.703522][ C1] Code: eb 0c e8 eb 27 2e 00 eb 05 e8 e4 27 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 <41> 54 53 41 89 f6 48 89 fb e8 ba 27 2e 00 48 83 c3 38 48 89 d8 48 [ 173.723111][ C1] RSP: 0018:ffffc90001da7bb0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 173.731506][ C1] RAX: 1ffff1101292a531 RBX: ffff888094952988 RCX: 0000000000000000 [ 173.739465][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00028aadc0 [ 173.747425][ C1] RBP: ffffc90001da7bc0 R08: dffffc0000000000 R09: fffffbfff124248a [ 173.755486][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff888094952a20 [ 173.763890][ C1] R13: dffffc0000000000 R14: 1ffff1101292a544 R15: ffff888095a395b8 [ 173.771887][ C1] free_thread_stack+0x168/0x590 [ 173.776830][ C1] put_task_stack+0xa3/0x130 [ 173.781423][ C1] finish_task_switch+0x3f1/0x550 [ 173.786450][ C1] __schedule+0x9a8/0xcc0 [ 173.790805][ C1] schedule+0x181/0x210 [ 173.794976][ C1] do_nanosleep+0x1d0/0x6c0 [ 173.799493][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 173.804432][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 173.810245][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 173.815349][ C1] do_syscall_64+0xf7/0x1c0 [ 173.819863][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.825741][ C1] RIP: 0033:0x4593f0 [ 173.829640][ C1] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 41 f5 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 173.849538][ C1] RSP: 002b:00007ffd57f30458 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 173.857938][ C1] RAX: ffffffffffffffda RBX: 0000000000010b4a RCX: 00000000004593f0 [ 173.865911][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd57f30460 [ 173.873895][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000f3a940 [ 173.881856][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 173.889831][ C1] R13: 00007ffd57f304b0 R14: 0000000000010b4a R15: 00007ffd57f304c0