[ 39.945209][ T26] audit: type=1800 audit(1575384668.633:27): pid=7826 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 39.972485][ T26] audit: type=1800 audit(1575384668.633:28): pid=7826 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. [ 40.713894][ T26] audit: type=1800 audit(1575384669.473:29): pid=7826 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 40.733063][ T26] audit: type=1800 audit(1575384669.473:30): pid=7826 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 '10.128.1.18' (ECDSA) to the list of known hosts. 2019/12/03 14:51:18 fuzzer started 2019/12/03 14:51:19 dialing manager at 10.128.0.26:45711 2019/12/03 14:51:19 syscalls: 2689 2019/12/03 14:51:19 code coverage: enabled 2019/12/03 14:51:19 comparison tracing: enabled 2019/12/03 14:51:19 extra coverage: extra coverage is not supported by the kernel 2019/12/03 14:51:19 setuid sandbox: enabled 2019/12/03 14:51:19 namespace sandbox: enabled 2019/12/03 14:51:19 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 14:51:19 fault injection: enabled 2019/12/03 14:51:19 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 14:51:19 net packet injection: enabled 2019/12/03 14:51:19 net device setup: enabled 2019/12/03 14:51:19 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 14:51:19 devlink PCI setup: PCI device 0000:00:10.0 is not available 14:51:20 executing program 0: r0 = socket$inet6(0xa, 0x1, 0x84) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) getsockopt$bt_hci(r0, 0x84, 0x11, &(0x7f0000000080)=""/4096, &(0x7f0000001140)=0x101df) 14:51:21 executing program 1: perf_event_open(&(0x7f0000000180)={0x1, 0x70, 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, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000340)={0x16, 0x0, 0x40001, 0x1, 0x0, 0x1}, 0x3c) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000340)={0x16, 0x0, 0x40001, 0x1, 0x0, 0x1}, 0x3c) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000040)={r0, &(0x7f0000000000), 0x0}, 0x20) r1 = syz_open_dev$media(&(0x7f0000000100)='/dev/media#\x00', 0x0, 0x0) ioctl$RTC_EPOCH_READ(r1, 0xc0287c02, &(0x7f0000000040)) syzkaller login: [ 52.306692][ T7989] IPVS: ftp: loaded support on port[0] = 21 14:51:21 executing program 2: r0 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_HEAP_QUERY(r0, 0xc0184908, &(0x7f0000000080)={0xffffffb5, 0x0, 0xfffffffffffffffd, 0x0, 0x2}) [ 52.462059][ T7989] chnl_net:caif_netlink_parms(): no params data found [ 52.477746][ T7992] IPVS: ftp: loaded support on port[0] = 21 14:51:21 executing program 3: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = memfd_create(&(0x7f00000000c0)='vboxnet0md5sum\x00', 0x0) write(r0, &(0x7f0000000040)="06", 0x1) mmap(&(0x7f0000000000/0x7000)=nil, 0x7000, 0x80000000004, 0x11, r0, 0x0) r1 = socket$inet_dccp(0x2, 0x6, 0x0) getsockopt$inet_int(r1, 0x10d, 0xe7, 0x0, &(0x7f0000000000)) [ 52.617188][ T7989] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.629385][ T7989] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.649219][ T7989] device bridge_slave_0 entered promiscuous mode [ 52.709634][ T7989] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.716724][ T7989] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.740134][ T7989] device bridge_slave_1 entered promiscuous mode [ 52.765935][ T7994] IPVS: ftp: loaded support on port[0] = 21 [ 52.795711][ T7992] chnl_net:caif_netlink_parms(): no params data found [ 52.844421][ T7989] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 14:51:21 executing program 4: r0 = creat(&(0x7f000002bff8)='./file0\x00', 0x0) r1 = inotify_init1(0x0) fcntl$setstatus(r1, 0x4, 0x72109c5fef5d34d3) r2 = gettid() rt_sigprocmask(0x0, &(0x7f000003b000)={0xfffffffffffffffe}, 0x0, 0x8) fcntl$setownex(r1, 0xf, &(0x7f0000000180)={0x0, r2}) inotify_add_watch(r1, &(0x7f0000000800)='./file0\x00', 0xa400295c) r3 = signalfd4(0xffffffffffffffff, &(0x7f00000000c0), 0x8, 0x0) r4 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r4, 0x1, r3, &(0x7f000001bff4)) dup2(r1, r0) [ 52.895167][ T7989] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.980594][ T7989] team0: Port device team_slave_0 added [ 53.000192][ T7992] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.007277][ T7992] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.030802][ T7992] device bridge_slave_0 entered promiscuous mode [ 53.031249][ T7998] IPVS: ftp: loaded support on port[0] = 21 [ 53.045616][ T7989] team0: Port device team_slave_1 added [ 53.100451][ T7992] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.107538][ T7992] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.117168][ T7992] device bridge_slave_1 entered promiscuous mode [ 53.139351][ T7992] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 14:51:21 executing program 5: pipe(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$alg(0x26, 0x5, 0x0) write$binfmt_elf64(r1, &(0x7f0000000240)=ANY=[@ANYBLOB="7f"], 0x80) bind$alg(r2, &(0x7f0000000080)={0x26, 'hash\x00', 0x0, 0x0, 'sha224-generic\x00'}, 0x58) r3 = accept4$alg(r2, 0x0, 0x0, 0x0) splice(r0, 0x0, r3, 0x0, 0x20000000003, 0x0) [ 53.250895][ T7989] device hsr_slave_0 entered promiscuous mode [ 53.278916][ T7989] device hsr_slave_1 entered promiscuous mode [ 53.320835][ T7992] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.330117][ T7994] chnl_net:caif_netlink_parms(): no params data found [ 53.376890][ T8002] IPVS: ftp: loaded support on port[0] = 21 [ 53.376904][ T8000] IPVS: ftp: loaded support on port[0] = 21 [ 53.401008][ T7994] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.408061][ T7994] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.415613][ T7994] device bridge_slave_0 entered promiscuous mode [ 53.426500][ T7994] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.433611][ T7994] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.441739][ T7994] device bridge_slave_1 entered promiscuous mode [ 53.465525][ T7992] team0: Port device team_slave_0 added [ 53.492115][ T7994] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.504772][ T7994] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.525850][ T7992] team0: Port device team_slave_1 added [ 53.533121][ T7989] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.603204][ T7989] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.741147][ T7992] device hsr_slave_0 entered promiscuous mode [ 53.808596][ T7992] device hsr_slave_1 entered promiscuous mode [ 53.878441][ T7992] debugfs: Directory 'hsr0' with parent '/' already present! [ 53.886166][ T7989] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.951813][ T7989] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.021708][ T7994] team0: Port device team_slave_0 added [ 54.030449][ T7994] team0: Port device team_slave_1 added [ 54.109511][ T7998] chnl_net:caif_netlink_parms(): no params data found [ 54.144772][ T7998] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.152335][ T7998] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.161416][ T7998] device bridge_slave_0 entered promiscuous mode [ 54.177822][ T7998] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.185057][ T7998] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.192840][ T7998] device bridge_slave_1 entered promiscuous mode [ 54.230180][ T7994] device hsr_slave_0 entered promiscuous mode [ 54.268605][ T7994] device hsr_slave_1 entered promiscuous mode [ 54.308412][ T7994] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.308611][ T7992] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 54.370743][ T7992] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 54.410021][ T7992] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 54.478194][ T7992] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 54.562869][ T7998] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.577215][ T7998] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.620256][ T8000] chnl_net:caif_netlink_parms(): no params data found [ 54.641854][ T7998] team0: Port device team_slave_0 added [ 54.650213][ T7998] team0: Port device team_slave_1 added [ 54.683972][ T7989] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.698818][ T8002] chnl_net:caif_netlink_parms(): no params data found [ 54.717412][ T7994] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 54.841487][ T7998] device hsr_slave_0 entered promiscuous mode [ 54.888729][ T7998] device hsr_slave_1 entered promiscuous mode [ 54.938447][ T7998] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.957739][ T7994] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 55.000814][ T7994] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 55.030394][ T7994] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 55.079760][ T8000] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.086826][ T8000] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.094427][ T8000] device bridge_slave_0 entered promiscuous mode [ 55.102107][ T8000] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.109234][ T8000] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.116705][ T8000] device bridge_slave_1 entered promiscuous mode [ 55.133367][ T8000] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.151405][ T7989] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.170563][ T8004] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.181786][ T8004] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.196844][ T8000] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.217553][ T8002] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.225023][ T8002] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.232589][ T8002] device bridge_slave_0 entered promiscuous mode [ 55.250050][ T7992] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.260742][ T8000] team0: Port device team_slave_0 added [ 55.275925][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.284334][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.293263][ T2956] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.300360][ T2956] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.307998][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.317376][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.325629][ T2956] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.332659][ T2956] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.340431][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.349151][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.357303][ T8002] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.364890][ T8002] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.372850][ T8002] device bridge_slave_1 entered promiscuous mode [ 55.393945][ T8000] team0: Port device team_slave_1 added [ 55.450832][ T8000] device hsr_slave_0 entered promiscuous mode [ 55.489294][ T8000] device hsr_slave_1 entered promiscuous mode [ 55.528425][ T8000] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.546327][ T8002] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.560334][ T8002] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.571539][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.590887][ T7992] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.597656][ T7998] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 55.664401][ T7998] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 55.712507][ T7998] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 55.770509][ T7998] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 55.811090][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.821144][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.829737][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.838628][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.846734][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.854814][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.862537][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.887754][ T7989] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.899626][ T7989] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.913111][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.922277][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.930631][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.937651][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.945729][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.953950][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.962368][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.970598][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.980280][ T8002] team0: Port device team_slave_0 added [ 55.990165][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.997865][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.034646][ T8002] team0: Port device team_slave_1 added [ 56.047023][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.055276][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.077885][ T7998] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.092594][ T8004] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.105251][ T8004] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.114191][ T8004] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.121250][ T8004] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.129772][ T8000] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 56.153684][ T2956] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.210926][ T8002] device hsr_slave_0 entered promiscuous mode [ 56.258782][ T8002] device hsr_slave_1 entered promiscuous mode [ 56.318991][ T8002] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.333826][ T7989] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.348448][ T8000] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 56.390200][ T8000] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 56.452686][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.460881][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.468677][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.476996][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.486280][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.494980][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.503540][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.514449][ T7998] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.531639][ T8000] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 56.564315][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.578865][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.587440][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.596032][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.603140][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.610818][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.620079][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.628746][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.635782][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.643763][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.659225][ T7992] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.670037][ T7992] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.689786][ T8008] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.698200][ T8008] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.706542][ T8008] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.714729][ T8008] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.722748][ T8008] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.731531][ T8008] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.741853][ T7994] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.761155][ T7994] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.824793][ T7998] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.841719][ T7998] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.873572][ T7998] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 161.878243][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 161.885100][ C1] rcu: 1-...!: (10499 ticks this GP) idle=51a/1/0x4000000000000002 softirq=10688/10688 fqs=3 [ 161.895566][ C1] (t=10501 jiffies g=5805 q=873) [ 161.900582][ C1] rcu: rcu_preempt kthread starved for 10496 jiffies! g5805 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 161.911663][ C1] rcu: RCU grace-period kthread stack dump: [ 161.917535][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 161.925421][ C1] Call Trace: [ 161.928697][ C1] __schedule+0x9a0/0xcc0 [ 161.933018][ C1] schedule+0x181/0x210 [ 161.937167][ C1] schedule_timeout+0x14f/0x240 [ 161.942004][ C1] ? run_local_timers+0x120/0x120 [ 161.947016][ C1] rcu_gp_kthread+0xed8/0x1770 [ 161.951788][ C1] kthread+0x332/0x350 [ 161.955841][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 161.960946][ C1] ? kthread_blkcg+0xe0/0xe0 [ 161.965522][ C1] ret_from_fork+0x24/0x30 [ 161.969937][ C1] NMI backtrace for cpu 1 [ 161.974252][ C1] CPU: 1 PID: 7989 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 161.982560][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.992601][ C1] Call Trace: [ 161.995866][ C1] [ 161.998704][ C1] dump_stack+0x1fb/0x318 [ 162.003019][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 162.007856][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 162.013995][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 162.020045][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 162.026012][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 162.031886][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 162.036982][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 162.042168][ C1] ? trace_hardirqs_off+0x74/0x80 [ 162.047174][ C1] update_process_times+0x12d/0x180 [ 162.052358][ C1] tick_sched_timer+0x263/0x420 [ 162.057188][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 162.062714][ C1] __hrtimer_run_queues+0x403/0x840 [ 162.067909][ C1] hrtimer_interrupt+0x38c/0xda0 [ 162.072845][ C1] ? debug_smp_processor_id+0x9/0x20 [ 162.078112][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 162.083640][ C1] apic_timer_interrupt+0xf/0x20 [ 162.088559][ C1] [ 162.091487][ C1] RIP: 0010:mod_memcg_page_state+0x16/0x190 [ 162.097370][ C1] Code: 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 da 28 2e 00 <48> 83 c3 38 48 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 [ 162.116959][ C1] RSP: 0018:ffffc90002977ba0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 162.125359][ C1] RAX: ffffffff81487326 RBX: ffffea00024e0080 RCX: ffff88807f824100 [ 162.133309][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00024e0080 [ 162.141265][ C1] RBP: ffffc90002977bc0 R08: dffffc0000000000 R09: fffffbfff120248a [ 162.149220][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff888092d9b820 [ 162.157174][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888099531a68 [ 162.165144][ C1] ? mod_memcg_page_state+0x16/0x190 [ 162.170421][ C1] free_thread_stack+0x168/0x590 [ 162.175342][ C1] put_task_stack+0xa3/0x130 [ 162.179944][ C1] finish_task_switch+0x3f1/0x550 [ 162.184958][ C1] __schedule+0x9a8/0xcc0 [ 162.189295][ C1] schedule+0x181/0x210 [ 162.193444][ C1] do_nanosleep+0x1d0/0x6c0 [ 162.197943][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 162.202868][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 162.208658][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 162.213753][ C1] do_syscall_64+0xf7/0x1c0 [ 162.218270][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 162.224162][ C1] RIP: 0033:0x458b20 [ 162.228044][ 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 11 fe 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 [ 162.247634][ C1] RSP: 002b:00007ffd6a060ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 162.256026][ C1] RAX: ffffffffffffffda RBX: 000000000000ddcc RCX: 0000000000458b20 [ 162.263989][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd6a061000 [ 162.271962][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000001d60940 [ 162.279919][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 162.287876][ C1] R13: 00007ffd6a061050 R14: 000000000000ddc2 R15: 00007ffd6a061060