[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 54.025822][ T27] audit: type=1800 audit(1578480799.036:25): pid=8369 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 54.045688][ T27] audit: type=1800 audit(1578480799.036:26): pid=8369 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 54.078280][ T27] audit: type=1800 audit(1578480799.036:27): pid=8369 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 '10.128.0.137' (ECDSA) to the list of known hosts. 2020/01/08 10:53:28 fuzzer started 2020/01/08 10:53:30 dialing manager at 10.128.0.26:35703 2020/01/08 10:53:30 syscalls: 2824 2020/01/08 10:53:30 code coverage: enabled 2020/01/08 10:53:30 comparison tracing: enabled 2020/01/08 10:53:30 extra coverage: enabled 2020/01/08 10:53:30 setuid sandbox: enabled 2020/01/08 10:53:30 namespace sandbox: enabled 2020/01/08 10:53:30 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 10:53:30 fault injection: enabled 2020/01/08 10:53:30 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 10:53:30 net packet injection: enabled 2020/01/08 10:53:30 net device setup: enabled 2020/01/08 10:53:30 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 10:53:30 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:53:31 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_ENABLE_CAP_CPU(r2, 0xc008ae88, &(0x7f00000000c0)={0x7a, 0x4, [0x6e0], [0x3a]}) 10:53:31 executing program 1: socket$netlink(0x10, 0x3, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x8, 0x0, 0x400}, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) recvmmsg(r1, &(0x7f0000008880), 0x400000000000249, 0x0, 0x0) pipe(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000480)="b0a3cdef47f59ec515de0fcb5dfc761cf7120c4312b2054efdc0cf574f65329a05d03a24674b1d94d072b4bd702c576dc1d6e4fef97bdd899d359dadcfe32ba24fb1e152533e4df2c20324dda85d95c102000000d81d2b9bea7f9e468b3da19d62e9913b2f7cd488de25886811470818af91afd3bce1422670d6f2d054d8b16374e3617a22b1c70e7e3104b814e24e6e7b62256ae8faaae5f59f840c029418a34c", 0x10000001c) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) mkdir(&(0x7f0000002000)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x0) symlink(&(0x7f0000000140)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38//../file0\x00', &(0x7f00000002c0)='./file0\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) truncate(&(0x7f0000000100)='./file0\x00', 0x0) unlink(&(0x7f0000000040)='./file0\x00') open(&(0x7f00000000c0)='./file0\x00', 0x3fd, 0x0) syzkaller login: [ 66.500281][ T8537] IPVS: ftp: loaded support on port[0] = 21 10:53:31 executing program 2: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x3) bind$bt_l2cap(r0, &(0x7f0000000100), 0xe) listen(r0, 0x0) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0xffffffffffffffff}, 0x8) close(r0) [ 66.677842][ T8537] chnl_net:caif_netlink_parms(): no params data found [ 66.738250][ T8540] IPVS: ftp: loaded support on port[0] = 21 [ 66.785165][ T8537] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.793962][ T8537] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.812041][ T8537] device bridge_slave_0 entered promiscuous mode [ 66.834571][ T8537] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.852085][ T8537] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.859986][ T8537] device bridge_slave_1 entered promiscuous mode [ 66.906158][ T8537] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.923882][ T8537] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 10:53:32 executing program 3: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0x275a, 0x0) mmap(&(0x7f000045f000/0x3000)=nil, 0x3000, 0x0, 0x13, r1, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe) [ 66.958962][ T8537] team0: Port device team_slave_0 added [ 66.985505][ T8537] team0: Port device team_slave_1 added [ 67.017919][ T8542] IPVS: ftp: loaded support on port[0] = 21 [ 67.084759][ T8537] device hsr_slave_0 entered promiscuous mode [ 67.142286][ T8537] device hsr_slave_1 entered promiscuous mode 10:53:32 executing program 4: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ppoll(&(0x7f0000000100)=[{r0}, {r2}, {}, {}, {}, {}, {}], 0x7, 0x0, 0x0, 0x0) [ 67.277091][ T8544] IPVS: ftp: loaded support on port[0] = 21 [ 67.385599][ T8540] chnl_net:caif_netlink_parms(): no params data found [ 67.439705][ T8547] IPVS: ftp: loaded support on port[0] = 21 10:53:32 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000001c0)='/dev/loop#\x00', 0x0, 0x0) ioctl$BLKPG(r0, 0x1269, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0}) [ 67.561689][ T8537] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.666630][ T8537] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.726148][ T8540] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.733913][ T8540] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.741425][ T8540] device bridge_slave_0 entered promiscuous mode [ 67.750586][ T8540] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.758397][ T8540] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.766948][ T8540] device bridge_slave_1 entered promiscuous mode [ 67.789273][ T8537] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.834956][ T8537] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.919322][ T8550] IPVS: ftp: loaded support on port[0] = 21 [ 67.919515][ T8544] chnl_net:caif_netlink_parms(): no params data found [ 67.937120][ T8542] chnl_net:caif_netlink_parms(): no params data found [ 67.985726][ T8540] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.019942][ T8544] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.027933][ T8544] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.036089][ T8544] device bridge_slave_0 entered promiscuous mode [ 68.045103][ T8540] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.068908][ T8540] team0: Port device team_slave_0 added [ 68.080073][ T8542] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.087483][ T8542] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.095148][ T8542] device bridge_slave_0 entered promiscuous mode [ 68.102374][ T8544] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.109419][ T8544] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.118546][ T8544] device bridge_slave_1 entered promiscuous mode [ 68.139096][ T8540] team0: Port device team_slave_1 added [ 68.146226][ T8542] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.153415][ T8542] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.161008][ T8542] device bridge_slave_1 entered promiscuous mode [ 68.177487][ T8544] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.196431][ T8544] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.253583][ T8547] chnl_net:caif_netlink_parms(): no params data found [ 68.313598][ T8540] device hsr_slave_0 entered promiscuous mode [ 68.362324][ T8540] device hsr_slave_1 entered promiscuous mode [ 68.402112][ T8540] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.409862][ T8540] Cannot create hsr debugfs directory [ 68.417086][ T8544] team0: Port device team_slave_0 added [ 68.424948][ T8542] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.439616][ T8542] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.470724][ T8544] team0: Port device team_slave_1 added [ 68.544070][ T8544] device hsr_slave_0 entered promiscuous mode [ 68.572479][ T8544] device hsr_slave_1 entered promiscuous mode [ 68.612146][ T8544] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.619855][ T8544] Cannot create hsr debugfs directory [ 68.635897][ T8542] team0: Port device team_slave_0 added [ 68.645026][ T8547] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.652881][ T8547] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.660413][ T8547] device bridge_slave_0 entered promiscuous mode [ 68.668986][ T8547] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.676507][ T8547] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.684318][ T8547] device bridge_slave_1 entered promiscuous mode [ 68.704611][ T8542] team0: Port device team_slave_1 added [ 68.728016][ T8547] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.740560][ T8547] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.828049][ T8540] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.897501][ T8540] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.968403][ T8537] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.977326][ T8547] team0: Port device team_slave_0 added [ 68.994510][ T8540] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.063917][ T8542] device hsr_slave_0 entered promiscuous mode [ 69.112440][ T8542] device hsr_slave_1 entered promiscuous mode [ 69.152816][ T8542] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.160416][ T8542] Cannot create hsr debugfs directory [ 69.168238][ T8550] chnl_net:caif_netlink_parms(): no params data found [ 69.183495][ T8547] team0: Port device team_slave_1 added [ 69.197331][ T8540] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.270731][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.280691][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.313403][ T8537] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.384838][ T8547] device hsr_slave_0 entered promiscuous mode [ 69.442405][ T8547] device hsr_slave_1 entered promiscuous mode [ 69.492153][ T8547] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.499750][ T8547] Cannot create hsr debugfs directory [ 69.514231][ T8550] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.521300][ T8550] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.530269][ T8550] device bridge_slave_0 entered promiscuous mode [ 69.538501][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.547492][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.556395][ T2689] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.563609][ T2689] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.571752][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.607879][ T8550] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.615307][ T8550] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.623155][ T8550] device bridge_slave_1 entered promiscuous mode [ 69.659147][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.667797][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.676478][ T2921] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.683560][ T2921] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.697832][ T8544] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.757389][ T8544] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.828011][ T8544] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.876228][ T8544] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.944645][ T8550] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.956399][ T8550] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.975392][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.983847][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.994181][ T8542] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 70.070421][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.079617][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.088271][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.099262][ T8542] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 70.138314][ T8542] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 70.194330][ T8550] team0: Port device team_slave_0 added [ 70.200616][ T8542] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.269580][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.278220][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.298223][ T8550] team0: Port device team_slave_1 added [ 70.325538][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.335013][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.363699][ T8540] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.395454][ T8550] device hsr_slave_0 entered promiscuous mode [ 70.442377][ T8550] device hsr_slave_1 entered promiscuous mode [ 70.482033][ T8550] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.489651][ T8550] Cannot create hsr debugfs directory [ 70.496016][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.504474][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.518537][ T8537] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.536456][ T8547] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.585918][ T8547] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.641631][ T8540] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.665790][ T8547] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.705212][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.713027][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.745573][ T8547] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.794079][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.804097][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.812515][ T2760] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.819560][ T2760] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.827505][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.835252][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.843077][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.851843][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.860230][ T2760] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.867353][ T2760] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.878581][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.889547][ T8537] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.921493][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.930516][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.944416][ T8544] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.977929][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.987780][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.999260][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.007810][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.016776][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.025107][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.034481][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.055486][ T8542] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.076373][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.085783][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.096673][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.105176][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.120454][ T8537] device veth0_vlan entered promiscuous mode [ 71.133460][ T8540] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.162547][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.170724][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.182668][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.190870][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.199883][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.207874][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.216458][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.224281][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.233692][ T8544] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.248060][ T8542] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.266206][ T8537] device veth1_vlan entered promiscuous mode [ 71.275207][ T2923] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.283422][ T2923] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.291822][ T2923] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.300184][ T2923] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.307241][ T2923] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.330846][ T2923] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.339152][ T2923] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.347748][ T2923] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.356519][ T2923] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.363604][ T2923] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.371326][ T2923] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.378811][ T2923] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.395717][ T8540] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.414226][ T8550] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.446214][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.455063][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.463559][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.476230][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.484849][ T2920] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.491887][ T2920] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.500471][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.508920][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.517618][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.525879][ T2920] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.532957][ T2920] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.540633][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.549485][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.557989][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.566479][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.575183][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.584263][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.609417][ T8550] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 71.651207][ T8544] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.665327][ T8544] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.676732][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.687508][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.696064][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.706465][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.715272][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.724224][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.734003][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.742315][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.750449][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.758933][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.767398][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.775654][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.789755][ T8547] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.803080][ T8550] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 71.870909][ T8544] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.887405][ T8556] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 71.997006][ T8544] device veth0_vlan entered promiscuous mode [ 72.030909][ T8544] device veth1_vlan entered promiscuous mode [ 176.831915][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.838786][ C1] rcu: 1-....: (10499 ticks this GP) idle=8f2/1/0x4000000000000002 softirq=13669/13669 fqs=5247 [ 176.849640][ C1] (t=10501 jiffies g=6769 q=932) [ 176.854656][ C1] NMI backtrace for cpu 1 [ 176.858974][ C1] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.5.0-rc5-syzkaller #0 [ 176.867154][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.877232][ C1] Workqueue: events_unbound fsnotify_connector_destroy_workfn [ 176.884661][ C1] Call Trace: [ 176.887921][ C1] [ 176.890753][ C1] dump_stack+0x1fb/0x318 [ 176.895058][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.899886][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 176.906047][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 176.912107][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 176.918079][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 176.923960][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 176.929072][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 176.934254][ C1] ? trace_hardirqs_off+0x74/0x80 [ 176.939373][ C1] update_process_times+0x12d/0x180 [ 176.944604][ C1] tick_sched_timer+0x263/0x420 [ 176.949434][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.954959][ C1] __hrtimer_run_queues+0x403/0x840 [ 176.960155][ C1] hrtimer_interrupt+0x38c/0xda0 [ 176.965142][ C1] ? debug_smp_processor_id+0x9/0x20 [ 176.970448][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 176.976027][ C1] apic_timer_interrupt+0xf/0x20 [ 176.980979][ C1] [ 176.983898][ C1] RIP: 0010:free_thread_stack+0x151/0x590 [ 176.989590][ C1] Code: 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 73 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 55 94 6a 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 177.009168][ C1] RSP: 0018:ffffc90000cdf908 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 177.017553][ C1] RAX: 1ffff11014010e11 RBX: ffff8880a0087088 RCX: 0000000000000000 [ 177.025499][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00023bef00 [ 177.033447][ C1] RBP: ffffc90000cdf940 R08: dffffc0000000000 R09: fffffbfff124248a [ 177.041406][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a0087120 [ 177.049402][ C1] R13: dffffc0000000000 R14: 1ffff11014010e24 R15: ffff888097e235b8 [ 177.057375][ C1] ? free_thread_stack+0x12e/0x590 [ 177.062464][ C1] put_task_stack+0xa3/0x130 [ 177.067078][ C1] finish_task_switch+0x3f1/0x550 [ 177.072124][ C1] __schedule+0x9a8/0xcc0 [ 177.076435][ C1] ? ___preempt_schedule+0x16/0x18 [ 177.081534][ C1] preempt_schedule+0xdb/0x120 [ 177.086272][ C1] ___preempt_schedule+0x16/0x18 [ 177.091186][ C1] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 177.096795][ C1] __call_srcu+0x7ab/0xb00 [ 177.101204][ C1] __synchronize_srcu+0x1cf/0x260 [ 177.106202][ C1] ? rcu_read_lock_any_held+0x1a0/0x1a0 [ 177.111723][ C1] synchronize_srcu+0x2cb/0x2f0 [ 177.116563][ C1] fsnotify_connector_destroy_workfn+0x44/0xb0 [ 177.122691][ C1] process_one_work+0x7ef/0x10d0 [ 177.127609][ C1] worker_thread+0xc01/0x1630 [ 177.132379][ C1] kthread+0x332/0x350 [ 177.136421][ C1] ? rcu_lock_release+0x30/0x30 [ 177.141259][ C1] ? kthread_blkcg+0xe0/0xe0 [ 177.145841][ C1] ret_from_fork+0x24/0x30