[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 57.368073][ T27] audit: type=1800 audit(1578459213.837:25): pid=8514 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 57.399466][ T27] audit: type=1800 audit(1578459213.847:26): pid=8514 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 57.440958][ T27] audit: type=1800 audit(1578459213.847:27): pid=8514 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 '10.128.10.46' (ECDSA) to the list of known hosts. 2020/01/08 04:53:49 fuzzer started 2020/01/08 04:53:51 dialing manager at 10.128.0.26:35703 2020/01/08 04:53:51 syscalls: 2824 2020/01/08 04:53:51 code coverage: enabled 2020/01/08 04:53:51 comparison tracing: enabled 2020/01/08 04:53:51 extra coverage: enabled 2020/01/08 04:53:51 setuid sandbox: enabled 2020/01/08 04:53:51 namespace sandbox: enabled 2020/01/08 04:53:51 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 04:53:51 fault injection: enabled 2020/01/08 04:53:51 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 04:53:51 net packet injection: enabled 2020/01/08 04:53:51 net device setup: enabled 2020/01/08 04:53:51 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 04:53:51 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:53:52 executing program 0: pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) write$P9_RVERSION(r1, &(0x7f0000000340)=ANY=[@ANYBLOB="1500000065ffff2180100008003950323030302e5c"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_CREATE_OPEN(r2, &(0x7f0000000400)={0xa0}, 0xa0) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000200)='./file0\x00', &(0x7f0000000300)='9p\x00', 0x0, &(0x7f00000005c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2]) r3 = open$dir(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) lstat(&(0x7f0000000000)='./file0\x00', 0x0) lstat(&(0x7f0000000280)='./file0\x00', 0x0) getdents64(r3, 0x0, 0x0) getdents64(r3, 0x0, 0x0) 04:53:52 executing program 1: 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 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r0, 0x84, 0x75, 0x0, 0x0) syzkaller login: [ 76.097269][ T8684] IPVS: ftp: loaded support on port[0] = 21 [ 76.245797][ T8684] chnl_net:caif_netlink_parms(): no params data found [ 76.288775][ T8687] IPVS: ftp: loaded support on port[0] = 21 [ 76.334002][ T8684] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.349526][ T8684] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.358467][ T8684] device bridge_slave_0 entered promiscuous mode 04:53:52 executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff}, 0x0) close(r0) r1 = epoll_create1(0x0) r2 = epoll_create1(0x0) r3 = timerfd_create(0x0, 0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f00000000c0)={0x60000011}) timerfd_settime(r3, 0x0, &(0x7f0000000180)={{0x77359400}, {0x0, 0x989680}}, 0x0) r4 = dup3(r3, r2, 0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r4, &(0x7f00000001c0)={0x2001}) r5 = epoll_create1(0x0) mount$9p_fd(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f00000001c0)='9p\x00', 0x0, &(0x7f00000000c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r5}}) [ 76.382077][ T8684] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.391063][ T8684] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.399080][ T8684] device bridge_slave_1 entered promiscuous mode [ 76.454649][ T8684] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.491725][ T8684] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.544505][ T8687] chnl_net:caif_netlink_parms(): no params data found [ 76.563890][ T8684] team0: Port device team_slave_0 added [ 76.582853][ T8684] team0: Port device team_slave_1 added 04:53:53 executing program 3: bpf$MAP_CREATE(0x900000000000000, &(0x7f0000000100)={0x4, 0x4, 0x200000004, 0x7, 0x0, 0xffffffffffffffff, 0x0, [0x305f, 0x2e, 0x2e, 0x80ffff, 0x2e, 0x2e, 0x80ffff, 0x5f, 0x5f, 0x5f, 0x2]}, 0x3c) [ 76.629146][ T8691] IPVS: ftp: loaded support on port[0] = 21 [ 76.672151][ T8684] device hsr_slave_0 entered promiscuous mode [ 76.789806][ T8684] device hsr_slave_1 entered promiscuous mode [ 76.826833][ T8687] bridge0: port 1(bridge_slave_0) entered blocking state 04:53:53 executing program 4: r0 = syz_open_dev$evdev(&(0x7f0000000040)='/dev/input/event#\x00', 0x0, 0x101102) writev(r0, &(0x7f0000001780)=[{&(0x7f0000000440)='\t', 0x1}], 0x1) [ 76.837762][ T8687] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.861195][ T8687] device bridge_slave_0 entered promiscuous mode [ 76.905136][ T8693] IPVS: ftp: loaded support on port[0] = 21 [ 76.913052][ T8687] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.929479][ T8687] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.961306][ T8687] device bridge_slave_1 entered promiscuous mode [ 77.025854][ T8687] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.061618][ T8687] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 04:53:53 executing program 5: r0 = io_uring_setup(0x68, &(0x7f0000000080)) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$unix(r3, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, &(0x7f00000002c0)=ANY=[@ANYBLOB="14000000000000000100000001000000", @ANYRES32=r0], 0x14}, 0x0) recvmmsg(r4, &(0x7f0000005840)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f00000004c0)=""/207, 0xcf}}], 0x1, 0x0, 0x0) [ 77.107216][ T8687] team0: Port device team_slave_0 added [ 77.153739][ T8687] team0: Port device team_slave_1 added [ 77.177347][ T8695] IPVS: ftp: loaded support on port[0] = 21 [ 77.267756][ T8684] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.332150][ T8684] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.412008][ T8687] device hsr_slave_0 entered promiscuous mode [ 77.449871][ T8687] device hsr_slave_1 entered promiscuous mode [ 77.489560][ T8687] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 77.497300][ T8687] Cannot create hsr debugfs directory [ 77.502998][ T8691] chnl_net:caif_netlink_parms(): no params data found [ 77.517440][ T8684] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.581741][ T8684] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.656786][ T8698] IPVS: ftp: loaded support on port[0] = 21 [ 77.735760][ T8691] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.743994][ T8691] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.751874][ T8691] device bridge_slave_0 entered promiscuous mode [ 77.761763][ T8691] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.768818][ T8691] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.776933][ T8691] device bridge_slave_1 entered promiscuous mode [ 77.806244][ T8693] chnl_net:caif_netlink_parms(): no params data found [ 77.825448][ T8691] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.868522][ T8693] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.878297][ T8693] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.886509][ T8693] device bridge_slave_0 entered promiscuous mode [ 77.896236][ T8691] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.918842][ T8691] team0: Port device team_slave_0 added [ 77.931909][ T8687] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 77.970779][ T8693] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.977845][ T8693] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.987539][ T8693] device bridge_slave_1 entered promiscuous mode [ 78.003885][ T8691] team0: Port device team_slave_1 added [ 78.013412][ T8687] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 78.064972][ T8687] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 78.136016][ T8693] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.146839][ T8687] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 78.226862][ T8693] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.331176][ T8691] device hsr_slave_0 entered promiscuous mode [ 78.379955][ T8691] device hsr_slave_1 entered promiscuous mode [ 78.419967][ T8691] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 78.427562][ T8691] Cannot create hsr debugfs directory [ 78.435731][ T8693] team0: Port device team_slave_0 added [ 78.443574][ T8693] team0: Port device team_slave_1 added [ 78.457485][ T8698] chnl_net:caif_netlink_parms(): no params data found [ 78.487010][ T8695] chnl_net:caif_netlink_parms(): no params data found [ 78.572137][ T8693] device hsr_slave_0 entered promiscuous mode [ 78.610641][ T8693] device hsr_slave_1 entered promiscuous mode [ 78.669568][ T8693] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 78.677160][ T8693] Cannot create hsr debugfs directory [ 78.732519][ T8695] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.740702][ T8695] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.748460][ T8695] device bridge_slave_0 entered promiscuous mode [ 78.757890][ T8695] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.765035][ T8695] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.772938][ T8695] device bridge_slave_1 entered promiscuous mode [ 78.804381][ T8684] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.847944][ T8684] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.863846][ T8698] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.871734][ T8698] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.879614][ T8698] device bridge_slave_0 entered promiscuous mode [ 78.887877][ T8698] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.895419][ T8698] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.903118][ T8698] device bridge_slave_1 entered promiscuous mode [ 78.911884][ T8695] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.922124][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.931052][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.966286][ T8695] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.991237][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 79.002597][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.012143][ T2765] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.019253][ T2765] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.030640][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 79.039089][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.047563][ T2765] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.055075][ T2765] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.064000][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 79.091316][ T8698] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.103919][ T8695] team0: Port device team_slave_0 added [ 79.116376][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 79.126567][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 79.135560][ T8691] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 79.173413][ T8691] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 79.222561][ T8691] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 79.273146][ T8698] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.283428][ T8695] team0: Port device team_slave_1 added [ 79.307478][ T8691] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 79.361910][ T8698] team0: Port device team_slave_0 added [ 79.370493][ T8698] team0: Port device team_slave_1 added [ 79.391740][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 79.400904][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.409328][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 79.417993][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.426656][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 79.512389][ T8695] device hsr_slave_0 entered promiscuous mode [ 79.559909][ T8695] device hsr_slave_1 entered promiscuous mode [ 79.619563][ T8695] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 79.619595][ T8695] Cannot create hsr debugfs directory [ 79.636710][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 79.646204][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 79.659001][ T8687] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.702109][ T8698] device hsr_slave_0 entered promiscuous mode [ 79.749900][ T8698] device hsr_slave_1 entered promiscuous mode [ 79.809601][ T8698] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 79.817215][ T8698] Cannot create hsr debugfs directory [ 79.822927][ T8693] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 79.867269][ T8693] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 79.924890][ T8693] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 79.981882][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 79.992017][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.010087][ T8684] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.021759][ T8693] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 80.097651][ T8687] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.115016][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 80.124115][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.171288][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 80.180832][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.189162][ T2783] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.196266][ T2783] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.204235][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 80.212008][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 80.228789][ T8684] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.251034][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.261188][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 80.270224][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.278628][ T2779] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.285752][ T2779] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.293774][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 80.302566][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 80.346402][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 80.357904][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 80.367094][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 80.376140][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.384783][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 80.393452][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.403112][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 80.411818][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.452741][ T3023] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.466380][ T8695] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 80.515571][ T8687] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 80.527753][ T8687] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.545942][ T8695] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 80.581286][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 80.590271][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.628621][ T8684] device veth0_vlan entered promiscuous mode [ 80.640208][ T8695] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 80.672387][ T8698] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 80.735101][ T8698] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 80.771627][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 80.784205][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 80.793412][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 80.801816][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 80.810944][ T8695] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 80.854684][ T8691] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.865308][ T8698] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 80.914757][ T8684] device veth1_vlan entered promiscuous mode [ 80.935844][ T8687] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.952334][ T8698] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 81.002312][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.009919][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.017373][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 81.025236][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.049144][ T8693] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.065673][ T8691] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.121119][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 81.129268][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.138127][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 81.147647][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 81.163298][ T8693] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.179882][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 81.188970][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.197715][ T2766] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.205508][ T2766] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.213196][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.222084][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.231063][ T2766] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.238282][ T2766] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.246091][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 81.275314][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 81.294456][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 81.310499][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.318943][ T2764] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.326039][ T2764] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.337797][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.352446][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.361238][ T2764] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.368427][ T2764] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.428109][ T8691] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 81.438669][ T8691] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 81.470036][ T8691] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.484719][ T8687] device veth0_vlan entered promiscuous mode [ 81.501043][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 81.510156][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 81.520142][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 81.529298][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 81.538959][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.548907][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 81.558420][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.570924][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 81.579904][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 81.588570][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.597369][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 81.606402][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.615283][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 81.632346][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.648539][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 81.657953][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.672623][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.683513][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.694342][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 81.705715][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 81.739780][ T8698] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.765602][ T8687] device veth1_vlan entered promiscuous mode [ 81.797615][ T8695] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.804654][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.821184][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.829260][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.843496][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 81.854217][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 81.868490][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 81.879020][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 81.894615][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.927624][ T8698] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.964106][ T8693] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 81.984975][ T8693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.016154][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 82.025214][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.045105][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 82.058752][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 82.073723][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.084151][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.095848][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.106172][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.145197][ T8695] 8021q: adding VLAN 0 to HW filter on device team0 [ 186.299360][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 186.306194][ C1] rcu: 1-...!: (10499 ticks this GP) idle=8f2/1/0x4000000000000002 softirq=15192/15192 fqs=41 [ 186.316776][ C1] (t=10501 jiffies g=7165 q=989) [ 186.322254][ C1] rcu: rcu_preempt kthread starved for 10416 jiffies! g7165 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 186.333698][ C1] rcu: RCU grace-period kthread stack dump: [ 186.339664][ C1] rcu_preempt I28864 10 2 0x80004000 [ 186.347130][ C1] Call Trace: [ 186.350506][ C1] __schedule+0x9a0/0xcc0 [ 186.355024][ C1] schedule+0x181/0x210 [ 186.359180][ C1] schedule_timeout+0x14f/0x240 [ 186.364025][ C1] ? run_local_timers+0x120/0x120 [ 186.369047][ C1] rcu_gp_kthread+0xed8/0x1770 [ 186.373901][ C1] kthread+0x332/0x350 [ 186.380318][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 186.385420][ C1] ? kthread_blkcg+0xe0/0xe0 [ 186.390111][ C1] ret_from_fork+0x24/0x30 [ 186.394618][ C1] NMI backtrace for cpu 1 [ 186.399048][ C1] CPU: 1 PID: 8653 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 186.407273][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 186.417318][ C1] Call Trace: [ 186.420592][ C1] [ 186.423437][ C1] dump_stack+0x1fb/0x318 [ 186.427775][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 186.432701][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 186.438848][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 186.445050][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 186.451046][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 186.457314][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 186.462531][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 186.467729][ C1] ? trace_hardirqs_off+0x74/0x80 [ 186.472751][ C1] update_process_times+0x12d/0x180 [ 186.477946][ C1] tick_sched_timer+0x263/0x420 [ 186.482891][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 186.488538][ C1] __hrtimer_run_queues+0x403/0x840 [ 186.493741][ C1] hrtimer_interrupt+0x38c/0xda0 [ 186.498683][ C1] ? debug_smp_processor_id+0x9/0x20 [ 186.503960][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 186.509508][ C1] apic_timer_interrupt+0xf/0x20 [ 186.514433][ C1] [ 186.517361][ C1] RIP: 0010:__memcg_kmem_uncharge+0x138/0x1a0 [ 186.523517][ C1] Code: 42 8a 04 28 84 c0 75 3b f6 03 01 75 10 49 83 c7 10 4c 89 ff 48 8b 75 d0 e8 f5 90 00 00 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f <5d> c3 44 89 e1 80 e1 07 80 c1 03 38 c1 7c 96 4c 89 e7 e8 11 06 fb [ 186.543111][ C1] RSP: 0018:ffffc90001d87b00 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 186.551518][ C1] RAX: 0000000000000001 RBX: ffffea00024e6040 RCX: 0000000000000000 [ 186.559478][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00024e6040 [ 186.567435][ C1] RBP: ffffc90001d87b00 R08: 000000000003a728 R09: fffffbfff124248a [ 186.575392][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a90e1ea0 [ 186.583365][ C1] R13: dffffc0000000000 R14: 1ffff1101521c3d4 R15: ffff8880920ed878 [ 186.591371][ C1] free_thread_stack+0x12e/0x590 [ 186.596312][ C1] put_task_stack+0xa3/0x130 [ 186.600893][ C1] finish_task_switch+0x3f1/0x550 [ 186.605918][ C1] __schedule+0x9a8/0xcc0 [ 186.610248][ C1] schedule+0x181/0x210 [ 186.614398][ C1] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 186.620458][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 186.626258][ C1] schedule_hrtimeout_range+0x2a/0x40 [ 186.631620][ C1] ep_poll+0xa4d/0xe80 [ 186.635688][ C1] ? do_task_dead+0xc0/0xc0 [ 186.640182][ C1] ? __kasan_check_read+0x11/0x20 [ 186.645195][ C1] do_epoll_wait+0x1ee/0x260 [ 186.649796][ C1] __x64_sys_epoll_wait+0x9a/0xb0 [ 186.654822][ C1] do_syscall_64+0xf7/0x1c0 [ 186.659328][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 186.665212][ C1] RIP: 0033:0x7fab0cd4e943 [ 186.669653][ C1] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 186.689262][ C1] RSP: 002b:00007ffe136c6ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 186.697672][ C1] RAX: ffffffffffffffda RBX: 00000000010ec250 RCX: 00007fab0cd4e943 [ 186.705636][ C1] RDX: 0000000000000004 RSI: 00007ffe136c6db0 RDI: 0000000000000007 [ 186.713611][ C1] RBP: 0000000000625500 R08: 00007ffe136c6cd0 R09: 00007ffe137670b8 [ 186.721594][ C1] R10: 000000000000ee42 R11: 0000000000000246 R12: 00000000010fdc90 [ 186.729562][ C1] R13: 00007ffe136c7e07 R14: 0000000000000005 R15: 00000000010ec250