[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 50.720203][ T27] audit: type=1800 audit(1578471728.552:25): pid=8382 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 50.759013][ T27] audit: type=1800 audit(1578471728.552:26): pid=8382 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 50.802655][ T27] audit: type=1800 audit(1578471728.552:27): pid=8382 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 '10.128.10.2' (ECDSA) to the list of known hosts. 2020/01/08 08:22:17 fuzzer started 2020/01/08 08:22:19 dialing manager at 10.128.0.26:35703 2020/01/08 08:22:19 syscalls: 2824 2020/01/08 08:22:19 code coverage: enabled 2020/01/08 08:22:19 comparison tracing: enabled 2020/01/08 08:22:19 extra coverage: enabled 2020/01/08 08:22:19 setuid sandbox: enabled 2020/01/08 08:22:19 namespace sandbox: enabled 2020/01/08 08:22:19 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 08:22:19 fault injection: enabled 2020/01/08 08:22:19 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 08:22:19 net packet injection: enabled 2020/01/08 08:22:19 net device setup: enabled 2020/01/08 08:22:19 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 08:22:19 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:22:20 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) sendmmsg$inet(r0, &(0x7f0000001e00)=[{{&(0x7f0000000000)={0x2, 0x4e21, @empty}, 0x10, 0x0}}, {{&(0x7f0000001540)={0x2, 0x4e23, @local}, 0x10, 0x0, 0x0, &(0x7f0000000100)=[@ip_retopts={{0x18, 0x0, 0x7, {[@rr={0x7, 0x7, 0x6, [@remote]}]}}}], 0x18}}], 0x2, 0x0) 08:22:20 executing program 1: r0 = openat$audio(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/audio\x00', 0x40000000806, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$int_in(r0, 0x800000c0045006, &(0x7f0000000000)=0x7b) syzkaller login: [ 62.489369][ T8546] IPVS: ftp: loaded support on port[0] = 21 [ 62.561641][ T8549] IPVS: ftp: loaded support on port[0] = 21 08:22:20 executing program 2: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x3ea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000000040)="390000001000050468fe0704000000000700ff3f26000000450001070000001419001a0015000a00050008000300000800005d14a4e91ee438", 0x39}], 0x1) [ 62.698021][ T8546] chnl_net:caif_netlink_parms(): no params data found [ 62.733409][ T8549] chnl_net:caif_netlink_parms(): no params data found [ 62.785758][ T8546] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.793501][ T8546] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.801701][ T8546] device bridge_slave_0 entered promiscuous mode [ 62.812381][ T8546] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.819563][ T8546] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.827461][ T8546] device bridge_slave_1 entered promiscuous mode [ 62.862210][ T8546] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.878438][ T8549] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.885865][ T8549] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.899241][ T8549] device bridge_slave_0 entered promiscuous mode [ 62.907964][ T8546] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.920864][ T8549] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.927969][ T8549] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.936578][ T8549] device bridge_slave_1 entered promiscuous mode [ 62.977278][ T8546] team0: Port device team_slave_0 added [ 62.986819][ T8549] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.012340][ T8549] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 08:22:20 executing program 3: r0 = syz_open_dev$evdev(&(0x7f0000000080)='/dev/input/event#\x00', 0xc, 0x28001) ioctl$EVIOCSFF(0xffffffffffffffff, 0x40304580, &(0x7f00000000c0)={0x0, 0x0, 0x0, {0x0, 0x100000000000001}, {0x55, 0x2}, @ramp}) write$evdev(r0, &(0x7f0000000040), 0x1b3) [ 63.023076][ T8546] team0: Port device team_slave_1 added [ 63.037715][ T8553] IPVS: ftp: loaded support on port[0] = 21 [ 63.066466][ T8549] team0: Port device team_slave_0 added [ 63.112761][ T8546] device hsr_slave_0 entered promiscuous mode [ 63.178668][ T8546] device hsr_slave_1 entered promiscuous mode [ 63.234147][ T8549] team0: Port device team_slave_1 added 08:22:21 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x5, 0x0, 0x0, 0x0, 0x61, 0x10, 0x5c}, [@ldst={0x4, 0x3, 0x4, 0x5}]}, &(0x7f0000003ff6)='GPL\x00', 0x5, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x16a, 0x10, &(0x7f0000000000), 0x3}, 0x48) [ 63.340766][ T8549] device hsr_slave_0 entered promiscuous mode [ 63.379458][ T8549] device hsr_slave_1 entered promiscuous mode [ 63.418359][ T8549] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.426236][ T8549] Cannot create hsr debugfs directory [ 63.455592][ T8555] IPVS: ftp: loaded support on port[0] = 21 [ 63.522216][ T8557] IPVS: ftp: loaded support on port[0] = 21 08:22:21 executing program 5: r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000009fe8)={0xaa, 0x22}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000911000)={{&(0x7f00003e3000/0x1000)=nil, 0x1000}, 0x1}) accept4$tipc(0xffffffffffffffff, &(0x7f0000000000)=@id, &(0x7f0000000040)=0x10, 0x80000) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000009fe8)={0xaa, 0xe}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f00000001c0)={{&(0x7f00004b4000/0x1000)=nil, 0x1000}, 0x1}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000913000)={{&(0x7f00004b3000/0x5000)=nil, 0x5000}, 0x1}) clone(0x0, 0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) read(r1, &(0x7f0000000200)=""/100, 0x64) read(r0, &(0x7f0000000400)=""/100, 0x64) [ 63.747475][ T8560] IPVS: ftp: loaded support on port[0] = 21 [ 63.765693][ T8549] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 63.822512][ T8549] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 63.869514][ T8546] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.941976][ T8546] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.001873][ T8546] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.060751][ T8546] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.110345][ T8553] chnl_net:caif_netlink_parms(): no params data found [ 64.122295][ T8549] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.172645][ T8549] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.290058][ T8553] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.297210][ T8553] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.305023][ T8553] device bridge_slave_0 entered promiscuous mode [ 64.314208][ T8553] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.321383][ T8553] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.330661][ T8553] device bridge_slave_1 entered promiscuous mode [ 64.350546][ T8553] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.385786][ T8553] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.428936][ T8555] chnl_net:caif_netlink_parms(): no params data found [ 64.456201][ T8553] team0: Port device team_slave_0 added [ 64.472339][ T8557] chnl_net:caif_netlink_parms(): no params data found [ 64.482307][ T8553] team0: Port device team_slave_1 added [ 64.580881][ T8553] device hsr_slave_0 entered promiscuous mode [ 64.618617][ T8553] device hsr_slave_1 entered promiscuous mode [ 64.658354][ T8553] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.665988][ T8553] Cannot create hsr debugfs directory [ 64.699441][ T8560] chnl_net:caif_netlink_parms(): no params data found [ 64.772834][ T8555] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.780349][ T8555] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.788029][ T8555] device bridge_slave_0 entered promiscuous mode [ 64.817566][ T8555] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.825076][ T8555] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.833203][ T8555] device bridge_slave_1 entered promiscuous mode [ 64.863709][ T8557] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.871055][ T8557] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.879073][ T8557] device bridge_slave_0 entered promiscuous mode [ 64.902568][ T8560] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.911176][ T8560] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.919617][ T8560] device bridge_slave_0 entered promiscuous mode [ 64.932652][ T8557] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.940351][ T8557] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.947998][ T8557] device bridge_slave_1 entered promiscuous mode [ 64.957519][ T8546] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.970864][ T8549] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.977743][ T8560] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.986244][ T8560] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.995598][ T8560] device bridge_slave_1 entered promiscuous mode [ 65.004465][ T8555] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.015942][ T8555] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.041994][ T8553] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.104965][ T8557] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.121788][ T8560] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.132064][ T8553] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.192901][ T8555] team0: Port device team_slave_0 added [ 65.201737][ T8555] team0: Port device team_slave_1 added [ 65.208789][ T8557] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.219550][ T8560] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.232297][ T8553] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.285142][ T8546] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.311642][ T8553] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.372807][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.381394][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.389928][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.397766][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.405705][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.414192][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.423236][ T2779] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.430448][ T2779] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.440245][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.464669][ T8557] team0: Port device team_slave_0 added [ 65.473189][ T8560] team0: Port device team_slave_0 added [ 65.481132][ T8557] team0: Port device team_slave_1 added [ 65.488079][ T8549] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.497044][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.505972][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.514861][ T2779] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.521962][ T2779] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.581073][ T8555] device hsr_slave_0 entered promiscuous mode [ 65.618750][ T8555] device hsr_slave_1 entered promiscuous mode [ 65.658443][ T8555] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.666036][ T8555] Cannot create hsr debugfs directory [ 65.679156][ T8560] team0: Port device team_slave_1 added [ 65.740166][ T8557] device hsr_slave_0 entered promiscuous mode [ 65.788659][ T8557] device hsr_slave_1 entered promiscuous mode [ 65.828442][ T8557] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.836038][ T8557] Cannot create hsr debugfs directory [ 65.843869][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.852826][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.864467][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.872968][ T2779] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.880039][ T2779] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.930458][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.938769][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.947211][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.956148][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.965000][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.974013][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.982464][ T2779] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.989661][ T2779] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.997254][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.006248][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.014979][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.035075][ T8546] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.046328][ T8546] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.090115][ T8560] device hsr_slave_0 entered promiscuous mode [ 66.139067][ T8560] device hsr_slave_1 entered promiscuous mode [ 66.178589][ T8560] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.186228][ T8560] Cannot create hsr debugfs directory [ 66.210406][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.222449][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.232327][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.241051][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.249899][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.258100][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.266939][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.340572][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.349341][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.357567][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.367306][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.397763][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.417624][ T8549] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.429542][ T8549] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.445126][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.458564][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.468539][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.476808][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.485710][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.493248][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.504876][ T8555] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.584370][ T8560] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 66.640604][ T8560] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 66.679931][ T2704] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.687679][ T8560] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 66.751181][ T8555] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 66.800868][ T8555] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 66.854799][ T8546] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.863093][ T8560] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 66.920118][ T8555] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 66.960317][ T2704] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.967800][ T2704] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.997715][ T8549] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.024570][ T8557] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 67.082412][ T8553] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.104815][ T8557] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.141145][ T8557] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 67.221205][ T8557] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 67.250726][ T2704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.261047][ T2704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.294397][ T8553] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.313843][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.322742][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.338350][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.346889][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.379650][ T8549] device veth0_vlan entered promiscuous mode [ 67.388653][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.396309][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.404905][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.413992][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.422695][ T2779] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.429811][ T2779] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.437554][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.446354][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.454682][ T2779] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.461862][ T2779] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.469546][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.477964][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.486657][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.495434][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.504814][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.531869][ T8549] device veth1_vlan entered promiscuous mode [ 67.556992][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.566248][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.575882][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.584680][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.593506][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.602945][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.611648][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.620006][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.637746][ T8553] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.648992][ T8553] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.662813][ T8546] device veth0_vlan entered promiscuous mode [ 67.689919][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.697708][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.706554][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.715004][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.723477][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.732731][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.741048][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.750953][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.777318][ T2704] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.785176][ T2704] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.811249][ T8553] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.863800][ T8560] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.887085][ T8555] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.911851][ T8555] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.971416][ T8555] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.990897][ T8555] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.007294][ T8546] device veth1_vlan entered promiscuous mode [ 68.063482][ T8557] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.087824][ T8557] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.146958][ T8557] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.163243][ T8557] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.200338][ T8557] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 173.038240][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 173.045152][ C0] rcu: 0-...!: (1 GPs behind) idle=612/1/0x4000000000000002 softirq=13373/13378 fqs=7 [ 173.055024][ C0] (t=10500 jiffies g=6609 q=690) [ 173.060066][ C0] rcu: rcu_preempt kthread starved for 10483 jiffies! g6609 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 173.071185][ C0] rcu: RCU grace-period kthread stack dump: [ 173.077089][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 173.084996][ C0] Call Trace: [ 173.088303][ C0] __schedule+0x9a0/0xcc0 [ 173.092672][ C0] schedule+0x181/0x210 [ 173.096844][ C0] schedule_timeout+0x14f/0x240 [ 173.102319][ C0] ? run_local_timers+0x120/0x120 [ 173.107360][ C0] rcu_gp_kthread+0xed8/0x1770 [ 173.112137][ C0] kthread+0x332/0x350 [ 173.116226][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 173.121353][ C0] ? kthread_blkcg+0xe0/0xe0 [ 173.125945][ C0] ret_from_fork+0x24/0x30 [ 173.130381][ C0] NMI backtrace for cpu 0 [ 173.134710][ C0] CPU: 0 PID: 8236 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 173.142616][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.152682][ C0] Call Trace: [ 173.155971][ C0] [ 173.159091][ C0] dump_stack+0x1fb/0x318 [ 173.163414][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 173.168268][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 173.174608][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 173.180676][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 173.186778][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 173.192666][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 173.197797][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 173.203010][ C0] ? trace_hardirqs_off+0x74/0x80 [ 173.208049][ C0] update_process_times+0x12d/0x180 [ 173.213284][ C0] tick_sched_timer+0x263/0x420 [ 173.218144][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 173.223835][ C0] __hrtimer_run_queues+0x403/0x840 [ 173.229080][ C0] hrtimer_interrupt+0x38c/0xda0 [ 173.234042][ C0] ? debug_smp_processor_id+0x9/0x20 [ 173.239321][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 173.244864][ C0] apic_timer_interrupt+0xf/0x20 [ 173.249788][ C0] [ 173.252717][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x14/0x50 [ 173.258865][ C0] Code: 00 00 00 48 8b 3d f4 f4 ed 07 48 89 de e8 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 fa 02 75 21 48 8b 91 [ 173.278460][ C0] RSP: 0018:ffffc900060ff9f0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 173.286888][ C0] RAX: ffffffff81489244 RBX: ffffea0002550280 RCX: ffff88808edd84c0 [ 173.294877][ C0] RDX: 0000000000000001 RSI: 00000000fffffffc RDI: ffffea0002550280 [ 173.302843][ C0] RBP: ffffc900060ffa30 R08: dffffc0000000000 R09: fffffbfff124248a [ 173.310817][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff888095716c20 [ 173.319039][ C0] R13: dffffc0000000000 R14: 1ffff11012ae2d84 R15: ffff8880a35353f8 [ 173.327027][ C0] ? free_thread_stack+0x124/0x590 [ 173.332139][ C0] ? free_thread_stack+0x124/0x590 [ 173.337250][ C0] put_task_stack+0xa3/0x130 [ 173.341874][ C0] finish_task_switch+0x3f1/0x550 [ 173.346893][ C0] __schedule+0x9a8/0xcc0 [ 173.351223][ C0] preempt_schedule_irq+0xc1/0x140 [ 173.356323][ C0] retint_kernel+0x1b/0x2b [ 173.360738][ C0] RIP: 0010:vm_area_alloc+0x0/0xf0 [ 173.365836][ C0] Code: 03 38 c1 0f 8c 08 ff ff ff 48 c7 c7 48 b3 64 89 e8 75 4f 6b 00 e9 f7 fe ff ff 55 48 89 e5 e8 37 e7 2e 00 5d c3 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 54 53 49 89 ff e8 1d e7 2e 00 48 8b 3d [ 173.385579][ C0] RSP: 0018:ffffc900060ffc40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff02 [ 173.393996][ C0] RAX: 0000000000000000 RBX: ffff88809ff2a4c0 RCX: ffff88808edd84c0 [ 173.401972][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88809ff2a4c0 [ 173.409953][ C0] RBP: ffffc900060ffd28 R08: ffffffff81a60d88 R09: 0000000000000000 [ 173.417928][ C0] R10: fffffbfff12c9766 R11: 0000000000000000 R12: ffff8880a7ef9040 [ 173.426041][ C0] R13: ffff8880a7ef9060 R14: 0000000000000001 R15: 0000000000000001 [ 173.434027][ C0] ? vma_merge+0x428/0xf10 [ 173.438530][ C0] ? mmap_region+0xaf2/0x1cb0 [ 173.443289][ C0] do_mmap+0xabb/0x1120 [ 173.447471][ C0] vm_mmap_pgoff+0x13d/0x1d0 [ 173.452084][ C0] ksys_mmap_pgoff+0x104/0x560 [ 173.456861][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 173.462585][ C0] __x64_sys_mmap+0x103/0x120 [ 173.467275][ C0] do_syscall_64+0xf7/0x1c0 [ 173.471775][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.477760][ C0] RIP: 0033:0x7f102142bd0a [ 173.482169][ C0] Code: b8 ff ff ff ff e9 fa fe ff ff 48 63 fb b8 03 00 00 00 0f 05 b8 ff ff ff ff e9 e6 fe ff ff 90 90 49 89 ca b8 09 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fe c0 2a 00 31 d2 48 29 c2 64 [ 173.501986][ C0] RSP: 002b:00007ffc743f4158 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 173.510392][ C0] RAX: ffffffffffffffda RBX: 0000000002246430 RCX: 00007f102142bd0a [ 173.518609][ C0] RDX: 0000000000000003 RSI: 0000000000001000 RDI: 0000000000000000 [ 173.526587][ C0] RBP: 0000000000001000 R08: 00000000ffffffff R09: 0000000000000000 [ 173.534556][ C0] R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000420724 [ 173.542534][ C0] R13: 0000000000000002 R14: 0000000000420724 R15: 0000000000420724