[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 47.716301][ T27] audit: type=1800 audit(1578453030.616:25): pid=8347 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.747472][ T27] audit: type=1800 audit(1578453030.616:26): pid=8347 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.787642][ T27] audit: type=1800 audit(1578453030.626:27): pid=8347 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 '10.128.10.5' (ECDSA) to the list of known hosts. 2020/01/08 03:10:41 fuzzer started 2020/01/08 03:10:43 dialing manager at 10.128.0.26:35703 2020/01/08 03:10:43 syscalls: 2824 2020/01/08 03:10:43 code coverage: enabled 2020/01/08 03:10:43 comparison tracing: enabled 2020/01/08 03:10:43 extra coverage: enabled 2020/01/08 03:10:43 setuid sandbox: enabled 2020/01/08 03:10:43 namespace sandbox: enabled 2020/01/08 03:10:43 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:10:43 fault injection: enabled 2020/01/08 03:10:43 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:10:43 net packet injection: enabled 2020/01/08 03:10:43 net device setup: enabled 2020/01/08 03:10:43 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:10:43 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:10:44 executing program 0: 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 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)={0x5, 0xa, 0x40000000000007fc, 0x1}, 0x3c) bpf$MAP_LOOKUP_ELEM(0x15, &(0x7f0000000100)={r0, 0x0, 0x0}, 0x20) 03:10:45 executing program 1: mknod(&(0x7f0000000180)='./file0\x00', 0x0, 0x0) perf_event_open(&(0x7f000000a000)={0x4, 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, 0x3f}, 0x8000000200000402, 0x800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000)) syzkaller login: [ 62.310946][ T8514] IPVS: ftp: loaded support on port[0] = 21 03:10:45 executing program 2: clone(0x8100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) bpf$MAP_CREATE(0x0, &(0x7f0000000140)={0x6, 0x4, 0x4, 0xd, 0x0, 0xffffffffffffffff, 0x0, [], 0x0, 0xffffffffffffffff, 0x0, 0x3}, 0x3c) [ 62.420986][ T8516] IPVS: ftp: loaded support on port[0] = 21 [ 62.507775][ T8514] chnl_net:caif_netlink_parms(): no params data found [ 62.658338][ T8514] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.666702][ T8514] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.674788][ T8514] device bridge_slave_0 entered promiscuous mode [ 62.687924][ T8520] IPVS: ftp: loaded support on port[0] = 21 [ 62.696201][ T8516] chnl_net:caif_netlink_parms(): no params data found [ 62.706125][ T8514] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.713333][ T8514] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.721079][ T8514] device bridge_slave_1 entered promiscuous mode [ 62.747462][ T8514] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 03:10:45 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) unshare(0x40000000) [ 62.760338][ T8514] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.783328][ T8514] team0: Port device team_slave_0 added [ 62.795949][ T8514] team0: Port device team_slave_1 added [ 62.906870][ T8514] device hsr_slave_0 entered promiscuous mode [ 62.964576][ T8514] device hsr_slave_1 entered promiscuous mode [ 63.004779][ T8516] bridge0: port 1(bridge_slave_0) entered blocking state 03:10:45 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet(0x2, 0x3, 0xa0) connect$inet(r2, &(0x7f0000000180)={0x2, 0x0, @remote}, 0x10) r3 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r3, 0x0, 0x27, &(0x7f00000001c0)={@multicast2, @local}, 0xc) setsockopt$inet_msfilter(r2, 0x0, 0x4, &(0x7f0000000000)=ANY=[@ANYRES32], 0x1) [ 63.011860][ T8516] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.025127][ T8516] device bridge_slave_0 entered promiscuous mode [ 63.082979][ T8516] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.090043][ T8516] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.100256][ T8522] IPVS: ftp: loaded support on port[0] = 21 [ 63.112242][ T8516] device bridge_slave_1 entered promiscuous mode [ 63.207692][ T8516] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.248305][ T8516] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.304849][ T8516] team0: Port device team_slave_0 added [ 63.319590][ T8525] IPVS: ftp: loaded support on port[0] = 21 [ 63.336572][ T8520] chnl_net:caif_netlink_parms(): no params data found [ 63.361527][ T8516] team0: Port device team_slave_1 added 03:10:46 executing program 5: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000140)=0x3) ioctl$TCGETS2(r0, 0x802c542a, &(0x7f0000000000)) [ 63.429884][ T8514] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.479451][ T8514] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.554633][ T8514] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.635176][ T8516] device hsr_slave_0 entered promiscuous mode [ 63.673615][ T8516] device hsr_slave_1 entered promiscuous mode [ 63.722664][ T8516] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.730431][ T8516] Cannot create hsr debugfs directory [ 63.752930][ T8514] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.812265][ T8520] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.819842][ T8520] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.827879][ T8520] device bridge_slave_0 entered promiscuous mode [ 63.836555][ T8520] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.843884][ T8520] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.851511][ T8520] device bridge_slave_1 entered promiscuous mode [ 63.898034][ T8527] IPVS: ftp: loaded support on port[0] = 21 [ 63.906445][ T8520] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.918348][ T8520] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.943433][ T8520] team0: Port device team_slave_0 added [ 63.991836][ T8520] team0: Port device team_slave_1 added [ 64.050109][ T8525] chnl_net:caif_netlink_parms(): no params data found [ 64.095375][ T8520] device hsr_slave_0 entered promiscuous mode [ 64.132819][ T8520] device hsr_slave_1 entered promiscuous mode [ 64.172579][ T8520] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.180253][ T8520] Cannot create hsr debugfs directory [ 64.199337][ T8522] chnl_net:caif_netlink_parms(): no params data found [ 64.269696][ T8525] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.277573][ T8525] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.285349][ T8525] device bridge_slave_0 entered promiscuous mode [ 64.293298][ T8525] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.301139][ T8525] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.308913][ T8525] device bridge_slave_1 entered promiscuous mode [ 64.341597][ T8522] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.348840][ T8522] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.356591][ T8522] device bridge_slave_0 entered promiscuous mode [ 64.382227][ T8525] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.393889][ T8525] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.415895][ T8522] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.423811][ T8522] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.431423][ T8522] device bridge_slave_1 entered promiscuous mode [ 64.438767][ T8516] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.506130][ T8516] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.567132][ T8525] team0: Port device team_slave_0 added [ 64.588820][ T8516] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.625593][ T8516] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.685008][ T8525] team0: Port device team_slave_1 added [ 64.744476][ T8525] device hsr_slave_0 entered promiscuous mode [ 64.793066][ T8525] device hsr_slave_1 entered promiscuous mode [ 64.822776][ T8525] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.830357][ T8525] Cannot create hsr debugfs directory [ 64.837758][ T8522] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.851296][ T8522] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.929999][ T8522] team0: Port device team_slave_0 added [ 64.947133][ T8520] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.994337][ T8520] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.053388][ T8522] team0: Port device team_slave_1 added [ 65.061128][ T8514] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.072038][ T8520] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.115921][ T8520] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.192039][ T8527] chnl_net:caif_netlink_parms(): no params data found [ 65.255934][ T8522] device hsr_slave_0 entered promiscuous mode [ 65.292955][ T8522] device hsr_slave_1 entered promiscuous mode [ 65.332573][ T8522] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.340188][ T8522] Cannot create hsr debugfs directory [ 65.373293][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.381643][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.406754][ T8514] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.437891][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.446971][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.455691][ T3934] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.462948][ T3934] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.472025][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.510315][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.520661][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.530085][ T2698] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.537244][ T2698] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.554573][ T8527] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.561653][ T8527] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.573780][ T8527] device bridge_slave_0 entered promiscuous mode [ 65.585564][ T8525] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 65.633960][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.647854][ T8525] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 65.711933][ T8516] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.718981][ T8527] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.726502][ T8527] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.734710][ T8527] device bridge_slave_1 entered promiscuous mode [ 65.745894][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.757690][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.766229][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.775997][ T8525] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 65.827496][ T8525] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 65.898641][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.906509][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.915094][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.924139][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.932281][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.978720][ T8527] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.990115][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.998904][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.008144][ T8516] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.019879][ T8522] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.086317][ T8527] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.103582][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.111885][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.124054][ T8522] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 66.156752][ T8514] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.182668][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.191223][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.202151][ T2692] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.209267][ T2692] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.217365][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.226315][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.234639][ T2692] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.241660][ T2692] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.249221][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.260265][ T8520] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.269071][ T8522] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 66.311582][ T8527] team0: Port device team_slave_0 added [ 66.319135][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.338377][ T8520] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.347515][ T8522] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 66.389910][ T8527] team0: Port device team_slave_1 added [ 66.396580][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.406234][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.414646][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.441387][ T8514] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.454943][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.463847][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.472121][ T3934] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.479223][ T3934] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.488676][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.497819][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.506531][ T3934] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.513638][ T3934] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.521250][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.530220][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.538701][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.546364][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.554350][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.563247][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.571571][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.581369][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.589420][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.616991][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.626565][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.636772][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.650708][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.706921][ T8527] device hsr_slave_0 entered promiscuous mode [ 66.752898][ T8527] device hsr_slave_1 entered promiscuous mode [ 66.782531][ T8527] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.790129][ T8527] Cannot create hsr debugfs directory [ 66.797522][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.806025][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.835254][ T8525] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.846274][ T8516] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.858788][ T8516] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.874846][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.883707][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.892185][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.900471][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.908817][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.917989][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.926533][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.935228][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.944643][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.952241][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.973472][ T8520] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.985093][ T8520] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.006113][ T8514] device veth0_vlan entered promiscuous mode [ 67.013523][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.021743][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.030658][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.038949][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.047274][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.071599][ T8525] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.092277][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.100758][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.119248][ T8516] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.144627][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.152074][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.161769][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.171437][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.180211][ T3936] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.187313][ T3936] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.205950][ T8520] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.215336][ T8514] device veth1_vlan entered promiscuous mode [ 67.245486][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.253482][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.260960][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.268989][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.277634][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.286473][ T3936] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.293588][ T3936] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.301265][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.310119][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.350542][ T8516] device veth0_vlan entered promiscuous mode [ 67.359022][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.367997][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.377180][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.385839][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.429745][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.439001][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.447315][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.456260][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.465066][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.473768][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.482135][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.491184][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.499948][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.508326][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.516467][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.526132][ T8522] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.538898][ T8520] device veth0_vlan entered promiscuous mode [ 67.547881][ T8516] device veth1_vlan entered promiscuous mode [ 67.572047][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.588259][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.616150][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.625040][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.633851][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.648193][ T8525] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.668570][ T8525] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.693022][ T8522] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.753527][ T8522] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.769425][ T8522] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.814440][ T8522] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.833867][ T8520] device veth1_vlan entered promiscuous mode [ 67.889331][ T8522] device veth0_vlan entered promiscuous mode [ 67.914410][ T8522] device veth1_vlan entered promiscuous mode [ 172.632376][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 172.639177][ C0] rcu: 0-...!: (1 GPs behind) idle=622/1/0x4000000000000002 softirq=13126/13128 fqs=39 [ 172.649153][ C0] (t=10500 jiffies g=6917 q=600) [ 172.654171][ C0] rcu: rcu_preempt kthread starved for 10419 jiffies! g6917 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 172.665252][ C0] rcu: RCU grace-period kthread stack dump: [ 172.671127][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 172.679018][ C0] Call Trace: [ 172.682316][ C0] __schedule+0x9a0/0xcc0 [ 172.686650][ C0] schedule+0x181/0x210 [ 172.690805][ C0] schedule_timeout+0x14f/0x240 [ 172.695843][ C0] ? run_local_timers+0x120/0x120 [ 172.700870][ C0] rcu_gp_kthread+0xed8/0x1770 [ 172.705643][ C0] kthread+0x332/0x350 [ 172.709722][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 172.715009][ C0] ? kthread_blkcg+0xe0/0xe0 [ 172.719605][ C0] ret_from_fork+0x24/0x30 [ 172.724028][ C0] NMI backtrace for cpu 0 [ 172.728349][ C0] CPU: 0 PID: 8533 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 172.737526][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.747572][ C0] Call Trace: [ 172.750845][ C0] [ 172.753705][ C0] dump_stack+0x1fb/0x318 [ 172.758028][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 172.762872][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 172.769014][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 172.775068][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 172.781038][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 172.786927][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 172.792033][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 172.797225][ C0] ? trace_hardirqs_off+0x74/0x80 [ 172.802237][ C0] update_process_times+0x12d/0x180 [ 172.807431][ C0] tick_sched_timer+0x263/0x420 [ 172.812269][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.817804][ C0] __hrtimer_run_queues+0x403/0x840 [ 172.823004][ C0] hrtimer_interrupt+0x38c/0xda0 [ 172.827946][ C0] ? debug_smp_processor_id+0x9/0x20 [ 172.833227][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 172.838759][ C0] apic_timer_interrupt+0xf/0x20 [ 172.843679][ C0] [ 172.846609][ C0] RIP: 0010:__memcg_kmem_uncharge+0xd/0x1a0 [ 172.852490][ C0] Code: 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 <50> 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff df 4c 8d 77 38 4d 89 [ 172.872213][ C0] RSP: 0018:ffffc90002537e08 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 172.880629][ C0] RAX: ffffffff81489244 RBX: ffffea000228b500 RCX: ffff8880969dc040 [ 172.888593][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000228b500 [ 172.896553][ C0] RBP: ffffc90002537e30 R08: 000000000003a728 R09: ffffed10126cbb29 [ 172.904512][ C0] R10: ffffed10126cbb29 R11: 0000000000000000 R12: ffff888091e40220 [ 172.912559][ C0] R13: dffffc0000000000 R14: 1ffff110123c8044 R15: ffff88809365d938 [ 172.920536][ C0] ? free_thread_stack+0x124/0x590 [ 172.925641][ C0] ? free_thread_stack+0x124/0x590 [ 172.930741][ C0] free_thread_stack+0x12e/0x590 [ 172.935672][ C0] put_task_stack+0xa3/0x130 [ 172.940250][ C0] finish_task_switch+0x3f1/0x550 [ 172.945268][ C0] schedule_tail+0x20/0x1a0 [ 172.949762][ C0] ret_from_fork+0x8/0x30 [ 172.954085][ C0] RIP: 0033:0x45d919 [ 172.957998][ C0] Code: ff 48 85 f6 0f 84 d7 8c fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c ae 8c fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 [ 172.977689][ C0] RSP: 002b:00007f842d8d0db0 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 172.986097][ C0] RAX: 0000000000000000 RBX: 00007f842d8d1700 RCX: 000000000045d919 [ 172.994060][ C0] RDX: 00007f842d8d19d0 RSI: 00007f842d8d0db0 RDI: 00000000003d0f00 [ 173.002024][ C0] RBP: 00007ffe5c967000 R08: 00007f842d8d1700 R09: 00007f842d8d1700 [ 173.009983][ C0] R10: 00007f842d8d19d0 R11: 0000000000000202 R12: 0000000000000000 [ 173.017948][ C0] R13: 00007ffe5c966e9f R14: 00007f842d8d19c0 R15: 000000000075bf2c