[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.190085][ T27] audit: type=1800 audit(1578477105.067:25): pid=8245 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.209868][ T27] audit: type=1800 audit(1578477105.067:26): pid=8245 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.258056][ T27] audit: type=1800 audit(1578477105.077:27): pid=8245 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 '10.128.0.104' (ECDSA) to the list of known hosts. 2020/01/08 09:51:56 fuzzer started 2020/01/08 09:51:58 dialing manager at 10.128.0.26:35703 2020/01/08 09:51:58 syscalls: 2824 2020/01/08 09:51:58 code coverage: enabled 2020/01/08 09:51:58 comparison tracing: enabled 2020/01/08 09:51:58 extra coverage: enabled 2020/01/08 09:51:58 setuid sandbox: enabled 2020/01/08 09:51:58 namespace sandbox: enabled 2020/01/08 09:51:58 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 09:51:58 fault injection: enabled 2020/01/08 09:51:58 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 09:51:58 net packet injection: enabled 2020/01/08 09:51:58 net device setup: enabled 2020/01/08 09:51:58 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 09:51:58 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:51:59 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000003c0)='auxv\x00') openat$cgroup_ro(r0, &(0x7f0000000b00)='cgroup.controllers\x00', 0x0, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000200)='auxv\x00') lseek(r1, 0x203ffffd, 0x0) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sync_file_range(0xffffffffffffffff, 0x0, 0x0, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x4) write$P9_RXATTRWALK(r1, &(0x7f0000000080)={0xf}, 0x20000357) r2 = open(&(0x7f0000000100)='./file0\x00', 0x0, 0x0) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000000c0)=0x2, 0x4) ioctl$KVM_IRQ_LINE_STATUS(r2, 0xc008ae67, &(0x7f0000000000)={0x0, 0x4}) mremap(&(0x7f0000433000/0x1000)=nil, 0x1000, 0x1000, 0x3, &(0x7f000007f000/0x1000)=nil) getsockname$packet(0xffffffffffffffff, 0x0, &(0x7f0000000140)) madvise(&(0x7f00000d9000/0x600000)=nil, 0x600000, 0x8) 09:51:59 executing program 1: perf_event_open(&(0x7f0000000500)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getrandom(&(0x7f0000000400)=""/173, 0xfffffffffffffd85, 0x0) syzkaller login: [ 62.375548][ T8411] IPVS: ftp: loaded support on port[0] = 21 [ 62.554437][ T8414] IPVS: ftp: loaded support on port[0] = 21 [ 62.556672][ T8411] chnl_net:caif_netlink_parms(): no params data found 09:51:59 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x11, 0x800000003, 0x0) bind(r1, &(0x7f0000000080)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r1, &(0x7f0000000040)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000140)=0x14) sendmsg$nl_route_sched(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000001500)=ANY=[@ANYBLOB="d00800002400ffffff7f00000000ffffa6fffff7", @ANYRES32=r2, @ANYBLOB="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"], 0x8d0}}, 0x0) [ 62.655261][ T8411] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.663810][ T8411] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.672332][ T8411] device bridge_slave_0 entered promiscuous mode [ 62.695308][ T8411] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.704224][ T8411] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.713285][ T8411] device bridge_slave_1 entered promiscuous mode [ 62.795681][ T8411] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.821288][ T8417] IPVS: ftp: loaded support on port[0] = 21 [ 62.828894][ T8411] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.846361][ T8414] chnl_net:caif_netlink_parms(): no params data found [ 62.881796][ T8411] team0: Port device team_slave_0 added 09:51:59 executing program 3: r0 = syz_open_dev$sndctrl(&(0x7f00000006c0)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r0, 0xc4c85512, &(0x7f0000000040)={0xb}) [ 62.910683][ T8411] team0: Port device team_slave_1 added [ 62.975373][ T8414] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.982941][ T8414] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.992567][ T8414] device bridge_slave_0 entered promiscuous mode [ 63.061090][ T8411] device hsr_slave_0 entered promiscuous mode 09:52:00 executing program 4: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) close(r0) r1 = socket$inet6(0xa, 0x4000000080002, 0x88) connect$inet6(r1, &(0x7f0000005d00)={0xa, 0x0, 0x0, @mcast1, 0x2}, 0x1c) sendmmsg(r0, &(0x7f0000006d00), 0xffffffffffffff92, 0x0) [ 63.138639][ T8411] device hsr_slave_1 entered promiscuous mode [ 63.229210][ T8414] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.236314][ T8414] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.257571][ T8414] device bridge_slave_1 entered promiscuous mode [ 63.299071][ T8414] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.329432][ T8414] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 09:52:00 executing program 5: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) msgrcv(0x0, 0x0, 0x0, 0x0, 0x4000) [ 63.353914][ T8421] IPVS: ftp: loaded support on port[0] = 21 [ 63.369358][ T8419] IPVS: ftp: loaded support on port[0] = 21 [ 63.510268][ T8414] team0: Port device team_slave_0 added [ 63.543464][ T8414] team0: Port device team_slave_1 added [ 63.558677][ T8417] chnl_net:caif_netlink_parms(): no params data found [ 63.591823][ T8424] IPVS: ftp: loaded support on port[0] = 21 [ 63.650316][ T8414] device hsr_slave_0 entered promiscuous mode [ 63.696817][ T8414] device hsr_slave_1 entered promiscuous mode [ 63.766726][ T8414] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.775006][ T8414] Cannot create hsr debugfs directory [ 63.800026][ T8411] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.850443][ T8411] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.909958][ T8417] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.917425][ T8417] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.925185][ T8417] device bridge_slave_0 entered promiscuous mode [ 63.934998][ T8417] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.942585][ T8417] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.951561][ T8417] device bridge_slave_1 entered promiscuous mode [ 63.972893][ T8411] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.032791][ T8411] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.099622][ T8417] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.128323][ T8417] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.177173][ T8417] team0: Port device team_slave_0 added [ 64.187080][ T8417] team0: Port device team_slave_1 added [ 64.249204][ T8417] device hsr_slave_0 entered promiscuous mode [ 64.287031][ T8417] device hsr_slave_1 entered promiscuous mode [ 64.327179][ T8417] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.335405][ T8417] Cannot create hsr debugfs directory [ 64.351241][ T8419] chnl_net:caif_netlink_parms(): no params data found [ 64.372462][ T8414] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.435661][ T8414] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.529105][ T8414] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.580804][ T8414] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.655856][ T8419] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.663121][ T8419] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.670831][ T8419] device bridge_slave_0 entered promiscuous mode [ 64.682514][ T8419] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.689763][ T8419] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.697751][ T8419] device bridge_slave_1 entered promiscuous mode [ 64.708563][ T8421] chnl_net:caif_netlink_parms(): no params data found [ 64.792699][ T8419] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.818693][ T8411] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.835533][ T8419] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.850439][ T8421] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.859331][ T8421] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.867625][ T8421] device bridge_slave_0 entered promiscuous mode [ 64.884251][ T8411] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.898433][ T8424] chnl_net:caif_netlink_parms(): no params data found [ 64.912514][ T8421] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.921021][ T8421] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.929759][ T8421] device bridge_slave_1 entered promiscuous mode [ 64.941100][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.949933][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.969936][ T8417] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.010177][ T8419] team0: Port device team_slave_0 added [ 65.015982][ T8417] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.072891][ T8417] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.143621][ T3500] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.152736][ T3500] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.161678][ T3500] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.168847][ T3500] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.177877][ T3500] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.186375][ T3500] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.195805][ T3500] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.203045][ T3500] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.211151][ T3500] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.220861][ T8419] team0: Port device team_slave_1 added [ 65.239601][ T8417] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.289957][ T8421] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.305617][ T8421] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.316907][ T3500] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.369296][ T8419] device hsr_slave_0 entered promiscuous mode [ 65.407041][ T8419] device hsr_slave_1 entered promiscuous mode [ 65.446681][ T8419] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.454257][ T8419] Cannot create hsr debugfs directory [ 65.495994][ T8414] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.504006][ T3502] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.513021][ T8424] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.521181][ T8424] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.529067][ T8424] device bridge_slave_0 entered promiscuous mode [ 65.560745][ T3500] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.572207][ T3500] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.583884][ T3500] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.594176][ T8421] team0: Port device team_slave_0 added [ 65.600533][ T8424] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.608730][ T8424] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.617513][ T8424] device bridge_slave_1 entered promiscuous mode [ 65.639120][ T8424] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.657552][ T8421] team0: Port device team_slave_1 added [ 65.665165][ T3502] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.673654][ T3502] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.685632][ T8424] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.719664][ T3502] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.728985][ T3502] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.737693][ T3502] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.745884][ T3502] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.755577][ T3502] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.764365][ T3502] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.782994][ T8411] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.794351][ T8414] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.839144][ T8421] device hsr_slave_0 entered promiscuous mode [ 65.897709][ T8421] device hsr_slave_1 entered promiscuous mode [ 65.946671][ T8421] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.954254][ T8421] Cannot create hsr debugfs directory [ 65.987399][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.995891][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.004711][ T2764] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.011902][ T2764] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.019674][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.028633][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.037051][ T2764] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.044095][ T2764] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.054424][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.071262][ T8424] team0: Port device team_slave_0 added [ 66.080626][ T8424] team0: Port device team_slave_1 added [ 66.110787][ T3502] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.125211][ T3502] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.133271][ T3502] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.198820][ T8424] device hsr_slave_0 entered promiscuous mode [ 66.237180][ T8424] device hsr_slave_1 entered promiscuous mode [ 66.276763][ T8424] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.284357][ T8424] Cannot create hsr debugfs directory [ 66.299843][ T8411] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.334340][ T8417] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.364856][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.374140][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.382874][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.391567][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.415552][ T8419] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.458964][ T8419] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 66.510632][ T8419] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 66.568669][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.576335][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.587016][ T8417] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.612225][ T8419] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 66.662219][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.671633][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.680046][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.689643][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.697905][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.706527][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.715010][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.723932][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.732582][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.739670][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.747699][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.756278][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.764720][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.771791][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.785383][ T8414] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.798066][ T8414] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.823877][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.832901][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.841551][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.869759][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.882041][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.891226][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.899026][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.914971][ T8414] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.938325][ T8411] device veth0_vlan entered promiscuous mode [ 66.949928][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.959829][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.969069][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.977832][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.986221][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.995590][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.004052][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.012085][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.020808][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.035373][ T8421] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 67.079075][ T8421] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.119357][ T8421] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 67.180725][ T8411] device veth1_vlan entered promiscuous mode [ 67.195717][ T8417] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.207681][ T8417] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.234960][ T8421] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 67.283395][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.291817][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.300552][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.309075][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.318203][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.362345][ T8424] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 67.428907][ T8424] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 67.460138][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.469575][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.477975][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.486568][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.505182][ T8417] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.524342][ T8424] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 67.558827][ T8424] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 172.566477][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 172.573549][ C1] rcu: 1-...!: (10499 ticks this GP) idle=1c6/1/0x4000000000000002 softirq=11546/11546 fqs=46 [ 172.584247][ C1] (t=10501 jiffies g=6985 q=95) [ 172.590806][ C1] rcu: rcu_preempt kthread starved for 10410 jiffies! g6985 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 172.603896][ C1] rcu: RCU grace-period kthread stack dump: [ 172.609898][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 172.618024][ C1] Call Trace: [ 172.621368][ C1] __schedule+0x9a0/0xcc0 [ 172.625794][ C1] schedule+0x181/0x210 [ 172.630118][ C1] schedule_timeout+0x14f/0x240 [ 172.635578][ C1] ? run_local_timers+0x120/0x120 [ 172.641888][ C1] rcu_gp_kthread+0xed8/0x1770 [ 172.646679][ C1] kthread+0x332/0x350 [ 172.650750][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 172.655885][ C1] ? kthread_blkcg+0xe0/0xe0 [ 172.660615][ C1] ret_from_fork+0x24/0x30 [ 172.665046][ C1] NMI backtrace for cpu 1 [ 172.669472][ C1] CPU: 1 PID: 202 Comm: kworker/u4:5 Not tainted 5.5.0-rc5-syzkaller #0 [ 172.677876][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.689890][ C1] Workqueue: 0x0 (gid-cache-wq) [ 172.694828][ C1] Call Trace: [ 172.698187][ C1] [ 172.701085][ C1] dump_stack+0x1fb/0x318 [ 172.705422][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 172.710497][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 172.716656][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 172.722836][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 172.730050][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 172.736410][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 172.741617][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 172.747849][ C1] ? trace_hardirqs_off+0x74/0x80 [ 172.753457][ C1] update_process_times+0x12d/0x180 [ 172.759533][ C1] tick_sched_timer+0x263/0x420 [ 172.765360][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.771716][ C1] __hrtimer_run_queues+0x403/0x840 [ 172.777022][ C1] hrtimer_interrupt+0x38c/0xda0 [ 172.782323][ C1] ? debug_smp_processor_id+0x9/0x20 [ 172.788118][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 172.793708][ C1] apic_timer_interrupt+0xf/0x20 [ 172.798640][ C1] [ 172.801666][ C1] RIP: 0010:free_thread_stack+0x13d/0x590 [ 172.807435][ C1] Code: 00 00 e8 86 91 61 00 e9 5d 04 00 00 e8 3c 2c 2e 00 48 89 df 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 [ 172.827826][ C1] RSP: 0018:ffffc90001647c30 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 172.837136][ C1] RAX: 0000000000000001 RBX: ffffea000237cb00 RCX: 0000000000000000 [ 172.845594][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000237cb00 [ 172.854570][ C1] RBP: ffffc90001647c68 R08: 000000000003a728 R09: ffffed10132b92c9 [ 172.862598][ C1] R10: ffffed10132b92c9 R11: 0000000000000000 R12: ffff8880a8c84a20 [ 172.870570][ C1] R13: dffffc0000000000 R14: 1ffff11015190944 R15: ffff8880995c9638 [ 172.878795][ C1] put_task_stack+0xa3/0x130 [ 172.883393][ C1] finish_task_switch+0x3f1/0x550 [ 172.891199][ C1] __schedule+0x9a8/0xcc0 [ 172.895636][ C1] schedule+0x181/0x210 [ 172.900065][ C1] worker_thread+0x10d6/0x1630 [ 172.905083][ C1] kthread+0x332/0x350 [ 172.909239][ C1] ? rcu_lock_release+0x30/0x30 [ 172.914526][ C1] ? kthread_blkcg+0xe0/0xe0 [ 172.921215][ C1] ret_from_fork+0x24/0x30