[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 46.217652][ T27] audit: type=1800 audit(1578464364.038:25): pid=8241 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 46.246707][ T27] audit: type=1800 audit(1578464364.038:26): pid=8241 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.266427][ T27] audit: type=1800 audit(1578464364.038:27): pid=8241 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 '10.128.0.65' (ECDSA) to the list of known hosts. 2020/01/08 06:19:35 fuzzer started 2020/01/08 06:19:37 dialing manager at 10.128.0.26:35703 2020/01/08 06:19:37 syscalls: 2824 2020/01/08 06:19:37 code coverage: enabled 2020/01/08 06:19:37 comparison tracing: enabled 2020/01/08 06:19:37 extra coverage: enabled 2020/01/08 06:19:37 setuid sandbox: enabled 2020/01/08 06:19:37 namespace sandbox: enabled 2020/01/08 06:19:37 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:19:37 fault injection: enabled 2020/01/08 06:19:37 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:19:37 net packet injection: enabled 2020/01/08 06:19:37 net device setup: enabled 2020/01/08 06:19:37 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:19:37 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:19:38 executing program 0: io_submit(0x0, 0x1ffffffffffffc7d, &(0x7f0000000040)=[&(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x316}]) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000740)='cgroup.controllers\x00', 0x2761, 0x0) syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0xabb, &(0x7f0000000100)=[{&(0x7f00000000c0)="800000003804000019000300e60100006c000000000000000100000001000000004000000040000080000000000000006d5ebe5a0000ffff53ef", 0x4db, 0x400}], 0x4801, 0x0) 06:19:39 executing program 1: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=@acquire={0x128, 0x17, 0x1, 0x0, 0x0, {{@in=@multicast1}, @in6=@ipv4={[], [], @dev}, {@in=@loopback, @in6=@loopback}, {{@in, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x2}, {}, {}, 0x0, 0x0, 0x3}}}, 0x128}}, 0x0) syzkaller login: [ 61.204139][ T8405] IPVS: ftp: loaded support on port[0] = 21 06:19:39 executing program 2: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000100)={0x2, 0x4e20, @multicast2}, 0x10) setsockopt$sock_int(r0, 0x1, 0x3c, &(0x7f0000000000)=0x1, 0x1039c) sendto$inet(r0, 0x0, 0x0, 0x20000000, &(0x7f0000000080)={0x2, 0x4e20}, 0x10) sendto$inet(r0, &(0x7f0000000140)="7c0d111317b1ff8ec8f29f81319ec5b10d0d003f00efd9448dbef1ffb4e3a6af87131512da528f6235fe35d3053b5cb4877c1b89bbf83f6d749d5b00679601a3abdc204cf1ad797252bb0c7b43e3e9763221cb2c8d76f824f4bea338f53aa75703f465e50e434e2193900c39ab79d37cc0ce7a", 0xffffffffffffffd0, 0x401c005, 0x0, 0xffffffffffffff36) socketpair$unix(0x1, 0x2, 0x0, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0) [ 61.380770][ T8405] chnl_net:caif_netlink_parms(): no params data found [ 61.471251][ T8408] IPVS: ftp: loaded support on port[0] = 21 [ 61.489758][ T8405] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.499045][ T8405] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.507452][ T8405] device bridge_slave_0 entered promiscuous mode [ 61.516308][ T8405] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.524729][ T8405] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.532922][ T8405] device bridge_slave_1 entered promiscuous mode [ 61.563648][ T8405] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.589423][ T8405] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.642691][ T8405] team0: Port device team_slave_0 added [ 61.651375][ T8405] team0: Port device team_slave_1 added 06:19:39 executing program 3: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$ASHMEM_PURGE_ALL_CACHES(0xffffffffffffffff, 0x770a, 0x0) ioctl$EVIOCSABS3F(0xffffffffffffffff, 0x401845ff, 0x0) sendmsg$TIPC_NL_NODE_GET(0xffffffffffffffff, 0x0, 0x0) ioctl$FS_IOC_FSGETXATTR(0xffffffffffffffff, 0x801c581f, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x20002100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) bpf$PROG_LOAD(0x5, &(0x7f00000054c0)={0xe, 0x16, &(0x7f0000000700)=ANY=[@ANYBLOB="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"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000040), 0x1f1}, 0x48) exit(0x0) syz_open_procfs(0xffffffffffffffff, 0x0) [ 61.719244][ T8405] device hsr_slave_0 entered promiscuous mode [ 61.757599][ T8405] device hsr_slave_1 entered promiscuous mode [ 61.818084][ T8410] IPVS: ftp: loaded support on port[0] = 21 [ 61.891549][ T8408] chnl_net:caif_netlink_parms(): no params data found [ 61.933997][ T8414] IPVS: ftp: loaded support on port[0] = 21 [ 61.983616][ T8408] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.992653][ T8408] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.000498][ T8408] device bridge_slave_0 entered promiscuous mode 06:19:39 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000640)={&(0x7f00000000c0)=@newlink={0x34, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_GROUP={0x8}, @IFLA_VFINFO_LIST={0xc, 0x16, [{0x8, 0x1, [@IFLA_VF_VLAN_LIST={0x4}]}]}]}, 0x34}}, 0x0) [ 62.028944][ T8405] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.071209][ T8408] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.088543][ T8408] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.108560][ T8408] device bridge_slave_1 entered promiscuous mode [ 62.128069][ T8405] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.168822][ T8405] netdevsim netdevsim0 netdevsim2: renamed from eth2 06:19:40 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000040)={0x80}, 0x213) sendmsg$nl_route(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000004100)=@ipv6_getroute={0x24, 0x1a, 0xc05, 0x0, 0x0, {0x2, 0x20}, [@RTA_IIF={0x8}]}, 0x24}}, 0x0) [ 62.226364][ T8408] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.259115][ T8405] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.303705][ T8408] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.363214][ T8416] IPVS: ftp: loaded support on port[0] = 21 [ 62.399361][ T8408] team0: Port device team_slave_0 added [ 62.435595][ T8408] team0: Port device team_slave_1 added [ 62.468052][ T8410] chnl_net:caif_netlink_parms(): no params data found [ 62.501546][ T8418] IPVS: ftp: loaded support on port[0] = 21 [ 62.524174][ T8414] chnl_net:caif_netlink_parms(): no params data found [ 62.579305][ T8408] device hsr_slave_0 entered promiscuous mode [ 62.627043][ T8408] device hsr_slave_1 entered promiscuous mode [ 62.666861][ T8408] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.674636][ T8408] Cannot create hsr debugfs directory [ 62.755778][ T8410] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.763519][ T8410] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.771687][ T8410] device bridge_slave_0 entered promiscuous mode [ 62.783615][ T8410] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.790747][ T8410] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.798579][ T8410] device bridge_slave_1 entered promiscuous mode [ 62.827708][ T8410] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.865440][ T8410] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.881509][ T8416] chnl_net:caif_netlink_parms(): no params data found [ 62.918273][ T8410] team0: Port device team_slave_0 added [ 62.928690][ T8414] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.935750][ T8414] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.944466][ T8414] device bridge_slave_0 entered promiscuous mode [ 62.968151][ T8410] team0: Port device team_slave_1 added [ 62.990024][ T8414] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.998541][ T8414] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.006269][ T8414] device bridge_slave_1 entered promiscuous mode [ 63.020394][ T8416] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.028036][ T8416] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.035701][ T8416] device bridge_slave_0 entered promiscuous mode [ 63.043960][ T8416] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.051709][ T8416] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.059649][ T8416] device bridge_slave_1 entered promiscuous mode [ 63.121889][ T8414] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.132038][ T8408] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 63.239526][ T8410] device hsr_slave_0 entered promiscuous mode [ 63.297158][ T8410] device hsr_slave_1 entered promiscuous mode [ 63.336755][ T8410] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.344448][ T8410] Cannot create hsr debugfs directory [ 63.357827][ T8416] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.368164][ T8414] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.380427][ T8405] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.388309][ T8408] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 63.428181][ T8418] chnl_net:caif_netlink_parms(): no params data found [ 63.446032][ T8416] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.475123][ T8408] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 63.512353][ T8408] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 63.580726][ T8414] team0: Port device team_slave_0 added [ 63.588236][ T8416] team0: Port device team_slave_0 added [ 63.607558][ T8418] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.614709][ T8418] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.625874][ T8418] device bridge_slave_0 entered promiscuous mode [ 63.634983][ T8416] team0: Port device team_slave_1 added [ 63.689903][ T8416] device hsr_slave_0 entered promiscuous mode [ 63.727188][ T8416] device hsr_slave_1 entered promiscuous mode [ 63.776960][ T8416] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.784571][ T8416] Cannot create hsr debugfs directory [ 63.800554][ T8414] team0: Port device team_slave_1 added [ 63.806748][ T8418] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.813793][ T8418] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.822592][ T8418] device bridge_slave_1 entered promiscuous mode [ 63.844189][ T8418] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.866003][ T8418] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.877575][ T8405] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.890466][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.898948][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.907001][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.915416][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.924050][ T2903] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.931207][ T2903] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.942179][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.990718][ T8418] team0: Port device team_slave_0 added [ 63.999896][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.009538][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.018417][ T2676] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.025473][ T2676] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.033109][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.109739][ T8414] device hsr_slave_0 entered promiscuous mode [ 64.147333][ T8414] device hsr_slave_1 entered promiscuous mode [ 64.196758][ T8414] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.204325][ T8414] Cannot create hsr debugfs directory [ 64.217721][ T8418] team0: Port device team_slave_1 added [ 64.224730][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.309560][ T8418] device hsr_slave_0 entered promiscuous mode [ 64.367055][ T8418] device hsr_slave_1 entered promiscuous mode [ 64.416750][ T8418] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.424334][ T8418] Cannot create hsr debugfs directory [ 64.461648][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.473771][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.482797][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.500938][ T8416] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 64.569436][ T8416] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 64.610976][ T8416] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 64.688920][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.698422][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.709473][ T8416] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 64.767579][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.775780][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.790014][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.798624][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.815501][ T8410] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.862668][ T8405] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.890959][ T8410] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 64.932307][ T8410] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.978899][ T8410] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.071718][ T8414] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 65.092149][ T8414] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 65.160346][ T8408] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.178365][ T8414] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 65.209192][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.218309][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.231394][ T8405] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.252909][ T8414] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.315962][ T8418] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 65.351077][ T8418] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 65.408755][ T8418] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 65.451392][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.459754][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.474172][ T8408] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.487562][ T8418] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 65.521736][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.533370][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.542192][ T2882] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.549336][ T2882] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.574995][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.583248][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.592006][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.600579][ T2903] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.607667][ T2903] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.615472][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.624423][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.633300][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.641959][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.688443][ T8416] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.704348][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.713339][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.722396][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.731838][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.740626][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.749323][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.758205][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.765760][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.774911][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.806476][ T8405] device veth0_vlan entered promiscuous mode [ 65.815327][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.823928][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.833893][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.842348][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.851198][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.859309][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.879880][ T8414] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.895359][ T8408] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.904810][ T8416] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.931598][ T8414] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.946091][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.954541][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.970703][ T8410] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.990418][ T8405] device veth1_vlan entered promiscuous mode [ 66.010382][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.019481][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.028287][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.036515][ T2903] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.043614][ T2903] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.051708][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.060701][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.069235][ T2903] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.076274][ T2903] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.084172][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.092621][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.101122][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.109617][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.118143][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.126811][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.135054][ T2903] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.142127][ T2903] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.150011][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.158629][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.167416][ T2903] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.174461][ T2903] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.182063][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.190613][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.199029][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.208095][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.216057][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.224199][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.245203][ T8408] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.256247][ T8418] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.270639][ T8416] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.281393][ T8416] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.300262][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.308834][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.316220][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.324157][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.333566][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.342082][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.350412][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.360034][ T2882] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.402240][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.412182][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.427691][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.436051][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.445084][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.453629][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.462211][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.470714][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.479380][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.488035][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.495705][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.503348][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.511101][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.518717][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.526344][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.534641][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.551357][ T8410] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.560999][ T8416] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.575083][ T8418] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.596371][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.612518][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.623597][ T2676] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.630693][ T2676] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.643910][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.653191][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.667996][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.676505][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.691086][ T2676] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.698209][ T2676] bridge0: port 1(bridge_slave_0) entered forwarding state [ 171.636630][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 171.643477][ C1] rcu: 1-...!: (1 GPs behind) idle=dee/1/0x4000000000000002 softirq=12403/12409 fqs=4 [ 171.653374][ C1] (t=10500 jiffies g=6701 q=124) [ 171.658388][ C1] rcu: rcu_preempt kthread starved for 10491 jiffies! g6701 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 171.669467][ C1] rcu: RCU grace-period kthread stack dump: [ 171.675344][ C1] rcu_preempt R running task 28864 10 2 0x80004000 [ 171.683230][ C1] Call Trace: [ 171.686511][ C1] __schedule+0x9a0/0xcc0 [ 171.690840][ C1] schedule+0x181/0x210 [ 171.694988][ C1] schedule_timeout+0x14f/0x240 [ 171.699825][ C1] ? run_local_timers+0x120/0x120 [ 171.704841][ C1] rcu_gp_kthread+0xed8/0x1770 [ 171.709609][ C1] kthread+0x332/0x350 [ 171.713668][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 171.718768][ C1] ? kthread_blkcg+0xe0/0xe0 [ 171.723951][ C1] ret_from_fork+0x24/0x30 [ 171.728368][ C1] NMI backtrace for cpu 1 [ 171.732689][ C1] CPU: 1 PID: 8405 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 171.741256][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.751295][ C1] Call Trace: [ 171.754566][ C1] [ 171.757408][ C1] dump_stack+0x1fb/0x318 [ 171.761731][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 171.766566][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 171.772710][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 171.778950][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 171.784931][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 171.790819][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 171.795925][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 171.801114][ C1] ? trace_hardirqs_off+0x74/0x80 [ 171.806141][ C1] update_process_times+0x12d/0x180 [ 171.811332][ C1] tick_sched_timer+0x263/0x420 [ 171.816172][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 171.821704][ C1] __hrtimer_run_queues+0x403/0x840 [ 171.826915][ C1] hrtimer_interrupt+0x38c/0xda0 [ 171.831857][ C1] ? debug_smp_processor_id+0x9/0x20 [ 171.837131][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 171.842662][ C1] apic_timer_interrupt+0xf/0x20 [ 171.847580][ C1] [ 171.850517][ C1] RIP: 0010:__memcg_kmem_uncharge+0x1/0x1a0 [ 171.856395][ C1] Code: eb 1b 83 3d 20 bf ac 07 00 74 12 48 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 [ 171.875984][ C1] RSP: 0018:ffffc90002077978 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 171.884382][ C1] RAX: ffffffff81489244 RBX: ffffea000236ee00 RCX: ffff8880a4e30200 [ 171.892342][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000236ee00 [ 171.900303][ C1] RBP: ffffc900020779c0 R08: 000000000003a728 R09: fffffbfff124248a [ 171.908260][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88808ec7a7a0 [ 171.916220][ C1] R13: dffffc0000000000 R14: 1ffff11011d8f4f4 R15: ffff8880970db5f8 [ 171.924190][ C1] ? free_thread_stack+0x124/0x590 [ 171.929296][ C1] ? free_thread_stack+0x12e/0x590 [ 171.934394][ C1] put_task_stack+0xa3/0x130 [ 171.938972][ C1] finish_task_switch+0x3f1/0x550 [ 171.943987][ C1] __schedule+0x9a8/0xcc0 [ 171.948311][ C1] ? ___preempt_schedule+0x16/0x18 [ 171.953406][ C1] preempt_schedule+0xdb/0x120 [ 171.958156][ C1] ___preempt_schedule+0x16/0x18 [ 171.963088][ C1] ? __wake_up_sync_key+0xe2/0x150 [ 171.968189][ C1] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 171.973895][ C1] __wake_up_sync_key+0xe2/0x150 [ 171.978828][ C1] pipe_write+0x10cb/0x1510 [ 171.983334][ C1] ? iov_iter_init+0x8a/0x170 [ 171.988003][ C1] __vfs_write+0x5a1/0x740 [ 171.992422][ C1] vfs_write+0x275/0x590 [ 171.996658][ C1] ksys_write+0x117/0x220 [ 172.000977][ C1] __x64_sys_write+0x7b/0x90 [ 172.005553][ C1] do_syscall_64+0xf7/0x1c0 [ 172.010134][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.016034][ C1] RIP: 0033:0x414a00 [ 172.019930][ C1] Code: b0 89 c8 f7 d8 eb ed b8 6e 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 3d 6d 3a 66 00 00 75 14 b8 01 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 c4 1b 00 00 c3 48 83 ec 08 e8 ca fc ff ff [ 172.039696][ C1] RSP: 002b:00007fff5f66dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 172.048351][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000414a00 [ 172.056314][ C1] RDX: 0000000000000004 RSI: 00007fff5f66dcb0 RDI: 00000000000000f8 [ 172.064276][ C1] RBP: 0000000000717460 R08: 0000000000000000 R09: 0000000000000000 [ 172.072251][ C1] R10: 000000524f525245 R11: 0000000000000246 R12: 0000000000716de8 [ 172.080213][ C1] R13: 00007fff5f66dcb0 R14: 0000000000000003 R15: 00007fff5f66dcc0