[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 46.252825][ T25] audit: type=1800 audit(1575334299.458:25): pid=8265 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 46.280904][ T25] audit: type=1800 audit(1575334299.458:26): pid=8265 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.326860][ T25] audit: type=1800 audit(1575334299.468:27): pid=8265 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 '10.128.0.181' (ECDSA) to the list of known hosts. 2019/12/03 00:51:47 fuzzer started 2019/12/03 00:51:49 dialing manager at 10.128.0.26:38907 2019/12/03 00:51:49 syscalls: 2697 2019/12/03 00:51:49 code coverage: enabled 2019/12/03 00:51:49 comparison tracing: enabled 2019/12/03 00:51:49 extra coverage: extra coverage is not supported by the kernel 2019/12/03 00:51:49 setuid sandbox: enabled 2019/12/03 00:51:49 namespace sandbox: enabled 2019/12/03 00:51:49 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 00:51:49 fault injection: enabled 2019/12/03 00:51:49 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 00:51:49 net packet injection: enabled 2019/12/03 00:51:49 net device setup: enabled 2019/12/03 00:51:49 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 00:51:49 devlink PCI setup: PCI device 0000:00:10.0 is not available 00:51:50 executing program 0: r0 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000600)={'bridge_slave_1\x00', 0x0}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000980)=ANY=[@ANYBLOB="30000000240069be028700"/20, @ANYRES32=r1, @ANYBLOB="00000300ffffffff00000000080001007069650004000200120fd1d1e487cc5c604daef67e7be9e8e3c8750fae1c61f3ede26c88174da61336482772ae843dd14e5e41823937590271ba84c407d84fcebe5e487744616a0a326900000000700e9cb70fc8530a86faa882fc2a56ceec315a2912"], 0x30}}, 0x0) r2 = socket(0x10, 0x80002, 0x0) sendmmsg$alg(r2, &(0x7f0000000140)=[{0x6, 0x0, &(0x7f0000000040), 0x6, &(0x7f0000000100)}], 0x125c2f739a2bf92, 0x0) 00:51:50 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)={0x24, 0x33, 0x119, 0x0, 0x0, {0x2}, [@generic="ffd39d16", @nested={0xc, 0x1, [@typed={0x8, 0x14, @ipv4=@multicast1=0x4000a48}]}]}, 0x24}}, 0x0) syzkaller login: [ 57.147741][ T8427] IPVS: ftp: loaded support on port[0] = 21 [ 57.228832][ T8429] IPVS: ftp: loaded support on port[0] = 21 00:51:50 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netlink\x00') preadv(r0, &(0x7f0000000480), 0x10000000000002a1, 0x10400003) getsockopt$IP6T_SO_GET_REVISION_TARGET(r0, 0x29, 0x45, &(0x7f0000000000)={'HL\x00'}, &(0x7f0000000040)=0x1e) ioctl$NS_GET_OWNER_UID(0xffffffffffffffff, 0xb704, &(0x7f0000000180)=0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netlink\x00') preadv(r2, &(0x7f0000000480), 0x10000000000002a1, 0x10400003) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f00000001c0)={0x0, 0x0}, &(0x7f0000000200)=0xc) getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000000240)={{{@in6=@initdev, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4={[], [], @initdev}}, 0x0, @in=@broadcast}}, &(0x7f0000000340)=0xe8) r5 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setreuid(0x0, r6) r7 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setreuid(0x0, r8) r9 = geteuid() lstat(&(0x7f0000000380)='./file0\x00', &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) stat(&(0x7f0000000440)='./file0\x00', &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fsetxattr$system_posix_acl(0xffffffffffffffff, &(0x7f0000000080)='system.posix_acl_default\x00', &(0x7f0000000500)={{}, {0x1, 0xf}, [{0x2, 0x1, r1}, {0x2, 0x6, r3}, {0x2, 0x1, r4}, {0x2, 0x3, r6}, {0x2, 0x6, r8}, {0x2, 0x4, r9}], {0x4, 0x4}, [{0x8, 0x4, r10}, {0x8, 0x4, r11}], {0x10, 0x9591b2cd66e2f198}, {0x20, 0x1}}, 0x64, 0x1) clone(0xffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) keyctl$set_reqkey_keyring(0xe, 0x2) request_key(&(0x7f0000000140)='user\x00', &(0x7f0000000100)={'syz', 0x1}, &(0x7f00000000c0)='+\x00', 0x0) [ 57.355614][ T8427] chnl_net:caif_netlink_parms(): no params data found [ 57.502312][ T8429] chnl_net:caif_netlink_parms(): no params data found [ 57.526162][ T8427] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.534394][ T8427] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.542667][ T8427] device bridge_slave_0 entered promiscuous mode [ 57.552001][ T8427] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.559085][ T8427] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.567040][ T8427] device bridge_slave_1 entered promiscuous mode [ 57.589160][ T8433] IPVS: ftp: loaded support on port[0] = 21 [ 57.618960][ T8429] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.626826][ T8429] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.636773][ T8429] device bridge_slave_0 entered promiscuous mode [ 57.645917][ T8427] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.658101][ T8427] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.670632][ T8429] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.680750][ T8429] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.689827][ T8429] device bridge_slave_1 entered promiscuous mode [ 57.722936][ T8427] team0: Port device team_slave_0 added [ 57.742377][ T8427] team0: Port device team_slave_1 added [ 57.753217][ T8429] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 00:51:51 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) write$9p(0xffffffffffffffff, &(0x7f00000000c0)="572546ca", 0x4) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_genetlink_get_family_id$tipc2(&(0x7f0000000040)='TIPCv2\x00') r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x3, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) sendmsg$TIPC_CMD_SHOW_LINK_STATS(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0xc6007123220a7594}, 0xc, 0x0}, 0x0) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67, &(0x7f00000001c0)={0x0, 0x119000}) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, 0x0, 0x100e3, 0x0, 0x0, 0x5af4c977b55a8b9c) ioctl$KVM_NMI(r2, 0xae9a) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 57.776907][ T8429] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.853976][ T8427] device hsr_slave_0 entered promiscuous mode [ 57.902990][ T8427] device hsr_slave_1 entered promiscuous mode [ 57.985573][ T8429] team0: Port device team_slave_0 added [ 58.002761][ T8429] team0: Port device team_slave_1 added [ 58.035548][ T8435] IPVS: ftp: loaded support on port[0] = 21 00:51:51 executing program 4: creat(&(0x7f0000000040)='./file0\x00', 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup3(r1, r0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) creat(&(0x7f0000000000)='./bus\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r4, &(0x7f0000000140)=ANY=[@ANYBLOB="1d00000007ffff0f00"], 0x9) write$binfmt_elf32(r4, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x8) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='9p\x00', 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}, 0x2c, {[{@noextend='noextend'}]}}) [ 58.145518][ T8429] device hsr_slave_0 entered promiscuous mode [ 58.201273][ T8429] device hsr_slave_1 entered promiscuous mode [ 58.241032][ T8429] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.249002][ T8427] netdevsim netdevsim0 netdevsim0: renamed from eth0 00:51:51 executing program 5: r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000040)='/\x02roup.stap\x00', 0x2761, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0xc0185879, 0x0) [ 58.315623][ T8427] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.392445][ T8427] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.452312][ T8433] chnl_net:caif_netlink_parms(): no params data found [ 58.473784][ T8427] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.536503][ T8438] IPVS: ftp: loaded support on port[0] = 21 [ 58.572567][ T8440] IPVS: ftp: loaded support on port[0] = 21 [ 58.585634][ T8429] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.613605][ T8429] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.675706][ T8433] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.683906][ T8433] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.691690][ T8433] device bridge_slave_0 entered promiscuous mode [ 58.700031][ T8433] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.707263][ T8433] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.715114][ T8433] device bridge_slave_1 entered promiscuous mode [ 58.732000][ T8429] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.764886][ T8429] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.859565][ T8433] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.871460][ T8433] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.896543][ T8433] team0: Port device team_slave_0 added [ 58.903963][ T8433] team0: Port device team_slave_1 added [ 58.968991][ T8435] chnl_net:caif_netlink_parms(): no params data found [ 58.999217][ T8427] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.043782][ T8433] device hsr_slave_0 entered promiscuous mode [ 59.081456][ T8433] device hsr_slave_1 entered promiscuous mode [ 59.141622][ T8433] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.205176][ T8438] chnl_net:caif_netlink_parms(): no params data found [ 59.230580][ T8427] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.269075][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.278276][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.302756][ T8435] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.309931][ T8435] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.318830][ T8435] device bridge_slave_0 entered promiscuous mode [ 59.329391][ T8441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.338301][ T8441] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.347247][ T8441] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.354420][ T8441] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.394215][ T8435] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.402032][ T8435] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.409894][ T8435] device bridge_slave_1 entered promiscuous mode [ 59.417618][ T8441] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.427165][ T8441] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.437261][ T8441] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.445794][ T8441] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.452879][ T8441] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.462429][ T8433] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.516288][ T8433] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.563114][ T8438] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.570226][ T8438] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.579237][ T8438] device bridge_slave_0 entered promiscuous mode [ 59.588241][ T8438] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.596013][ T8438] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.604436][ T8438] device bridge_slave_1 entered promiscuous mode [ 59.634369][ T8435] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.666343][ T8433] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.730048][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.744381][ T8435] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.767724][ T8438] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.780935][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.789635][ T8433] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.852373][ T8440] chnl_net:caif_netlink_parms(): no params data found [ 59.872764][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.885659][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.895432][ T8438] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.943951][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.954306][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.963273][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.980697][ T8438] team0: Port device team_slave_0 added [ 59.993249][ T8440] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.000400][ T8440] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.008780][ T8440] device bridge_slave_0 entered promiscuous mode [ 60.018579][ T8435] team0: Port device team_slave_0 added [ 60.027352][ T8429] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.041482][ T8438] team0: Port device team_slave_1 added [ 60.047833][ T8440] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.055162][ T8440] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.063589][ T8440] device bridge_slave_1 entered promiscuous mode [ 60.073104][ T8435] team0: Port device team_slave_1 added [ 60.081721][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.090306][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.099419][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.108741][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.151138][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.173532][ T8438] device hsr_slave_0 entered promiscuous mode [ 60.211416][ T8438] device hsr_slave_1 entered promiscuous mode [ 60.251092][ T8438] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.270471][ T8429] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.277481][ T8441] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.285965][ T8441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.295591][ T8440] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.307393][ T8440] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.349832][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.358757][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.368376][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.375514][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.388915][ T8444] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.464023][ T8435] device hsr_slave_0 entered promiscuous mode [ 60.491328][ T8435] device hsr_slave_1 entered promiscuous mode [ 60.541095][ T8435] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.572075][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.584452][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.593259][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.600301][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.608464][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.622643][ T8438] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.665568][ T8438] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.726110][ T8440] team0: Port device team_slave_0 added [ 60.739726][ T8433] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.748253][ T8441] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.756651][ T8441] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.764406][ T8441] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.776949][ T8438] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.853479][ T8438] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.906548][ T8440] team0: Port device team_slave_1 added [ 60.964423][ T8440] device hsr_slave_0 entered promiscuous mode [ 61.011287][ T8440] device hsr_slave_1 entered promiscuous mode [ 61.051011][ T8440] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.067607][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.076759][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.088054][ T8427] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.113286][ T8433] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.120456][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.129670][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.137911][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.170989][ T8435] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.206703][ T8435] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.274536][ T8435] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.334811][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.344359][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.353068][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.361642][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.390007][ T8435] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.424528][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 166.450800][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.457843][ C0] rcu: 0-...!: (10499 ticks this GP) idle=25e/1/0x4000000000000002 softirq=10881/10881 fqs=42 [ 166.468594][ C0] (t=10501 jiffies g=6669 q=77) [ 166.473541][ C0] rcu: rcu_preempt kthread starved for 10418 jiffies! g6669 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 166.484654][ C0] rcu: RCU grace-period kthread stack dump: [ 166.491682][ C0] rcu_preempt R running task 28864 10 2 0x80004000 [ 166.499904][ C0] Call Trace: [ 166.503472][ C0] __schedule+0x9a0/0xcc0 [ 166.507811][ C0] schedule+0x181/0x210 [ 166.511959][ C0] schedule_timeout+0x14f/0x240 [ 166.516798][ C0] ? run_local_timers+0x120/0x120 [ 166.521820][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.526591][ C0] kthread+0x332/0x350 [ 166.530656][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.535816][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.540457][ C0] ret_from_fork+0x24/0x30 [ 166.544897][ C0] NMI backtrace for cpu 0 [ 166.549224][ C0] CPU: 0 PID: 2706 Comm: kworker/0:2 Not tainted 5.4.0-syzkaller #0 [ 166.557185][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.567247][ C0] Workqueue: events linkwatch_event [ 166.572518][ C0] Call Trace: [ 166.575918][ C0] [ 166.578781][ C0] dump_stack+0x1fb/0x318 [ 166.583105][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.587991][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.594185][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.600259][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.606263][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.612175][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.617491][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.622694][ C0] ? trace_hardirqs_off+0x74/0x80 [ 166.627771][ C0] update_process_times+0x12d/0x180 [ 166.633240][ C0] tick_sched_timer+0x263/0x420 [ 166.638132][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.643679][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.649033][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.654385][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.659710][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.665277][ C0] apic_timer_interrupt+0xf/0x20 [ 166.670239][ C0] [ 166.673217][ C0] RIP: 0010:__memcg_kmem_uncharge+0x211/0x2e0 [ 166.679411][ C0] Code: 65 db a4 ff 48 c7 c7 98 4b 0d 89 e8 59 97 00 00 bf 01 00 00 00 e8 2f e3 9b ff 65 8b 05 d4 fd 4a 7e 85 c0 74 53 48 83 c4 08 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 49 8d 5f 10 48 89 df be 08 00 00 00 [ 166.699490][ C0] RSP: 0018:ffffc90007ddf6d0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 166.707907][ C0] RAX: 0000000000000001 RBX: ffffea00028e4600 RCX: 0000000000000000 [ 166.715878][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00028e4600 [ 166.723847][ C0] RBP: ffffc90007ddf6f0 R08: 000000000003a768 R09: ffffed1014e25a9f [ 166.731813][ C0] R10: ffffed1014e25a9f R11: 0000000000000000 R12: ffffea00028e4600 [ 166.739777][ C0] R13: 1ffffd400051c8c7 R14: ffffea00028e4638 R15: 0000000000000000 [ 166.747778][ C0] free_thread_stack+0x12e/0x590 [ 166.752706][ C0] put_task_stack+0xa3/0x130 [ 166.757287][ C0] finish_task_switch+0x3f1/0x550 [ 166.762403][ C0] __schedule+0x9a8/0xcc0 [ 166.768213][ C0] ? ___preempt_schedule+0x16/0x18 [ 166.773312][ C0] preempt_schedule+0xdb/0x120 [ 166.778064][ C0] ___preempt_schedule+0x16/0x18 [ 166.782996][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 166.787878][ C0] ? vprintk_emit+0x368/0x3a0 [ 166.792595][ C0] vprintk_emit+0x36d/0x3a0 [ 166.797150][ C0] vprintk_default+0x28/0x30 [ 166.801738][ C0] vprintk_func+0x158/0x170 [ 166.806236][ C0] printk+0x62/0x8d [ 166.810038][ C0] ? addrconf_notify+0xd37/0x3c90 [ 166.815052][ C0] ? addrconf_notify+0x779/0x3c90 [ 166.820070][ C0] addrconf_notify+0x2c8d/0x3c90 [ 166.825002][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 166.830280][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 166.835822][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 166.841359][ C0] ? trace_hardirqs_on+0x74/0x80 [ 166.846292][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 166.851653][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 166.857275][ C0] ? tls_dev_event+0x619/0xc00 [ 166.862032][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 166.867569][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 166.873561][ C0] raw_notifier_call_chain+0xec/0x190 [ 166.879713][ C0] netdev_state_change+0x147/0x1f0 [ 166.884828][ C0] linkwatch_do_dev+0x10e/0x160 [ 166.889671][ C0] __linkwatch_run_queue+0x446/0x730 [ 166.894961][ C0] linkwatch_event+0x4c/0x60 [ 166.899545][ C0] process_one_work+0x7ef/0x10d0 [ 166.904494][ C0] worker_thread+0xc01/0x1630 [ 166.909184][ C0] kthread+0x332/0x350 [ 166.913248][ C0] ? rcu_lock_release+0x30/0x30 [ 166.918094][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.922676][ C0] ret_from_fork+0x24/0x30