[ 43.653103][ T25] audit: type=1800 audit(1575454709.450:25): pid=8051 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.679135][ T25] audit: type=1800 audit(1575454709.450:26): pid=8051 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.717023][ T25] audit: type=1800 audit(1575454709.450:27): pid=8051 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 43.736568][ T25] audit: type=1800 audit(1575454709.450:28): pid=8051 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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 '10.128.15.226' (ECDSA) to the list of known hosts. 2019/12/04 10:18:39 fuzzer started 2019/12/04 10:18:41 dialing manager at 10.128.0.26:36481 2019/12/04 10:18:41 syscalls: 2691 2019/12/04 10:18:41 code coverage: enabled 2019/12/04 10:18:41 comparison tracing: enabled 2019/12/04 10:18:41 extra coverage: extra coverage is not supported by the kernel 2019/12/04 10:18:41 setuid sandbox: enabled 2019/12/04 10:18:41 namespace sandbox: enabled 2019/12/04 10:18:41 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 10:18:41 fault injection: enabled 2019/12/04 10:18:41 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 10:18:41 net packet injection: enabled 2019/12/04 10:18:41 net device setup: enabled 2019/12/04 10:18:41 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 10:18:41 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:18:42 executing program 0: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) unshare(0x2040400) r3 = io_uring_setup(0x40000000e, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x0, [], {0x0, 0x0, 0x0, 0x0, 0x0, 0x2}}) readahead(r3, 0x0, 0x0) 10:18:42 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000009c0)=@newlink={0x40, 0x10, 0x0, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, @ipip={{0xc, 0x1, 'ipip\x00'}, {0x10, 0x2, [@tunl_policy=[@IFLA_IPTUN_COLLECT_METADATA={0x4}], @tunl_policy=[@IFLA_IPTUN_ENCAP_DPORT={0x8}]]}}}]}, 0x40}}, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r3, 0x4020ae46, &(0x7f0000000740)={0x3, 0x2, 0xf000, 0x1000, &(0x7f0000000000/0x1000)=nil}) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r3, 0x4020ae46, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r4, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfb]}) ioctl$KVM_RUN(r4, 0xae80, 0x0) ioctl$KVM_RUN(r4, 0xae80, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$KVM_NMI(r4, 0xae9a) ioctl$KVM_SET_REGS(r4, 0x4090ae82, &(0x7f0000000380)={[0xfffffffffffffffd]}) ioctl$KVM_RUN(r4, 0xae80, 0x0) syzkaller login: [ 56.765324][ T8214] IPVS: ftp: loaded support on port[0] = 21 [ 56.856789][ T8216] IPVS: ftp: loaded support on port[0] = 21 10:18:42 executing program 2: r0 = syz_open_dev$dri(&(0x7f00000000c0)='/dev/dri/card#\x00', 0x0, 0x0) ioctl$DRM_IOCTL_SET_VERSION(r0, 0xc0106407, &(0x7f00000000c0)={0xffffffff, 0x0, 0x1}) [ 56.964216][ T8214] chnl_net:caif_netlink_parms(): no params data found [ 57.114097][ T8214] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.122074][ T8214] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.131098][ T8214] device bridge_slave_0 entered promiscuous mode [ 57.144487][ T8220] IPVS: ftp: loaded support on port[0] = 21 [ 57.154572][ T8216] chnl_net:caif_netlink_parms(): no params data found [ 57.166108][ T8214] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.178467][ T8214] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.186390][ T8214] device bridge_slave_1 entered promiscuous mode 10:18:43 executing program 3: unshare(0x2040400) r0 = openat$fb0(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/fb0\x00', 0x0, 0x0) ioctl$RTC_VL_CLR(r0, 0x4610) [ 57.283149][ T8214] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.298180][ T8216] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.305297][ T8216] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.316936][ T8216] device bridge_slave_0 entered promiscuous mode [ 57.336214][ T8214] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.353171][ T8216] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.361508][ T8216] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.371524][ T8216] device bridge_slave_1 entered promiscuous mode [ 57.433521][ T8214] team0: Port device team_slave_0 added [ 57.448459][ T8216] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.461346][ T8214] team0: Port device team_slave_1 added [ 57.478609][ T8216] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.503683][ T8220] chnl_net:caif_netlink_parms(): no params data found 10:18:43 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000140)=0x3) ioctl$TIOCSSOFTCAR(r0, 0x5402, 0x0) [ 57.562031][ T8223] IPVS: ftp: loaded support on port[0] = 21 [ 57.593845][ T8214] device hsr_slave_0 entered promiscuous mode [ 57.637597][ T8214] device hsr_slave_1 entered promiscuous mode [ 57.723743][ T8216] team0: Port device team_slave_0 added [ 57.745691][ T8220] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.769222][ T8220] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.777127][ T8220] device bridge_slave_0 entered promiscuous mode [ 57.802827][ T8216] team0: Port device team_slave_1 added [ 57.830828][ T8220] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.838595][ T8220] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.846528][ T8220] device bridge_slave_1 entered promiscuous mode [ 57.861551][ T8225] IPVS: ftp: loaded support on port[0] = 21 10:18:43 executing program 5: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000bfff0)={&(0x7f0000000340)=ANY=[@ANYBLOB="b8000000190001388300000000000000ff01000000000000000000000000eb00e0000001000000002e0900000200000000000000000000000a00000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB='\x00'/112], 0xb8}}, 0x0) [ 57.899903][ T8220] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.917162][ T8220] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.010506][ T8214] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.080321][ T8220] team0: Port device team_slave_0 added [ 58.086671][ T8214] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.159597][ T8214] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.270026][ T8216] device hsr_slave_0 entered promiscuous mode [ 58.307621][ T8216] device hsr_slave_1 entered promiscuous mode [ 58.377406][ T8216] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.399561][ T8220] team0: Port device team_slave_1 added [ 58.408245][ T8214] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.476297][ T8227] IPVS: ftp: loaded support on port[0] = 21 [ 58.550756][ T8216] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.590773][ T8216] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.641010][ T8216] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.715342][ T8216] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.820192][ T8220] device hsr_slave_0 entered promiscuous mode [ 58.887735][ T8220] device hsr_slave_1 entered promiscuous mode [ 58.937397][ T8220] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.996849][ T8223] chnl_net:caif_netlink_parms(): no params data found [ 59.007023][ T8225] chnl_net:caif_netlink_parms(): no params data found [ 59.084998][ T8220] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.139157][ T8220] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.179226][ T8223] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.186302][ T8223] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.194391][ T8223] device bridge_slave_0 entered promiscuous mode [ 59.215066][ T8225] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.222263][ T8225] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.230241][ T8225] device bridge_slave_0 entered promiscuous mode [ 59.240941][ T8220] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.321978][ T8220] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.380255][ T8223] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.387551][ T8223] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.395119][ T8223] device bridge_slave_1 entered promiscuous mode [ 59.402670][ T8225] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.409815][ T8225] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.417709][ T8225] device bridge_slave_1 entered promiscuous mode [ 59.435337][ T8225] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.468131][ T8225] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.504874][ T8223] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.515846][ T8223] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.528412][ T8225] team0: Port device team_slave_0 added [ 59.564647][ T8214] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.575326][ T8225] team0: Port device team_slave_1 added [ 59.650669][ T8225] device hsr_slave_0 entered promiscuous mode [ 59.687685][ T8225] device hsr_slave_1 entered promiscuous mode [ 59.737365][ T8225] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.763342][ T8223] team0: Port device team_slave_0 added [ 59.771226][ T8227] chnl_net:caif_netlink_parms(): no params data found [ 59.802077][ T8216] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.810744][ T8223] team0: Port device team_slave_1 added [ 59.820307][ T8225] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.873451][ T8225] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.929542][ T8225] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.990604][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.999166][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.021268][ T8214] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.036130][ T8225] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.139168][ T8223] device hsr_slave_0 entered promiscuous mode [ 60.187639][ T8223] device hsr_slave_1 entered promiscuous mode [ 60.237371][ T8223] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.253508][ T8227] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.261224][ T8227] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.268993][ T8227] device bridge_slave_0 entered promiscuous mode [ 60.277669][ T8227] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.284715][ T8227] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.292665][ T8227] device bridge_slave_1 entered promiscuous mode [ 60.313439][ T8227] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.328563][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.337032][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.345809][ T8228] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.353048][ T8228] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.368674][ T8227] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.418204][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.426543][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.435543][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.443937][ T8228] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.451125][ T8228] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.462067][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.469755][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.477525][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.485978][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.494461][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.503302][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.511738][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.520323][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.528639][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.536789][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.545019][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.553294][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.563025][ T8216] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.574139][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.587995][ T8220] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.606788][ T8223] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.665925][ T8227] team0: Port device team_slave_0 added [ 60.674052][ T8227] team0: Port device team_slave_1 added [ 60.680963][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.691377][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.699949][ T2843] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.707082][ T2843] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.727094][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.745868][ T8214] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.755746][ T8223] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.803220][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.811975][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.819594][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.830094][ T2843] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.838974][ T2843] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.846047][ T2843] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.873886][ T8223] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.920881][ T8223] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.010087][ T8227] device hsr_slave_0 entered promiscuous mode [ 61.047542][ T8227] device hsr_slave_1 entered promiscuous mode [ 61.087316][ T8227] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.094891][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.103874][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.112443][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.121238][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.129611][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.138227][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.147583][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.155167][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.162891][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.180042][ T8225] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.192630][ T8216] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.209118][ T8216] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.226419][ T8220] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.252028][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.270781][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.282460][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.294161][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.313319][ T8225] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.344669][ T8216] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.417735][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.425451][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.440798][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.453135][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.462982][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.474755][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.485898][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.500595][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.507695][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.521204][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.531636][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.544993][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.552119][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.565261][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.574016][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.590017][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.603513][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.645033][ T8220] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.663382][ T8220] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.695286][ T2775] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.704762][ T2775] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.718671][ T2775] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.732740][ T2775] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.742103][ T2775] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.749187][ T2775] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.762650][ T2775] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.771384][ T2775] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.786029][ T2775] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.793147][ T2775] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.806374][ T2775] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.815117][ T2775] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.829712][ T2775] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.842396][ T2775] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.852925][ T2775] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.865891][ T2775] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.876613][ T2775] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.891082][ T2775] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.901753][ T2775] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.915027][ T2775] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.965537][ T8225] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.985693][ T8225] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.999005][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.012454][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.021453][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.034780][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.046811][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.059001][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.071991][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.082223][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.094483][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.105565][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.119564][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.132611][ T8227] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 166.367204][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.374087][ C0] rcu: 0-....: (1 GPs behind) idle=4d2/1/0x4000000000000002 softirq=11968/11975 fqs=2757 [ 166.384365][ C0] (t=10500 jiffies g=6421 q=960) [ 166.389383][ C0] rcu: rcu_preempt kthread starved for 4965 jiffies! g6421 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 166.400381][ C0] rcu: RCU grace-period kthread stack dump: [ 166.406258][ C0] rcu_preempt R running task 28864 10 2 0x80004000 [ 166.417182][ C0] Call Trace: [ 166.420465][ C0] __schedule+0x9a0/0xcc0 [ 166.424790][ C0] schedule+0x181/0x210 [ 166.428935][ C0] schedule_timeout+0x14f/0x240 [ 166.433771][ C0] ? run_local_timers+0x120/0x120 [ 166.438785][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.443554][ C0] kthread+0x332/0x350 [ 166.447610][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.452716][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.457297][ C0] ret_from_fork+0x24/0x30 [ 166.461714][ C0] NMI backtrace for cpu 0 [ 166.466033][ C0] CPU: 0 PID: 8214 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 166.474257][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.484301][ C0] Call Trace: [ 166.487577][ C0] [ 166.490443][ C0] dump_stack+0x1fb/0x318 [ 166.494789][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.499635][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.505788][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.511851][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.517871][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.523763][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.528875][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.534074][ C0] ? trace_hardirqs_off+0x74/0x80 [ 166.539089][ C0] update_process_times+0x12d/0x180 [ 166.544291][ C0] tick_sched_timer+0x263/0x420 [ 166.549127][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.554663][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.559861][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.564803][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.570080][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.575615][ C0] apic_timer_interrupt+0xf/0x20 [ 166.580531][ C0] [ 166.583457][ C0] RIP: 0010:free_thread_stack+0x186/0x590 [ 166.589165][ C0] Code: 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 09 a0 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 eb 9f 69 00 48 8b 1b e9 82 ff ff [ 166.609448][ C0] RSP: 0018:ffffc90002067bd0 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 [ 166.617853][ C0] RAX: 1ffff110146f8f11 RBX: ffff8880a37c7888 RCX: ffff8880985a4000 [ 166.625808][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0001b1e440 [ 166.633767][ C0] RBP: ffffc90002067c08 R08: 000000000003a728 R09: ffffed101194534f [ 166.641726][ C0] R10: ffffed101194534f R11: 0000000000000000 R12: ffff8880a37c7920 [ 166.649682][ C0] R13: dffffc0000000000 R14: 1ffff110146f8f24 R15: ffff88808ca29a68 [ 166.657661][ C0] put_task_stack+0xa3/0x130 [ 166.662242][ C0] finish_task_switch+0x3f1/0x550 [ 166.667258][ C0] __schedule+0x9a8/0xcc0 [ 166.671667][ C0] schedule+0x181/0x210 [ 166.675809][ C0] do_nanosleep+0x1d0/0x6c0 [ 166.680313][ C0] hrtimer_nanosleep+0x3a6/0x5b0 [ 166.685241][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 166.691038][ C0] __x64_sys_nanosleep+0x186/0x1d0 [ 166.696145][ C0] do_syscall_64+0xf7/0x1c0 [ 166.700637][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.706515][ C0] RIP: 0033:0x458b20 [ 166.710401][ C0] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 11 fe 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 166.729987][ C0] RSP: 002b:00007ffee0bb0e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 166.738384][ C0] RAX: ffffffffffffffda RBX: 000000000000ef22 RCX: 0000000000458b20 [ 166.746340][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffee0bb0e40 [ 166.754301][ C0] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000001cfd940 [ 166.762261][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 166.770215][ C0] R13: 00007ffee0bb0e90 R14: 000000000000ef22 R15: 00007ffee0bb0ea0