[ 43.669351][ T24] audit: type=1800 audit(1575347832.847:25): pid=8101 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.688382][ T24] audit: type=1800 audit(1575347832.847:26): pid=8101 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.724405][ T24] audit: type=1800 audit(1575347832.847:27): pid=8101 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 43.744689][ T24] audit: type=1800 audit(1575347832.847:28): pid=8101 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 '10.128.0.184' (ECDSA) to the list of known hosts. 2019/12/03 04:37:23 fuzzer started 2019/12/03 04:37:25 dialing manager at 10.128.0.26:38907 2019/12/03 04:37:25 syscalls: 2697 2019/12/03 04:37:25 code coverage: enabled 2019/12/03 04:37:25 comparison tracing: enabled 2019/12/03 04:37:25 extra coverage: extra coverage is not supported by the kernel 2019/12/03 04:37:25 setuid sandbox: enabled 2019/12/03 04:37:25 namespace sandbox: enabled 2019/12/03 04:37:25 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 04:37:25 fault injection: enabled 2019/12/03 04:37:25 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 04:37:25 net packet injection: enabled 2019/12/03 04:37:25 net device setup: enabled 2019/12/03 04:37:25 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 04:37:25 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:37:26 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup\x00', 0x200002, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000100)={r0, 0x6, 0x0, 0x0, 0x0}, 0x20) 04:37:26 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) write$binfmt_elf64(0xffffffffffffffff, 0x0, 0x0) accept$packet(0xffffffffffffffff, 0x0, 0x0) r0 = socket$inet_dccp(0x2, 0x6, 0x0) ioctl$sock_inet_SIOCGIFDSTADDR(r0, 0x8917, &(0x7f0000000180)={'bridge0\x00', {0x2, 0x0, @local}}) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) syzkaller login: [ 57.161411][ T8268] IPVS: ftp: loaded support on port[0] = 21 04:37:26 executing program 2: r0 = openat$apparmor_thread_current(0xffffffffffffff9c, &(0x7f0000000140)='/proc/thread-self/attr/current\x00', 0x2, 0x0) writev(r0, &(0x7f0000000300)=[{&(0x7f0000000180)='D', 0x1}, {&(0x7f0000000200)="e0", 0x1}], 0x2) [ 57.305556][ T8270] IPVS: ftp: loaded support on port[0] = 21 [ 57.375525][ T8268] chnl_net:caif_netlink_parms(): no params data found [ 57.476264][ T8274] IPVS: ftp: loaded support on port[0] = 21 [ 57.489292][ T8268] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.499019][ T8268] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.510831][ T8268] device bridge_slave_0 entered promiscuous mode 04:37:26 executing program 3: r0 = socket(0x18, 0x0, 0x0) getsockopt$sock_buf(r0, 0x1, 0x1c, 0x0, &(0x7f0000000040)) [ 57.550696][ T8268] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.560342][ T8268] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.568717][ T8268] device bridge_slave_1 entered promiscuous mode [ 57.638017][ T8270] chnl_net:caif_netlink_parms(): no params data found [ 57.648492][ T8268] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.682342][ T8268] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.772830][ T8270] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.784827][ T8270] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.792594][ T8270] device bridge_slave_0 entered promiscuous mode [ 57.816551][ T8268] team0: Port device team_slave_0 added [ 57.829299][ T8277] IPVS: ftp: loaded support on port[0] = 21 [ 57.848058][ T8270] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.861021][ T8270] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.869384][ T8270] device bridge_slave_1 entered promiscuous mode 04:37:27 executing program 4: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio\x00', 0x0, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$int_in(r0, 0x800000c0045006, &(0x7f0000000000)=0x4) [ 57.879765][ T8268] team0: Port device team_slave_1 added [ 57.909910][ T8274] chnl_net:caif_netlink_parms(): no params data found [ 57.966713][ T8270] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 04:37:27 executing program 5: r0 = socket$inet6(0xa, 0x5, 0x0) setsockopt$sock_linger(r0, 0x1, 0x3c, &(0x7f0000000040), 0x8) [ 58.067816][ T8268] device hsr_slave_0 entered promiscuous mode [ 58.134597][ T8268] device hsr_slave_1 entered promiscuous mode [ 58.187768][ T8270] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.219108][ T8274] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.227504][ T8274] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.235603][ T8274] device bridge_slave_0 entered promiscuous mode [ 58.259730][ T8280] IPVS: ftp: loaded support on port[0] = 21 [ 58.271169][ T8282] IPVS: ftp: loaded support on port[0] = 21 [ 58.279515][ T8270] team0: Port device team_slave_0 added [ 58.286461][ T8274] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.294296][ T8274] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.301939][ T8274] device bridge_slave_1 entered promiscuous mode [ 58.330508][ T8270] team0: Port device team_slave_1 added [ 58.347837][ T8268] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.417239][ T8268] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.515944][ T8268] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.578457][ T8268] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.654235][ T8274] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.716705][ T8270] device hsr_slave_0 entered promiscuous mode [ 58.753792][ T8270] device hsr_slave_1 entered promiscuous mode [ 58.793578][ T8270] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.822836][ T8274] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.851675][ T8274] team0: Port device team_slave_0 added [ 58.860255][ T8274] team0: Port device team_slave_1 added [ 58.890680][ T8277] chnl_net:caif_netlink_parms(): no params data found [ 58.911134][ T8270] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.968562][ T8270] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.026787][ T8270] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.087070][ T8270] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.245277][ T8274] device hsr_slave_0 entered promiscuous mode [ 59.293841][ T8274] device hsr_slave_1 entered promiscuous mode [ 59.363499][ T8274] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.389503][ T8277] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.396776][ T8277] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.405403][ T8277] device bridge_slave_0 entered promiscuous mode [ 59.413034][ T8277] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.420223][ T8277] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.428007][ T8277] device bridge_slave_1 entered promiscuous mode [ 59.455410][ T8274] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.536068][ T8280] chnl_net:caif_netlink_parms(): no params data found [ 59.546578][ T8274] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.626473][ T8274] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.681867][ T8277] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.699541][ T8277] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.717665][ T8274] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.820005][ T8282] chnl_net:caif_netlink_parms(): no params data found [ 59.832419][ T8280] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.840676][ T8280] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.851353][ T8280] device bridge_slave_0 entered promiscuous mode [ 59.860332][ T8277] team0: Port device team_slave_0 added [ 59.872970][ T8277] team0: Port device team_slave_1 added [ 59.883253][ T8280] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.890567][ T8280] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.900197][ T8280] device bridge_slave_1 entered promiscuous mode [ 59.918935][ T8280] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.942762][ T8282] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.952115][ T8282] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.960073][ T8282] device bridge_slave_0 entered promiscuous mode [ 59.968139][ T8282] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.975340][ T8282] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.982937][ T8282] device bridge_slave_1 entered promiscuous mode [ 59.990866][ T8280] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.015394][ T8280] team0: Port device team_slave_0 added [ 60.032279][ T8280] team0: Port device team_slave_1 added [ 60.085593][ T8277] device hsr_slave_0 entered promiscuous mode [ 60.133831][ T8277] device hsr_slave_1 entered promiscuous mode [ 60.173534][ T8277] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.209144][ T8268] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.220093][ T8282] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.255305][ T8280] device hsr_slave_0 entered promiscuous mode [ 60.293771][ T8280] device hsr_slave_1 entered promiscuous mode [ 60.344227][ T8280] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.371505][ T8282] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.406534][ T8277] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.479432][ T8268] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.492672][ T8282] team0: Port device team_slave_0 added [ 60.501908][ T8282] team0: Port device team_slave_1 added [ 60.511785][ T8277] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.552395][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.560765][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.572696][ T8270] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.603049][ T8277] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.637553][ T8277] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.711654][ T8280] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.796081][ T8282] device hsr_slave_0 entered promiscuous mode [ 60.824435][ T8282] device hsr_slave_1 entered promiscuous mode [ 60.863566][ T8282] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.872070][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.881117][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.889648][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.896831][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.913085][ T8270] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.922455][ T8280] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.965994][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.975086][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.983954][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.992273][ T3098] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.999434][ T3098] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.008364][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.016206][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.029822][ T8274] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.049103][ T8280] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.076754][ T8280] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.125619][ T8272] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.136189][ T8272] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.145098][ T8272] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.152142][ T8272] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.160170][ T8272] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.169387][ T8272] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.205162][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.214410][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.222732][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.229830][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.239829][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.248663][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.257853][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.266544][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.275908][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.306871][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.319714][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.329139][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.337862][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.345726][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.362261][ T8268] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.373998][ T8268] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.390815][ T8274] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.408073][ T8270] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.419203][ T8270] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.430479][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.438891][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.447716][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.456209][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.464795][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.473514][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.481798][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.490181][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.498936][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.507585][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.516050][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.524860][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.533163][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.541590][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.549496][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.562913][ T8277] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.570707][ T8282] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.625609][ T8282] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.685760][ T8277] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.694705][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.704421][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.713272][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.720394][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.729279][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.738006][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.746496][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.753566][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.761042][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.769261][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.777020][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.789602][ T8282] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.835011][ T8282] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 61.881979][ T8272] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.901689][ T8272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.911529][ T8272] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.921370][ T8272] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.930476][ T8272] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.939157][ T8272] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.947808][ T8272] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.954929][ T8272] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.962544][ T8272] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.970162][ T8272] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.979464][ T8272] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.987362][ T8272] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.003626][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.012280][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.021097][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.028229][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.037211][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.045773][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.067532][ T8268] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.088386][ T8280] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.106594][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.121579][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.130970][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.140169][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.148766][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.157267][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.165947][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.173775][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.182587][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.202272][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.210804][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.222160][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.230634][ T3098] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.252241][ T8277] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.273604][ T8277] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.296706][ T8270] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.310105][ T8274] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.353211][ T8274] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 167.363333][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.370123][ C1] rcu: 1-...!: (1 GPs behind) idle=bea/1/0x4000000000000002 softirq=11551/11558 fqs=39 [ 167.380118][ C1] (t=10501 jiffies g=6485 q=263) [ 167.385162][ C1] rcu: rcu_preempt kthread starved for 10424 jiffies! g6485 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 167.396245][ C1] rcu: RCU grace-period kthread stack dump: [ 167.402127][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 167.410026][ C1] Call Trace: [ 167.413324][ C1] __schedule+0x9a0/0xcc0 [ 167.417666][ C1] schedule+0x181/0x210 [ 167.421827][ C1] schedule_timeout+0x14f/0x240 [ 167.426683][ C1] ? run_local_timers+0x120/0x120 [ 167.431713][ C1] rcu_gp_kthread+0xed8/0x1770 [ 167.436478][ C1] kthread+0x332/0x350 [ 167.440534][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 167.445642][ C1] ? kthread_blkcg+0xe0/0xe0 [ 167.450249][ C1] ret_from_fork+0x24/0x30 [ 167.454693][ C1] NMI backtrace for cpu 1 [ 167.459043][ C1] CPU: 1 PID: 8277 Comm: syz-executor.3 Not tainted 5.4.0-syzkaller #0 [ 167.467270][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.477321][ C1] Call Trace: [ 167.480595][ C1] [ 167.483437][ C1] dump_stack+0x1fb/0x318 [ 167.487760][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.492603][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.498749][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.504809][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.510789][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.516679][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.522930][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.528133][ C1] ? trace_hardirqs_off+0x74/0x80 [ 167.533154][ C1] update_process_times+0x12d/0x180 [ 167.538357][ C1] tick_sched_timer+0x263/0x420 [ 167.543201][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.548750][ C1] __hrtimer_run_queues+0x403/0x840 [ 167.553964][ C1] hrtimer_interrupt+0x38c/0xda0 [ 167.558932][ C1] ? debug_smp_processor_id+0x9/0x20 [ 167.564227][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 167.569765][ C1] apic_timer_interrupt+0xf/0x20 [ 167.574687][ C1] [ 167.577616][ C1] RIP: 0010:free_thread_stack+0x186/0x590 [ 167.583321][ C1] 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 a4 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 a3 69 00 48 8b 1b e9 82 ff ff [ 167.602921][ C1] RSP: 0018:ffffc90001f87528 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff13 [ 167.611324][ C1] RAX: 1ffff11012ebed51 RBX: ffff8880975f6a88 RCX: ffff888091dba200 [ 167.619287][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002605700 [ 167.627255][ C1] RBP: ffffc90001f87560 R08: 000000000003a768 R09: ffffed1011d7baff [ 167.635222][ C1] R10: ffffed1011d7baff R11: 0000000000000000 R12: ffff8880975f6b20 [ 167.643208][ C1] R13: dffffc0000000000 R14: 1ffff11012ebed64 R15: ffff88808ebdd7e8 [ 167.651223][ C1] ? free_thread_stack+0x168/0x590 [ 167.656356][ C1] put_task_stack+0xa3/0x130 [ 167.660954][ C1] finish_task_switch+0x3f1/0x550 [ 167.665985][ C1] __schedule+0x9a8/0xcc0 [ 167.670462][ C1] ? ___preempt_schedule+0x16/0x18 [ 167.675577][ C1] preempt_schedule+0xdb/0x120 [ 167.680347][ C1] ___preempt_schedule+0x16/0x18 [ 167.685305][ C1] try_to_wake_up+0xe78/0x1050 [ 167.690082][ C1] wake_up_q+0x8c/0xe0 [ 167.694169][ C1] __mutex_unlock_slowpath+0x586/0x5b0 [ 167.699641][ C1] mutex_unlock+0x1b/0x30 [ 167.703969][ C1] __rtnl_unlock+0x2c/0xa0 [ 167.708397][ C1] netdev_run_todo+0xe5/0xe10 [ 167.713103][ C1] rtnetlink_rcv_msg+0x890/0xd40 [ 167.718064][ C1] ? rcu_lock_release+0x9/0x30 [ 167.722846][ C1] ? rcu_lock_release+0x9/0x30 [ 167.727623][ C1] ? rcu_lock_release+0x9/0x30 [ 167.732524][ C1] netlink_rcv_skb+0x19e/0x3d0 [ 167.737295][ C1] ? rtnetlink_bind+0x80/0x80 [ 167.742004][ C1] rtnetlink_rcv+0x1c/0x20 [ 167.746419][ C1] netlink_unicast+0x767/0x920 [ 167.751207][ C1] netlink_sendmsg+0xa21/0xd40 [ 167.755984][ C1] ? netlink_getsockopt+0x9f0/0x9f0 [ 167.761181][ C1] __sys_sendto+0x442/0x5e0 [ 167.765719][ C1] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 167.771815][ C1] ? prepare_exit_to_usermode+0x221/0x5b0 [ 167.777664][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 167.783248][ C1] __x64_sys_sendto+0xe5/0x100 [ 167.788045][ C1] do_syscall_64+0xf7/0x1c0 [ 167.792579][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.798736][ C1] RIP: 0033:0x414373 [ 167.802625][ C1] Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d fd 40 66 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff [ 167.822238][ C1] RSP: 002b:00007ffc2e6ef9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 167.830665][ C1] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414373 [ 167.838644][ C1] RDX: 0000000000000020 RSI: 0000000000a72250 RDI: 0000000000000003 [ 167.846631][ C1] RBP: 0000000000000000 R08: 00007ffc2e6ef9c0 R09: 000000000000000c [ 167.854613][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 167.862603][ C1] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003