[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.007045][ T26] audit: type=1800 audit(1578456436.868:25): pid=8402 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.027034][ T26] audit: type=1800 audit(1578456436.868:26): pid=8402 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.061810][ T26] audit: type=1800 audit(1578456436.868:27): pid=8402 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 '10.128.0.193' (ECDSA) to the list of known hosts. 2020/01/08 04:07:25 fuzzer started 2020/01/08 04:07:27 dialing manager at 10.128.0.26:35703 2020/01/08 04:07:27 syscalls: 2824 2020/01/08 04:07:27 code coverage: enabled 2020/01/08 04:07:27 comparison tracing: enabled 2020/01/08 04:07:27 extra coverage: enabled 2020/01/08 04:07:27 setuid sandbox: enabled 2020/01/08 04:07:27 namespace sandbox: enabled 2020/01/08 04:07:27 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 04:07:27 fault injection: enabled 2020/01/08 04:07:27 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 04:07:27 net packet injection: enabled 2020/01/08 04:07:27 net device setup: enabled 2020/01/08 04:07:27 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 04:07:27 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:07:28 executing program 0: perf_event_open(&(0x7f0000000080)={0x2, 0x70, 0xeb, 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, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x10, 0x3, 0x0) sendmsg(r0, &(0x7f0000000900)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000200)="240000005a0007031dfffd946fa2830020200a0009000300001d85680c1ba3a20400ff7e", 0x24}], 0x1}, 0x0) 04:07:28 executing program 1: r0 = socket$inet(0x2b, 0x801, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @remote}, 0x10) setsockopt$IP_VS_SO_SET_TIMEOUT(r0, 0x0, 0x48a, &(0x7f00000000c0)={0x6000000}, 0xc) syzkaller login: [ 64.438232][ T8569] IPVS: ftp: loaded support on port[0] = 21 [ 64.572413][ T8569] chnl_net:caif_netlink_parms(): no params data found [ 64.622435][ T8569] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.630785][ T8569] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.640001][ T8569] device bridge_slave_0 entered promiscuous mode [ 64.649271][ T8569] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.656412][ T8569] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.665718][ T8569] device bridge_slave_1 entered promiscuous mode [ 64.691256][ T8572] IPVS: ftp: loaded support on port[0] = 21 [ 64.698031][ T8569] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.710122][ T8569] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.736082][ T8569] team0: Port device team_slave_0 added 04:07:28 executing program 2: setsockopt$IP_VS_SO_SET_EDIT(0xffffffffffffffff, 0x0, 0x60, &(0x7f0000000080)={0x0, @rand_addr, 0x0, 0x0, 'none\x00', 0x0, 0x3fc}, 0xffffffffffffff14) syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x898fd13755b449c, &(0x7f0000000100)=[{&(0x7f0000000040)="800000003804000019000300e60100006c000000000000000200000001000000004000000040000080000000000000006d5ebe5a0000ffff53ef", 0xff66, 0x400}], 0x5, 0x0) [ 64.746027][ T8569] team0: Port device team_slave_1 added [ 64.830871][ T8569] device hsr_slave_0 entered promiscuous mode [ 64.887708][ T8569] device hsr_slave_1 entered promiscuous mode [ 64.954249][ T8574] IPVS: ftp: loaded support on port[0] = 21 04:07:28 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x24, 0x33, 0x119, 0x0, 0x0, {0x2}, [@generic="ffd38d9b", @nested={0xc, 0x1}]}, 0x24}}, 0x0) [ 65.101544][ T8572] chnl_net:caif_netlink_parms(): no params data found [ 65.188998][ T8569] netdevsim netdevsim0 netdevsim0: renamed from eth0 04:07:29 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_CHECK_EXTENSION(r0, 0xae03, 0x42) [ 65.281708][ T8569] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.331758][ T8569] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.410301][ T8569] netdevsim netdevsim0 netdevsim3: renamed from eth3 04:07:29 executing program 5: r0 = socket$inet6(0x10, 0x3, 0x0) sendmsg(r0, &(0x7f0000002fc8)={0x0, 0x0, &(0x7f0000002000)=[{&(0x7f0000000000)="5500000018007f5f00fe01b2a4a280930206000100000001000000000a00040035000c03110000001900154001000000000022dc1338d54400009b84136ef75afb83de4411001600c43ab8220000060cec4fab91d4", 0x55}], 0x1}, 0x0) [ 65.466811][ T8579] IPVS: ftp: loaded support on port[0] = 21 [ 65.496772][ T8577] IPVS: ftp: loaded support on port[0] = 21 [ 65.549060][ T8574] chnl_net:caif_netlink_parms(): no params data found [ 65.564730][ T8572] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.577726][ T8572] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.585566][ T8572] device bridge_slave_0 entered promiscuous mode [ 65.611722][ T8572] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.620924][ T8572] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.629834][ T8572] device bridge_slave_1 entered promiscuous mode [ 65.716596][ T8574] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.725477][ T8574] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.733320][ T8574] device bridge_slave_0 entered promiscuous mode [ 65.742650][ T8574] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.751491][ T8574] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.759598][ T8574] device bridge_slave_1 entered promiscuous mode [ 65.768393][ T8572] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.780201][ T8572] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.819586][ T8582] IPVS: ftp: loaded support on port[0] = 21 [ 65.832100][ T8574] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.891257][ T8574] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.902867][ T8572] team0: Port device team_slave_0 added [ 65.913316][ T8572] team0: Port device team_slave_1 added [ 65.943259][ T8574] team0: Port device team_slave_0 added [ 65.951719][ T8577] chnl_net:caif_netlink_parms(): no params data found [ 65.971062][ T8574] team0: Port device team_slave_1 added [ 66.025450][ T8579] chnl_net:caif_netlink_parms(): no params data found [ 66.079557][ T8572] device hsr_slave_0 entered promiscuous mode [ 66.117768][ T8572] device hsr_slave_1 entered promiscuous mode [ 66.167508][ T8572] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.175340][ T8572] Cannot create hsr debugfs directory [ 66.250179][ T8574] device hsr_slave_0 entered promiscuous mode [ 66.277766][ T8574] device hsr_slave_1 entered promiscuous mode [ 66.327489][ T8574] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.335063][ T8574] Cannot create hsr debugfs directory [ 66.405057][ T8577] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.412611][ T8577] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.420608][ T8577] device bridge_slave_0 entered promiscuous mode [ 66.456160][ T8569] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.467030][ T8577] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.474437][ T8577] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.482180][ T8577] device bridge_slave_1 entered promiscuous mode [ 66.500459][ T8579] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.507845][ T8579] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.515735][ T8579] device bridge_slave_0 entered promiscuous mode [ 66.525534][ T8579] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.532712][ T8579] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.540607][ T8579] device bridge_slave_1 entered promiscuous mode [ 66.577176][ T8582] chnl_net:caif_netlink_parms(): no params data found [ 66.587844][ T8577] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.618783][ T8579] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.629401][ T8577] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.642740][ T8579] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.673177][ T8569] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.687758][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.695911][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.749054][ T8577] team0: Port device team_slave_0 added [ 66.760091][ T8579] team0: Port device team_slave_0 added [ 66.766077][ T8574] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.804263][ T8574] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.860673][ T8574] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.920742][ T8577] team0: Port device team_slave_1 added [ 66.929539][ T8574] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.982595][ T8579] team0: Port device team_slave_1 added [ 66.988798][ T8582] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.995844][ T8582] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.006368][ T8582] device bridge_slave_0 entered promiscuous mode [ 67.015337][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.024562][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.033031][ T2900] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.040246][ T2900] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.049454][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.059776][ T8572] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.109223][ T8572] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.149839][ T8572] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.196199][ T8572] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.254806][ T8582] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.262149][ T8582] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.269904][ T8582] device bridge_slave_1 entered promiscuous mode [ 67.288881][ T8582] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.360059][ T8579] device hsr_slave_0 entered promiscuous mode [ 67.410595][ T8579] device hsr_slave_1 entered promiscuous mode [ 67.447512][ T8579] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.455141][ T8579] Cannot create hsr debugfs directory [ 67.462497][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.473966][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.482463][ T2898] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.489585][ T2898] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.498766][ T8582] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.561308][ T8577] device hsr_slave_0 entered promiscuous mode [ 67.607758][ T8577] device hsr_slave_1 entered promiscuous mode [ 67.647641][ T8577] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.655276][ T8577] Cannot create hsr debugfs directory [ 67.681277][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.690624][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.736407][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.747700][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.759565][ T8582] team0: Port device team_slave_0 added [ 67.767166][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.788466][ T8582] team0: Port device team_slave_1 added [ 67.814766][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.825154][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.842003][ T8569] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.854210][ T8569] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.887449][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.895711][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.904622][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.913728][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.924927][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.999335][ T8582] device hsr_slave_0 entered promiscuous mode [ 68.047841][ T8582] device hsr_slave_1 entered promiscuous mode [ 68.108602][ T8582] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.116192][ T8582] Cannot create hsr debugfs directory [ 68.134477][ T8574] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.162166][ T8579] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.246004][ T8574] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.268525][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.276334][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.284348][ T8579] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.349770][ T8579] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.379168][ T8579] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.474439][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.484066][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.493504][ T2901] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.500634][ T2901] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.508366][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.516910][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.525336][ T2901] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.532405][ T2901] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.540792][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.548390][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.559013][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.584913][ T8572] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.600406][ T8569] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.610527][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.639727][ T8577] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.719803][ T8577] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.759551][ T8577] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.789091][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.800663][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.809717][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.818348][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.826998][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.838594][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.851347][ T8572] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.862681][ T8577] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.940462][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.953440][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.962131][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.970639][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.022453][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.033002][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.041828][ T2899] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.048943][ T2899] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.056529][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.065236][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.073710][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.082355][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.091243][ T2899] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.098351][ T2899] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.105961][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.116074][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.124199][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.133434][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.149724][ T8574] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.169596][ T8582] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.233231][ T8582] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.298296][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.306922][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.316083][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.324934][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.333684][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.342161][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.356205][ T8582] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.390307][ T8582] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.476654][ T8579] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.493104][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.502112][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.510920][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.519673][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.528476][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.536642][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.546183][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.554586][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.565344][ T8572] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.575733][ T8569] device veth0_vlan entered promiscuous mode [ 69.595863][ T8569] device veth1_vlan entered promiscuous mode [ 69.618475][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.626410][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.634467][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.642241][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.649858][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.661805][ T8574] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.684683][ T8579] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.727963][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.736667][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.752982][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.761707][ T2714] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.768809][ T2714] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.776420][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.784527][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.793221][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.803227][ T8572] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.817118][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.829585][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.839132][ T2901] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.846185][ T2901] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.867746][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.876547][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.886318][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.895318][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.919842][ T8577] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.955876][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.964769][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.979788][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.994422][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.005200][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.020447][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.032130][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.043404][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.055768][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.099401][ T8579] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.118050][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.133672][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.170479][ T8574] device veth0_vlan entered promiscuous mode [ 70.189726][ T8572] device veth0_vlan entered promiscuous mode [ 70.201762][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.217089][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.226560][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.243197][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.274009][ T8574] device veth1_vlan entered promiscuous mode [ 70.292894][ T8572] device veth1_vlan entered promiscuous mode [ 70.316196][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.331752][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.344941][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.357065][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.368394][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.376147][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.389935][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.403298][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.420782][ T8579] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.441980][ T8582] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.503882][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.526604][ T2901] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 174.947346][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.954232][ C0] rcu: 0-...!: (10499 ticks this GP) idle=1f2/1/0x4000000000000002 softirq=14646/14646 fqs=25 [ 174.964827][ C0] (t=10500 jiffies g=6809 q=874) [ 174.969846][ C0] rcu: rcu_preempt kthread starved for 10443 jiffies! g6809 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 174.980938][ C0] rcu: RCU grace-period kthread stack dump: [ 174.986817][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 174.994704][ C0] Call Trace: [ 174.997995][ C0] __schedule+0x9a0/0xcc0 [ 175.002343][ C0] schedule+0x181/0x210 [ 175.006496][ C0] schedule_timeout+0x14f/0x240 [ 175.011498][ C0] ? run_local_timers+0x120/0x120 [ 175.016542][ C0] rcu_gp_kthread+0xed8/0x1770 [ 175.021597][ C0] kthread+0x332/0x350 [ 175.025678][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 175.030816][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.035408][ C0] ret_from_fork+0x24/0x30 [ 175.039832][ C0] NMI backtrace for cpu 0 [ 175.044161][ C0] CPU: 0 PID: 8577 Comm: syz-executor.3 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.052750][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.062794][ C0] Call Trace: [ 175.066069][ C0] [ 175.068917][ C0] dump_stack+0x1fb/0x318 [ 175.073240][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.078088][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.084233][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.090292][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.096271][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.102152][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.107272][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.112466][ C0] ? trace_hardirqs_off+0x74/0x80 [ 175.117488][ C0] update_process_times+0x12d/0x180 [ 175.122724][ C0] tick_sched_timer+0x263/0x420 [ 175.127566][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.133115][ C0] __hrtimer_run_queues+0x403/0x840 [ 175.138443][ C0] hrtimer_interrupt+0x38c/0xda0 [ 175.143406][ C0] ? debug_smp_processor_id+0x9/0x20 [ 175.148683][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 175.154313][ C0] apic_timer_interrupt+0xf/0x20 [ 175.159237][ C0] [ 175.162167][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 175.168321][ C0] Code: 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 <83> fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 [ 175.187917][ C0] RSP: 0018:ffffc900020f74f0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.197619][ C0] RAX: ffffffff814896c6 RBX: ffffea00026bd3c0 RCX: ffff8880a7a144c0 [ 175.205725][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00026bd3c0 [ 175.213700][ C0] RBP: ffffc900020f7518 R08: 000000000003a728 R09: ffffed10151adad1 [ 175.221791][ C0] R10: ffffed10151adad1 R11: 0000000000000000 R12: ffff8880a846c220 [ 175.229869][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a8d6d678 [ 175.237856][ C0] ? mod_memcg_page_state+0x16/0x190 [ 175.243141][ C0] ? mod_memcg_page_state+0x16/0x190 [ 175.248427][ C0] free_thread_stack+0x168/0x590 [ 175.253359][ C0] put_task_stack+0xa3/0x130 [ 175.257943][ C0] finish_task_switch+0x3f1/0x550 [ 175.262962][ C0] __schedule+0x9a8/0xcc0 [ 175.267290][ C0] ? ___preempt_schedule+0x16/0x18 [ 175.272393][ C0] preempt_schedule+0xdb/0x120 [ 175.277152][ C0] ___preempt_schedule+0x16/0x18 [ 175.282086][ C0] try_to_wake_up+0xe78/0x1050 [ 175.286933][ C0] ? do_raw_spin_unlock+0x142/0x950 [ 175.292126][ C0] wake_up_q+0x8c/0xe0 [ 175.296189][ C0] __mutex_unlock_slowpath+0x586/0x5b0 [ 175.301643][ C0] mutex_unlock+0xd/0x10 [ 175.305877][ C0] __rtnl_unlock+0x2c/0xa0 [ 175.310283][ C0] netdev_run_todo+0xe5/0xe10 [ 175.314967][ C0] rtnetlink_rcv_msg+0x890/0xd40 [ 175.319911][ C0] ? rcu_lock_release+0x9/0x30 [ 175.324667][ C0] ? rcu_lock_release+0x9/0x30 [ 175.329429][ C0] ? rcu_lock_release+0x9/0x30 [ 175.334217][ C0] netlink_rcv_skb+0x19e/0x3d0 [ 175.339084][ C0] ? rtnetlink_bind+0x80/0x80 [ 175.343803][ C0] rtnetlink_rcv+0x1c/0x20 [ 175.348328][ C0] netlink_unicast+0x767/0x920 [ 175.353170][ C0] netlink_sendmsg+0xa31/0xd50 [ 175.357946][ C0] ? netlink_getsockopt+0x9f0/0x9f0 [ 175.363149][ C0] __sys_sendto+0x442/0x5e0 [ 175.367658][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 175.373717][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 175.379432][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 175.384895][ C0] __x64_sys_sendto+0xe5/0x100 [ 175.389659][ C0] do_syscall_64+0xf7/0x1c0 [ 175.394156][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.400035][ C0] RIP: 0033:0x414c43 [ 175.404019][ C0] 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 2d 38 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 [ 175.423612][ C0] RSP: 002b:00007fffa1f1b618 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 175.432011][ C0] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414c43 [ 175.439982][ C0] RDX: 000000000000002c RSI: 0000000000a72250 RDI: 0000000000000003 [ 175.447944][ C0] RBP: 0000000000000000 R08: 00007fffa1f1b620 R09: 000000000000000c [ 175.455903][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 175.463874][ C0] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003