[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 58.437493][ T28] audit: type=1800 audit(1578450111.235:25): pid=8516 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 58.462842][ T28] audit: type=1800 audit(1578450111.235:26): pid=8516 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 58.506269][ T28] audit: type=1800 audit(1578450111.235:27): pid=8516 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 '10.128.1.37' (ECDSA) to the list of known hosts. 2020/01/08 02:21:59 fuzzer started 2020/01/08 02:22:01 dialing manager at 10.128.0.26:35703 2020/01/08 02:22:01 syscalls: 2824 2020/01/08 02:22:01 code coverage: enabled 2020/01/08 02:22:01 comparison tracing: enabled 2020/01/08 02:22:01 extra coverage: enabled 2020/01/08 02:22:01 setuid sandbox: enabled 2020/01/08 02:22:01 namespace sandbox: enabled 2020/01/08 02:22:01 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:22:01 fault injection: enabled 2020/01/08 02:22:01 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:22:01 net packet injection: enabled 2020/01/08 02:22:01 net device setup: enabled 2020/01/08 02:22:01 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:22:01 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:22:02 executing program 0: r0 = memfd_create(&(0x7f0000000140)='lotrusted\x1a\x00', 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000003c0)='/dev/snd/seq\x00', 0x0, 0x1) r2 = dup2(r1, r0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r2, 0xc08c5332, &(0x7f0000000280)={0x0, 0x0, 0x0, 'queue0\x00'}) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_INFO(0xffffffffffffffff, 0xc08c5334, &(0x7f00000001c0)={0xf48b, 0x0, 0x0, 'queue0\x00'}) write$sndseq(r0, &(0x7f0000000000)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @connect}], 0xffffff76) 02:22:02 executing program 1: r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f00000001c0)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x56) listen(r0, 0x0) r1 = accept(r0, 0x0, 0x0) r2 = socket$unix(0x1, 0x1, 0x0) connect$unix(r2, &(0x7f0000000040)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) setsockopt$sock_int(r2, 0x1, 0x10, &(0x7f00000000c0)=0x7, 0x4) recvmsg(r2, &(0x7f0000000700)={0x0, 0x0, 0x0}, 0x0) write(r1, &(0x7f0000000000)='\a', 0x1) syzkaller login: [ 69.534313][ T8682] IPVS: ftp: loaded support on port[0] = 21 [ 69.696248][ T8682] chnl_net:caif_netlink_parms(): no params data found [ 69.744647][ T8682] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.752712][ T8682] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.773083][ T8682] device bridge_slave_0 entered promiscuous mode 02:22:02 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0x10, 0x3, 0x0) sendmsg$kcm(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000000c0)="23000000420081aee405e9a4000000000000c6ff07d800400300"/35, 0x23}], 0x1}, 0x0) recvmsg$kcm(r0, &(0x7f0000001740)={0x0, 0x0, &(0x7f0000000140)=[{&(0x7f0000000180)=""/101, 0x65}, {&(0x7f0000000280)=""/91, 0x5}, {&(0x7f0000000300)=""/4096, 0x1000}], 0x3}, 0x0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000019c0)='/dev/sequencer\x00', 0x1, 0x0) write$sndseq(r1, &(0x7f0000000040)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @quote}], 0xff33) [ 69.790337][ T8685] IPVS: ftp: loaded support on port[0] = 21 [ 69.798873][ T8682] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.823744][ T8682] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.833740][ T8682] device bridge_slave_1 entered promiscuous mode [ 69.917922][ T8682] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.957485][ T8682] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.988755][ T8687] IPVS: ftp: loaded support on port[0] = 21 [ 70.012040][ T8682] team0: Port device team_slave_0 added [ 70.044163][ T8682] team0: Port device team_slave_1 added 02:22:02 executing program 3: ioctl$sock_SIOCETHTOOL(0xffffffffffffffff, 0x8946, &(0x7f0000000000)={'veth1_to_bond\x00', &(0x7f0000000040)=ANY=[@ANYBLOB="1d"]}) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1) r0 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_MAX_BURST(r0, 0x84, 0x3, 0x0, &(0x7f0000000040)) [ 70.095683][ T8685] chnl_net:caif_netlink_parms(): no params data found [ 70.186266][ T8682] device hsr_slave_0 entered promiscuous mode [ 70.252824][ T8682] device hsr_slave_1 entered promiscuous mode [ 70.337387][ T8690] IPVS: ftp: loaded support on port[0] = 21 [ 70.361678][ T8685] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.373867][ T8685] bridge0: port 1(bridge_slave_0) entered disabled state 02:22:03 executing program 4: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x81, 0x7, 0x5, 0x1}, 0xcc) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000001c0)={r0, &(0x7f0000000000), &(0x7f0000000080)}, 0x20) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000200)={r0, &(0x7f0000000180)}, 0x10) [ 70.381853][ T8685] device bridge_slave_0 entered promiscuous mode [ 70.431759][ T8685] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.452613][ T8685] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.460770][ T8685] device bridge_slave_1 entered promiscuous mode [ 70.567822][ T8687] chnl_net:caif_netlink_parms(): no params data found [ 70.596620][ T8685] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.639988][ T8685] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.673663][ T8693] IPVS: ftp: loaded support on port[0] = 21 02:22:03 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_mount_image$ext4(&(0x7f0000000040)='ext2\x00', &(0x7f0000000080)='./bus\x00', 0x0, 0x1, &(0x7f0000000340)=[{&(0x7f0000000100)="25bca26f769e620a2734fa009de0612687ecb86a5c8802a9d8aea872943afd874e2f98b579a7086270146d0e0206e73ba8c63cd7dcc6760253ef", 0x3a, 0x400}], 0x0, &(0x7f0000000000)={[{@prjquota='prjquota'}]}) [ 70.738609][ T8685] team0: Port device team_slave_0 added [ 70.771950][ T8687] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.780334][ T8687] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.794238][ T8687] device bridge_slave_0 entered promiscuous mode [ 70.817010][ T8685] team0: Port device team_slave_1 added [ 70.829526][ T8687] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.837560][ T8687] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.845833][ T8687] device bridge_slave_1 entered promiscuous mode [ 70.878644][ T8682] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.959752][ T8687] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.005463][ T8685] device hsr_slave_0 entered promiscuous mode [ 71.042893][ T8685] device hsr_slave_1 entered promiscuous mode [ 71.082551][ T8685] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.090517][ T8685] Cannot create hsr debugfs directory [ 71.096580][ T8682] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.155832][ T8682] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.216506][ T8682] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.275906][ T8687] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.301925][ T8687] team0: Port device team_slave_0 added [ 71.310845][ T8690] chnl_net:caif_netlink_parms(): no params data found [ 71.323932][ T8687] team0: Port device team_slave_1 added [ 71.349663][ T8696] IPVS: ftp: loaded support on port[0] = 21 [ 71.397664][ T8690] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.405581][ T8690] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.413905][ T8690] device bridge_slave_0 entered promiscuous mode [ 71.484538][ T8687] device hsr_slave_0 entered promiscuous mode [ 71.522735][ T8687] device hsr_slave_1 entered promiscuous mode [ 71.572527][ T8687] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.580221][ T8687] Cannot create hsr debugfs directory [ 71.601032][ T8690] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.608932][ T8690] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.617987][ T8690] device bridge_slave_1 entered promiscuous mode [ 71.671539][ T8690] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.683510][ T8690] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.777719][ T8690] team0: Port device team_slave_0 added [ 71.803353][ T8693] chnl_net:caif_netlink_parms(): no params data found [ 71.813108][ T8685] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 71.845688][ T8690] team0: Port device team_slave_1 added [ 71.851480][ T8685] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 71.916035][ T8685] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 71.979876][ T8685] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 72.021559][ T8687] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 72.102229][ T8687] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 72.147493][ T8687] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 72.194131][ T8693] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.201331][ T8693] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.210141][ T8693] device bridge_slave_0 entered promiscuous mode [ 72.285662][ T8690] device hsr_slave_0 entered promiscuous mode [ 72.332792][ T8690] device hsr_slave_1 entered promiscuous mode [ 72.372513][ T8690] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.380702][ T8690] Cannot create hsr debugfs directory [ 72.407089][ T8687] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 72.484698][ T8693] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.492551][ T8693] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.500931][ T8693] device bridge_slave_1 entered promiscuous mode [ 72.565017][ T8696] chnl_net:caif_netlink_parms(): no params data found [ 72.585086][ T8693] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.597812][ T8693] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.656551][ T8693] team0: Port device team_slave_0 added [ 72.667836][ T8682] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.685203][ T8693] team0: Port device team_slave_1 added [ 72.743052][ T8690] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 72.768493][ T8690] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 72.827058][ T3107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.835762][ T3107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.914438][ T8693] device hsr_slave_0 entered promiscuous mode [ 72.952824][ T8693] device hsr_slave_1 entered promiscuous mode [ 73.012672][ T8693] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.020767][ T8693] Cannot create hsr debugfs directory [ 73.035617][ T8696] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.044161][ T8696] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.052064][ T8696] device bridge_slave_0 entered promiscuous mode [ 73.060177][ T8690] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 73.115285][ T8690] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 73.167510][ T8682] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.179458][ T8696] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.187339][ T8696] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.196250][ T8696] device bridge_slave_1 entered promiscuous mode [ 73.229189][ T8696] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.245809][ T8696] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.265254][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.275123][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.283949][ T3101] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.291227][ T3101] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.299656][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.310127][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.319044][ T3101] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.326566][ T3101] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.334214][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.351557][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.384186][ T3107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.411263][ T8687] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.430842][ T8696] team0: Port device team_slave_0 added [ 73.438557][ T8696] team0: Port device team_slave_1 added [ 73.449653][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.458988][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.468484][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.477369][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.487139][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.504919][ T8685] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.532449][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.540930][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.550714][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.559258][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.567598][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.575801][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.585674][ T8682] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.609153][ T8687] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.708897][ T8696] device hsr_slave_0 entered promiscuous mode [ 73.782939][ T8696] device hsr_slave_1 entered promiscuous mode [ 73.812652][ T8696] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.820328][ T8696] Cannot create hsr debugfs directory [ 73.850590][ T2792] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.859505][ T2792] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.868621][ T2792] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.875889][ T2792] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.886885][ T2792] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.895654][ T2792] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.904725][ T2792] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.911811][ T2792] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.923862][ T8693] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 73.955653][ T8693] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 74.018078][ T8693] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 74.068510][ T8693] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 74.127670][ T8685] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.135958][ T2792] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.145591][ T2792] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.153975][ T2792] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.161630][ T2792] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.169396][ T2792] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.177470][ T2792] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.214485][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.223950][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.240908][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.255715][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.265123][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.280953][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.289608][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.298855][ T3081] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.306146][ T3081] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.316122][ T8682] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.352128][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.361610][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.370250][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.379054][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.388372][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.397526][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.406199][ T3081] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.413452][ T3081] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.421176][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.466638][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.475366][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.484413][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.493384][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.502114][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.510846][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.520253][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.529111][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.568666][ T8687] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.579377][ T2792] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.589199][ T2792] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.598046][ T2792] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.606523][ T2792] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.615119][ T2792] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.623758][ T2792] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.646868][ T8690] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.659911][ T8682] device veth0_vlan entered promiscuous mode [ 74.675310][ T8685] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.691610][ T2805] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.702627][ T2805] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.711117][ T2805] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.720031][ T2805] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.734068][ T8682] device veth1_vlan entered promiscuous mode [ 74.771901][ T8687] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.787338][ T3107] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.796819][ T3107] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.806185][ T3107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.820140][ T3107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.828858][ T3107] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.836902][ T3107] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.858249][ T8690] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.874392][ T8693] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.892586][ T2792] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.900162][ T2792] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.908589][ T8696] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 74.947755][ T8696] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 179.972280][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 179.979196][ C0] rcu: 0-...!: (10499 ticks this GP) idle=8aa/1/0x4000000000000002 softirq=14916/14916 fqs=36 [ 179.989824][ C0] (t=10500 jiffies g=7641 q=142) [ 179.994859][ C0] rcu: rcu_preempt kthread starved for 10421 jiffies! g7641 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 180.006215][ C0] rcu: RCU grace-period kthread stack dump: [ 180.012362][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 180.020268][ C0] Call Trace: [ 180.023618][ C0] __schedule+0x9a0/0xcc0 [ 180.027956][ C0] schedule+0x181/0x210 [ 180.032145][ C0] schedule_timeout+0x14f/0x240 [ 180.037142][ C0] ? run_local_timers+0x120/0x120 [ 180.042281][ C0] rcu_gp_kthread+0xed8/0x1770 [ 180.047337][ C0] kthread+0x332/0x350 [ 180.051422][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 180.056558][ C0] ? kthread_blkcg+0xe0/0xe0 [ 180.061319][ C0] ret_from_fork+0x24/0x30 [ 180.065749][ C0] NMI backtrace for cpu 0 [ 180.070073][ C0] CPU: 0 PID: 8701 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 180.078644][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.088690][ C0] Call Trace: [ 180.091979][ C0] [ 180.094828][ C0] dump_stack+0x1fb/0x318 [ 180.099504][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 180.104349][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 180.110513][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 180.116576][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 180.122565][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 180.128444][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 180.133556][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 180.138748][ C0] ? trace_hardirqs_off+0x74/0x80 [ 180.143766][ C0] update_process_times+0x12d/0x180 [ 180.148956][ C0] tick_sched_timer+0x263/0x420 [ 180.153810][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 180.159359][ C0] __hrtimer_run_queues+0x403/0x840 [ 180.164582][ C0] hrtimer_interrupt+0x38c/0xda0 [ 180.169527][ C0] ? debug_smp_processor_id+0x9/0x20 [ 180.174810][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 180.180343][ C0] apic_timer_interrupt+0xf/0x20 [ 180.185363][ C0] [ 180.188294][ C0] RIP: 0010:__memcg_kmem_uncharge+0x12f/0x1a0 [ 180.194348][ C0] Code: 5f 7c 48 89 d8 48 c1 e8 03 42 8a 04 28 84 c0 75 3b f6 03 01 75 10 49 83 c7 10 4c 89 ff 48 8b 75 d0 e8 f5 90 00 00 48 83 c4 08 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 44 89 e1 80 e1 07 80 c1 03 38 c1 [ 180.213941][ C0] RSP: 0018:ffffc90002b27e08 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 180.222337][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 180.230297][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000247dfc0 [ 180.238269][ C0] RBP: ffffc90002b27e30 R08: 000000000003a728 R09: ffffed1011779729 [ 180.246251][ C0] R10: ffffed1011779729 R11: 0000000000000000 R12: ffffea000247dfc0 [ 180.254211][ C0] R13: 1ffffd400048fbff R14: ffffea000247dff8 R15: 0000000000000000 [ 180.262191][ C0] ? free_thread_stack+0x124/0x590 [ 180.267317][ C0] free_thread_stack+0x12e/0x590 [ 180.272246][ C0] put_task_stack+0xa3/0x130 [ 180.276824][ C0] finish_task_switch+0x3f1/0x550 [ 180.281843][ C0] schedule_tail+0x20/0x1a0 [ 180.286345][ C0] ret_from_fork+0x8/0x30 [ 180.312228][ C0] RIP: 0033:0x45d919 [ 180.316136][ C0] Code: ff 48 85 f6 0f 84 d7 8c fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c ae 8c fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 [ 180.335918][ C0] RSP: 002b:00007f76a8e53db0 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 180.344541][ C0] RAX: 0000000000000000 RBX: 00007f76a8e54700 RCX: 000000000045d919 [ 180.352800][ C0] RDX: 00007f76a8e549d0 RSI: 00007f76a8e53db0 RDI: 00000000003d0f00 [ 180.360761][ C0] RBP: 00007ffe95138380 R08: 00007f76a8e54700 R09: 00007f76a8e54700 [ 180.369055][ C0] R10: 00007f76a8e549d0 R11: 0000000000000202 R12: 0000000000000000 [ 180.377193][ C0] R13: 00007ffe9513821f R14: 00007f76a8e549c0 R15: 000000000075bf2c