[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.140605][ T27] audit: type=1800 audit(1578458368.141:25): pid=8283 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.167058][ T27] audit: type=1800 audit(1578458368.141:26): pid=8283 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.210540][ T27] audit: type=1800 audit(1578458368.141:27): pid=8283 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 '10.128.0.3' (ECDSA) to the list of known hosts. 2020/01/08 04:39:39 fuzzer started 2020/01/08 04:39:40 dialing manager at 10.128.0.26:35703 2020/01/08 04:39:40 syscalls: 2824 2020/01/08 04:39:40 code coverage: enabled 2020/01/08 04:39:40 comparison tracing: enabled 2020/01/08 04:39:40 extra coverage: enabled 2020/01/08 04:39:40 setuid sandbox: enabled 2020/01/08 04:39:40 namespace sandbox: enabled 2020/01/08 04:39:40 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 04:39:40 fault injection: enabled 2020/01/08 04:39:40 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 04:39:40 net packet injection: enabled 2020/01/08 04:39:40 net device setup: enabled 2020/01/08 04:39:40 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 04:39:40 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:39:41 executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) symlinkat(0x0, 0xffffffffffffffff, &(0x7f00000000c0)='./bus\x00') syz_read_part_table(0x0, 0x1bf, &(0x7f0000000080)=[{&(0x7f0000000000)="02010500000001000000ff07000000fffffffd000800000000000000004000ffffff8500000000000000887700720030b5829237c300000000000080000055aa", 0x40, 0x1c0}]) 04:39:41 executing program 1: mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000100)='ramfs\x00', 0x0, 0x0) chdir(&(0x7f0000000280)='./file0\x00') creat(&(0x7f0000000480)='./bus\x00', 0x0) r0 = open(&(0x7f0000000400)='./bus\x00', 0x0, 0x0) read(r0, 0x0, 0x0) syzkaller login: [ 65.927504][ T8452] IPVS: ftp: loaded support on port[0] = 21 04:39:42 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x1, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x5, 0x0, 0x0, 0x0, 0x71, 0x10, 0x3d}, [@ldst={0x6, 0x0, 0x2}]}, &(0x7f0000003ff6)='GPL\x00', 0x5, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0x1dd}, 0x48) [ 66.095141][ T8452] chnl_net:caif_netlink_parms(): no params data found [ 66.198524][ T8455] IPVS: ftp: loaded support on port[0] = 21 [ 66.214358][ T8452] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.239450][ T8452] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.259160][ T8452] device bridge_slave_0 entered promiscuous mode [ 66.306934][ T8452] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.329228][ T8452] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.337127][ T8452] device bridge_slave_1 entered promiscuous mode 04:39:42 executing program 3: r0 = socket$can_raw(0x1d, 0x3, 0x1) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000180)={'vcan0\x00', 0x0}) bind$can_raw(r0, &(0x7f00000002c0)={0x1d, r1}, 0x10) setsockopt(r0, 0x65, 0x10000000002, &(0x7f0000000200)="c8d63f23", 0x4) close(r0) [ 66.386952][ T8452] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.411967][ T8452] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.435108][ T8457] IPVS: ftp: loaded support on port[0] = 21 [ 66.463714][ T8452] team0: Port device team_slave_0 added [ 66.482252][ T8452] team0: Port device team_slave_1 added [ 66.581967][ T8452] device hsr_slave_0 entered promiscuous mode 04:39:42 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xa, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x5, 0x0, 0x0, 0x0, 0x71, 0x10, 0x59}, [@ldst={0x4}]}, &(0x7f0000003ff6)='GPL\x00', 0x5, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000080), 0xfffffffffffffffb}, 0x48) [ 66.631035][ T8452] device hsr_slave_1 entered promiscuous mode [ 66.758856][ T8459] IPVS: ftp: loaded support on port[0] = 21 [ 66.852817][ T8455] chnl_net:caif_netlink_parms(): no params data found 04:39:42 executing program 5: r0 = gettid() r1 = creat(&(0x7f0000000280)='./file0\x00', 0x1) write$binfmt_script(r1, &(0x7f0000000000)={'#! ', './file0', [{}]}, 0xc) vmsplice(0xffffffffffffffff, 0x0, 0x0, 0x0) prctl$PR_SET_PTRACER(0x59616d61, r0) syz_open_dev$sndpcmc(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 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) ioctl$sock_inet_tcp_SIOCOUTQNSD(0xffffffffffffffff, 0x894b, 0x0) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f00001cb000)={0x0, 0x0, 0x0}, 0x0) setsockopt$netlink_NETLINK_BROADCAST_ERROR(0xffffffffffffffff, 0x10e, 0x4, &(0x7f00000003c0)=0x6, 0x4) timer_create(0x2, &(0x7f00000004c0)={0x0, 0x23, 0x3, @thr={&(0x7f0000000a00)="39c38cfc9928ca3d6fc55f07ed6000840d55366c7486e0f0c21c517875d9c8e9643a6c757dd20e47c619c65befce6c0899c55df5520ae09dd107f695822f09ea18904c553ff19afd012097fb9b30e65fc31c415abb7be1c33d9c7ca69c9c4da7eb4f50bc0ecd", &(0x7f0000000ac0)="5d634b02b112185fa04eb4dc8e078434822b468d6c23f39a3df8bd8ebac3d6c5f70c853dc79ac597060695a5a594919c5a1e000afa9644ad156fdf7c1761c4163f688a49665ad820bf82c0c89615c31ef619294d5bc68ee29318dea26a6927cd717f7102ee14ac8f5713f530f3cdf7"}}, &(0x7f0000000500)) ioctl$sock_FIOSETOWN(0xffffffffffffffff, 0x8901, &(0x7f0000001980)) close(r1) clone(0x2000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000180)='./file0\x00', 0x0, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) [ 66.908728][ T8462] IPVS: ftp: loaded support on port[0] = 21 [ 67.022745][ T8455] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.034809][ T8455] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.043066][ T8455] device bridge_slave_0 entered promiscuous mode [ 67.053535][ T8455] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.060865][ T8455] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.068494][ T8455] device bridge_slave_1 entered promiscuous mode [ 67.098625][ T8457] chnl_net:caif_netlink_parms(): no params data found [ 67.108116][ T8465] IPVS: ftp: loaded support on port[0] = 21 [ 67.159392][ T8452] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.213047][ T8455] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.238539][ T8452] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.292533][ T8455] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.325526][ T8452] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.373470][ T8452] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.418059][ T8455] team0: Port device team_slave_0 added [ 67.442373][ T8459] chnl_net:caif_netlink_parms(): no params data found [ 67.454874][ T8457] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.462617][ T8457] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.471791][ T8457] device bridge_slave_0 entered promiscuous mode [ 67.480931][ T8457] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.487984][ T8457] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.495959][ T8457] device bridge_slave_1 entered promiscuous mode [ 67.504198][ T8455] team0: Port device team_slave_1 added [ 67.546818][ T8462] chnl_net:caif_netlink_parms(): no params data found [ 67.621923][ T8455] device hsr_slave_0 entered promiscuous mode [ 67.659526][ T8455] device hsr_slave_1 entered promiscuous mode [ 67.699272][ T8455] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.707029][ T8455] Cannot create hsr debugfs directory [ 67.748661][ T8457] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.793520][ T8457] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.805495][ T8459] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.812715][ T8459] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.820664][ T8459] device bridge_slave_0 entered promiscuous mode [ 67.829414][ T8459] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.836475][ T8459] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.844710][ T8459] device bridge_slave_1 entered promiscuous mode [ 67.875999][ T8462] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.883985][ T8462] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.891750][ T8462] device bridge_slave_0 entered promiscuous mode [ 67.908808][ T8457] team0: Port device team_slave_0 added [ 67.916503][ T8457] team0: Port device team_slave_1 added [ 67.927069][ T8459] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.936964][ T8462] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.944571][ T8462] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.952552][ T8462] device bridge_slave_1 entered promiscuous mode [ 67.982970][ T8459] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.029972][ T8459] team0: Port device team_slave_0 added [ 68.083218][ T8457] device hsr_slave_0 entered promiscuous mode [ 68.149420][ T8457] device hsr_slave_1 entered promiscuous mode [ 68.189336][ T8457] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.197055][ T8457] Cannot create hsr debugfs directory [ 68.230648][ T8459] team0: Port device team_slave_1 added [ 68.236417][ T8455] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.309660][ T8462] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.326803][ T8462] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.338693][ T8465] chnl_net:caif_netlink_parms(): no params data found [ 68.348873][ T8455] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.392024][ T8455] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.444629][ T8455] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.591805][ T8459] device hsr_slave_0 entered promiscuous mode [ 68.629556][ T8459] device hsr_slave_1 entered promiscuous mode [ 68.669281][ T8459] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.676918][ T8459] Cannot create hsr debugfs directory [ 68.695659][ T8462] team0: Port device team_slave_0 added [ 68.703878][ T8462] team0: Port device team_slave_1 added [ 68.770854][ T8465] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.778012][ T8465] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.785895][ T8465] device bridge_slave_0 entered promiscuous mode [ 68.798688][ T8465] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.806701][ T8465] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.816245][ T8465] device bridge_slave_1 entered promiscuous mode [ 68.852291][ T8462] device hsr_slave_0 entered promiscuous mode [ 68.900113][ T8462] device hsr_slave_1 entered promiscuous mode [ 68.969251][ T8462] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.976890][ T8462] Cannot create hsr debugfs directory [ 68.988125][ T8452] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.030662][ T8465] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.072790][ T8465] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.125794][ T2787] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.134020][ T2787] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.142301][ T8457] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.185345][ T8457] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.231873][ T8457] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.263084][ T8457] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.336148][ T8465] team0: Port device team_slave_0 added [ 69.349417][ T8452] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.356265][ T8459] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.393933][ T8459] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.441634][ T8459] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.494800][ T8459] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.552473][ T8465] team0: Port device team_slave_1 added [ 69.568444][ T8455] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.582397][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.594141][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.602731][ T2780] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.609960][ T2780] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.618155][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.626976][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.635379][ T2780] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.642471][ T2780] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.650327][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.692944][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.702075][ T2780] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.771695][ T8465] device hsr_slave_0 entered promiscuous mode [ 69.839649][ T8465] device hsr_slave_1 entered promiscuous mode [ 69.879277][ T8465] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.886931][ T8465] Cannot create hsr debugfs directory [ 69.902302][ T8462] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.951092][ T8462] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.002188][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.013024][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.021888][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.031355][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.040122][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.048266][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.057257][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.070045][ T8455] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.083371][ T8452] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.096287][ T8452] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.104657][ T8462] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.151983][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.159916][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.167536][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.176000][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.221746][ T8462] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.277226][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.285963][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.294695][ T2794] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.301810][ T2794] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.309551][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.318083][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.326669][ T2794] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.333763][ T2794] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.341938][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.351056][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.393046][ T2971] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.404285][ T2971] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.412758][ T2971] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.426874][ T8457] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.441287][ T8452] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.481590][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.491431][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.500919][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.509504][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.518495][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.534553][ T8457] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.557253][ T8465] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.602303][ T8465] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.661949][ T8465] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.701472][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.709175][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.716715][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.725463][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.740245][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.748733][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.757715][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.766839][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.775613][ T2794] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.782776][ T2794] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.798561][ T8465] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.854373][ T8455] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.874384][ T8455] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.882887][ T2787] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.890894][ T2787] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.899661][ T2787] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.907853][ T2787] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.916930][ T2787] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.925693][ T2787] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.932802][ T2787] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.943950][ T8459] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.958241][ T8452] device veth0_vlan entered promiscuous mode [ 70.993370][ T8455] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.006334][ T2971] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.014902][ T2971] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.024123][ T2971] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.032591][ T2971] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.040031][ T2971] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.047447][ T2971] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.055263][ T2971] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.065857][ T8452] device veth1_vlan entered promiscuous mode [ 71.085963][ T8462] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.095704][ T2971] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.103986][ T2971] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.112659][ T2971] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.121218][ T2971] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.163885][ T8459] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.174162][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.184378][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.193583][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.202495][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.212384][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.220830][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.229029][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.237501][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.246248][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.255143][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.273395][ T8457] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.285334][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.303715][ T8462] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.313319][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.324696][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.335118][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.343800][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.356881][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.366605][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.381702][ T2794] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.388793][ T2794] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.456321][ T8459] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.476796][ T8459] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.520971][ T8459] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.580582][ T8459] device veth0_vlan entered promiscuous mode [ 71.600813][ T8459] device veth1_vlan entered promiscuous mode [ 176.359049][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.365921][ C1] rcu: 1-...!: (10499 ticks this GP) idle=28a/1/0x4000000000000002 softirq=13728/13728 fqs=41 [ 176.376595][ C1] (t=10501 jiffies g=6717 q=549) [ 176.381626][ C1] rcu: rcu_preempt kthread starved for 10419 jiffies! g6717 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 176.393141][ C1] rcu: RCU grace-period kthread stack dump: [ 176.399018][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 176.406908][ C1] Call Trace: [ 176.410201][ C1] __schedule+0x9a0/0xcc0 [ 176.414533][ C1] schedule+0x181/0x210 [ 176.418687][ C1] schedule_timeout+0x14f/0x240 [ 176.423534][ C1] ? run_local_timers+0x120/0x120 [ 176.428557][ C1] rcu_gp_kthread+0xed8/0x1770 [ 176.433327][ C1] kthread+0x332/0x350 [ 176.437383][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 176.442490][ C1] ? kthread_blkcg+0xe0/0xe0 [ 176.447074][ C1] ret_from_fork+0x24/0x30 [ 176.451494][ C1] NMI backtrace for cpu 1 [ 176.455816][ C1] CPU: 1 PID: 4278 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 176.463773][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.473817][ C1] Call Trace: [ 176.477090][ C1] [ 176.479934][ C1] dump_stack+0x1fb/0x318 [ 176.484257][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.489191][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 176.495355][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 176.501412][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 176.507387][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 176.513269][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 176.518383][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 176.523584][ C1] ? trace_hardirqs_off+0x74/0x80 [ 176.528610][ C1] update_process_times+0x12d/0x180 [ 176.533804][ C1] tick_sched_timer+0x263/0x420 [ 176.538648][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.544187][ C1] __hrtimer_run_queues+0x403/0x840 [ 176.549391][ C1] hrtimer_interrupt+0x38c/0xda0 [ 176.554336][ C1] ? debug_smp_processor_id+0x9/0x20 [ 176.559615][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 176.565149][ C1] apic_timer_interrupt+0xf/0x20 [ 176.570248][ C1] [ 176.573183][ C1] RIP: 0010:mod_memcg_page_state+0x30/0x190 [ 176.579064][ C1] Code: 41 56 41 54 53 41 89 f6 48 89 fb e8 ba 27 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 80 3c 20 00 <74> 08 48 89 df e8 e6 8f 6a 00 48 8b 1b 48 85 db 0f 84 d8 00 00 00 [ 176.598673][ C1] RSP: 0018:ffffc900015e7ae0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 176.607081][ C1] RAX: 1ffffd4000536967 RBX: ffffea00029b4b38 RCX: ffff888092d523c0 [ 176.615049][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00029b4b00 [ 176.623017][ C1] RBP: ffffc900015e7b00 R08: 000000000003a728 R09: ffffed10110a8289 [ 176.630983][ C1] R10: ffffed10110a8289 R11: 0000000000000000 R12: dffffc0000000000 [ 176.638946][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888088541438 [ 176.646932][ C1] free_thread_stack+0x168/0x590 [ 176.651870][ C1] put_task_stack+0xa3/0x130 [ 176.656448][ C1] finish_task_switch+0x3f1/0x550 [ 176.661552][ C1] __schedule+0x9a8/0xcc0 [ 176.665885][ C1] schedule+0x181/0x210 [ 176.670029][ C1] schedule_hrtimeout_range_clock+0x108/0x510 [ 176.676091][ C1] ? _raw_spin_unlock_irq+0x22/0x80 [ 176.681281][ C1] schedule_hrtimeout_range+0x2a/0x40 [ 176.686642][ C1] ep_poll+0xa4d/0xe80 [ 176.690714][ C1] ? debug_smp_processor_id+0x1c/0x20 [ 176.696076][ C1] ? do_task_dead+0xc0/0xc0 [ 176.700580][ C1] do_epoll_wait+0x1ee/0x260 [ 176.705163][ C1] __x64_sys_epoll_wait+0x9a/0xb0 [ 176.710182][ C1] do_syscall_64+0xf7/0x1c0 [ 176.714703][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.720766][ C1] RIP: 0033:0x7f4a698e3943 [ 176.725175][ C1] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 176.744789][ C1] RSP: 002b:00007fff257c09a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 176.753393][ C1] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f4a698e3943 [ 176.761360][ C1] RDX: 0000000000000008 RSI: 00007fff257c0aa0 RDI: 000000000000000a [ 176.769323][ C1] RBP: 0000000000000000 R08: 00000000019b90d0 R09: 00007f4a6992d1d0 [ 176.777372][ C1] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000003 [ 176.785358][ C1] R13: 0000000000000010 R14: 00000000019b9c50 R15: 00000000019b9250