[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.864828][ T27] audit: type=1800 audit(1578455911.162:25): pid=8336 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.893738][ T27] audit: type=1800 audit(1578455911.162:26): pid=8336 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.932099][ T27] audit: type=1800 audit(1578455911.162:27): pid=8336 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 '10.128.0.156' (ECDSA) to the list of known hosts. 2020/01/08 03:58:42 fuzzer started 2020/01/08 03:58:44 dialing manager at 10.128.0.26:35703 2020/01/08 03:58:44 syscalls: 2824 2020/01/08 03:58:44 code coverage: enabled 2020/01/08 03:58:44 comparison tracing: enabled 2020/01/08 03:58:44 extra coverage: enabled 2020/01/08 03:58:44 setuid sandbox: enabled 2020/01/08 03:58:44 namespace sandbox: enabled 2020/01/08 03:58:44 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:58:44 fault injection: enabled 2020/01/08 03:58:44 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:58:44 net packet injection: enabled 2020/01/08 03:58:44 net device setup: enabled 2020/01/08 03:58:44 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:58:44 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:58:45 executing program 0: r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000f6bfe8)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f000072f000)={{&(0x7f00000e2000/0xc00000)=nil, 0xc00000}, 0x1}) mlock(&(0x7f000016b000/0x3000)=nil, 0x3000) ioctl$UFFDIO_REGISTER(r0, 0x8010aa01, &(0x7f00000a0fe0)={{&(0x7f00005e3000/0x800000)=nil, 0x800000}}) 03:58:45 executing program 1: r0 = openat$vicodec0(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/video36\x00', 0x2, 0x0) r1 = syz_open_dev$video(&(0x7f0000000040)='/dev/video#\x00', 0x0, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r1, r0) ioctl$VIDIOC_CREATE_BUFS(r0, 0xc100565c, &(0x7f0000000200)={0x0, 0xd9f, 0x4, {0x1, @raw_data="7a96b6fbdf62bba845a52d283bb5a8dd7f85e61011ce5e9f9b04ddb9012500247fbf42196476f3d9503327a912bd364605e0446a5559377e7bf92ef30863951aaa53f7270160142e2eeaef347c1e02f86b9b6d4bb3c26f51d9fbf95a71bcd057022d48177863b1f3c453ffc3707cabc8eb6356a35480256ccf100f0699de633c9c7d1e7392d5322ba8cb887f11ce6b63f76445cc8d3cb45ecd3e2bbac22aea5bfc2abd157b05d12e9e772f0adcf0fa4b686c7272b6d4089d037562eeddd4c8d170f697a243b6f096"}}) 03:58:45 executing program 2: bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xa, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x6cb3210000000000, 0x0, 0x0, 0x0, 0x6d}, [@ldst={0x0, 0x0, 0x3}]}, &(0x7f0000003ff6)='GPL\x00', 0x5, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000000), 0x10}, 0x78) r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_genetlink_get_family_id$team(&(0x7f00000003c0)='team\x00') r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000380)=ANY=[@ANYBLOB="3c0000001000850600000000000000a642000000", @ANYRES32=r5, @ANYBLOB="fe000000000000001c0012000c000100626f6e64000000000c0002000800010004000000"], 0x3c}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000080)=@newlink={0x3c, 0x10, 0xffffff1f, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x14, 0x12, @bridge={{0xc, 0x1, 'bridge\x00'}, {0x4}}}, @IFLA_MASTER={0x8, 0xa, r5}]}, 0x3c}}, 0x0) r6 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) socket$netlink(0x10, 0x3, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) syzkaller login: [ 67.320571][ T8502] IPVS: ftp: loaded support on port[0] = 21 [ 67.331642][ T8504] IPVS: ftp: loaded support on port[0] = 21 [ 67.551782][ T8504] chnl_net:caif_netlink_parms(): no params data found [ 67.562275][ T8502] chnl_net:caif_netlink_parms(): no params data found [ 67.590033][ T8508] IPVS: ftp: loaded support on port[0] = 21 03:58:46 executing program 3: r0 = timerfd_create(0x8, 0x0) timerfd_settime(r0, 0x1, &(0x7f0000000080)={{}, {0x0, 0x989680}}, 0x0) timerfd_settime(r0, 0x0, &(0x7f0000007000)={{0x0, 0x1c9c380}, {0x0, 0x989680}}, 0x0) [ 67.659854][ T8502] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.684037][ T8502] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.691639][ T8502] device bridge_slave_0 entered promiscuous mode [ 67.716301][ T8504] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.723363][ T8504] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.733299][ T8504] device bridge_slave_0 entered promiscuous mode [ 67.741411][ T8502] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.751250][ T8502] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.759350][ T8502] device bridge_slave_1 entered promiscuous mode [ 67.771725][ T8504] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.779590][ T8504] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.789422][ T8504] device bridge_slave_1 entered promiscuous mode [ 67.838091][ T8504] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.859297][ T8502] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.872980][ T8504] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.889958][ T8502] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.946599][ T8504] team0: Port device team_slave_0 added [ 67.956308][ T8502] team0: Port device team_slave_0 added [ 67.967674][ T8510] IPVS: ftp: loaded support on port[0] = 21 [ 67.975024][ T8502] team0: Port device team_slave_1 added [ 67.981947][ T8504] team0: Port device team_slave_1 added [ 67.999598][ T8508] chnl_net:caif_netlink_parms(): no params data found 03:58:46 executing program 4: ioctl$PPPIOCGDEBUG(0xffffffffffffffff, 0x80047441, 0x0) getsockopt$EBT_SO_GET_INFO(0xffffffffffffffff, 0x0, 0x80, 0x0, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$EVIOCGBITSW(0xffffffffffffffff, 0x80404525, 0x0) openat$vsock(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vsock\x00', 0x200, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 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, 0x7}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_ADD_BUFS(0xffffffffffffffff, 0xc0206416, 0x0) timer_create(0x0, 0x0, 0x0) unshare(0x40000000) [ 68.117187][ T8504] device hsr_slave_0 entered promiscuous mode [ 68.174127][ T8504] device hsr_slave_1 entered promiscuous mode 03:58:46 executing program 5: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) fsetxattr$smack_xattr_label(r0, &(0x7f0000000040)='security.SMACK64EXEC\x00', &(0x7f0000000080)={'@'}, 0x2, 0x0) [ 68.287780][ T8502] device hsr_slave_0 entered promiscuous mode [ 68.354004][ T8502] device hsr_slave_1 entered promiscuous mode [ 68.413820][ T8502] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.421612][ T8502] Cannot create hsr debugfs directory [ 68.453192][ T8508] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.461622][ T8508] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.471942][ T8515] IPVS: ftp: loaded support on port[0] = 21 [ 68.472502][ T8508] device bridge_slave_0 entered promiscuous mode [ 68.492102][ T8513] IPVS: ftp: loaded support on port[0] = 21 [ 68.502319][ T8508] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.512952][ T8508] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.520725][ T8508] device bridge_slave_1 entered promiscuous mode [ 68.570394][ T8508] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.582840][ T8508] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.628635][ T8508] team0: Port device team_slave_0 added [ 68.668265][ T8510] chnl_net:caif_netlink_parms(): no params data found [ 68.691245][ T8508] team0: Port device team_slave_1 added [ 68.786790][ T8508] device hsr_slave_0 entered promiscuous mode [ 68.824074][ T8508] device hsr_slave_1 entered promiscuous mode [ 68.863867][ T8508] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.871568][ T8508] Cannot create hsr debugfs directory [ 68.916714][ T8510] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.924435][ T8510] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.932232][ T8510] device bridge_slave_0 entered promiscuous mode [ 68.941576][ T8510] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.948967][ T8510] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.956685][ T8510] device bridge_slave_1 entered promiscuous mode [ 68.978245][ T8502] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.047107][ T8504] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 69.108107][ T8504] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 69.170766][ T8504] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.228577][ T8504] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.300804][ T8502] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.371499][ T8510] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.389355][ T8510] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.402345][ T8502] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.449304][ T8502] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.553207][ T8515] chnl_net:caif_netlink_parms(): no params data found [ 69.564462][ T8510] team0: Port device team_slave_0 added [ 69.575718][ T8513] chnl_net:caif_netlink_parms(): no params data found [ 69.599166][ T8510] team0: Port device team_slave_1 added [ 69.658088][ T8513] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.665613][ T8513] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.673112][ T8513] device bridge_slave_0 entered promiscuous mode [ 69.681092][ T8513] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.688209][ T8513] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.696244][ T8513] device bridge_slave_1 entered promiscuous mode [ 69.720335][ T8515] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.729644][ T8515] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.739909][ T8515] device bridge_slave_0 entered promiscuous mode [ 69.770886][ T8515] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.778570][ T8515] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.787228][ T8515] device bridge_slave_1 entered promiscuous mode [ 69.812405][ T8513] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.845782][ T8510] device hsr_slave_0 entered promiscuous mode [ 69.914144][ T8510] device hsr_slave_1 entered promiscuous mode [ 69.953820][ T8510] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.961563][ T8510] Cannot create hsr debugfs directory [ 69.976333][ T8515] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.986853][ T8513] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.000988][ T8508] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 70.058595][ T8515] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.079557][ T8508] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 70.143474][ T8502] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.170105][ T8508] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 70.259527][ T8513] team0: Port device team_slave_0 added [ 70.265647][ T8508] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.287222][ T8515] team0: Port device team_slave_0 added [ 70.299450][ T8504] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.313028][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.321138][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.330772][ T8513] team0: Port device team_slave_1 added [ 70.408335][ T8513] device hsr_slave_0 entered promiscuous mode [ 70.464150][ T8513] device hsr_slave_1 entered promiscuous mode [ 70.533845][ T8513] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.541433][ T8513] Cannot create hsr debugfs directory [ 70.551018][ T8515] team0: Port device team_slave_1 added [ 70.559343][ T8502] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.584034][ T8504] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.656567][ T8515] device hsr_slave_0 entered promiscuous mode [ 70.694155][ T8515] device hsr_slave_1 entered promiscuous mode [ 70.733900][ T8515] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.741489][ T8515] Cannot create hsr debugfs directory [ 70.748484][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.756437][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.765061][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.773592][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.782063][ T2771] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.789258][ T2771] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.827905][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.836133][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.845103][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.853563][ T2772] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.860653][ T2772] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.868837][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.877495][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.885838][ T2772] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.892864][ T2772] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.900420][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.909140][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.917690][ T2772] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.924791][ T2772] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.933334][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.941665][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.975654][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.021725][ T8502] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.032373][ T8502] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.051039][ T8510] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 71.105903][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.117516][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.127396][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.135871][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.144434][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.153040][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.161375][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.170073][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.178486][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.186792][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.194605][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.236494][ T8510] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 71.269242][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.278329][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.286924][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.295348][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.304210][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.312829][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.331196][ T8510] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 71.398281][ T8510] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.459478][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.467033][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.506485][ T8504] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.517115][ T8504] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.529118][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.537893][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.546447][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.554992][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.564960][ T8502] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.585075][ T8513] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 71.626362][ T8513] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 71.665375][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.672959][ T8513] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 71.730156][ T8515] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.786879][ T8515] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 71.846668][ T8515] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 71.906931][ T8513] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 71.986994][ T8515] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 72.057127][ T8508] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.094382][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.102854][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.112894][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.121367][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.130072][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.138073][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.155105][ T8504] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.169171][ T8502] device veth0_vlan entered promiscuous mode [ 72.181476][ T8508] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.190499][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.199173][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.206844][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.215858][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.240608][ T8502] device veth1_vlan entered promiscuous mode [ 72.270723][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.279420][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.287963][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.296777][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.305445][ T2771] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.312565][ T2771] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.320320][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.329005][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.337467][ T2771] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.344559][ T2771] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.354262][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.374099][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.383415][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.392351][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.402654][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.454991][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.470631][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.480160][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.492856][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.501328][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.509664][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.518052][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.526877][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.535484][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.543127][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.551494][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.570365][ T8510] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.579340][ T8504] device veth0_vlan entered promiscuous mode [ 72.591858][ T8508] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.620421][ T8508] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.642491][ T8515] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.653122][ T8513] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.673917][ T8513] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.710836][ T8513] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.721364][ T8513] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.751703][ T8513] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 177.703698][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 177.710632][ C0] rcu: 0-...!: (1 GPs behind) idle=202/1/0x4000000000000002 softirq=13480/13488 fqs=35 [ 177.720644][ C0] (t=10500 jiffies g=6769 q=415) [ 177.725660][ C0] rcu: rcu_preempt kthread starved for 10429 jiffies! g6769 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 177.736738][ C0] rcu: RCU grace-period kthread stack dump: [ 177.742615][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 177.750501][ C0] Call Trace: [ 177.753789][ C0] __schedule+0x9a0/0xcc0 [ 177.758115][ C0] schedule+0x181/0x210 [ 177.762260][ C0] schedule_timeout+0x14f/0x240 [ 177.767097][ C0] ? run_local_timers+0x120/0x120 [ 177.772111][ C0] rcu_gp_kthread+0xed8/0x1770 [ 177.776870][ C0] kthread+0x332/0x350 [ 177.780926][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 177.786024][ C0] ? kthread_blkcg+0xe0/0xe0 [ 177.790600][ C0] ret_from_fork+0x24/0x30 [ 177.796232][ C0] NMI backtrace for cpu 0 [ 177.800550][ C0] CPU: 0 PID: 21 Comm: kworker/u4:1 Not tainted 5.5.0-rc5-syzkaller #0 [ 177.808765][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.818988][ C0] Workqueue: 0x0 (gid-cache-wq) [ 177.823913][ C0] Call Trace: [ 177.827180][ C0] [ 177.830019][ C0] dump_stack+0x1fb/0x318 [ 177.834343][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 177.843003][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 177.849265][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 177.855336][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 177.861323][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 177.867208][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 177.872315][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 177.877511][ C0] ? trace_hardirqs_off+0x74/0x80 [ 177.882532][ C0] update_process_times+0x12d/0x180 [ 177.887725][ C0] tick_sched_timer+0x263/0x420 [ 177.892564][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 177.898097][ C0] __hrtimer_run_queues+0x403/0x840 [ 177.903296][ C0] hrtimer_interrupt+0x38c/0xda0 [ 177.908239][ C0] ? debug_smp_processor_id+0x9/0x20 [ 177.913524][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 177.919056][ C0] apic_timer_interrupt+0xf/0x20 [ 177.923977][ C0] [ 177.926906][ C0] RIP: 0010:__memcg_kmem_uncharge+0x1/0x1a0 [ 177.932784][ C0] Code: eb 1b 83 3d 20 bf ac 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 00 [ 177.952373][ C0] RSP: 0018:ffffc90000dd7c20 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 177.960773][ C0] RAX: ffffffff81489244 RBX: ffffea0002503d80 RCX: ffff8880a9bec580 [ 177.968731][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002503d80 [ 177.976710][ C0] RBP: ffffc90000dd7c68 R08: 000000000003a728 R09: ffffed10139d9b19 [ 177.984667][ C0] R10: ffffed10139d9b19 R11: 0000000000000000 R12: ffff88808dd9b220 [ 177.992626][ C0] R13: dffffc0000000000 R14: 1ffff11011bb3644 R15: ffff88809cecd8b8 [ 178.000598][ C0] ? free_thread_stack+0x124/0x590 [ 178.005699][ C0] ? free_thread_stack+0x12e/0x590 [ 178.010803][ C0] put_task_stack+0xa3/0x130 [ 178.015384][ C0] finish_task_switch+0x3f1/0x550 [ 178.020406][ C0] __schedule+0x9a8/0xcc0 [ 178.024735][ C0] schedule+0x181/0x210 [ 178.028892][ C0] worker_thread+0x10d6/0x1630 [ 178.033666][ C0] kthread+0x332/0x350 [ 178.037720][ C0] ? rcu_lock_release+0x30/0x30 [ 178.042558][ C0] ? kthread_blkcg+0xe0/0xe0 [ 178.047134][ C0] ret_from_fork+0x24/0x30