[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 47.966690][ T26] audit: type=1800 audit(1578459353.423:25): pid=8383 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.985725][ T26] audit: type=1800 audit(1578459353.423:26): pid=8383 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.020935][ T26] audit: type=1800 audit(1578459353.433:27): pid=8383 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 '10.128.0.87' (ECDSA) to the list of known hosts. 2020/01/08 04:56:04 fuzzer started 2020/01/08 04:56:06 dialing manager at 10.128.0.26:35703 2020/01/08 04:56:06 syscalls: 2824 2020/01/08 04:56:06 code coverage: enabled 2020/01/08 04:56:06 comparison tracing: enabled 2020/01/08 04:56:06 extra coverage: enabled 2020/01/08 04:56:06 setuid sandbox: enabled 2020/01/08 04:56:06 namespace sandbox: enabled 2020/01/08 04:56:06 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 04:56:06 fault injection: enabled 2020/01/08 04:56:06 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 04:56:06 net packet injection: enabled 2020/01/08 04:56:06 net device setup: enabled 2020/01/08 04:56:06 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 04:56:06 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:56:07 executing program 0: fsopen(&(0x7f0000000140)='sysfs\x00', 0x0) 04:56:07 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r0, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = socket$inet_udp(0x2, 0x2, 0x0) close(r5) socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000d65000)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000140)={0x14, 0x4, 0x6, 0x9}, 0x14}}, 0x0) write$binfmt_misc(r4, &(0x7f0000000140)=ANY=[], 0xffd7) splice(r3, 0x0, r5, 0x0, 0x80000000, 0x0) syzkaller login: [ 62.019508][ T8547] IPVS: ftp: loaded support on port[0] = 21 [ 62.150086][ T8547] chnl_net:caif_netlink_parms(): no params data found [ 62.197132][ T8547] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.205310][ T8547] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.213490][ T8547] device bridge_slave_0 entered promiscuous mode [ 62.222701][ T8547] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.229882][ T8547] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.238199][ T8547] device bridge_slave_1 entered promiscuous mode [ 62.260321][ T8547] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.274055][ T8547] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.297209][ T8547] team0: Port device team_slave_0 added 04:56:07 executing program 2: perf_event_open(&(0x7f0000000000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket(0x40000000015, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @loopback}, 0x10) bind$inet(r0, &(0x7f0000000340)={0x2, 0x0, @loopback}, 0x10) sendmsg$xdp(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000380)="fe", 0x1a000}], 0x1}, 0x0) [ 62.305372][ T8547] team0: Port device team_slave_1 added [ 62.316051][ T8550] IPVS: ftp: loaded support on port[0] = 21 [ 62.393171][ T8547] device hsr_slave_0 entered promiscuous mode [ 62.461077][ T8547] device hsr_slave_1 entered promiscuous mode 04:56:08 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x4}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$audio(0xffffffffffffff9c, &(0x7f0000000140)='/dev/audio\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000080)={0x2, 0x1b, 0x3e8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 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={0xc0, 0x6}}, 0x0, 0x400000000000000, 0xffffffffffffffff, 0x0) pipe(&(0x7f0000000000)) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000733000)={0x5, 0x5, 0x7, 0x9}, 0x2c) bpf$MAP_CREATE(0x0, &(0x7f00004f9fe4)={0xc, 0x4, 0x4, 0x1, 0x0, r0}, 0x2c) r1 = accept4$packet(0xffffffffffffffff, 0x0, &(0x7f00000000c0), 0x800) setsockopt$packet_fanout_data(r1, 0x107, 0x16, 0x0, 0x0) madvise(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0xe) mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x0, &(0x7f0000130000/0x800000)=nil) write$FUSE_BMAP(0xffffffffffffffff, &(0x7f00000002c0)={0x18, 0x0, 0x4, {0x8}}, 0x18) r2 = syz_open_procfs(0x0, &(0x7f00000016c0)='smaps_rollup\x00') clone(0x0, 0x0, 0x0, 0x0, 0x0) readv(r2, &(0x7f0000001700)=[{&(0x7f0000001500)=""/179, 0xb3}], 0x1) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f00000015c0)='/dev/ubi_ctrl\x00', 0x480000, 0x0) [ 62.537376][ T8552] IPVS: ftp: loaded support on port[0] = 21 [ 62.784801][ T8550] chnl_net:caif_netlink_parms(): no params data found 04:56:08 executing program 4: add_key(&(0x7f0000000080)='rxrpc\x00', 0x0, 0x0, 0x0, 0xffffffffffffffff) [ 62.825380][ T8547] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.873864][ T8547] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.934766][ T8547] netdevsim netdevsim0 netdevsim2: renamed from eth2 04:56:08 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f00000bd000), 0x80, 0x0) recvmmsg(r0, &(0x7f000030efc4), 0xdb, 0x10070, 0x0) [ 62.983146][ T8547] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.055489][ T8552] chnl_net:caif_netlink_parms(): no params data found [ 63.076589][ T8556] IPVS: ftp: loaded support on port[0] = 21 [ 63.099040][ T8558] IPVS: ftp: loaded support on port[0] = 21 [ 63.156061][ T8550] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.163304][ T8550] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.171220][ T8550] device bridge_slave_0 entered promiscuous mode [ 63.180821][ T8550] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.187884][ T8550] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.195508][ T8550] device bridge_slave_1 entered promiscuous mode [ 63.204015][ T8547] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.211212][ T8547] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.218868][ T8547] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.225975][ T8547] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.249739][ T8552] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.257762][ T8552] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.266662][ T8552] device bridge_slave_0 entered promiscuous mode [ 63.276509][ T3915] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.285826][ T3915] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.307379][ T8550] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.319513][ T8552] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.327415][ T8552] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.331974][ T8560] IPVS: ftp: loaded support on port[0] = 21 [ 63.342179][ T8552] device bridge_slave_1 entered promiscuous mode [ 63.356800][ T8550] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.406373][ T8550] team0: Port device team_slave_0 added [ 63.415509][ T8550] team0: Port device team_slave_1 added [ 63.434608][ T8552] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.502660][ T8550] device hsr_slave_0 entered promiscuous mode [ 63.541047][ T8550] device hsr_slave_1 entered promiscuous mode [ 63.580810][ T8550] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.588631][ T8550] Cannot create hsr debugfs directory [ 63.595604][ T8552] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.629862][ T8552] team0: Port device team_slave_0 added [ 63.639076][ T8552] team0: Port device team_slave_1 added [ 63.724089][ T8558] chnl_net:caif_netlink_parms(): no params data found [ 63.759496][ T8556] chnl_net:caif_netlink_parms(): no params data found [ 63.833253][ T8552] device hsr_slave_0 entered promiscuous mode [ 63.871001][ T8552] device hsr_slave_1 entered promiscuous mode [ 63.920894][ T8552] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.928468][ T8552] Cannot create hsr debugfs directory [ 63.985575][ T8547] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.050021][ T8556] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.058872][ T8556] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.066589][ T8556] device bridge_slave_0 entered promiscuous mode [ 64.076210][ T8556] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.083395][ T8556] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.091541][ T8556] device bridge_slave_1 entered promiscuous mode [ 64.098401][ T8550] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.155765][ T8550] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.224413][ T8550] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.286566][ T8550] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.356386][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.364722][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.374704][ T8547] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.385888][ T8558] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.393083][ T8558] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.401544][ T8558] device bridge_slave_0 entered promiscuous mode [ 64.408677][ T8560] chnl_net:caif_netlink_parms(): no params data found [ 64.429356][ T8556] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.443604][ T8558] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.451656][ T8558] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.459361][ T8558] device bridge_slave_1 entered promiscuous mode [ 64.478445][ T8556] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.490109][ T3915] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.501913][ T3915] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.510341][ T3915] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.517428][ T3915] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.539233][ T8558] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.569039][ T8556] team0: Port device team_slave_0 added [ 64.576854][ T8558] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.593028][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.601976][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.610213][ T2679] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.617316][ T2679] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.625067][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.633941][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.663843][ T8556] team0: Port device team_slave_1 added [ 64.692551][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.701812][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.716041][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.730270][ T8558] team0: Port device team_slave_0 added [ 64.736584][ T8560] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.744018][ T8560] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.767817][ T8560] device bridge_slave_0 entered promiscuous mode [ 64.789114][ T8547] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.804408][ T8547] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.817511][ T8558] team0: Port device team_slave_1 added [ 64.832483][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.844312][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.852725][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.861832][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.870352][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.878742][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.893240][ T8560] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.900298][ T8560] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.909973][ T8560] device bridge_slave_1 entered promiscuous mode [ 64.923989][ T8552] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.974077][ T8552] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.027703][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.045189][ T8552] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.093020][ T8552] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.193397][ T8558] device hsr_slave_0 entered promiscuous mode [ 65.251451][ T8558] device hsr_slave_1 entered promiscuous mode [ 65.290787][ T8558] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.298403][ T8558] Cannot create hsr debugfs directory [ 65.363890][ T8556] device hsr_slave_0 entered promiscuous mode [ 65.410894][ T8556] device hsr_slave_1 entered promiscuous mode [ 65.450805][ T8556] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.458381][ T8556] Cannot create hsr debugfs directory [ 65.465716][ T8560] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.483183][ T8560] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.512458][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.519908][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.555136][ T8550] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.568240][ T8547] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.594342][ T8560] team0: Port device team_slave_0 added [ 65.625961][ T8560] team0: Port device team_slave_1 added [ 65.636373][ T8550] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.666735][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.674327][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.719834][ T3915] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.728507][ T3915] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.737218][ T3915] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.744316][ T3915] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.751921][ T3915] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.761212][ T3915] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.769489][ T3915] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.776639][ T3915] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.833324][ T8560] device hsr_slave_0 entered promiscuous mode [ 65.870950][ T8560] device hsr_slave_1 entered promiscuous mode [ 65.910675][ T8560] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.918399][ T8560] Cannot create hsr debugfs directory [ 65.946320][ T8558] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 66.008096][ T8558] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 66.065224][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.073406][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.082474][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.091079][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.099438][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.131104][ T8558] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 66.179028][ T8558] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 66.274287][ T8556] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.320680][ T3923] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.329577][ T3923] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.338754][ T3923] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.347238][ T3923] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.355976][ T3923] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.364281][ T3923] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.372523][ T3923] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.380170][ T8560] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 66.424173][ T8560] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 66.484189][ T8560] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 66.529225][ T8552] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.538073][ T8556] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 66.583747][ T8556] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 66.635494][ T8556] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 66.672878][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.681236][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.689712][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.698633][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.706976][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.715176][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.725235][ T8547] device veth0_vlan entered promiscuous mode [ 66.732342][ T8560] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 66.792310][ T8552] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.801556][ T8550] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.816439][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.825070][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.849816][ T8547] device veth1_vlan entered promiscuous mode [ 66.867196][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.875893][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.884884][ T2679] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.892114][ T2679] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.900166][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.933271][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.944666][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.953332][ T2853] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.960635][ T2853] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.969376][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.978492][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.021243][ T3915] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.030107][ T3915] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.047206][ T3915] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.056899][ T3915] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.066100][ T3915] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.074616][ T3915] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.083471][ T3915] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.092171][ T3915] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.099872][ T3915] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.111204][ T8552] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.123229][ T8552] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.138342][ T8550] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.150897][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.161327][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.196367][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.211268][ T2853] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.227671][ T8558] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.298056][ T8550] device veth0_vlan entered promiscuous mode [ 67.311401][ T8550] device veth1_vlan entered promiscuous mode [ 172.270501][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 172.277316][ C0] rcu: 0-....: (1 GPs behind) idle=fe2/1/0x4000000000000002 softirq=13058/13059 fqs=2730 [ 172.287468][ C0] (t=10500 jiffies g=7073 q=452) [ 172.292480][ C0] rcu: rcu_preempt kthread starved for 5020 jiffies! g7073 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 172.303482][ C0] rcu: RCU grace-period kthread stack dump: [ 172.309355][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 172.317239][ C0] Call Trace: [ 172.320523][ C0] __schedule+0x9a0/0xcc0 [ 172.324853][ C0] schedule+0x181/0x210 [ 172.329002][ C0] schedule_timeout+0x14f/0x240 [ 172.333841][ C0] ? run_local_timers+0x120/0x120 [ 172.338856][ C0] rcu_gp_kthread+0xed8/0x1770 [ 172.343616][ C0] kthread+0x332/0x350 [ 172.347669][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 172.352764][ C0] ? kthread_blkcg+0xe0/0xe0 [ 172.357348][ C0] ret_from_fork+0x24/0x30 [ 172.361764][ C0] NMI backtrace for cpu 0 [ 172.366078][ C0] CPU: 0 PID: 8565 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 172.374642][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.384678][ C0] Call Trace: [ 172.387948][ C0] [ 172.390789][ C0] dump_stack+0x1fb/0x318 [ 172.395110][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 172.399944][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 172.406083][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 172.412158][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 172.418129][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 172.424004][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 172.429111][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 172.434299][ C0] ? trace_hardirqs_off+0x74/0x80 [ 172.439458][ C0] update_process_times+0x12d/0x180 [ 172.444666][ C0] tick_sched_timer+0x263/0x420 [ 172.449508][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.455057][ C0] __hrtimer_run_queues+0x403/0x840 [ 172.460261][ C0] hrtimer_interrupt+0x38c/0xda0 [ 172.465207][ C0] ? debug_smp_processor_id+0x9/0x20 [ 172.470486][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 172.476027][ C0] apic_timer_interrupt+0xf/0x20 [ 172.480946][ C0] [ 172.483876][ C0] RIP: 0010:mod_memcg_page_state+0x16/0x190 [ 172.489762][ C0] Code: 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 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 [ 172.509353][ C0] RSP: 0018:ffffc90002577778 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 172.517750][ C0] RAX: ffffffff814896c6 RBX: ffffea0002a30140 RCX: ffff888096812480 [ 172.525706][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a30140 [ 172.533662][ C0] RBP: ffffc90002577798 R08: dffffc0000000000 R09: fffffbfff124248a [ 172.541632][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88808ad838a0 [ 172.549589][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a6d33538 [ 172.557558][ C0] ? mod_memcg_page_state+0x16/0x190 [ 172.562848][ C0] ? mod_memcg_page_state+0x16/0x190 [ 172.568121][ C0] free_thread_stack+0x168/0x590 [ 172.573075][ C0] put_task_stack+0xa3/0x130 [ 172.577656][ C0] finish_task_switch+0x3f1/0x550 [ 172.582672][ C0] __schedule+0x9a8/0xcc0 [ 172.587020][ C0] ? ___preempt_schedule+0x16/0x18 [ 172.592186][ C0] preempt_schedule+0xdb/0x120 [ 172.596947][ C0] ___preempt_schedule+0x16/0x18 [ 172.601898][ C0] _raw_spin_unlock+0x3a/0x40 [ 172.606568][ C0] new_inode_pseudo+0xd6/0x240 [ 172.611323][ C0] new_inode+0x28/0x1c0 [ 172.615476][ C0] proc_pid_make_inode+0x27/0x1d0 [ 172.620493][ C0] proc_pident_instantiate+0x78/0x2f0 [ 172.625897][ C0] ? rcu_lock_release+0x21/0x30 [ 172.630739][ C0] proc_tgid_base_lookup+0x1b1/0x250 [ 172.636015][ C0] ? proc_pident_instantiate+0x2f0/0x2f0 [ 172.641642][ C0] path_openat+0x1f76/0x4240 [ 172.646263][ C0] do_filp_open+0x192/0x3d0 [ 172.650849][ C0] ? noop_direct_IO+0x20/0x20 [ 172.655612][ C0] do_sys_open+0x29f/0x560 [ 172.660020][ C0] __x64_sys_open+0x87/0x90 [ 172.664519][ C0] do_syscall_64+0xf7/0x1c0 [ 172.669013][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.674894][ C0] RIP: 0033:0x414cc0 [ 172.678780][ C0] Code: 05 48 3d 01 f0 ff ff 0f 83 2d 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d ad 37 66 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff [ 172.698384][ C0] RSP: 002b:00007ffca6463fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 172.706802][ C0] RAX: ffffffffffffffda RBX: 00007ffca6463fd4 RCX: 0000000000414cc0 [ 172.714769][ C0] RDX: 00007ffca6463fda RSI: 0000000000080001 RDI: 00000000004c0a49 [ 172.722729][ C0] RBP: 00007ffca6463fd0 R08: 0000000000000000 R09: 0000000000000004 [ 172.730686][ C0] R10: 0000000000000075 R11: 0000000000000246 R12: 00000000004c0a49 [ 172.738645][ C0] R13: 00007ffca64644f0 R14: 0000000000000000 R15: 00007ffca6464500