[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 47.261538][ T27] audit: type=1800 audit(1578486329.069:25): pid=8280 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.280468][ T27] audit: type=1800 audit(1578486329.079:26): pid=8280 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.323740][ T27] audit: type=1800 audit(1578486329.079:27): pid=8280 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 '10.128.0.136' (ECDSA) to the list of known hosts. 2020/01/08 12:25:37 fuzzer started 2020/01/08 12:25:38 dialing manager at 10.128.0.26:35703 2020/01/08 12:25:39 syscalls: 2824 2020/01/08 12:25:39 code coverage: enabled 2020/01/08 12:25:39 comparison tracing: enabled 2020/01/08 12:25:39 extra coverage: enabled 2020/01/08 12:25:39 setuid sandbox: enabled 2020/01/08 12:25:39 namespace sandbox: enabled 2020/01/08 12:25:39 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 12:25:39 fault injection: enabled 2020/01/08 12:25:39 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 12:25:39 net packet injection: enabled 2020/01/08 12:25:39 net device setup: enabled 2020/01/08 12:25:39 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 12:25:39 devlink PCI setup: PCI device 0000:00:10.0 is not available 12:25:40 executing program 0: r0 = creat(&(0x7f0000000040)='./file1\x00', 0x0) write$binfmt_script(r0, &(0x7f0000000380)=ANY=[@ANYRESDEC, @ANYRES16, @ANYRESHEX, @ANYRES16, @ANYBLOB="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"], 0xfc7c) fallocate(r0, 0x8, 0x0, 0x8000) 12:25:40 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f0000000080)='net/dev_snmp6\x00') r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x5, 0x0) ioctl$TCSETS(r1, 0x40045431, &(0x7f00003b9fdc)) r2 = syz_open_pts(r1, 0x4000000000000002) r3 = dup3(r2, r0, 0x0) ioctl$TCXONC(r3, 0x540a, 0x0) write$binfmt_script(r1, &(0x7f0000000340)=ANY=[@ANYRES32], 0x4) write$P9_RATTACH(r0, &(0x7f00000001c0)={0x14}, 0xffffffde) fcntl$setstatus(r0, 0x4, 0x40800) ioctl$TCXONC(r3, 0x540a, 0x1) syzkaller login: [ 58.342567][ T8445] IPVS: ftp: loaded support on port[0] = 21 [ 58.490834][ T8445] chnl_net:caif_netlink_parms(): no params data found 12:25:40 executing program 2: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 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, 0x0, 0xffffffffffffffff, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x8, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000002400000000000000630a00ff000000009500000000000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x1f2, 0x10, &(0x7f0000000000), 0xfffffe51}, 0x48) [ 58.579107][ T8445] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.593796][ T8445] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.602018][ T8445] device bridge_slave_0 entered promiscuous mode [ 58.611638][ T8445] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.619433][ T8445] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.628014][ T8445] device bridge_slave_1 entered promiscuous mode [ 58.667334][ T8448] IPVS: ftp: loaded support on port[0] = 21 [ 58.684055][ T8445] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.717833][ T8445] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.762693][ T8445] team0: Port device team_slave_0 added [ 58.786784][ T8445] team0: Port device team_slave_1 added 12:25:40 executing program 3: set_mempolicy(0x8003, &(0x7f0000000300)=0x75f, 0x9) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) recvmmsg(0xffffffffffffffff, &(0x7f0000004a40)=[{{0x0, 0x0, &(0x7f0000001580)=[{0x0}, {&(0x7f0000000000)=""/46, 0x2e}], 0x2}}], 0x1, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000040)='net/ip_tables_matches\x00') sendmmsg(r0, &(0x7f0000000240)=[{{0x0, 0x0, &(0x7f0000000380)=[{&(0x7f0000000040)="549b8012", 0x10004}], 0x1}}, {{0x0, 0xfffffcd1, 0x0}}], 0x40000ac, 0x0) [ 58.858531][ T8445] device hsr_slave_0 entered promiscuous mode [ 58.924049][ T8445] device hsr_slave_1 entered promiscuous mode [ 59.002700][ T8450] IPVS: ftp: loaded support on port[0] = 21 12:25:40 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0xe) ioctl$TCGETX(r0, 0x5432, 0x0) [ 59.121642][ T8452] IPVS: ftp: loaded support on port[0] = 21 [ 59.129642][ T8448] chnl_net:caif_netlink_parms(): no params data found [ 59.311155][ T8445] netdevsim netdevsim0 netdevsim0: renamed from eth0 12:25:41 executing program 5: syz_open_dev$mouse(&(0x7f0000000180)='/dev/input/mouse#\x00', 0x0, 0x0) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = fcntl$dupfd(r0, 0x0, r0) bind$bt_rfcomm(r1, &(0x7f0000000000)={0x1f, {0xffffffffffffffff, 0x1ff, 0x2}}, 0xa) bpf$BPF_MAP_FREEZE(0x16, &(0x7f0000000380)=r1, 0xffffffffffffff17) perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = gettid() perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x1, 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_config_ext, 0x28000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) waitid(0x83b895581628fca4, r2, 0x0, 0x0, 0x0) bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) munlockall() prctl$PR_SET_PTRACER(0x59616d61, 0x0) gettid() r3 = socket(0x15, 0x80005, 0x0) getsockopt(r3, 0x200000000114, 0x2720, 0x0, &(0x7f0000000000)) r4 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r5 = fcntl$dupfd(r4, 0x0, r4) bind$bt_rfcomm(r5, &(0x7f0000000000)={0x1f, {0xffffffffffffffff, 0x1ff, 0x2}}, 0xa) r6 = socket$inet6(0xa, 0x0, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(0xffffffffffffffff, &(0x7f0000000180)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) listen(0xffffffffffffffff, 0x0) connect$inet6(r6, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast2, 0x4}, 0x1c) getsockopt(0xffffffffffffffff, 0x200000000114, 0x2720, 0x0, &(0x7f0000000000)) [ 59.368163][ T8445] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.447629][ T8445] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.526846][ T8448] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.534657][ T8448] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.542255][ T8448] device bridge_slave_0 entered promiscuous mode [ 59.569252][ T8445] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.605423][ T8448] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.612530][ T8448] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.620690][ T8448] device bridge_slave_1 entered promiscuous mode [ 59.638023][ T8458] IPVS: ftp: loaded support on port[0] = 21 [ 59.656634][ T8450] chnl_net:caif_netlink_parms(): no params data found [ 59.671791][ T8448] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.682266][ T8456] IPVS: ftp: loaded support on port[0] = 21 [ 59.689302][ T8448] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.710049][ T8448] team0: Port device team_slave_0 added [ 59.721284][ T8448] team0: Port device team_slave_1 added [ 59.801135][ T8452] chnl_net:caif_netlink_parms(): no params data found [ 59.866586][ T8448] device hsr_slave_0 entered promiscuous mode [ 59.914487][ T8448] device hsr_slave_1 entered promiscuous mode [ 59.953967][ T8448] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.961958][ T8448] Cannot create hsr debugfs directory [ 59.978390][ T8450] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.985574][ T8450] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.993098][ T8450] device bridge_slave_0 entered promiscuous mode [ 60.002998][ T8450] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.010096][ T8450] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.019626][ T8450] device bridge_slave_1 entered promiscuous mode [ 60.087505][ T8450] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.124175][ T8450] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.143364][ T8452] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.151192][ T8452] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.159728][ T8452] device bridge_slave_0 entered promiscuous mode [ 60.169956][ T8452] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.177416][ T8452] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.185315][ T8452] device bridge_slave_1 entered promiscuous mode [ 60.201812][ T8450] team0: Port device team_slave_0 added [ 60.210565][ T8450] team0: Port device team_slave_1 added [ 60.286637][ T8450] device hsr_slave_0 entered promiscuous mode [ 60.334028][ T8450] device hsr_slave_1 entered promiscuous mode [ 60.383868][ T8450] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.391464][ T8450] Cannot create hsr debugfs directory [ 60.431613][ T8452] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.444004][ T8452] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.456582][ T8458] chnl_net:caif_netlink_parms(): no params data found [ 60.490788][ T8452] team0: Port device team_slave_0 added [ 60.506629][ T8456] chnl_net:caif_netlink_parms(): no params data found [ 60.526227][ T8452] team0: Port device team_slave_1 added [ 60.574057][ T8458] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.582746][ T8458] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.590934][ T8458] device bridge_slave_0 entered promiscuous mode [ 60.601353][ T8458] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.609034][ T8458] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.616814][ T8458] device bridge_slave_1 entered promiscuous mode [ 60.624358][ T8456] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.631398][ T8456] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.639213][ T8456] device bridge_slave_0 entered promiscuous mode [ 60.652424][ T8445] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.716735][ T8452] device hsr_slave_0 entered promiscuous mode [ 60.754139][ T8452] device hsr_slave_1 entered promiscuous mode [ 60.814925][ T8452] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.822526][ T8452] Cannot create hsr debugfs directory [ 60.836939][ T8456] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.844148][ T8456] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.851826][ T8456] device bridge_slave_1 entered promiscuous mode [ 60.860227][ T8448] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.922540][ T8458] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.945301][ T8448] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.976204][ T8458] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.006045][ T8448] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.028129][ T8448] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.097835][ T3824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.106204][ T3824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.116139][ T8458] team0: Port device team_slave_0 added [ 61.123323][ T8456] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.139585][ T8445] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.153495][ T8458] team0: Port device team_slave_1 added [ 61.161225][ T8456] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.203364][ T3824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.212705][ T3824] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.221340][ T3824] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.228479][ T3824] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.236948][ T3824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.245755][ T3824] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.256128][ T3824] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.263255][ T3824] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.270959][ T3824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.283970][ T3824] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.303076][ T8450] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.362259][ T8456] team0: Port device team_slave_0 added [ 61.374178][ T3816] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.447215][ T8458] device hsr_slave_0 entered promiscuous mode [ 61.484481][ T8458] device hsr_slave_1 entered promiscuous mode [ 61.524194][ T8458] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.531817][ T8458] Cannot create hsr debugfs directory [ 61.545031][ T8450] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.587870][ T8456] team0: Port device team_slave_1 added [ 61.599197][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.608900][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.620528][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.629350][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.638557][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.648450][ T8450] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.687441][ T8450] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.838005][ T8456] device hsr_slave_0 entered promiscuous mode [ 61.884642][ T8456] device hsr_slave_1 entered promiscuous mode [ 61.923875][ T8456] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.931837][ T8456] Cannot create hsr debugfs directory [ 61.938663][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.948366][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.972600][ T8445] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.986072][ T8445] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.015870][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.024716][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.099769][ T8448] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.112149][ T8452] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.157270][ T8452] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.217386][ T8452] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.291131][ T8452] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.350483][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.362210][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.374266][ T8448] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.397564][ T8445] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.406153][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.413606][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.461213][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.516431][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.525299][ T2669] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.540112][ T2669] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.548368][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.557065][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.566683][ T2669] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.573934][ T2669] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.583603][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.618262][ T8452] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.633736][ T8456] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.680356][ T8456] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.728523][ T8456] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.775729][ T8456] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.810962][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.820129][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.829144][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.836944][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.861099][ T8450] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.868747][ T8458] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.897223][ T8452] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.914799][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.925189][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.933331][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.942026][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.950925][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.959326][ T8459] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.966488][ T8459] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.974315][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.983928][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.991660][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.999875][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.010215][ T8458] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 63.069536][ T8458] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 63.145884][ T8448] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 63.156758][ T8448] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.170064][ T8445] device veth0_vlan entered promiscuous mode [ 63.181817][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.190980][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.199540][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.206634][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.216469][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.225025][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.233264][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.242173][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.250787][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.259275][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.267754][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.276306][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.284297][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.291900][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.300368][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.311104][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.319243][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.327412][ T8458] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 63.368034][ T8450] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.390048][ T8445] device veth1_vlan entered promiscuous mode [ 63.400121][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.409755][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.419956][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.428948][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.437824][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.478792][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.490471][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.502161][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.516433][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.528496][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.537994][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.549906][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.558335][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.565795][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.574291][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.574744][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.591832][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.599583][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.610527][ T8452] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.640945][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.650774][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.665865][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.673561][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.691379][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.701540][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.710943][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.719986][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.729369][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.750078][ T8448] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.786848][ T8450] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 63.802463][ T8450] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.845999][ T8450] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.896571][ T8450] device veth0_vlan entered promiscuous mode [ 63.919678][ T8450] device veth1_vlan entered promiscuous mode [ 168.703651][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 168.710475][ C1] rcu: 1-...!: (1 GPs behind) idle=c32/1/0x4000000000000002 softirq=11709/11710 fqs=10 [ 168.720429][ C1] (t=10500 jiffies g=6685 q=456) [ 168.725446][ C1] rcu: rcu_preempt kthread starved for 10476 jiffies! g6685 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 168.736633][ C1] rcu: RCU grace-period kthread stack dump: [ 168.742878][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 168.750776][ C1] Call Trace: [ 168.754082][ C1] __schedule+0x9a0/0xcc0 [ 168.758425][ C1] schedule+0x181/0x210 [ 168.762583][ C1] schedule_timeout+0x14f/0x240 [ 168.767463][ C1] ? run_local_timers+0x120/0x120 [ 168.772499][ C1] rcu_gp_kthread+0xed8/0x1770 [ 168.777267][ C1] kthread+0x332/0x350 [ 168.781335][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 168.786451][ C1] ? kthread_blkcg+0xe0/0xe0 [ 168.791041][ C1] ret_from_fork+0x24/0x30 [ 168.795567][ C1] NMI backtrace for cpu 1 [ 168.799892][ C1] CPU: 1 PID: 21 Comm: kworker/u4:1 Not tainted 5.5.0-rc5-syzkaller #0 [ 168.810824][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.820977][ C1] Workqueue: 0x0 (bat_events) [ 168.825731][ C1] Call Trace: [ 168.829006][ C1] [ 168.831849][ C1] dump_stack+0x1fb/0x318 [ 168.836186][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 168.841035][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 168.847178][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 168.853234][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 168.859208][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 168.865097][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 168.870204][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 168.875407][ C1] ? trace_hardirqs_off+0x74/0x80 [ 168.880435][ C1] update_process_times+0x12d/0x180 [ 168.885626][ C1] tick_sched_timer+0x263/0x420 [ 168.890479][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.896016][ C1] __hrtimer_run_queues+0x403/0x840 [ 168.901219][ C1] hrtimer_interrupt+0x38c/0xda0 [ 168.906164][ C1] ? debug_smp_processor_id+0x9/0x20 [ 168.911451][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 168.916988][ C1] apic_timer_interrupt+0xf/0x20 [ 168.921924][ C1] [ 168.924864][ C1] RIP: 0010:__memcg_kmem_uncharge+0x42/0x1a0 [ 168.931017][ C1] Code: 00 00 fc ff df 4c 8d 77 38 4d 89 f5 49 c1 ed 03 41 80 7c 05 00 00 74 08 4c 89 f7 e8 48 07 fb ff 4d 8b 3e b8 01 00 00 00 89 d9 e0 4d 85 ff 0f 84 de 00 00 00 4c 39 3d a4 be ac 07 0f 84 2c 01 [ 168.950645][ C1] RSP: 0018:ffffc90000dd7bf0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.959054][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 168.967026][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00028ad700 [ 168.974990][ C1] RBP: ffffc90000dd7c20 R08: 000000000003a728 R09: ffffed1014426ad9 [ 168.982950][ C1] R10: ffffed1014426ad9 R11: 0000000000000000 R12: ffffea00028ad700 [ 168.990909][ C1] R13: 1ffffd4000515ae7 R14: ffffea00028ad738 R15: 0000000000000000 [ 168.998990][ C1] ? free_thread_stack+0x124/0x590 [ 169.004267][ C1] free_thread_stack+0x12e/0x590 [ 169.009196][ C1] put_task_stack+0xa3/0x130 [ 169.014209][ C1] finish_task_switch+0x3f1/0x550 [ 169.019244][ C1] __schedule+0x9a8/0xcc0 [ 169.023573][ C1] schedule+0x181/0x210 [ 169.027726][ C1] worker_thread+0x10d6/0x1630 [ 169.032508][ C1] kthread+0x332/0x350 [ 169.036674][ C1] ? rcu_lock_release+0x30/0x30 [ 169.041514][ C1] ? kthread_blkcg+0xe0/0xe0 [ 169.046098][ C1] ret_from_fork+0x24/0x30