[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 57.814436][ T27] audit: type=1800 audit(1578452555.824:25): pid=8473 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 57.833486][ T27] audit: type=1800 audit(1578452555.834:26): pid=8473 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 57.875777][ T27] audit: type=1800 audit(1578452555.834:27): pid=8473 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 '10.128.0.253' (ECDSA) to the list of known hosts. 2020/01/08 03:02:45 fuzzer started 2020/01/08 03:02:47 dialing manager at 10.128.0.26:35703 2020/01/08 03:02:47 syscalls: 2824 2020/01/08 03:02:47 code coverage: enabled 2020/01/08 03:02:47 comparison tracing: enabled 2020/01/08 03:02:47 extra coverage: enabled 2020/01/08 03:02:47 setuid sandbox: enabled 2020/01/08 03:02:47 namespace sandbox: enabled 2020/01/08 03:02:47 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:02:47 fault injection: enabled 2020/01/08 03:02:47 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:02:47 net packet injection: enabled 2020/01/08 03:02:47 net device setup: enabled 2020/01/08 03:02:47 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:02:47 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:02:48 executing program 0: r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xa, &(0x7f00000000c0)={0x5, 0x8}, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r1, 0x6, 0x20, &(0x7f0000000040)=0x2, 0xf6) setsockopt$inet_tcp_TCP_MD5SIG(r1, 0x6, 0xe, &(0x7f0000000100)={@in, 0x0, 0x7}, 0xd8) 03:02:48 executing program 1: r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000480)={0xa, 0x0, 0x0, @mcast1={0xff, 0x5}}, 0x1c) getsockname(r0, 0x0, &(0x7f0000000880)) syzkaller login: [ 70.632976][ T8640] IPVS: ftp: loaded support on port[0] = 21 03:02:48 executing program 2: r0 = socket$pppoe(0x18, 0x1, 0x0) setsockopt$sock_int(r0, 0x1, 0xc, &(0x7f0000000100)=0x101, 0x4) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x2, @broadcast, 'batadv0\x00'}}, 0x1e) sendmmsg(r0, &(0x7f0000005b40), 0x40000000000014d, 0x0) [ 70.810517][ T8643] IPVS: ftp: loaded support on port[0] = 21 [ 70.819806][ T8640] chnl_net:caif_netlink_parms(): no params data found [ 70.901105][ T8640] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.909367][ T8640] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.918015][ T8640] device bridge_slave_0 entered promiscuous mode [ 70.929639][ T8640] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.936799][ T8640] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.945391][ T8640] device bridge_slave_1 entered promiscuous mode [ 70.971156][ T8640] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.983296][ T8640] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.009998][ T8640] team0: Port device team_slave_0 added [ 71.018388][ T8640] team0: Port device team_slave_1 added 03:02:49 executing program 3: mkdir(&(0x7f0000000040)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000740)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1, @ANYBLOB=',dfltuid=', @ANYRESHEX]) [ 71.129878][ T8640] device hsr_slave_0 entered promiscuous mode [ 71.178095][ T8640] device hsr_slave_1 entered promiscuous mode [ 71.247702][ T8643] chnl_net:caif_netlink_parms(): no params data found [ 71.268733][ T8646] IPVS: ftp: loaded support on port[0] = 21 03:02:49 executing program 4: unshare(0x400) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) preadv(r0, 0x0, 0x0, 0x0) [ 71.374700][ T8643] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.383693][ T8643] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.392479][ T8643] device bridge_slave_0 entered promiscuous mode [ 71.449346][ T8643] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.456435][ T8643] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.479892][ T8648] IPVS: ftp: loaded support on port[0] = 21 [ 71.488615][ T8643] device bridge_slave_1 entered promiscuous mode [ 71.522202][ T8640] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.593560][ T8643] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.607651][ T8640] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.619645][ T8650] IPVS: ftp: loaded support on port[0] = 21 03:02:49 executing program 5: bpf$PROG_LOAD(0x5, &(0x7f00000054c0)={0xe, 0x16, &(0x7f0000000140)=ANY=[@ANYBLOB="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"/371], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000040), 0x1f1, 0x10, &(0x7f0000000000), 0x103}, 0x48) [ 71.639203][ T8640] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.687007][ T8643] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.696104][ T8640] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.783792][ T8643] team0: Port device team_slave_0 added [ 71.792173][ T8643] team0: Port device team_slave_1 added [ 71.859414][ T8643] device hsr_slave_0 entered promiscuous mode [ 71.898174][ T8643] device hsr_slave_1 entered promiscuous mode [ 71.937080][ T8643] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.944981][ T8643] Cannot create hsr debugfs directory [ 71.964008][ T8652] IPVS: ftp: loaded support on port[0] = 21 [ 72.099542][ T8646] chnl_net:caif_netlink_parms(): no params data found [ 72.155980][ T8646] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.163473][ T8646] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.171700][ T8646] device bridge_slave_0 entered promiscuous mode [ 72.180931][ T8646] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.188126][ T8646] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.196533][ T8646] device bridge_slave_1 entered promiscuous mode [ 72.208625][ T8648] chnl_net:caif_netlink_parms(): no params data found [ 72.244762][ T8643] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 72.310616][ T8646] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.325526][ T8643] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 72.360412][ T8643] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 72.421375][ T8643] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 72.497032][ T8646] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.536102][ T8648] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.544911][ T8648] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.554679][ T8648] device bridge_slave_0 entered promiscuous mode [ 72.564921][ T8646] team0: Port device team_slave_0 added [ 72.573804][ T8646] team0: Port device team_slave_1 added [ 72.613698][ T8648] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.622825][ T8648] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.631617][ T8648] device bridge_slave_1 entered promiscuous mode [ 72.647083][ T8650] chnl_net:caif_netlink_parms(): no params data found [ 72.700375][ T8646] device hsr_slave_0 entered promiscuous mode [ 72.737421][ T8646] device hsr_slave_1 entered promiscuous mode [ 72.777099][ T8646] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.784698][ T8646] Cannot create hsr debugfs directory [ 72.815787][ T8652] chnl_net:caif_netlink_parms(): no params data found [ 72.850852][ T8648] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.878546][ T8648] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.902736][ T8640] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.930973][ T8650] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.938351][ T8650] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.946011][ T8650] device bridge_slave_0 entered promiscuous mode [ 72.954671][ T8650] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.962343][ T8650] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.972855][ T8650] device bridge_slave_1 entered promiscuous mode [ 73.005829][ T8652] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.020429][ T8652] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.028132][ T8652] device bridge_slave_0 entered promiscuous mode [ 73.036688][ T8652] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.044031][ T8652] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.051941][ T8652] device bridge_slave_1 entered promiscuous mode [ 73.061011][ T8648] team0: Port device team_slave_0 added [ 73.068993][ T8648] team0: Port device team_slave_1 added [ 73.086046][ T8650] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.116594][ T8652] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.128161][ T8650] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.209549][ T8648] device hsr_slave_0 entered promiscuous mode [ 73.247622][ T8648] device hsr_slave_1 entered promiscuous mode [ 73.296974][ T8648] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.304582][ T8648] Cannot create hsr debugfs directory [ 73.314329][ T8652] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.336623][ T8650] team0: Port device team_slave_0 added [ 73.350674][ T8650] team0: Port device team_slave_1 added [ 73.359189][ T8640] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.369797][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.378299][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.388781][ T8652] team0: Port device team_slave_0 added [ 73.418013][ T8652] team0: Port device team_slave_1 added [ 73.423789][ T8646] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 73.469163][ T8646] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 73.513030][ T8646] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 73.572599][ T8646] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 73.700071][ T8650] device hsr_slave_0 entered promiscuous mode [ 73.737250][ T8650] device hsr_slave_1 entered promiscuous mode [ 73.776946][ T8650] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.784645][ T8650] Cannot create hsr debugfs directory [ 73.819992][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.829196][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.837800][ T3037] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.844998][ T3037] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.854059][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.940742][ T8652] device hsr_slave_0 entered promiscuous mode [ 73.987234][ T8652] device hsr_slave_1 entered promiscuous mode [ 74.026954][ T8652] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.034542][ T8652] Cannot create hsr debugfs directory [ 74.086311][ T3020] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.096155][ T3020] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.105193][ T3020] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.112256][ T3020] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.120580][ T3020] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.156721][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.178314][ T8643] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.223112][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.232865][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.242984][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.251589][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.260013][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.268568][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.276676][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.285058][ T8648] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 74.362653][ T8640] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.374499][ T8640] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.400849][ T3020] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.409702][ T3020] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.420875][ T8648] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 74.479365][ T8648] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 74.522753][ T8648] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 74.598643][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.606784][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.619035][ T8643] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.628789][ T8652] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 74.659150][ T8652] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 74.723161][ T8652] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 74.779240][ T8650] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 74.828936][ T8650] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 74.873531][ T8652] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 74.925764][ T8646] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.932945][ T8650] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 74.959570][ T8650] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 75.016311][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.027600][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.035883][ T2828] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.042971][ T2828] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.050996][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.058781][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.076084][ T8646] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.091962][ T8640] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.112085][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.120989][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.132742][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.141335][ T2828] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.148458][ T2828] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.156627][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.165207][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.172842][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.181164][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.190694][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.199370][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.207920][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.217125][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.226416][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.237913][ T3020] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.246388][ T3020] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.255698][ T3020] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.263118][ T3020] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.271967][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.314080][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.325621][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.334905][ T3037] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.342170][ T3037] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.350304][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.359099][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.368510][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.377067][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.385422][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.393983][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.402241][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.411197][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.420461][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.446494][ T8643] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 75.458102][ T8643] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.476743][ T8646] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.491624][ T8646] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.508533][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.516906][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.525470][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.534294][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.543770][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.552380][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.560728][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.569448][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.579008][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.605935][ T8650] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.625938][ T8640] device veth0_vlan entered promiscuous mode [ 75.644539][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.653992][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.664195][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.672239][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.703708][ T8646] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.715472][ T8640] device veth1_vlan entered promiscuous mode [ 75.728412][ T8643] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.737405][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.745371][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.756460][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.764714][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.772915][ T3037] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.792320][ T8650] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.810138][ T8652] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.824796][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.833091][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.841659][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.850361][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.874721][ T8648] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.889825][ T8652] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.896681][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.905046][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.915987][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.925159][ T2862] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.932261][ T2862] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.940964][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.949579][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.958163][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.966609][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.975053][ T2862] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.982119][ T2862] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.992487][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.030053][ T8648] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.045157][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.054019][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.062600][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.071974][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.081200][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.090529][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.099331][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.108097][ T2862] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.115151][ T2862] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.123043][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.131691][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.140149][ T2862] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.147241][ T2862] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.162205][ T8646] device veth0_vlan entered promiscuous mode [ 76.181550][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.191906][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.218134][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.237283][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 76.245556][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.261924][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.271851][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.296084][ T8650] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 76.315160][ T8650] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.341193][ T8646] device veth1_vlan entered promiscuous mode [ 76.420140][ T8652] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 76.436506][ T8652] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.480770][ T8652] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 181.246831][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 181.253590][ C0] rcu: 0-...!: (1 GPs behind) idle=746/1/0x4000000000000002 softirq=15591/15600 fqs=11 [ 181.263535][ C0] (t=10501 jiffies g=7201 q=426) [ 181.268546][ C0] rcu: rcu_preempt kthread starved for 10478 jiffies! g7201 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 181.279943][ C0] rcu: RCU grace-period kthread stack dump: [ 181.286092][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 181.293996][ C0] Call Trace: [ 181.297286][ C0] __schedule+0x9a0/0xcc0 [ 181.301618][ C0] schedule+0x181/0x210 [ 181.305763][ C0] schedule_timeout+0x14f/0x240 [ 181.310629][ C0] ? run_local_timers+0x120/0x120 [ 181.315645][ C0] rcu_gp_kthread+0xed8/0x1770 [ 181.320406][ C0] kthread+0x332/0x350 [ 181.324461][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 181.329558][ C0] ? kthread_blkcg+0xe0/0xe0 [ 181.334136][ C0] ret_from_fork+0x24/0x30 [ 181.338552][ C0] NMI backtrace for cpu 0 [ 181.342874][ C0] CPU: 0 PID: 8640 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 181.351441][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.361492][ C0] Call Trace: [ 181.364794][ C0] [ 181.367645][ C0] dump_stack+0x1fb/0x318 [ 181.371984][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 181.376831][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 181.382976][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 181.389034][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 181.395005][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 181.401584][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 181.406691][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 181.411882][ C0] ? trace_hardirqs_off+0x74/0x80 [ 181.416896][ C0] update_process_times+0x12d/0x180 [ 181.422084][ C0] tick_sched_timer+0x263/0x420 [ 181.426925][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 181.432456][ C0] __hrtimer_run_queues+0x403/0x840 [ 181.437669][ C0] hrtimer_interrupt+0x38c/0xda0 [ 181.442614][ C0] ? debug_smp_processor_id+0x9/0x20 [ 181.447890][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 181.453428][ C0] apic_timer_interrupt+0xf/0x20 [ 181.458349][ C0] [ 181.461281][ C0] RIP: 0010:__memcg_kmem_uncharge+0x1/0x1a0 [ 181.467165][ 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 [ 181.486845][ C0] RSP: 0018:ffffc90002717ca8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 181.495243][ C0] RAX: ffffffff81489244 RBX: ffffea0002872280 RCX: ffff88809543e300 [ 181.503200][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002872280 [ 181.511156][ C0] RBP: ffffc90002717cf0 R08: 000000000003a728 R09: ffffed1011f79af1 [ 181.519113][ C0] R10: ffffed1011f79af1 R11: 0000000000000000 R12: ffff888084a0cf20 [ 181.527076][ C0] R13: dffffc0000000000 R14: 1ffff110109419e4 R15: ffff88808fbcd778 [ 181.535054][ C0] ? free_thread_stack+0x124/0x590 [ 181.540160][ C0] ? free_thread_stack+0x12e/0x590 [ 181.545272][ C0] put_task_stack+0xa3/0x130 [ 181.549860][ C0] finish_task_switch+0x3f1/0x550 [ 181.554897][ C0] __schedule+0x9a8/0xcc0 [ 181.559220][ C0] ? preempt_count_add+0x61/0x160 [ 181.564243][ C0] schedule+0x181/0x210 [ 181.568394][ C0] prepare_exit_to_usermode+0x2d4/0x5b0 [ 181.573932][ C0] syscall_return_slowpath+0x113/0x4a0 [ 181.579385][ C0] do_syscall_64+0x11f/0x1c0 [ 181.583963][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 181.589848][ C0] RIP: 0033:0x45dd8a [ 181.593744][ C0] Code: 25 18 00 00 00 00 74 01 f0 48 0f b1 3d bf ab 61 00 48 39 c2 75 da f3 c3 0f 1f 84 00 00 00 00 00 48 63 ff b8 e4 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 f3 c3 0f 1f 40 00 48 c7 c2 d4 ff ff ff f7 [ 181.613341][ C0] RSP: 002b:00007ffec85f3898 EFLAGS: 00000246 ORIG_RAX: 00000000000000e4 [ 181.621740][ C0] RAX: 0000000000000000 RBX: 000000000001298c RCX: 000000000045dd8a [ 181.629698][ C0] RDX: 0000000000000000 RSI: 00007ffec85f38a0 RDI: 0000000000000001 [ 181.637655][ C0] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000ec5940 [ 181.645613][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 181.653918][ C0] R13: 00007ffec85f3900 R14: 0000000000012980 R15: 00007ffec85f3910