[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.622533][ T27] audit: type=1800 audit(1578472592.093:25): pid=8273 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.641345][ T27] audit: type=1800 audit(1578472592.093:26): pid=8273 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.683799][ T27] audit: type=1800 audit(1578472592.093:27): pid=8273 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 08:36:43 fuzzer started 2020/01/08 08:36:45 dialing manager at 10.128.0.26:35703 2020/01/08 08:36:45 syscalls: 2824 2020/01/08 08:36:45 code coverage: enabled 2020/01/08 08:36:45 comparison tracing: enabled 2020/01/08 08:36:45 extra coverage: enabled 2020/01/08 08:36:45 setuid sandbox: enabled 2020/01/08 08:36:45 namespace sandbox: enabled 2020/01/08 08:36:45 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 08:36:45 fault injection: enabled 2020/01/08 08:36:45 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 08:36:45 net packet injection: enabled 2020/01/08 08:36:45 net device setup: enabled 2020/01/08 08:36:45 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 08:36:45 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:36:46 executing program 0: r0 = semget$private(0x0, 0x20000000107, 0x0) semtimedop(r0, &(0x7f0000000000)=[{0x0, 0x7fff, 0x1000}, {0x0, 0xf9a4}], 0x2, 0x0) semtimedop(r0, &(0x7f0000000080)=[{0x0, 0xff, 0x1000}], 0x1, 0x0) 08:36:46 executing program 1: syz_open_dev$sg(&(0x7f0000000240)='/dev/sg#\x00', 0x0, 0x0) socket$inet(0x2, 0x1, 0x0) pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) write(r1, &(0x7f00000001c0), 0xfffffef3) perf_event_open(&(0x7f0000000440)={0x2, 0x70, 0xb8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) clock_gettime(0x0, 0x0) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000140)={0x1ff}, &(0x7f0000000200), 0x0) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528ac06}], 0x1, 0x0) syzkaller login: [ 67.392385][ T8439] IPVS: ftp: loaded support on port[0] = 21 [ 67.533140][ T8441] IPVS: ftp: loaded support on port[0] = 21 [ 67.589429][ T8439] chnl_net:caif_netlink_parms(): no params data found 08:36:47 executing program 2: perf_event_open(&(0x7f00000001c0)={0x2, 0x70, 0xeb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ptmx\x00', 0x0, 0x0) r0 = add_key(&(0x7f0000000000)='dns_resolver\x00', &(0x7f00000000c0)={'syz'}, &(0x7f0000000080), 0xfe28, 0xfffffffffffffffb) r1 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) keyctl$chown(0x4, r0, r2, 0x0) [ 67.686453][ T8439] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.699283][ T8439] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.708476][ T8439] device bridge_slave_0 entered promiscuous mode [ 67.756104][ T8439] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.763190][ T8439] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.784560][ T8439] device bridge_slave_1 entered promiscuous mode [ 67.826482][ T8441] chnl_net:caif_netlink_parms(): no params data found [ 67.841734][ T8445] IPVS: ftp: loaded support on port[0] = 21 [ 67.854780][ T8439] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.887903][ T8439] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.944967][ T8439] team0: Port device team_slave_0 added [ 67.953387][ T8439] team0: Port device team_slave_1 added [ 67.965962][ T8441] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.973025][ T8441] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.982053][ T8441] device bridge_slave_0 entered promiscuous mode 08:36:47 executing program 3: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = fcntl$dupfd(r0, 0x0, r0) bind$bt_rfcomm(r1, &(0x7f0000000280)={0x1f, {0x0, 0x0, 0x1}}, 0xa) [ 68.007484][ T8441] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.015079][ T8441] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.022936][ T8441] device bridge_slave_1 entered promiscuous mode [ 68.087363][ T8439] device hsr_slave_0 entered promiscuous mode [ 68.134040][ T8439] device hsr_slave_1 entered promiscuous mode [ 68.220740][ T8441] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.240967][ T8445] chnl_net:caif_netlink_parms(): no params data found [ 68.252753][ T8447] IPVS: ftp: loaded support on port[0] = 21 08:36:47 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$tipc2(&(0x7f00000002c0)='TIPCv2\x00') sendmsg$TIPC_NL_BEARER_ENABLE(r0, &(0x7f0000000200)={0x0, 0x2f6, &(0x7f00000001c0)={&(0x7f0000001c00)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_BEARER={0x28, 0x1, [@TIPC_NLA_BEARER_NAME={0x24, 0x1, @l2={'eth', 0x3a, '\x00'}}]}]}, 0x3c}}, 0x0) [ 68.266212][ T8441] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.343476][ T8441] team0: Port device team_slave_0 added [ 68.404860][ T8441] team0: Port device team_slave_1 added [ 68.418988][ T8450] IPVS: ftp: loaded support on port[0] = 21 [ 68.449026][ T8445] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.464190][ T8445] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.471806][ T8445] device bridge_slave_0 entered promiscuous mode [ 68.516910][ T8445] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.527726][ T8445] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.535817][ T8445] device bridge_slave_1 entered promiscuous mode 08:36:48 executing program 5: bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000180)={&(0x7f0000000000)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x14, 0x14, 0x4, [@enum={0x0, 0x1, 0x0, 0x6, 0x4, [{0x2}]}]}, {0x0, [0x0, 0x5f]}}, &(0x7f0000000080)=""/221, 0x30, 0xdd, 0x8}, 0x20) [ 68.586737][ T8441] device hsr_slave_0 entered promiscuous mode [ 68.624357][ T8441] device hsr_slave_1 entered promiscuous mode [ 68.654444][ T8441] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.662233][ T8441] Cannot create hsr debugfs directory [ 68.709857][ T8452] IPVS: ftp: loaded support on port[0] = 21 [ 68.762543][ T8445] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.776637][ T8439] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.839711][ T8447] chnl_net:caif_netlink_parms(): no params data found [ 68.860121][ T8445] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.872323][ T8439] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.918167][ T8439] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.968236][ T8439] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.056661][ T8445] team0: Port device team_slave_0 added [ 69.079191][ T8445] team0: Port device team_slave_1 added [ 69.156715][ T8445] device hsr_slave_0 entered promiscuous mode [ 69.203978][ T8445] device hsr_slave_1 entered promiscuous mode [ 69.253901][ T8445] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.261475][ T8445] Cannot create hsr debugfs directory [ 69.267326][ T8447] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.274734][ T8447] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.282363][ T8447] device bridge_slave_0 entered promiscuous mode [ 69.291381][ T8447] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.298700][ T8447] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.306655][ T8447] device bridge_slave_1 entered promiscuous mode [ 69.381426][ T8441] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 69.437534][ T8447] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.450862][ T8447] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.470923][ T8441] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 69.526622][ T8450] chnl_net:caif_netlink_parms(): no params data found [ 69.556241][ T8441] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.613085][ T8447] team0: Port device team_slave_0 added [ 69.641231][ T8441] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.699492][ T8447] team0: Port device team_slave_1 added [ 69.725168][ T8452] chnl_net:caif_netlink_parms(): no params data found [ 69.775624][ T8450] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.782752][ T8450] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.790614][ T8450] device bridge_slave_0 entered promiscuous mode [ 69.800284][ T8450] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.807415][ T8450] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.816614][ T8450] device bridge_slave_1 entered promiscuous mode [ 69.875686][ T8447] device hsr_slave_0 entered promiscuous mode [ 69.944164][ T8447] device hsr_slave_1 entered promiscuous mode [ 69.984041][ T8447] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.991638][ T8447] Cannot create hsr debugfs directory [ 70.058062][ T8452] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.065264][ T8452] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.072730][ T8452] device bridge_slave_0 entered promiscuous mode [ 70.080475][ T8452] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.087635][ T8452] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.095448][ T8452] device bridge_slave_1 entered promiscuous mode [ 70.102208][ T8445] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 70.147487][ T8445] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 70.216882][ T8450] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.230572][ T8450] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.251700][ T8445] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 70.285802][ T8445] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.372704][ T8452] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.385319][ T8452] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.407857][ T8450] team0: Port device team_slave_0 added [ 70.422277][ T8439] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.439742][ T8450] team0: Port device team_slave_1 added [ 70.470083][ T8439] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.478461][ T8452] team0: Port device team_slave_0 added [ 70.505532][ T3248] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.514197][ T3248] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.527413][ T8441] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.537552][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.546285][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.554821][ T2677] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.561944][ T2677] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.570647][ T8452] team0: Port device team_slave_1 added [ 70.626382][ T8450] device hsr_slave_0 entered promiscuous mode [ 70.674169][ T8450] device hsr_slave_1 entered promiscuous mode [ 70.713840][ T8450] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.721419][ T8450] Cannot create hsr debugfs directory [ 70.739149][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.747017][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.755902][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.764300][ T2977] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.771338][ T2977] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.779555][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.787284][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.846434][ T8452] device hsr_slave_0 entered promiscuous mode [ 70.884145][ T8452] device hsr_slave_1 entered promiscuous mode [ 70.944200][ T8452] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.951856][ T8452] Cannot create hsr debugfs directory [ 70.985566][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.004404][ T8441] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.012609][ T8447] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 71.068958][ T8447] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 71.129612][ T8447] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 71.185886][ T8447] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.242634][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.251659][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.262389][ T2677] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.269508][ T2677] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.277471][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.288736][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.333478][ T8450] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 71.375809][ T8450] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 71.416799][ T8450] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 71.475522][ T3248] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.484593][ T3248] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.492847][ T3248] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.500024][ T3248] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.508487][ T3248] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.517571][ T3248] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.538252][ T8445] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.556736][ T8450] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 71.608265][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.616081][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.650777][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.659574][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.668980][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.677743][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.685773][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.693355][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.702437][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.739486][ T8439] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.750357][ T8439] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.768583][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.777123][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.786303][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.795038][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.803212][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.812124][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.820583][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.828961][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.848212][ T8445] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.870373][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.880682][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.888862][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.897102][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.911457][ T8447] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.922662][ T8452] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.985442][ T8452] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 72.047092][ T8441] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.064649][ T8447] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.081433][ T8452] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 72.115958][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.124201][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.131720][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.139445][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.147061][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.155824][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.164408][ T3235] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.171467][ T3235] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.179143][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.197760][ T8439] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.215677][ T8452] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 72.247936][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.257261][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.265887][ T2969] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.272911][ T2969] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.281426][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.290388][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.298704][ T2969] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.305761][ T2969] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.315319][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.323054][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.331510][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.339861][ T2969] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.346906][ T2969] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.379411][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.387906][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.396663][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.406828][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.415496][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.422856][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.430623][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.439271][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.448232][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.474281][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.482466][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.491731][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.500897][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.509912][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.521257][ T8441] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.533622][ T8450] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.555258][ T8447] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.576138][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.587655][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.595948][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.605204][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.614332][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.622483][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.631471][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.643086][ T8450] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.663395][ T8445] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.677007][ T8445] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.697830][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.706097][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.715152][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.723315][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.731632][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.740113][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.748438][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.757222][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.788484][ T8439] device veth0_vlan entered promiscuous mode [ 72.806515][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.815533][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.825190][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.833573][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.842539][ T2969] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.849630][ T2969] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.858116][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.866284][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.874573][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.882970][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.891426][ T2969] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.898497][ T2969] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.912343][ T8452] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.936692][ T8441] device veth0_vlan entered promiscuous mode [ 72.943204][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.951238][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.960522][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.968766][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.978431][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.987658][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.996013][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.004614][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.012174][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.027134][ T8439] device veth1_vlan entered promiscuous mode [ 73.044772][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.052639][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.064088][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.071443][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.079874][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.087679][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.096747][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.106684][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.126766][ T8445] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.136888][ T8452] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.151843][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.160214][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.168694][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.176212][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.185020][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.193190][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.201557][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.213529][ T8441] device veth1_vlan entered promiscuous mode [ 73.230025][ T8447] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.241011][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.250849][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.259181][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.267486][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.285754][ T8450] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.324083][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.332800][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.342750][ T2977] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.349849][ T2977] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.358900][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.367418][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.377053][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.386821][ T2977] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.393915][ T2977] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.411118][ T8450] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.482541][ T8445] device veth0_vlan entered promiscuous mode [ 73.520912][ T8445] device veth1_vlan entered promiscuous mode [ 178.443702][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 178.450583][ C0] rcu: 0-...!: (10499 ticks this GP) idle=5a6/1/0x4000000000000002 softirq=13894/13894 fqs=3 [ 178.461067][ C0] (t=10500 jiffies g=6893 q=319) [ 178.466084][ C0] rcu: rcu_preempt kthread starved for 10493 jiffies! g6893 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 178.477254][ C0] rcu: RCU grace-period kthread stack dump: [ 178.483131][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 178.491018][ C0] Call Trace: [ 178.494306][ C0] __schedule+0x9a0/0xcc0 [ 178.498637][ C0] schedule+0x181/0x210 [ 178.502789][ C0] schedule_timeout+0x14f/0x240 [ 178.507633][ C0] ? run_local_timers+0x120/0x120 [ 178.512652][ C0] rcu_gp_kthread+0xed8/0x1770 [ 178.517422][ C0] kthread+0x332/0x350 [ 178.521478][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 178.526580][ C0] ? kthread_blkcg+0xe0/0xe0 [ 178.531204][ C0] ret_from_fork+0x24/0x30 [ 178.535633][ C0] NMI backtrace for cpu 0 [ 178.539966][ C0] CPU: 0 PID: 8457 Comm: kworker/u4:1 Not tainted 5.5.0-rc5-syzkaller #0 [ 178.548363][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.558413][ C0] Call Trace: [ 178.561687][ C0] [ 178.564537][ C0] dump_stack+0x1fb/0x318 [ 178.568865][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 178.573703][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 178.579851][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 178.585908][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 178.591882][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 178.597855][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 178.602966][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 178.608162][ C0] ? trace_hardirqs_off+0x74/0x80 [ 178.613196][ C0] update_process_times+0x12d/0x180 [ 178.618386][ C0] tick_sched_timer+0x263/0x420 [ 178.623227][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 178.628765][ C0] __hrtimer_run_queues+0x403/0x840 [ 178.633970][ C0] hrtimer_interrupt+0x38c/0xda0 [ 178.638916][ C0] ? debug_smp_processor_id+0x9/0x20 [ 178.644197][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 178.649735][ C0] apic_timer_interrupt+0xf/0x20 [ 178.654658][ C0] [ 178.657606][ C0] RIP: 0010:__memcg_kmem_uncharge+0x0/0x1a0 [ 178.663493][ C0] Code: 00 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 [ 178.683085][ C0] RSP: 0018:ffffc90002047e38 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 178.691485][ C0] RAX: ffffffff81489244 RBX: ffffea0002511d80 RCX: ffff888092856480 [ 178.699444][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002511d80 [ 178.707408][ C0] RBP: ffffc90002047e78 R08: 000000000003a728 R09: ffffed10125f92f9 [ 178.715369][ C0] R10: ffffed10125f92f9 R11: 0000000000000000 R12: ffff888092304320 [ 178.723334][ C0] R13: dffffc0000000000 R14: 1ffff11012460864 R15: ffff888092fc97b8 [ 178.731306][ C0] ? free_thread_stack+0x124/0x590 [ 178.736412][ C0] ? free_thread_stack+0x12e/0x590 [ 178.741516][ C0] put_task_stack+0xa3/0x130 [ 178.746099][ C0] finish_task_switch+0x3f1/0x550 [ 178.751125][ C0] ? proc_cap_handler+0x450/0x450 [ 178.756152][ C0] schedule_tail+0x20/0x1a0 [ 178.760659][ C0] ? proc_cap_handler+0x450/0x450 [ 178.765683][ C0] ret_from_fork+0x8/0x30