[ 48.215950][ T27] audit: type=1800 audit(1578461105.590:25): pid=8275 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.241607][ T27] audit: type=1800 audit(1578461105.590:26): pid=8275 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.288655][ T27] audit: type=1800 audit(1578461105.590:27): pid=8275 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 48.329332][ T27] audit: type=1800 audit(1578461105.590:28): pid=8275 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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 '10.128.0.86' (ECDSA) to the list of known hosts. 2020/01/08 05:25:16 fuzzer started 2020/01/08 05:25:18 dialing manager at 10.128.0.26:35703 2020/01/08 05:25:18 syscalls: 2824 2020/01/08 05:25:18 code coverage: enabled 2020/01/08 05:25:18 comparison tracing: enabled 2020/01/08 05:25:18 extra coverage: enabled 2020/01/08 05:25:18 setuid sandbox: enabled 2020/01/08 05:25:18 namespace sandbox: enabled 2020/01/08 05:25:18 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 05:25:18 fault injection: enabled 2020/01/08 05:25:18 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 05:25:18 net packet injection: enabled 2020/01/08 05:25:18 net device setup: enabled 2020/01/08 05:25:18 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 05:25:18 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:25:19 executing program 0: pipe(&(0x7f0000000040)={0xffffffffffffffff}) r1 = memfd_create(&(0x7f00000000c0)='#em1#+\x00', 0x0) splice(r0, 0x0, r1, &(0x7f0000000100)=0xfffffffffffff9d9, 0x400000000003, 0x0) 05:25:20 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000380)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xd) ioctl$TCSETA(r0, 0x5412, &(0x7f0000000040)) ioctl$FIONREAD(r0, 0x541b, &(0x7f0000000000)) syzkaller login: [ 62.768752][ T8442] IPVS: ftp: loaded support on port[0] = 21 [ 62.781148][ T8444] IPVS: ftp: loaded support on port[0] = 21 05:25:20 executing program 2: r0 = socket$inet6(0xa, 0x80801, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @dev, 0x5}, 0x1c) io_setup(0x7, &(0x7f0000000240)=0x0) io_submit(r1, 0x1, &(0x7f0000000040)=[&(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, r0, 0x0}]) [ 63.006826][ T8446] IPVS: ftp: loaded support on port[0] = 21 05:25:20 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) unshare(0x24000c00) [ 63.048505][ T8444] chnl_net:caif_netlink_parms(): no params data found [ 63.076356][ T8442] chnl_net:caif_netlink_parms(): no params data found [ 63.229092][ T8444] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.238015][ T8444] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.248229][ T8444] device bridge_slave_0 entered promiscuous mode [ 63.257022][ T8442] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.266850][ T8442] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.275178][ T8442] device bridge_slave_0 entered promiscuous mode [ 63.287116][ T8442] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.294841][ T8442] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.304964][ T8442] device bridge_slave_1 entered promiscuous mode [ 63.319180][ T8444] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.329454][ T8444] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.337934][ T8444] device bridge_slave_1 entered promiscuous mode [ 63.390216][ T8450] IPVS: ftp: loaded support on port[0] = 21 [ 63.396499][ T8444] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.407435][ T8442] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.424307][ T8446] chnl_net:caif_netlink_parms(): no params data found 05:25:20 executing program 4: unshare(0x600) r0 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dlm_plock\x00', 0x200041, 0x0) fchmod(r0, 0x0) [ 63.436180][ T8444] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.456723][ T8442] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.485854][ T8444] team0: Port device team_slave_0 added [ 63.535292][ T8444] team0: Port device team_slave_1 added [ 63.626113][ T8444] device hsr_slave_0 entered promiscuous mode 05:25:21 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000140)=@can_delroute={0x34, 0x19, 0x609, 0x0, 0x0, {}, [@CGW_MOD_SET={0x18, 0x4, {{{}, 0x0, 0x0, 0x0, 0x0, "efea6c25c962f5b9"}, 0x3}}, @CGW_CS_XOR={0x8, 0x5, {0x0, 0x0, 0x8}}]}, 0x34}}, 0x0) [ 63.723651][ T8444] device hsr_slave_1 entered promiscuous mode [ 63.773864][ T8442] team0: Port device team_slave_0 added [ 63.799767][ T8446] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.809560][ T8454] IPVS: ftp: loaded support on port[0] = 21 [ 63.809908][ T8446] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.832625][ T8446] device bridge_slave_0 entered promiscuous mode [ 63.841150][ T8442] team0: Port device team_slave_1 added [ 63.865149][ T8446] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.874057][ T8446] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.881733][ T8446] device bridge_slave_1 entered promiscuous mode [ 63.910751][ T8456] IPVS: ftp: loaded support on port[0] = 21 [ 63.983315][ T8442] device hsr_slave_0 entered promiscuous mode [ 64.021927][ T8442] device hsr_slave_1 entered promiscuous mode [ 64.061735][ T8442] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.069453][ T8442] Cannot create hsr debugfs directory [ 64.141299][ T8446] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.154862][ T8446] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.202438][ T8446] team0: Port device team_slave_0 added [ 64.218429][ T8450] chnl_net:caif_netlink_parms(): no params data found [ 64.251327][ T8446] team0: Port device team_slave_1 added [ 64.323308][ T8446] device hsr_slave_0 entered promiscuous mode [ 64.371938][ T8446] device hsr_slave_1 entered promiscuous mode [ 64.421799][ T8446] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.429404][ T8446] Cannot create hsr debugfs directory [ 64.437982][ T8444] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.485107][ T8444] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.534921][ T8444] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.608663][ T8444] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.733681][ T8450] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.740764][ T8450] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.749299][ T8450] device bridge_slave_0 entered promiscuous mode [ 64.761419][ T8450] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.768931][ T8450] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.777301][ T8450] device bridge_slave_1 entered promiscuous mode [ 64.786310][ T8442] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.893315][ T8450] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.905528][ T8442] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.955984][ T8442] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.047553][ T8450] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.065799][ T8442] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.150519][ T8454] chnl_net:caif_netlink_parms(): no params data found [ 65.192409][ T8450] team0: Port device team_slave_0 added [ 65.209896][ T8450] team0: Port device team_slave_1 added [ 65.241299][ T8454] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.250302][ T8454] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.258110][ T8454] device bridge_slave_0 entered promiscuous mode [ 65.265668][ T8456] chnl_net:caif_netlink_parms(): no params data found [ 65.283336][ T8446] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.325240][ T8446] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.394388][ T8454] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.401471][ T8454] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.409285][ T8454] device bridge_slave_1 entered promiscuous mode [ 65.435673][ T8446] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.544104][ T8450] device hsr_slave_0 entered promiscuous mode [ 65.582159][ T8450] device hsr_slave_1 entered promiscuous mode [ 65.621764][ T8450] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.629858][ T8450] Cannot create hsr debugfs directory [ 65.637321][ T8454] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.647332][ T8446] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.699979][ T8444] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.720587][ T8454] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.761151][ T8456] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.769235][ T8456] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.781426][ T8456] device bridge_slave_0 entered promiscuous mode [ 65.796565][ T8444] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.815142][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.824387][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.832803][ T8456] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.840029][ T8456] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.848330][ T8456] device bridge_slave_1 entered promiscuous mode [ 65.878174][ T8454] team0: Port device team_slave_0 added [ 65.887645][ T8454] team0: Port device team_slave_1 added [ 65.896468][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.905869][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.914857][ T3108] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.922068][ T3108] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.929948][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.938877][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.947510][ T3108] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.954631][ T3108] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.963965][ T8456] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.975646][ T8456] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.008072][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.019035][ T8456] team0: Port device team_slave_0 added [ 66.028886][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.058463][ T8456] team0: Port device team_slave_1 added [ 66.076774][ T8442] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.123690][ T8454] device hsr_slave_0 entered promiscuous mode [ 66.162609][ T8454] device hsr_slave_1 entered promiscuous mode [ 66.201847][ T8454] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.209447][ T8454] Cannot create hsr debugfs directory [ 66.233575][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.294307][ T8456] device hsr_slave_0 entered promiscuous mode [ 66.362514][ T8456] device hsr_slave_1 entered promiscuous mode [ 66.401869][ T8456] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.409483][ T8456] Cannot create hsr debugfs directory [ 66.435471][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.446576][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.477079][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.485264][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.494191][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.502696][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.510284][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.533420][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.542507][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.550956][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.559804][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.571372][ T8450] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.624802][ T8450] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 66.665388][ T8450] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 66.724992][ T8442] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.736879][ T8450] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 66.769266][ T8444] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.790513][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.800056][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.808830][ T2891] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.815929][ T2891] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.844409][ T8446] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.870517][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.879741][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.889509][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.898383][ T2894] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.905491][ T2894] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.913644][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.922362][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.930583][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.938157][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.946643][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.956040][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.975781][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.992660][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.001249][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.021264][ T8454] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 67.071202][ T8446] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.094431][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.103785][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.111507][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.120336][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.129260][ T2894] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.136361][ T2894] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.144323][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.152891][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.161303][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.170085][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.178373][ T2894] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.185459][ T2894] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.193440][ T8454] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.255793][ T8444] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.268635][ T8456] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 67.324793][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.333314][ T8454] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 67.376578][ T8442] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.401007][ T8456] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 67.427309][ T8454] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 67.463585][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.473091][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.481243][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.489951][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.523518][ T8456] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 67.564790][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.574257][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.582910][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.591327][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.600336][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.610761][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.619569][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.628792][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.637337][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.645905][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.654657][ T2891] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.667876][ T8450] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.683630][ T8456] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 67.721238][ T8444] device veth0_vlan entered promiscuous mode [ 67.728456][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.736727][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.746255][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.753937][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.762013][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.770403][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.789822][ T8442] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.798935][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.807027][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.822412][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.836137][ T8444] device veth1_vlan entered promiscuous mode [ 67.858547][ T8450] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.879336][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.888697][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.897351][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.906091][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.915193][ T2894] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.922308][ T2894] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.957682][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.966274][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.975907][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.986504][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.996699][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.005673][ T2868] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.012795][ T2868] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.021285][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.030851][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.047679][ T8442] device veth0_vlan entered promiscuous mode [ 68.066155][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.075942][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.085086][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.094950][ T2899] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.155105][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.171778][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.179594][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.188963][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.197089][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 173.151571][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 173.159918][ C1] rcu: 1-...!: (10499 ticks this GP) idle=496/1/0x4000000000000002 softirq=13640/13640 fqs=3 [ 173.171428][ C1] (t=10501 jiffies g=6669 q=94) [ 173.176576][ C1] rcu: rcu_preempt kthread starved for 10496 jiffies! g6669 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 173.188794][ C1] rcu: RCU grace-period kthread stack dump: [ 173.195258][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 173.203391][ C1] Call Trace: [ 173.206762][ C1] __schedule+0x9a0/0xcc0 [ 173.211903][ C1] schedule+0x181/0x210 [ 173.216285][ C1] schedule_timeout+0x14f/0x240 [ 173.221141][ C1] ? run_local_timers+0x120/0x120 [ 173.226326][ C1] rcu_gp_kthread+0xed8/0x1770 [ 173.231501][ C1] kthread+0x332/0x350 [ 173.235667][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 173.240890][ C1] ? kthread_blkcg+0xe0/0xe0 [ 173.245774][ C1] ret_from_fork+0x24/0x30 [ 173.253478][ C1] NMI backtrace for cpu 1 [ 173.258992][ C1] CPU: 1 PID: 2894 Comm: kworker/1:14 Not tainted 5.5.0-rc5-syzkaller #0 [ 173.267562][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.277979][ C1] Workqueue: rcu_gp process_srcu [ 173.283118][ C1] Call Trace: [ 173.287114][ C1] [ 173.291185][ C1] dump_stack+0x1fb/0x318 [ 173.297385][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 173.303761][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 173.310443][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 173.319603][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 173.326379][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 173.332555][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 173.338074][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 173.343381][ C1] ? trace_hardirqs_off+0x74/0x80 [ 173.349129][ C1] update_process_times+0x12d/0x180 [ 173.354913][ C1] tick_sched_timer+0x263/0x420 [ 173.361210][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 173.367095][ C1] __hrtimer_run_queues+0x403/0x840 [ 173.373384][ C1] hrtimer_interrupt+0x38c/0xda0 [ 173.379844][ C1] ? debug_smp_processor_id+0x9/0x20 [ 173.386658][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 173.393232][ C1] apic_timer_interrupt+0xf/0x20 [ 173.398583][ C1] [ 173.401636][ C1] RIP: 0010:__memcg_kmem_uncharge+0x6/0x1a0 [ 173.407543][ C1] Code: 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 00 00 00 fc ff [ 173.428468][ C1] RSP: 0018:ffffc90008767940 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 173.437272][ C1] RAX: ffffffff81489244 RBX: ffffea0002936400 RCX: ffff88809e9de200 [ 173.445588][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002936400 [ 173.453828][ C1] RBP: ffffc90008767948 R08: 000000000003a728 R09: fffffbfff124248a [ 173.462152][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a9680da0 [ 173.472595][ C1] R13: dffffc0000000000 R14: 1ffff110152d01b4 R15: ffff8880930fd878 [ 173.482346][ C1] ? free_thread_stack+0x124/0x590 [ 173.487556][ C1] free_thread_stack+0x12e/0x590 [ 173.495288][ C1] put_task_stack+0xa3/0x130 [ 173.500940][ C1] finish_task_switch+0x3f1/0x550 [ 173.506247][ C1] __schedule+0x9a8/0xcc0 [ 173.510627][ C1] ? ___preempt_schedule+0x16/0x18 [ 173.516030][ C1] preempt_schedule+0xdb/0x120 [ 173.521233][ C1] ___preempt_schedule+0x16/0x18 [ 173.526406][ C1] ? check_preemption_disabled+0x37/0x260 [ 173.532459][ C1] delay_tsc+0xe9/0xf0 [ 173.536586][ C1] __const_udelay+0x5e/0x70 [ 173.541182][ C1] try_check_zero+0x6e/0x380 [ 173.546217][ C1] process_srcu+0x1b7/0xd20 [ 173.551483][ C1] process_one_work+0x7ef/0x10d0 [ 173.557117][ C1] worker_thread+0xc01/0x1630 [ 173.562721][ C1] kthread+0x332/0x350 [ 173.567648][ C1] ? rcu_lock_release+0x30/0x30 [ 173.572528][ C1] ? kthread_blkcg+0xe0/0xe0 [ 173.577130][ C1] ret_from_fork+0x24/0x30