[ 42.706969][ T26] audit: type=1800 audit(1575349765.268:27): pid=8018 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.752751][ T26] audit: type=1800 audit(1575349765.268:28): pid=8018 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. [ 43.337054][ T26] audit: type=1800 audit(1575349765.938:29): pid=8018 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 43.367024][ T26] audit: type=1800 audit(1575349765.958:30): pid=8018 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.252' (ECDSA) to the list of known hosts. 2019/12/03 05:09:32 fuzzer started 2019/12/03 05:09:33 dialing manager at 10.128.0.26:38907 2019/12/03 05:09:33 syscalls: 2697 2019/12/03 05:09:33 code coverage: enabled 2019/12/03 05:09:33 comparison tracing: enabled 2019/12/03 05:09:33 extra coverage: extra coverage is not supported by the kernel 2019/12/03 05:09:33 setuid sandbox: enabled 2019/12/03 05:09:33 namespace sandbox: enabled 2019/12/03 05:09:33 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 05:09:33 fault injection: enabled 2019/12/03 05:09:33 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 05:09:33 net packet injection: enabled 2019/12/03 05:09:33 net device setup: enabled 2019/12/03 05:09:33 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 05:09:33 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:09:34 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) openat$dir(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x29b30e782a7f2b0b, 0x0) 05:09:35 executing program 1: lsetxattr$trusted_overlay_opaque(0x0, 0x0, 0x0, 0xfffffffffffffc88, 0x0) r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 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, @perf_config_ext={0x7940000000000, 0x400000000000000}, 0x1010}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sched_setattr(0x0, 0x0, 0x0) fremovexattr(r0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) setsockopt$SO_RDS_TRANSPORT(0xffffffffffffffff, 0x114, 0x8, 0x0, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r1, 0x6, 0x10000000013, &(0x7f0000d06000)=0x1, 0x32a) connect$inet(r1, &(0x7f0000000140)={0x2, 0x0, @local}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_QUEUE(r1, 0x6, 0x14, &(0x7f0000000200)=0x2, 0x4) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r1, 0x6, 0x16, 0x0, 0x0) sendmmsg(r1, &(0x7f0000000180)=[{{0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000340)}, {&(0x7f0000000400)="48af8de194a89f920534c863164251dfba1c4e8088fa05fa4a1cd5b6e4ee35fec0afa41862d00d379442ee8aadc6914fe3015133712ebbca148e77473225323ab45b", 0x42}, {&(0x7f0000000480)}, {0x0}, {0x0}], 0x5}}], 0x1, 0x44080) close(r1) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(0xffffffffffffffff, 0x6, 0x16, &(0x7f00000000c0)=[@mss, @timestamp, @window, @sack_perm], 0x20000000000003af) setsockopt$inet_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, 0x0, 0x0) bind$pptp(0xffffffffffffffff, 0x0, 0x0) syzkaller login: [ 52.525394][ T8183] IPVS: ftp: loaded support on port[0] = 21 [ 52.563936][ T8185] IPVS: ftp: loaded support on port[0] = 21 05:09:35 executing program 2: socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = semget$private(0x0, 0x1, 0x0) semop(r1, &(0x7f0000000140)=[{0x0, 0x3}], 0x1) semop(r1, &(0x7f0000000000)=[{}], 0x1) semop(r1, &(0x7f0000000080)=[{0x0, 0xfffd}], 0x1) [ 52.760165][ T8183] chnl_net:caif_netlink_parms(): no params data found [ 52.833607][ T8185] chnl_net:caif_netlink_parms(): no params data found [ 52.884889][ T8183] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.905474][ T8183] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.914906][ T8183] device bridge_slave_0 entered promiscuous mode 05:09:35 executing program 3: unshare(0x20400) socketpair$unix(0x1, 0x4004000000005, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$sock_FIOGETOWN(r0, 0x8982, 0x0) [ 52.936201][ T8190] IPVS: ftp: loaded support on port[0] = 21 [ 52.962204][ T8183] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.970476][ T8183] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.980809][ T8183] device bridge_slave_1 entered promiscuous mode [ 52.990932][ T8185] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.998624][ T8185] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.017137][ T8185] device bridge_slave_0 entered promiscuous mode [ 53.036254][ T8185] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.057116][ T8185] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.065100][ T8185] device bridge_slave_1 entered promiscuous mode [ 53.116399][ T8183] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.140181][ T8185] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.160540][ T8183] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.178440][ T8185] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.214065][ T8193] IPVS: ftp: loaded support on port[0] = 21 [ 53.234925][ T8183] team0: Port device team_slave_0 added [ 53.246574][ T8185] team0: Port device team_slave_0 added 05:09:35 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000040)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_LINKINFO={0x1c, 0x12, @bridge={{0xc, 0x1, 'bridge\x00'}, {0xc, 0x2, [@IFLA_BR_STP_STATE={0x8, 0x5, 0x1}]}}}]}, 0x3c}}, 0x0) r3 = socket(0x10, 0x80002, 0x0) r4 = socket(0x10, 0x803, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0xfffffffffffffeb7, &(0x7f0000000080)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r5}, [@IFLA_LINKINFO={0x1c, 0x12, @bridge={{0xc, 0x1, 'bridge\x00'}, {0xc, 0x2, [@IFLA_BR_STP_STATE={0x8}]}}}]}, 0x3c}}, 0x0) sendmmsg$alg(r3, &(0x7f0000000180)=[{0x2, 0x1000000000000, &(0x7f0000000080), 0xe, &(0x7f0000000100)}], 0x492492492492642, 0x0) [ 53.259276][ T8185] team0: Port device team_slave_1 added [ 53.274541][ T8183] team0: Port device team_slave_1 added [ 53.350508][ T8185] device hsr_slave_0 entered promiscuous mode [ 53.407805][ T8185] device hsr_slave_1 entered promiscuous mode 05:09:36 executing program 5: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r2, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r1, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) dup2(r0, r2) r3 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r3, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) [ 53.499450][ T8183] device hsr_slave_0 entered promiscuous mode [ 53.537449][ T8183] device hsr_slave_1 entered promiscuous mode [ 53.579185][ T8183] debugfs: Directory 'hsr0' with parent '/' already present! [ 53.594973][ T8195] IPVS: ftp: loaded support on port[0] = 21 [ 53.595123][ T8197] IPVS: ftp: loaded support on port[0] = 21 [ 53.714139][ T8185] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 53.759286][ T8190] chnl_net:caif_netlink_parms(): no params data found [ 53.772479][ T8183] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.831341][ T8183] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.889587][ T8183] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.935934][ T8185] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 54.000232][ T8185] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 54.061899][ T8185] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 54.121134][ T8183] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.183576][ T8190] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.191418][ T8190] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.200105][ T8190] device bridge_slave_0 entered promiscuous mode [ 54.233405][ T8190] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.241066][ T8190] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.249094][ T8190] device bridge_slave_1 entered promiscuous mode [ 54.284821][ T8190] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.298953][ T8190] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.344508][ T8193] chnl_net:caif_netlink_parms(): no params data found [ 54.402823][ T8197] chnl_net:caif_netlink_parms(): no params data found [ 54.415255][ T8190] team0: Port device team_slave_0 added [ 54.429178][ T8195] chnl_net:caif_netlink_parms(): no params data found [ 54.462696][ T8190] team0: Port device team_slave_1 added [ 54.529871][ T8190] device hsr_slave_0 entered promiscuous mode [ 54.567199][ T8190] device hsr_slave_1 entered promiscuous mode [ 54.606856][ T8190] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.644091][ T8193] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.652789][ T8193] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.661312][ T8193] device bridge_slave_0 entered promiscuous mode [ 54.689039][ T8197] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.696241][ T8197] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.704834][ T8197] device bridge_slave_0 entered promiscuous mode [ 54.712683][ T8193] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.721676][ T8193] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.730142][ T8193] device bridge_slave_1 entered promiscuous mode [ 54.761411][ T8197] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.769221][ T8197] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.777258][ T8197] device bridge_slave_1 entered promiscuous mode [ 54.798129][ T8197] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.820276][ T8190] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 54.885593][ T8195] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.893146][ T8195] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.901155][ T8195] device bridge_slave_0 entered promiscuous mode [ 54.911054][ T8197] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.928598][ T8185] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.937330][ T8193] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.947639][ T8190] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 55.009178][ T8190] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 55.059033][ T8195] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.066467][ T8195] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.074755][ T8195] device bridge_slave_1 entered promiscuous mode [ 55.093804][ T8193] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.107418][ T8190] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 55.168328][ T8183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.181221][ T3077] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.190632][ T3077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.200994][ T8197] team0: Port device team_slave_0 added [ 55.210344][ T8195] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.222496][ T8193] team0: Port device team_slave_0 added [ 55.232186][ T8193] team0: Port device team_slave_1 added [ 55.240041][ T8185] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.252403][ T8197] team0: Port device team_slave_1 added [ 55.260297][ T8195] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.319745][ T8193] device hsr_slave_0 entered promiscuous mode [ 55.367473][ T8193] device hsr_slave_1 entered promiscuous mode [ 55.407071][ T8193] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.434461][ T3077] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.442559][ T3077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.452602][ T3077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.461381][ T3077] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.470717][ T3077] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.478052][ T3077] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.486165][ T3077] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.495906][ T3077] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.504356][ T3077] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.511546][ T3077] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.519477][ T3077] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.541874][ T8195] team0: Port device team_slave_0 added [ 55.549598][ T8195] team0: Port device team_slave_1 added [ 55.557461][ T8183] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.629850][ T8197] device hsr_slave_0 entered promiscuous mode [ 55.677211][ T8197] device hsr_slave_1 entered promiscuous mode [ 55.716871][ T8197] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.739820][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.748513][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.757150][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.765925][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.774814][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.832865][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.842830][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.852497][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.859701][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.868156][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.876738][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.885022][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.892624][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.900400][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.909249][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.918168][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.927089][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.935424][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.944511][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.952918][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.961272][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.969504][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.977860][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.992491][ T8193] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 56.043054][ T8193] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 56.112318][ T8183] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.124431][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.133473][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.143780][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.152500][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.208723][ T8195] device hsr_slave_0 entered promiscuous mode [ 56.258162][ T8195] device hsr_slave_1 entered promiscuous mode [ 56.316843][ T8195] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.324599][ T8193] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 56.383873][ T8193] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 56.424363][ T8197] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 56.470777][ T8197] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 56.509164][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.518442][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.527904][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.536279][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.566559][ T8183] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.577773][ T8197] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 56.610684][ T8197] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 56.668801][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.676515][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.704546][ T8185] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.724239][ T8195] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 56.769637][ T8195] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 56.819443][ T8195] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 56.874946][ T8195] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 56.978552][ T8190] 8021q: adding VLAN 0 to HW filter on device bond0 [ 162.016662][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 162.023665][ C1] (detected by 1, t=10502 jiffies, g=6121, q=82) [ 162.030067][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953349-4294942846), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 162.043407][ C1] rcu_preempt R running task 29032 10 2 0x80004008 [ 162.051380][ C1] Call Trace: [ 162.054650][ C1] [ 162.057497][ C1] sched_show_task+0x40f/0x560 [ 162.062254][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 162.067530][ C1] update_process_times+0x12d/0x180 [ 162.072714][ C1] tick_sched_timer+0x263/0x420 [ 162.077547][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 162.083090][ C1] __hrtimer_run_queues+0x403/0x840 [ 162.088285][ C1] hrtimer_interrupt+0x38c/0xda0 [ 162.093234][ C1] ? debug_smp_processor_id+0x9/0x20 [ 162.098508][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 162.104042][ C1] apic_timer_interrupt+0xf/0x20 [ 162.108961][ C1] [ 162.111885][ C1] RIP: 0010:mod_memcg_page_state+0x3d/0x190 [ 162.117764][ C1] Code: 28 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 80 3c 20 00 74 08 48 89 df e8 b6 9f 69 00 48 8b 1b <48> 85 db 0f 84 d8 00 00 00 48 c7 c0 20 96 0a 89 48 c1 e8 03 42 80 [ 162.137351][ C1] RSP: 0018:ffffc90000d0fc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 162.145746][ C1] RAX: 1ffffd40005497ef RBX: 0000000000000000 RCX: ffff8880a9de8280 [ 162.153705][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a4bf40 [ 162.161664][ C1] RBP: ffffc90000d0fc38 R08: 000000000003a768 R09: ffffed1014f256c7 [ 162.169623][ C1] R10: ffffed1014f256c7 R11: 0000000000000000 R12: dffffc0000000000 [ 162.177578][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a792b628 [ 162.185548][ C1] ? mod_memcg_page_state+0x16/0x190 [ 162.190822][ C1] free_thread_stack+0x168/0x590 [ 162.195749][ C1] put_task_stack+0xa3/0x130 [ 162.200324][ C1] finish_task_switch+0x3f1/0x550 [ 162.205341][ C1] __schedule+0x9a8/0xcc0 [ 162.209664][ C1] schedule+0x181/0x210 [ 162.213806][ C1] schedule_timeout+0x14f/0x240 [ 162.218639][ C1] ? run_local_timers+0x120/0x120 [ 162.223675][ C1] rcu_gp_kthread+0xed8/0x1770 [ 162.228457][ C1] kthread+0x332/0x350 [ 162.232540][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 162.237647][ C1] ? kthread_blkcg+0xe0/0xe0 [ 162.242234][ C1] ret_from_fork+0x24/0x30 [ 162.246656][ C1] rcu: rcu_preempt kthread starved for 10524 jiffies! g6121 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 162.257739][ C1] rcu: RCU grace-period kthread stack dump: [ 162.263619][ C1] rcu_preempt R running task 29032 10 2 0x80004008 [ 162.271516][ C1] Call Trace: [ 162.274784][ C1] [ 162.277633][ C1] sched_show_task+0x40f/0x560 [ 162.282389][ C1] rcu_check_gp_kthread_starvation+0x170/0x1b0 [ 162.288530][ C1] rcu_sched_clock_irq+0x17d3/0x1ad0 [ 162.293808][ C1] update_process_times+0x12d/0x180 [ 162.298994][ C1] tick_sched_timer+0x263/0x420 [ 162.303833][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 162.309369][ C1] __hrtimer_run_queues+0x403/0x840 [ 162.314567][ C1] hrtimer_interrupt+0x38c/0xda0 [ 162.319506][ C1] ? debug_smp_processor_id+0x9/0x20 [ 162.324779][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 162.330397][ C1] apic_timer_interrupt+0xf/0x20 [ 162.335316][ C1] [ 162.338241][ C1] RIP: 0010:mod_memcg_page_state+0x3d/0x190 [ 162.344124][ C1] Code: 28 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 80 3c 20 00 74 08 48 89 df e8 b6 9f 69 00 48 8b 1b <48> 85 db 0f 84 d8 00 00 00 48 c7 c0 20 96 0a 89 48 c1 e8 03 42 80 [ 162.363735][ C1] RSP: 0018:ffffc90000d0fc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 162.372140][ C1] RAX: 1ffffd40005497ef RBX: 0000000000000000 RCX: ffff8880a9de8280 [ 162.380108][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a4bf40 [ 162.388065][ C1] RBP: ffffc90000d0fc38 R08: 000000000003a768 R09: ffffed1014f256c7 [ 162.396021][ C1] R10: ffffed1014f256c7 R11: 0000000000000000 R12: dffffc0000000000 [ 162.403974][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a792b628 [ 162.411946][ C1] ? mod_memcg_page_state+0x16/0x190 [ 162.417216][ C1] free_thread_stack+0x168/0x590 [ 162.422171][ C1] put_task_stack+0xa3/0x130 [ 162.426759][ C1] finish_task_switch+0x3f1/0x550 [ 162.431804][ C1] __schedule+0x9a8/0xcc0 [ 162.436139][ C1] schedule+0x181/0x210 [ 162.440300][ C1] schedule_timeout+0x14f/0x240 [ 162.445150][ C1] ? run_local_timers+0x120/0x120 [ 162.450171][ C1] rcu_gp_kthread+0xed8/0x1770 [ 162.454933][ C1] kthread+0x332/0x350 [ 162.458989][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 162.464087][ C1] ? kthread_blkcg+0xe0/0xe0 [ 162.468667][ C1] ret_from_fork+0x24/0x30