[ 42.839928][ T23] audit: type=1800 audit(1575431804.405:26): pid=8039 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.885931][ T23] audit: type=1800 audit(1575431804.405:27): pid=8039 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.907364][ T23] audit: type=1800 audit(1575431804.405:28): pid=8039 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. [ 43.527340][ T23] audit: type=1800 audit(1575431805.105:29): pid=8039 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.29' (ECDSA) to the list of known hosts. 2019/12/04 03:56:54 fuzzer started 2019/12/04 03:56:56 dialing manager at 10.128.0.26:42111 2019/12/04 03:56:56 syscalls: 2689 2019/12/04 03:56:56 code coverage: enabled 2019/12/04 03:56:56 comparison tracing: enabled 2019/12/04 03:56:56 extra coverage: extra coverage is not supported by the kernel 2019/12/04 03:56:56 setuid sandbox: enabled 2019/12/04 03:56:56 namespace sandbox: enabled 2019/12/04 03:56:56 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 03:56:56 fault injection: enabled 2019/12/04 03:56:56 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 03:56:56 net packet injection: enabled 2019/12/04 03:56:56 net device setup: enabled 2019/12/04 03:56:56 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 03:56:56 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:56:57 executing program 0: r0 = socket$inet6(0xa, 0x40000080806, 0x0) bind$inet6(r0, &(0x7f000047b000)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) r1 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r1, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") listen(r0, 0xb9) r2 = socket$inet6(0xa, 0x6, 0x0) connect$inet6(r2, &(0x7f0000419000)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) close(r2) accept4(r0, 0x0, 0x0, 0x0) close(r2) 03:56:57 executing program 1: sendmsg(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000000c0)="2f0000001c0005c5ffffff000d000000020000000b000000ec0091c91300", 0x1e}], 0x1}, 0x0) r0 = socket(0x10, 0x80002, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) write(0xffffffffffffffff, &(0x7f00000000c0)="2400000058001f03ff07f4f9002304000a04f511080001", 0x17) sendmmsg$alg(r0, &(0x7f0000000140)=[{0x6, 0x0, &(0x7f0000000100), 0x6, &(0x7f0000000100)}], 0x492492492492805, 0x0) syzkaller login: [ 56.003394][ T8204] IPVS: ftp: loaded support on port[0] = 21 [ 56.100570][ T8206] IPVS: ftp: loaded support on port[0] = 21 [ 56.139373][ T8204] chnl_net:caif_netlink_parms(): no params data found 03:56:57 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) timer_create(0x3, &(0x7f0000000180)={0x0, 0x12, 0x1, @thr={&(0x7f0000000000)="af672f305e2959ddd6d11c1fb69b419a334c5e854d21149930a830b786cf8fe0324d1961373455063d86d45a80608cb132fc948c05090190395d433fe2a265d96d44c0833329f4e4e0566b", &(0x7f00000000c0)="cff6d9b5fdd799ad75d96996bc693a8ad5d7ab778ff3cbc4858746ce803af2f17b53b47b14a41543ce8715cc241b41069e95137a8b5df45c729d5dcd4cd0683fb105e6006e716435a84c7aeb6d4badbbe70467f0e230d8753542ee4e3730fba69de146eea5cd0d2cdb55cf19823a3c489ea07860e76b4a45b647e060bb656267fe6ae3d0915de19acfd1b4807e4fe816756fd5e1fa0469ab56d77368dfc0f3784e15bd"}}, &(0x7f00000001c0)=0x0) timer_settime(r0, 0x0, &(0x7f0000000200)={{0x0, 0x1c9c380}, {0x77359400}}, &(0x7f00000002c0)) clone(0x2102001ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) getpid() socket$nl_route(0x10, 0x3, 0x0) r1 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000240)='/dev/urandom\x00', 0x0, 0x0) ioctl$RNDADDENTROPY(r1, 0x40085203, &(0x7f0000000280)={0x10001}) [ 56.209533][ T8204] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.217345][ T8204] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.225662][ T8204] device bridge_slave_0 entered promiscuous mode [ 56.236448][ T8204] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.243639][ T8204] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.251729][ T8204] device bridge_slave_1 entered promiscuous mode [ 56.277469][ T8204] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.311631][ T8204] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.362482][ T8204] team0: Port device team_slave_0 added [ 56.381826][ T8204] team0: Port device team_slave_1 added 03:56:58 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000000)) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffe, 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) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x10003, 0x80011, r2, 0x0) r3 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) ioctl$int_in(0xffffffffffffffff, 0x0, 0x0) bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, 0x0, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) prctl$PR_GET_UNALIGN(0x5, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r4, &(0x7f0000000000/0x18000)=nil, 0x0, 0x5caad999, 0x0, 0x0, 0x362) socket(0x0, 0x2, 0x0) write$USERIO_CMD_SET_PORT_TYPE(0xffffffffffffffff, &(0x7f0000000080)={0x1, 0x9}, 0x2) [ 56.502873][ T8204] device hsr_slave_0 entered promiscuous mode [ 56.560238][ T8204] device hsr_slave_1 entered promiscuous mode [ 56.628833][ T8210] IPVS: ftp: loaded support on port[0] = 21 [ 56.703909][ T8206] chnl_net:caif_netlink_parms(): no params data found 03:56:58 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r2, 0x84, 0x14, &(0x7f00000001c0), 0x4) [ 56.761742][ T8204] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.824292][ T8204] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.837709][ T8212] IPVS: ftp: loaded support on port[0] = 21 [ 56.883917][ T8204] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.973329][ T8206] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.985776][ T8206] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.005285][ T8206] device bridge_slave_0 entered promiscuous mode [ 57.014899][ T8206] bridge0: port 2(bridge_slave_1) entered blocking state 03:56:58 executing program 5: r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) bind$bt_sco(r0, &(0x7f0000000000), 0x8) listen(r0, 0x0) setsockopt$bt_BT_DEFER_SETUP(r0, 0x112, 0x7, &(0x7f0000000040), 0x16) [ 57.024312][ T8206] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.032482][ T8206] device bridge_slave_1 entered promiscuous mode [ 57.041345][ T8204] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.135302][ T8214] IPVS: ftp: loaded support on port[0] = 21 [ 57.157599][ T8206] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.192536][ T8206] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.243087][ T8206] team0: Port device team_slave_0 added [ 57.261963][ T8216] IPVS: ftp: loaded support on port[0] = 21 [ 57.288565][ T8206] team0: Port device team_slave_1 added [ 57.299875][ T8210] chnl_net:caif_netlink_parms(): no params data found [ 57.390720][ T8206] device hsr_slave_0 entered promiscuous mode [ 57.449208][ T8206] device hsr_slave_1 entered promiscuous mode [ 57.498936][ T8206] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.551151][ T8212] chnl_net:caif_netlink_parms(): no params data found [ 57.581636][ T8210] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.589555][ T8210] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.597345][ T8210] device bridge_slave_0 entered promiscuous mode [ 57.607034][ T8210] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.614187][ T8210] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.622107][ T8210] device bridge_slave_1 entered promiscuous mode [ 57.632080][ T8206] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.710665][ T8206] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.783183][ T8206] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.843834][ T8206] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.914464][ T8210] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.927185][ T8210] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.985868][ T8210] team0: Port device team_slave_0 added [ 58.028467][ T8204] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.036987][ T8210] team0: Port device team_slave_1 added [ 58.049941][ T8212] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.057012][ T8212] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.066664][ T8212] device bridge_slave_0 entered promiscuous mode [ 58.074140][ T8214] chnl_net:caif_netlink_parms(): no params data found [ 58.109068][ T8212] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.116227][ T8212] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.124125][ T8212] device bridge_slave_1 entered promiscuous mode [ 58.131518][ T8216] chnl_net:caif_netlink_parms(): no params data found [ 58.152920][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.161145][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.220408][ T8210] device hsr_slave_0 entered promiscuous mode [ 58.269030][ T8210] device hsr_slave_1 entered promiscuous mode [ 58.328764][ T8210] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.339042][ T8204] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.365007][ T8212] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.395226][ T8212] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.414163][ T8214] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.424997][ T8214] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.434096][ T8214] device bridge_slave_0 entered promiscuous mode [ 58.446253][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.455273][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.463666][ T8217] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.470880][ T8217] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.479127][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.488198][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.496887][ T8217] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.504037][ T8217] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.511913][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.535369][ T8216] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.543127][ T8216] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.552275][ T8216] device bridge_slave_0 entered promiscuous mode [ 58.560498][ T8214] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.567541][ T8214] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.575800][ T8214] device bridge_slave_1 entered promiscuous mode [ 58.611451][ T8212] team0: Port device team_slave_0 added [ 58.617578][ T8216] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.626581][ T8216] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.634912][ T8216] device bridge_slave_1 entered promiscuous mode [ 58.643347][ T3073] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.652028][ T3073] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.663250][ T8214] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.678301][ T8212] team0: Port device team_slave_1 added [ 58.695453][ T8214] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.715928][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.724573][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.734156][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.742768][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.755291][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.769024][ T8206] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.780058][ T8210] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.834537][ T8210] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.884859][ T8210] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.941878][ T8216] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.955400][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.964109][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.975380][ T8214] team0: Port device team_slave_0 added [ 59.021794][ T8212] device hsr_slave_0 entered promiscuous mode [ 59.059214][ T8212] device hsr_slave_1 entered promiscuous mode [ 59.118871][ T8212] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.126778][ T8210] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.182735][ T8216] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.196359][ T8204] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.209658][ T8204] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.218327][ T8214] team0: Port device team_slave_1 added [ 59.271580][ T8214] device hsr_slave_0 entered promiscuous mode [ 59.320255][ T8214] device hsr_slave_1 entered promiscuous mode [ 59.358936][ T8214] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.372890][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.381641][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.391115][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.399477][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.436496][ T8206] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.473741][ T8214] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.510735][ T8212] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.563824][ T8216] team0: Port device team_slave_0 added [ 59.571705][ T8216] team0: Port device team_slave_1 added [ 59.578319][ T8214] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.612980][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.622886][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.631452][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.638490][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.646295][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.655364][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.663974][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.671292][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.679720][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.689165][ T8212] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.750605][ T8212] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.797251][ T8204] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.810618][ T8214] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.851304][ T8214] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.891444][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.899555][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.907086][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.914892][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.923829][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.933063][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.945257][ T8212] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.043344][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.054073][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.067889][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.103008][ T8216] device hsr_slave_0 entered promiscuous mode [ 60.159152][ T8216] device hsr_slave_1 entered promiscuous mode [ 60.218945][ T8216] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.272702][ T8206] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.306014][ T8206] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 165.298607][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 165.305616][ C0] (detected by 0, t=10502 jiffies, g=6389, q=240) [ 165.312105][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953681-4294943178), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 165.325533][ C0] rcu_preempt R running task 29032 10 2 0x80004008 [ 165.333424][ C0] Call Trace: [ 165.336783][ C0] [ 165.339641][ C0] sched_show_task+0x40f/0x560 [ 165.344405][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 165.349686][ C0] update_process_times+0x12d/0x180 [ 165.354874][ C0] tick_sched_timer+0x263/0x420 [ 165.359728][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.365265][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.370496][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.375455][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.380730][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.386271][ C0] apic_timer_interrupt+0xf/0x20 [ 165.391192][ C0] [ 165.394123][ C0] RIP: 0010:__memcg_kmem_uncharge+0x211/0x2e0 [ 165.400194][ C0] Code: 65 db a4 ff 48 c7 c7 98 4b 0d 89 e8 59 97 00 00 bf 01 00 00 00 e8 2f e3 9b ff 65 8b 05 d4 fd 4a 7e 85 c0 74 53 48 83 c4 08 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 49 8d 5f 10 48 89 df be 08 00 00 00 [ 165.419947][ C0] RSP: 0018:ffffc90000d0fc18 EFLAGS: 00000292 ORIG_RAX: ffffffffffffff13 [ 165.428390][ C0] RAX: 0000000000000001 RBX: ffffea0002392c40 RCX: 0000000000000000 [ 165.436365][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002392c40 [ 165.444326][ C0] RBP: ffffc90000d0fc38 R08: dffffc0000000000 R09: fffffbfff120248a [ 165.452374][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffffea0002392c40 [ 165.460339][ C0] R13: 1ffffd400047258f R14: ffffea0002392c78 R15: 0000000000000000 [ 165.468350][ C0] free_thread_stack+0x12e/0x590 [ 165.473292][ C0] put_task_stack+0xa3/0x130 [ 165.477868][ C0] finish_task_switch+0x3f1/0x550 [ 165.482899][ C0] __schedule+0x9a8/0xcc0 [ 165.487312][ C0] schedule+0x181/0x210 [ 165.491459][ C0] schedule_timeout+0x14f/0x240 [ 165.496304][ C0] ? run_local_timers+0x120/0x120 [ 165.501320][ C0] rcu_gp_kthread+0xed8/0x1770 [ 165.506086][ C0] kthread+0x332/0x350 [ 165.510226][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.515372][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.519967][ C0] ret_from_fork+0x24/0x30 [ 165.524391][ C0] rcu: rcu_preempt kthread starved for 10524 jiffies! g6389 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 165.536516][ C0] rcu: RCU grace-period kthread stack dump: [ 165.542429][ C0] rcu_preempt R running task 29032 10 2 0x80004008 [ 165.550341][ C0] Call Trace: [ 165.553611][ C0] [ 165.556461][ C0] sched_show_task+0x40f/0x560 [ 165.561219][ C0] rcu_check_gp_kthread_starvation+0x170/0x1b0 [ 165.567463][ C0] rcu_sched_clock_irq+0x17d3/0x1ad0 [ 165.572749][ C0] update_process_times+0x12d/0x180 [ 165.577941][ C0] tick_sched_timer+0x263/0x420 [ 165.582783][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.588317][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.593524][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.598635][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.603925][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.609462][ C0] apic_timer_interrupt+0xf/0x20 [ 165.614382][ C0] [ 165.617323][ C0] RIP: 0010:__memcg_kmem_uncharge+0x211/0x2e0 [ 165.623382][ C0] Code: 65 db a4 ff 48 c7 c7 98 4b 0d 89 e8 59 97 00 00 bf 01 00 00 00 e8 2f e3 9b ff 65 8b 05 d4 fd 4a 7e 85 c0 74 53 48 83 c4 08 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 49 8d 5f 10 48 89 df be 08 00 00 00 [ 165.642977][ C0] RSP: 0018:ffffc90000d0fc18 EFLAGS: 00000292 ORIG_RAX: ffffffffffffff13 [ 165.651379][ C0] RAX: 0000000000000001 RBX: ffffea0002392c40 RCX: 0000000000000000 [ 165.659462][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002392c40 [ 165.667434][ C0] RBP: ffffc90000d0fc38 R08: dffffc0000000000 R09: fffffbfff120248a [ 165.675527][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffffea0002392c40 [ 165.683505][ C0] R13: 1ffffd400047258f R14: ffffea0002392c78 R15: 0000000000000000 [ 165.691503][ C0] free_thread_stack+0x12e/0x590 [ 165.696431][ C0] put_task_stack+0xa3/0x130 [ 165.701020][ C0] finish_task_switch+0x3f1/0x550 [ 165.706037][ C0] __schedule+0x9a8/0xcc0 [ 165.710361][ C0] schedule+0x181/0x210 [ 165.714941][ C0] schedule_timeout+0x14f/0x240 [ 165.720562][ C0] ? run_local_timers+0x120/0x120 [ 165.725579][ C0] rcu_gp_kthread+0xed8/0x1770 [ 165.730339][ C0] kthread+0x332/0x350 [ 165.734399][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.739497][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.744080][ C0] ret_from_fork+0x24/0x30