[ 42.989155][ T25] audit: type=1800 audit(1575414425.065:25): pid=7976 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.010260][ T25] audit: type=1800 audit(1575414425.065:26): pid=7976 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.070773][ T25] audit: type=1800 audit(1575414425.075:27): pid=7976 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 43.095780][ T25] audit: type=1800 audit(1575414425.075:28): pid=7976 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 '10.128.10.34' (ECDSA) to the list of known hosts. 2019/12/03 23:07:12 fuzzer started 2019/12/03 23:07:14 dialing manager at 10.128.0.26:42111 2019/12/03 23:07:14 syscalls: 2689 2019/12/03 23:07:14 code coverage: enabled 2019/12/03 23:07:14 comparison tracing: enabled 2019/12/03 23:07:14 extra coverage: extra coverage is not supported by the kernel 2019/12/03 23:07:14 setuid sandbox: enabled 2019/12/03 23:07:14 namespace sandbox: enabled 2019/12/03 23:07:14 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 23:07:14 fault injection: enabled 2019/12/03 23:07:14 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 23:07:14 net packet injection: enabled 2019/12/03 23:07:14 net device setup: enabled 2019/12/03 23:07:14 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 23:07:14 devlink PCI setup: PCI device 0000:00:10.0 is not available 23:07:15 executing program 0: r0 = openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video36\x00', 0x2, 0x0) ioctl$VIDIOC_TRY_FMT(r0, 0xc0d05640, &(0x7f0000000300)={0x3, @win={{}, 0x0, 0x0, 0x0, 0x0, 0x0}}) 23:07:15 executing program 1: r0 = socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000340)={0x0, @in, 0x0, 0x0, 0x0, 0x0, 0xffffff80}, 0x9c) syzkaller login: [ 53.460810][ T8140] IPVS: ftp: loaded support on port[0] = 21 [ 53.535453][ T8142] IPVS: ftp: loaded support on port[0] = 21 [ 53.651890][ T8142] chnl_net:caif_netlink_parms(): no params data found [ 53.663026][ T8140] chnl_net:caif_netlink_parms(): no params data found 23:07:15 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'aead\x00', 0x0, 0x0, 'aegis128-generic\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000080)="ab553fec94248c32e27d04000000288a", 0x10) r1 = accept$alg(r0, 0x0, 0x0) sendmsg$alg(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=[@assoc={0x18, 0x117, 0x4, 0x20}], 0x18}, 0x0) write$binfmt_script(r1, &(0x7f0000000600)=ANY=[], 0xfec8) recvmmsg(r1, &(0x7f0000000bc0)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f0000000800)=[{&(0x7f0000002400)=""/4096, 0x10}], 0x1}}], 0x2, 0x0, 0x0) [ 53.708516][ T8142] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.716687][ T8142] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.725021][ T8142] device bridge_slave_0 entered promiscuous mode [ 53.746864][ T8142] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.763731][ T8142] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.783854][ T8142] device bridge_slave_1 entered promiscuous mode [ 53.794591][ T8140] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.802148][ T8140] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.823734][ T8140] device bridge_slave_0 entered promiscuous mode [ 53.847527][ T8140] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.862965][ T8140] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.870807][ T8140] device bridge_slave_1 entered promiscuous mode [ 53.905732][ T8142] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.925242][ T8140] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.949099][ T8146] IPVS: ftp: loaded support on port[0] = 21 [ 53.958865][ T8140] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.974038][ T8142] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 23:07:16 executing program 3: r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000080)='/dev/urandom\x00', 0x0, 0x0) read(r0, 0x0, 0x0) pipe2(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x18c800) ioctl$KVM_GET_DEBUGREGS(r1, 0x8080aea1, &(0x7f0000000100)) write(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f0000000440)={0x2, 0x70, 0xb8, 0x2, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) r2 = socket(0x10, 0x8000000803, 0x0) fallocate(r2, 0x14, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x400}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$netlink(0x10, 0x3, 0x0) r3 = socket$inet6(0xa, 0x2, 0x0) dup2(0xffffffffffffffff, 0xffffffffffffffff) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1, 0x2}, 0x1c) connect$inet6(r3, &(0x7f0000003a40)={0xa, 0x4e24, 0x0, @ipv4={[], [], @loopback}}, 0x1e) sendmmsg(r3, &(0x7f00000092c0), 0x4ff, 0xbb8) [ 54.016622][ T8140] team0: Port device team_slave_0 added [ 54.045600][ T8140] team0: Port device team_slave_1 added [ 54.074057][ T8142] team0: Port device team_slave_0 added [ 54.081285][ T8142] team0: Port device team_slave_1 added [ 54.175757][ T8140] device hsr_slave_0 entered promiscuous mode 23:07:16 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000340)={0xffffffffffffffff}) mmap(&(0x7f0000abb000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x42, &(0x7f0000abaff9)={0x3, 0xfff}, 0x10) [ 54.233350][ T8140] device hsr_slave_1 entered promiscuous mode [ 54.320884][ T8148] IPVS: ftp: loaded support on port[0] = 21 [ 54.396668][ T8142] device hsr_slave_0 entered promiscuous mode 23:07:16 executing program 5: r0 = socket$inet6(0xa, 0x100000000000001, 0x84) getsockopt$bt_hci(r0, 0x84, 0x81, 0x0, &(0x7f0000000040)) [ 54.463319][ T8142] device hsr_slave_1 entered promiscuous mode [ 54.503017][ T8142] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.566378][ T8150] IPVS: ftp: loaded support on port[0] = 21 [ 54.620854][ T8140] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.676073][ T8140] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.764789][ T8140] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.774554][ T8153] IPVS: ftp: loaded support on port[0] = 21 [ 54.805950][ T8140] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.886125][ T8142] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 54.955898][ T8142] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 55.016617][ T8142] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 55.065194][ T8142] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 55.104331][ T8146] chnl_net:caif_netlink_parms(): no params data found [ 55.169037][ T8146] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.176986][ T8146] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.187349][ T8146] device bridge_slave_0 entered promiscuous mode [ 55.197484][ T8146] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.205353][ T8146] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.214606][ T8146] device bridge_slave_1 entered promiscuous mode [ 55.260910][ T8146] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.278033][ T8146] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.338286][ T8146] team0: Port device team_slave_0 added [ 55.348424][ T8148] chnl_net:caif_netlink_parms(): no params data found [ 55.361421][ T8146] team0: Port device team_slave_1 added [ 55.444805][ T8150] chnl_net:caif_netlink_parms(): no params data found [ 55.518773][ T8142] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.528982][ T8148] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.538047][ T8148] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.548148][ T8148] device bridge_slave_0 entered promiscuous mode [ 55.614595][ T8146] device hsr_slave_0 entered promiscuous mode [ 55.673294][ T8146] device hsr_slave_1 entered promiscuous mode [ 55.723221][ T8146] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.743409][ T8153] chnl_net:caif_netlink_parms(): no params data found [ 55.763160][ T8148] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.771243][ T8148] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.781019][ T8148] device bridge_slave_1 entered promiscuous mode [ 55.801005][ T8150] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.809430][ T8150] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.819216][ T8150] device bridge_slave_0 entered promiscuous mode [ 55.846816][ T8150] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.855346][ T8150] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.864552][ T8150] device bridge_slave_1 entered promiscuous mode [ 55.886397][ T8150] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.900270][ T8150] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.915095][ T8148] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.932072][ T8142] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.948463][ T8140] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.960288][ T8153] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.969688][ T8153] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.978709][ T8153] device bridge_slave_0 entered promiscuous mode [ 55.986875][ T8146] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.024722][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.034011][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.043885][ T8148] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.065896][ T8153] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.073832][ T8153] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.081412][ T8153] device bridge_slave_1 entered promiscuous mode [ 56.089001][ T8146] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.145415][ T8146] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 56.184658][ T8146] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 56.236638][ T8150] team0: Port device team_slave_0 added [ 56.259242][ T8153] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.272641][ T8150] team0: Port device team_slave_1 added [ 56.282379][ T8148] team0: Port device team_slave_0 added [ 56.290500][ T8153] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.301702][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.311318][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.320165][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.327547][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.336681][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.345704][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.367355][ T8140] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.378902][ T8148] team0: Port device team_slave_1 added [ 56.390696][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.398984][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.407948][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.416300][ T3067] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.423487][ T3067] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.431518][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.440052][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.448550][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.457084][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.465351][ T3067] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.472516][ T3067] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.480602][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.506526][ T8153] team0: Port device team_slave_0 added [ 56.564736][ T8150] device hsr_slave_0 entered promiscuous mode [ 56.613390][ T8150] device hsr_slave_1 entered promiscuous mode [ 56.653159][ T8150] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.670530][ T8153] team0: Port device team_slave_1 added [ 56.686069][ T3874] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.695084][ T3874] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.705269][ T3874] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.712310][ T3874] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.720083][ T3874] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.728757][ T3874] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.737230][ T3874] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.745852][ T3874] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.754196][ T3874] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.762822][ T3874] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.771125][ T3874] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.779389][ T3874] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.788897][ T3874] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.844581][ T8148] device hsr_slave_0 entered promiscuous mode [ 56.883880][ T8148] device hsr_slave_1 entered promiscuous mode [ 56.923457][ T8148] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.007142][ T8153] device hsr_slave_0 entered promiscuous mode [ 57.076109][ T8153] device hsr_slave_1 entered promiscuous mode [ 57.113107][ T8153] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.127547][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.137006][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.146585][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.155481][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.164002][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.176716][ T8142] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.200320][ T8146] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.216715][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.227569][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.236836][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.246727][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.255350][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.263898][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.274202][ T8140] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.320717][ T8142] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.348130][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.356739][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.364973][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.373491][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.381175][ T8153] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 57.451223][ T8150] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 57.506150][ T8150] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 57.580212][ T8146] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.591587][ T8153] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 57.656607][ T8150] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 57.704929][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.712447][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.725527][ T8140] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.736499][ T8148] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.776496][ T8148] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.834680][ T8153] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 57.875565][ T8150] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 57.934727][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.943504][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.952263][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.959357][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.966982][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.988874][ T8148] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 163.032836][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 163.039833][ C1] (detected by 1, t=10502 jiffies, g=6373, q=61) [ 163.046233][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953456-4294942953), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 163.059574][ C1] rcu_preempt R running task 29104 10 2 0x80004008 [ 163.067461][ C1] Call Trace: [ 163.070736][ C1] [ 163.073584][ C1] sched_show_task+0x40f/0x560 [ 163.078342][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 163.083620][ C1] update_process_times+0x12d/0x180 [ 163.088820][ C1] tick_sched_timer+0x263/0x420 [ 163.093741][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.099295][ C1] __hrtimer_run_queues+0x403/0x840 [ 163.104514][ C1] hrtimer_interrupt+0x38c/0xda0 [ 163.109461][ C1] ? debug_smp_processor_id+0x9/0x20 [ 163.114745][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 163.120289][ C1] apic_timer_interrupt+0xf/0x20 [ 163.125210][ C1] [ 163.128141][ C1] RIP: 0010:__memcg_kmem_uncharge+0x211/0x2e0 [ 163.134195][ C1] 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 [ 163.153786][ C1] RSP: 0018:ffffc90000d0fc18 EFLAGS: 00000292 ORIG_RAX: ffffffffffffff13 [ 163.162182][ C1] RAX: 0000000000000001 RBX: ffffea00029d99c0 RCX: 0000000000000000 [ 163.170139][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00029d99c0 [ 163.178097][ C1] RBP: ffffc90000d0fc38 R08: dffffc0000000000 R09: fffffbfff120248a [ 163.186059][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffffea00029d99c0 [ 163.194548][ C1] R13: 1ffffd400053b33f R14: ffffea00029d99f8 R15: 0000000000000000 [ 163.202612][ C1] free_thread_stack+0x12e/0x590 [ 163.207536][ C1] put_task_stack+0xa3/0x130 [ 163.212115][ C1] finish_task_switch+0x3f1/0x550 [ 163.217131][ C1] __schedule+0x9a8/0xcc0 [ 163.221456][ C1] schedule+0x181/0x210 [ 163.225598][ C1] schedule_timeout+0x14f/0x240 [ 163.230431][ C1] ? run_local_timers+0x120/0x120 [ 163.235448][ C1] rcu_gp_kthread+0xed8/0x1770 [ 163.240292][ C1] kthread+0x332/0x350 [ 163.244341][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 163.249435][ C1] ? kthread_blkcg+0xe0/0xe0 [ 163.254017][ C1] ret_from_fork+0x24/0x30 [ 163.258431][ C1] rcu: rcu_preempt kthread starved for 10524 jiffies! g6373 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 163.269632][ C1] rcu: RCU grace-period kthread stack dump: [ 163.275520][ C1] rcu_preempt R running task 29104 10 2 0x80004008 [ 163.283412][ C1] Call Trace: [ 163.286684][ C1] [ 163.289535][ C1] sched_show_task+0x40f/0x560 [ 163.294294][ C1] rcu_check_gp_kthread_starvation+0x170/0x1b0 [ 163.300440][ C1] rcu_sched_clock_irq+0x17d3/0x1ad0 [ 163.305721][ C1] update_process_times+0x12d/0x180 [ 163.310905][ C1] tick_sched_timer+0x263/0x420 [ 163.315745][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.321276][ C1] __hrtimer_run_queues+0x403/0x840 [ 163.326473][ C1] hrtimer_interrupt+0x38c/0xda0 [ 163.331408][ C1] ? debug_smp_processor_id+0x9/0x20 [ 163.336685][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 163.342218][ C1] apic_timer_interrupt+0xf/0x20 [ 163.347133][ C1] [ 163.350059][ C1] RIP: 0010:__memcg_kmem_uncharge+0x211/0x2e0 [ 163.356108][ C1] 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 [ 163.375698][ C1] RSP: 0018:ffffc90000d0fc18 EFLAGS: 00000292 ORIG_RAX: ffffffffffffff13 [ 163.384105][ C1] RAX: 0000000000000001 RBX: ffffea00029d99c0 RCX: 0000000000000000 [ 163.392063][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00029d99c0 [ 163.400018][ C1] RBP: ffffc90000d0fc38 R08: dffffc0000000000 R09: fffffbfff120248a [ 163.407976][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffffea00029d99c0 [ 163.415935][ C1] R13: 1ffffd400053b33f R14: ffffea00029d99f8 R15: 0000000000000000 [ 163.424201][ C1] free_thread_stack+0x12e/0x590 [ 163.429128][ C1] put_task_stack+0xa3/0x130 [ 163.433703][ C1] finish_task_switch+0x3f1/0x550 [ 163.438717][ C1] __schedule+0x9a8/0xcc0 [ 163.443040][ C1] schedule+0x181/0x210 [ 163.447613][ C1] schedule_timeout+0x14f/0x240 [ 163.452470][ C1] ? run_local_timers+0x120/0x120 [ 163.457513][ C1] rcu_gp_kthread+0xed8/0x1770 [ 163.462280][ C1] kthread+0x332/0x350 [ 163.466353][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 163.471466][ C1] ? kthread_blkcg+0xe0/0xe0 [ 163.476053][ C1] ret_from_fork+0x24/0x30