[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 49.144908][ T28] audit: type=1800 audit(1578450066.404:25): pid=8500 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 49.163967][ T28] audit: type=1800 audit(1578450066.404:26): pid=8500 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 49.190432][ T28] audit: type=1800 audit(1578450066.404:27): pid=8500 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.114' (ECDSA) to the list of known hosts. 2020/01/08 02:21:17 fuzzer started 2020/01/08 02:21:19 dialing manager at 10.128.0.26:35703 2020/01/08 02:21:19 syscalls: 2824 2020/01/08 02:21:19 code coverage: enabled 2020/01/08 02:21:19 comparison tracing: enabled 2020/01/08 02:21:19 extra coverage: enabled 2020/01/08 02:21:19 setuid sandbox: enabled 2020/01/08 02:21:19 namespace sandbox: enabled 2020/01/08 02:21:19 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:21:19 fault injection: enabled 2020/01/08 02:21:19 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:21:19 net packet injection: enabled 2020/01/08 02:21:19 net device setup: enabled 2020/01/08 02:21:19 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:21:19 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:21:20 executing program 0: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) r2 = dup3(r0, r1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000080)=ANY=[@ANYBLOB="b702000004000000bfa30000000000000703000000feffff7a0af0fff80000ff79a4f0ff00000000b7060000efffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fe00ba2300850000001f000000b70000000000000095000000000000006f8830bf511507964b79f7acf091839ec5300a584fd94c80de0b181417e9adb31bfa7e22f0f3e51416b698f6da6fe8af496d22585ffab3af24974fae7b28e6902c5b616cc6983945dd5963f73a81c657b715f8c74a319f6799f0f0af9f"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x304}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r3, 0x0, 0xe, 0x0, &(0x7f0000000400)="3d6ee2e04b91ab10f30f9b0186dd", 0x0, 0x4000}, 0x28) 02:21:21 executing program 1: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) r2 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$inet6_MRT6_ADD_MIF(r2, 0x29, 0xca, &(0x7f0000000080)={0x0, 0x1}, 0xc) setsockopt$inet6_MRT6_ADD_MIF(r2, 0x29, 0xca, &(0x7f0000000100)={0x9, 0x0, 0x0, 0x1f}, 0xc) setsockopt$inet6_MRT6_DEL_MFC(r2, 0x29, 0xd4, &(0x7f0000000000)={{0xa, 0x0, 0x0, @dev}, {0xa, 0x0, 0x0, @mcast2}}, 0x4) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syzkaller login: [ 63.908103][ T8667] IPVS: ftp: loaded support on port[0] = 21 02:21:21 executing program 2: unshare(0x2000400) r0 = syz_open_dev$sndseq(&(0x7f0000001880)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_SUBS(r0, 0x4040534e, &(0x7f0000000540)) [ 64.030987][ T8669] IPVS: ftp: loaded support on port[0] = 21 [ 64.152775][ T8667] chnl_net:caif_netlink_parms(): no params data found [ 64.217223][ T8667] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.226172][ T8667] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.235041][ T8667] device bridge_slave_0 entered promiscuous mode [ 64.245865][ T8667] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.253554][ T8667] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.261977][ T8667] device bridge_slave_1 entered promiscuous mode [ 64.288076][ T8667] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.303969][ T8667] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.365496][ T8667] team0: Port device team_slave_0 added [ 64.387560][ T8669] chnl_net:caif_netlink_parms(): no params data found [ 64.398557][ T8667] team0: Port device team_slave_1 added 02:21:21 executing program 3: sendmsg(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0xfffffffffffffd2c, &(0x7f0000000400), 0x1000026a}, 0x0) r0 = getpid() r1 = pidfd_open(r0, 0x0) pidfd_send_signal(r1, 0x0, &(0x7f0000000180)={0x0, 0x0, 0x7}, 0x0) [ 64.418575][ T8672] IPVS: ftp: loaded support on port[0] = 21 [ 64.505108][ T8667] device hsr_slave_0 entered promiscuous mode 02:21:21 executing program 4: r0 = syz_open_dev$sg(&(0x7f00000003c0)='/dev/sg#\x00', 0x0, 0x0) ioctl$SG_SET_COMMAND_Q(r0, 0x227c, 0xffffffffffffffff) [ 64.622569][ T8667] device hsr_slave_1 entered promiscuous mode [ 64.777080][ T8669] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.786682][ T8675] IPVS: ftp: loaded support on port[0] = 21 [ 64.799389][ T8669] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.809342][ T8669] device bridge_slave_0 entered promiscuous mode [ 64.845205][ T8669] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.855076][ T8669] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.865054][ T8669] device bridge_slave_1 entered promiscuous mode 02:21:22 executing program 5: r0 = syz_open_dev$vbi(&(0x7f0000000040)='/dev/vbi#\x00', 0x3, 0x2) ioctl$VIDIOC_G_SLICED_VBI_CAP(r0, 0xc0745645, &(0x7f0000000140)={0x0, [], 0x6}) [ 64.979298][ T8669] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.018636][ T8669] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.045095][ T8667] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.105084][ T8667] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.153828][ T8667] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.239257][ T8667] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.319276][ T8679] IPVS: ftp: loaded support on port[0] = 21 [ 65.331251][ T8669] team0: Port device team_slave_0 added [ 65.345790][ T8678] IPVS: ftp: loaded support on port[0] = 21 [ 65.357603][ T8669] team0: Port device team_slave_1 added [ 65.380154][ T8672] chnl_net:caif_netlink_parms(): no params data found [ 65.453947][ T8669] device hsr_slave_0 entered promiscuous mode [ 65.520877][ T8669] device hsr_slave_1 entered promiscuous mode [ 65.550535][ T8669] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.558331][ T8669] Cannot create hsr debugfs directory [ 65.586122][ T8672] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.594233][ T8672] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.602222][ T8672] device bridge_slave_0 entered promiscuous mode [ 65.610544][ T8672] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.617660][ T8672] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.625516][ T8672] device bridge_slave_1 entered promiscuous mode [ 65.704187][ T8672] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.718095][ T8672] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.741973][ T8675] chnl_net:caif_netlink_parms(): no params data found [ 65.768488][ T8667] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.777626][ T8672] team0: Port device team_slave_0 added [ 65.812866][ T8672] team0: Port device team_slave_1 added [ 65.857183][ T8667] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.897637][ T3786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.906339][ T3786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.940023][ T8675] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.950011][ T8675] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.958152][ T8675] device bridge_slave_0 entered promiscuous mode [ 66.013405][ T8672] device hsr_slave_0 entered promiscuous mode [ 66.060873][ T8672] device hsr_slave_1 entered promiscuous mode [ 66.100601][ T8672] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.108604][ T8672] Cannot create hsr debugfs directory [ 66.114536][ T8669] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.173364][ T8675] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.182692][ T8675] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.190507][ T8675] device bridge_slave_1 entered promiscuous mode [ 66.205318][ T8678] chnl_net:caif_netlink_parms(): no params data found [ 66.218404][ T8669] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.284016][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.293418][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.302721][ T2764] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.310061][ T2764] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.318415][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.346976][ T8675] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.357716][ T8669] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.432467][ T8669] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.498233][ T8675] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.517023][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.528470][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.537141][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.549640][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.558498][ T8679] chnl_net:caif_netlink_parms(): no params data found [ 66.584794][ T8678] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.592707][ T8678] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.601031][ T8678] device bridge_slave_0 entered promiscuous mode [ 66.617089][ T8675] team0: Port device team_slave_0 added [ 66.637405][ T8678] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.645206][ T8678] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.654185][ T8678] device bridge_slave_1 entered promiscuous mode [ 66.662337][ T8675] team0: Port device team_slave_1 added [ 66.678587][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.726200][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.736317][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.745044][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.759081][ T8679] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.767742][ T8679] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.778821][ T8679] device bridge_slave_0 entered promiscuous mode [ 66.787770][ T8678] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.802475][ T8678] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.823295][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.831313][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.839704][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.913337][ T8675] device hsr_slave_0 entered promiscuous mode [ 66.940836][ T8675] device hsr_slave_1 entered promiscuous mode [ 67.000566][ T8675] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.008160][ T8675] Cannot create hsr debugfs directory [ 67.014719][ T8679] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.022126][ T8679] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.029853][ T8679] device bridge_slave_1 entered promiscuous mode [ 67.056513][ T8679] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.084613][ T3786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.093758][ T3786] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.102580][ T3786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.110973][ T3786] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.125501][ T8679] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.158465][ T8678] team0: Port device team_slave_0 added [ 67.168430][ T8678] team0: Port device team_slave_1 added [ 67.176192][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.190112][ T8679] team0: Port device team_slave_0 added [ 67.228079][ T8679] team0: Port device team_slave_1 added [ 67.253229][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.261823][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.342937][ T8678] device hsr_slave_0 entered promiscuous mode [ 67.400954][ T8678] device hsr_slave_1 entered promiscuous mode [ 67.460544][ T8678] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.468142][ T8678] Cannot create hsr debugfs directory [ 67.473800][ T8672] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.538724][ T8672] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.588491][ T8667] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.614500][ T8672] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.685375][ T8672] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.782394][ T8679] device hsr_slave_0 entered promiscuous mode [ 67.820739][ T8679] device hsr_slave_1 entered promiscuous mode [ 67.860508][ T8679] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.868117][ T8679] Cannot create hsr debugfs directory [ 67.917589][ T8675] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.954894][ T8675] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.996932][ T8675] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.061573][ T8675] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.129835][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.140078][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.163867][ T8678] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.213471][ T8678] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.266336][ T8678] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.326472][ T8678] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.427897][ T8669] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.440582][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.449731][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.475295][ T3786] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.485636][ T3786] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.494867][ T8667] device veth0_vlan entered promiscuous mode [ 68.508368][ T8667] device veth1_vlan entered promiscuous mode [ 68.517565][ T8679] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.587759][ T8679] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.644100][ T8679] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.693315][ T8679] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.742508][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.754117][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.762058][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.773763][ T8669] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.854012][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.863452][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.872228][ T2681] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.879336][ T2681] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.887376][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.897091][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.906246][ T2681] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.913350][ T2681] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.949166][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.957305][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.968727][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.031570][ T8672] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.055611][ T8672] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.117833][ T8672] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.142760][ T8672] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.215960][ T8672] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.271223][ T8672] device veth0_vlan entered promiscuous mode [ 69.290361][ T8672] device veth1_vlan entered promiscuous mode [ 174.010318][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.017345][ C0] rcu: 0-...!: (10499 ticks this GP) idle=76a/1/0x4000000000000002 softirq=11759/11759 fqs=43 [ 174.028010][ C0] (t=10501 jiffies g=7305 q=689) [ 174.033029][ C0] rcu: rcu_preempt kthread starved for 10415 jiffies! g7305 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 174.044132][ C0] rcu: RCU grace-period kthread stack dump: [ 174.050023][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 174.057943][ C0] Call Trace: [ 174.061246][ C0] __schedule+0x9a0/0xcc0 [ 174.065574][ C0] schedule+0x181/0x210 [ 174.069727][ C0] schedule_timeout+0x14f/0x240 [ 174.074572][ C0] ? run_local_timers+0x120/0x120 [ 174.079587][ C0] rcu_gp_kthread+0xed8/0x1770 [ 174.084480][ C0] kthread+0x332/0x350 [ 174.088567][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 174.093683][ C0] ? kthread_blkcg+0xe0/0xe0 [ 174.098276][ C0] ret_from_fork+0x24/0x30 [ 174.102703][ C0] NMI backtrace for cpu 0 [ 174.107057][ C0] CPU: 0 PID: 8667 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 174.115651][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.125803][ C0] Call Trace: [ 174.129235][ C0] [ 174.132104][ C0] dump_stack+0x1fb/0x318 [ 174.136451][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 174.141296][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 174.147455][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 174.153529][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 174.159516][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 174.165400][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 174.170526][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 174.175721][ C0] ? trace_hardirqs_off+0x74/0x80 [ 174.180739][ C0] update_process_times+0x12d/0x180 [ 174.185929][ C0] tick_sched_timer+0x263/0x420 [ 174.190766][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 174.196305][ C0] __hrtimer_run_queues+0x403/0x840 [ 174.201509][ C0] hrtimer_interrupt+0x38c/0xda0 [ 174.206453][ C0] ? debug_smp_processor_id+0x9/0x20 [ 174.211744][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 174.217283][ C0] apic_timer_interrupt+0xf/0x20 [ 174.222206][ C0] [ 174.225138][ C0] RIP: 0010:__memcg_kmem_uncharge+0x2e/0x1a0 [ 174.231109][ C0] Code: 41 57 41 56 41 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff df 4c 8d 77 38 4d 89 f5 49 c1 ed 03 41 80 7c 05 00 00 <74> 08 4c 89 f7 e8 48 07 fb ff 4d 8b 3e b8 01 00 00 00 89 d9 d3 e0 [ 174.250712][ C0] RSP: 0018:ffffc90002267b90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 174.259118][ C0] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff88809f648600 [ 174.267259][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002a51740 [ 174.275220][ C0] RBP: ffffc90002267bc0 R08: dffffc0000000000 R09: fffffbfff124248a [ 174.283179][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffffea0002a51740 [ 174.291138][ C0] R13: 1ffffd400054a2ef R14: ffffea0002a51778 R15: ffff88809a43ba38 [ 174.299291][ C0] ? free_thread_stack+0x124/0x590 [ 174.304391][ C0] free_thread_stack+0x12e/0x590 [ 174.309316][ C0] put_task_stack+0xa3/0x130 [ 174.313899][ C0] finish_task_switch+0x3f1/0x550 [ 174.318921][ C0] __schedule+0x9a8/0xcc0 [ 174.323250][ C0] schedule+0x181/0x210 [ 174.327399][ C0] do_nanosleep+0x1d0/0x6c0 [ 174.331905][ C0] hrtimer_nanosleep+0x3a6/0x5b0 [ 174.336841][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 174.342641][ C0] __x64_sys_nanosleep+0x186/0x1d0 [ 174.347747][ C0] do_syscall_64+0xf7/0x1c0 [ 174.352246][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.358121][ C0] RIP: 0033:0x4593f0 [ 174.362017][ C0] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 41 f5 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 174.381609][ C0] RSP: 002b:00007ffff768c978 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 174.390006][ C0] RAX: ffffffffffffffda RBX: 0000000000010d56 RCX: 00000000004593f0 [ 174.397967][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffff768c980 [ 174.405929][ C0] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000001d9e940 [ 174.413890][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 174.424041][ C0] R13: 00007ffff768c9d0 R14: 0000000000010d56 R15: 00007ffff768c9e0