[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 43.001949][ T23] audit: type=1800 audit(1575328589.219:25): pid=8095 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.027067][ T23] audit: type=1800 audit(1575328589.219:26): pid=8095 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.073541][ T23] audit: type=1800 audit(1575328589.219:27): pid=8095 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 '10.128.1.43' (ECDSA) to the list of known hosts. 2019/12/02 23:16:39 fuzzer started 2019/12/02 23:16:41 dialing manager at 10.128.0.26:38907 2019/12/02 23:16:41 syscalls: 2697 2019/12/02 23:16:41 code coverage: enabled 2019/12/02 23:16:41 comparison tracing: enabled 2019/12/02 23:16:41 extra coverage: extra coverage is not supported by the kernel 2019/12/02 23:16:41 setuid sandbox: enabled 2019/12/02 23:16:41 namespace sandbox: enabled 2019/12/02 23:16:41 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/02 23:16:41 fault injection: enabled 2019/12/02 23:16:41 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/02 23:16:41 net packet injection: enabled 2019/12/02 23:16:41 net device setup: enabled 2019/12/02 23:16:41 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/02 23:16:41 devlink PCI setup: PCI device 0000:00:10.0 is not available 23:16:42 executing program 0: pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) close(r0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r1, 0x6, 0x13, &(0x7f00000000c0)=0x800000100000001, 0x4) connect$inet6(r1, &(0x7f0000000140)={0xa, 0x0, 0x0, @loopback}, 0x1c) setsockopt$inet6_tcp_TCP_ULP(r1, 0x6, 0x1f, &(0x7f0000000040)='tls\x00', 0x355) setsockopt$inet6_tcp_TLS_TX(r1, 0x11a, 0x1, &(0x7f0000000280)=@ccm_128={{0x304}, "486a971da5371289", "85a4914e5d74c27e64017593b183baf6", "9edc3ce4", "e5ffffffffffffff"}, 0x28) write$P9_RWALK(r0, &(0x7f0000000180)={0x9}, 0x9) 23:16:42 executing program 1: r0 = socket(0x10, 0x2, 0xc) write(r0, &(0x7f0000000000)="1f0000000104ff00fd4354c007110000f30501000a000100010423dcffdf00", 0x23c) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0xea, 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) write(r0, &(0x7f0000000040)="1f0000000104ff02fd4354c007110000f30501000a000300020423dcffdf00", 0x1f) syzkaller login: [ 56.535297][ T8258] IPVS: ftp: loaded support on port[0] = 21 [ 56.645080][ T8260] IPVS: ftp: loaded support on port[0] = 21 23:16:42 executing program 2: r0 = syz_open_dev$sndpcmc(&(0x7f0000000080)='/dev/snd/pcmC#D#c\x00', 0x0, 0x0) unshare(0x2a000400) ioctl(r0, 0x40044160, 0x0) [ 56.723864][ T8258] chnl_net:caif_netlink_parms(): no params data found [ 56.804509][ T8260] chnl_net:caif_netlink_parms(): no params data found [ 56.846488][ T8260] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.855460][ T8260] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.864624][ T8260] device bridge_slave_0 entered promiscuous mode [ 56.879034][ T8258] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.906825][ T8258] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.914389][ T8258] device bridge_slave_0 entered promiscuous mode [ 56.929686][ T8260] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.937447][ T8260] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.945301][ T8260] device bridge_slave_1 entered promiscuous mode [ 56.954634][ T8258] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.962361][ T8258] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.972167][ T8258] device bridge_slave_1 entered promiscuous mode [ 56.999482][ T8260] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.016584][ T8264] IPVS: ftp: loaded support on port[0] = 21 [ 57.022928][ T8260] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.037430][ T8258] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 23:16:43 executing program 3: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f00000000c0)="2e0000002a000509d25a0004000000000300fc0010000b4002000000053582c137153e370900098000f01700d1bd", 0x2e}], 0x1}, 0x0) [ 57.080505][ T8258] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.100657][ T8260] team0: Port device team_slave_0 added [ 57.111795][ T8260] team0: Port device team_slave_1 added [ 57.137887][ T8258] team0: Port device team_slave_0 added [ 57.160304][ T8258] team0: Port device team_slave_1 added 23:16:43 executing program 4: syz_open_dev$usbfs(&(0x7f0000000000)='/dev/bus/usb/00#/00#\x00', 0x1a9b, 0x0) r0 = syz_open_dev$usbfs(0x0, 0x0, 0x0) mmap$usbfs(&(0x7f0000002000/0x4000)=nil, 0x204e00, 0x0, 0x11, r0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x8031, 0xffffffffffffffff, 0x0) [ 57.319148][ T8260] device hsr_slave_0 entered promiscuous mode [ 57.367111][ T8260] device hsr_slave_1 entered promiscuous mode [ 57.452109][ T8266] IPVS: ftp: loaded support on port[0] = 21 23:16:43 executing program 5: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r0, 0x40087703, 0xfffffffe) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r0, 0x0) ioctl$ASHMEM_SET_NAME(r0, 0x41007701, &(0x7f00000011c0)) [ 57.550144][ T8258] device hsr_slave_0 entered promiscuous mode [ 57.617718][ T8258] device hsr_slave_1 entered promiscuous mode [ 57.656907][ T8258] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.693077][ T8268] IPVS: ftp: loaded support on port[0] = 21 [ 57.711348][ T8270] IPVS: ftp: loaded support on port[0] = 21 [ 57.720825][ T8260] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.779317][ T8260] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.846161][ T8260] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.918909][ T8260] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.004574][ T8258] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.103413][ T8258] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.175929][ T8258] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.261680][ T8258] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.357102][ T8268] chnl_net:caif_netlink_parms(): no params data found [ 58.369139][ T8264] chnl_net:caif_netlink_parms(): no params data found [ 58.444681][ T8268] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.452659][ T8268] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.460462][ T8268] device bridge_slave_0 entered promiscuous mode [ 58.480737][ T8268] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.488137][ T8268] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.496057][ T8268] device bridge_slave_1 entered promiscuous mode [ 58.529508][ T8266] chnl_net:caif_netlink_parms(): no params data found [ 58.550560][ T8268] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.562937][ T8268] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.587921][ T8264] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.594994][ T8264] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.603573][ T8264] device bridge_slave_0 entered promiscuous mode [ 58.615461][ T8264] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.624532][ T8264] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.632721][ T8264] device bridge_slave_1 entered promiscuous mode [ 58.643646][ T8270] chnl_net:caif_netlink_parms(): no params data found [ 58.671311][ T8266] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.678925][ T8266] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.686609][ T8266] device bridge_slave_0 entered promiscuous mode [ 58.706227][ T8268] team0: Port device team_slave_0 added [ 58.716982][ T8268] team0: Port device team_slave_1 added [ 58.724862][ T8266] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.732923][ T8266] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.741381][ T8266] device bridge_slave_1 entered promiscuous mode [ 58.749700][ T8264] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.761632][ T8264] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.839767][ T8268] device hsr_slave_0 entered promiscuous mode [ 58.877295][ T8268] device hsr_slave_1 entered promiscuous mode [ 58.936958][ T8268] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.965331][ T8266] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.983422][ T8266] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.001423][ T8264] team0: Port device team_slave_0 added [ 59.022480][ T8260] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.035290][ T8266] team0: Port device team_slave_0 added [ 59.049950][ T8264] team0: Port device team_slave_1 added [ 59.061670][ T8258] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.075148][ T8260] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.088137][ T8270] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.095670][ T8270] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.104260][ T8270] device bridge_slave_0 entered promiscuous mode [ 59.113656][ T8266] team0: Port device team_slave_1 added [ 59.127215][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.135282][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.152238][ T8268] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.189127][ T8270] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.196216][ T8270] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.204130][ T8270] device bridge_slave_1 entered promiscuous mode [ 59.232752][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.241343][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.249441][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.259166][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.268074][ T2705] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.275257][ T2705] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.283893][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.293281][ T8268] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.344400][ T8270] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.398668][ T8264] device hsr_slave_0 entered promiscuous mode [ 59.427256][ T8264] device hsr_slave_1 entered promiscuous mode [ 59.466986][ T8264] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.482275][ T8258] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.494692][ T8268] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.552878][ T8275] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.561833][ T8275] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.572354][ T8275] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.579471][ T8275] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.589307][ T8270] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.638701][ T8266] device hsr_slave_0 entered promiscuous mode [ 59.687242][ T8266] device hsr_slave_1 entered promiscuous mode [ 59.726915][ T8266] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.749110][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.759240][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.768131][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.775349][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.783135][ T8268] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.853710][ T8275] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.862091][ T8275] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.870952][ T8275] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.880734][ T8275] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.889445][ T8275] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.896491][ T8275] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.923240][ T8270] team0: Port device team_slave_0 added [ 59.931132][ T8264] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.979345][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.988245][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.996872][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.009893][ T8270] team0: Port device team_slave_1 added [ 60.035156][ T8264] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.088653][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.098889][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.108022][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.116475][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.124968][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.133535][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.142579][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.151294][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.160767][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.169389][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.178090][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.189426][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.258610][ T8270] device hsr_slave_0 entered promiscuous mode [ 60.287209][ T8270] device hsr_slave_1 entered promiscuous mode [ 60.326938][ T8270] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.337204][ T8264] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.388950][ T8266] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.422349][ T8266] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.478587][ T8266] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.518765][ T8266] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.570051][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.579041][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.598286][ T8264] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.661751][ T8260] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.669774][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.679993][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.688553][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.697009][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.711262][ T8258] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.748741][ T8270] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.808550][ T8270] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.862916][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.870669][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.884201][ T8258] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.903696][ T8270] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.939552][ T8270] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 61.027832][ T3694] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.051918][ T3694] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.156261][ T8270] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.188997][ T8270] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.232980][ T8270] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.248895][ T8270] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.267560][ T8268] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.297231][ T8268] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.322007][ T8260] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 166.056727][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.065941][ C0] rcu: 0-...!: (10499 ticks this GP) idle=546/1/0x4000000000000002 softirq=11400/11400 fqs=709 [ 166.078023][ C0] (t=10500 jiffies g=6289 q=851) [ 166.083059][ C0] rcu: rcu_preempt kthread starved for 9071 jiffies! g6289 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 166.094747][ C0] rcu: RCU grace-period kthread stack dump: [ 166.100631][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 166.108778][ C0] Call Trace: [ 166.113552][ C0] __schedule+0x9a0/0xcc0 [ 166.117880][ C0] schedule+0x181/0x210 [ 166.122026][ C0] schedule_timeout+0x14f/0x240 [ 166.126958][ C0] ? run_local_timers+0x120/0x120 [ 166.132334][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.137101][ C0] kthread+0x332/0x350 [ 166.141243][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.146434][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.151023][ C0] ret_from_fork+0x24/0x30 [ 166.155528][ C0] NMI backtrace for cpu 0 [ 166.160461][ C0] CPU: 0 PID: 8278 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 166.168698][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.178912][ C0] Call Trace: [ 166.182197][ C0] [ 166.185232][ C0] dump_stack+0x1fb/0x318 [ 166.189734][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.194576][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.200722][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.206781][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.212849][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.218740][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.223855][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.229136][ C0] ? trace_hardirqs_off+0x74/0x80 [ 166.234152][ C0] update_process_times+0x12d/0x180 [ 166.239343][ C0] tick_sched_timer+0x263/0x420 [ 166.244180][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.249713][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.254917][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.259856][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.265146][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.271144][ C0] apic_timer_interrupt+0xf/0x20 [ 166.276068][ C0] [ 166.279001][ C0] RIP: 0010:__memcg_kmem_uncharge+0x42/0x2e0 [ 166.285004][ C0] Code: 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 d8 f4 fa ff 4d 8b 3e b8 01 00 00 00 89 d9 e0 4d 85 ff 0f 84 bf 01 00 00 4c 39 3d c4 8f 8c 07 0f 84 6e 02 [ 166.304591][ C0] RSP: 0018:ffffc90002a77908 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.312984][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 166.321013][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002814280 [ 166.328988][ C0] RBP: ffffc90002a77938 R08: dffffc0000000000 R09: fffffbfff120248a [ 166.336960][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffffea0002814280 [ 166.344924][ C0] R13: 1ffffd4000502857 R14: ffffea00028142b8 R15: 0000000000000000 [ 166.352994][ C0] ? free_thread_stack+0x124/0x590 [ 166.358093][ C0] free_thread_stack+0x12e/0x590 [ 166.363015][ C0] put_task_stack+0xa3/0x130 [ 166.367591][ C0] finish_task_switch+0x3f1/0x550 [ 166.372611][ C0] __schedule+0x9a8/0xcc0 [ 166.376934][ C0] preempt_schedule_irq+0xc1/0x140 [ 166.382030][ C0] retint_kernel+0x1b/0x2b [ 166.386436][ C0] RIP: 0010:kmem_cache_free+0xc8/0xf0 [ 166.391906][ C0] Code: 58 07 00 74 42 4c 89 f7 57 9d 0f 1f 44 00 00 e8 0e 98 ca ff eb 19 e8 a7 95 ca ff 48 83 3d 07 f7 58 07 00 74 24 4c 89 f7 57 9d <0f> 1f 44 00 00 4c 89 e7 4c 89 fe e8 58 01 00 00 5b 41 5c 41 5e 41 [ 166.411624][ C0] RSP: 0018:ffffc90002a77b90 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 166.420028][ C0] RAX: ffff8880980fab14 RBX: ffff88821bb74700 RCX: ffff8880980fa280 [ 166.427986][ C0] RDX: 0000000000000000 RSI: ffffffff8637e34e RDI: 0000000000000286 [ 166.435945][ C0] RBP: ffffc90002a77bb0 R08: ffff8880980faad8 R09: fffffbfff1241b32 [ 166.443991][ C0] R10: fffffbfff1241b32 R11: 0000000000000000 R12: ffffffff8637e34e [ 166.451949][ C0] R13: dffffc0000000000 R14: 0000000000000286 R15: ffff88808f8376c0 [ 166.459918][ C0] ? __kfree_skb+0x13e/0x1c0 [ 166.464496][ C0] ? __kfree_skb+0x13e/0x1c0 [ 166.469076][ C0] __kfree_skb+0x13e/0x1c0 [ 166.473477][ C0] consume_skb+0x72/0x110 [ 166.477801][ C0] tun_do_read+0xc55/0x1410 [ 166.482303][ C0] ? rcu_lock_release+0x21/0x30 [ 166.487141][ C0] tun_chr_read_iter+0xcc/0x1c0 [ 166.491989][ C0] __vfs_read+0x59e/0x730 [ 166.499182][ C0] vfs_read+0x1dd/0x420 [ 166.503328][ C0] ksys_read+0x117/0x220 [ 166.507560][ C0] __x64_sys_read+0x7b/0x90 [ 166.512054][ C0] do_syscall_64+0xf7/0x1c0 [ 166.516564][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.522452][ C0] RIP: 0033:0x414190 [ 166.526346][ C0] Code: 01 f0 ff ff 0f 83 90 1b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d dd 42 66 00 00 75 14 b8 00 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 64 1b 00 00 c3 48 83 ec 08 e8 6a fc ff ff [ 166.546982][ C0] RSP: 002b:00007fff7750edc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 166.555384][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000414190 [ 166.563342][ C0] RDX: 00000000000003e8 RSI: 00007fff7750ede0 RDI: 00000000000000f0 [ 166.571296][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000004 [ 166.579259][ C0] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000001 [ 166.587218][ C0] R13: 00007fff7750f210 R14: 0000000000000000 R15: 00007fff7750f220