[ 42.053235][ T24] audit: type=1800 audit(1575395421.156:26): pid=7966 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.132952][ T24] audit: type=1800 audit(1575395421.156:27): pid=7966 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.153904][ T24] audit: type=1800 audit(1575395421.156:28): pid=7966 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. [ 42.810855][ T24] audit: type=1800 audit(1575395421.926:29): pid=7966 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 '10.128.10.34' (ECDSA) to the list of known hosts. 2019/12/03 17:50:32 fuzzer started 2019/12/03 17:50:34 dialing manager at 10.128.0.26:42111 2019/12/03 17:50:34 syscalls: 2689 2019/12/03 17:50:34 code coverage: enabled 2019/12/03 17:50:34 comparison tracing: enabled 2019/12/03 17:50:34 extra coverage: extra coverage is not supported by the kernel 2019/12/03 17:50:34 setuid sandbox: enabled 2019/12/03 17:50:34 namespace sandbox: enabled 2019/12/03 17:50:34 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 17:50:34 fault injection: enabled 2019/12/03 17:50:34 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 17:50:34 net packet injection: enabled 2019/12/03 17:50:34 net device setup: enabled 2019/12/03 17:50:34 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 17:50:34 devlink PCI setup: PCI device 0000:00:10.0 is not available 17:50:35 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_STATUS64(r0, 0x4c04, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, "3431b6d4ebd9bc5b066a598cde04f8b1e907978bca1791ce5968d3b808ca5a9155449afffc970f33225eab59e77a9704a28df3f9350010700fbe1ed4da7db4b6", "2cfc9bb499043bd59175414ae825b9c1fca58f25b9ee26ca667d352769e74a162aec36fd5de2d46bc628d7ffce790d8fe6f58c1d91ade68f9c819fdaf77e2e9b", "5000a907000000000000000000000000000000000000000000000100"}) 17:50:35 executing program 1: r0 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$SIOCX25GSUBSCRIP(r0, 0x89e0, &(0x7f0000000100)={'nr0L\x00'}) syzkaller login: [ 56.087679][ T8132] IPVS: ftp: loaded support on port[0] = 21 [ 56.247227][ T8132] chnl_net:caif_netlink_parms(): no params data found [ 56.289534][ T8135] IPVS: ftp: loaded support on port[0] = 21 17:50:35 executing program 2: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x3ea, 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_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pipe(&(0x7f0000000340)={0xffffffffffffffff, 0xffffffffffffffff}) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup2(r0, r1) splice(r3, 0x0, r2, 0x0, 0x7fffffff, 0x0) [ 56.333835][ T8132] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.341574][ T8132] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.362797][ T8132] device bridge_slave_0 entered promiscuous mode [ 56.385521][ T8132] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.398054][ T8132] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.421650][ T8132] device bridge_slave_1 entered promiscuous mode [ 56.453139][ T8132] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.484184][ T8132] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.517456][ T8132] team0: Port device team_slave_0 added [ 56.539457][ T8137] IPVS: ftp: loaded support on port[0] = 21 [ 56.556930][ T8132] team0: Port device team_slave_1 added 17:50:35 executing program 3: timer_create(0x0, &(0x7f0000000180)={0x0, 0x12}, &(0x7f0000000140)) timer_settime(0x0, 0x0, &(0x7f00000001c0)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) r0 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000100)={'eql\x00', 0xd102}) preadv(r1, &(0x7f0000000000)=[{&(0x7f0000000ec0)=""/202, 0x200011b9}], 0x1, 0x0) dup2(r0, r1) r2 = gettid() tkill(r2, 0x1000000000016) [ 56.664332][ T8132] device hsr_slave_0 entered promiscuous mode 17:50:35 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x2, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x5, 0x0, 0x0, 0x0, 0x61, 0x10, 0x4c}, [@ldst={0x5, 0x0, 0x2, 0x0, 0x0, 0x0, 0x10}]}, &(0x7f0000003ff6)='G\x00', 0x5, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xf7}, 0x48) [ 56.781790][ T8132] device hsr_slave_1 entered promiscuous mode [ 56.905830][ T8140] IPVS: ftp: loaded support on port[0] = 21 [ 56.928391][ T8135] chnl_net:caif_netlink_parms(): no params data found 17:50:36 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000040)={0x0, 0xfffffee5}}, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f00000001c0)={0x40000000, 0x0, &(0x7f0000000040)={&(0x7f0000000900)=ANY=[@ANYBLOB="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"], 0x80}}, 0x0) sendmmsg(r2, &(0x7f0000000180), 0x4000144, 0x0) [ 56.973181][ T8132] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.046384][ T8132] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.126787][ T8132] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.164272][ T8132] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.236623][ T8142] IPVS: ftp: loaded support on port[0] = 21 [ 57.266612][ T8144] IPVS: ftp: loaded support on port[0] = 21 [ 57.297998][ T8135] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.306392][ T8135] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.314077][ T8135] device bridge_slave_0 entered promiscuous mode [ 57.323175][ T8135] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.330256][ T8135] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.338200][ T8135] device bridge_slave_1 entered promiscuous mode [ 57.350693][ T8132] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.357961][ T8132] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.365505][ T8132] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.372586][ T8132] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.392745][ T2722] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.400462][ T2722] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.421579][ T8137] chnl_net:caif_netlink_parms(): no params data found [ 57.449858][ T8135] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.479901][ T8135] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.499527][ T8137] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.508303][ T8137] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.516806][ T8137] device bridge_slave_0 entered promiscuous mode [ 57.553158][ T8140] chnl_net:caif_netlink_parms(): no params data found [ 57.562223][ T8137] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.569262][ T8137] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.576922][ T8137] device bridge_slave_1 entered promiscuous mode [ 57.598709][ T8135] team0: Port device team_slave_0 added [ 57.607245][ T8135] team0: Port device team_slave_1 added [ 57.651131][ T8137] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.703387][ T8135] device hsr_slave_0 entered promiscuous mode [ 57.751558][ T8135] device hsr_slave_1 entered promiscuous mode [ 57.801016][ T8135] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.832850][ T8137] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.855526][ T8144] chnl_net:caif_netlink_parms(): no params data found [ 57.882852][ T8140] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.889951][ T8140] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.898562][ T8140] device bridge_slave_0 entered promiscuous mode [ 57.910303][ T8140] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.917435][ T8140] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.925099][ T8140] device bridge_slave_1 entered promiscuous mode [ 57.942479][ T8140] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.963560][ T8137] team0: Port device team_slave_0 added [ 57.970482][ T8140] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.008625][ T8137] team0: Port device team_slave_1 added [ 58.025768][ T8144] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.033803][ T8144] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.042234][ T8144] device bridge_slave_0 entered promiscuous mode [ 58.060599][ T8142] chnl_net:caif_netlink_parms(): no params data found [ 58.086594][ T8135] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.142607][ T8144] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.149675][ T8144] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.157417][ T8144] device bridge_slave_1 entered promiscuous mode [ 58.189451][ T8140] team0: Port device team_slave_0 added [ 58.199003][ T8140] team0: Port device team_slave_1 added [ 58.207978][ T8135] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.253648][ T8144] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.264832][ T8144] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.303561][ T8137] device hsr_slave_0 entered promiscuous mode [ 58.361235][ T8137] device hsr_slave_1 entered promiscuous mode [ 58.400971][ T8137] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.415223][ T8135] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.497382][ T8135] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.558948][ T8142] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.566612][ T8142] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.574373][ T8142] device bridge_slave_0 entered promiscuous mode [ 58.653471][ T8140] device hsr_slave_0 entered promiscuous mode [ 58.711071][ T8140] device hsr_slave_1 entered promiscuous mode [ 58.760979][ T8140] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.770283][ T8144] team0: Port device team_slave_0 added [ 58.778883][ T8144] team0: Port device team_slave_1 added [ 58.787736][ T8142] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.795531][ T8142] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.803459][ T8142] device bridge_slave_1 entered promiscuous mode [ 58.812127][ T8132] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.848672][ T8142] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.864654][ T8142] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.903443][ T8144] device hsr_slave_0 entered promiscuous mode [ 58.961256][ T8144] device hsr_slave_1 entered promiscuous mode [ 59.001006][ T8144] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.012744][ T8132] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.031924][ T8137] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.065105][ T8146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.073499][ T8146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.098293][ T8142] team0: Port device team_slave_0 added [ 59.104659][ T8137] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.177467][ T8146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.186421][ T8146] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.194935][ T8146] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.202056][ T8146] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.219685][ T8142] team0: Port device team_slave_1 added [ 59.225560][ T8137] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.285675][ T8151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.294760][ T8151] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.303186][ T8151] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.310345][ T8151] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.318150][ T8151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.383003][ T8142] device hsr_slave_0 entered promiscuous mode [ 59.431606][ T8142] device hsr_slave_1 entered promiscuous mode [ 59.471227][ T8142] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.478816][ T8137] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.546036][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.557386][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.566178][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.574985][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.583743][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.592110][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.600410][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.608656][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.616837][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.626857][ T8144] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.675925][ T8144] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.723250][ T8144] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.792861][ T8140] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.833189][ T8140] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.903863][ T8140] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.947388][ T8140] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.003735][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.021638][ T8144] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 60.094299][ T8135] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.107639][ T8142] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.173259][ T8142] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.212566][ T8151] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.220002][ T8151] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.236944][ T8135] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.250093][ T8132] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.257878][ T8142] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.324723][ T8151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.333957][ T8151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.358169][ T3882] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.366992][ T3882] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.375828][ T3882] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.382937][ T3882] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.391427][ T3882] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.399933][ T3882] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.408663][ T3882] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.415772][ T3882] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.424841][ T8142] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.513226][ T3882] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.574749][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.588324][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.597163][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.605937][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.615081][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.624791][ T8144] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.652561][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.663581][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.672855][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.691750][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.703899][ T8137] 8021q: adding VLAN 0 to HW filter on device bond0 [ 165.710792][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.717607][ C0] rcu: 0-...!: (10499 ticks this GP) idle=326/1/0x4000000000000002 softirq=10849/10849 fqs=0 [ 165.728119][ C0] (t=10501 jiffies g=6321 q=61) [ 165.733050][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g6321 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 165.744132][ C0] rcu: RCU grace-period kthread stack dump: [ 165.750011][ C0] rcu_preempt R running task 28864 10 2 0x80004000 [ 165.757912][ C0] Call Trace: [ 165.761202][ C0] __schedule+0x9a0/0xcc0 [ 165.765531][ C0] schedule+0x181/0x210 [ 165.769676][ C0] schedule_timeout+0x14f/0x240 [ 165.774516][ C0] ? run_local_timers+0x120/0x120 [ 165.779534][ C0] rcu_gp_kthread+0xed8/0x1770 [ 165.789244][ C0] kthread+0x332/0x350 [ 165.793306][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.798402][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.802980][ C0] ret_from_fork+0x24/0x30 [ 165.807400][ C0] NMI backtrace for cpu 0 [ 165.811722][ C0] CPU: 0 PID: 8137 Comm: syz-executor.2 Not tainted 5.4.0-syzkaller #0 [ 165.819938][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.829983][ C0] Call Trace: [ 165.833260][ C0] [ 165.836189][ C0] dump_stack+0x1fb/0x318 [ 165.840513][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.845351][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.851493][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.857548][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.863521][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.869397][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.874503][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.879693][ C0] ? trace_hardirqs_off+0x74/0x80 [ 165.884706][ C0] update_process_times+0x12d/0x180 [ 165.889893][ C0] tick_sched_timer+0x263/0x420 [ 165.894732][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.900292][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.905494][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.910438][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.915713][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.921252][ C0] apic_timer_interrupt+0xf/0x20 [ 165.926176][ C0] [ 165.929106][ C0] RIP: 0010:__memcg_kmem_uncharge+0x44/0x2e0 [ 165.935083][ C0] Code: 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 d3 e0 <4d> 85 ff 0f 84 bf 01 00 00 4c 39 3d 04 ce 8c 07 0f 84 6e 02 00 00 [ 165.954675][ C0] RSP: 0018:ffffc90002387c08 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.963072][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 165.971034][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00025c8900 [ 165.979001][ C0] RBP: ffffc90002387c38 R08: 000000000003a768 R09: fffffbfff120248a [ 165.986961][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffffea00025c8900 [ 165.994921][ C0] R13: 1ffffd40004b9127 R14: ffffea00025c8938 R15: 0000000000000000 [ 166.002901][ C0] ? free_thread_stack+0x124/0x590 [ 166.008006][ C0] free_thread_stack+0x12e/0x590 [ 166.012932][ C0] put_task_stack+0xa3/0x130 [ 166.017510][ C0] finish_task_switch+0x3f1/0x550 [ 166.022531][ C0] __schedule+0x9a8/0xcc0 [ 166.026861][ C0] preempt_schedule_irq+0xc1/0x140 [ 166.031961][ C0] retint_kernel+0x1b/0x2b [ 166.036370][ C0] RIP: 0010:tomoyo_file_ioctl+0x0/0x30 [ 166.041817][ C0] Code: 41 5f 5d c3 e8 01 33 f2 fd 90 55 48 89 e5 53 48 89 fb e8 03 26 20 fe bf 05 00 00 00 48 89 de 31 d2 e8 44 02 ff ff 5b 5d c3 90 <55> 48 89 e5 41 56 53 41 89 f6 48 89 fb e8 de 25 20 fe 48 8d 73 10 [ 166.061522][ C0] RSP: 0018:ffffc90002387e98 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.069930][ C0] RAX: 1ffffffff123df79 RBX: ffffffff891efbb0 RCX: ffff8880a909a680 [ 166.079542][ C0] RDX: 00007ffdf4a79b40 RSI: 0000000000008933 RDI: ffff88809d5aaac0 [ 166.087500][ C0] RBP: ffffc90002387ed0 R08: ffffffff83480269 R09: ffffc90002387e40 [ 166.095481][ C0] R10: fffff52000470fcc R11: 0000000000000000 R12: ffff88809d5aaac0 [ 166.103459][ C0] R13: ffffffff891efbc8 R14: dffffc0000000000 R15: 0000000000008933 [ 166.111444][ C0] ? security_file_ioctl+0x79/0xd0 [ 166.116552][ C0] ? security_file_ioctl+0x6d/0xd0 [ 166.121658][ C0] __x64_sys_ioctl+0xa3/0x120 [ 166.126330][ C0] do_syscall_64+0xf7/0x1c0 [ 166.130828][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.136709][ C0] RIP: 0033:0x45a4e7 [ 166.140594][ C0] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 166.160368][ C0] RSP: 002b:00007ffdf4a79b38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 166.168770][ C0] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045a4e7 [ 166.176727][ C0] RDX: 00007ffdf4a79b40 RSI: 0000000000008933 RDI: 0000000000000004 [ 166.184689][ C0] RBP: 00000000004bfb9f R08: 000000000000000a R09: 000000000000000a [ 166.192646][ C0] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000003 [ 166.200603][ C0] R13: 0000000000000006 R14: 0000000000000000 R15: 00007ffdf4a79de0