[ 42.546318][ T25] audit: type=1800 audit(1575366295.912:26): pid=7945 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.593728][ T25] audit: type=1800 audit(1575366295.922:27): pid=7945 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.631894][ T25] audit: type=1800 audit(1575366295.922:28): pid=7945 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. [ 43.312910][ T25] audit: type=1800 audit(1575366296.692:29): pid=7945 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 '10.128.10.63' (ECDSA) to the list of known hosts. 2019/12/03 09:45:06 fuzzer started 2019/12/03 09:45:08 dialing manager at 10.128.0.26:38907 2019/12/03 09:45:08 syscalls: 2697 2019/12/03 09:45:08 code coverage: enabled 2019/12/03 09:45:08 comparison tracing: enabled 2019/12/03 09:45:08 extra coverage: extra coverage is not supported by the kernel 2019/12/03 09:45:08 setuid sandbox: enabled 2019/12/03 09:45:08 namespace sandbox: enabled 2019/12/03 09:45:08 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 09:45:08 fault injection: enabled 2019/12/03 09:45:08 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 09:45:08 net packet injection: enabled 2019/12/03 09:45:08 net device setup: enabled 2019/12/03 09:45:08 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 09:45:08 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:45:09 executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x7c774aac) mmap(&(0x7f0000a00000/0x600000)=nil, 0x600000, 0xc, 0x2011, r0, 0x0) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x0, 0x5c832, 0xffffffffffffffff, 0x0) 09:45:09 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000380)={0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000005c0)=ANY=[@ANYBLOB="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", @ANYRES32=0x0], 0x20}}, 0x0) r2 = socket(0x10, 0x80002, 0x0) sendmmsg$alg(r2, &(0x7f0000000140)=[{0x6, 0x0, &(0x7f0000000100), 0x6, &(0x7f0000000100)}], 0x492492492492b27, 0x0) syzkaller login: [ 56.092138][ T8111] IPVS: ftp: loaded support on port[0] = 21 [ 56.220995][ T8113] IPVS: ftp: loaded support on port[0] = 21 09:45:09 executing program 2: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0xeb, 0x0, 0x0, 0x0, 0x0, 0x7, 0x4400, 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, 0x1, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) [ 56.317586][ T8111] chnl_net:caif_netlink_parms(): no params data found [ 56.421284][ T8113] chnl_net:caif_netlink_parms(): no params data found [ 56.431885][ T8111] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.439983][ T8111] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.449336][ T8111] device bridge_slave_0 entered promiscuous mode [ 56.475361][ T8111] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.482446][ T8111] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.491937][ T8111] device bridge_slave_1 entered promiscuous mode [ 56.520977][ T8111] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.535108][ T8111] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.545206][ T8113] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.552309][ T8113] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.578563][ T8113] device bridge_slave_0 entered promiscuous mode [ 56.603379][ T8113] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.610462][ T8113] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.618902][ T8113] device bridge_slave_1 entered promiscuous mode 09:45:10 executing program 3: perf_event_open(&(0x7f0000000080)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x8000002}, 0x1c) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000240)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb-cipher_null\x00'}, 0x58) r2 = accept4(r1, 0x0, 0x0, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000740)='net/dev\x00') sendfile(r2, r3, 0x0, 0x50000000000443) signalfd(r3, &(0x7f0000000240)={0x5}, 0x8) fchmod(0xffffffffffffffff, 0x80) splice(r0, 0x0, 0xffffffffffffffff, 0x0, 0x1000000000000003, 0x0) ioctl$sock_SIOCSPGRP(0xffffffffffffffff, 0x8902, &(0x7f0000000100)) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) ioctl$sock_TIOCOUTQ(0xffffffffffffffff, 0x5411, &(0x7f0000000200)) openat$dlm_monitor(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/dlm-monitor\x00', 0x4040, 0x0) r4 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$int_in(r4, 0x40000000af01, 0x0) close(0xffffffffffffffff) ioctl$VHOST_SET_MEM_TABLE(r4, 0x4008af03, 0x0) ioctl$VHOST_NET_SET_BACKEND(r4, 0x4008af30, &(0x7f0000d7c000)) socket$inet6_sctp(0xa, 0x5, 0x84) socket$inet6_sctp(0xa, 0x10000000005, 0x84) [ 56.641840][ T8111] team0: Port device team_slave_0 added [ 56.657195][ T8113] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.668038][ T8111] team0: Port device team_slave_1 added [ 56.678486][ T8113] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.695572][ T8117] IPVS: ftp: loaded support on port[0] = 21 [ 56.757762][ T8111] device hsr_slave_0 entered promiscuous mode [ 56.815350][ T8111] device hsr_slave_1 entered promiscuous mode 09:45:10 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x3, 0x3, &(0x7f0000000040)=@framed={{0x15, 0xa, 0x0, 0x0, 0x0, 0x71, 0x10, 0x8f}}, &(0x7f0000000080)='GPL\x04\x9c5\x14\xbfw-\xa0z\xe8.vY\n6\xf6I>\xc1\xab\x91\xb3\x97\xe4*\xbf\x1e\xa6\xcd\x8c\xd7t\'\xfc\x9a\x9e+qe\xf5+A\a\xbf\bP\xd8\x99\xdcR\xd0\x13\x17]\xdb\x1b/F <*\x05\xb7\"\xe3>Uo\xb2\xe3\xf3\x9a<\xde\x1f\xcaSd\x037\xec\x95aF\xbd\xbf\xcb\x11Pp\x19V1\xde]!\xa5\xea\x9ec\x8c+\xdbx\xa5\x01\xcaKn\xa3\x13\xd8%h\xf98,,?o\xab\xa6\xb4\xeeTy;N\xd2m\xae>R\"P)\xbb*\xc0\x00\x7fwuL?#\xce\xda\x98\t\xb9\xa9hJ\x94\n\xbc\xaa\x8c\xfc\xc7\x13>\xc4\"\xe9\xc88\x881\x8dA\xe9\xa4\x93\xf0\x19_\xe2Y\x96Q\xb8\x95\x04\xf5\xdb\xa1F%\xce#f\xf3=\x95\xdb\xa9/\x86ry\xca\xbfJ\xce\xdd\xc8Z\x8a\xf7\xa0\xfah\xd7g\xceQ6\xb9\xd0\xd1\x96lI\x9c\xb6\xbf4\xc2\x7f\x00'/248}, 0x48) [ 56.863853][ T8113] team0: Port device team_slave_0 added [ 56.879265][ T8113] team0: Port device team_slave_1 added [ 56.931475][ T8119] IPVS: ftp: loaded support on port[0] = 21 [ 56.942877][ T8111] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.055862][ T8113] device hsr_slave_0 entered promiscuous mode 09:45:10 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000100)='/dev/fb0\x00', 0x0, 0x0) ioctl$TIOCSTI(r0, 0x4602, 0x72008b) [ 57.113690][ T8113] device hsr_slave_1 entered promiscuous mode [ 57.143758][ T8113] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.151516][ T8111] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.216994][ T8111] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.256531][ T8111] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.358784][ T8121] IPVS: ftp: loaded support on port[0] = 21 [ 57.406209][ T8123] IPVS: ftp: loaded support on port[0] = 21 [ 57.419282][ T8113] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.493490][ T8113] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.526432][ T8113] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.577425][ T8113] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.659389][ T8117] chnl_net:caif_netlink_parms(): no params data found [ 57.698244][ T8111] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.748443][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.757445][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.777311][ T8117] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.784468][ T8117] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.792409][ T8117] device bridge_slave_0 entered promiscuous mode [ 57.800270][ T8121] chnl_net:caif_netlink_parms(): no params data found [ 57.816157][ T8111] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.825489][ T8117] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.832559][ T8117] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.842222][ T8117] device bridge_slave_1 entered promiscuous mode [ 57.901749][ T8117] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.911304][ T8121] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.919293][ T8121] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.927239][ T8121] device bridge_slave_0 entered promiscuous mode [ 57.936859][ T8121] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.944052][ T8121] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.951628][ T8121] device bridge_slave_1 entered promiscuous mode [ 57.966808][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.975920][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.986507][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.993658][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.001950][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.015965][ T8117] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.055065][ T8121] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.067544][ T8121] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.078086][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.086943][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.095551][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.102574][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.110170][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.118569][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.134153][ T8119] chnl_net:caif_netlink_parms(): no params data found [ 58.174739][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.183795][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.192003][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.200624][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.208945][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.217078][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.225322][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.234153][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.242342][ T8124] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.254887][ T8111] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.265397][ T8117] team0: Port device team_slave_0 added [ 58.284530][ T8113] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.312783][ T8121] team0: Port device team_slave_0 added [ 58.319972][ T8117] team0: Port device team_slave_1 added [ 58.340927][ T8113] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.350388][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.359979][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.368236][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.375995][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.388551][ T8111] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.398168][ T8121] team0: Port device team_slave_1 added [ 58.411179][ T8119] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.418595][ T8119] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.426408][ T8119] device bridge_slave_0 entered promiscuous mode [ 58.485208][ T8117] device hsr_slave_0 entered promiscuous mode [ 58.543651][ T8117] device hsr_slave_1 entered promiscuous mode [ 58.583562][ T8117] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.635983][ T8121] device hsr_slave_0 entered promiscuous mode [ 58.673613][ T8121] device hsr_slave_1 entered promiscuous mode [ 58.713547][ T8121] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.721201][ T8119] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.729002][ T8119] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.736729][ T8119] device bridge_slave_1 entered promiscuous mode [ 58.747558][ T8123] chnl_net:caif_netlink_parms(): no params data found [ 58.776646][ T8129] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.785241][ T8129] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.793674][ T8129] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.800837][ T8129] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.810354][ T8129] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.824118][ T8129] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.832476][ T8129] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.839579][ T8129] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.847202][ T8129] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.855791][ T8129] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.864335][ T8129] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.872814][ T8129] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.881860][ T8129] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.889733][ T8129] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 163.903240][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 163.909993][ C1] rcu: 1-...!: (1 GPs behind) idle=dc2/1/0x4000000000000002 softirq=10557/10568 fqs=35 [ 163.919932][ C1] (t=10501 jiffies g=5981 q=55) [ 163.924946][ C1] rcu: rcu_preempt kthread starved for 10432 jiffies! g5981 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 163.936024][ C1] rcu: RCU grace-period kthread stack dump: [ 163.941897][ C1] rcu_preempt R running task 29048 10 2 0x80004000 [ 163.949781][ C1] Call Trace: [ 163.953065][ C1] __schedule+0x9a0/0xcc0 [ 163.957913][ C1] schedule+0x181/0x210 [ 163.962056][ C1] schedule_timeout+0x14f/0x240 [ 163.966912][ C1] ? run_local_timers+0x120/0x120 [ 163.972016][ C1] rcu_gp_kthread+0xed8/0x1770 [ 163.976784][ C1] kthread+0x332/0x350 [ 163.980848][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 163.985963][ C1] ? kthread_blkcg+0xe0/0xe0 [ 163.990549][ C1] ret_from_fork+0x24/0x30 [ 163.994971][ C1] NMI backtrace for cpu 1 [ 163.999290][ C1] CPU: 1 PID: 8132 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 164.007506][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.017545][ C1] Call Trace: [ 164.020816][ C1] [ 164.023657][ C1] dump_stack+0x1fb/0x318 [ 164.027978][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.032813][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.038961][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.045014][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.050982][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.056858][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.062046][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.067233][ C1] ? trace_hardirqs_off+0x74/0x80 [ 164.072244][ C1] update_process_times+0x12d/0x180 [ 164.077432][ C1] tick_sched_timer+0x263/0x420 [ 164.082267][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.087797][ C1] __hrtimer_run_queues+0x403/0x840 [ 164.092998][ C1] hrtimer_interrupt+0x38c/0xda0 [ 164.097939][ C1] ? debug_smp_processor_id+0x9/0x20 [ 164.103225][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 164.108758][ C1] apic_timer_interrupt+0xf/0x20 [ 164.113674][ C1] [ 164.116600][ C1] RIP: 0010:__memcg_kmem_uncharge+0x0/0x2e0 [ 164.122476][ C1] Code: 00 eb 1b 83 3d 40 90 8c 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 dc 7d ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 [ 164.142072][ C1] RSP: 0018:ffffc900020975f0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.150469][ C1] RAX: ffffffff81486ea4 RBX: ffffea0002439440 RCX: 0000000000040000 [ 164.158427][ C1] RDX: ffffc900020b9000 RSI: 0000000000000000 RDI: ffffea0002439440 [ 164.166387][ C1] RBP: ffffc90002097630 R08: 000000000003a768 R09: ffffed10141f2a87 [ 164.174342][ C1] R10: ffffed10141f2a87 R11: 0000000000000000 R12: ffff8880987c0e20 [ 164.182301][ C1] R13: dffffc0000000000 R14: 1ffff110130f81c4 R15: ffff8880a0f95428 [ 164.190269][ C1] ? free_thread_stack+0x124/0x590 [ 164.195374][ C1] ? free_thread_stack+0x12e/0x590 [ 164.200471][ C1] put_task_stack+0xa3/0x130 [ 164.205049][ C1] finish_task_switch+0x3f1/0x550 [ 164.210066][ C1] __schedule+0x9a8/0xcc0 [ 164.214396][ C1] ? ___preempt_schedule+0x16/0x18 [ 164.219492][ C1] preempt_schedule+0xdb/0x120 [ 164.224244][ C1] ___preempt_schedule+0x16/0x18 [ 164.229173][ C1] _raw_write_unlock+0x3a/0x40 [ 164.233921][ C1] ext4_es_insert_delayed_block+0x3e2/0x490 [ 164.239810][ C1] ? ext4_da_reserve_space+0x1b8/0x260 [ 164.245276][ C1] ext4_da_get_block_prep+0x90f/0x1250 [ 164.250832][ C1] ? _raw_spin_unlock+0x27/0x40 [ 164.255677][ C1] ? create_empty_buffers+0x53f/0x5a0 [ 164.261047][ C1] ext4_block_write_begin+0x80c/0x13e0 [ 164.266501][ C1] ? trace_ext4_da_release_space+0x2d0/0x2d0 [ 164.272472][ C1] ext4_da_write_begin+0x70e/0xf70 [ 164.277584][ C1] generic_perform_write+0x25d/0x4e0 [ 164.282869][ C1] ext4_buffered_write_iter+0x467/0x5f0 [ 164.288406][ C1] ext4_file_write_iter+0x546/0x1f50 [ 164.293677][ C1] ? lock_acquire+0x158/0x250 [ 164.298338][ C1] ? __fdget_pos+0x243/0x2e0 [ 164.302922][ C1] ? iov_iter_init+0x8a/0x170 [ 164.307591][ C1] __vfs_write+0x5a1/0x740 [ 164.312008][ C1] vfs_write+0x275/0x590 [ 164.316263][ C1] ksys_write+0x117/0x220 [ 164.320582][ C1] __x64_sys_write+0x7b/0x90 [ 164.325165][ C1] do_syscall_64+0xf7/0x1c0 [ 164.329656][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.335535][ C1] RIP: 0033:0x45a679 [ 164.339415][ C1] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 164.359004][ C1] RSP: 002b:00007fd4c8aedc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 164.367403][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679 [ 164.375364][ C1] RDX: 000000007c774aac RSI: 0000000020000040 RDI: 0000000000000003 [ 164.383320][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 164.391292][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd4c8aee6d4 [ 164.399265][ C1] R13: 00000000004cba7c R14: 00000000004e5650 R15: 00000000ffffffff