[ 41.985888][ T23] audit: type=1800 audit(1575416276.477:26): pid=7979 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0
[ 42.034873][ T23] audit: type=1800 audit(1575416276.477:27): pid=7979 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0
[ 42.078054][ T23] audit: type=1800 audit(1575416276.477:28): pid=7979 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[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[ 42.576939][ T23] audit: type=1800 audit(1575416277.087:29): pid=7979 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 '10.128.15.223' (ECDSA) to the list of known hosts.
2019/12/03 23:38:06 fuzzer started
2019/12/03 23:38:07 dialing manager at 10.128.0.26:42111
2019/12/03 23:38:07 syscalls: 2689
2019/12/03 23:38:07 code coverage: enabled
2019/12/03 23:38:07 comparison tracing: enabled
2019/12/03 23:38:07 extra coverage: extra coverage is not supported by the kernel
2019/12/03 23:38:07 setuid sandbox: enabled
2019/12/03 23:38:07 namespace sandbox: enabled
2019/12/03 23:38:07 Android sandbox: /sys/fs/selinux/policy does not exist
2019/12/03 23:38:07 fault injection: enabled
2019/12/03 23:38:07 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/12/03 23:38:07 net packet injection: enabled
2019/12/03 23:38:07 net device setup: enabled
2019/12/03 23:38:07 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
2019/12/03 23:38:07 devlink PCI setup: PCI device 0000:00:10.0 is not available
23:38:08 executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x1, 0x1, 0x1, 0x2, 0x5, 0x0}, 0x3c)
bpf$MAP_CREATE(0x2, &(0x7f0000000100)={0x3, 0x0, 0x77fffb, 0x0, 0x820000, 0x0}, 0x2c)
exit(0x0)
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x0, &(0x7f0000000240)=""/4111, &(0x7f0000000040)=0x100f)
bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000040), &(0x7f0000000200)}, 0x20)
bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f0000000200)={r0, &(0x7f0000000040), &(0x7f00000001c0)=""/45}, 0x18)
23:38:08 executing program 1:
r0 = socket(0xa, 0x2, 0x0)
setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000300)=@broute={'broute\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x05\x00', 0x20, 0x2, 0x230, [0x0, 0x0, 0x0, 0x0, 0x0, 0x200004c0], 0x0, 0x0, &(0x7f00000004c0)=ANY=[@ANYBLOB="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"/560]}, 0x2a8)
syzkaller login: [ 54.236542][ T8142] IPVS: ftp: loaded support on port[0] = 21
[ 54.349249][ T8142] chnl_net:caif_netlink_parms(): no params data found
[ 54.408519][ T8142] bridge0: port 1(bridge_slave_0) entered blocking state
[ 54.424792][ T8142] bridge0: port 1(bridge_slave_0) entered disabled state
[ 54.434550][ T8142] device bridge_slave_0 entered promiscuous mode
[ 54.450858][ T8145] IPVS: ftp: loaded support on port[0] = 21
23:38:09 executing program 2:
symlinkat(0x0, 0xffffffffffffffff, &(0x7f0000000180)='./file0\x00')
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xd)
r0 = socket$inet6_sctp(0xa, 0x5, 0x84)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x4, 0x0, &(0x7f0000000180))
[ 54.458794][ T8142] bridge0: port 2(bridge_slave_1) entered blocking state
[ 54.469892][ T8142] bridge0: port 2(bridge_slave_1) entered disabled state
[ 54.479148][ T8142] device bridge_slave_1 entered promiscuous mode
[ 54.546968][ T8142] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 54.576845][ T8142] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 54.626128][ T8142] team0: Port device team_slave_0 added
[ 54.633236][ T8142] team0: Port device team_slave_1 added
23:38:09 executing program 3:
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 = socket$inet6(0xa, 0x1, 0x8010000000000084)
bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c)
connect$inet6(r0, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[], [], @local}}, 0x1c)
[ 54.716811][ T8142] device hsr_slave_0 entered promiscuous mode
[ 54.774982][ T8142] device hsr_slave_1 entered promiscuous mode
[ 54.820617][ T8147] IPVS: ftp: loaded support on port[0] = 21
[ 54.916791][ T8150] IPVS: ftp: loaded support on port[0] = 21
[ 54.936386][ T8145] chnl_net:caif_netlink_parms(): no params data found
23:38:09 executing program 4:
r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
r2 = dup3(r0, r1, 0x0)
ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200)
syz_mount_image$reiserfs(&(0x7f0000000280)='reiserfs\x00', &(0x7f00000002c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000002680)={[{@errors_ro_remount='errors=ro-remount'}]})
[ 55.016280][ T8142] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 55.105666][ T8142] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 55.148925][ T8142] netdevsim netdevsim0 netdevsim2: renamed from eth2
23:38:09 executing program 5:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
r2 = dup(r1)
ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200)
sendmsg$nl_xfrm(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=@newsa={0x138, 0x10, 0x713, 0x0, 0x0, {{@in6=@mcast2}, {@in=@local, 0x0, 0x32}, @in=@multicast1, {}, {}, {}, 0x0, 0x0, 0x2}, [@algo_crypt={0x48, 0x2, {{'cbc(aes)\x00'}}}]}, 0x138}}, 0x0)
[ 55.207981][ T8145] bridge0: port 1(bridge_slave_0) entered blocking state
[ 55.216975][ T8145] bridge0: port 1(bridge_slave_0) entered disabled state
[ 55.225327][ T8145] device bridge_slave_0 entered promiscuous mode
[ 55.282142][ T8142] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 55.333171][ T8142] bridge0: port 2(bridge_slave_1) entered blocking state
[ 55.340323][ T8142] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 55.348218][ T8142] bridge0: port 1(bridge_slave_0) entered blocking state
[ 55.355355][ T8142] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 55.366451][ T8145] bridge0: port 2(bridge_slave_1) entered blocking state
[ 55.373530][ T8145] bridge0: port 2(bridge_slave_1) entered disabled state
[ 55.381350][ T8145] device bridge_slave_1 entered promiscuous mode
[ 55.392842][ T12] bridge0: port 1(bridge_slave_0) entered disabled state
[ 55.401484][ T12] bridge0: port 2(bridge_slave_1) entered disabled state
[ 55.420927][ T8153] IPVS: ftp: loaded support on port[0] = 21
[ 55.432805][ T8156] IPVS: ftp: loaded support on port[0] = 21
[ 55.453930][ T8147] chnl_net:caif_netlink_parms(): no params data found
[ 55.504448][ T8145] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 55.517315][ T8145] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 55.557643][ T8150] chnl_net:caif_netlink_parms(): no params data found
[ 55.575855][ T8145] team0: Port device team_slave_0 added
[ 55.600009][ T8145] team0: Port device team_slave_1 added
[ 55.621100][ T8147] bridge0: port 1(bridge_slave_0) entered blocking state
[ 55.629201][ T8147] bridge0: port 1(bridge_slave_0) entered disabled state
[ 55.637110][ T8147] device bridge_slave_0 entered promiscuous mode
[ 55.649048][ T8147] bridge0: port 2(bridge_slave_1) entered blocking state
[ 55.657054][ T8147] bridge0: port 2(bridge_slave_1) entered disabled state
[ 55.664857][ T8147] device bridge_slave_1 entered promiscuous mode
[ 55.727366][ T8145] device hsr_slave_0 entered promiscuous mode
[ 55.764986][ T8145] device hsr_slave_1 entered promiscuous mode
[ 55.804773][ T8145] debugfs: Directory 'hsr0' with parent '/' already present!
[ 55.851194][ T8150] bridge0: port 1(bridge_slave_0) entered blocking state
[ 55.858727][ T8150] bridge0: port 1(bridge_slave_0) entered disabled state
[ 55.866584][ T8150] device bridge_slave_0 entered promiscuous mode
[ 55.878387][ T8150] bridge0: port 2(bridge_slave_1) entered blocking state
[ 55.885504][ T8150] bridge0: port 2(bridge_slave_1) entered disabled state
[ 55.893173][ T8150] device bridge_slave_1 entered promiscuous mode
[ 55.913540][ T8150] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 55.926403][ T8147] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 55.940708][ T8147] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 55.953141][ T8150] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 55.970463][ T8142] 8021q: adding VLAN 0 to HW filter on device bond0
[ 56.001786][ T8147] team0: Port device team_slave_0 added
[ 56.014472][ T8145] netdevsim netdevsim1 netdevsim0: renamed from eth0
[ 56.037259][ T8147] team0: Port device team_slave_1 added
[ 56.049679][ T8150] team0: Port device team_slave_0 added
[ 56.069116][ T8145] netdevsim netdevsim1 netdevsim1: renamed from eth1
[ 56.132934][ T8150] team0: Port device team_slave_1 added
[ 56.153631][ T8153] chnl_net:caif_netlink_parms(): no params data found
[ 56.171070][ T8145] netdevsim netdevsim1 netdevsim2: renamed from eth2
[ 56.232110][ T8145] netdevsim netdevsim1 netdevsim3: renamed from eth3
[ 56.337531][ T8147] device hsr_slave_0 entered promiscuous mode
[ 56.384929][ T8147] device hsr_slave_1 entered promiscuous mode
[ 56.435476][ T8147] debugfs: Directory 'hsr0' with parent '/' already present!
[ 56.456651][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 56.465507][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 56.477845][ T8142] 8021q: adding VLAN 0 to HW filter on device team0
[ 56.557333][ T8150] device hsr_slave_0 entered promiscuous mode
[ 56.595413][ T8150] device hsr_slave_1 entered promiscuous mode
[ 56.654748][ T8150] debugfs: Directory 'hsr0' with parent '/' already present!
[ 56.671186][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 56.681505][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 56.690109][ T8152] bridge0: port 1(bridge_slave_0) entered blocking state
[ 56.697393][ T8152] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 56.705530][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 56.714130][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 56.722744][ T8152] bridge0: port 2(bridge_slave_1) entered blocking state
[ 56.729961][ T8152] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 56.761719][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 56.770720][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 56.780404][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 56.789531][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 56.799333][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 56.809772][ T8156] chnl_net:caif_netlink_parms(): no params data found
[ 56.829258][ T8153] bridge0: port 1(bridge_slave_0) entered blocking state
[ 56.836487][ T8153] bridge0: port 1(bridge_slave_0) entered disabled state
[ 56.844197][ T8153] device bridge_slave_0 entered promiscuous mode
[ 56.852326][ T8153] bridge0: port 2(bridge_slave_1) entered blocking state
[ 56.862000][ T8153] bridge0: port 2(bridge_slave_1) entered disabled state
[ 56.870038][ T8153] device bridge_slave_1 entered promiscuous mode
[ 56.934905][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 56.950717][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 56.963007][ T8150] netdevsim netdevsim3 netdevsim0: renamed from eth0
[ 57.017426][ T8147] netdevsim netdevsim2 netdevsim0: renamed from eth0
[ 57.086072][ T8156] bridge0: port 1(bridge_slave_0) entered blocking state
[ 57.093156][ T8156] bridge0: port 1(bridge_slave_0) entered disabled state
[ 57.101054][ T8156] device bridge_slave_0 entered promiscuous mode
[ 57.109595][ T8156] bridge0: port 2(bridge_slave_1) entered blocking state
[ 57.116759][ T8156] bridge0: port 2(bridge_slave_1) entered disabled state
[ 57.124455][ T8156] device bridge_slave_1 entered promiscuous mode
[ 57.132946][ T8153] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 57.146400][ T8153] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 57.156328][ T8150] netdevsim netdevsim3 netdevsim1: renamed from eth1
[ 57.196016][ T8147] netdevsim netdevsim2 netdevsim1: renamed from eth1
[ 57.248891][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 57.257883][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 57.270596][ T8142] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 57.282934][ T8142] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 57.307081][ T8145] 8021q: adding VLAN 0 to HW filter on device bond0
[ 57.317630][ T8150] netdevsim netdevsim3 netdevsim2: renamed from eth2
[ 57.366219][ T8147] netdevsim netdevsim2 netdevsim2: renamed from eth2
[ 57.406016][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 57.414788][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 57.439794][ T8150] netdevsim netdevsim3 netdevsim3: renamed from eth3
[ 57.486340][ T8147] netdevsim netdevsim2 netdevsim3: renamed from eth3
[ 57.528092][ T8156] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 57.543980][ T8156] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 57.559179][ T8153] team0: Port device team_slave_0 added
[ 57.567339][ T3208] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 57.574925][ T3208] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 57.590294][ T8142] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 57.603637][ T8153] team0: Port device team_slave_1 added
[ 57.622161][ T8145] 8021q: adding VLAN 0 to HW filter on device team0
[ 57.638105][ T8156] team0: Port device team_slave_0 added
[ 57.646654][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 57.654360][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 57.727465][ T8153] device hsr_slave_0 entered promiscuous mode
[ 57.765332][ T8153] device hsr_slave_1 entered promiscuous mode
[ 57.804951][ T8153] debugfs: Directory 'hsr0' with parent '/' already present!
[ 57.814133][ T8156] team0: Port device team_slave_1 added
[ 57.836335][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 57.847678][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 57.856437][ T17] bridge0: port 1(bridge_slave_0) entered blocking state
[ 57.863484][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 57.872669][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 57.881236][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 57.889609][ T17] bridge0: port 2(bridge_slave_1) entered blocking state
[ 57.896667][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 57.904431][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 57.913493][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 57.922017][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 57.930477][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 57.939668][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 57.948611][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 57.957108][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 57.965651][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 58.037949][ T8145] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 58.054258][ T8145] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 58.092301][ T8145] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 58.140009][ T8153] netdevsim netdevsim4 netdevsim0: renamed from eth0
[ 163.004564][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 163.011344][ C1] rcu: 1-....: (10499 ticks this GP) idle=47a/1/0x4000000000000002 softirq=11727/11727 fqs=2812
[ 163.022071][ C1] (t=10501 jiffies g=6053 q=354)
[ 163.027086][ C1] rcu: rcu_preempt kthread starved for 4877 jiffies! g6053 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 163.038113][ C1] rcu: RCU grace-period kthread stack dump:
[ 163.043989][ C1] rcu_preempt R running task 29104 10 2 0x80004000
[ 163.051873][ C1] Call Trace:
[ 163.055159][ C1] __schedule+0x9a0/0xcc0
[ 163.059487][ C1] schedule+0x181/0x210
[ 163.063660][ C1] schedule_timeout+0x14f/0x240
[ 163.068576][ C1] ? run_local_timers+0x120/0x120
[ 163.073615][ C1] rcu_gp_kthread+0xed8/0x1770
[ 163.078414][ C1] kthread+0x332/0x350
[ 163.082480][ C1] ? rcu_report_qs_rsp+0x140/0x140
[ 163.087591][ C1] ? kthread_blkcg+0xe0/0xe0
[ 163.092186][ C1] ret_from_fork+0x24/0x30
[ 163.096608][ C1] NMI backtrace for cpu 1
[ 163.100927][ C1] CPU: 1 PID: 8163 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0
[ 163.109145][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 163.119187][ C1] Call Trace:
[ 163.122458][ C1] <IRQ>
[ 163.125303][ C1] dump_stack+0x1fb/0x318
[ 163.129629][ C1] nmi_cpu_backtrace+0xaf/0x1a0
[ 163.134468][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290
[ 163.140615][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 163.146670][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290
[ 163.152646][ C1] arch_trigger_cpumask_backtrace+0x10/0x20
[ 163.158528][ C1] rcu_dump_cpu_stacks+0x15a/0x220
[ 163.163634][ C1] rcu_sched_clock_irq+0xe25/0x1ad0
[ 163.168825][ C1] ? trace_hardirqs_off+0x74/0x80
[ 163.173848][ C1] update_process_times+0x12d/0x180
[ 163.179037][ C1] tick_sched_timer+0x263/0x420
[ 163.183876][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0
[ 163.189501][ C1] __hrtimer_run_queues+0x403/0x840
[ 163.194714][ C1] hrtimer_interrupt+0x38c/0xda0
[ 163.199652][ C1] ? debug_smp_processor_id+0x9/0x20
[ 163.204927][ C1] smp_apic_timer_interrupt+0x109/0x280
[ 163.210462][ C1] apic_timer_interrupt+0xf/0x20
[ 163.215381][ C1] </IRQ>
[ 163.218306][ C1] RIP: 0010:mod_memcg_page_state+0x164/0x190
[ 163.224275][ C1] Code: 74 0c 48 c7 c7 28 96 0a 89 e8 a8 9e 69 00 48 83 3d c8 21 c2 07 00 74 2d e8 99 27 2e 00 4c 89 ff 57 9d 0f 1f 44 00 00 5b 41 5c <41> 5e 41 5f 5d c3 e8 81 27 2e 00 0f 0b e8 7a 27 2e 00 0f 0b e8 73
[ 163.243884][ C1] RSP: 0018:ffffc900020e7490 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[ 163.252305][ C1] RAX: ffffffff81487433 RBX: ffff8880a77c9f88 RCX: ffff8880a749a600
[ 163.260266][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00029fa780
[ 163.268222][ C1] RBP: ffffc900020e74a0 R08: dffffc0000000000 R09: fffffbfff120248a
[ 163.276179][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff88809af59020
[ 163.284136][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88809f6615e8
[ 163.292108][ C1] ? mod_memcg_page_state+0x123/0x190
[ 163.297476][ C1] free_thread_stack+0x168/0x590
[ 163.302403][ C1] put_task_stack+0xa3/0x130
[ 163.306981][ C1] finish_task_switch+0x3f1/0x550
[ 163.311995][ C1] __schedule+0x9a8/0xcc0
[ 163.316323][ C1] ? ___preempt_schedule_notrace+0x16/0x27
[ 163.322133][ C1] preempt_schedule_notrace+0xdb/0x120
[ 163.327580][ C1] ___preempt_schedule_notrace+0x16/0x27
[ 163.333204][ C1] ? rcu_is_watching+0x57/0xa0
[ 163.337955][ C1] rcu_is_watching+0x82/0xa0
[ 163.342618][ C1] memcg_kmem_get_cache+0x301/0x590
[ 163.347801][ C1] ? __should_failslab+0x11a/0x160
[ 163.352898][ C1] ? proc_alloc_inode+0x1f/0xe0
[ 163.357733][ C1] kmem_cache_alloc+0x86/0x2e0
[ 163.362481][ C1] ? init_once+0x20/0x20
[ 163.366713][ C1] proc_alloc_inode+0x1f/0xe0
[ 163.371372][ C1] ? init_once+0x20/0x20
[ 163.375604][ C1] new_inode_pseudo+0x68/0x240
[ 163.380359][ C1] new_inode+0x28/0x1c0
[ 163.384509][ C1] proc_pid_make_inode+0x27/0x1d0
[ 163.389526][ C1] proc_pid_instantiate+0x4f/0x1a0
[ 163.394627][ C1] proc_pid_lookup+0x21f/0x300
[ 163.399382][ C1] proc_root_lookup+0x22/0x50
[ 163.404050][ C1] __lookup_slow+0x285/0x380
[ 163.408636][ C1] walk_component+0x2d6/0x7b0
[ 163.413301][ C1] ? inode_permission+0xe0/0x520
[ 163.418239][ C1] link_path_walk+0x75b/0x1410
[ 163.423015][ C1] path_openat+0x139/0x44a0
[ 163.427524][ C1] ? __kasan_kmalloc+0x178/0x1b0
[ 163.432457][ C1] ? rcu_read_lock_sched_held+0x10b/0x170
[ 163.438192][ C1] do_filp_open+0x192/0x3d0
[ 163.442693][ C1] ? noop_direct_IO+0x20/0x20
[ 163.447370][ C1] do_sys_open+0x29f/0x560
[ 163.451783][ C1] __x64_sys_open+0x87/0x90
[ 163.456275][ C1] do_syscall_64+0xf7/0x1c0
[ 163.460770][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 163.467042][ C1] RIP: 0033:0x4143f0
[ 163.470932][ C1] Code: 05 48 3d 01 f0 ff ff 0f 83 2d 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d 7d 40 66 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff
[ 163.490956][ C1] RSP: 002b:00007ffc7ffe6fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
[ 163.499476][ C1] RAX: ffffffffffffffda RBX: 00007ffc7ffe7004 RCX: 00000000004143f0
[ 163.508499][ C1] RDX: 00007ffc7ffe700a RSI: 0000000000080001 RDI: 00000000004c00fb
[ 163.517032][ C1] RBP: 00007ffc7ffe7000 R08: 0000000000000000 R09: 0000000000000004
[ 163.525024][ C1] R10: 0000000000000075 R11: 0000000000000246 R12: 00000000004c00fb
[ 163.532989][ C1] R13: 00007ffc7ffe7520 R14: 0000000000000000 R15: 00007ffc7ffe7530