运行ltp用例【read_all_sys read_all -d /sys -q -r 10】系统宕机

运行环境信息：
```
localhost:~ #uname -a
Linux localhost.localdomain 4.19.95-2002.6.0.0030.oe1.aarch64 #1 SMP Fri Mar 6 17:24:06 UTC 2020 aarch64 aarch64 aarch64 GNU/Linux
```

vmcore-dmesg.txt文件内容如下：
```
[   28.909326] hns3 0000:7d:00.2 enp125s0f2: link up
[  415.732898] loop: module loaded
[  417.165141] megaraid_sas 0000:03:00.0: Firmware crash dump is not available
[  417.217451] megaraid_sas 0000:03:00.0: Firmware crash dump is not available
[  417.224382] megaraid_sas 0000:03:00.0: Firmware crash dump is not available
[  417.231314] megaraid_sas 0000:03:00.0: Firmware crash dump is not available
[  417.238265] megaraid_sas 0000:03:00.0: Firmware crash dump is not available
[  417.245211] megaraid_sas 0000:03:00.0: Firmware crash dump is not available
[  417.252158] megaraid_sas 0000:03:00.0: Firmware crash dump is not available
[  417.259217] megaraid_sas 0000:03:00.0: Firmware crash dump is not available
[  417.266252] megaraid_sas 0000:03:00.0: Firmware crash dump is not available
[  417.273308] megaraid_sas 0000:03:00.0: Firmware crash dump is not available
[  418.526079] hns3 0000:7d:00.2: mailbox status 0x0!
[  418.530873] infiniband hns_1: SRQC query failed
[  418.530911] hns3 0000:7d:00.2: mailbox status 0x0!
[  418.540176] infiniband hns_1: SRQC query failed
[  418.540215] hns3 0000:7d:00.2: mailbox status 0x0!
[  418.549469] infiniband hns_1: SRQC query failed
[  418.549509] hns3 0000:7d:00.2: mailbox status 0x0!
[  418.558772] infiniband hns_1: SRQC query failed
[  418.558811] hns3 0000:7d:00.2: mailbox status 0x0!
[  418.568073] infiniband hns_1: SRQC query failed
[  418.568113] hns3 0000:7d:00.2: mailbox status 0x0!
[  418.577367] infiniband hns_1: SRQC query failed
[  418.577407] hns3 0000:7d:00.2: mailbox status 0x0!
[  418.586658] infiniband hns_1: SRQC query failed
[  418.586698] hns3 0000:7d:00.2: mailbox status 0x0!
[  418.595949] infiniband hns_1: SRQC query failed
[  418.595989] hns3 0000:7d:00.2: mailbox status 0x0!
[  418.605243] infiniband hns_1: SRQC query failed
[  418.605291] hns3 0000:7d:00.2: mailbox status 0x0!
[  418.614538] infiniband hns_1: SRQC query failed
[  418.654970] hns3 0000:7d:00.0: mailbox status 0x0!
[  418.659748] infiniband hns_0: SRQC query failed
[  418.659786] hns3 0000:7d:00.0: mailbox status 0x0!
[  418.669036] infiniband hns_0: SRQC query failed
[  418.669076] hns3 0000:7d:00.0: mailbox status 0x0!
[  418.678338] infiniband hns_0: SRQC query failed
[  418.678377] hns3 0000:7d:00.0: mailbox status 0x0!
[  418.687639] infiniband hns_0: SRQC query failed
[  418.687679] hns3 0000:7d:00.0: mailbox status 0x0!
[  418.696929] infiniband hns_0: SRQC query failed
[  418.696970] hns3 0000:7d:00.0: mailbox status 0x0!
[  418.706218] infiniband hns_0: SRQC query failed
[  418.706259] hns3 0000:7d:00.0: mailbox status 0x0!
[  418.715508] infiniband hns_0: SRQC query failed
[  418.715549] hns3 0000:7d:00.0: mailbox status 0x0!
[  418.724794] infiniband hns_0: SRQC query failed
[  418.724831] hns3 0000:7d:00.0: mailbox status 0x0!
[  418.734087] infiniband hns_0: SRQC query failed
[  418.734132] hns3 0000:7d:00.0: mailbox status 0x0!
[  418.743378] infiniband hns_0: SRQC query failed
[  418.798921] WARNING! power/level is deprecated; use power/control instead
[  420.587373] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000007
[  420.587423] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000007
[  420.587667] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000007
[  420.587670] Mem abort info:
[  420.587671]   ESR = 0x96000007
[  420.587672]   Exception class = DABT (current EL), IL = 32 bits
[  420.587673]   SET = 0, FnV = 0
[  420.587674]   EA = 0, S1PTW = 0
[  420.587675] Data abort info:
[  420.587676]   ISV = 0, ISS = 0x00000007
[  420.587676]   CM = 0, WnR = 0
[  420.587679] user pgtable: 64k pages, 48-bit VAs, pgdp = 000000006e6cb930
[  420.587680] [0000000000000007] pgd=0000202fc6ae0003, pud=0000202fc6ae0003, pmd=0000202fc8ea0003, pte=0000000000000000
[  420.587685] Internal error: Oops: 96000007 [#1] SMP
[  420.587688] Modules linked in: loop ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ip6table_nat nf_nat_ipv6 ip6table_mangle ip6table_raw rfkill ip6table_security iptable_nat nf_nat_ipv4 nf_nat iptable_mangle iptable_raw iptable_security nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables vfat fat dm_multipath dm_mod aes_ce_blk crypto_simd cryptd aes_ce_cipher ghash_ce sha2_ce ipmi_ssif sha256_arm64 sha1_ce ses ofpart enclosure cmdlinepart sbsa_gwdt hns_roce_hw_v2 hns_roce ipmi_si sg ib_core ipmi_devintf ipmi_msghandler hi_sfc mtd spi_dw_mmio sch_fq_codel ext4 mbcache jbd2 sd_mod realtek hisi_sas_v3_hw hclge hisi_sas_main libsas ahci scsi_transport_sas libahci
[  420.587722]  hns3 libata hnae3 megaraid_sas i2c_designware_platform i2c_designware_core
[  420.587726] Process read_all (pid: 4686, stack limit = 0x000000007177c232)
[  420.587729] CPU: 48 PID: 4686 Comm: read_all Kdump: loaded Not tainted 4.19.95-2002.6.0.0030.oe1.aarch64 #1
[  420.587730] Hardware name: Huawei TaiShan 200K (Model 2280K)/BC82AMDDI, BIOS 1.20.K 12/05/2019
[  420.587732] pstate: 00400009 (nzcv daif +PAN -UAO)
[  420.587741] pc : sysfs_kf_seq_show+0x38/0x138
[  420.587743] lr : kernfs_seq_show+0x44/0x50
[  420.587744] sp : ffff00016440fbf0
[  420.587745] x29: ffff00016440fbf0 x28: 0000fffffdf51210 
[  420.587746] x27: 00000000000003ff x26: ffffa02fc7a8bcc0 
[  420.587748] x25: 00000000007000c0 x24: ffffa02fd7019a00 
[  420.587749] x23: 0000000000000000 x22: ffffa02fc83d2200 
[  420.587750] x21: ffff803fc9472838 x20: ffffa02fc7a8bc80 
[  420.587751] x19: ffffa02fc7a8bc80 x18: 0000000000000000 
[  420.587753] x17: 0000000000000000 x16: 0000000000000000 
[  420.587754] x15: 0000000000000000 x14: 0000000000000000 
[  420.587755] x13: 0000000000000000 x12: 0000000000000000 
[  420.587756] x11: 0000000000000000 x10: 0000000000000000 
[  420.587757] x9 : 0000000000000000 x8 : 0000000000000000 
[  420.587758] x7 : 0000000000000000 x6 : ffffa02fd2a00000 
[  420.587759] x5 : 00000000000023b8 x4 : 0000000000000001 
[  420.587761] x3 : ffffa02fc83d2200 x2 : ffff0000083df2b0 
[  420.587762] x1 : 0000000000000001 x0 : ffffffffffffffff 
[  420.587763] Call trace:
[  420.587765]  sysfs_kf_seq_show+0x38/0x138
[  420.587767]  kernfs_seq_show+0x44/0x50
[  420.587771]  seq_read+0xd4/0x4a8
[  420.587772]  kernfs_fop_read+0x16c/0x218
[  420.587774]  __vfs_read+0x60/0x188
[  420.587775]  vfs_read+0x94/0x150
[  420.587776]  ksys_read+0x74/0xf0
[  420.587777]  __arm64_sys_read+0x24/0x30
[  420.587783]  el0_svc_common+0x78/0x130
[  420.587786] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000007
[  420.587788]  el0_svc_handler+0x38/0x78
[  420.587790] Mem abort info:
[  420.587793]  el0_svc+0x8/0xc
[  420.587794]   ESR = 0x96000007
[  420.587797] Code: f9400400 f9403015 f94016a0 b4000040 (f9400417) 
[  420.587799]   Exception class = DABT (current EL), IL = 32 bits
[  420.587801]   SET = 0, FnV = 0
[  420.587802]   EA = 0, S1PTW = 0
[  420.587803] Data abort info:
[  420.587804]   ISV = 0, ISS = 0x00000007
[  420.587805]   CM = 0, WnR = 0
[  420.587808] user pgtable: 64k pages, 48-bit VAs, pgdp = 00000000c3ed6e5f
[  420.587810] [0000000000000007] pgd=0000202fd03f0003, pud=0000202fd03f0003, pmd=0000202fdf550003, pte=0000000000000000
[  420.587843] SMP: stopping secondary CPUs
[  421.607854] SMP: failed to stop secondary CPUs 0-47,49-95
[  421.610011] Starting crashdump kernel...
[  421.610012] ------------[ cut here ]------------
[  421.610013] Some CPUs may be stale, kdump will be unreliable.
[  421.610022] WARNING: CPU: 48 PID: 4686 at arch/arm64/kernel/machine_kexec.c:160 machine_kexec+0x58/0x3e8
[  421.610022] Modules linked in: loop ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ip6table_nat nf_nat_ipv6 ip6table_mangle ip6table_raw rfkill ip6table_security iptable_nat nf_nat_ipv4 nf_nat iptable_mangle iptable_raw iptable_security nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables vfat fat dm_multipath dm_mod aes_ce_blk crypto_simd cryptd aes_ce_cipher ghash_ce sha2_ce ipmi_ssif sha256_arm64 sha1_ce ses ofpart enclosure cmdlinepart sbsa_gwdt hns_roce_hw_v2 hns_roce ipmi_si sg ib_core ipmi_devintf ipmi_msghandler hi_sfc mtd spi_dw_mmio sch_fq_codel ext4 mbcache jbd2 sd_mod realtek hisi_sas_v3_hw hclge hisi_sas_main libsas ahci scsi_transport_sas libahci
[  421.610039]  hns3 libata hnae3 megaraid_sas i2c_designware_platform i2c_designware_core
[  421.610042] CPU: 48 PID: 4686 Comm: read_all Kdump: loaded Not tainted 4.19.95-2002.6.0.0030.oe1.aarch64 #1
[  421.610043] Hardware name: Huawei TaiShan 200K (Model 2280K)/BC82AMDDI, BIOS 1.20.K 12/05/2019
[  421.610044] pstate: 40400089 (nZcv daIf +PAN -UAO)
[  421.610046] pc : machine_kexec+0x58/0x3e8
[  421.610047] lr : machine_kexec+0x58/0x3e8
[  421.610048] sp : ffff00016440f5f0
[  421.610048] x29: ffff00016440f5f0 x28: ffffa02fd233e080 
[  421.610050] x27: 00000000000003ff x26: ffffa02fc7a8bcc0 
[  421.610051] x25: 00000000007000c0 x24: ffffa02fd233e080 
[  421.610052] x23: ffff00000957f000 x22: ffffa02fc88fe400 
[  421.610053] x21: ffff00016440fab0 x20: ffff0000092ba000 
[  421.610054] x19: ffffa02fc88fe400 x18: ffffffffffffffff 
[  421.610055] x17: 0000000000000000 x16: 0000000000000000 
[  421.610056] x15: ffff000009273708 x14: 0000000000400009 
[  421.610057] x13: ffff0000083df2e8 x12: ffff00000929d000 
[  421.610058] x11: 0000000000000000 x10: ffff00000947a000 
[  421.610059] x9 : 0000000000000000 x8 : ffff0000094a4c7f 
[  421.610060] x7 : 0000000000000000 x6 : 0000000242b8ab17 
[  421.610061] x5 : 0000000000000001 x4 : ffffa02fffb623c0 
[  421.610062] x3 : ffffa02fffb623c0 x2 : 0000000000000007 
[  421.610063] x1 : 59daaaecde1f1f00 x0 : 0000000000000000 
[  421.610064] Call trace:
[  421.610065]  machine_kexec+0x58/0x3e8
[  421.610070]  __crash_kexec+0x84/0x138
[  421.610071]  crash_kexec+0x74/0x88
[  421.610072]  die+0x158/0x220
[  421.610075]  die_kernel_fault+0x68/0x7c
[  421.610076]  do_alignment_fault+0x0/0x78
[  421.610082]  do_page_fault+0x88/0x500
[  421.610084]  do_translation_fault+0xa8/0xb8
[  421.610085]  do_mem_abort+0x68/0x118
[  421.610086]  el1_da+0x20/0x94
[  421.610088]  sysfs_kf_seq_show+0x38/0x138
[  421.610089]  kernfs_seq_show+0x44/0x50
[  421.610090]  seq_read+0xd4/0x4a8
[  421.610091]  kernfs_fop_read+0x16c/0x218
[  421.610092]  __vfs_read+0x60/0x188
[  421.610093]  vfs_read+0x94/0x150
[  421.610094]  ksys_read+0x74/0xf0
[  421.610094]  __arm64_sys_read+0x24/0x30
[  421.610096]  el0_svc_common+0x78/0x130
[  421.610097]  el0_svc_handler+0x38/0x78
[  421.610098]  el0_svc+0x8/0xc
[  421.610099] ---[ end trace 22f14d0c0c6f9b12 ]---
[  421.610102] Bye!

```

GVP openEuler/kernel

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GVPopenEuler/kernel

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