Bug 731 - [Kunpeng 920]ltp stress产生crash:Kernel panic - not syncing: Oops: Fatal exception
Summary: [Kunpeng 920]ltp stress产生crash:Kernel panic - not syncing: Oops: Fatal exception
Status: CONFIRMED
Alias: None
Product: Anolis OS 8
Classification: Anolis OS
Component: kernel - anck-5.10 (show other bugs) kernel - anck-5.10
Version: 8.4
Hardware: All Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: zhongjiang
QA Contact: shuming
URL:
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Reported: 2022-03-28 15:07 UTC by zhongjiang
Modified: 2022-03-30 14:44 UTC (History)
0 users

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Description zhongjiang alibaba_cloud_group 2022-03-28 15:07:59 UTC
Description of problem:
[ 8781.993178] BUG: KASAN: wild-memory-access in kpagecount_read+0x150/0x320
[ 8782.018725] Read of size 8 at addr 0060003fc0200f10 by task proc01/62216
[ 8782.044204]
[ 8782.064237] CPU: 0 PID: 62216 Comm: proc01 Kdump: loaded Not tainted 5.10.84-001.ali5000_20220322_97b4d842b8_cbp.alios7.aarch64 #1
[ 8782.113296] Hardware name: Huawei TaiShan 200 (Model 2280)/BC82AMDD, BIOS 1.58 05/30/2020
[ 8782.140198] Call trace:
[ 8782.161006]  dump_backtrace+0x0/0x2e4
[ 8782.182740]  show_stack+0x1c/0x2c
[ 8782.203783]  dump_stack+0xfc/0x160
[ 8782.224543]  __kasan_report+0x12c/0x130
[ 8782.245433]  kasan_report+0x40/0xd0
[ 8782.265633]  __asan_load8+0x8c/0xc4
[ 8782.285477]  kpagecount_read+0x150/0x320
[ 8782.305730]  proc_reg_read+0x114/0x160
[ 8782.325507]  vfs_read+0xe8/0x254
[ 8782.344423]  ksys_read+0xcc/0x180
[ 8782.363082]  __arm64_sys_read+0x48/0x60
[ 8782.381968]  el0_svc_common+0xbc/0x2e0
[ 8782.400443]  do_el0_svc+0x8c/0xa4
[ 8782.418152]  el0_svc+0x1c/0x30
[ 8782.435252]  el0_sync_handler+0xa8/0xb0
[ 8782.452823]  el0_sync+0x148/0x180



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