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 Version-Release number of selected component (if applicable): How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info: