Details
-
Bug
-
Resolution: Won't Fix
-
Major
-
None
-
None
-
None
-
Ubuntu 20.04.5
5.4.0-48-generic
-
3
-
9223372036854775807
Description
On Ubuntu 20.04.5 (5.4.0-48-generic kernel) with master
$sudo lustre/tests/llmount.sh $sudo cp -R ldiskfs /mnt/lustre
Leads to the fault:
[ 2727.782017] [0696cb192203d55d] address between user and kernel address ranges [ 2727.828021] pc : kmem_cache_alloc+0x90/0x260 [ 2727.829114] lr : kmem_cache_alloc+0x64/0x260 [ 2727.847049] kmem_cache_alloc+0x90/0x260 [ 2727.847163] security_file_alloc+0x34/0x98 [ 2727.847280] __alloc_file+0x60/0x100 [ 2727.847382] alloc_empty_file+0x68/0x100 [ 2727.847496] path_openat+0x58/0x13a0 [ 2727.847603] do_filp_open+0x88/0x110 [ 2727.847873] do_sys_open+0x188/0x2b8 [ 2727.848090] __arm64_sys_openat+0x30/0x40 [ 2727.848246] el0_svc_common.constprop.0+0xf4/0x200 [ 2727.849324] el0_svc_handler+0x38/0xa8 [ 2727.849441] el0_svc+0x10/0x180
Bisect shows:
git bisect good
79950e5d4c356fd4452c61f1097d53d30e779e7b is the first bad commit
commit 79950e5d4c356fd4452c61f1097d53d30e779e7b
Author: Qian Yingjin <qian@ddn.com>
Date: Tue Jun 6 15:11:30 2023 +0700
LU-16713 llite: writeback/commit pages under memory pressure
Revering this patch, solves the problem