Unverified Commit b1eaa718 authored Jul 12, 2024 by openeuler-ci-bot Committed by Gitee Jul 12, 2024

!9879 fs: improve dump_mapping() robustness

Merge Pull Request from: @ci-robot 
 
PR sync from: Jinjiang Tu <tujinjiang@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/5IA6UMBAIJG3ZQCDH57JMRZVEDF7H77S/ 
 
https://gitee.com/openeuler/kernel/issues/IACHGW 
 
Link:https://gitee.com/openeuler/kernel/pulls/9879

 

Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>

parents 913a5043 db4d43c8

mm/debug.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -150,7 +150,8 @@ void __dump_page(struct page page, const char reason)
		}

		dentry_ptr = container_of(dentry_first, struct dentry, d_u.d_alias);
		if (get_kernel_nofault(dentry, dentry_ptr)) {
		if (get_kernel_nofault(dentry, dentry_ptr) \|\|
		!dentry.d_parent \|\| !dentry.d_name.name) {
		pr_warn("aops:%ps ino:%lx with invalid dentry %px\n",
		a_ops, ino, dentry_ptr);
		} else {