Unverified Commit f57c7b29 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!12781 uprobes: fix kernel info leak via "[uprobes 

Merge Pull Request from: @ci-robot 
 
PR sync from: Chen Zhongjin <chenzhongjin@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/6CSEVNMQWBPGSDXKP7ASLF77B2X6QCGE/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAYRDD 
 
Link:https://gitee.com/openeuler/kernel/pulls/12781

 

Reviewed-by: default avatarXu Kuohai <xukuohai@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents 07660771 e04862fd

kernel/events/uprobes.c

+1 −1
Original line number Diff line number Diff line
@@ -1497,7 +1497,7 @@ static struct xol_area *__create_xol_area(unsigned long vaddr) 
	area->xol_mapping.name = "[uprobes]";

	area->xol_mapping.fault = NULL;

	area->xol_mapping.pages = area->pages;

	area->pages[0] = alloc_page(GFP_HIGHUSER);

	area->pages[0] = alloc_page(GFP_HIGHUSER | __GFP_ZERO);

	if (!area->pages[0])

		goto free_bitmap;

	area->pages[1] = NULL;