Unverified Commit 73a86ad6 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!11150 protect the fetch of ->fd[fd 

Merge Pull Request from: @ci-robot 
 
PR sync from: Long Li <leo.lilong@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/Q7MVPRK6PZR5HKGDKRQ7JY637SP7X2CU/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAKPUO 
 
Link:https://gitee.com/openeuler/kernel/pulls/11150

 

Reviewed-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents 4ac8b0d8 2411e3b5

fs/file.c

+1 −0
Original line number Diff line number Diff line
@@ -978,6 +978,7 @@ __releases(&files->file_lock) 
	 * tables and this condition does not arise without those.

	 */

	fdt = files_fdtable(files);

	fd = array_index_nospec(fd, fdt->max_fds);

	tofree = fdt->fd[fd];

	if (!tofree && fd_is_open(fd, fdt)) {

		err = -EBUSY;