Unverified Commit 2aaf1a60 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!12792 HID: core: fix shift-out-of-bounds in hid_report_raw_event 

Merge Pull Request from: @ci-robot 
 
PR sync from: Chen Zhongjin <chenzhongjin@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/QJVDGFBZGG67JWWRGYRU2YVXOZN7J5F7/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAYRE2 
 
Link:https://gitee.com/openeuler/kernel/pulls/12792

 

Reviewed-by: default avatarXu Kuohai <xukuohai@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents 3437d157 ef18921b

drivers/hid/hid-core.c

+3 −0
Original line number Diff line number Diff line
@@ -1122,6 +1122,9 @@ EXPORT_SYMBOL_GPL(hid_open_report); 


static s32 snto32(__u32 value, unsigned n)

{

	if (n > 32)

		n = 32;



	switch (n) {

	case 8:  return ((__s8)value);

	case 16: return ((__s16)value);