armbian/linux-rockchip
0
0
Fork 0
mirror of https://github.com/armbian/linux-rockchip.git synced 2026-01-06 11:08:10 -08:00
Code Issues Packages Projects Releases Wiki Activity

selinux: Add boundary check in put_entry()

Browse Source 
[ Upstream commit 15ec76fb29 ]

Just like next_entry(), boundary check is necessary to prevent memory
out-of-bound access.

Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Xiu Jianfeng
2022-06-14 10:14:49 +08:00
committed by Greg Kroah-Hartman
parent 003a456ae6
commit adbfdaacde
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
security/selinux/ss/policydb.h
View File

@@ -370,6 +370,8 @@ static inline int put_entry(const void *buf, size_t bytes, int num, struct polic
{
size_t len = bytes * num;
if (len > fp->len)
return -EINVAL;
memcpy(fp->data, buf, len);
fp->data += len;
fp->len -= len;