yystopf
/
openharmony_kernel_liteos_a
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Description: mem 漏洞修复 

IssueNo: https://gitee.com/openharmony/kernel_liteos_a/issues/IAUJWI
Feature Or Bugfix: Bugfix
Binary Source: No
Signed-off-by: hw_llm <liu.limin@huawei.com>
（cherry picked commit from <gitee.com//openharmony/kernel_liteos_a/commit/4bb465f9af0af618c9d4b24b82ede7dd9f12faa6>
This commit is contained in:
hw_llm 2024-09-29 16:09:45 +08:00
parent f811105c38
commit 635201dcbe
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/char/mem/src/mem.c
View File

@ -61,7 +61,7 @@ static ssize_t MemMap(struct file *filep, LosVmMapRegion *region)
VADDR_T vaddr = region->range.base;
LosVmSpace *space = LOS_SpaceGet(vaddr);
if ((paddr >= SYS_MEM_BASE) && (paddr < SYS_MEM_END)) {
if (((paddr + size) >= SYS_MEM_BASE) && (paddr < SYS_MEM_END)) {
return -EINVAL;
}