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Description: mem 漏洞修复 

IssueNo: https://gitee.com/openharmony/kernel_liteos_a/issues/IAUJDR
Feature Or Bugfix: Bugfix
Binary Source: No
Signed-off-by: hw_llm <liu.limin@huawei.com>
This commit is contained in:
hw_llm 2024-09-29 16:09:45 +08:00
parent 8b57198526
commit 4bb465f9af
1 changed files with 1 additions and 1 deletions
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2
drivers/char/mem/src/mem.c
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@ -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;
}