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!1234 mem 漏洞修复 

Merge pull request !1234 from hw_llm/cherry-pick-1727599316
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openharmony_ci 2024-09-29 11:50:43 +00:00 committed by Gitee
parent 020edcb1b7 439633c93b
commit 572022f542
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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;
}