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!1174 fix：SysMqNotify系统调用安全增强 

Merge pull request !1174 from zhangdengyu/mq_0904
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openharmony_ci 2023-09-04 13:19:17 +00:00 committed by Gitee
parent bd57ef7e2c 27eb4e2334
commit e28271d650
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1 changed files with 7 additions and 1 deletions
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8
syscall/ipc_syscall.c
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@ -94,9 +94,15 @@ int SysMqClose(mqd_t personal)
int SysMqNotify(mqd_t personal, const struct sigevent *sigev)
{
int ret;
struct sigevent ksigev;
ret = LOS_ArchCopyFromUser(&ksigev, sigev, sizeof(struct sigevent));
if (ret != 0) {
return -EFAULT;
}
MQUEUE_FD_U2K(personal);
ret = OsMqNotify(personal, sigev);
ret = OsMqNotify(personal, &ksigev);
if (ret < 0) {
return -get_errno();
}