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cherry pick b22a7c2 from https://gitee.com/hw_llm/kernel_liteos_a/pulls/1212 

Description: console read 漏洞修复
IssueNo: https://gitee.com/openharmony/kernel_liteos_a/issues/IALLNX?from=project-issue
Feature Or Bugfix: Feature
Binary Source: No
Signed-off-by: hw_llm <liu.limin@huawei.com>
This commit is contained in:
hw_llm 2024-08-21 20:57:40 +08:00
parent 16a54f36bb
commit 0c53eca089
1 changed files with 1 additions and 1 deletions
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2
kernel/common/console.c
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@ -687,7 +687,7 @@ STATIC ssize_t ConsoleRead(struct file *filep, CHAR *buffer, size_t bufLen)
} }
if (userBuf) { if (userBuf) {
if (LOS_ArchCopyToUser(buffer, sbuffer, bufLen) != 0) { if (LOS_ArchCopyToUser(buffer, sbuffer, ret) != 0) {
ret = -EFAULT; ret = -EFAULT;
goto ERROUT; goto ERROUT;
} }