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ksmbd: fix memleak in get_file_stream_info()

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Fix memleak in get_file_stream_info()

Fixes: 34061d6b76 ("ksmbd: validate OutputBufferLength of QUERY_DIR, QUERY_INFO, IOCTL requests")
Cc: stable@vger.kernel.org # v5.15
Reported-by: Coverity Scan <scan-admin@coverity.com>
Acked-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Namjae Jeon 2021-11-24 10:23:02 +09:00 committed by Steve French
parent 1ec72153ff
commit 178ca6f85a
1 changed files with 3 additions and 1 deletions
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4
fs/ksmbd/smb2pdu.c
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@ -4498,8 +4498,10 @@ static void get_file_stream_info(struct ksmbd_work *work,
":%s", &stream_name[XATTR_NAME_STREAM_LEN]);
next = sizeof(struct smb2_file_stream_info) + streamlen * 2;
if (next > buf_free_len)
if (next > buf_free_len) {
kfree(stream_buf);
break;
}
file_info = (struct smb2_file_stream_info *)&rsp->Buffer[nbytes];
streamlen = smbConvertToUTF16((__le16 *)file_info->StreamName,