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-rw-r--r--net/9p/protocol.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index b4d80c533f89..462ba144cb39 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -623,13 +623,19 @@ int p9dirent_read(struct p9_client *clnt, char *buf, int len,
if (ret) {
p9_debug(P9_DEBUG_9P, "<<< p9dirent_read failed: %d\n", ret);
trace_9p_protocol_dump(clnt, &fake_pdu);
- goto out;
+ return ret;
}
- strcpy(dirent->d_name, nameptr);
+ ret = strscpy(dirent->d_name, nameptr, sizeof(dirent->d_name));
+ if (ret < 0) {
+ p9_debug(P9_DEBUG_ERROR,
+ "On the wire dirent name too long: %s\n",
+ nameptr);
+ kfree(nameptr);
+ return ret;
+ }
kfree(nameptr);
-out:
return fake_pdu.offset;
}
EXPORT_SYMBOL(p9dirent_read);