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-rw-r--r--tools/virtiofsd/fuse_lowlevel.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/virtiofsd/fuse_lowlevel.c b/tools/virtiofsd/fuse_lowlevel.c
index e4679c73ab..5d431a7038 100644
--- a/tools/virtiofsd/fuse_lowlevel.c
+++ b/tools/virtiofsd/fuse_lowlevel.c
@@ -1880,6 +1880,8 @@ static void do_init(fuse_req_t req, fuse_ino_t nodeid,
                     struct fuse_mbuf_iter *iter)
 {
     size_t compat_size = offsetof(struct fuse_init_in, max_readahead);
+    size_t compat2_size = offsetof(struct fuse_init_in, flags) +
+                              sizeof(uint32_t);
     struct fuse_init_in *arg;
     struct fuse_init_out outarg;
     struct fuse_session *se = req->se;
@@ -1897,7 +1899,7 @@ static void do_init(fuse_req_t req, fuse_ino_t nodeid,
 
     /* ...and now consume the new fields. */
     if (arg->major == 7 && arg->minor >= 6) {
-        if (!fuse_mbuf_iter_advance(iter, sizeof(*arg) - compat_size)) {
+        if (!fuse_mbuf_iter_advance(iter, compat2_size - compat_size)) {
             fuse_reply_err(req, EINVAL);
             return;
         }