FileWatching: fix use-after-free (#24767)

JuliaLang · Nov 29, 2017 · 46f88a2 · 46f88a2
1 parent 578273a
commit 46f88a2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/stdlib/FileWatching/src/FileWatching.jl b/stdlib/FileWatching/src/FileWatching.jl
@@ -191,11 +191,11 @@ mutable struct _FDWatcher
             associate_julia_struct(handle, this)
             err = ccall(:uv_poll_init_socket, Int32, (Ptr{Void},   Ptr{Void}, Ptr{Void}),
                                                       eventloop(), handle,    fd.handle)
-            finalizer(uvfinalize, this)
             if err != 0
                 Libc.free(handle)
                 throw(UVError("FDWatcher", err))
             end
+            finalizer(uvfinalize, this)
             return this
         end
     end