X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=daemon%2Ffile.c;h=084945641346a747ff776e217027f0b08bce0e6b;hp=476f44569a1d99ef93ac5a673eb3efb682f47c59;hb=5a8c8b8bf6e846b8d2d7e710f814d24d9a0183c3;hpb=406dbf7565e702588f172a8cc534acacb2fd7bee

diff --git a/daemon/file.c b/daemon/file.c
index 476f445..0849456 100644
--- a/daemon/file.c
+++ b/daemon/file.c
@@ -469,6 +469,11 @@ do_pwrite (const char *path, const char *content, size_t size, int64_t offset)
   int fd;
   ssize_t r;
 
+  if (offset < 0) {
+    reply_with_error ("offset is negative");
+    return -1;
+  }
+
   CHROOT_IN;
   fd = open (path, O_WRONLY);
   CHROOT_OUT;