The caller of writev_exact should be notified about malloc errors when dealing with partial writes.
Signed-off-by: Olaf Hering <o...@aepfle.de> --- I think this is a backport candidate... tools/libs/ctrl/xc_private.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/libs/ctrl/xc_private.c b/tools/libs/ctrl/xc_private.c index 8af96b1b7e..3fab94f9c0 100644 --- a/tools/libs/ctrl/xc_private.c +++ b/tools/libs/ctrl/xc_private.c @@ -721,6 +721,7 @@ int writev_exact(int fd, const struct iovec *iov, int iovcnt) if ( !local_iov ) { saved_errno = ENOMEM; + rc = -1; goto out; }