1 files changed, 3 insertions, 1 deletions

diff --git a/networking/tftp.c b/networking/tftp.c
index 38a6f81f0..1e5dddbd2 100644
--- a/networking/tftp.c
+++ b/networking/tftp.c
@@ -162,7 +162,9 @@ static inline int tftp(const int cmd, const struct hostent *host,
         int want_option_ack = 0;
 #endif
 
-        RESERVE_CONFIG_BUFFER(buf, tftp_bufsize + 4); /* Opcode + Block # + Data */
+        /* Can't use RESERVE_CONFIG_BUFFER here since the allocation
+         * size varies meaning BUFFERS_GO_ON_STACK would fail */
+        char *buf=xmalloc(tftp_bufsize + 4);
 
         tftp_bufsize += 4;