Extra checks on inbound SMTP stream buffer refill

[exim.git] / src / src / receive.c

diff --git a/src/src/receive.c b/src/src/receive.c
index b502a381cb8ab7e070ee102c692d06dcfab6f2e1..6a534dc87c887ce38bf6e9adc5b6750042802b16 100644 (file)
--- a/src/src/receive.c
+++ b/src/src/receive.c
@@ -1034,6 +1034,7 @@ for (;;)
     unsigned len = MAX(chunking_data_left, thismessage_size_limit - message_size + 1);
     uschar * buf = bdat_getbuf(&len);
 
+    if (!buf) return END_EOF;
     message_size += len;
     if (fout && fwrite(buf, len, 1, fout) != 1) return END_WERROR;
     }