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lines changed Original file line number Diff line number Diff line change @@ -150,7 +150,7 @@ gboolean do_oldstyle=FALSE;
150150#define OFFT_MAX ~((off_t)1<<(sizeof(off_t)*8-1))
151151#define LINELEN 256 /**< Size of static buffer used to read the
152152 authorization file (yuck) */
153- #define BUFSIZE (1024*1024) /**< Size of buffer that can hold requests */
153+ #define BUFSIZE (( 1024*1024)+sizeof(struct nbd_reply) ) /**< Size of buffer that can hold requests */
154154#define DIFFPAGESIZE 4096 /**< diff file uses those chunks */
155155#define F_READONLY 1 /**< flag to tell us a file is readonly */
156156#define F_MULTIFILE 2 /**< flag to tell us a file is exported using -m */
@@ -1389,7 +1389,7 @@ int mainloop(CLIENT *client) {
13891389
13901390 if (request .magic != htonl (NBD_REQUEST_MAGIC ))
13911391 err ("Not enough magic." );
1392- if (len > BUFSIZE + sizeof (struct nbd_reply ))
1392+ if (len > BUFSIZE - sizeof (struct nbd_reply ))
13931393 err ("Request too big!" );
13941394#ifdef DODBG
13951395 printf ("%s from %llu (%llu) len %d, " , request .type ? "WRITE" :
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