Fixed bug CORE-6437 : gfix cannot set big value for buffers

hvlad · hvlad · commit 9bb72119d62c · 2020-11-04T22:30:01.000+02:00
diff --git a/src/jrd/cch.cpp b/src/jrd/cch.cpp
@@ -3580,7 +3580,7 @@ static bool expand_buffers(thread_db* tdbb, ULONG number)
 
 		if (!num_in_seg)
 		{
-			const size_t alloc_size = dbb->dbb_page_size * (num_per_seg + 1);
+			const size_t alloc_size = ((size_t) dbb->dbb_page_size) * (num_per_seg + 1);
 			memory = (UCHAR*) bcb->bcb_bufferpool->allocate(alloc_size ALLOC_ARGS);
 			bcb->bcb_memory.push(memory);
 			memory = FB_ALIGN(memory, dbb->dbb_page_size);

Original file line number	Diff line number	Diff line change
`@@ -3580,7 +3580,7 @@ static bool expand_buffers(thread_db* tdbb, ULONG number)`
`3580`	`3580`
`3581`	`3581`	`if (!num_in_seg)`
`3582`	`3582`	`{`
`3583`		`- const size_t alloc_size = dbb->dbb_page_size * (num_per_seg + 1);`
	`3583`	`+ const size_t alloc_size = ((size_t) dbb->dbb_page_size) * (num_per_seg + 1);`
`3584`	`3584`	`memory = (UCHAR*) bcb->bcb_bufferpool->allocate(alloc_size ALLOC_ARGS);`
`3585`	`3585`	`bcb->bcb_memory.push(memory);`
`3586`	`3586`	`memory = FB_ALIGN(memory, dbb->dbb_page_size);`