D36763.id111707.diff
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D36763.id111707.diff
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	diff --git a/contrib/dma/mail.c b/contrib/dma/mail.c
	--- a/contrib/dma/mail.c
	+++ b/contrib/dma/mail.c
	@@ -35,6 +35,7 @@

	#include <errno.h>
	#include <inttypes.h>
	+#include <malloc_np.h>
	#include <signal.h>
	#include <strings.h>
	#include <string.h>
	@@ -418,8 +419,14 @@
	* If we fix it, it better be the last line of
	* the file.
	*/
	- line[linelen] = '\n';
	- line[linelen + 1] = 0;
	+ if ((size_t)linelen + 1 > linecap) {
	+ line = realloc(line, linelen + 2);
	+ if (line == NULL)
	+ errlogx(EX_SOFTWARE, "realloc");
	+ linecap = malloc_usable_size(line);
	+ }
	+ line[linelen++] = '\n';
	+ line[linelen] = 0;
	had_last_line = 1;
	}
	if (!had_first_line) {