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Commit 91bbcfc3 authored by Kent Overstreet's avatar Kent Overstreet
Browse files

bcache: Fix a format string overflow 



Reported-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarKent Overstreet <koverstreet@google.com>
parent 8ef74790

drivers/md/bcache/util.c

+2 −2
Original line number Diff line number Diff line
@@ -76,7 +76,7 @@ STRTO_H(strtoull, unsigned long long) 
ssize_t bch_hprint(char *buf, int64_t v)

{

	static const char units[] = "?kMGTPEZY";

	char dec[3] = "";

	char dec[4] = "";

	int u, t = 0;



	for (u = 0; v >= 1024 || v <= -1024; u++) {
@@ -88,7 +88,7 @@ ssize_t bch_hprint(char *buf, int64_t v) 
		return sprintf(buf, "%llu", v);



	if (v < 100 && v > -100)

		sprintf(dec, ".%i", t / 100);

		snprintf(dec, sizeof(dec), ".%i", t / 100);



	return sprintf(buf, "%lli%s%c", v, dec, units[u]);

}