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| author | Kent Overstreet <koverstreet@google.com> | 2013-04-06 01:12:28 +0400 |
|---|---|---|
| committer | Kent Overstreet <koverstreet@google.com> | 2013-04-09 00:33:49 +0400 |
| commit | 91bbcfc36142354e316e013449051619c1c7b456 (patch) | |
| tree | 1f15ac8564a047d4f2de3f96195aba8898ac5338 /drivers/md | |
| parent | 8ef747909cef0dd1ae018beef4bb2e75f26e3f98 (diff) | |
| download | linux-91bbcfc36142354e316e013449051619c1c7b456.tar.xz | |
bcache: Fix a format string overflow
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kent Overstreet <koverstreet@google.com>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/bcache/util.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/md/bcache/util.c b/drivers/md/bcache/util.c index a9619d880354..da3a99e85b1e 100644 --- a/drivers/md/bcache/util.c +++ b/drivers/md/bcache/util.c @@ -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]); } |