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-rw-r--r--src/shared/util.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/shared/util.c b/src/shared/util.c
index 92b4d498fe..dfaf7f7f45 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -5184,6 +5184,9 @@ char *format_bytes(char *buf, size_t l, off_t t) {
{ "K", 1024ULL },
};
+ if (t == (off_t) -1)
+ return NULL;
+
for (i = 0; i < ELEMENTSOF(table); i++) {
if (t >= table[i].factor) {