disk-utils/mkfs.cramfs.c:622:20: runtime error: unsigned integer
overflow: 64 - 512 cannot be represented in type 'unsigned long'
Signed-off-by: Sami Kerola <kerolasa@xxxxxx>
---
disk-utils/mkfs.cramfs.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/disk-utils/mkfs.cramfs.c b/disk-utils/mkfs.cramfs.c
index bae68ec..d9a9153 100644
--- a/disk-utils/mkfs.cramfs.c
+++ b/disk-utils/mkfs.cramfs.c
@@ -619,7 +619,10 @@ do_compress(char *base, unsigned int offset, unsigned char const *name,
/* TODO: Arguably, original_size in these 2 lines should be
st_blocks * 512. But if you say that, then perhaps
administrative data should also be included in both. */
- change = new_size - original_size;
+ if (new_size <= original_size)
+ change = new_size - original_size;
+ else
+ change = new_size;
if (verbose)
printf(_("%6.2f%% (%+ld bytes)\t%s\n"),
(change * 100) / (double) original_size, change, name);
--
2.1.3
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