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-rw-r--r--components/utilities/ulog/ulog.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/components/utilities/ulog/ulog.c b/components/utilities/ulog/ulog.c
index 45e065dce7..430ead3f1c 100644
--- a/components/utilities/ulog/ulog.c
+++ b/components/utilities/ulog/ulog.c
@@ -823,7 +823,7 @@ void ulog_hexdump(const char *tag, rt_size_t width, const rt_uint8_t *buf, rt_si
for (i = 0; i < size; i += width, buf += width)
{
- if (i + size < width)
+ if (i + width > size)
len = size - i;
else
len = width;