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Fix buffer overflow in engine_status_dump() function #315

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Fix buffer overflow in engine_status_dump() function #315

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6 changes: 3 additions & 3 deletions XDMA/linux-kernel/xdma/libxdma.c
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Original file line number Diff line number Diff line change
Expand Up @@ -413,11 +413,11 @@ static int engine_reg_dump(struct xdma_engine *engine)
static void engine_status_dump(struct xdma_engine *engine)
{
u32 v = engine->status;
char buffer[256];
char buffer[400];
char *buf = buffer;
int len = 0;

len = sprintf(buf, "SG engine %s status: 0x%08x: ", engine->name, v);
len = sprintf(buf, "SG engine %.16s status: 0x%08x: ", engine->name, v);

if ((v & XDMA_STAT_BUSY))
len += sprintf(buf + len, "BUSY,");
Expand All @@ -433,7 +433,7 @@ static void engine_status_dump(struct xdma_engine *engine)
if ((v & XDMA_STAT_MAGIC_STOPPED))
len += sprintf(buf + len, "MAGIC_STOPPED ");
if ((v & XDMA_STAT_INVALID_LEN))
len += sprintf(buf + len, "INVLIAD_LEN ");
len += sprintf(buf + len, "INVALID_LEN ");
if ((v & XDMA_STAT_IDLE_STOPPED))
len += sprintf(buf + len, "IDLE_STOPPED ");
buf[len - 1] = ',';
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