From: Dan Carpenter dan.carpenter@oracle.com
[ Upstream commit 3a2eb515d1367c0f667b76089a6e727279c688b8 ]
This code does not allocate enough memory for the NUL terminator so it ends up putting it one character beyond the end of the buffer.
Fixes: 8756828a8148 ("octeontx2-af: Add NPA aura and pool contexts to debugfs") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c index 77adad4adb1bc..809f50ab0432e 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c @@ -332,7 +332,7 @@ static ssize_t rvu_dbg_qsize_write(struct file *filp, u16 pcifunc; int ret, lf;
- cmd_buf = memdup_user(buffer, count); + cmd_buf = memdup_user(buffer, count + 1); if (IS_ERR(cmd_buf)) return -ENOMEM;