Commit 9020be11 authored by Dan Carpenter's avatar Dan Carpenter Committed by Martin K. Petersen
Browse files

scsi: lpfc: Terminate string in lpfc_debugfs_nvmeio_trc_write() 

The "mybuf" string comes from the user, so we need to ensure that it is NUL
terminated.

Link: https://lore.kernel.org/r/20211214070527.GA27934@kili


Fixes: bd2cdd5e ("scsi: lpfc: NVME Initiator: Add debugfs support")
Reviewed-by: default avatarJames Smart <jsmart2021@gmail.com>
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 2fe24343

drivers/scsi/lpfc/lpfc_debugfs.c

+2 −2
Original line number Diff line number Diff line
@@ -2954,8 +2954,8 @@ lpfc_debugfs_nvmeio_trc_write(struct file *file, const char __user *buf, 
	char mybuf[64];

	char *pbuf;



	if (nbytes > 64)

		nbytes = 64;

	if (nbytes > 63)

		nbytes = 63;



	memset(mybuf, 0, sizeof(mybuf));