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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2021-12-14 10:05:27 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-12-16 22:46:30 -0500 |
| commit | 9020be114a47bf7ff33e179b3bb0016b91a098e6 (patch) | |
| tree | d1312e9faaf539e5089ea9b5c0c6414cdd5fce6b /drivers/scsi/lpfc | |
| parent | 2fe24343922e0428fb68674a4fae099171141bc7 (diff) | |
| download | linux-9020be114a47bf7ff33e179b3bb0016b91a098e6.tar.gz linux-9020be114a47bf7ff33e179b3bb0016b91a098e6.tar.bz2 linux-9020be114a47bf7ff33e179b3bb0016b91a098e6.zip | |
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: bd2cdd5e400f ("scsi: lpfc: NVME Initiator: Add debugfs support")
Reviewed-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/lpfc')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_debugfs.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index bd6d459afce5..08b2e85dcd7d 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -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)); |