If you feed 32 bytes in then the kstrtoull() doesn't receive a terminated
string so will run off the end.
Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
---
drivers/scsi/lpfc/lpfc_debugfs.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index 25aa9b9..a63542b 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -1054,11 +1054,11 @@ lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf,
{
struct dentry *dent = file->f_path.dentry;
struct lpfc_hba *phba = file->private_data;
- char dstbuf[32];
+ char dstbuf[33];
uint64_t tmp = 0;
int size;
- memset(dstbuf, 0, 32);
+ memset(dstbuf, 0, 33);
size = (nbytes < 32) ? nbytes : 32;
if (copy_from_user(dstbuf, buf, size))
return 0;
--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
