summary refs log tree commit diff
diff options
context:
space:
mode:
authorMaciej Patelczyk <maciej.patelczyk@intel.com>2011-06-21 22:03:13 +0000
committerDan Williams <dan.j.williams@intel.com>2011-07-03 04:04:51 -0700
commit7cafbf1bd56be44038148bb8f733ea6e6a6a2d53 (patch)
treecaf063a0640a33d37b198c3dd5c71ce04247a493
parent086a0dabc5bf154e13604a6d71e2d051207f9718 (diff)
downloadlinux-7cafbf1bd56be44038148bb8f733ea6e6a6a2d53.tar.gz
isci: possible buffer overflow in isci_parse_oem_parameters fixed
scu_index is a parameter of isci_parse_eom_parameters and is an index
in controller table. There is a check: scu_index > SCI_MAX_CONTROLLERS
which is insufficient and should be: scu_index >= SCI_MAX_CONTROLLERS.
scu_index is used as an index in the table which size is
SCI_MAX_CONTROLLERS.

Signed-off-by: Maciej Patelczyk <maciej.patelczyk@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
-rw-r--r--drivers/scsi/isci/probe_roms.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/isci/probe_roms.c b/drivers/scsi/isci/probe_roms.c
index bc52a6174070..99b13c191877 100644
--- a/drivers/scsi/isci/probe_roms.c
+++ b/drivers/scsi/isci/probe_roms.c
@@ -125,7 +125,7 @@ enum sci_status isci_parse_oem_parameters(union scic_oem_parameters *oem_params,
 					  struct isci_orom *orom, int scu_index)
 {
 	/* check for valid inputs */
-	if (scu_index < 0 || scu_index > SCI_MAX_CONTROLLERS ||
+	if (scu_index < 0 || scu_index >= SCI_MAX_CONTROLLERS ||
 	    scu_index > orom->hdr.num_elements || !oem_params)
 		return -EINVAL;