scsi: mptfusion: Add bounds check in mptctl_hp_targetinfo()
authorDan Carpenter <dan.carpenter@oracle.com>
Thu, 25 Jan 2018 14:27:27 +0000 (17:27 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 25 May 2018 14:17:47 +0000 (16:17 +0200)
commit62d16de3109f8dff76f97b58d66ce502970b2f3f
tree3ef39d24aa2c03fa049f3d88bc96ad83cc843004
parent0bf213d90bb2c25d1f36811d14f239126764b130
scsi: mptfusion: Add bounds check in mptctl_hp_targetinfo()

[ Upstream commit a7043e9529f3c367cc4d82997e00be034cbe57ca ]

My static checker complains about an out of bounds read:

    drivers/message/fusion/mptctl.c:2786 mptctl_hp_targetinfo()
    error: buffer overflow 'hd->sel_timeout' 255 <= u32max.

It's true that we probably should have a bounds check here.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/message/fusion/mptctl.c