This is a note to let you know that I've just added the patch titled scsi: sg: off by one in sg_ioctl() to the 3.18-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: scsi-sg-off-by-one-in-sg_ioctl.patch and it can be found in the queue-3.18 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From bd46fc406b30d1db1aff8dabaff8d18bb423fdcf Mon Sep 17 00:00:00 2001 From: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Date: Thu, 17 Aug 2017 10:09:54 +0300 Subject: scsi: sg: off by one in sg_ioctl() From: Dan Carpenter <dan.carpenter@xxxxxxxxxx> commit bd46fc406b30d1db1aff8dabaff8d18bb423fdcf upstream. If "val" is SG_MAX_QUEUE then we are one element beyond the end of the "rinfo" array so the > should be >=. Fixes: 109bade9c625 ("scsi: sg: use standard lists for sg_requests") Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Acked-by: Douglas Gilbert <dgilbert@xxxxxxxxxxxx> Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/scsi/sg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1056,7 +1056,7 @@ sg_ioctl(struct file *filp, unsigned int read_lock_irqsave(&sfp->rq_list_lock, iflags); val = 0; list_for_each_entry(srp, &sfp->rq_list, entry) { - if (val > SG_MAX_QUEUE) + if (val >= SG_MAX_QUEUE) break; memset(&rinfo[val], 0, SZ_SG_REQ_INFO); rinfo[val].req_state = srp->done + 1; Patches currently in stable-queue which might be from dan.carpenter@xxxxxxxxxx are queue-3.18/scsi-sg-off-by-one-in-sg_ioctl.patch queue-3.18/scsi-qla2xxx-fix-an-integer-overflow-in-sysfs-code.patch