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authorDan Carpenter <dan.carpenter@oracle.com>2018-05-29 12:13:24 +0300
committerTejun Heo <tj@kernel.org>2018-05-29 16:48:54 +0300
commit18c9a99bce2a57dfd7e881658703b5d7469cc7b9 (patch)
tree10f0fe3c1ce08f8ea08aa24636d6da0eddf3ccff /drivers/ata
parent4544e403eb25552aed7f0ee181a7a506b8800403 (diff)
downloadlinux-18c9a99bce2a57dfd7e881658703b5d7469cc7b9.tar.xz
libata: zpodd: small read overflow in eject_tray()
We read from the cdb[] buffer in ata_exec_internal_sg(). It has to be ATAPI_CDB_LEN (16) bytes long, but this buffer is only 12 bytes. Fixes: 213342053db5 ("libata: handle power transition of ODD") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/libata-zpodd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ata/libata-zpodd.c b/drivers/ata/libata-zpodd.c
index de4ddd0e8550..b3ed8f9953a8 100644
--- a/drivers/ata/libata-zpodd.c
+++ b/drivers/ata/libata-zpodd.c
@@ -35,7 +35,7 @@ struct zpodd {
static int eject_tray(struct ata_device *dev)
{
struct ata_taskfile tf;
- static const char cdb[] = { GPCMD_START_STOP_UNIT,
+ static const char cdb[ATAPI_CDB_LEN] = { GPCMD_START_STOP_UNIT,
0, 0, 0,
0x02, /* LoEj */
0, 0, 0, 0, 0, 0, 0,