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author | Dan Carpenter <dan.carpenter@oracle.com> | 2018-05-29 12:13:24 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-03 11:18:43 +0200 |
commit | 22a528e79cbb41cd3cd2e7c13efc9603c295a9bb (patch) | |
tree | 55e898eaa75c32d989597f4f6dc98c3b5f669022 | |
parent | 7f4a2ad30499697d3d16331bcc40a7dca4de6e7d (diff) | |
download | linux-stable-22a528e79cbb41cd3cd2e7c13efc9603c295a9bb.tar.gz linux-stable-22a528e79cbb41cd3cd2e7c13efc9603c295a9bb.tar.bz2 linux-stable-22a528e79cbb41cd3cd2e7c13efc9603c295a9bb.zip |
libata: zpodd: small read overflow in eject_tray()
commit 18c9a99bce2a57dfd7e881658703b5d7469cc7b9 upstream.
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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/ata/libata-zpodd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ata/libata-zpodd.c b/drivers/ata/libata-zpodd.c index db64f81a4840..0ad96c647541 100644 --- a/drivers/ata/libata-zpodd.c +++ b/drivers/ata/libata-zpodd.c @@ -34,7 +34,7 @@ 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, |