On 7/29/19 3:47 PM, Kees Cook wrote:
> Jeffrin reported a KASAN issue:
>
> BUG: KASAN: global-out-of-bounds in ata_exec_internal_sg+0x50f/0xc70
> Read of size 16 at addr ffffffff91f41f80 by task scsi_eh_1/149
> ...
> The buggy address belongs to the variable:
> cdb.48319+0x0/0x40
>
> Much like commit 18c9a99bce2a ("libata: zpodd: small read overflow in
> eject_tray()"), this fixes a cdb[] buffer length, this time in
> zpodd_get_mech_type():
>
> 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.
Applied, thanks.
--
Jens Axboe