linux-kernel - BUG: KASAN: global-out-of-bounds in ata_exec_internal

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Message-ID: <CAG=yYwnZejnz+q9VDf3KVv-1t_VuAmB7gSUaNuGL9Z0S54V78Q@mail.gmail.com>
Date:   Fri, 14 Jun 2019 00:06:16 +0530
From:   Jeffrin Thalakkottoor <jeffrin@...agiritech.edu.in>
To:     axboe@...nel.dk, jejb@...ux.ibm.com, martin.petersen@...cle.com
Cc:     lkml <linux-kernel@...r.kernel.org>, linux-ide@...r.kernel.org,
        linux-scsi@...r.kernel.org
Subject: BUG: KASAN: global-out-of-bounds in ata_exec_internal_sg+0x50f/0xc70

hello ,


[   55.169278] ==================================================================
[   55.169899] BUG: KASAN: global-out-of-bounds in
ata_exec_internal_sg+0x50f/0xc70 [libata]
[   55.170039] Read of size 16 at addr ffffffffc0723500 by task scsi_eh_1/149


[   55.186354] The buggy address belongs to the variable:
[   55.186972]  cdb.48295+0x0/0xfffffffffffeab00 [libata]

[   55.187171] Memory state around the buggy address:
[   55.187290]  ffffffffc0723400: 00 00 fa fa fa fa fa fa 00 00 fa fa
fa fa fa fa
[   55.187417]  ffffffffc0723480: 00 00 00 00 00 00 00 00 05 fa fa fa
fa fa fa fa
[   55.187544] >ffffffffc0723500: 00 04 fa fa fa fa fa fa 00 00 fa fa
fa fa fa fa
[   55.187686]                       ^
[   55.187810]  ffffffffc0723580: 00 00 05 fa fa fa fa fa 00 00 00 00
00 00 00 00
[   55.187940]  ffffffffc0723600: 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00
[   55.188060] ==================================================================

output of dmesg with the filename kasan.txt attached



-- 
software engineer
rajagiri school of engineering and technology

View attachment "kasan.txt" of type "text/plain" (55072 bytes)