scsi: aacraid: Use scnprintf() for avoiding potential buffer overflow
authorTakashi Iwai <tiwai@suse.de>
Sun, 15 Mar 2020 09:42:34 +0000 (10:42 +0100)
committerMartin K. Petersen <martin.petersen@oracle.com>
Tue, 17 Mar 2020 17:36:09 +0000 (13:36 -0400)
commit82893ced87414f255977a9132db8f667ee01882b
treecea44015b3bc8652e74b9d6f34b188260cf534b5
parent42cabdaf103be174adb6f1ca61383eb2b35a013a
scsi: aacraid: Use scnprintf() for avoiding potential buffer overflow

Since snprintf() returns the would-be-output size instead of the actual
output size, the succeeding calls may go beyond the given buffer limit.
Fix it by replacing with scnprintf().

Link: https://lore.kernel.org/r/20200315094241.9086-2-tiwai@suse.de
Cc: "James E . J . Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K . Petersen" <martin.petersen@oracle.com>
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Cc: linux-scsi@vger.kernel.org
Acked-by: Balsundar P <Balsundar.P@microchip.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/aacraid/linit.c