On Tue, Aug 18, 2009 at 23:59, Linux Kernel Mailing
List<linux-kernel@xxxxxxxxxxxxxxx> wrote:
Gitweb: http://git.kernel.org/linus/be12159b24c532b4b48bdec5a543336438faa132
Commit: be12159b24c532b4b48bdec5a543336438faa132
Parent: 5e33b719c8fcccfedc1d25167826a0f93fe6c5a1
Author: roel kluin <roel.kluin@xxxxxxxxx>
AuthorDate: Sun Aug 9 04:00:25 2009 +0000
Committer: David S. Miller <davem@xxxxxxxxxxxxx>
CommitDate: Sun Aug 9 21:46:53 2009 -0700
zorro8390: Fix read buffer overflow in zorro8390_init_one()
Prevent read from cards[-1] when no card was found.
Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
---
drivers/net/zorro8390.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/net/zorro8390.c b/drivers/net/zorro8390.c
index 37c84e3..81c753a 100644
--- a/drivers/net/zorro8390.c
+++ b/drivers/net/zorro8390.c
@@ -120,6 +120,9 @@ static int __devinit zorro8390_init_one(struct zorro_dev *z,
for (i = ARRAY_SIZE(cards)-1; i >= 0; i--)
if (z->id == cards[i].id)
break;
+ if (i < 0)
+ return -ENODEV;
+
board = z->resource.start;
ioaddr = board+cards[i].offset;
dev = alloc_ei_netdev();
That case can never happen, as zorro8390_init_one() won't be called
without a matching ID.
But probably the information in struct card_info should be stored in
zorro8390_zorro_tbl[].driver_data,
so we can remove cards[] and the look up.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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