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authorRoel Kluin <roel.kluin@gmail.com>2009-10-01 15:44:24 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-10-01 16:11:16 -0700
commit196b3167efd13a02cdd34acc1a12316b9f45f41d (patch)
tree91f2fc91355dc0d26eb06ddde80ce6f2e1ebb9b7
parent75e3a6aed99babdfa95f80d07421065ed004d186 (diff)
cyclades: fix read buffer overflow
irq is declared with size NR_CARDS (4), but the loop containing this segment runs up until NR_ISA_ADDRS (16), possibly reading from irq[i] (and trying to use the result) Identified by the Parfait static scanner. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Acked-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/char/cyclades.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index df5038bbcbc..4254457d391 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -3354,7 +3354,7 @@ static int __init cy_detect_isa(void)
continue;
}
#ifdef MODULE
- if (isparam && irq[i])
+ if (isparam && i < NR_CARDS && irq[i])
cy_isa_irq = irq[i];
else
#endif