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cyclades: fix read buffer overflow

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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>
This commit is contained in:
Roel Kluin 2009-10-01 15:44:24 -07:00 committed by Linus Torvalds
parent 75e3a6aed9
commit 196b3167ef
1 changed files with 1 additions and 1 deletions
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2
drivers/char/cyclades.c
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@ -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