diff options
| author | Roel Kluin <roel.kluin@gmail.com> | 2009-10-01 15:44:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-01 16:11:16 -0700 |
| commit | 196b3167efd13a02cdd34acc1a12316b9f45f41d (patch) | |
| tree | 91f2fc91355dc0d26eb06ddde80ce6f2e1ebb9b7 /drivers/char | |
| parent | 75e3a6aed99babdfa95f80d07421065ed004d186 (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>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/cyclades.c | 2 |
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 |