From: Gerd Hoffmann <kraxel@redhat.com>
To: qemu-devel@nongnu.org
Cc: public@hansmi.ch, Gerd Hoffmann <kraxel@redhat.com>
Subject: [Qemu-devel] [PATCH] i2c-ddc: fix oob read
Date: Tue, 8 Jan 2019 11:23:01 +0100 [thread overview]
Message-ID: <20190108102301.1957-1-kraxel@redhat.com> (raw)
Suggested-by: Michael Hanselmann <public@hansmi.ch>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
hw/i2c/i2c-ddc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/i2c/i2c-ddc.c b/hw/i2c/i2c-ddc.c
index be34fe072c..0a0367ff38 100644
--- a/hw/i2c/i2c-ddc.c
+++ b/hw/i2c/i2c-ddc.c
@@ -56,7 +56,7 @@ static int i2c_ddc_rx(I2CSlave *i2c)
I2CDDCState *s = I2CDDC(i2c);
int value;
- value = s->edid_blob[s->reg];
+ value = s->edid_blob[s->reg % sizeof(s->edid_blob)];
s->reg++;
return value;
}
--
2.9.3
next reply other threads:[~2019-01-08 10:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-08 10:23 Gerd Hoffmann [this message]
2019-01-08 10:38 ` [Qemu-devel] [PATCH] i2c-ddc: fix oob read Michael Hanselmann
2019-01-08 14:31 ` Philippe Mathieu-Daudé
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