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[PATCH] staging: fbtft: fix out of bound access

From Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Newsgroups linux.kernel
Subject [PATCH] staging: fbtft: fix out of bound access
Date 2015-06-04 13:50 +0200
Message-ID <pxBON-8al-5@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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size of str is 16, but in snprintf the size was mentioned as 128.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
---
 drivers/staging/fbtft/fbtft-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c
index ce64521..0af84b5 100644
--- a/drivers/staging/fbtft/fbtft-core.c
+++ b/drivers/staging/fbtft/fbtft-core.c
@@ -1096,7 +1096,7 @@ static int fbtft_init_display_dt(struct fbtft_par *par)
 			/* make debug message */
 			msg[0] = '\0';
 			for (j = 0; j < i; j++) {
-				snprintf(str, 128, " %02X", buf[j]);
+				snprintf(str, 16, " %02X", buf[j]);
 				strcat(msg, str);
 			}
 			fbtft_par_dbg(DEBUG_INIT_DISPLAY, par,
-- 
1.8.1.2

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[PATCH] staging: fbtft: fix out of bound access Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2015-06-04 13:50 +0200
  Re: [PATCH] staging: fbtft: fix out of bound access Joe Perches <joe@perches.com> - 2015-06-04 14:20 +0200

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