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

From: Sudip Mukherjee
Date: Thu Jun 04 2015 - 07:42:16 EST


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

Signed-off-by: Sudip Mukherjee <sudip@xxxxxxxxxxxxxxx>
---
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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