* [PATCH] arch: frv: kernel: using vsnprintf() instead of vsprintf()
@ 2013-05-27 5:46 Chen Gang
0 siblings, 0 replies; only message in thread
From: Chen Gang @ 2013-05-27 5:46 UTC (permalink / raw)
To: dhowells@redhat.com, jesper.nilsson, Richard Kuo, Tejun Heo
Cc: Andrew Morton, David Miller, linux-kernel@vger.kernel.org,
Linux-Arch
Since die_if_kernel() is an extern common used function, better always
check the buffer length to avoid memory overflow by a long 'str'.
Signed-off-by: Chen Gang <gang.chen@asianux.com>
---
arch/frv/kernel/traps.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/frv/kernel/traps.c b/arch/frv/kernel/traps.c
index 4bff48c..a6d105d 100644
--- a/arch/frv/kernel/traps.c
+++ b/arch/frv/kernel/traps.c
@@ -523,7 +523,7 @@ void die_if_kernel(const char *str, ...)
return;
va_start(va, str);
- vsprintf(buffer, str, va);
+ vsnprintf(buffer, sizeof(buffer), str, va);
va_end(va);
console_verbose();
--
1.7.7.6
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