* [PATCH] arch: alpha: kernel: sprintf(), the minimal buffer length is 20 for "0xffffffffffffffff\n"
@ 2013-05-26 10:09 Chen Gang
0 siblings, 0 replies; only message in thread
From: Chen Gang @ 2013-05-26 10:09 UTC (permalink / raw)
To: rth, ink, mattst88; +Cc: linux-alpha, linux-kernel@vger.kernel.org, Linux-Arch
For 'opcode_str' in sprintf(), the maximize length of format "0x%llx\n"
is 20 ("0xffffffffffffffff\n"), so need define 'opcode_str' at least 20
length.
Or the big number comes, it will cause issue.
Signed-off-by: Chen Gang <gang.chen@asianux.com>
---
arch/alpha/kernel/err_marvel.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/alpha/kernel/err_marvel.c b/arch/alpha/kernel/err_marvel.c
index ae54ad9..2310082 100644
--- a/arch/alpha/kernel/err_marvel.c
+++ b/arch/alpha/kernel/err_marvel.c
@@ -275,7 +275,7 @@ marvel_print_po7_uncrr_sym(u64 uncrr_sym, u64 valid_mask)
static void
marvel_print_po7_ugbge_sym(u64 ugbge_sym)
{
- char opcode_str[10];
+ char opcode_str[20];
#define IO7__PO7_UGBGE_SYM__UPH_PKT_OFF__S (6)
#define IO7__PO7_UGBGE_SYM__UPH_PKT_OFF__M (0xfffffffful)
--
1.7.7.6
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2013-05-26 10:09 [PATCH] arch: alpha: kernel: sprintf(), the minimal buffer length is 20 for "0xffffffffffffffff\n" Chen Gang
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