kumquat-buildroot/package/config/patches/15-use-PATH_MAX-for-path-buffer.patch
Peter Korsgaard 937367785a config: fix crash with too long paths
Closes #2737

Use PATH_MAX rather that 128 for path buffers. Patch from kernel 1408b15b98
(kconfig: Use PATH_MAX instead of 128 for path buffer sizes) by Will Newton.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2010-11-07 19:52:13 +01:00

42 lines
1.2 KiB
Diff

From 1408b15b98635a13bad2e2a50b3c2ae2ccdf625b Mon Sep 17 00:00:00 2001
From: Will Newton <will.newton@gmail.com>
Date: Wed, 22 Sep 2010 15:59:13 +0100
Subject: [PATCH] kconfig: Use PATH_MAX instead of 128 for path buffer sizes.
This prevents the buffers being overflowed when using a config
file with a long name. PATH_MAX is used elsewhere in the same
file, so use it here as well.
Signed-off-by: Will Newton <will.newton@imgtec.com>
Acked-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
---
scripts/kconfig/confdata.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/confdata.c b/confdata.c
index 35c08ec..96110ea 100644
--- a/confdata.c
+++ b/confdata.c
@@ -534,7 +534,7 @@ int conf_write(const char *name)
struct menu *menu;
const char *basename;
const char *str;
- char dirname[128], tmpname[128], newname[128];
+ char dirname[PATH_MAX+1], tmpname[PATH_MAX+1], newname[PATH_MAX+1];
enum symbol_type type;
time_t now;
int use_timestamp = 1;
@@ -658,7 +658,7 @@ next:
static int conf_split_config(void)
{
const char *name;
- char path[128];
+ char path[PATH_MAX+1];
char *opwd, *dir, *_name;
char *s, *d, c;
struct symbol *sym;
--
1.7.1