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authorPeter Korsgaard <jacmet@sunsite.dk>2010-11-07 19:52:13 +0100
committerPeter Korsgaard <jacmet@sunsite.dk>2010-11-07 19:52:13 +0100
commit937367785a568d1b683b1e31b8ad9bdbe0cb607b (patch)
tree33c23e37cfcd264c0e88a9b1b78c0e0dfaf7fc2c /package/config/patches
parent24c9f8ca706e57dc3ccfd908c54961fb67bd3854 (diff)
downloadbuildroot-novena-937367785a568d1b683b1e31b8ad9bdbe0cb607b.tar.gz
buildroot-novena-937367785a568d1b683b1e31b8ad9bdbe0cb607b.zip
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>
Diffstat (limited to 'package/config/patches')
-rw-r--r--package/config/patches/15-use-PATH_MAX-for-path-buffer.patch41
-rw-r--r--package/config/patches/series1
2 files changed, 42 insertions, 0 deletions
diff --git a/package/config/patches/15-use-PATH_MAX-for-path-buffer.patch b/package/config/patches/15-use-PATH_MAX-for-path-buffer.patch
new file mode 100644
index 000000000..4be6cb6a2
--- /dev/null
+++ b/package/config/patches/15-use-PATH_MAX-for-path-buffer.patch
@@ -0,0 +1,41 @@
+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
+
diff --git a/package/config/patches/series b/package/config/patches/series
index defdf5899..098b082ca 100644
--- a/package/config/patches/series
+++ b/package/config/patches/series
@@ -9,3 +9,4 @@
11-use-mktemp-for-lxdialog.patch
12-fix-glade-file-path.patch
14-support-out-of-tree-config.patch
+15-use-PATH_MAX-for-path-buffer.patch