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| author | Peter Korsgaard <jacmet@sunsite.dk> | 2010-11-07 19:52:13 +0100 |
|---|---|---|
| committer | Peter Korsgaard <jacmet@sunsite.dk> | 2010-11-07 19:52:13 +0100 |
| commit | 937367785a568d1b683b1e31b8ad9bdbe0cb607b (patch) | |
| tree | 33c23e37cfcd264c0e88a9b1b78c0e0dfaf7fc2c /package | |
| parent | 24c9f8ca706e57dc3ccfd908c54961fb67bd3854 (diff) | |
| download | buildroot-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')
| -rw-r--r-- | package/config/confdata.c | 4 | ||||
| -rw-r--r-- | package/config/patches/15-use-PATH_MAX-for-path-buffer.patch | 41 | ||||
| -rw-r--r-- | package/config/patches/series | 1 |
3 files changed, 44 insertions, 2 deletions
diff --git a/package/config/confdata.c b/package/config/confdata.c index 5cfb6d23a..1b1fdb7b9 100644 --- a/package/config/confdata.c +++ b/package/config/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; 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 |