diff options
Diffstat (limited to 'import-layers/yocto-poky/meta/recipes-core/glibc/glibc/0002-nativesdk-glibc-Fix-buffer-overrun-with-a-relocated-.patch')
-rw-r--r-- | import-layers/yocto-poky/meta/recipes-core/glibc/glibc/0002-nativesdk-glibc-Fix-buffer-overrun-with-a-relocated-.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/meta/recipes-core/glibc/glibc/0002-nativesdk-glibc-Fix-buffer-overrun-with-a-relocated-.patch b/import-layers/yocto-poky/meta/recipes-core/glibc/glibc/0002-nativesdk-glibc-Fix-buffer-overrun-with-a-relocated-.patch new file mode 100644 index 000000000..473b89449 --- /dev/null +++ b/import-layers/yocto-poky/meta/recipes-core/glibc/glibc/0002-nativesdk-glibc-Fix-buffer-overrun-with-a-relocated-.patch @@ -0,0 +1,50 @@ +From 179dc5f1e13c3ff96d5f21a2a78c089cf120ceb8 Mon Sep 17 00:00:00 2001 +From: Khem Raj <raj.khem@gmail.com> +Date: Wed, 18 Mar 2015 01:50:00 +0000 +Subject: [PATCH 02/24] nativesdk-glibc: Fix buffer overrun with a relocated + SDK + +When ld-linux-*.so.2 is relocated to a path that is longer than the +original fixed location, the dynamic loader will crash in open_path +because it implicitly assumes that max_dirnamelen is a fixed size that +never changes. + +The allocated buffer will not be large enough to contain the directory +path string which is larger than the fixed location provided at build +time. + +Upstream-Status: Inappropriate [OE SDK specific] + +Signed-off-by: Jason Wessel <jason.wessel@windriver.com> +Signed-off-by: Khem Raj <raj.khem@gmail.com> +--- + elf/dl-load.c | 12 ++++++++++++ + 1 file changed, 12 insertions(+) + +diff --git a/elf/dl-load.c b/elf/dl-load.c +index ee3d1e6..c4a42e9 100644 +--- a/elf/dl-load.c ++++ b/elf/dl-load.c +@@ -1793,7 +1793,19 @@ open_path (const char *name, size_t namelen, int mode, + given on the command line when rtld is run directly. */ + return -1; + ++ do ++ { ++ struct r_search_path_elem *this_dir = *dirs; ++ if (this_dir->dirnamelen > max_dirnamelen) ++ { ++ max_dirnamelen = this_dir->dirnamelen; ++ } ++ } ++ while (*++dirs != NULL); ++ + buf = alloca (max_dirnamelen + max_capstrlen + namelen); ++ ++ dirs = sps->dirs; + do + { + struct r_search_path_elem *this_dir = *dirs; +-- +2.6.4 + |