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grub: fix an unitialized re_token in gnulib

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This patch adds a fix for an unitialized re_token in grub's gnulib.
It is a part of a security series [1].

[1] https://lists.gnu.org/archive/html/grub-devel/2021-03/msg00007.html

(From OE-Core rev: 0ce9c21b776ef6bfeaef665829324d7a04c22ce9)

Signed-off-by: Marta Rybczynska <marta.rybczynska@huawei.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Marta Rybczynska
2022-02-18 11:05:20 +01:00
committed by Richard Purdie
parent ba476f819f
commit 877ea55a5b
2 changed files with 56 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
meta/recipes-bsp/grub/files/0012-gnulib-regcomp-Fix-uninitialized-re_token.patch Normal file
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@@ -0,0 +1,55 @@
From 512b6bb380a77233b88c84b7a712896c70281d2f Mon Sep 17 00:00:00 2001
From: Darren Kenny <darren.kenny@oracle.com>
Date: Tue, 24 Nov 2020 18:04:22 +0000
Subject: [PATCH] gnulib/regcomp: Fix uninitialized re_token
This issue has been fixed in the latest version of gnulib, so to
maintain consistency, I've backported that change rather than doing
something different.
Fixes: CID 73828
Signed-off-by: Darren Kenny <darren.kenny@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Upstream-Status: Backport [https://git.savannah.gnu.org/cgit/grub.git/commit/?id=03477085f9a33789ba6cca7cd49ab9326a1baa0e]
Signed-off-by: Marta Rybczynska <marta.rybczynska@huawei.com>
---
conf/Makefile.extra-dist | 1 +
.../gnulib-patches/fix-regcomp-uninit-token.patch | 15 +++++++++++++++
2 files changed, 16 insertions(+)
create mode 100644 grub-core/lib/gnulib-patches/fix-regcomp-uninit-token.patch
diff --git a/conf/Makefile.extra-dist b/conf/Makefile.extra-dist
index d27d3a9..ffe6829 100644
--- a/conf/Makefile.extra-dist
+++ b/conf/Makefile.extra-dist
@@ -30,6 +30,7 @@ EXTRA_DIST += grub-core/genemuinitheader.sh
EXTRA_DIST += grub-core/lib/gnulib-patches/fix-null-deref.patch
EXTRA_DIST += grub-core/lib/gnulib-patches/fix-null-state-deref.patch
+EXTRA_DIST += grub-core/lib/gnulib-patches/fix-regcomp-uninit-token.patch
EXTRA_DIST += grub-core/lib/gnulib-patches/fix-regexec-null-deref.patch
EXTRA_DIST += grub-core/lib/gnulib-patches/fix-uninit-structure.patch
EXTRA_DIST += grub-core/lib/gnulib-patches/fix-unused-value.patch
diff --git a/grub-core/lib/gnulib-patches/fix-regcomp-uninit-token.patch b/grub-core/lib/gnulib-patches/fix-regcomp-uninit-token.patch
new file mode 100644
index 0000000..02e0631
--- /dev/null
+++ b/grub-core/lib/gnulib-patches/fix-regcomp-uninit-token.patch
@@ -0,0 +1,15 @@
+--- a/lib/regcomp.c 2020-11-24 17:06:08.159223858 +0000
++++ b/lib/regcomp.c 2020-11-24 17:06:15.630253923 +0000
+@@ -3808,11 +3808,7 @@
+ create_tree (re_dfa_t *dfa, bin_tree_t *left, bin_tree_t *right,
+ re_token_type_t type)
+ {
+- re_token_t t;
+-#if defined GCC_LINT || defined lint
+- memset (&t, 0, sizeof t);
+-#endif
+- t.type = type;
++ re_token_t t = { .type = type };
+ return create_token_tree (dfa, left, right, &t);
+ }
+

1
meta/recipes-bsp/grub/grub2.inc
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@@ -58,6 +58,7 @@ SRC_URI = "${GNU_MIRROR}/grub/grub-${PV}.tar.gz \
file://0009-gnulib-regcomp-Fix-uninitialized-token-structure.patch \
file://0010-gnulib-argp-help-Fix-dereference-of-a-possibly-NULL-.patch \
file://0011-gnulib-regexec-Fix-possible-null-dereference.patch \
file://0012-gnulib-regcomp-Fix-uninitialized-re_token.patch \
"
SRC_URI[md5sum] = "5ce674ca6b2612d8939b9e6abed32934"
SRC_URI[sha256sum] = "f10c85ae3e204dbaec39ae22fa3c5e99f0665417e91c2cb49b7e5031658ba6ea"