From: Marta Rybczynska <rybczyn...@gmail.com> This change adds a fix for a NULL pointer dereference of state in gnulib. It is a part of a security series [1].
[1] https://lists.gnu.org/archive/html/grub-devel/2021-03/msg00007.html Signed-off-by: Marta Rybczynska <marta.rybczyn...@huawei.com> Signed-off-by: Steve Sakoman <st...@sakoman.com> --- ...-Fix-dereference-of-a-possibly-NULL-.patch | 52 +++++++++++++++++++ meta/recipes-bsp/grub/grub2.inc | 1 + 2 files changed, 53 insertions(+) create mode 100644 meta/recipes-bsp/grub/files/0010-gnulib-argp-help-Fix-dereference-of-a-possibly-NULL-.patch diff --git a/meta/recipes-bsp/grub/files/0010-gnulib-argp-help-Fix-dereference-of-a-possibly-NULL-.patch b/meta/recipes-bsp/grub/files/0010-gnulib-argp-help-Fix-dereference-of-a-possibly-NULL-.patch new file mode 100644 index 0000000000..102a494561 --- /dev/null +++ b/meta/recipes-bsp/grub/files/0010-gnulib-argp-help-Fix-dereference-of-a-possibly-NULL-.patch @@ -0,0 +1,52 @@ +From eaf9da8b5f8349c51cfc89dd8e39a1a61f89790a Mon Sep 17 00:00:00 2001 +From: Darren Kenny <darren.ke...@oracle.com> +Date: Wed, 28 Oct 2020 14:43:01 +0000 +Subject: [PATCH] gnulib/argp-help: Fix dereference of a possibly NULL state + +All other instances of call to __argp_failure() where there is +a dgettext() call is first checking whether state is NULL before +attempting to dereference it to get the root_argp->argp_domain. + +Fixes: CID 292436 + +Signed-off-by: Darren Kenny <darren.ke...@oracle.com> +Reviewed-by: Daniel Kiper <daniel.ki...@oracle.com> + +Upstream-Status: Backport [https://git.savannah.gnu.org/cgit/grub.git/commit/?id=3a37bf120a9194c373257c70175cdb5b337bc107] +Signed-off-by: Marta Rybczynska <marta.rybczyn...@huawei.com> +--- + conf/Makefile.extra-dist | 1 + + .../lib/gnulib-patches/fix-null-state-deref.patch | 12 ++++++++++++ + 2 files changed, 13 insertions(+) + create mode 100644 grub-core/lib/gnulib-patches/fix-null-state-deref.patch + +diff --git a/conf/Makefile.extra-dist b/conf/Makefile.extra-dist +index 9e55458..96d7e69 100644 +--- a/conf/Makefile.extra-dist ++++ b/conf/Makefile.extra-dist +@@ -29,6 +29,7 @@ EXTRA_DIST += grub-core/genemuinit.sh + 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-uninit-structure.patch + EXTRA_DIST += grub-core/lib/gnulib-patches/fix-unused-value.patch + EXTRA_DIST += grub-core/lib/gnulib-patches/fix-width.patch +diff --git a/grub-core/lib/gnulib-patches/fix-null-state-deref.patch b/grub-core/lib/gnulib-patches/fix-null-state-deref.patch +new file mode 100644 +index 0000000..813ec09 +--- /dev/null ++++ b/grub-core/lib/gnulib-patches/fix-null-state-deref.patch +@@ -0,0 +1,12 @@ ++--- a/lib/argp-help.c 2020-10-28 14:32:19.189215988 +0000 +++++ b/lib/argp-help.c 2020-10-28 14:38:21.204673940 +0000 ++@@ -145,7 +145,8 @@ ++ if (*(int *)((char *)upptr + up->uparams_offs) >= upptr->rmargin) ++ { ++ __argp_failure (state, 0, 0, ++- dgettext (state->root_argp->argp_domain, +++ dgettext (state == NULL ? NULL +++ : state->root_argp->argp_domain, ++ "\ ++ ARGP_HELP_FMT: %s value is less than or equal to %s"), ++ "rmargin", up->name); diff --git a/meta/recipes-bsp/grub/grub2.inc b/meta/recipes-bsp/grub/grub2.inc index df2c8b8a16..94873475c1 100644 --- a/meta/recipes-bsp/grub/grub2.inc +++ b/meta/recipes-bsp/grub/grub2.inc @@ -56,6 +56,7 @@ SRC_URI = "${GNU_MIRROR}/grub/grub-${PV}.tar.gz \ file://0007-kern-efi-mm-Fix-possible-NULL-pointer-dereference.patch \ file://0008-gnulib-regexec-Resolve-unused-variable.patch \ file://0009-gnulib-regcomp-Fix-uninitialized-token-structure.patch \ + file://0010-gnulib-argp-help-Fix-dereference-of-a-possibly-NULL-.patch \ " SRC_URI[md5sum] = "5ce674ca6b2612d8939b9e6abed32934" SRC_URI[sha256sum] = "f10c85ae3e204dbaec39ae22fa3c5e99f0665417e91c2cb49b7e5031658ba6ea" -- 2.25.1
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