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From eaf9da8b5f8349c51cfc89dd8e39a1a61f89790a Mon Sep 17 00:00:00 2001
From: Darren Kenny <darren.kenny@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.kenny@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Upstream-Status: Backport [https://git.savannah.gnu.org/cgit/grub.git/commit/?id=3a37bf120a9194c373257c70175cdb5b337bc107]
Signed-off-by: Marta Rybczynska <marta.rybczynska@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);
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