Fix the size limit of the elf note section

tests: test written by lzaoral, thanks!
Resolves: rhbz#2167964

file-5.44-readelf-limit.patch

@@ -0,0 +1,25 @@
+From ba70807a0dab752835293cc586e104b5dedd9c3f Mon Sep 17 00:00:00 2001
+From: Vincent Mihalkovic <vmihalko@redhat.com>
+Date: Thu, 9 Feb 2023 13:01:36 +0100
+Subject: [PATCH] readelf: limit size of the note section to 128M
+
+---
+ src/readelf.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/readelf.c b/src/readelf.c
+index 97d1451..ca158b1 100644
+--- a/src/readelf.c
++++ b/src/readelf.c
+@@ -62,7 +62,7 @@ file_private uint64_t getu64(int, uint64_t);
+ 
+ #define MAX_PHNUM	128
+ #define	MAX_SHNUM	32768
+-#define MAX_SHSIZE	(64 * 1024 * 1024)
++#define MAX_SHSIZE	(128 * 1024 * 1024)
+ #define SIZE_UNKNOWN	CAST(off_t, -1)
+ 
+ file_private int
+-- 
+2.39.1
+

file.spec

@@ -15,7 +15,7 @@
 Summary: Utility for determining file types
 Name: file
 Version: 5.44
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: BSD
 Source0: http://ftp.astron.com/pub/file/file-%{version}.tar.gz
 Source1: http://ftp.astron.com/pub/file/file-%{version}.tar.gz.asc
@@ -32,6 +32,9 @@ Patch2: file-5.04-volume_key.patch
 # upstream commit: https://github.com/file/file/commit/1dd21dd360472d7b830825df8e40a06cdc1cbbcf
 Patch3: file-5.44-compression.patch
 
+# not yet in upstream
+Patch4: file-5.44-readelf-limit.patch
+
 URL: https://www.darwinsys.com/file/
 Requires: file-libs%{?_isa} = %{version}-%{release}
 BuildRequires: zlib-devel
@@ -216,6 +219,10 @@ make -C tests check
 %endif
 
 %changelog
+* Thu Feb 09 2023 Vincent Mihalkovic <vmihalko@redhat.com> - 5.44-2
+- Fix the size limit of the elf note section (rhbz#2167964)
+  Test written by lzaoral, thanks!
+
 * Fri Jan 20 2023 Vincent Mihalkovic <vmihalko@redhat.com> - 5.44-1
 - update to new version 5.44
 

tests/bz2167964-file-fails-on-binary-with-big-note-section/main.fmf

@@ -0,0 +1,11 @@
+summary: bz2167964-file-fails-on-binary-with-big-note-section
+component:
+  - file
+test: ./runtest.sh
+framework: beakerlib
+recommend:
+  - binutils
+  - file
+duration: 5m
+extra-summary: /CoreOS/file/Regression/bz2167964-file-fails-on-binary-with-big-note-section
+extra-task: /CoreOS/file/Regression/bz2167964-file-fails-on-binary-with-big-note-section

tests/bz2167964-file-fails-on-binary-with-big-note-section/runtest.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+# vim: dict+=/usr/share/beakerlib/dictionary.vim cpt=.,w,b,u,t,i,k
+. /usr/share/beakerlib/beakerlib.sh || exit 1
+
+PACKAGES="file binutils"
+rlJournalStart
+    rlPhaseStartSetup
+        rlAssertRpm --all
+        rlRun "tmp=\$(mktemp -d)" 0 "Create tmp directory"
+        rlRun "pushd \$tmp"
+        rlRun "set -o pipefail"
+    rlPhaseEnd
+
+    rlPhaseStartTest
+        rlRun "truncate --size=100M note" 0 "Create a dummy 100 MB file"
+        rlRun "objcopy --update-section .note.package=note /usr/bin/cp repro" \
+            0 "Create a copy of cp with large .note.package section"
+        rlRun "file repro" 0 "Run file of the reproducer"
+    rlPhaseEnd
+
+    rlPhaseStartCleanup
+        rlRun "popd"
+        rlRun "rm -r \$tmp" 0 "Remove tmp directory"
+    rlPhaseEnd
+rlJournalEnd