backport Fix bus errors with small memory files

0002-Fix-bus-errors-with-small-memory-files-Closes-58.patch

@@ -0,0 +1,66 @@
+From dab5dfd01dba12fc48ff7697fc066c7856b6df2f Mon Sep 17 00:00:00 2001
+From: Mario Limonciello <mario.limonciello@dell.com>
+Date: Mon, 16 Jul 2018 23:41:02 -0500
+Subject: [PATCH] Fix bus errors with small memory files (Closes: #58)
+
+---
+ src/libsmbios_c/memory/memory_linux.c | 15 +++++++++++++++
+ 1 file changed, 15 insertions(+)
+
+diff --git a/src/libsmbios_c/memory/memory_linux.c b/src/libsmbios_c/memory/memory_linux.c
+index f3054bf..cc3c449 100644
+--- a/src/libsmbios_c/memory/memory_linux.c
++++ b/src/libsmbios_c/memory/memory_linux.c
+@@ -28,6 +28,7 @@
+ #include <string.h>     // memcpy
+ #include <errno.h>
+ #include <sys/mman.h>   // mmap
++#include <sys/stat.h>
+ 
+ #include "smbios_c/obj/memory.h"
+ #include "smbios_c/types.h"
+@@ -46,6 +47,7 @@ struct linux_data
+     void *lastMapping;
+     off_t lastMappedOffset;
+     size_t mappingSize;
++    size_t fileSize;
+ };
+ 
+ #define READ_MMAP 0
+@@ -160,6 +162,12 @@ static int copy_mmap(const struct memory_access_obj *this, u8 *buffer, u64 offse
+     fnprintf("buffer(%p) offset(%lld) length(%zd) rw(%d)\n", buffer, offset, length, rw);
+     fnprintf("->rw: %d  fd: %p\n", private_data->rw, private_data->fd);
+ 
++    if(private_data->fileSize > 0 && length + offset > private_data->fileSize) {
++        error = _("File size is too small: File: ");
++        errno = EINVAL;
++        goto err_out;
++    }
++
+     error = _("Could not (re)open file. File: ");
+     if( (rw && !private_data->rw) || !private_data->fd)
+         if (!reopen(private_data, rw))
+@@ -257,6 +265,7 @@ __hidden int init_mem_struct_filename(struct memory_access_obj *m, const char *f
+     int retval = 0;
+     const char *error;
+     struct linux_data *private_data;
++    struct stat st_dev;
+ 
+     fnprintf("\n");
+ 
+@@ -287,6 +296,12 @@ __hidden int init_mem_struct_filename(struct memory_access_obj *m, const char *f
+     error = _("File open error during memory object construction. The filename: ");
+     if (!reopen(private_data, false))
+         goto out_fail;
++    if (fstat (fileno(private_data->fd), &st_dev) == -1)
++        goto out_fail;
++    if (S_ISCHR (st_dev.st_mode))
++        private_data->fileSize = -1;
++    else
++        private_data->fileSize = st_dev.st_size;
+     closefds(private_data);
+     m->initialized = 1;
+     goto out;
+-- 
+2.33.0
+

libsmbios.spec

@@ -4,13 +4,14 @@
 
 Name:            libsmbios
 Version:         2.4.2
-Release:         3
+Release:         4
 Summary:         Interface with the SMBIOS tables
 License:         GPLv2+ or OSL 2.1
 URL:             https://github.com/dell/libsmbios
 Source0:         https://github.com/dell/libsmbios/archive/v%{version}/libsmbios-%{version}.tar.gz
 
 Patch0001:       0001-libsmbios-fix-more-places-with-loop-iterators-with-b.patch
+Patch0002:       0002-Fix-bus-errors-with-small-memory-files-Closes-58.patch    
 
 BuildRequires:   autoconf automake cppunit-devel doxygen gcc-c++ gettext gettext-devel
 BuildRequires:   git help2man libtool libxml2-devel pkgconfig python3-devel strace valgrind
@@ -170,6 +171,9 @@ rename %{pot_file}.mo %{lang_dom}.mo $(find %{buildroot}/%{_datadir} -name %{pot
 %{_mandir}/man?/smbios-*
 
 %changelog
+* Thu Oct 12 2023 liyuanyuan <liyuanyuan@xfusion.com> - 2.4.2-4
+- Fix bus errors with small memory files
+
 * Tue Dec 10 2019 openEuler Buildteam <buildteam@openeuler.org> - 2.4.2-3
 - Package init