Patch CVE-2022-47022 in hwloc (#6109)

SPECS/hwloc/CVE-2022-47022.patch

@@ -0,0 +1,70 @@
+From eec84f84d4c4a7af6ed2c57ba95a9256e56e73b4 Mon Sep 17 00:00:00 2001
+From: Brice Goglin <Brice.Goglin@inria.fr>
+Date: Wed, 23 Aug 2023 19:52:47 +0200
+Subject: [PATCH] linux: handle glibc cpuset allocation failures
+
+Closes #544
+CVE-2022-47022
+
+Signed-off-by: Brice Goglin <Brice.Goglin@inria.fr>
+(cherry picked from commit ac1f8db9a0790d2bf153711ff4cbf6101f89aace)
+---
+ hwloc/topology-linux.c | 15 ++++++++++++++-
+ 1 file changed, 14 insertions(+), 1 deletion(-)
+
+diff --git a/hwloc/topology-linux.c b/hwloc/topology-linux.c
+index bfc5dc23f..cae4f84d1 100644
+--- a/hwloc/topology-linux.c
++++ b/hwloc/topology-linux.c
+@@ -877,6 +877,8 @@ hwloc_linux_set_tid_cpubind(hwloc_topology_t topology __hwloc_attribute_unused,
+ 
+   setsize = CPU_ALLOC_SIZE(last+1);
+   plinux_set = CPU_ALLOC(last+1);
++  if (!plinux_set)
++    return -1;
+ 
+   CPU_ZERO_S(setsize, plinux_set);
+   hwloc_bitmap_foreach_begin(cpu, hwloc_set)
+@@ -957,7 +959,10 @@ hwloc_linux_find_kernel_nr_cpus(hwloc_topology_t topology)
+   while (1) {
+     cpu_set_t *set = CPU_ALLOC(nr_cpus);
+     size_t setsize = CPU_ALLOC_SIZE(nr_cpus);
+-    int err = sched_getaffinity(0, setsize, set); /* always works, unless setsize is too small */
++    int err;
++    if (!set)
++      return -1; /* caller will return an error, and we'll try again later */
++    err = sched_getaffinity(0, setsize, set); /* always works, unless setsize is too small */
+     CPU_FREE(set);
+     nr_cpus = setsize * 8; /* that's the value that was actually tested */
+     if (!err)
+@@ -985,8 +990,12 @@ hwloc_linux_get_tid_cpubind(hwloc_topology_t topology __hwloc_attribute_unused,
+ 
+   /* find the kernel nr_cpus so as to use a large enough cpu_set size */
+   kernel_nr_cpus = hwloc_linux_find_kernel_nr_cpus(topology);
++  if (kernel_nr_cpus < 0)
++    return -1;
+   setsize = CPU_ALLOC_SIZE(kernel_nr_cpus);
+   plinux_set = CPU_ALLOC(kernel_nr_cpus);
++  if (!plinux_set)
++    return -1;
+ 
+   err = sched_getaffinity(tid, setsize, plinux_set);
+ 
+@@ -1340,6 +1349,8 @@ hwloc_linux_set_thread_cpubind(hwloc_topology_t topology, pthread_t tid, hwloc_c
+ 
+      setsize = CPU_ALLOC_SIZE(last+1);
+      plinux_set = CPU_ALLOC(last+1);
++     if (!plinux_set)
++       return -1;
+ 
+      CPU_ZERO_S(setsize, plinux_set);
+      hwloc_bitmap_foreach_begin(cpu, hwloc_set)
+@@ -1431,6 +1442,8 @@ hwloc_linux_get_thread_cpubind(hwloc_topology_t topology, pthread_t tid, hwloc_b
+ 
+      setsize = CPU_ALLOC_SIZE(last+1);
+      plinux_set = CPU_ALLOC(last+1);
++     if (!plinux_set)
++       return -1;
+ 
+      err = pthread_getaffinity_np(tid, setsize, plinux_set);
+      if (err) {

SPECS/hwloc/hwloc.spec

@@ -1,12 +1,13 @@
 Summary:        Portable Hardware Locality - portable abstraction of hierarchical architectures
 Name:           hwloc
 Version:        2.5.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 License:        BSD-2-Clause
 Vendor:         Microsoft Corporation
 Distribution:   Mariner
 URL:            https://www.open-mpi.org/projects/hwloc/
 Source0:        http://www.open-mpi.org/software/hwloc/v2.5/downloads/%{name}-%{version}.tar.bz2
+Patch0:         CVE-2022-47022.patch
 BuildRequires:  gcc
 # C++ only for hwloc-hello-cpp test:
 BuildRequires:  gcc-c++
@@ -167,6 +168,9 @@ LD_LIBRARY_PATH=$PWD/hwloc/.libs make check
 %{_libdir}/%{name}/hwloc*
 
 %changelog
+* Wed Aug 30 2023 Henry Beberman <henry.beberman@microsoft.com> - 2.5.0-2
+- Patch CVE-2022-47022
+
 * Thu Feb 02 2023 Riken Maharjan <rmaharjan@microsoft.com> - 2.5.0-1
 - Move from Extended to core
 - Update to 2.5.0