1 files changed, 77 insertions, 0 deletions
diff --git a/meta-oe/recipes-extended/hwloc/files/CVE-2022-47022.patch b/meta-oe/recipes-extended/hwloc/files/CVE-2022-47022.patch
new file mode 100644
index 0000000000..bfeb9b405d
--- /dev/null
+++ b/meta-oe/recipes-extended/hwloc/files/CVE-2022-47022.patch
@@ -0,0 +1,77 @@
+From ac1f8db9a0790d2bf153711ff4cbf6101f89aace 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>
+
+CVE: CVE-2022-47022
+
+Upstream-Status: Backport [https://github.com/open-mpi/hwloc/commit/ac1f8db9a0790d2bf153711ff4cbf6101f89aace]
+
+Signed-off-by: Soumya Sambu <soumya.sambu@windriver.com>
+---
+ src/topology-linux.c | 15 ++++++++++++++-
+ 1 file changed, 14 insertions(+), 1 deletion(-)
+
+diff --git a/src/topology-linux.c b/src/topology-linux.c
+index 62c3b44..86be150 100644
+--- a/src/topology-linux.c
++++ b/src/topology-linux.c
+@@ -623,6 +623,8 @@ 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)
+@@ -703,7 +705,10 @@ 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)
+@@ -732,8 +737,12 @@ 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);
+
+@@ -1092,6 +1101,8 @@ 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)
+@@ -1184,6 +1195,8 @@ 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) {
+--
+2.40.0