|
@@ -1,77 +0,0 @@
|
|
|
-From ac1f8db9a0790d2bf153711ff4cbf6101f89aace Mon Sep 17 00:00:00 2001
|
|
|
-From: Brice Goglin <Brice.Goglin@inria.fr>
|
|
|
-Date: Thu, 31 Aug 2023 09:28:34 +0000
|
|
|
-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: Yogita Urade <yogita.urade@windriver.com>
|
|
|
----
|
|
|
- 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 c7b63d2..fd6745e 100644
|
|
|
---- a/hwloc/topology-linux.c
|
|
|
-+++ b/hwloc/topology-linux.c
|
|
|
-@@ -870,6 +870,8 @@ 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)
|
|
|
-@@ -950,7 +952,10 @@ 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)
|
|
|
-@@ -978,8 +983,12 @@ 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);
|
|
|
-
|
|
|
-@@ -1333,6 +1342,8 @@ 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)
|
|
|
-@@ -1424,6 +1435,8 @@ 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) {
|
|
|
---
|
|
|
-2.35.5
|