diff options
Diffstat (limited to 'meta-openembedded/meta-oe/recipes-extended/hwloc/files/CVE-2022-47022.patch')
-rw-r--r-- | meta-openembedded/meta-oe/recipes-extended/hwloc/files/CVE-2022-47022.patch | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/meta-openembedded/meta-oe/recipes-extended/hwloc/files/CVE-2022-47022.patch b/meta-openembedded/meta-oe/recipes-extended/hwloc/files/CVE-2022-47022.patch new file mode 100644 index 0000000000..1925e2605d --- /dev/null +++ b/meta-openembedded/meta-oe/recipes-extended/hwloc/files/CVE-2022-47022.patch @@ -0,0 +1,76 @@ +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 + +CVE: CVE-2022-47022 + +Upstream-Status: Backport [https://github.com/open-mpi/hwloc/commit/ac1f8db9a0790d2bf153711ff4cbf6101f89aace] + +Signed-off-by: Brice Goglin <Brice.Goglin@inria.fr> +Signed-off-by: Archana Polampalli <archana.polampalli@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 3f059465d..030076e7f 100644 +--- a/hwloc/topology-linux.c ++++ b/hwloc/topology-linux.c +@@ -878,6 +878,8 @@ 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) +@@ -958,7 +960,10 @@ 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) +@@ -986,8 +991,12 @@ 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); + +@@ -1341,6 +1350,8 @@ 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) +@@ -1432,6 +1443,8 @@ 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 |