---
 fs/coredump.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/fs/coredump.c b/fs/coredump.c
index bfc4a32f737c..6ee38e3da108 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c

@@ -1240,6 +1240,12 @@ static int proc_dostring_coredump(const struct ctl_table *table, int write,

 static const unsigned int core_file_note_size_min = CORE_FILE_NOTE_SIZE_DEFAULT;
 static const unsigned int core_file_note_size_max = CORE_FILE_NOTE_SIZE_MAX;
+static char core_modes[] = {
+       "file\npipe"
+#ifdef CONFIG_UNIX
+       "\nsocket"
+#endif
+};

 static const struct ctl_table coredump_sysctls[] = {
        {

@@ -1283,6 +1289,13 @@ static const struct ctl_table coredump_sysctls[] = {
                .extra1         = SYSCTL_ZERO,
                .extra2         = SYSCTL_ONE,
        },
+       {
+               .procname       = "core_modes",
+               .data           = core_modes,
+               .maxlen         = sizeof(core_modes) - 1,
+               .mode           = 0444,
+               .proc_handler   = proc_dostring,
+       },
 };

 static int __init init_fs_coredump_sysctls(void)

--

2.47.2