xnu-6153.41.3.tar.gz

[apple/xnu.git] / osfmk / corpses / corpse.c

diff --git a/osfmk/corpses/corpse.c b/osfmk/corpses/corpse.c
index 73448a1f5717d8d77db4067a25eba0780e53e2cb..a3d283be44e678f95013ee61c7eaa81f580bfcd0 100644 (file)
--- a/osfmk/corpses/corpse.c
+++ b/osfmk/corpses/corpse.c
@@ -152,6 +152,9 @@ static _Atomic uint32_t inflight_corpses;
 unsigned long  total_corpses_created = 0;
 boolean_t corpse_enabled_config = TRUE;
 
+/* bootarg to generate corpse with size up to max_footprint_mb */
+boolean_t corpse_threshold_system_limit = FALSE;
+
 /* bootarg to turn on corpse forking for EXC_RESOURCE */
 int exc_via_corpse_forking = 1;
 
@@ -189,6 +192,11 @@ corpses_init()
        if (PE_parse_boot_argn("corpse_for_fatal_memkill", &fatal_memkill, sizeof(fatal_memkill))) {
                corpse_for_fatal_memkill = fatal_memkill;
        }
+#if DEBUG || DEVELOPMENT
+       if (PE_parse_boot_argn("-corpse_threshold_system_limit", &corpse_threshold_system_limit, sizeof(corpse_threshold_system_limit))) {
+               corpse_threshold_system_limit = TRUE;
+       }
+#endif /* DEBUG || DEVELOPMENT */
 }
 
 /*
@@ -407,7 +415,7 @@ task_generate_corpse(
        ipc_port_t corpse_port;
        ipc_port_t old_notify;
 
-       if (task == kernel_task || task == TASK_NULL || task == current_task()) {
+       if (task == kernel_task || task == TASK_NULL) {
                return KERN_INVALID_ARGUMENT;
        }
 
@@ -446,7 +454,7 @@ task_generate_corpse(
        assert(IP_NULL != corpse_port);
 
        ip_lock(corpse_port);
-       assert(ip_active(corpse_port));
+       require_ip_active(corpse_port);
        ipc_port_nsrequest(corpse_port, corpse_port->ip_mscount, ipc_port_make_sonce_locked(corpse_port), &old_notify);
        /* port unlocked */
 
@@ -579,6 +587,7 @@ task_generate_corpse_internal(
            is_64bit_data,
            t_flags,
            TPF_NONE,
+           TWF_NONE,
            &new_task);
        if (kr != KERN_SUCCESS) {
                goto error_task_generate_corpse;