Author: markj
Date: Sun Jul 9 22:57:00 2017
New Revision: 320852
URL: https://svnweb.freebsd.org/changeset/base/320852
Log:
Free existing per-thread task structs when unloading linuxkpi.ko.
They are otherwise leaked.
Reported and tested by: ae
MFC after: 1 week
Modified:
head/sys/compat/linuxkpi/common/src/linux_current.c
Modified: head/sys/compat/linuxkpi/common/src/linux_current.c
==============================================================================
--- head/sys/compat/linuxkpi/common/src/linux_current.c Sun Jul 9 22:53:24
2017 (r320851)
+++ head/sys/compat/linuxkpi/common/src/linux_current.c Sun Jul 9 22:57:00
2017 (r320852)
@@ -226,6 +226,23 @@ SYSINIT(linux_current, SI_SUB_EVENTHANDLER, SI_ORDER_S
static void
linux_current_uninit(void *arg __unused)
{
+ struct proc *p;
+ struct task_struct *ts;
+ struct thread *td;
+
+ sx_slock(&allproc_lock);
+ FOREACH_PROC_IN_SYSTEM(p) {
+ PROC_LOCK(p);
+ FOREACH_THREAD_IN_PROC(p, td) {
+ if ((ts = td->td_lkpi_task) != NULL) {
+ td->td_lkpi_task = NULL;
+ put_task_struct(ts);
+ }
+ }
+ PROC_UNLOCK(p);
+ }
+ sx_sunlock(&allproc_lock);
+
EVENTHANDLER_DEREGISTER(thread_dtor, linuxkpi_thread_dtor_tag);
}
SYSUNINIT(linux_current, SI_SUB_EVENTHANDLER, SI_ORDER_SECOND,
linux_current_uninit, NULL);
_______________________________________________
svn-src-head@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
