Changeset fe7bcf1 in mainline

Timestamp:

2019-12-11T15:26:16Z (5 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

086cab0

Parents:

a6302ae

Message:

fix race condition in traversing tasks

The task reference count can be lowered only after we have moved to the
next task.

File:

• kernel/generic/src/sysinfo/stats.c (modified) (1 diff)

kernel/generic/src/sysinfo/stats.c

@@ -485 +485 @@
 
                 irq_spinlock_lock(&tasks_lock, true);
-                task_release(task);
-
-                task = task_next(task);
+
+                task_t *prev_task = task;
+                task = task_next(prev_task);
+                task_release(prev_task);
         }