anchao commented on code in PR #13129:
URL: https://github.com/apache/nuttx/pull/13129#discussion_r1732137122
##########
sched/task/task_setup.c:
##########
@@ -170,6 +170,16 @@ static int nxtask_assign_pid(FAR struct tcb_s *tcb)
for (i = 0; i < g_npidhash / 2; i++)
{
+ if (g_pidhash[i] == NULL)
+ {
+ /* If the pid is not used, skip it.
+ * This may be triggered when a context switch occurs
+ * during mm_malloc and a thread is destroyed.
+ */
Review Comment:
If in this case, we need to iterate over all g_npidhash instead of
rebuilding the old half.
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