anchao commented on code in PR #13129:
URL: https://github.com/apache/nuttx/pull/13129#discussion_r1732140539
##########
sched/task/task_setup.c:
##########
@@ -155,14 +170,23 @@ 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.
+ */
+
+ continue;
+ }
+
hash_ndx = PIDHASH(g_pidhash[i]->pid);
DEBUGASSERT(pidhash[hash_ndx] == NULL);
pidhash[hash_ndx] = g_pidhash[i];
}
/* Release resource for original g_pidhash, using new g_pidhash */
- temp = g_pidhash;
g_pidhash = pidhash;
kmm_free(temp);
Review Comment:
leave_critical_section() before free
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