(nuttx) branch master updated: sched/environ: Serialize clearenv updates.

[xiaoxiang]

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xiaoxiang781216 pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx.git


The following commit(s) were added to refs/heads/master by this push:
     new dc4c846d329 sched/environ: Serialize clearenv updates.
dc4c846d329 is described below

commit dc4c846d329ba0d9d7bb1bb8aa13f959654ed31a
Author: yushuailong <yyy...@qq.com>
AuthorDate: Tue Sep 8 20:16:43 2026 +0800

    sched/environ: Serialize clearenv updates.
    
    Protect the environment release in clearenv() with the task group mutex.
    This prevents concurrent environment operations from racing with cleanup.
    
    Assisted-by: OpenAI Codex
    Signed-off-by: yushuailong <yyy...@qq.com>
---
 sched/environ/env_clearenv.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/sched/environ/env_clearenv.c b/sched/environ/env_clearenv.c
index baed11bd223..df04888ce1b 100644
--- a/sched/environ/env_clearenv.c
+++ b/sched/environ/env_clearenv.c
@@ -60,9 +60,13 @@
 int clearenv(void)
 {
   FAR struct tcb_s *tcb = this_task();
-  DEBUGASSERT(tcb->group);
+  FAR struct task_group_s *group = tcb->group;
 
-  env_release(tcb->group);
+  DEBUGASSERT(group);
+
+  nxrmutex_lock(&group->tg_mutex);
+  env_release(group);
+  nxrmutex_unlock(&group->tg_mutex);
   return OK;
 }