exit_task_work() must be called after exit_notify, because
exit_task_namespaces() may release a file and fput() enqueues a work.
exit_notify
exit_task_namespaces
free_ipc_ns
shm_destroy
fput
task_work_add
so if task works don't run after exit_notify(), a few files may leak.
Cc: Andrew Morton <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Cc: Al Viro <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: David Howells <[email protected]>
Signed-off-by: Andrey Vagin <[email protected]>
---
kernel/exit.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/exit.c b/kernel/exit.c
index 60bc027..1d1129b 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -795,7 +795,6 @@ void do_exit(long code)
exit_shm(tsk);
exit_files(tsk);
exit_fs(tsk);
- exit_task_work(tsk);
check_stack_usage();
exit_thread();
@@ -822,6 +821,7 @@ void do_exit(long code)
ptrace_put_breakpoints(tsk);
exit_notify(tsk, group_dead);
+ exit_task_work(tsk);
#ifdef CONFIG_NUMA
task_lock(tsk);
mpol_put(tsk->mempolicy);
--
1.8.1.4
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
