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| author | James Morris <james.l.morris@oracle.com> | 2016-11-14 09:34:01 +1100 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2016-11-14 09:34:01 +1100 |
| commit | 185c0f26c0267d5978b5c30d3a04f90cb245cd76 (patch) | |
| tree | 4b1324c9445bbcff095fb3ce755ec46d315bda5a /kernel/fork.c | |
| parent | eafb7b9d01a7001ff8e9624e7dcb706844f981b3 (diff) | |
| parent | a25f0944ba9b1d8a6813fd6f1a86f1bd59ac25a6 (diff) | |
Merge commit 'v4.9-rc5' into next
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 623259fc794d..997ac1d584f7 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -315,6 +315,9 @@ static void account_kernel_stack(struct task_struct *tsk, int account) static void release_task_stack(struct task_struct *tsk) { + if (WARN_ON(tsk->state != TASK_DEAD)) + return; /* Better to leak the stack than to free prematurely */ + account_kernel_stack(tsk, -1); arch_release_thread_stack(tsk->stack); free_thread_stack(tsk); @@ -1862,6 +1865,7 @@ bad_fork_cleanup_count: atomic_dec(&p->cred->user->processes); exit_creds(p); bad_fork_free: + p->state = TASK_DEAD; put_task_stack(p); free_task(p); fork_out: |