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| author | Ingo Molnar <mingo@kernel.org> | 2016-11-09 09:50:27 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-11-09 17:07:11 +0100 |
| commit | ca4b2df651a098a716e8cd8ebba79ba329e3dcc3 (patch) | |
| tree | 0aa7f067fef0e7de075e7bd9dce2e81795e93e44 /kernel/fork.c | |
| parent | 59c6f278bdeea4147e8be92a3ed50a9907e60088 (diff) | |
| parent | b0b6e86846093c5f8820386bc01515f857dd8faa (diff) | |
| download | cachepc-linux-ca4b2df651a098a716e8cd8ebba79ba329e3dcc3.tar.gz cachepc-linux-ca4b2df651a098a716e8cd8ebba79ba329e3dcc3.zip | |
Merge branch 'x86/urgent' into x86/cpu, to pick up dependent fix
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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: |