diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-05-22 08:56:55 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-05-22 08:56:55 +0200 |
| commit | b4a338d2b3cafa1be68d4e1903203c7e08a38ee5 (patch) | |
| tree | 069f3753af1cda34c36a7627000ab46ef5c51c83 /kernel/fork.c | |
| parent | 34cfb106d1f8a746fcccbe61c852f705dcdceaa2 (diff) | |
| parent | 08332893e37af6ae779367e78e444f8f9571511d (diff) | |
| download | lwn-b4a338d2b3cafa1be68d4e1903203c7e08a38ee5.tar.gz lwn-b4a338d2b3cafa1be68d4e1903203c7e08a38ee5.zip | |
Merge 4.12-rc2 into char-misc-next
We want the fixes in here as well to handle merge issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 06d759ab4c62..aa1076c5e4a9 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1845,11 +1845,13 @@ static __latent_entropy struct task_struct *copy_process( */ recalc_sigpending(); if (signal_pending(current)) { - spin_unlock(¤t->sighand->siglock); - write_unlock_irq(&tasklist_lock); retval = -ERESTARTNOINTR; goto bad_fork_cancel_cgroup; } + if (unlikely(!(ns_of_pid(pid)->nr_hashed & PIDNS_HASH_ADDING))) { + retval = -ENOMEM; + goto bad_fork_cancel_cgroup; + } if (likely(p->pid)) { ptrace_init_task(p, (clone_flags & CLONE_PTRACE) || trace); @@ -1907,6 +1909,8 @@ static __latent_entropy struct task_struct *copy_process( return p; bad_fork_cancel_cgroup: + spin_unlock(¤t->sighand->siglock); + write_unlock_irq(&tasklist_lock); cgroup_cancel_fork(p); bad_fork_free_pid: cgroup_threadgroup_change_end(current); |