diff options
| author | David S. Miller <davem@davemloft.net> | 2020-01-09 12:10:26 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-01-09 12:13:43 -0800 |
| commit | a2d6d7ae591c47ebc04926cb29a840adfdde49e6 (patch) | |
| tree | be464f987f0ab690481e2783d680aa88574026e4 /kernel/exit.c | |
| parent | b1daa4d194731ab484fb22742506dd25ad1a5628 (diff) | |
| parent | e69ec487b2c7c82ef99b4b15122f58a2a99289a3 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
The ungrafting from PRIO bug fixes in net, when merged into net-next,
merge cleanly but create a build failure. The resolution used here is
from Petr Machata.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index bcbd59888e67..2833ffb0c211 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -517,10 +517,6 @@ static struct task_struct *find_child_reaper(struct task_struct *father, } write_unlock_irq(&tasklist_lock); - if (unlikely(pid_ns == &init_pid_ns)) { - panic("Attempted to kill init! exitcode=0x%08x\n", - father->signal->group_exit_code ?: father->exit_code); - } list_for_each_entry_safe(p, n, dead, ptrace_entry) { list_del_init(&p->ptrace_entry); @@ -766,6 +762,14 @@ void __noreturn do_exit(long code) acct_update_integrals(tsk); group_dead = atomic_dec_and_test(&tsk->signal->live); if (group_dead) { + /* + * If the last thread of global init has exited, panic + * immediately to get a useable coredump. + */ + if (unlikely(is_global_init(tsk))) + panic("Attempted to kill init! exitcode=0x%08x\n", + tsk->signal->group_exit_code ?: (int)code); + #ifdef CONFIG_POSIX_TIMERS hrtimer_cancel(&tsk->signal->real_timer); exit_itimers(tsk->signal); |