Commit e57a5059 authored by Roland McGrath's avatar Roland McGrath Committed by Linus Torvalds

[PATCH] fix non-leader exec under ptrace

This reverts most of commit 30e0fca6.
It broke the case of non-leader MT exec when ptraced.
I think the bug it was intended to fix was already addressed by commit
788e05a6.
Signed-off-by: default avatarRoland McGrath <roland@redhat.com>
Acked-by: default avatarOleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent c06511d1
......@@ -56,10 +56,6 @@ void ptrace_untrace(task_t *child)
signal_wake_up(child, 1);
}
}
if (child->signal->flags & SIGNAL_GROUP_EXIT) {
sigaddset(&child->pending.signal, SIGKILL);
signal_wake_up(child, 1);
}
spin_unlock(&child->sighand->siglock);
}
......@@ -81,6 +77,7 @@ void __ptrace_unlink(task_t *child)
add_parent(child);
}
if (child->state == TASK_TRACED)
ptrace_untrace(child);
}
......
......@@ -1754,9 +1754,9 @@ int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka,
/* Let the debugger run. */
ptrace_stop(signr, signr, info);
/* We're back. Did the debugger cancel the sig or group_exit? */
/* We're back. Did the debugger cancel the sig? */
signr = current->exit_code;
if (signr == 0 || current->signal->flags & SIGNAL_GROUP_EXIT)
if (signr == 0)
continue;
current->exit_code = 0;
......
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