diff options
| author | Roland McGrath <roland@redhat.com> | 2006-04-12 16:30:20 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-04-14 08:59:13 -0700 |
| commit | e57a5059846e55d82b86d96dde40e988598601b3 (patch) | |
| tree | 85b0f48406b37b46261735cbdd66e379977a0327 | |
| parent | c06511d12d720b23c8dffff23004f0a888698f20 (diff) | |
| download | lwn-e57a5059846e55d82b86d96dde40e988598601b3.tar.gz lwn-e57a5059846e55d82b86d96dde40e988598601b3.zip | |
[PATCH] fix non-leader exec under ptrace
This reverts most of commit 30e0fca6c1d7d26f3f2daa4dd2b12c51dadc778a.
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
788e05a67c343fa22f2ae1d3ca264e7f15c25eaf.
Signed-off-by: Roland McGrath <roland@redhat.com>
Acked-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | kernel/ptrace.c | 7 | ||||
| -rw-r--r-- | kernel/signal.c | 4 |
2 files changed, 4 insertions, 7 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 0eeb7e66722c..4e0f0ec003f7 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -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); } @@ -81,7 +77,8 @@ void __ptrace_unlink(task_t *child) add_parent(child); } - ptrace_untrace(child); + if (child->state == TASK_TRACED) + ptrace_untrace(child); } /* diff --git a/kernel/signal.c b/kernel/signal.c index b14f895027c3..e5f8aea78ffe 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -1754,9 +1754,9 @@ relock: /* 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; |