Messages in this thread Patch in this message | | | From | Roland McGrath <> | Subject | [PATCH] waitid si_code regression | Date | Sat, 8 Mar 2008 11:41:22 -0800 (PST) |
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In commit ee7c82da830ea860b1f9274f1f0cdf99f206e7c2, the magic (short) cast when storing si_code was lost in wait_task_stopped. This leaks the in-kernel CLD_* values that do not match what userland expects.
Signed-off-by: Roland McGrath <roland@redhat.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> --- kernel/exit.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/exit.c b/kernel/exit.c index cd20bf0..53872bf 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -1378,7 +1378,7 @@ unlock_sig: if (!retval && infop) retval = put_user(0, &infop->si_errno); if (!retval && infop) - retval = put_user(why, &infop->si_code); + retval = put_user((short)why, &infop->si_code); if (!retval && infop) retval = put_user(exit_code, &infop->si_status); if (!retval && infop)
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