Commit 6efcae46 authored Mar 08, 2008 by Roland McGrath Committed by Linus Torvalds Mar 08, 2008

Fix waitid si_code regression



In commit ee7c82da ("wait_task_stopped:
simplify and fix races with SIGCONT/SIGKILL/untrace"), 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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 84c6f604

kernel/exit.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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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