linux-kernel - [PATCH] nlmclnt_recovery: don't use CLONE

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Message-ID: <20070412235629.GA1047@tv-sign.ru>
Date:	Fri, 13 Apr 2007 03:56:29 +0400
From:	Oleg Nesterov <oleg@...sign.ru>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Trond Myklebust <Trond.Myklebust@...app.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] nlmclnt_recovery: don't use CLONE_SIGHAND

reclaimer() calls allow_signal() which plays with parent process's ->sighand.

Signed-off-by: Oleg Nesterov <oleg@...sign.ru>

--- 2.6.21-rc5/fs/lockd/clntlock.c~1_lockd	2007-04-05 12:04:07.000000000 +0400
+++ 2.6.21-rc5/fs/lockd/clntlock.c	2007-04-13 03:20:51.000000000 +0400
@@ -153,7 +153,7 @@ nlmclnt_recovery(struct nlm_host *host)
 	if (!host->h_reclaiming++) {
 		nlm_get_host(host);
 		__module_get(THIS_MODULE);
-		if (kernel_thread(reclaimer, host, CLONE_KERNEL) < 0)
+		if (kernel_thread(reclaimer, host, CLONE_FS | CLONE_FILES) < 0)
 			module_put(THIS_MODULE);
 	}
 }

-
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