From patchwork Mon Nov 26 16:59:05 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [255/270] freezer: exec should clear PF_NOFREEZE along with PF_KTHREAD From: Herton Ronaldo Krzesinski X-Patchwork-Id: 201986 Message-Id: <1353949160-26803-256-git-send-email-herton.krzesinski@canonical.com> To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: "Rafael J. Wysocki" , Oleg Nesterov Date: Mon, 26 Nov 2012 14:59:05 -0200 3.5.7u1 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Oleg Nesterov commit b40a79591ca918e7b91b0d9b6abd5d00f2e88c19 upstream. flush_old_exec() clears PF_KTHREAD but forgets about PF_NOFREEZE. Signed-off-by: Oleg Nesterov Acked-by: Tejun Heo Signed-off-by: Rafael J. Wysocki Signed-off-by: Herton Ronaldo Krzesinski --- fs/exec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/exec.c b/fs/exec.c index e95aeed..8726a93 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1110,7 +1110,8 @@ int flush_old_exec(struct linux_binprm * bprm) bprm->mm = NULL; /* We're using it now */ set_fs(USER_DS); - current->flags &= ~(PF_RANDOMIZE | PF_FORKNOEXEC | PF_KTHREAD); + current->flags &= + ~(PF_RANDOMIZE | PF_FORKNOEXEC | PF_KTHREAD | PF_NOFREEZE); flush_thread(); current->personality &= ~bprm->per_clear;