[ 41/54] freezer: exec should clear PF_NOFREEZE along with PF_KTHREAD
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2012-10-29 21:46:53
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3.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Oleg Nesterov <oleg@redhat.com> commit b40a79591ca918e7b91b0d9b6abd5d00f2e88c19 upstream. flush_old_exec() clears PF_KTHREAD but forgets about PF_NOFREEZE. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Rafael J. Wysocki <redacted> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- fs/exec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/fs/exec.c
+++ b/fs/exec.c@@ -1114,7 +1114,8 @@ int flush_old_exec(struct linux_binprm * 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;