| Date | Sun, 28 Oct 2012 23:17:09 +0000 | From | Ben Hutchings <> | Subject | [ 093/105] freezer: exec should clear PF_NOFREEZE along with PF_KTHREAD |
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3.2-stable review patch. If anyone has any objections, please let me know.
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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 <rafael.j.wysocki@intel.com> [bwh: Backported to 3.2: PF_FORKNOEXEC is cleared elsewhere] Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- fs/exec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/fs/exec.c +++ b/fs/exec.c @@ -1095,7 +1095,7 @@ int flush_old_exec(struct linux_binprm * bprm->mm = NULL; /* We're using it now */ set_fs(USER_DS); - current->flags &= ~(PF_RANDOMIZE | PF_KTHREAD); + current->flags &= ~(PF_RANDOMIZE | PF_KTHREAD | PF_NOFREEZE); flush_thread(); current->personality &= ~bprm->per_clear;
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