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seccomp: Use PR_SPEC_FORCE_DISABLE

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commit b849a812f7 upstream

Use PR_SPEC_FORCE_DISABLE in seccomp() because seccomp does not allow to
widen restrictions.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thomas Gleixner
2018-05-04 09:40:03 +02:00
committed by Greg Kroah-Hartman
parent 20d036a2e2
commit d829fcceb8
1 changed files with 1 additions and 1 deletions
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2
kernel/seccomp.c
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@@ -239,7 +239,7 @@ static inline void spec_mitigate(struct task_struct *task,
int state = arch_prctl_spec_ctrl_get(task, which);
if (state > 0 && (state & PR_SPEC_PRCTL))
arch_prctl_spec_ctrl_set(task, which, PR_SPEC_DISABLE);
arch_prctl_spec_ctrl_set(task, which, PR_SPEC_FORCE_DISABLE);
}
static inline void seccomp_assign_mode(struct task_struct *task,