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authorThomas Gleixner <tglx@linutronix.de>2018-05-04 09:40:03 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-05-22 18:54:04 +0200
commitd829fcceb8f532966bfb07fb67cb968374fcbbd2 (patch)
treefc1b2d6dc8686f6b05609d8483639bdb9d2adf86
parent20d036a2e223a5c4327bcf432ef995f59f51d1d1 (diff)
seccomp: Use PR_SPEC_FORCE_DISABLE
commit b849a812f7eb92e96d1c8239b06581b2cfd8b275 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>
-rw-r--r--kernel/seccomp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/seccomp.c b/kernel/seccomp.c
index 55f20aee7ea2..6f22d9d8abcd 100644
--- a/kernel/seccomp.c
+++ b/kernel/seccomp.c
@@ -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,