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SubjectRe: [PATCH v11 07/12] seccomp: add SECCOMP_RET_ERRNO
On 02/24, Will Drewry wrote:
>
> static u32 seccomp_run_filters(int syscall)
> {
> struct seccomp_filter *f;
> - u32 ret = SECCOMP_RET_KILL;
> static const struct bpf_load_fn fns = {
> bpf_load,
> sizeof(struct seccomp_data),
> };
> + u32 ret = SECCOMP_RET_ALLOW;
> const void *sc_ptr = (const void *)(uintptr_t)syscall;
>
> + /* Ensure unexpected behavior doesn't result in failing open. */
> + if (unlikely(current->seccomp.filter == NULL))
> + ret = SECCOMP_RET_KILL;

Is "seccomp.filter == NULL" really possible?

Oleg.



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