From: Eduard Zingerman <eddyz87@gmail.com>
To: Amery Hung <ameryhung@gmail.com>, bpf@vger.kernel.org
Cc: netdev@vger.kernel.org, alexei.starovoitov@gmail.com,
andrii@kernel.org, daniel@iogearbox.net, memxor@gmail.com,
martin.lau@kernel.org, mykyta.yatsenko5@gmail.com,
kernel-team@meta.com
Subject: Re: [PATCH bpf-next v4 06/12] bpf: Remove redundant dynptr arg check for helper
Date: Tue, 12 May 2026 11:32:06 -0700 [thread overview]
Message-ID: <f89db2ee4911db2d8bb1da5b44e318d98bece0e2.camel@gmail.com> (raw)
In-Reply-To: <20260506142709.2298255-7-ameryhung@gmail.com>
On Wed, 2026-05-06 at 07:27 -0700, Amery Hung wrote:
> unmark_stack_slots_dynptr() already makes sure that CONST_PTR_TO_DYNPTR
> cannot be released. process_dynptr_func() also prevents passing
> uninitialized dynptr to helpers expecting initialized dynptr. Now that
> unmark_stack_slots_dynptr() also error returned from
> release_reference(), there should be no reason to keep these redundant
> checks.
>
> Signed-off-by: Amery Hung <ameryhung@gmail.com>
> ---
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
[...]
next prev parent reply other threads:[~2026-05-12 18:32 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-06 14:26 [PATCH bpf-next v4 00/12] Refactor verifier object relationship tracking Amery Hung
2026-05-06 14:26 ` [PATCH bpf-next v4 01/12] bpf: Simplify mark_stack_slot_obj_read() and callers Amery Hung
2026-05-11 17:17 ` Eduard Zingerman
2026-05-12 20:13 ` Amery Hung
2026-05-06 14:26 ` [PATCH bpf-next v4 02/12] bpf: Unify dynptr handling in the verifier Amery Hung
2026-05-06 15:27 ` bot+bpf-ci
2026-05-07 12:22 ` Amery Hung
2026-05-06 14:26 ` [PATCH bpf-next v4 03/12] bpf: Assign reg->id when getting referenced kptr from ctx Amery Hung
2026-05-06 15:27 ` bot+bpf-ci
2026-05-07 12:38 ` Amery Hung
2026-05-11 21:31 ` Eduard Zingerman
2026-05-06 14:27 ` [PATCH bpf-next v4 04/12] bpf: Preserve reg->id of pointer objects after null-check Amery Hung
2026-05-11 21:48 ` Eduard Zingerman
2026-05-06 14:27 ` [PATCH bpf-next v4 05/12] bpf: Refactor object relationship tracking and fix dynptr UAF bug Amery Hung
2026-05-06 15:27 ` bot+bpf-ci
2026-05-07 12:20 ` Amery Hung
2026-05-06 21:54 ` sashiko-bot
2026-05-07 12:52 ` Amery Hung
2026-05-12 2:28 ` Eduard Zingerman
2026-05-06 14:27 ` [PATCH bpf-next v4 06/12] bpf: Remove redundant dynptr arg check for helper Amery Hung
2026-05-12 18:32 ` Eduard Zingerman [this message]
2026-05-06 14:27 ` [PATCH bpf-next v4 07/12] bpf: Unify referenced object tracking in verifier Amery Hung
2026-05-06 22:48 ` sashiko-bot
2026-05-07 12:55 ` Amery Hung
2026-05-12 19:03 ` Eduard Zingerman
2026-05-12 20:37 ` Amery Hung
2026-05-12 21:09 ` Eduard Zingerman
2026-05-12 21:27 ` Amery Hung
2026-05-12 21:28 ` Eduard Zingerman
2026-05-12 21:31 ` Amery Hung
2026-05-06 14:27 ` [PATCH bpf-next v4 08/12] bpf: Unify release handling for helpers and kfuncs Amery Hung
2026-05-06 23:59 ` sashiko-bot
2026-05-07 13:23 ` Amery Hung
2026-05-12 20:19 ` Eduard Zingerman
2026-05-12 21:22 ` Amery Hung
2026-05-12 21:25 ` Eduard Zingerman
2026-05-06 14:27 ` [PATCH bpf-next v4 09/12] selftests/bpf: Test creating dynptr from dynptr data and slice Amery Hung
2026-05-06 14:27 ` [PATCH bpf-next v4 10/12] selftests/bpf: Test using dynptr after freeing the underlying object Amery Hung
2026-05-06 14:27 ` [PATCH bpf-next v4 11/12] selftests/bpf: Test using slice after invalidating dynptr clone Amery Hung
2026-05-06 14:27 ` [PATCH bpf-next v4 12/12] selftests/bpf: Test using file dynptr after the reference on file is dropped Amery Hung
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