From: Eduard Zingerman <eddyz87@gmail.com>
To: Daniel Borkmann <daniel@iogearbox.net>
Cc: memxor@gmail.com, bpf@vger.kernel.org
Subject: Re: [PATCH bpf-next v2 6/6] selftests/bpf: Add tests for fault prone loads out of RCU pointers
Date: Sun, 16 Aug 2026 15:24:49 -0700 [thread overview]
Message-ID: <2447337fd08c971d7f95f4b4589b85f182c4bae5.camel@gmail.com> (raw)
In-Reply-To: <20260814215301.709827-6-daniel@iogearbox.net>
On Fri, 2026-08-14 at 23:53 +0200, Daniel Borkmann wrote:
> Cover the two loads which used to lose the BPF_PROBE_MEM rewrite, both
> reached from an RCU read-side critical section.
>
> # LDLIBS=-static PKG_CONFIG='pkg-config --static' ./vmtest.sh -- ./test_progs -t rcu_read_lock
> [...]
> #332/1 rcu_read_lock/success:OK
> #332/2 rcu_read_lock/rcuptr_acquire:OK
> #332/3 rcu_read_lock/negative_tests_inproper_region:OK
> #332/4 rcu_read_lock/negative_tests_rcuptr_misuse:OK
> #332 rcu_read_lock:OK
> Summary: 1/4 PASSED, 0 SKIPPED, 0/0 FAILED
>
> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
> ---
> v1 -> v2:
> - new patch
>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
next prev parent reply other threads:[~2026-08-16 22:24 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-14 21:52 [PATCH bpf-next v2 1/6] bpf: Keep fault protection when merging pointer types Daniel Borkmann
2026-08-14 21:52 ` [PATCH bpf-next v2 2/6] bpf: Treat a fault prone PTR_TO_MEM as a pointer type mismatch Daniel Borkmann
2026-08-16 19:44 ` Eduard Zingerman
2026-08-14 21:52 ` [PATCH bpf-next v2 3/6] bpf: Reject a store through a fault prone pointer Daniel Borkmann
2026-08-14 22:40 ` bot+bpf-ci
2026-08-14 23:26 ` Daniel Borkmann
2026-08-16 19:54 ` Eduard Zingerman
2026-08-16 20:02 ` Eduard Zingerman
2026-08-14 21:52 ` [PATCH bpf-next v2 4/6] bpf: Rewrite any fault prone load out of a mem or btf_id pointer Daniel Borkmann
2026-08-16 20:06 ` Eduard Zingerman
2026-08-14 21:52 ` [PATCH bpf-next v2 5/6] selftests/bpf: Add tests for pointer type merge at a shared load Daniel Borkmann
2026-08-14 22:56 ` bot+bpf-ci
2026-08-14 23:35 ` Daniel Borkmann
2026-08-16 22:24 ` Eduard Zingerman
2026-08-16 22:32 ` Eduard Zingerman
2026-08-14 21:53 ` [PATCH bpf-next v2 6/6] selftests/bpf: Add tests for fault prone loads out of RCU pointers Daniel Borkmann
2026-08-14 22:03 ` sashiko-bot
2026-08-14 22:28 ` Daniel Borkmann
2026-08-16 22:24 ` Eduard Zingerman [this message]
2026-08-14 22:15 ` [PATCH bpf-next v2 1/6] bpf: Keep fault protection when merging pointer types sashiko-bot
2026-08-14 22:19 ` Daniel Borkmann
2026-08-16 19:42 ` Eduard Zingerman
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