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Sun, 16 Aug 2026 15:24:52 -0700 (PDT) Message-ID: <2447337fd08c971d7f95f4b4589b85f182c4bae5.camel@gmail.com> Subject: Re: [PATCH bpf-next v2 6/6] selftests/bpf: Add tests for fault prone loads out of RCU pointers From: Eduard Zingerman To: Daniel Borkmann Cc: memxor@gmail.com, bpf@vger.kernel.org Date: Sun, 16 Aug 2026 15:24:49 -0700 In-Reply-To: <20260814215301.709827-6-daniel@iogearbox.net> References: <20260814215301.709827-1-daniel@iogearbox.net> <20260814215301.709827-6-daniel@iogearbox.net> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2-10 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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. >=20 > =C2=A0 # LDLIBS=3D-static PKG_CONFIG=3D'pkg-config --static' ./vmtest.sh = -- ./test_progs -t rcu_read_lock > =C2=A0 [...] > =C2=A0 #332/1=C2=A0=C2=A0 rcu_read_lock/success:OK > =C2=A0 #332/2=C2=A0=C2=A0 rcu_read_lock/rcuptr_acquire:OK > =C2=A0 #332/3=C2=A0=C2=A0 rcu_read_lock/negative_tests_inproper_region:OK > =C2=A0 #332/4=C2=A0=C2=A0 rcu_read_lock/negative_tests_rcuptr_misuse:OK > =C2=A0 #332=C2=A0=C2=A0=C2=A0=C2=A0 rcu_read_lock:OK > =C2=A0 Summary: 1/4 PASSED, 0 SKIPPED, 0/0 FAILED >=20 > Signed-off-by: Daniel Borkmann > --- > =C2=A0v1 -> v2: > =C2=A0=C2=A0 - new patch >=20 Acked-by: Eduard Zingerman