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Fri, 26 Sep 2025 23:12:21 -0700 (PDT) From: Menglong Dong X-Google-Original-From: Menglong Dong To: ast@kernel.org Cc: bpf@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, jiang.biao@linux.dev Subject: [PATCH RFC bpf-next 2/3] x86,bpf: use bpf_prog_report_probe_violation for x86 Date: Sat, 27 Sep 2025 14:12:09 +0800 Message-ID: <20250927061210.194502-3-menglong.dong@linux.dev> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250927061210.194502-1-menglong.dong@linux.dev> References: <20250927061210.194502-1-menglong.dong@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Use bpf_prog_report_probe_violation() to report the memory probe fault in ex_handler_bpf(). Signed-off-by: Menglong Dong --- arch/x86/net/bpf_jit_comp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c index fc13306af15f..03d4d8385f4c 100644 --- a/arch/x86/net/bpf_jit_comp.c +++ b/arch/x86/net/bpf_jit_comp.c @@ -1470,6 +1470,8 @@ bool ex_handler_bpf(const struct exception_table_entr= y *x, struct pt_regs *regs) off =3D FIELD_GET(DATA_ARENA_OFFSET_MASK, x->data); addr =3D *(unsigned long *)((void *)regs + arena_reg) + off; bpf_prog_report_arena_violation(is_write, addr, regs->ip); + } else { + bpf_prog_report_probe_violation(is_write, regs->ip); } =20 /* jump over faulting load and clear dest register */ --=20 2.51.0