From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793827122; b=2G/ekDnaPwTdJG7hz2pkdoF+wX9ZLzwU9WIV3jM1Z8s6YNopS7xEVliSHB9bI/s32nwQ h4QiN45NkTUNKCWWILv8fhNBZUpFh5gItRkKMoWZusJvKzmTRQVEUNeatqvTmHBM7CqZu DBv8qmEHXLfiz0c2ZrVIfi1TY/4OG2idDqdhu+3IFHLW2kdTKkapKKt2gpv1bLRZ+mJqi Ltj/YPTFHCNbemw8Dd3Ckv0373AAkUkkUFZliEi1HTaujmX0dKq5NcfMPH8AUIdC8/tgR Ttxfa/xz2yP1oTxcypZbHZfQEQyGoxeZaehcogSgG5kph07mAHKIjbdcwRpd7G3lvdw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793827122; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:User-Agent:X-stable:X-Patchwork-Hint: MIME-Version:Content-Transfer-Encoding; bh=t6hQFPtupRIJ985gznrmYWIBDLG5TL6Rd94eWoJKRyk=; b=YAgQIUDQDnrY4X3LwWCTN2vSX4D+BaCsM51pPbDBU1GvpJqX2d0hDXozedzLQQiNeHdb fzzTDpVAU0EBDlZij/jbSctzd1H2G9P2/R4GRk1gHR+gd8oJy1gcRqeF/Mr96BT7u8KzE ZXIQUquP7wzm9dlOJKaajyN8Be/FuTWTkc1BUcQOE/d5yWqdkFhTGBpwruobPECvu9tDG 4cJOZqk9ouRG2zHNpOeXom4ZgWUrwaSv9XZvALav4sKbYhNp6QxbXqA7lG+5jqeMAqQRu X6CSItL252UsFKC26lxsOEzsdBiRZInFMH4yjtQvBfAcFwrbgSO3VlAu397UCFVTQNQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=Iy5yCJ3m; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 94D5F606AE33; Wed, 4 Nov 2026 21:18:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=Iy5yCJ3m Received: by smtp.kernel.org (Postfix) with ESMTPSA id 301A41F000C1; Wed, 4 Nov 2026 21:18:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1793827122; bh=t6hQFPtupRIJ985gznrmYWIBDLG5TL6Rd94eWoJKRyk=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Iy5yCJ3mTgYmEijPjvK1M9MOQae5tMMRM77wHxQm+4IQhYeDhjLZ/XwuktN1jWtfJ S52mXMXT7D2wIJf79TQWKmGrG+ujtuNPp+JgXIT1iRaFMPAtmAWSkEKOCV0eFImIMo pT9eaD1JfuF86MsaKjTc06yYvc6DzveV9AYwVQSI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Heiko Carstens Subject: [PATCH 7.3 177/547] s390/probes: Fix wrong opcode for cgrb fixup Date: Wed, 4 Nov 2026 16:06:01 -0500 Message-ID: <20261104211043.174978998@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261104211038.406938024@linuxfoundation.org> References: <20261104211038.406938024@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore X-Mailing-List: patches@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.3-stable review patch. If anyone has any objections, please let me know. ------------------ From: Heiko Carstens commit d7ccab11a13475e656b9d2277900422c1bfc12c5 upstream. The last byte of the cgrb instruction is 0xe4, however the probes code compares against 0xe6. Fix it. Fixes: 6b169ac9b434 ("s390/kprobes: add support for compare and branch instructions") Cc: stable@vger.kernel.org Signed-off-by: Heiko Carstens Signed-off-by: Greg Kroah-Hartman --- arch/s390/lib/probes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/s390/lib/probes.c +++ b/arch/s390/lib/probes.c @@ -99,8 +99,8 @@ int probe_get_fixup_type(u16 *insn) break; case 0xec: switch (insn[2] & 0xff) { + case 0xe4: /* cgrb */ case 0xe5: /* clgrb */ - case 0xe6: /* cgrb */ case 0xf6: /* crb */ case 0xf7: /* clrb */ case 0xfc: /* cgib */