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=1794061534; b=Wb88GBvHoJ8Hw7tHbWsyaI6XRjkqN1v2DhGoaQCPd6WnJ2qWxcXAYw+/+3ONFYwRHxBN Vsh9MrQv/UYUkCXG+97gHv7pcPmckAYx/mmjwRM3f/3En2bSLP5KbX2kEd3ahStwOfNwI VHJvm/Bl9SEoPNNdO/G8qOBufGonucztAhEIo7GvT5HIrolI7EROtCNnQdPK1G4Ld5oVr VE23GnDGyvYU1lw7AEjxm65IGikYnRoUod65FN0TJkCX/6/Dn4SILMQMFu164vZs34EjL 5edBMzVmnyDnRycGI6UqNRcvEYp7VlgkAoGPdSBop/PJ7mxlKv17f2pjBhsKwZ7SPTQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794061534; 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=SLTHiERv036JvaLMkJDpSTcLoFSUUnC9YpAbDMjZD+0=; b=UEDZQhhttFQqCzWI4GBZwojnc0v1A7n7j6ZrkrjzJ9e4EPalEmI20DsOMIWSjpUVO+MI c2onzxNcWC76moLXlJslJmcqU1n+2yck1Y2OJkHHvOKQBFHa98JYxYxH5nUaLDY20BJh8 SCzKr2Wqk8dRZT7TEcWyNzF1WOWQpdOILcybae7DbownsgEWXs60fgftBRq99HZQzKG+k U1PRPGe7YcK7wU1AxIEYAuC2Krom0AHrT304ZsCzrkcBCMxmPODaduixK50c7ye7a1odE wdWtIVGMSknB5qgCYLW1ZkUPlQC4CW/2PiQxydgHqC7HGlJKPmdKiLZlwjVBcfvefRQ== 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=i2mIhqGa; 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 86982606A326; Sat, 7 Nov 2026 14:25:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=i2mIhqGa Received: by smtp.kernel.org (Postfix) with ESMTPSA id 32EEA1F0089F; Sat, 7 Nov 2026 14:25:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1794061534; bh=SLTHiERv036JvaLMkJDpSTcLoFSUUnC9YpAbDMjZD+0=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=i2mIhqGadMJW3iLdF920vp6nez7WHX54vwjsMyRncAsKC3w5AzgpjjfrFVHJ5wkds SdvNoxkyHiO8XkpMMXmf8hA6oc9OAaSI7NhrenFqPa07OGgI1aAeXx8OnWPaixrDko GeFfZbSFyrJGN4CMYcDr0v00r0RrLsaH4Rq17C2I= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Heiko Carstens Subject: [PATCH 6.12 0618/1536] s390/probes: Fix wrong opcode for cgrb fixup Date: Sat, 7 Nov 2026 08:43:54 -0500 Message-ID: <20261107135014.892908747@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261107134957.653319350@linuxfoundation.org> References: <20261107134957.653319350@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-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 */