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=1793831408; b=P+JbYJ+bxZMGVgUhVTseQnNW3Ws5Ms8cRyr1T8Y0niF7tKH6higJWa13xsLr0BeuDSO9 10JFNnDVO2QEV5nsW1lCAHEtzMOlAIBiUUz049XbLTJZkaEBt61QgE4Hu3+35SxMwF7yY FFMbTbQjYPw9mz2De2SGT2+oJNzNweFFxs0TVNXZ3oSLjMBu3wlpNLWNiwvz512t6gszq qgHaU1zq7bzlVA6cPH3Too9uYHl59ml6ubCuPWW97p/4JsXDM2OHhe8grqD3HjXcmZ2DW eWTVJcIoSw1csXc00X3CCbLHIz/C2llBqLVn6b4qsq7N1A4Ksx+GKpvMbYQl7FwsjTw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793831408; 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=+92QIkkIIzBnqXulst8HbfmrmKvPXVpbH5PpPDMK5vc=; b=NPttcFx2UNMElgA79zyvj7JRAixWCISqIXMG3gcQC3mn5bmiAcdxRmHDOyQMtvKieE4C x+BWwzGkLQcaa/1ZvBmbywOsa++Aa3AQ354yOB1aQ6o6tfLv6e2/2R0HLh194ZqYVgEfZ zS31Ogpp48XH4gQxh+cFL8AqAWzyyn1lqBWdfft3/a3jXpefhYxzQknByCRzPr2dYIT3P w6fjbLl72Pg2PE7BXXWLTIEOUgmthcxUhFQRF59jJOaVE8sY8Kj4gVjmMB25JV5LOJs1f UOXVzRSaVguN8IrhWyUQddivAuPJ86CHIXsauSpT0bLnAF/33WDG1nGJC/SGh9l2UcQ== 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=WtSEr2vy; 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 B6074606AB29; Wed, 4 Nov 2026 22:30:07 +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=WtSEr2vy Received: by smtp.kernel.org (Postfix) with ESMTPSA id 512341F000C1; Wed, 4 Nov 2026 22:30:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1793831407; bh=+92QIkkIIzBnqXulst8HbfmrmKvPXVpbH5PpPDMK5vc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=WtSEr2vy/zZoDjaKuB7qYa7eIGWFXKi+YDCbb3Y3d+eMANKe7SkkM8KgX9nC/QmcR xfXUkH/ZaEYb6I0mrXzm7S1QBhwtP/htH9OdhNffPQYPs/1lu/iqJ75zAY+XrzAsVx vg+A+eJugzx2w+3wZMez9X0solSLmfTdr4ug+ePw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Heiko Carstens Subject: [PATCH 6.18 0687/1005] s390/probes: Fix wrong opcode for cgrb fixup Date: Wed, 4 Nov 2026 16:07:00 -0500 Message-ID: <20261104211102.861717256@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261104211043.516122098@linuxfoundation.org> References: <20261104211043.516122098@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 6.18-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 */