From nobody Wed Nov 27 14:39:16 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1731154710042644.2073217008758; Sat, 9 Nov 2024 04:18:30 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t9kKH-00080F-7U; Sat, 09 Nov 2024 07:12:25 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t9kIb-0004Aa-4p; Sat, 09 Nov 2024 07:10:42 -0500 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t9kIZ-0004Ki-Ih; Sat, 09 Nov 2024 07:10:40 -0500 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 988C2A1607; Sat, 9 Nov 2024 15:07:08 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id 5EB43167F95; Sat, 9 Nov 2024 15:08:03 +0300 (MSK) Received: (nullmailer pid 3295348 invoked by uid 1000); Sat, 09 Nov 2024 12:08:01 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Ilya Leoshkevich , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Michael Tokarev Subject: [Stable-9.0.4 31/57] linux-user/ppc: Fix sigmask endianness issue in sigreturn Date: Sat, 9 Nov 2024 15:07:33 +0300 Message-Id: <20241109120801.3295120-31-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.5 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1731154710470116600 From: Ilya Leoshkevich do_setcontext() copies the target sigmask without endianness handling and then uses target_to_host_sigset_internal(), which expects a byte-swapped one. Use target_to_host_sigset() instead. Fixes: bcd4933a23f1 ("linux-user: ppc signal handling") Signed-off-by: Ilya Leoshkevich Reviewed-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 Message-ID: <20241017125811.447961-2-iii@linux.ibm.com> Signed-off-by: Richard Henderson (cherry picked from commit 8704132805cf7a3259d1c5a073b3c2b92afa2616) Signed-off-by: Michael Tokarev diff --git a/linux-user/ppc/signal.c b/linux-user/ppc/signal.c index 652038a53c..fa6161b4d2 100644 --- a/linux-user/ppc/signal.c +++ b/linux-user/ppc/signal.c @@ -627,7 +627,7 @@ static int do_setcontext(struct target_ucontext *ucp, C= PUPPCState *env, int sig) if (!lock_user_struct(VERIFY_READ, mcp, mcp_addr, 1)) return 1; =20 - target_to_host_sigset_internal(&blocked, &set); + target_to_host_sigset(&blocked, &set); set_sigmask(&blocked); restore_user_regs(env, mcp, sig); =20 --=20 2.39.5