From nobody Tue Feb 10 15:28:35 2026 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 1763784162285398.43027526406297; Fri, 21 Nov 2025 20:02:42 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vMd4m-0002zH-Uf; Fri, 21 Nov 2025 21:10:13 -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 1vMcSo-00088u-Pr; Fri, 21 Nov 2025 20:30:59 -0500 Received: from isrv.corpit.ru ([212.248.84.144]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vMcQm-0000oV-BU; Fri, 21 Nov 2025 20:30:54 -0500 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 1185316CA59; Fri, 21 Nov 2025 21:44:24 +0300 (MSK) Received: from think4mjt.tls.msk.ru (mjtthink.wg.tls.msk.ru [192.168.177.146]) by tsrv.corpit.ru (Postfix) with ESMTP id BEDEB321C95; Fri, 21 Nov 2025 21:44:32 +0300 (MSK) From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Sean Anderson , Richard Henderson , =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Michael Tokarev Subject: [Stable-10.0.7 30/81] gdbstub: Fix %s formatting Date: Fri, 21 Nov 2025 21:43:29 +0300 Message-ID: <20251121184424.1137669-30-mjt@tls.msk.ru> X-Mailer: git-send-email 2.47.3 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=212.248.84.144; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru 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: 1763784163663018900 From: Sean Anderson The format string for %s has two format characters. This causes it to emit strings like "466f5bd8/6x" instead of "466f5bd8/6". GDB detects this and returns EIO, causing all open File I/O calls to fail. Fixes: 0820a075af ("gdbstub: Adjust gdb_do_syscall to only use uint32_t and= uint64_t") Signed-off-by: Sean Anderson Reviewed-by: Richard Henderson Reviewed-by: Alex Benn=C3=A9e Reviewed-by: Philippe Mathieu-Daud=C3=A9 Message-ID: <20251027110344.2289945-35-alex.bennee@linaro.org> Signed-off-by: Alex Benn=C3=A9e (cherry picked from commit 524fc77d2322814f0dfde272559d74ec1599f01e) Signed-off-by: Michael Tokarev diff --git a/gdbstub/syscalls.c b/gdbstub/syscalls.c index e855df21ab..d8bb90cc1c 100644 --- a/gdbstub/syscalls.c +++ b/gdbstub/syscalls.c @@ -127,7 +127,7 @@ void gdb_do_syscall(gdb_syscall_complete_cb cb, const c= har *fmt, ...) case 's': i64 =3D va_arg(va, uint64_t); i32 =3D va_arg(va, uint32_t); - p +=3D snprintf(p, p_end - p, "%" PRIx64 "/%x" PRIx32, i64= , i32); + p +=3D snprintf(p, p_end - p, "%" PRIx64 "/%" PRIx32, i64,= i32); break; default: bad_format: --=20 2.47.3