From patchwork Mon Nov 4 13:41:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konstantin Kostiuk X-Patchwork-Id: 2006258 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=SNisPrYr; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Xht240GVpz1xxN for ; Tue, 5 Nov 2024 00:42:35 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t7xLF-00017h-Gl; Mon, 04 Nov 2024 08:42:01 -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 1t7xLB-00016d-6h for qemu-devel@nongnu.org; Mon, 04 Nov 2024 08:41:57 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t7xL9-0002nQ-DJ for qemu-devel@nongnu.org; Mon, 04 Nov 2024 08:41:56 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1730727714; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=RPthFrMxmhKGom/Zvwb9lQV5GfKcxFkTWB5GPax1qUo=; b=SNisPrYrvsAHV4d3QfgcVWSxUXgcTSQeqV1icRx2hB3HIPlsmSsl0uOube0ZIPYWzfMdlK HuAWRPJ1whJSFLmRseyHtcuxdNcNjeSpTpKPdle4U15tyes9tw9g23APDyV5PCA3+RfQq9 ifzmVRfGupcLrwiNcIJKfolrlNxJO+I= Received: from mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-255-Ts0PFCkjPdmCvAydVlMPLw-1; Mon, 04 Nov 2024 08:41:48 -0500 X-MC-Unique: Ts0PFCkjPdmCvAydVlMPLw-1 Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 7215419560AE; Mon, 4 Nov 2024 13:41:47 +0000 (UTC) Received: from srv1.redhat.com (unknown [10.45.226.47]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id D25131956086; Mon, 4 Nov 2024 13:41:44 +0000 (UTC) From: Konstantin Kostiuk To: qemu-devel@nongnu.org, Peter Maydell , Stefan Hajnoczi , Richard Henderson Subject: [PULL 1/3] qga: fix -Wsometimes-uninitialized windows warning Date: Mon, 4 Nov 2024 15:41:37 +0200 Message-ID: <20241104134139.225514-2-kkostiuk@redhat.com> In-Reply-To: <20241104134139.225514-1-kkostiuk@redhat.com> References: <20241104134139.225514-1-kkostiuk@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Received-SPF: pass client-ip=170.10.129.124; envelope-from=kkostiuk@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.34, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Pierrick Bouvier Reported by clang, but not gcc. [5123/5678] Compiling C object qga/qemu-ga.exe.p/commands-windows-ssh.c.obj FAILED: qga/qemu-ga.exe.p/commands-windows-ssh.c.obj "cc" "-Iqga/qemu-ga.exe.p" "-Iqga" "-I../qga" "-I." "-Iqapi" "-Itrace" "-Iui" "-Iui/shader" "-IC:/msys64/clangarm64/include/glib-2.0" "-IC:/msys64/clangarm64/lib/glib-2.0/include" "-fdiagnostics-color=auto" "-Wall" "-Winvalid-pch" "-Werror" "-std=gnu11" "-O2" "-g" "-fstack-protector-strong" "-Wempty-body" "-Wendif-labels" "-Wexpansion-to-defined" "-Wformat-security" "-Wformat-y2k" "-Wignored-qualifiers" "-Winit-self" "-Wmissing-format-attribute" "-Wmissing-prototypes" "-Wnested-externs" "-Wold-style-definition" "-Wredundant-decls" "-Wstrict-prototypes" "-Wtype-limits" "-Wundef" "-Wvla" "-Wwrite-strings" "-Wno-gnu-variable-sized-type-not-at-end" "-Wno-initializer-overrides" "-Wno-missing-include-dirs" "-Wno-psabi" "-Wno-shift-negative-value" "-Wno-string-plus-int" "-Wno-tautological-type-limit-compare" "-Wno-typedef-redefinition" "-Wthread-safety" "-iquote" "." "-iquote" "C:/w/qemu" "-iquote" "C:/w/qemu/include" "-iquote" "C:/w/qemu/host/include/aarch64" "-iquote" "C:/w/qemu/host/include/generic" "-iquote" "C:/w/qemu/tcg/aarch64" "-D_GNU_SOURCE" "-D_FILE_OFFSET_BITS=64" "-D_LARGEFILE_SOURCE" "-fno-strict-aliasing" "-fno-common" "-fwrapv" "-fno-pie" "-ftrivial-auto-var-init=zero" "-fzero-call-used-regs=used-gpr" -MD -MQ qga/qemu-ga.exe.p/commands-windows-ssh.c.obj -MF "qga/qemu-ga.exe.p/commands-windows-ssh.c.obj.d" -o qga/qemu-ga.exe.p/commands-windows-ssh.c.obj "-c" ../qga/commands-windows-ssh.c ../qga/commands-windows-ssh.c:383:9: error: variable 'userPSID' is used uninitialized whenever 'if' condition is true [-Werror,-Wsometimes-uninitialized] 383 | if (!create_acl(userInfo, &pACL, errp)) { | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../qga/commands-windows-ssh.c:415:15: note: uninitialized use occurs here 415 | LocalFree(userPSID); | ^~~~~~~~ ../qga/commands-windows-ssh.c:383:5: note: remove the 'if' if its condition is always false 383 | if (!create_acl(userInfo, &pACL, errp)) { | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 384 | goto error; | ~~~~~~~~~~~ 385 | } | ~ ../qga/commands-windows-ssh.c:380:18: note: initialize the variable 'userPSID' to silence this warning 380 | PSID userPSID; | ^ | = NULL 1 error generated. Signed-off-by: Pierrick Bouvier Reviewed-by: Konstantin Kostiuk Link: https://lore.kernel.org/r/20241031040426.772604-6-pierrick.bouvier@linaro.org Signed-off-by: Konstantin Kostiuk --- qga/commands-windows-ssh.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/qga/commands-windows-ssh.c b/qga/commands-windows-ssh.c index 6a642e3ba8..df45c17b75 100644 --- a/qga/commands-windows-ssh.c +++ b/qga/commands-windows-ssh.c @@ -377,7 +377,7 @@ error: static bool set_file_permissions(PWindowsUserInfo userInfo, Error **errp) { PACL pACL = NULL; - PSID userPSID; + PSID userPSID = NULL; /* Creates the access control structure */ if (!create_acl(userInfo, &pACL, errp)) { From patchwork Mon Nov 4 13:41:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Konstantin Kostiuk X-Patchwork-Id: 2006256 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Mon, 04 Nov 2024 08:41:50 -0500 X-MC-Unique: ABTYQ7DlNaqBLDdMOlJMCg-1 Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 908411956096; Mon, 4 Nov 2024 13:41:49 +0000 (UTC) Received: from srv1.redhat.com (unknown [10.45.226.47]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id EEEE21956086; Mon, 4 Nov 2024 13:41:47 +0000 (UTC) From: Konstantin Kostiuk To: qemu-devel@nongnu.org, Peter Maydell , Stefan Hajnoczi , Richard Henderson Subject: [PULL 2/3] qga: fix missing static and prototypes windows warnings Date: Mon, 4 Nov 2024 15:41:38 +0200 Message-ID: <20241104134139.225514-3-kkostiuk@redhat.com> In-Reply-To: <20241104134139.225514-1-kkostiuk@redhat.com> References: <20241104134139.225514-1-kkostiuk@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Received-SPF: pass client-ip=170.10.133.124; envelope-from=kkostiuk@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.34, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Pierrick Bouvier Reported by clang++, but not by g++. ../qga/vss-win32/provider.cpp:48:6: error: no previous prototype for function 'LockModule' [-Werror,-Wmissing-prototypes] 48 | void LockModule(BOOL lock) | ^ ../qga/vss-win32/provider.cpp:48:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 48 | void LockModule(BOOL lock) | ^ | static ../qga/vss-win32/provider.cpp:531:13: error: no previous prototype for function 'DllMain' [-Werror,-Wmissing-prototypes] 531 | BOOL WINAPI DllMain(HINSTANCE hinstDll, DWORD dwReason, LPVOID lpReserved) | ^ ../qga/vss-win32/provider.cpp:531:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 531 | BOOL WINAPI DllMain(HINSTANCE hinstDll, DWORD dwReason, LPVOID lpReserved) | ^ | static Signed-off-by: Pierrick Bouvier Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Konstantin Kostiuk Link: https://lore.kernel.org/r/20241031040426.772604-7-pierrick.bouvier@linaro.org Signed-off-by: Konstantin Kostiuk --- qga/vss-win32/install.cpp | 6 +++++- qga/vss-win32/provider.cpp | 5 ++++- qga/vss-win32/requester.cpp | 8 ++++---- 3 files changed, 13 insertions(+), 6 deletions(-) diff --git a/qga/vss-win32/install.cpp b/qga/vss-win32/install.cpp index 84944133f7..5cea5bcf74 100644 --- a/qga/vss-win32/install.cpp +++ b/qga/vss-win32/install.cpp @@ -39,7 +39,7 @@ const GUID CLSID_WbemLocator = { 0x4590f811, 0x1d3a, 0x11d0, const GUID IID_IWbemLocator = { 0xdc12a687, 0x737f, 0x11cf, {0x88, 0x4d, 0x00, 0xaa, 0x00, 0x4b, 0x2e, 0x24} }; -void errmsg(DWORD err, const char *text) +static void errmsg(DWORD err, const char *text) { /* * `text' contains function call statement when errmsg is called via chk(). @@ -242,6 +242,7 @@ out: } /* Unregister this module from COM+ Applications Catalog */ +STDAPI COMUnregister(void); STDAPI COMUnregister(void) { qga_debug_begin; @@ -256,6 +257,7 @@ out: } /* Register this module to COM+ Applications Catalog */ +STDAPI COMRegister(void); STDAPI COMRegister(void) { qga_debug_begin; @@ -380,11 +382,13 @@ out: return hr; } +STDAPI_(void) CALLBACK DLLCOMRegister(HWND, HINSTANCE, LPSTR, int); STDAPI_(void) CALLBACK DLLCOMRegister(HWND, HINSTANCE, LPSTR, int) { COMRegister(); } +STDAPI_(void) CALLBACK DLLCOMUnregister(HWND, HINSTANCE, LPSTR, int); STDAPI_(void) CALLBACK DLLCOMUnregister(HWND, HINSTANCE, LPSTR, int) { COMUnregister(); diff --git a/qga/vss-win32/provider.cpp b/qga/vss-win32/provider.cpp index cc72e5ef1b..a102a23fbf 100644 --- a/qga/vss-win32/provider.cpp +++ b/qga/vss-win32/provider.cpp @@ -45,7 +45,7 @@ const IID IID_IVssEnumObject = { 0xAE1C7110, 0x2F60, 0x11d3, {0x8A, 0x39, 0x00, 0xC0, 0x4F, 0x72, 0xD8, 0xE3} }; -void LockModule(BOOL lock) +static void LockModule(BOOL lock) { if (lock) { InterlockedIncrement(&g_nComObjsInUse); @@ -527,6 +527,9 @@ STDAPI DllCanUnloadNow() return g_nComObjsInUse == 0 ? S_OK : S_FALSE; } +EXTERN_C +BOOL WINAPI DllMain(HINSTANCE hinstDll, DWORD dwReason, LPVOID lpReserved); + EXTERN_C BOOL WINAPI DllMain(HINSTANCE hinstDll, DWORD dwReason, LPVOID lpReserved) { diff --git a/qga/vss-win32/requester.cpp b/qga/vss-win32/requester.cpp index 9884c65e70..4401d55e3a 100644 --- a/qga/vss-win32/requester.cpp +++ b/qga/vss-win32/requester.cpp @@ -254,8 +254,8 @@ out: qga_debug_end; } -DWORD get_reg_dword_value(HKEY baseKey, LPCSTR subKey, LPCSTR valueName, - DWORD defaultData) +static DWORD get_reg_dword_value(HKEY baseKey, LPCSTR subKey, LPCSTR valueName, + DWORD defaultData) { qga_debug_begin; @@ -272,12 +272,12 @@ DWORD get_reg_dword_value(HKEY baseKey, LPCSTR subKey, LPCSTR valueName, return dwordData; } -bool is_valid_vss_backup_type(VSS_BACKUP_TYPE vssBT) +static bool is_valid_vss_backup_type(VSS_BACKUP_TYPE vssBT) { return (vssBT > VSS_BT_UNDEFINED && vssBT < VSS_BT_OTHER); } -VSS_BACKUP_TYPE get_vss_backup_type( +static VSS_BACKUP_TYPE get_vss_backup_type( VSS_BACKUP_TYPE defaultVssBT = DEFAULT_VSS_BACKUP_TYPE) { qga_debug_begin; 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Mon, 4 Nov 2024 13:41:49 +0000 (UTC) From: Konstantin Kostiuk To: qemu-devel@nongnu.org, Peter Maydell , Stefan Hajnoczi , Richard Henderson Subject: [PULL 3/3] qemu-ga: Fix a SIGSEGV in ga_run_command() helper Date: Mon, 4 Nov 2024 15:41:39 +0200 Message-ID: <20241104134139.225514-4-kkostiuk@redhat.com> In-Reply-To: <20241104134139.225514-1-kkostiuk@redhat.com> References: <20241104134139.225514-1-kkostiuk@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Received-SPF: pass client-ip=170.10.133.124; envelope-from=kkostiuk@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.34, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Sunil Nimmagadda qemu-ga on a NetBSD -current VM terminates with a SIGSEGV upon receiving 'guest-set-time' command... Core was generated by `qemu-ga'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x000000000cd37a40 in ga_pipe_read_str (fd=fd@entry=0xffffff922a20, str=str@entry=0xffffff922a18) at ../qga/commands-posix.c:88 88 *str[len] = '\0'; [Current thread is 1 (process 1112)] (gdb) bt #0 0x000000000cd37a40 in ga_pipe_read_str (fd=fd@entry=0xffffff922a20, str=str@entry=0xffffff922a18) at ../qga/commands-posix.c:88 #1 0x000000000cd37b60 in ga_run_command (argv=argv@entry=0xffffff922a90, action=action@entry=0xcda34b8 "set hardware clock to system time", errp=errp@entry=0xffffff922a70, in_str=0x0) at ../qga/commands-posix.c:164 #2 0x000000000cd380c4 in qmp_guest_set_time (has_time=, time_ns=, errp=errp@entry=0xffffff922ad0) at ../qga/commands-posix.c:304 #3 0x000000000cd253d8 in qmp_marshal_guest_set_time (args=, ret=, errp=0xffffff922b48) at qga/qga-qapi-commands.c:193 #4 0x000000000cd4e71c in qmp_dispatch (cmds=cmds@entry=0xcdf5b18 , request=request@entry=0xf3c711a4b000, allow_oob=allow_oob@entry=false, cur_mon=cur_mon@entry=0x0) at ../qapi/qmp-dispatch.c:220 #5 0x000000000cd36524 in process_event (opaque=0xf3c711a79000, obj=0xf3c711a4b000, err=0x0) at ../qga/main.c:677 #6 0x000000000cd526f0 in json_message_process_token (lexer=lexer@entry=0xf3c711a79018, input=0xf3c712072480, type=type@entry=JSON_RCURLY, x=28, y=1) at ../qobject/json-streamer.c:99 #7 0x000000000cd93860 in json_lexer_feed_char (lexer=lexer@entry=0xf3c711a79018, ch=125 '}', flush=flush@entry=false) at ../qobject/json-lexer.c:313 #8 0x000000000cd93a00 in json_lexer_feed (lexer=lexer@entry=0xf3c711a79018, buffer=buffer@entry=0xffffff922d10 "{\"execute\":\"guest-set-time\"}\n", size=) at ../qobject/json-lexer.c:350 #9 0x000000000cd5290c in json_message_parser_feed (parser=parser@entry=0xf3c711a79000, buffer=buffer@entry=0xffffff922d10 "{\"execute\":\"guest-set-time\"}\n", size=) at ../qobject/json-streamer.c:121 #10 0x000000000cd361fc in channel_event_cb (condition=, data=0xf3c711a79000) at ../qga/main.c:703 #11 0x000000000cd3710c in ga_channel_client_event (channel=, condition=, data=0xf3c711b2d300) at ../qga/channel-posix.c:94 #12 0x0000f3c7120d9bec in g_main_dispatch () from /usr/pkg/lib/libglib-2.0.so.0 #13 0x0000f3c7120dd25c in g_main_context_iterate_unlocked.constprop () from /usr/pkg/lib/libglib-2.0.so.0 #14 0x0000f3c7120ddbf0 in g_main_loop_run () from /usr/pkg/lib/libglib-2.0.so.0 #15 0x000000000cda00d8 in run_agent_once (s=0xf3c711a79000) at ../qga/main.c:1522 #16 run_agent (s=0xf3c711a79000) at ../qga/main.c:1559 #17 main (argc=, argv=) at ../qga/main.c:1671 (gdb) The commandline options used on the host machine... qemu-system-aarch64 \ -machine type=virt,pflash0=rom \ -m 8G \ -cpu host \ -smp 8 \ -accel hvf \ -device virtio-net-pci,netdev=unet \ -device virtio-blk-pci,drive=hd \ -drive file=netbsd.qcow2,if=none,id=hd \ -netdev user,id=unet,hostfwd=tcp::2223-:22 \ -object rng-random,filename=/dev/urandom,id=viornd0 \ -device virtio-rng-pci,rng=viornd0 \ -serial mon:stdio \ -display none \ -blockdev node-name=rom,driver=file,filename=/opt/homebrew/Cellar/qemu/9.0.2/share/qemu/edk2-aarch64-code.fd,read-only=true \ -chardev socket,path=/tmp/qga_netbsd.sock,server=on,wait=off,id=qga0 \ -device virtio-serial \ -device virtconsole,chardev=qga0,name=org.qemu.guest_agent.0 This patch rectifies the operator precedence while assigning the NUL terminator. Fixes: c3f32c13a325f1ca9a0b08c19fefe9e5cc04289d Signed-off-by: Sunil Nimmagadda Reviewed-by: Konstantin Kostiuk Reviewed-by: Daniel P. Berrangé Link: https://lore.kernel.org/r/m15xppk9qg.fsf@nimmagadda.net Signed-off-by: Konstantin Kostiuk --- qga/commands-posix.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/qga/commands-posix.c b/qga/commands-posix.c index 389c5eeb5d..636307bedf 100644 --- a/qga/commands-posix.c +++ b/qga/commands-posix.c @@ -84,7 +84,7 @@ static ssize_t ga_pipe_read_str(int fd[2], char **str) *str = g_realloc(*str, len + n + 1); memcpy(*str + len, buf, n); len += n; - *str[len] = '\0'; + (*str)[len] = '\0'; } close(fd[0]); fd[0] = -1;