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Mon, 19 Feb 2024 13:57:04 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap2.dmz-prg2.suse.org with ESMTPSA id Y8ktOzBe02W9DAAAn2gu4w (envelope-from ); Mon, 19 Feb 2024 13:57:04 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: c406a5e5-cf2e-11ee-98f5-efadbce2ee36 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1708351025; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=SwodJ1pTCGhLAwKhDNMO6/ovhBbx7H7Fl1qXIfAUnBE=; b=X/lfICm01rh/mCjemMUvY0penYfitc1mzMqdXdVnl0vTZs/N4XpLcT7OaYpWgCpwZh/dHr QVoxvVU2BZVJUoyyrcHujB19tD5TbpSyN0LOHSweFu/Z16LyuyFqvgMutdR4HpwCigAv6D Q4xVD4XrqLl/G+4BsobRUT7PNm4K210= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1708351025; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=SwodJ1pTCGhLAwKhDNMO6/ovhBbx7H7Fl1qXIfAUnBE=; b=X/lfICm01rh/mCjemMUvY0penYfitc1mzMqdXdVnl0vTZs/N4XpLcT7OaYpWgCpwZh/dHr QVoxvVU2BZVJUoyyrcHujB19tD5TbpSyN0LOHSweFu/Z16LyuyFqvgMutdR4HpwCigAv6D Q4xVD4XrqLl/G+4BsobRUT7PNm4K210= From: Juergen Gross To: xen-devel@lists.xenproject.org Cc: Juergen Gross , Wei Liu , Anthony PERARD Subject: [PATCH] tools/9pfsd: add missing va_end() in fill_data() Date: Mon, 19 Feb 2024 14:56:58 +0100 Message-Id: <20240219135658.3662-1-jgross@suse.com> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Authentication-Results: smtp-out2.suse.de; none X-Spam-Level: *** X-Spam-Score: 3.70 X-Spamd-Result: default: False [3.70 / 50.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; R_MISSING_CHARSET(2.50)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; BROKEN_CONTENT_TYPE(1.50)[]; TO_DN_SOME(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; RCVD_COUNT_THREE(0.00)[3]; DKIM_SIGNED(0.00)[suse.com:s=susede1]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MID_CONTAINS_FROM(1.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:email]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_ALL(0.00)[]; BAYES_HAM(-0.00)[31.25%] X-Spam-Flag: NO X-ZohoMail-DKIM: pass (identity @suse.com) X-ZM-MESSAGEID: 1708351061313100001 Content-Type: text/plain; charset="utf-8" In xen-9pfsd fill_data() va_end() needs to be called before returning. Coverity Id CID 1592145 Fixes: bcec59cf7ff4 ("tools/xen-9pfsd: add 9pfs version request support") Signed-off-by: Juergen Gross Reviewed-by: Anthony PERARD --- tools/9pfsd/io.c | 29 ++++++++++++++++------------- 1 file changed, 16 insertions(+), 13 deletions(-) diff --git a/tools/9pfsd/io.c b/tools/9pfsd/io.c index ebc4102713..adb887c7d9 100644 --- a/tools/9pfsd/io.c +++ b/tools/9pfsd/io.c @@ -445,7 +445,7 @@ static int fill_data(struct ring *ring, const char *fmt= , ...) if ( !*f || array_sz ) fmt_err(fmt); if ( !chk_data(ring, data, sizeof(uint16_t)) ) - return pars; + goto out; array_sz =3D get_unaligned((uint16_t *)data); data +=3D sizeof(uint16_t); *(unsigned int *)par =3D array_sz; @@ -455,10 +455,10 @@ static int fill_data(struct ring *ring, const char *f= mt, ...) =20 case 'b': if ( !chk_data(ring, data, sizeof(uint8_t)) ) - return pars; + goto out; if ( !fill_data_elem(&par, array, &array_sz, sizeof(uint8_t), data) ) - return pars; + goto out; data +=3D sizeof(uint8_t); break; =20 @@ -466,48 +466,48 @@ static int fill_data(struct ring *ring, const char *f= mt, ...) if ( array_sz ) fmt_err(fmt); if ( !chk_data(ring, data, sizeof(uint32_t)) ) - return pars; + goto out; len =3D get_unaligned((uint32_t *)data); data +=3D sizeof(uint32_t); *(unsigned int *)par =3D len; par =3D va_arg(ap, void *); if ( !chk_data(ring, data, len) ) - return pars; + goto out; memcpy(par, data, len); data +=3D len; break; =20 case 'L': if ( !chk_data(ring, data, sizeof(uint64_t)) ) - return pars; + goto out; if ( !fill_data_elem(&par, array, &array_sz, sizeof(uint64_t), data) ) - return pars; + goto out; data +=3D sizeof(uint64_t); break; =20 case 'S': if ( !chk_data(ring, data, sizeof(uint16_t)) ) - return pars; + goto out; len =3D get_unaligned((uint16_t *)data); data +=3D sizeof(uint16_t); if ( !chk_data(ring, data, len) ) - return pars; + goto out; str_off =3D add_string(ring, data, len); if ( str_off =3D=3D ~0 ) - return pars; + goto out; if ( !fill_data_elem(&par, array, &array_sz, sizeof(unsigned i= nt), &str_off) ) - return pars; + goto out; data +=3D len; break; =20 case 'U': if ( !chk_data(ring, data, sizeof(uint32_t)) ) - return pars; + goto out; if ( !fill_data_elem(&par, array, &array_sz, sizeof(uint32_t), data) ) - return pars; + goto out; data +=3D sizeof(uint32_t); break; =20 @@ -520,6 +520,9 @@ static int fill_data(struct ring *ring, const char *fmt= , ...) pars++; } =20 + out: + va_end(ap); + return pars; } =20 --=20 2.35.3