From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1827) id BBFBD3858C78; Tue, 29 Nov 2022 22:19:08 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org BBFBD3858C78 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1669760348; bh=IUu6GE2mvWrl9eU8+gYPejE7Wfyaj0B6/HbZGp1zybg=; h=From:To:Subject:Date:From; b=ACMNdqDBE5naGuz9pL9hgo7eaEMaLPIPdbnlFaAk7G8g6UIAfe2gFTGUZYv56PQOE BDJXqNd4Mv0e8wLjHoU3cNJ91P/7rGKEsQBwIweTzLvaTfHFwX1O/sEAVwI/v170Kj Cvre59zVZPHZzLr8WNvrLlPJRYiDGHA92+QDFtvE= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Tulio Magno Quites Machado Filho To: glibc-cvs@sourceware.org Subject: [glibc/release/2.36/master] Apply asm redirections in syslog.h before first use [BZ #27087] X-Act-Checkin: glibc X-Git-Author: Tulio Magno Quites Machado Filho X-Git-Refname: refs/heads/release/2.36/master X-Git-Oldrev: fa196d06d392f9bb2eae2f41613c6b0710f26293 X-Git-Newrev: 3aae843e9e9e6a2502e98ff44d2671b20a023f8e Message-Id: <20221129221908.BBFBD3858C78@sourceware.org> Date: Tue, 29 Nov 2022 22:19:08 +0000 (GMT) List-Id: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3aae843e9e9e6a2502e98ff44d2671b20a023f8e commit 3aae843e9e9e6a2502e98ff44d2671b20a023f8e Author: Tulio Magno Quites Machado Filho Date: Fri Nov 11 17:00:15 2022 -0300 Apply asm redirections in syslog.h before first use [BZ #27087] Similar to d0fa09a770, but for syslog.h when _FORTIFY_SOURCE > 0. Fixes [BZ #27087] by applying long double-related asm redirections before using functions in bits/syslog.h. Tested with build-many-glibcs.py. Reviewed-by: Adhemerval Zanella (cherry picked from commit 227df6243a2b5b4d70d11772d12c02eb9cb666ca) Diff: --- misc/bits/syslog.h | 18 ++++++++++++++---- misc/sys/syslog.h | 10 +++++----- 2 files changed, 19 insertions(+), 9 deletions(-) diff --git a/misc/bits/syslog.h b/misc/bits/syslog.h index fd30dd3114..916d2b6f12 100644 --- a/misc/bits/syslog.h +++ b/misc/bits/syslog.h @@ -24,6 +24,20 @@ extern void __syslog_chk (int __pri, int __flag, const char *__fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4))); +#ifdef __USE_MISC +extern void __vsyslog_chk (int __pri, int __flag, const char *__fmt, + __gnuc_va_list __ap) + __attribute__ ((__format__ (__printf__, 3, 0))); +#endif + +#include +#if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1 +# include +#endif + +/* The following functions must be used only after applying all asm + redirections, e.g. long double asm redirections. */ + #ifdef __va_arg_pack __fortify_function void syslog (int __pri, const char *__fmt, ...) @@ -37,10 +51,6 @@ syslog (int __pri, const char *__fmt, ...) #ifdef __USE_MISC -extern void __vsyslog_chk (int __pri, int __flag, const char *__fmt, - __gnuc_va_list __ap) - __attribute__ ((__format__ (__printf__, 3, 0))); - __fortify_function void vsyslog (int __pri, const char *__fmt, __gnuc_va_list __ap) { diff --git a/misc/sys/syslog.h b/misc/sys/syslog.h index d933fea104..3888153ed2 100644 --- a/misc/sys/syslog.h +++ b/misc/sys/syslog.h @@ -205,11 +205,11 @@ extern void vsyslog (int __pri, const char *__fmt, __gnuc_va_list __ap) /* Define some macros helping to catch buffer overflows. */ #if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function # include -#endif - -#include -#if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1 -# include +#else +# include +# if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1 +# include +# endif #endif __END_DECLS