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author | 2022-11-11 17:00:15 -0300 | |
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committer | 2023-01-21 00:12:46 +0100 | |
commit | ffd0ea5d8c41cd10e4f182384cab340895f21e2d (patch) | |
tree | f34827c08b6a28cc5415833b699c5b69dd405331 | |
parent | x86: Fix wcsnlen-avx2 page cross length comparison [BZ #29591] (diff) | |
download | glibc-ffd0ea5d8c41cd10e4f182384cab340895f21e2d.tar.gz glibc-ffd0ea5d8c41cd10e4f182384cab340895f21e2d.tar.bz2 glibc-ffd0ea5d8c41cd10e4f182384cab340895f21e2d.zip |
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 <adhemerval.zanella@linaro.org>
(cherry picked from commit 227df6243a2b5b4d70d11772d12c02eb9cb666ca)
(cherry picked from commit 3aae843e9e9e6a2502e98ff44d2671b20a023f8e)
-rw-r--r-- | misc/bits/syslog.h | 18 | ||||
-rw-r--r-- | 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 <bits/floatn.h> +#if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1 +# include <bits/syslog-ldbl.h> +#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 <bits/syslog.h> -#endif - -#include <bits/floatn.h> -#if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1 -# include <bits/syslog-ldbl.h> +#else +# include <bits/floatn.h> +# if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1 +# include <bits/syslog-ldbl.h> +# endif #endif __END_DECLS |