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bddbef3573
The problem was that when using clang + asan, we do not get a correct value
for the thread stack as some local variables are not allocated at the
normal stack.
It looks like that for example clang 18.1.3, when compiling with
-O2 -fsanitize=addressan it puts local variables and things allocated by
alloca() in other areas than on the stack.
The following code shows the issue
Thread 6 "mariadbd" hit Breakpoint 3, do_handle_one_connection
(connect=0x5080000027b8,
put_in_cache=<optimized out>) at sql/sql_connect.cc:1399
THD *thd;
1399 thd->thread_stack= (char*) &thd;
(gdb) p &thd
(THD **) 0x7fffedee7060
(gdb) p $sp
(void *) 0x7fffef4e7bc0
The address of thd is 24M away from the stack pointer
(gdb) info reg
...
rsp 0x7fffef4e7bc0 0x7fffef4e7bc0
...
r13 0x7fffedee7060 140737185214560
r13 is pointing to the address of the thd. Probably some kind of
"local stack" used by the sanitizer
I have verified this with gdb on a recursive call that calls alloca()
in a loop. In this case all objects was stored in a local heap,
not on the stack.
To solve this issue in a portable way, I have added two functions:
my_get_stack_pointer() returns the address of the current stack pointer.
The code is using asm instructions for intel 32/64 bit, powerpc,
arm 32/64 bit and sparc 32/64 bit.
Supported compilers are gcc, clang and MSVC.
For MSVC 64 bit we are using _AddressOfReturnAddress()
As a fallback for other compilers/arch we use the address of a local
variable.
my_get_stack_bounds() that will return the address of the base stack
and stack size using pthread_attr_getstack() or NtCurrentTed() with
fallback to using the address of a local variable and user provided
stack size.
Server changes are:
- Moving setting of thread_stack to THD::store_globals() using
my_get_stack_bounds().
- Removing setting of thd->thread_stack, except in functions that
allocates a lot on the stack before calling store_globals(). When
using estimates for stack start, we reduce stack_size with
MY_STACK_SAFE_MARGIN (8192) to take into account the stack used
before calling store_globals().
I also added a unittest, stack_allocation-t, to verify the new code.
Reviewed-by: Sergei Golubchik <serg@mariadb.org>
567 lines
17 KiB
CMake
567 lines
17 KiB
CMake
/* Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
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#ifndef MY_CONFIG_H
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#define MY_CONFIG_H
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/* #cmakedefine HAVE_MLOCK 1 see Bug#54662 */
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#cmakedefine HAVE_SOLARIS_ATOMIC 1
|
|
#cmakedefine NO_FCNTL_NONBLOCK 1
|
|
#cmakedefine NO_ALARM 1
|
|
|
|
#cmakedefine _LARGE_FILES 1
|
|
#cmakedefine _LARGEFILE_SOURCE 1
|
|
#cmakedefine _LARGEFILE64_SOURCE 1
|
|
|
|
#cmakedefine TIME_WITH_SYS_TIME 1
|
|
|
|
#cmakedefine STACK_DIRECTION @STACK_DIRECTION@
|
|
|
|
#define SYSTEM_TYPE "@SYSTEM_TYPE@"
|
|
#define MACHINE_TYPE "@CMAKE_SYSTEM_PROCESSOR@"
|
|
#define DEFAULT_MACHINE "@DEFAULT_MACHINE@"
|
|
#cmakedefine HAVE_DTRACE 1
|
|
|
|
#cmakedefine SIGNAL_WITH_VIO_CLOSE 1
|
|
|
|
/* Windows stuff, mostly functions, that have Posix analogs but named differently */
|
|
#cmakedefine S_IROTH @S_IROTH@
|
|
#cmakedefine S_IFIFO @S_IFIFO@
|
|
#cmakedefine IPPROTO_IPV6 @IPPROTO_IPV6@
|
|
#cmakedefine IPV6_V6ONLY @IPV6_V6ONLY@
|
|
#cmakedefine sigset_t @sigset_t@
|
|
#cmakedefine mode_t @mode_t@
|
|
#cmakedefine SIGQUIT @SIGQUIT@
|
|
#cmakedefine SIGPIPE @SIGPIPE@
|
|
#cmakedefine popen @popen@
|
|
#cmakedefine pclose @pclose@
|
|
#cmakedefine ssize_t @ssize_t@
|
|
#cmakedefine strcasecmp @strcasecmp@
|
|
#cmakedefine strncasecmp @strncasecmp@
|
|
#cmakedefine snprintf @snprintf@
|
|
#cmakedefine strtok_r @strtok_r@
|
|
#cmakedefine strtoll @strtoll@
|
|
#cmakedefine strtoull @strtoull@
|
|
#cmakedefine vsnprintf @vsnprintf@
|
|
#if defined(_MSC_VER) && (_MSC_VER > 1800)
|
|
#define tzname _tzname
|
|
#define P_tmpdir "C:\\TEMP"
|
|
#endif
|
|
#if defined(_MSC_VER) && (_MSC_VER > 1310)
|
|
# define HAVE_SETENV
|
|
#define setenv(a,b,c) _putenv_s(a,b)
|
|
#endif
|
|
#define PSAPI_VERSION 1 /* for GetProcessMemoryInfo() */
|
|
|
|
/* We don't want the min/max macros */
|
|
#ifdef __WIN__
|
|
#define NOMINMAX 1
|
|
#endif
|
|
|
|
/*
|
|
MySQL features
|
|
*/
|
|
#define LOCAL_INFILE_MODE_OFF 0
|
|
#define LOCAL_INFILE_MODE_ON 1
|
|
#define LOCAL_INFILE_MODE_AUTO 2
|
|
#define ENABLED_LOCAL_INFILE LOCAL_INFILE_MODE_@ENABLED_LOCAL_INFILE@
|
|
|
|
#cmakedefine ENABLED_PROFILING 1
|
|
#cmakedefine EXTRA_DEBUG 1
|
|
#cmakedefine USE_SYMDIR 1
|
|
|
|
/* Character sets and collations */
|
|
#cmakedefine MYSQL_DEFAULT_CHARSET_NAME "@MYSQL_DEFAULT_CHARSET_NAME@"
|
|
#cmakedefine MYSQL_DEFAULT_COLLATION_NAME "@MYSQL_DEFAULT_COLLATION_NAME@"
|
|
|
|
#cmakedefine USE_MB
|
|
#cmakedefine USE_MB_IDENT
|
|
|
|
/* This should mean case insensitive file system */
|
|
#cmakedefine FN_NO_CASE_SENSE 1
|
|
|
|
#cmakedefine HAVE_CHARSET_armscii8 1
|
|
#cmakedefine HAVE_CHARSET_ascii 1
|
|
#cmakedefine HAVE_CHARSET_big5 1
|
|
#cmakedefine HAVE_CHARSET_cp1250 1
|
|
#cmakedefine HAVE_CHARSET_cp1251 1
|
|
#cmakedefine HAVE_CHARSET_cp1256 1
|
|
#cmakedefine HAVE_CHARSET_cp1257 1
|
|
#cmakedefine HAVE_CHARSET_cp850 1
|
|
#cmakedefine HAVE_CHARSET_cp852 1
|
|
#cmakedefine HAVE_CHARSET_cp866 1
|
|
#cmakedefine HAVE_CHARSET_cp932 1
|
|
#cmakedefine HAVE_CHARSET_dec8 1
|
|
#cmakedefine HAVE_CHARSET_eucjpms 1
|
|
#cmakedefine HAVE_CHARSET_euckr 1
|
|
#cmakedefine HAVE_CHARSET_gb2312 1
|
|
#cmakedefine HAVE_CHARSET_gbk 1
|
|
#cmakedefine HAVE_CHARSET_geostd8 1
|
|
#cmakedefine HAVE_CHARSET_greek 1
|
|
#cmakedefine HAVE_CHARSET_hebrew 1
|
|
#cmakedefine HAVE_CHARSET_hp8 1
|
|
#cmakedefine HAVE_CHARSET_keybcs2 1
|
|
#cmakedefine HAVE_CHARSET_koi8r 1
|
|
#cmakedefine HAVE_CHARSET_koi8u 1
|
|
#cmakedefine HAVE_CHARSET_latin1 1
|
|
#cmakedefine HAVE_CHARSET_latin2 1
|
|
#cmakedefine HAVE_CHARSET_latin5 1
|
|
#cmakedefine HAVE_CHARSET_latin7 1
|
|
#cmakedefine HAVE_CHARSET_macce 1
|
|
#cmakedefine HAVE_CHARSET_macroman 1
|
|
#cmakedefine HAVE_CHARSET_sjis 1
|
|
#cmakedefine HAVE_CHARSET_swe7 1
|
|
#cmakedefine HAVE_CHARSET_tis620 1
|
|
#cmakedefine HAVE_CHARSET_ucs2 1
|
|
#cmakedefine HAVE_CHARSET_ujis 1
|
|
#cmakedefine HAVE_CHARSET_utf8mb4 1
|
|
#cmakedefine HAVE_CHARSET_utf8mb3 1
|
|
#cmakedefine HAVE_CHARSET_utf16 1
|
|
#cmakedefine HAVE_CHARSET_utf32 1
|
|
#cmakedefine HAVE_UCA_COLLATIONS 1
|
|
#cmakedefine HAVE_COMPRESS 1
|
|
#cmakedefine HAVE_EncryptAes128Ctr 1
|
|
#cmakedefine HAVE_EncryptAes128Gcm 1
|
|
#cmakedefine HAVE_des 1
|
|
|
|
/*
|
|
Stuff that always need to be defined (compile breaks without it)
|
|
*/
|
|
#define HAVE_SPATIAL 1
|
|
#define HAVE_RTREE_KEYS 1
|
|
#define HAVE_QUERY_CACHE 1
|
|
#define BIG_TABLES 1
|
|
|
|
/*
|
|
Important storage engines (those that really need define
|
|
WITH_<ENGINE>_STORAGE_ENGINE for the whole server)
|
|
*/
|
|
#cmakedefine WITH_INNOBASE_STORAGE_ENGINE 1
|
|
#cmakedefine WITH_PARTITION_STORAGE_ENGINE 1
|
|
#cmakedefine WITH_PERFSCHEMA_STORAGE_ENGINE 1
|
|
#cmakedefine WITH_ARIA_STORAGE_ENGINE 1
|
|
#cmakedefine USE_ARIA_FOR_TMP_TABLES 1
|
|
|
|
#cmakedefine DEFAULT_MYSQL_HOME "@DEFAULT_MYSQL_HOME@"
|
|
#cmakedefine SHAREDIR "@SHAREDIR@"
|
|
#cmakedefine DEFAULT_BASEDIR "@DEFAULT_BASEDIR@"
|
|
#cmakedefine MYSQL_DATADIR "@MYSQL_DATADIR@"
|
|
#cmakedefine DEFAULT_CHARSET_HOME "@DEFAULT_CHARSET_HOME@"
|
|
#cmakedefine PLUGINDIR "@PLUGINDIR@"
|
|
#cmakedefine DEFAULT_SYSCONFDIR "@DEFAULT_SYSCONFDIR@"
|
|
#cmakedefine DEFAULT_TMPDIR @DEFAULT_TMPDIR@
|
|
|
|
#cmakedefine SO_EXT "@CMAKE_SHARED_MODULE_SUFFIX@"
|
|
|
|
#define MYSQL_VERSION_MAJOR @MAJOR_VERSION@
|
|
#define MYSQL_VERSION_MINOR @MINOR_VERSION@
|
|
#define MYSQL_VERSION_PATCH @PATCH_VERSION@
|
|
#define MYSQL_VERSION_EXTRA "@EXTRA_VERSION@"
|
|
|
|
#define PACKAGE "mysql"
|
|
#define PACKAGE_BUGREPORT ""
|
|
#define PACKAGE_NAME "MySQL Server"
|
|
#define PACKAGE_STRING "MySQL Server @VERSION@"
|
|
#define PACKAGE_TARNAME "mysql"
|
|
#define PACKAGE_VERSION "@VERSION@"
|
|
#define VERSION "@VERSION@"
|
|
#define PROTOCOL_VERSION 10
|
|
#define PCRE2_CODE_UNIT_WIDTH 8
|
|
|
|
#define MALLOC_LIBRARY "@MALLOC_LIBRARY@"
|
|
|
|
/* time_t related defines */
|
|
|
|
#cmakedefine SIZEOF_TIME_T @SIZEOF_TIME_T@
|
|
#cmakedefine TIME_T_UNSIGNED @TIME_T_UNSIGNED@
|
|
|
|
#ifndef EMBEDDED_LIBRARY
|
|
#cmakedefine WSREP_INTERFACE_VERSION "@WSREP_INTERFACE_VERSION@"
|
|
#cmakedefine WITH_WSREP 1
|
|
#cmakedefine WSREP_PROC_INFO 1
|
|
#endif
|
|
|
|
#if !defined(__STDC_FORMAT_MACROS)
|
|
#define __STDC_FORMAT_MACROS
|
|
#endif // !defined(__STDC_FORMAT_MACROS)
|
|
|
|
#endif
|
|
|
|
#cmakedefine HAVE_VFORK 1
|