Mercurial > hg > nginx
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Valgrind: supressed complaints about uninitialized bytes.
Valgrind complains if we pass uninitialized memory to a syscall:
==36492== Syscall param sendmsg(msg.msg_iov[0]) points to uninitialised byte(s)
==36492== at 0x6B5E6A: sendmsg (in /usr/lib/system/libsystem_kernel.dylib)
==36492== by 0x10004288E: ngx_signal_worker_processes (ngx_process_cycle.c:527)
==36492== by 0x1000417A7: ngx_master_process_cycle (ngx_process_cycle.c:203)
==36492== by 0x100001F10: main (nginx.c:410)
==36492== Address 0x7fff5fbff71c is on thread 1's stack
Even initialization of all members of the structure passed isn't enough, as
there is padding which still remains uninitialized and results in Valgrind
complaint. Note there is no real problem here as data from uninitialized
memory isn't used.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Wed, 05 Jun 2013 19:44:22 +0400 |
parents | c0f7b94e88ba |
children | 00bdc9f08a16 |
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# Copyright (C) Igor Sysoev # Copyright (C) Nginx, Inc. help=no NGX_PREFIX= NGX_SBIN_PATH= NGX_CONF_PREFIX= NGX_CONF_PATH= NGX_ERROR_LOG_PATH= NGX_PID_PATH= NGX_LOCK_PATH= NGX_USER= NGX_GROUP= CC=${CC:-cc} CPP= NGX_OBJS=objs NGX_DEBUG=NO NGX_CC_OPT= NGX_LD_OPT= CPU=NO NGX_RPATH=NO NGX_TEST_BUILD_DEVPOLL=NO NGX_TEST_BUILD_EVENTPORT=NO NGX_TEST_BUILD_EPOLL=NO NGX_TEST_BUILD_RTSIG=NO NGX_TEST_BUILD_SOLARIS_SENDFILEV=NO NGX_PLATFORM= NGX_WINE= EVENT_FOUND=NO EVENT_RTSIG=NO EVENT_SELECT=NO EVENT_POLL=NO EVENT_AIO=NO USE_THREADS=NO NGX_FILE_AIO=NO NGX_IPV6=NO HTTP=YES NGX_HTTP_LOG_PATH= NGX_HTTP_CLIENT_TEMP_PATH= NGX_HTTP_PROXY_TEMP_PATH= NGX_HTTP_FASTCGI_TEMP_PATH= NGX_HTTP_UWSGI_TEMP_PATH= NGX_HTTP_SCGI_TEMP_PATH= HTTP_CACHE=YES HTTP_CHARSET=YES HTTP_GZIP=YES HTTP_SSL=NO HTTP_SPDY=NO HTTP_SSI=YES HTTP_POSTPONE=NO HTTP_REALIP=NO HTTP_XSLT=NO HTTP_IMAGE_FILTER=NO HTTP_SUB=NO HTTP_ADDITION=NO HTTP_DAV=NO HTTP_ACCESS=YES HTTP_AUTH_BASIC=YES HTTP_USERID=YES HTTP_AUTOINDEX=YES HTTP_RANDOM_INDEX=NO HTTP_STATUS=NO HTTP_GEO=YES HTTP_GEOIP=NO HTTP_MAP=YES HTTP_SPLIT_CLIENTS=YES HTTP_REFERER=YES HTTP_REWRITE=YES HTTP_PROXY=YES HTTP_FASTCGI=YES HTTP_UWSGI=YES HTTP_SCGI=YES HTTP_PERL=NO HTTP_MEMCACHED=YES HTTP_LIMIT_CONN=YES HTTP_LIMIT_REQ=YES HTTP_EMPTY_GIF=YES HTTP_BROWSER=YES HTTP_SECURE_LINK=NO HTTP_DEGRADATION=NO HTTP_FLV=NO HTTP_MP4=NO HTTP_GUNZIP=NO HTTP_GZIP_STATIC=NO HTTP_UPSTREAM_IP_HASH=YES HTTP_UPSTREAM_LEAST_CONN=YES HTTP_UPSTREAM_KEEPALIVE=YES # STUB HTTP_STUB_STATUS=NO MAIL=NO MAIL_SSL=NO MAIL_POP3=YES MAIL_IMAP=YES MAIL_SMTP=YES NGX_ADDONS= USE_PCRE=NO PCRE=NONE PCRE_OPT= PCRE_CONF_OPT= PCRE_JIT=NO USE_OPENSSL=NO OPENSSL=NONE USE_MD5=NO MD5=NONE MD5_OPT= MD5_ASM=NO USE_SHA1=NO SHA1=NONE SHA1_OPT= SHA1_ASM=NO USE_ZLIB=NO ZLIB=NONE ZLIB_OPT= ZLIB_ASM=NO USE_PERL=NO NGX_PERL=perl USE_LIBXSLT=NO USE_LIBGD=NO NGX_GOOGLE_PERFTOOLS=NO NGX_CPP_TEST=NO NGX_LIBATOMIC=NO NGX_CPU_CACHE_LINE= NGX_POST_CONF_MSG= opt= for option do opt="$opt `echo $option | sed -e \"s/\(--[^=]*=\)\(.* .*\)/\1'\2'/\"`" case "$option" in -*=*) value=`echo "$option" | sed -e 's/[-_a-zA-Z0-9]*=//'` ;; *) value="" ;; esac case "$option" in --help) help=yes ;; --prefix=) NGX_PREFIX="!" ;; --prefix=*) NGX_PREFIX="$value" ;; --sbin-path=*) NGX_SBIN_PATH="$value" ;; --conf-path=*) NGX_CONF_PATH="$value" ;; --error-log-path=*) NGX_ERROR_LOG_PATH="$value";; --pid-path=*) NGX_PID_PATH="$value" ;; --lock-path=*) NGX_LOCK_PATH="$value" ;; --user=*) NGX_USER="$value" ;; --group=*) NGX_GROUP="$value" ;; --crossbuild=*) NGX_PLATFORM="$value" ;; --builddir=*) NGX_OBJS="$value" ;; --with-rtsig_module) EVENT_RTSIG=YES ;; --with-select_module) EVENT_SELECT=YES ;; --without-select_module) EVENT_SELECT=NONE ;; --with-poll_module) EVENT_POLL=YES ;; --without-poll_module) EVENT_POLL=NONE ;; --with-aio_module) EVENT_AIO=YES ;; #--with-threads=*) USE_THREADS="$value" ;; #--with-threads) USE_THREADS="pthreads" ;; --with-file-aio) NGX_FILE_AIO=YES ;; --with-ipv6) NGX_IPV6=YES ;; --without-http) HTTP=NO ;; --without-http-cache) HTTP_CACHE=NO ;; --http-log-path=*) NGX_HTTP_LOG_PATH="$value" ;; --http-client-body-temp-path=*) NGX_HTTP_CLIENT_TEMP_PATH="$value" ;; --http-proxy-temp-path=*) NGX_HTTP_PROXY_TEMP_PATH="$value" ;; --http-fastcgi-temp-path=*) NGX_HTTP_FASTCGI_TEMP_PATH="$value" ;; --http-uwsgi-temp-path=*) NGX_HTTP_UWSGI_TEMP_PATH="$value" ;; --http-scgi-temp-path=*) NGX_HTTP_SCGI_TEMP_PATH="$value" ;; --with-http_ssl_module) HTTP_SSL=YES ;; --with-http_spdy_module) HTTP_SPDY=YES ;; --with-http_realip_module) HTTP_REALIP=YES ;; --with-http_addition_module) HTTP_ADDITION=YES ;; --with-http_xslt_module) HTTP_XSLT=YES ;; --with-http_image_filter_module) HTTP_IMAGE_FILTER=YES ;; --with-http_geoip_module) HTTP_GEOIP=YES ;; --with-http_sub_module) HTTP_SUB=YES ;; --with-http_dav_module) HTTP_DAV=YES ;; --with-http_flv_module) HTTP_FLV=YES ;; --with-http_mp4_module) HTTP_MP4=YES ;; --with-http_gunzip_module) HTTP_GUNZIP=YES ;; --with-http_gzip_static_module) HTTP_GZIP_STATIC=YES ;; --with-http_random_index_module) HTTP_RANDOM_INDEX=YES ;; --with-http_secure_link_module) HTTP_SECURE_LINK=YES ;; --with-http_degradation_module) HTTP_DEGRADATION=YES ;; --without-http_charset_module) HTTP_CHARSET=NO ;; --without-http_gzip_module) HTTP_GZIP=NO ;; --without-http_ssi_module) HTTP_SSI=NO ;; --without-http_userid_module) HTTP_USERID=NO ;; --without-http_access_module) HTTP_ACCESS=NO ;; --without-http_auth_basic_module) HTTP_AUTH_BASIC=NO ;; --without-http_autoindex_module) HTTP_AUTOINDEX=NO ;; --without-http_status_module) HTTP_STATUS=NO ;; --without-http_geo_module) HTTP_GEO=NO ;; --without-http_map_module) HTTP_MAP=NO ;; --without-http_split_clients_module) HTTP_SPLIT_CLIENTS=NO ;; --without-http_referer_module) HTTP_REFERER=NO ;; --without-http_rewrite_module) HTTP_REWRITE=NO ;; --without-http_proxy_module) HTTP_PROXY=NO ;; --without-http_fastcgi_module) HTTP_FASTCGI=NO ;; --without-http_uwsgi_module) HTTP_UWSGI=NO ;; --without-http_scgi_module) HTTP_SCGI=NO ;; --without-http_memcached_module) HTTP_MEMCACHED=NO ;; --without-http_limit_zone_module) HTTP_LIMIT_CONN=NO NGX_POST_CONF_MSG="$NGX_POST_CONF_MSG $0: warning: the \"--without-http_limit_zone_module\" option is deprecated, \ use the \"--without-http_limit_conn_module\" option instead" ;; --without-http_limit_conn_module) HTTP_LIMIT_CONN=NO ;; --without-http_limit_req_module) HTTP_LIMIT_REQ=NO ;; --without-http_empty_gif_module) HTTP_EMPTY_GIF=NO ;; --without-http_browser_module) HTTP_BROWSER=NO ;; --without-http_upstream_ip_hash_module) HTTP_UPSTREAM_IP_HASH=NO ;; --without-http_upstream_least_conn_module) HTTP_UPSTREAM_LEAST_CONN=NO ;; --without-http_upstream_keepalive_module) HTTP_UPSTREAM_KEEPALIVE=NO ;; --with-http_perl_module) HTTP_PERL=YES ;; --with-perl_modules_path=*) NGX_PERL_MODULES="$value" ;; --with-perl=*) NGX_PERL="$value" ;; # STUB --with-http_stub_status_module) HTTP_STUB_STATUS=YES ;; --with-mail) MAIL=YES ;; --with-mail_ssl_module) MAIL_SSL=YES ;; # STUB --with-imap) MAIL=YES ;; --with-imap_ssl_module) MAIL_SSL=YES ;; --without-mail_pop3_module) MAIL_POP3=NO ;; --without-mail_imap_module) MAIL_IMAP=NO ;; --without-mail_smtp_module) MAIL_SMTP=NO ;; --with-google_perftools_module) NGX_GOOGLE_PERFTOOLS=YES ;; --with-cpp_test_module) NGX_CPP_TEST=YES ;; --add-module=*) NGX_ADDONS="$NGX_ADDONS $value" ;; --with-cc=*) CC="$value" ;; --with-cpp=*) CPP="$value" ;; --with-cc-opt=*) NGX_CC_OPT="$value" ;; --with-ld-opt=*) NGX_LD_OPT="$value" ;; --with-cpu-opt=*) CPU="$value" ;; --with-debug) NGX_DEBUG=YES ;; --without-pcre) USE_PCRE=DISABLED ;; --with-pcre) USE_PCRE=YES ;; --with-pcre=*) PCRE="$value" ;; --with-pcre-opt=*) PCRE_OPT="$value" ;; --with-pcre-jit) PCRE_JIT=YES ;; --with-openssl=*) OPENSSL="$value" ;; --with-openssl-opt=*) OPENSSL_OPT="$value" ;; --with-md5=*) MD5="$value" ;; --with-md5-opt=*) MD5_OPT="$value" ;; --with-md5-asm) MD5_ASM=YES ;; --with-sha1=*) SHA1="$value" ;; --with-sha1-opt=*) SHA1_OPT="$value" ;; --with-sha1-asm) SHA1_ASM=YES ;; --with-zlib=*) ZLIB="$value" ;; --with-zlib-opt=*) ZLIB_OPT="$value" ;; --with-zlib-asm=*) ZLIB_ASM="$value" ;; --with-libatomic) NGX_LIBATOMIC=YES ;; --with-libatomic=*) NGX_LIBATOMIC="$value" ;; --test-build-devpoll) NGX_TEST_BUILD_DEVPOLL=YES ;; --test-build-eventport) NGX_TEST_BUILD_EVENTPORT=YES ;; --test-build-epoll) NGX_TEST_BUILD_EPOLL=YES ;; --test-build-rtsig) NGX_TEST_BUILD_RTSIG=YES ;; --test-build-solaris-sendfilev) NGX_TEST_BUILD_SOLARIS_SENDFILEV=YES ;; *) echo "$0: error: invalid option \"$option\"" exit 1 ;; esac done NGX_CONFIGURE="$opt" if [ $help = yes ]; then cat << END --help print this message --prefix=PATH set installation prefix --sbin-path=PATH set nginx binary pathname --conf-path=PATH set nginx.conf pathname --error-log-path=PATH set error log pathname --pid-path=PATH set nginx.pid pathname --lock-path=PATH set nginx.lock pathname --user=USER set non-privileged user for worker processes --group=GROUP set non-privileged group for worker processes --builddir=DIR set build directory --with-rtsig_module enable rtsig module --with-select_module enable select module --without-select_module disable select module --with-poll_module enable poll module --without-poll_module disable poll module --with-file-aio enable file AIO support --with-ipv6 enable IPv6 support --with-http_ssl_module enable ngx_http_ssl_module --with-http_spdy_module enable ngx_http_spdy_module --with-http_realip_module enable ngx_http_realip_module --with-http_addition_module enable ngx_http_addition_module --with-http_xslt_module enable ngx_http_xslt_module --with-http_image_filter_module enable ngx_http_image_filter_module --with-http_geoip_module enable ngx_http_geoip_module --with-http_sub_module enable ngx_http_sub_module --with-http_dav_module enable ngx_http_dav_module --with-http_flv_module enable ngx_http_flv_module --with-http_mp4_module enable ngx_http_mp4_module --with-http_gunzip_module enable ngx_http_gunzip_module --with-http_gzip_static_module enable ngx_http_gzip_static_module --with-http_random_index_module enable ngx_http_random_index_module --with-http_secure_link_module enable ngx_http_secure_link_module --with-http_degradation_module enable ngx_http_degradation_module --with-http_stub_status_module enable ngx_http_stub_status_module --without-http_charset_module disable ngx_http_charset_module --without-http_gzip_module disable ngx_http_gzip_module --without-http_ssi_module disable ngx_http_ssi_module --without-http_userid_module disable ngx_http_userid_module --without-http_access_module disable ngx_http_access_module --without-http_auth_basic_module disable ngx_http_auth_basic_module --without-http_autoindex_module disable ngx_http_autoindex_module --without-http_geo_module disable ngx_http_geo_module --without-http_map_module disable ngx_http_map_module --without-http_split_clients_module disable ngx_http_split_clients_module --without-http_referer_module disable ngx_http_referer_module --without-http_rewrite_module disable ngx_http_rewrite_module --without-http_proxy_module disable ngx_http_proxy_module --without-http_fastcgi_module disable ngx_http_fastcgi_module --without-http_uwsgi_module disable ngx_http_uwsgi_module --without-http_scgi_module disable ngx_http_scgi_module --without-http_memcached_module disable ngx_http_memcached_module --without-http_limit_conn_module disable ngx_http_limit_conn_module --without-http_limit_req_module disable ngx_http_limit_req_module --without-http_empty_gif_module disable ngx_http_empty_gif_module --without-http_browser_module disable ngx_http_browser_module --without-http_upstream_ip_hash_module disable ngx_http_upstream_ip_hash_module --without-http_upstream_least_conn_module disable ngx_http_upstream_least_conn_module --without-http_upstream_keepalive_module disable ngx_http_upstream_keepalive_module --with-http_perl_module enable ngx_http_perl_module --with-perl_modules_path=PATH set Perl modules path --with-perl=PATH set perl binary pathname --http-log-path=PATH set http access log pathname --http-client-body-temp-path=PATH set path to store http client request body temporary files --http-proxy-temp-path=PATH set path to store http proxy temporary files --http-fastcgi-temp-path=PATH set path to store http fastcgi temporary files --http-uwsgi-temp-path=PATH set path to store http uwsgi temporary files --http-scgi-temp-path=PATH set path to store http scgi temporary files --without-http disable HTTP server --without-http-cache disable HTTP cache --with-mail enable POP3/IMAP4/SMTP proxy module --with-mail_ssl_module enable ngx_mail_ssl_module --without-mail_pop3_module disable ngx_mail_pop3_module --without-mail_imap_module disable ngx_mail_imap_module --without-mail_smtp_module disable ngx_mail_smtp_module --with-google_perftools_module enable ngx_google_perftools_module --with-cpp_test_module enable ngx_cpp_test_module --add-module=PATH enable an external module --with-cc=PATH set C compiler pathname --with-cpp=PATH set C preprocessor pathname --with-cc-opt=OPTIONS set additional C compiler options --with-ld-opt=OPTIONS set additional linker options --with-cpu-opt=CPU build for the specified CPU, valid values: pentium, pentiumpro, pentium3, pentium4, athlon, opteron, sparc32, sparc64, ppc64 --without-pcre disable PCRE library usage --with-pcre force PCRE library usage --with-pcre=DIR set path to PCRE library sources --with-pcre-opt=OPTIONS set additional build options for PCRE --with-pcre-jit build PCRE with JIT compilation support --with-md5=DIR set path to md5 library sources --with-md5-opt=OPTIONS set additional build options for md5 --with-md5-asm use md5 assembler sources --with-sha1=DIR set path to sha1 library sources --with-sha1-opt=OPTIONS set additional build options for sha1 --with-sha1-asm use sha1 assembler sources --with-zlib=DIR set path to zlib library sources --with-zlib-opt=OPTIONS set additional build options for zlib --with-zlib-asm=CPU use zlib assembler sources optimized for the specified CPU, valid values: pentium, pentiumpro --with-libatomic force libatomic_ops library usage --with-libatomic=DIR set path to libatomic_ops library sources --with-openssl=DIR set path to OpenSSL library sources --with-openssl-opt=OPTIONS set additional build options for OpenSSL --with-debug enable debug logging END exit 1 fi if [ $HTTP = NO ]; then HTTP_CHARSET=NO HTTP_GZIP=NO HTTP_SSI=NO HTTP_USERID=NO HTTP_ACCESS=NO HTTP_STATUS=NO HTTP_REWRITE=NO HTTP_PROXY=NO HTTP_FASTCGI=NO fi if [ ".$NGX_PLATFORM" = ".win32" ]; then NGX_WINE=$WINE fi NGX_CONF_PATH=${NGX_CONF_PATH:-conf/nginx.conf} NGX_CONF_PREFIX=`dirname $NGX_CONF_PATH` NGX_PID_PATH=${NGX_PID_PATH:-logs/nginx.pid} NGX_LOCK_PATH=${NGX_LOCK_PATH:-logs/nginx.lock} if [ ".$NGX_ERROR_LOG_PATH" = ".stderr" ]; then NGX_ERROR_LOG_PATH= else NGX_ERROR_LOG_PATH=${NGX_ERROR_LOG_PATH:-logs/error.log} fi NGX_HTTP_LOG_PATH=${NGX_HTTP_LOG_PATH:-logs/access.log} NGX_HTTP_CLIENT_TEMP_PATH=${NGX_HTTP_CLIENT_TEMP_PATH:-client_body_temp} NGX_HTTP_PROXY_TEMP_PATH=${NGX_HTTP_PROXY_TEMP_PATH:-proxy_temp} NGX_HTTP_FASTCGI_TEMP_PATH=${NGX_HTTP_FASTCGI_TEMP_PATH:-fastcgi_temp} NGX_HTTP_UWSGI_TEMP_PATH=${NGX_HTTP_UWSGI_TEMP_PATH:-uwsgi_temp} NGX_HTTP_SCGI_TEMP_PATH=${NGX_HTTP_SCGI_TEMP_PATH:-scgi_temp} case ".$NGX_PERL_MODULES" in ./*) ;; .) ;; *) NGX_PERL_MODULES=$NGX_PREFIX/$NGX_PERL_MODULES ;; esac