Mercurial > hg > nginx
view auto/sources @ 7401:a7ff19afbb14
Negative size buffers detection.
In the past, there were several security issues which resulted in
worker process memory disclosure due to buffers with negative size.
It looks reasonable to check for such buffers in various places,
much like we already check for zero size buffers.
While here, removed "#if 1 / #endif" around zero size buffer checks.
It looks highly unlikely that we'll disable these checks anytime soon.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Mon, 26 Nov 2018 18:29:56 +0300 |
parents | 88a624c9b491 |
children | 4089b3d2cb59 |
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# Copyright (C) Igor Sysoev # Copyright (C) Nginx, Inc. CORE_MODULES="ngx_core_module ngx_errlog_module ngx_conf_module" CORE_INCS="src/core" CORE_DEPS="src/core/nginx.h \ src/core/ngx_config.h \ src/core/ngx_core.h \ src/core/ngx_log.h \ src/core/ngx_palloc.h \ src/core/ngx_array.h \ src/core/ngx_list.h \ src/core/ngx_hash.h \ src/core/ngx_buf.h \ src/core/ngx_queue.h \ src/core/ngx_string.h \ src/core/ngx_parse.h \ src/core/ngx_parse_time.h \ src/core/ngx_inet.h \ src/core/ngx_file.h \ src/core/ngx_crc.h \ src/core/ngx_crc32.h \ src/core/ngx_murmurhash.h \ src/core/ngx_md5.h \ src/core/ngx_sha1.h \ src/core/ngx_rbtree.h \ src/core/ngx_radix_tree.h \ src/core/ngx_rwlock.h \ src/core/ngx_slab.h \ src/core/ngx_times.h \ src/core/ngx_shmtx.h \ src/core/ngx_connection.h \ src/core/ngx_cycle.h \ src/core/ngx_conf_file.h \ src/core/ngx_module.h \ src/core/ngx_resolver.h \ src/core/ngx_open_file_cache.h \ src/core/ngx_crypt.h \ src/core/ngx_proxy_protocol.h \ src/core/ngx_syslog.h" CORE_SRCS="src/core/nginx.c \ src/core/ngx_log.c \ src/core/ngx_palloc.c \ src/core/ngx_array.c \ src/core/ngx_list.c \ src/core/ngx_hash.c \ src/core/ngx_buf.c \ src/core/ngx_queue.c \ src/core/ngx_output_chain.c \ src/core/ngx_string.c \ src/core/ngx_parse.c \ src/core/ngx_parse_time.c \ src/core/ngx_inet.c \ src/core/ngx_file.c \ src/core/ngx_crc32.c \ src/core/ngx_murmurhash.c \ src/core/ngx_md5.c \ src/core/ngx_sha1.c \ src/core/ngx_rbtree.c \ src/core/ngx_radix_tree.c \ src/core/ngx_slab.c \ src/core/ngx_times.c \ src/core/ngx_shmtx.c \ src/core/ngx_connection.c \ src/core/ngx_cycle.c \ src/core/ngx_spinlock.c \ src/core/ngx_rwlock.c \ src/core/ngx_cpuinfo.c \ src/core/ngx_conf_file.c \ src/core/ngx_module.c \ src/core/ngx_resolver.c \ src/core/ngx_open_file_cache.c \ src/core/ngx_crypt.c \ src/core/ngx_proxy_protocol.c \ src/core/ngx_syslog.c" EVENT_MODULES="ngx_events_module ngx_event_core_module" EVENT_INCS="src/event src/event/modules" EVENT_DEPS="src/event/ngx_event.h \ src/event/ngx_event_timer.h \ src/event/ngx_event_posted.h \ src/event/ngx_event_connect.h \ src/event/ngx_event_pipe.h" EVENT_SRCS="src/event/ngx_event.c \ src/event/ngx_event_timer.c \ src/event/ngx_event_posted.c \ src/event/ngx_event_accept.c \ src/event/ngx_event_udp.c \ src/event/ngx_event_connect.c \ src/event/ngx_event_pipe.c" SELECT_MODULE=ngx_select_module SELECT_SRCS=src/event/modules/ngx_select_module.c WIN32_SELECT_SRCS=src/event/modules/ngx_win32_select_module.c POLL_MODULE=ngx_poll_module POLL_SRCS=src/event/modules/ngx_poll_module.c KQUEUE_MODULE=ngx_kqueue_module KQUEUE_SRCS=src/event/modules/ngx_kqueue_module.c DEVPOLL_MODULE=ngx_devpoll_module DEVPOLL_SRCS=src/event/modules/ngx_devpoll_module.c EVENTPORT_MODULE=ngx_eventport_module EVENTPORT_SRCS=src/event/modules/ngx_eventport_module.c EPOLL_MODULE=ngx_epoll_module EPOLL_SRCS=src/event/modules/ngx_epoll_module.c IOCP_MODULE=ngx_iocp_module IOCP_SRCS=src/event/modules/ngx_iocp_module.c FILE_AIO_SRCS="src/os/unix/ngx_file_aio_read.c" LINUX_AIO_SRCS="src/os/unix/ngx_linux_aio_read.c" UNIX_INCS="$CORE_INCS $EVENT_INCS src/os/unix" UNIX_DEPS="$CORE_DEPS $EVENT_DEPS \ src/os/unix/ngx_time.h \ src/os/unix/ngx_errno.h \ src/os/unix/ngx_alloc.h \ src/os/unix/ngx_files.h \ src/os/unix/ngx_channel.h \ src/os/unix/ngx_shmem.h \ src/os/unix/ngx_process.h \ src/os/unix/ngx_setaffinity.h \ src/os/unix/ngx_setproctitle.h \ src/os/unix/ngx_atomic.h \ src/os/unix/ngx_gcc_atomic_x86.h \ src/os/unix/ngx_thread.h \ src/os/unix/ngx_socket.h \ src/os/unix/ngx_os.h \ src/os/unix/ngx_user.h \ src/os/unix/ngx_dlopen.h \ src/os/unix/ngx_process_cycle.h" # add to UNIX_DEPS # src/os/unix/ngx_gcc_atomic_amd64.h \ # src/os/unix/ngx_gcc_atomic_sparc64.h \ # src/os/unix/ngx_gcc_atomic_ppc.h \ # src/os/unix/ngx_sunpro_atomic_sparc64.h \ # src/os/unix/ngx_sunpro_x86.il \ # src/os/unix/ngx_sunpro_amd64.il \ # src/os/unix/ngx_sunpro_sparc64.il \ UNIX_SRCS="$CORE_SRCS $EVENT_SRCS \ src/os/unix/ngx_time.c \ src/os/unix/ngx_errno.c \ src/os/unix/ngx_alloc.c \ src/os/unix/ngx_files.c \ src/os/unix/ngx_socket.c \ src/os/unix/ngx_recv.c \ src/os/unix/ngx_readv_chain.c \ src/os/unix/ngx_udp_recv.c \ src/os/unix/ngx_send.c \ src/os/unix/ngx_writev_chain.c \ src/os/unix/ngx_udp_send.c \ src/os/unix/ngx_udp_sendmsg_chain.c \ src/os/unix/ngx_channel.c \ src/os/unix/ngx_shmem.c \ src/os/unix/ngx_process.c \ src/os/unix/ngx_daemon.c \ src/os/unix/ngx_setaffinity.c \ src/os/unix/ngx_setproctitle.c \ src/os/unix/ngx_posix_init.c \ src/os/unix/ngx_user.c \ src/os/unix/ngx_dlopen.c \ src/os/unix/ngx_process_cycle.c" POSIX_DEPS=src/os/unix/ngx_posix_config.h THREAD_POOL_MODULE=ngx_thread_pool_module THREAD_POOL_DEPS=src/core/ngx_thread_pool.h THREAD_POOL_SRCS="src/core/ngx_thread_pool.c src/os/unix/ngx_thread_cond.c src/os/unix/ngx_thread_mutex.c src/os/unix/ngx_thread_id.c" FREEBSD_DEPS="src/os/unix/ngx_freebsd_config.h src/os/unix/ngx_freebsd.h" FREEBSD_SRCS=src/os/unix/ngx_freebsd_init.c FREEBSD_SENDFILE_SRCS=src/os/unix/ngx_freebsd_sendfile_chain.c LINUX_DEPS="src/os/unix/ngx_linux_config.h src/os/unix/ngx_linux.h" LINUX_SRCS=src/os/unix/ngx_linux_init.c LINUX_SENDFILE_SRCS=src/os/unix/ngx_linux_sendfile_chain.c SOLARIS_DEPS="src/os/unix/ngx_solaris_config.h src/os/unix/ngx_solaris.h" SOLARIS_SRCS=src/os/unix/ngx_solaris_init.c SOLARIS_SENDFILEV_SRCS=src/os/unix/ngx_solaris_sendfilev_chain.c DARWIN_DEPS="src/os/unix/ngx_darwin_config.h src/os/unix/ngx_darwin.h" DARWIN_SRCS=src/os/unix/ngx_darwin_init.c DARWIN_SENDFILE_SRCS=src/os/unix/ngx_darwin_sendfile_chain.c WIN32_INCS="$CORE_INCS $EVENT_INCS src/os/win32" WIN32_DEPS="$CORE_DEPS $EVENT_DEPS \ src/os/win32/ngx_win32_config.h \ src/os/win32/ngx_time.h \ src/os/win32/ngx_errno.h \ src/os/win32/ngx_alloc.h \ src/os/win32/ngx_files.h \ src/os/win32/ngx_shmem.h \ src/os/win32/ngx_process.h \ src/os/win32/ngx_atomic.h \ src/os/win32/ngx_thread.h \ src/os/win32/ngx_socket.h \ src/os/win32/ngx_os.h \ src/os/win32/ngx_user.h \ src/os/win32/ngx_dlopen.h \ src/os/win32/ngx_process_cycle.h" WIN32_CONFIG=src/os/win32/ngx_win32_config.h WIN32_SRCS="$CORE_SRCS $EVENT_SRCS \ src/os/win32/ngx_errno.c \ src/os/win32/ngx_alloc.c \ src/os/win32/ngx_files.c \ src/os/win32/ngx_shmem.c \ src/os/win32/ngx_time.c \ src/os/win32/ngx_process.c \ src/os/win32/ngx_thread.c \ src/os/win32/ngx_socket.c \ src/os/win32/ngx_wsarecv.c \ src/os/win32/ngx_wsarecv_chain.c \ src/os/win32/ngx_udp_wsarecv.c \ src/os/win32/ngx_wsasend.c \ src/os/win32/ngx_wsasend_chain.c \ src/os/win32/ngx_win32_init.c \ src/os/win32/ngx_user.c \ src/os/win32/ngx_dlopen.c \ src/os/win32/ngx_event_log.c \ src/os/win32/ngx_process_cycle.c \ src/event/ngx_event_acceptex.c" NGX_WIN32_ICONS="src/os/win32/nginx.ico" NGX_WIN32_RC="src/os/win32/nginx.rc" HTTP_FILE_CACHE_SRCS=src/http/ngx_http_file_cache.c