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annotate src/event/ngx_event_posted.h @ 5386:2d947c2e3ea1

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Core: fix misallocation at ngx_crypt_apr1 (ticket #412). Found by using auth_basic.t from mdounin nginx-tests under valgrind. ==10470== Invalid write of size 1 ==10470== at 0x43603D: ngx_crypt_to64 (ngx_crypt.c:168) ==10470== by 0x43648E: ngx_crypt (ngx_crypt.c:153) ==10470== by 0x489D8B: ngx_http_auth_basic_crypt_handler (ngx_http_auth_basic_module.c:297) ==10470== by 0x48A24A: ngx_http_auth_basic_handler (ngx_http_auth_basic_module.c:240) ==10470== by 0x44EAB9: ngx_http_core_access_phase (ngx_http_core_module.c:1121) ==10470== by 0x44A822: ngx_http_core_run_phases (ngx_http_core_module.c:895) ==10470== by 0x44A932: ngx_http_handler (ngx_http_core_module.c:878) ==10470== by 0x455EEF: ngx_http_process_request (ngx_http_request.c:1852) ==10470== by 0x456527: ngx_http_process_request_headers (ngx_http_request.c:1283) ==10470== by 0x456A91: ngx_http_process_request_line (ngx_http_request.c:964) ==10470== by 0x457097: ngx_http_wait_request_handler (ngx_http_request.c:486) ==10470== by 0x4411EE: ngx_epoll_process_events (ngx_epoll_module.c:691) ==10470== Address 0x5866fab is 0 bytes after a block of size 27 alloc'd ==10470== at 0x4A074CD: malloc (vg_replace_malloc.c:236) ==10470== by 0x43B251: ngx_alloc (ngx_alloc.c:22) ==10470== by 0x421B0D: ngx_malloc (ngx_palloc.c:119) ==10470== by 0x421B65: ngx_pnalloc (ngx_palloc.c:147) ==10470== by 0x436368: ngx_crypt (ngx_crypt.c:140) ==10470== by 0x489D8B: ngx_http_auth_basic_crypt_handler (ngx_http_auth_basic_module.c:297) ==10470== by 0x48A24A: ngx_http_auth_basic_handler (ngx_http_auth_basic_module.c:240) ==10470== by 0x44EAB9: ngx_http_core_access_phase (ngx_http_core_module.c:1121) ==10470== by 0x44A822: ngx_http_core_run_phases (ngx_http_core_module.c:895) ==10470== by 0x44A932: ngx_http_handler (ngx_http_core_module.c:878) ==10470== by 0x455EEF: ngx_http_process_request (ngx_http_request.c:1852) ==10470== by 0x456527: ngx_http_process_request_headers (ngx_http_request.c:1283) ==10470==
author Markus Linnala <Markus.Linnala@cybercom.com>
date Fri, 20 Sep 2013 17:57:21 +0300
parents d620f497c50f
children 3377f9459e99
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
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3 * Copyright (C) Igor Sysoev
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d620f497c50f Copyright updated.
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4 * Copyright (C) Nginx, Inc.
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5 */
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8 #ifndef _NGX_EVENT_POSTED_H_INCLUDED_
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9 #define _NGX_EVENT_POSTED_H_INCLUDED_
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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14 #include <ngx_event.h>
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17 #if (NGX_THREADS)
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18 extern ngx_mutex_t *ngx_posted_events_mutex;
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19 #endif
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22 #define ngx_locked_post_event(ev, queue) \
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23 \
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24 if (ev->prev == NULL) { \
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25 ev->next = (ngx_event_t *) *queue; \
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26 ev->prev = (ngx_event_t **) queue; \
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27 *queue = ev; \
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28 \
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29 if (ev->next) { \
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30 ev->next->prev = &ev->next; \
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31 } \
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32 \
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33 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, "post event %p", ev); \
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34 \
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35 } else { \
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36 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, \
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37 "update posted event %p", ev); \
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38 }
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41 #define ngx_post_event(ev, queue) \
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42 \
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43 ngx_mutex_lock(ngx_posted_events_mutex); \
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44 ngx_locked_post_event(ev, queue); \
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45 ngx_mutex_unlock(ngx_posted_events_mutex);
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48 #define ngx_delete_posted_event(ev) \
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49 \
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50 *(ev->prev) = ev->next; \
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51 \
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52 if (ev->next) { \
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53 ev->next->prev = ev->prev; \
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54 } \
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55 \
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56 ev->prev = NULL; \
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57 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, \
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58 "delete posted event %p", ev);
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62 void ngx_event_process_posted(ngx_cycle_t *cycle,
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63 ngx_thread_volatile ngx_event_t **posted);
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64 void ngx_wakeup_worker_thread(ngx_cycle_t *cycle);
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65
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66 #if (NGX_THREADS)
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67 ngx_int_t ngx_event_thread_process_posted(ngx_cycle_t *cycle);
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68 #endif
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71 extern ngx_thread_volatile ngx_event_t *ngx_posted_accept_events;
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72 extern ngx_thread_volatile ngx_event_t *ngx_posted_events;
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75 #endif /* _NGX_EVENT_POSTED_H_INCLUDED_ */