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Viewing changes to src/backend/commands/async.c

  • Committer: Package Import Robot
  • Author(s): Martin Pitt, CVE-2014-8161
  • Date: 2015-02-06 12:31:46 UTC
  • mfrom: (1.1.5) (7.1.2 utopic-proposed)
  • Revision ID: package-import@ubuntu.com-20150206123146-vtmf30jbkm7w16p8
Tags: 9.4.1-0ubuntu0.14.10
https://launchpad.net/bugs/1418928
* New upstream security/bug fix release (LP: #1418928)
  - Fix buffer overruns in to_char() [CVE-2015-0241]
  - Fix buffer overruns in contrib/pgcrypto [CVE-2015-0243]
  - Fix possible loss of frontend/backend protocol synchronization after an
    error [CVE-2015-0244]
  - Fix information leak via constraint-violation error messages
    [CVE-2014-8161]
  - See release notes for details about other fixes:
    http://www.postgresql.org/about/news/1569/

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src/backend/commands/async.c
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static bool IsListeningOn(const char *channel);
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static void asyncQueueUnregister(void);
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static bool asyncQueueIsFull(void);
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static bool asyncQueueAdvance(QueuePosition *position, int entryLength);
 
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static bool asyncQueueAdvance(volatile QueuePosition *position, int entryLength);
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static void asyncQueueNotificationToEntry(Notification *n, AsyncQueueEntry *qe);
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static ListCell *asyncQueueAddEntries(ListCell *nextNotify);
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static void asyncQueueFillWarning(void);
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static bool SignalBackends(void);
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static void asyncQueueReadAllNotifications(void);
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static bool asyncQueueProcessPageEntries(QueuePosition *current,
 
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static bool asyncQueueProcessPageEntries(volatile QueuePosition *current,
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                                                         QueuePosition stop,
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                                                         char *page_buffer);
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static void asyncQueueAdvanceTail(void);
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 * returns true, else false.
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 */
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static bool
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asyncQueueAdvance(QueuePosition *position, int entryLength)
 
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asyncQueueAdvance(volatile QueuePosition *position, int entryLength)
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{
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        int                     pageno = QUEUE_POS_PAGE(*position);
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        int                     offset = QUEUE_POS_OFFSET(*position);
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static void
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asyncQueueReadAllNotifications(void)
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{
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        QueuePosition pos;
 
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        volatile QueuePosition pos;
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        QueuePosition oldpos;
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        QueuePosition head;
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        bool            advanceTail;
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 * The QueuePosition *current is advanced past all processed messages.
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 */
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static bool
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asyncQueueProcessPageEntries(QueuePosition *current,
 
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asyncQueueProcessPageEntries(volatile QueuePosition *current,
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                                                         QueuePosition stop,
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                                                         char *page_buffer)
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{