[dovecot/core] c19fcb: imap: Fix assert-crash when client is disconnected...

[GitHub]

  Branch: refs/heads/master-2.3
  Home:   https://github.com/dovecot/core
  Commit: c19fcb889131f07989ac0e23ada4cde8ef652ab7
      https://github.com/dovecot/core/commit/c19fcb889131f07989ac0e23ada4cde8ef652ab7
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2018-08-14 (Tue, 14 Aug 2018)

  Changed paths:
    M src/imap/cmd-copy.c

  Log Message:
  -----------
  imap: Fix assert-crash when client is disconnected during a long COPY/MOVE

Similar fix than 481992bfe2740bdec70fcd7366dea50ed9128966

Fixes:
Panic: file cmd-copy.c: line 50 (fetch_and_copy): assertion failed: (o_stream_is_corked(client->output))



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