> On July 5, 2017 at 6:38 PM Anton Yuzhaninov <cit...@citrin.ru> wrote: > > > Hello, > > I use mbox compressed by gzip as read-only folder (using zlib plugin). > > I have errors in logs: > Panic: file istream-zlib.c: line 416 (i_stream_zlib_seek): assertion > failed: (ret == -1) > and can't read messages in MUA. > > IMAP commands to reproduce a bug: > > 1 SELECT "compressed.gz" > 2 UID fetch 2 BODY.PEEK[] > # sleep 5 > 3 UID fetch 2 BODY.PEEK[] > # repeat sleep/fetch until assert (a few fetches need to trigger bug, > probably because of caching) > > The bug appeared in 2.2.26 and still can be reproduced (in 2.2.31) > > Using 'git bisect' was not productive (a lot of build errors), but I've > found that reverting this commit: > https://github.com/dovecot/core/commit/6a1110d8757bb72fd90f4fe0857fd3aeaf8920ff > > "fixes" problem for me, so I suppose the bug was introduced in this commit. > > -- > Best Regards, > Anton Yuzhaninov
If you only revert the bit here - } while (i_stream_read(&stream->istream) > 0); + } while ((ret = i_stream_read(&stream->istream)) > 0); in src/lib-compression/istream-zlib.c does it still fix the issue? Aki
