Re: (ITS#8310) LMDB cursor_del followed by MDB_NEXT can trigger assert crash

[quanah@zimbra.com]

--On Friday, November 13, 2015 3:54 AM +0000 steven.lang@hgst.com wrote:

> Full_Name: Steven Lang
> Version: LMDB 0.9.16
> OS: Ubuntu 14.04
> URL: ftp://ftp.openldap.org/incoming/steven-lang-151112.tar.gz
> Submission from: (NULL) (50.76.49.9)
>
>
> This seems to be a variation on ITS#8258 - the base cause is the same; an
> mdb_cursor_del causes the tree to grow in depth, the cursor is not
> updated with the new depth, and the next cursor op on the cursor asserts.
>
> I have a DB and short C file which triggers the assert in a simple manner.

Hi Steve,

Just wanted to confirm you've verified this occurs with the 0.9.17 release 
candidate?

Thanks,
Quanah

--

Quanah Gibson-Mount
Platform Architect
Zimbra, Inc.
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