Public bug reported:
I'm running a web application serving rather big binary blobs from a
MariaDB table. After the unattended update (7.0.8-0ubuntu0.16.04.3 to
7.0.15-0ubuntu0.16.04.2), the application would routinely break while
trying to fetch a >16Mbyte row from the database server.
Requests resulting in a row under 16Mbyte are processed normally,
anything above it would return columns in the wrong order, and right
around 0xFFFFF2 a null-character (0x00) is inserted into the stream
(when the resulting file is compared to one served with the version used
previously)
Rolling back to 7.0.4-7ubuntu2 immediately fixed the issue. I'm pretty
sure the problem was introduced somewhere between 7.0.8 and 7.0.15, but
I cant find anything relevant in the changelog for those versions.
Please let me know what I can do to assist!
** Affects: php7.0 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1668017
Title:
Large mysql requests broken after security update, null character
inserted close to 16MB boundary
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