nbdkit-release-notes-1.32(1) NBDKIT nbdkit-release-notes-1.32(1) NAME nbdkit-release-notes-1.32 - release notes for nbdkit 1.32 DESCRIPTION These are the release notes for nbdkit stable release 1.32. This describes the major changes since 1.30. nbdkit 1.32.0 was released on 1 August 2022. Security There were no security issues found. All past security issues and informa- tion about how to report new ones can be found in nbdkit-security(1). Plugins nbdkit-ssh-plugin(1) has new "create=(true|false)", "create-size" and "cre- ate-mode" parameters to allow remote files to be created. nbdkit-S3-plugin(1) was largely rewritten and should have better perfor- mance and compatibility. It also supports splitting/concatenating multiple S3 objects into one virtual disk. (Nikolaus Rath) Filters New nbdkit-luks-filter(1) allows you to open, read and write LUKSv1 disk images. It is compatible with qemu and dm-crypt. New nbdkit-scan-filter(1) which simply scans across the disk issuing prefetches. nbdkit-readahead-filter(1) has been completely rewritten so now it uses prefetching from a parallel thread. The old readahead filter was depre- cated, but if you are using it you should carefully read the new documenta- tion because it may require changes. nbdkit-stats-filter(1) now summarises block size and alignment of requests (Nikolaus Rath). nbdkit-blocksize-filter(1) now handles parallel writes without losing writes because of overlapping read-modify-write cycles. If you are using the blocksize filter it is recommended to upgrade. (Eric Blake) nbdkit-rate-filter(1) has a new "burstiness" parameter allowing the bucket capacity to be adjusted, which helps with smoothing out large, lumpy client requests. Language bindings Add "nbdkit.parse_size()" binding for Python (Nikolaus Rath). Compatibility with OCaml 4.14. Compatibility with Perl 5.36. Server Add macOS (Darwin) support. See the relevant section in the top level README.md file. kTLS should now work (transparently) when available in the kernel and GnuTLS. Use of kTLS will be indicated in debug output. (Daiki Ueno, Fran- tiA!ek KrenA3/4elok) Bug fixes nbdkit-sh-plugin(3) now handles inline scripts correctly on non-glibc plat- forms (Martin Kletzander). Catch the case where nbdkit ends up linked to OpenSSL (because of a tran- sient dependency through GnuTLS) which broke nbdkit-vddk-plugin(1). For more details see https://bugzilla.redhat.com/2057490. Fix memory leak in nbdkit-python-plugin(3) which would lead to large amounts of memory being leaked if your plugin implemented "list_exports" or "extents" callbacks (Eric Blake). The nbdkit-curl-plugin(1) cookie/header scripts feature now generates an error properly if the shell script fails. Fix further "phone home" messages in nbdkit-vddk-plugin(1) (thanks Ming Xie). Improve error message from nbdkit-vddk-plugin(1) when the thumbprint para- meter is wrong (Laszlo Ersek). Fix "NBDKIT_CACHE_EMULATE" and "NBDKIT_ZERO_EMULATE" in filters. These could cause assertion failures before. (Eric Blake) Fix nbdkit-protect-filter(1) test if dependencies are missing (thanks Jim Fehlig). Fix a bounds error in nbdkit-checkwrite-filter(1). The server will now fail and exit early if the --tls-verify-peer option is used on platforms which do not support it. Previously it would only fail when a client connected using TLS. Various bugs found by Coverity were analysed and fixed (Eric Blake). Documentation Document how to write plugins and filters in C++. This has always been possible, but was never documented before. Document how to run nbdkit from inetd or xinetd superservers. Fix how verbatim paragraphs in the documentation are rendered in HTML. Document how to use nbdkit + TLS with nbd-client(1). Tests Various enhancements to fuzzing including supporting AFL++, AFL++ clang-LTO. Add "./configure --disable-linker-script" which is needed to use ASAN, and document how to use ASAN when fuzzing. Improve runtime of linuxdisk test (Eric Blake). Add interoperability tests with nbd-client(1), the Linux kernel client, in- cluding TLS support. Build Add GitLab continuous integration (CI) at https://gitlab.com/nbdkit/nbd- kit/-/pipelines and many miscellaneous build fixes (Martin Kletzander). There are now "string_vector" and "const_string_vector" defined under com- mon/utils and used consistently throughout the code. Microsoft Visual Studio Code formatting settings are available (in .vs- code/) (Nikolaus Rath). Remove scripts/vddk-open.sh. It is now available as a separate project: https://gitlab.com/nbdkit/vddk-remote "ARRAY_SIZE" macro added to simplify static array sizing (thanks Laszlo Ersek). SEE ALSO nbdkit(1). AUTHORS Authors of nbdkit 1.32: Alan Somers Eric Blake Laszlo Ersek Martin Kletzander Nikolaus Rath Richard W.M. Jones COPYRIGHT Copyright Red Hat LICENSE Redistribution and use in source and binary forms, with or without modifi- cation, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright no- tice, this list of conditions and the following disclaimer in the docu- mentation and/or other materials provided with the distribution. * Neither the name of Red Hat nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND ANY EX- PRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DIS- CLAIMED. IN NO EVENT SHALL RED HAT OR CONTRIBUTORS BE LIABLE FOR ANY DI- RECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SER- VICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABIL- ITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAM- AGE. nbdkit-1.46.2 2026-08-30 nbdkit-release-notes-1.32(1)
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