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c77d2d7415
Callers will check if it has been set to NULL before trying to access it, but never initialize it themselves. Whenever "one block spans two iovecs", `crypto_get_ptrs()` will return, without ever setting `*out_data_2 = NULL`. The caller will then do a NULL check against the uninitailized pointer and if it is not zero, pass it to `memcpy()`. The only reason this has not caused horrible runtime issues is because `memcpy()` should be told to copy zero bytes when this happens. That said, this is technically undefined behavior, so we should correct it so that future changes to the code cannot trigger it. Clang's static analyzer found this with the help of CodeChecker's CTU analysis. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Richard Yao <richard.yao@alumni.stonybrook.edu> Closes #14043 |
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OpenZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community. This repository contains the code for running OpenZFS on Linux and FreeBSD.
Official Resources
- Documentation - for using and developing this repo
- ZoL Site - Linux release info & links
- Mailing lists
- OpenZFS site - for conference videos and info on other platforms (illumos, OSX, Windows, etc)
Installation
Full documentation for installing OpenZFS on your favorite operating system can be found at the Getting Started Page.
Contribute & Develop
We have a separate document with contribution guidelines.
We have a Code of Conduct.
Release
OpenZFS is released under a CDDL license.
For more details see the NOTICE, LICENSE and COPYRIGHT files; UCRL-CODE-235197
Supported Kernels
- The
METAfile contains the officially recognized supported Linux kernel versions. - Supported FreeBSD versions are any supported branches and releases starting from 12.2-RELEASE.