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f954ea26a6
CodeQL pointed out that for extreme floating point values, `sprintf()` will overwrite a 32 character buffer. It cited 1e304 as an example, which causes `sprintf()` to print 308 characters. In practice, the numbers should never exceed 100, so this should not happen. To silence the warning and also handle unexpected situations, we change the code to use `snprintf()`. This was missed during my audit of our use of `sprintf()`, since I did not think to consider extreme floating point representations. It also really should not happen, so this change is purely defensive programming. This was found by CodeQL's cpp/overrunning-write-with-float check. Reviewed-by: Damian Szuberski <szuberskidamian@gmail.com> Reviewed-by: Alexander Motin <mav@FreeBSD.org> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Richard Yao <richard.yao@alumni.stonybrook.edu> Closes #14264 |
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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.