Richard Yao d30db519af zdb: zdb_ddt_leak_init() reads uninitialized memory when birth == 0
This was written by Jeff Bonick and was committed to OpenSolaris on
November 1, 2009. It appears that Jeff meant to continue the outer loop
iteration when `ddp->ddp_phys_birth == 0`, but put his check inside the
inner loop. This causes a pointer to uninitialized memory to be passed
to ddt_lookup() inside a VERIFY() statement whenever that condition is
true.

Reported-by: Coverity (CID 1524462)
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.

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Official Resources

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 META file contains the officially recognized supported Linux kernel versions.
  • Supported FreeBSD versions are any supported branches and releases starting from 12.2-RELEASE.
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