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Description of problem:
The libcryptsetup-rs library's external API allows
clients to invoke the CryptContextHandle::format() and some other
methods while passing a parameter in a way that could result in
undefined behavior. This undefined behavior was first made evident by
the Rust 1.70 toolchain and has only been observed when
libcryptsetup-rs is compiled with the Rust 1.70 toolchain. Since
stratisd invokes the forrmat() method in a way that allows this
undefined behavior ,all stratisd invocations of the format() method
may fail with an EINVAL, so that stratisd is unable to format
encrypted devices and consequently unable to create encrypted pools.
Version-Release number of selected component (if applicable):
stratisd-3.5.5-1.el9
How reproducible:
Likely 100%
Steps to Reproduce:
1. Build stratisd with Rust 1.70. The current released version of
stratisd will not demonstrate the error because that release was
packaged using a prior Rust version.
2. Create an encrypted pool using stratis-cli
3. The pool is not created; an error is returned.
Actual results:
The pool is not created and an error is returned.
Expected results:
The pool is created without an error.
Additional info:
stratisd 3.5.7 fixes the problem by requiring libcryptsetup-rs 0.8.0
which removes the undefined behavior in the format() method.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (stratisd bug fix and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2023:6424