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99d6af6e8a
If cloning of buffers fail and we have to put the ones already grabbed, check for NULL buffers and skip those. They used to be dummy ubufs, but now they are just NULL and that should be checked before reaping them. Reported-by: chase xd <sl1589472800@gmail.com> Link: https://lore.kernel.org/io-uring/CADZouDQ7TcKn8gz8_efnyAEp1JvU1ktRk8PWz-tO0FXUoh8VGQ@mail.gmail.com/ Fixes: d50f94d761a5 ("io_uring/rsrc: get rid of the empty node and dummy_ubuf") Signed-off-by: Jens Axboe <axboe@kernel.dk>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.