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Xiubo Li
35b092d3b5
[ Upstream commit89d43d0551] When failing to allocate the sessions memory we should make sure the req1 and req2 and the sessions get put. And also in case the max_sessions decreased so when kreallocate the new memory some sessions maybe missed being put. And if the max_sessions is 0 krealloc will return ZERO_SIZE_PTR, which will lead to a distinct access fault. URL: https://tracker.ceph.com/issues/53819 Fixes:e1a4541ec0("ceph: flush the mdlog before waiting on unsafe reqs") Signed-off-by: Xiubo Li <xiubli@redhat.com> Reviewed-by: Venky Shankar <vshankar@redhat.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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 Restructured Text 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.