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commit9127169922upstream. In the error exits in target_setup_session(), if a branch is taken to free_sess: transport_free_session() may call to target_free_cmd_counter() and then fall through to call target_free_cmd_counter() a second time. This can, and does, sometimes cause seg faults since the data field in cmd_cnt->refcnt has been freed in the first call. Fix this problem by simply returning after the call to transport_free_session(). The second call is redundant for those cases. Fixes:4edba7e4a8("scsi: target: Move cmd counter allocation") Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> Link: https://lore.kernel.org/r/20230613144259.12890-1-rpearsonhpe@gmail.com Reviewed-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.