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When ufs initializes without scmd->device->sector_size set, scsi_get_lba() will get a wrong shift number and trigger an ubsan error. The shift exponent 4294967286 is too large for the 64-bit type 'sector_t' (aka 'unsigned long long'). Call scsi_get_lba() only when opcode is READ_10/WRITE_10/UNMAP. Link: https://lore.kernel.org/r/20220307111752.10465-1-peter.wang@mediatek.com Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Peter Wang <peter.wang@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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.