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[ Upstream commit9cedc58bdb] clang warns about a possible field overflow in a memcpy: In file included from fs/smb/server/smb_common.c:7: include/linux/fortify-string.h:583:4: error: call to '__write_overflow_field' declared with 'warning' attribute: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Werror,-Wattribute-warning] __write_overflow_field(p_size_field, size); It appears to interpret the "&out[baselen + 4]" as referring to a single byte of the character array, while the equivalen "out + baselen + 4" is seen as an offset into the array. I don't see that kind of warning elsewhere, so just go with the simple rework. Fixes:e2f34481b2("cifsd: add server-side procedures for SMB3") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.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.