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b079883841
Copying from a 144 byte structure arm_smccc_1_2_regs at an offset of 32
into an 112 byte struct ffa_send_direct_data2 causes a compile-time warning:
| In file included from drivers/firmware/arm_ffa/driver.c:25:
| In function 'fortify_memcpy_chk',
| inlined from 'ffa_msg_send_direct_req2' at drivers/firmware/arm_ffa/driver.c:504:3:
| include/linux/fortify-string.h:580:4: warning: call to '__read_overflow2_field'
| declared with 'warning' attribute: detected read beyond size of field
| (2nd parameter); maybe use struct_group()? [-Wattribute-warning]
| __read_overflow2_field(q_size_field, size);
Fix it by not passing a plain buffer to memcpy() to avoid the overflow
warning.
Fixes:
|
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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.