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| Filename | Latest commit message | Latest commit date |
|---|---|---|
afff0d2321
Kernel crashes during fill_read_buffer when nvme_info sysfs file read. With multiple NVME targets, approx 40, nvme_info may grow larger than PAGE_SIZE bytes. snprintf(buf + len, PAGE_SIZE - len, ...) logic is flawed as PAGE_SIZE - len can be < 0 and is accepted by snprintf. This results in buffer overflow, and is detected with check from dev_attr_show and fill_read_buffer. Change to use scnprintf to a tmp array, before calling strlcat to ensure no buffer overflow over PAGE_SIZE bytes. Message "6314" created as a new message indicating when there is more nvme info, but is truncated to fit within PAGE_SIZE bytes. Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by: James Smart <james.smart@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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| README | ||
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.