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67b7e1f241
As requested by Jessica I'm stepping in to help with modules maintenance. This is my first pull request to you. I've collected only two patches for modules for the 5.16-rc1 merge window. These patches are from Shuah Khan as she debugged some corner case error with modules. The error messages are improved for elf_validity_check(). While doing this work a corner case fix was spotted on validate_section_offset() due to a possible overflow bug on 64-bit. The impact of this fix is low given this just limits module section headers placed within the 32-bit boundary, and we obviously don't have insane module sizes. Even if a specially crafted module is constructed later checks would invalidate the module right away. I've let this sit through 0-day testing since October 15th with no issues found. Signed-off-by: Luis Chamberlain <mcgrof@kernel.org> -----BEGIN PGP SIGNATURE----- iQJGBAABCgAwFiEENnNq2KuOejlQLZofziMdCjCSiKcFAmGFrvcSHG1jZ3JvZkBr ZXJuZWwub3JnAAoJEM4jHQowkoinhFAP/1BBXuM/vevC1IdZaEU4M8pg07NOpkZt PYJc8CxWKTtEg5hrLJMqOexXGwvAg/nq28IFWvUKh3bGtEghPyrQu6+I4mXsjnjJ t9/AO+BOYU14DJGDAYEuReNsaAcyeRooHLriuUaNvhhaN9q+v+FRyBWNphmA6Tz7 VkCtmCNMFJZlhd9Cu4jOZpJe6CIe9gZ0czYfRshAl/3ZRSQjYaddtbYf1Cs8Vwah by4o2YyvctrRzeOj/Fy+kbqZw2St39nZ5fKYwijRn1ZwHRQo6NQqrlMeS8rI0LgG 1YwWgNWO1FjaPzyIFcAhk2bUF2TxEf5/eVpXn2qXHnmVZ55oBPP/O7Th0/5OK9gD utOMbO1nqBLBXUyX/1dO/UT36XcrqtUP0Y9VgjIvj9n8Y82RGYmBScH/TOU1f7A7 sH56sW9/3YvIOe8AShBHJ7IKqZXU0inIGasFYwKKm2pAOLtajaC9Sr5fqVbuyfNF J2+nXipVzjI0f9SGTqmE41jynFGln6nfd1pgOOiysg9ZqxieINB0J8l0OHe6fZz/ zU4TehXZHE9DApP8D+rVpP0ltwR2YWs2u0zRqHr/0GEWYH00JZu2ymDR13W7izSp KiiveBxhwBpewgV5cyua8TDyeKhn3mEJFNmijlaq4yq1P2oKeWTQRDRZjwUP8EZY s16oV+BW7Kp+ =Evek -----END PGP SIGNATURE----- Merge tag 'modules-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux Pull module updates from Luis Chamberlain: "As requested by Jessica I'm stepping in to help with modules maintenance. This is my first pull request to you. I've collected only two patches for modules for the 5.16-rc1 merge window. These patches are from Shuah Khan as she debugged some corner case error with modules. The error messages are improved for elf_validity_check(). While doing this work a corner case fix was spotted on validate_section_offset() due to a possible overflow bug on 64-bit. The impact of this fix is low given this just limits module section headers placed within the 32-bit boundary, and we obviously don't have insane module sizes. Even if a specially crafted module is constructed later checks would invalidate the module right away. I've let this sit through 0-day testing since October 15th with no issues found" * tag 'modules-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux: module: change to print useful messages from elf_validity_check() module: fix validate_section_offset() overflow bug on 64-bit |
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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 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.