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Kuniyuki Iwashima says: ==================== udp: Fix two integer overflows when sk->sk_rcvbuf is close to INT_MAX. I got a report that UDP mem usage in /proc/net/sockstat did not drop even after an application was terminated. The issue could happen if sk->sk_rmem_alloc wraps around due to a large sk->sk_rcvbuf, which was INT_MAX in our case. The patch 2 fixes the issue, and the patch 1 fixes yet another overflow I found while investigating the issue. v3: https://lore.kernel.org/20250327202722.63756-1-kuniyu@amazon.com v2: https://lore.kernel.org/20250325195826.52385-1-kuniyu@amazon.com v1: https://lore.kernel.org/20250323231016.74813-1-kuniyu@amazon.com ==================== Link: https://patch.msgid.link/20250401184501.67377-1-kuniyu@amazon.com Signed-off-by: Jakub Kicinski <kuba@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 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.