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The test reproduces the scenario explained in the previous patch. Without the patch, the test triggers the warning and cannot see the last retransmitted packet. # ./ksft_runner.sh tcp_fastopen_server_reset-after-disconnect.pkt TAP version 13 1..2 [ 29.229250] ------------[ cut here ]------------ [ 29.231414] WARNING: CPU: 26 PID: 0 at net/ipv4/tcp_timer.c:542 tcp_retransmit_timer+0x32/0x9f0 ... tcp_fastopen_server_reset-after-disconnect.pkt:26: error handling packet: Timed out waiting for packet not ok 1 ipv4 tcp_fastopen_server_reset-after-disconnect.pkt:26: error handling packet: Timed out waiting for packet not ok 2 ipv6 # Totals: pass:0 fail:2 xfail:0 xpass:0 skip:0 error:0 Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Link: https://patch.msgid.link/20250915175800.118793-3-kuniyu@google.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.